CN210088867U - Complete set of equipment for gasifier supporting hot water boiler - Google Patents

Abstract

The utility model discloses a complete set of equipment for a gasification furnace supporting a hot water boiler, comprising: a gasification furnace body, a gasification cavity is arranged in the gasification furnace body, a gas conduit is arranged on the outer side wall of the gasification furnace body, and a gas conduit is arranged on the outer side wall of the gasification furnace body. The intake end passes through the side wall of the gasification furnace body and communicates with the gasification chamber, so as to lead out the combustible gas produced by the gasification reaction in the gasification chamber. The gas duct is connected with an incineration stove that is used to incinerate the combustible gas in the gas duct and then discharge hot air to the outside. The hot air ejection end of the incineration stove is provided with a boiler device. The boiler device includes: a boiler body, and the water inlet of the boiler body is located at the The upper part of the boiler body, and the water outlet of the boiler body is located at the lower part of the boiler body. The boiler body is provided with a heat exchange mechanism for forming a hot air flow channel in the inner cavity of the boiler body to fully contact with water to achieve heat exchange. In the hot water boiler of the utility model, the water in the inner cavity of the boiler body is heated evenly, the thermal efficiency is significantly improved, and the thermal efficiency is increased by at least 10%.

Description

Complete set of equipment for gasifier supporting hot water boiler

technical field

The utility model relates to the field of garbage gasification, in particular, to a complete set of equipment for a gasifier supporting hot water boiler.

Background technique

The boiler is an energy conversion device. The energy input to the boiler is in the form of chemical energy, electrical energy, and heat energy of high-temperature flue gas. After the boiler is converted, steam, high-temperature water or organic heat carrier with certain heat energy is output to the outside. . It is mostly used in thermal power stations, ships, locomotives and industrial and mining enterprises. In the existing complete sets of waste treatment equipment, a boiler is often connected to the output end of the hot air flow generated after waste incineration, so as to use the heat in the hot air flow to heat the water in the boiler. The structure of the boiler in the prior art makes the heat in the hot air flow after heating the boiler still too high, and the boiler is not uniformly heated, and the thermal energy in the hot air flow is not fully utilized.

Utility model content

The utility model provides a complete set of equipment for a hot water boiler matched with a gasifier, so as to solve the technical problem of insufficient utilization of thermal energy in the hot air flow after the boiler is heated in the existing complete equipment for a hot water boiler matched with a gasifier.

The technical scheme adopted by the utility model is as follows:

A complete set of equipment for a gasification furnace supporting hot water boiler, comprising: a gasification furnace body used for supporting on a working ground, and a gasification furnace body for holding materials to be gasified for the materials to carry out gasification reaction is provided in the gasification furnace body The outer side wall of the gasification furnace body is provided with a gas conduit, and the gas inlet end of the gas conduit passes through the side wall of the gasification furnace body and communicates with the gasification cavity, so as to pass the combustible gas produced by the gasification reaction in the gasification cavity Exported to the outside; the gas duct is connected to an incineration stove that is used to incinerate the combustible gas in the gas duct and discharge hot air to the outside, and the hot air ejection end of the incineration stove is provided with a boiler device. The water inlet of the boiler body is located at the upper part of the boiler body, and the water outlet of the boiler body is located at the lower part of the boiler body; the boiler body is provided with a heat exchange mechanism for forming a hot air flow channel in the inner cavity of the boiler body to fully contact with water to achieve heat exchange.

Further, the boiler body includes a first boiler body arranged in sequence from bottom to top for making the water in the inner cavity directly exchange heat with the hot air flow to heat the water in the inner cavity, and a first boiler body for heating the water in the inner cavity. The second boiler body that realizes heat exchange with the waste heat flow output from the first boiler body to heat the water in the inner cavity; the water inlet of the boiler body is located on the second boiler body, the water outlet of the boiler body is located on the first boiler body, and the The water outlet end of the second boiler body is connected to the water inlet end of the first boiler body; the heat exchange mechanism includes a first heat exchanger arranged in the first boiler body for hot gas flow and passing through the first boiler body, and a second heat exchanger arranged in the second boiler body. The boiler body is used for the waste heat gas flow to circulate and pass through the second heat exchanger of the second boiler body.

Further, the first heat exchanger includes a first heating tube and a first heat absorption tube; the first heating tube is arranged on the periphery and is arranged at intervals along the radial and/or circumferential direction of the first boiler body, and the first heat absorption tube It is arranged in the middle and is spaced along the radial and/or circumferential direction of the first boiler body; the second heat exchanger includes a second heating pipe and a second heat absorption pipe; The two boiler bodies are arranged at intervals in the radial and/or circumferential directions; the second heating tubes are arranged in the middle and are arranged at intervals along the radial and/or circumferential directions of the second boiler body.

Further, the radial dimension of the first heat absorbing pipe and/or the second heat absorbing pipe gradually decreases or gradually decreases from the airflow inlet at the bottom end to the airflow outlet at the top end.

Further, the water inlet end of the first boiler body is arranged on the upper part of the first boiler body and communicates with the water outlet end of the second boiler body; the water outlet is arranged on the lower end of the side wall surface of the first boiler body, and the water inlet end and the water outlet are located at the Both sides of the side wall surface of the first boiler body; the first boiler body and/or the second boiler body are also provided with steam ports for exporting steam.

Further, the incineration stove includes a stove body connected with the gas conduit, and the stove body is provided with an incineration cavity with two ends running through, the air inlet end of the incineration cavity is communicated with the gas conduit, and the fire-breathing end of the incineration cavity is communicated with the atmosphere; The gas end is provided with an ignition and combustion-assisting device, which is used to supply gas to the incineration cavity to assist the combustion of the combustible gas in the incineration cavity; at least one circle of air distribution holes is arranged on the annular wall of the incineration cavity, and the air distribution holes are connected to the combustion chamber. The air distribution device is connected to the air distribution device for air distribution to distribute the air distributed by the air distribution device into the incineration chamber, so that the combustible gas and the gas and the air can be fully mixed to fully burn, and the air distribution device is arranged outside the stove.

Further, an annular gas guide ring groove is arranged on the side wall of the gasification chamber, and the gas guide ring groove is communicated with the gasification chamber, so that the combustible gas generated by the gasification reaction of the material in the gasification chamber enters the gas guide ring groove. Convergence; the inlet end of the gas conduit is communicated with the gas guide ring groove, so as to introduce the confluent combustible gas in the gas guide ring groove into the incinerator for incineration.

Further, the ash discharge end of the gasification chamber is provided with a horizontally arranged and annular annular support plate; the complete set of equipment for the gasification furnace supporting the hot water boiler also includes a gas distribution plate slidably arranged on the lower surface of the annular support plate, which distributes the gas. The pan is used to support the materials in the gasification chamber and make the ash and slag produced by the combustion of the materials pass through continuously and then fall into the ash storage box below; The air distribution plate is communicated with the induced draft fan, so that the air enters the air distribution plate and then is evenly and dispersedly distributed into the gasification chamber under the action of the air distribution plate.

Further, the complete set of equipment for the gasifier supporting hot water boiler also includes an air distribution bucket, which is used to support the materials in the gasification chamber; the air distribution bucket has a conical outer wall surface, and the air introduced by the induced draft fan passes through the air distribution bucket. The side wall of the bucket enters into the inner cavity of the air distribution bucket, so that the air is evenly distributed to the inner cavity of the air distribution bucket and the upper part of the inner cavity, thereby forming a spatial three-dimensional air distribution.

Further, the complete set of hot water boiler equipment for the gasification furnace also includes a water dripper connected to the outer side wall of the gasification furnace body. So that the water is heated and evaporated into water vapor, and then the water vapor passes through the side wall of the air distribution bucket and enters the inner cavity of the air distribution bucket under the action of the air, so as to evenly distribute the air to the inner cavity of the air distribution bucket and the upper part of the inner cavity.

The utility model has the following beneficial effects:

In the hot water boiler of the utility model, a gas stove is arranged at the bottom of the boiler body, and the gas stove burns to generate hot air, and the hot air exchanges heat with the water in the boiler body to heat the water in the inner cavity of the boiler body and reduce the temperature of the exhaust gas. The utilization rate of heat energy is improved, and the overall structure of the hot water boiler is simple, and it is easy to assemble and transport. The boiler body includes a heat exchange mechanism that penetrates the boiler body. On the one hand, the heat exchange mechanism penetrates the boiler body, so that the hot air flow of the heat exchange mechanism is fully contacted with the water, and the water is heated evenly, avoiding the existing technology only heating at the bottom of the boiler, causing local heating , the defect of large water temperature difference; on the other hand, the boiler body performs heat energy recovery and conversion through the heat exchange mechanism, which prolongs the heat conversion time and further improves the thermal efficiency. Compared with the existing boiler, the hot water boiler is beneficial to prolong the hot air stroke, so that the water in the inner cavity of the boiler body is heated evenly, and the thermal efficiency is significantly improved. Compared with the existing hot water boiler, the thermal efficiency is increased by at least 10%.

In addition to the objects, features and advantages described above, the present invention has other objects, features and advantages. The present utility model will be described in further detail below with reference to the drawings.

Description of drawings

The accompanying drawings constituting a part of the present application are used to provide further understanding of the present invention, and the schematic embodiments of the present invention and descriptions thereof are used to explain the present invention and do not constitute an improper limitation of the present invention. In the attached image:

FIG. 1 is a schematic cross-sectional front view of a boiler device according to a preferred embodiment of the present utility model;

Fig. 2 is the spatial three-dimensional structure schematic diagram of the boiler device in Fig. 1;

Fig. 3 is the sectional schematic diagram of the second boiler body in Fig. 1;

Figure 4 is a schematic cross-sectional view of the first boiler body in Figure 1;

Figure 5 is a schematic front view of the structure of a complete set of equipment for a gasifier supporting a hot water boiler according to a preferred embodiment of the present utility model;

Fig. 6 is the front view structure schematic diagram of the first embodiment of the incinerator in Fig. 5;

Fig. 7 is the front view structure schematic diagram of the second embodiment of the incinerator in Fig. 5;

Fig. 8 is the front view structure schematic diagram of the third embodiment of the incinerator in Fig. 5;

Fig. 9 is the front view structure schematic diagram of the fourth embodiment of the incinerator in Fig. 5;

Fig. 10 is a partial structural schematic diagram of the gasification furnace body in Fig. 5;

Fig. 11 is the split structure schematic diagram of Fig. 10;

Fig. 12 is the top-view structure schematic diagram of the gas distribution plate in Fig. 5;

FIG. 13 is a schematic diagram of the spatial structure of the gas distribution hopper in FIG. 5 .

illustration

10, gasification furnace body; 101, annular support plate; 102, gas distribution chamber; 103, gasification chamber; 104, gas guide ring groove; 105, air inlet; 11, gas conduit; 12, installation ring; 13, Air guide ring cylinder; 130, air guide sheet; 15, sealing cover; 16, feet; 20, air distribution bucket; 201, second air distribution hole; 30, induced draft fan; 40, air distribution plate; 401, first Air distribution hole; 41, air distribution pipe network; 410, air distribution pipe; 42, installation pipe; 43, air inlet pipe; 50, ash storage box; 60, water dripper; 61, bucket; Tube; 80, Incineration stove; 81, Stove body; 810, Incineration chamber; 811, Air distribution hole; 812, Air distribution chamber; 82, Ignition and combustion aid device; 821, Gas distribution head; 822, Air distribution chassis; 823, Air distribution pipe; 824, first switch; 83, air distribution device; 831, air supply pipe; 832, air distribution fan; 833, second switch; 84, air distribution pipe; 85, fire pressure plate; 86, stove bottom; 87, fire baffle; 88, ignition hole; 90, boiler device; 91, boiler body; 911, first boiler body; 912, second boiler body; 921, first heating pipe; 922, first heat absorption pipe; 931, the second heating pipe; 932, the second heat absorption pipe; 94, the boiler frame; 95, the exhaust pipe.

Detailed ways

The embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but the present invention can be implemented in many different ways defined and covered by the claims.

1, 2 and 5, a preferred embodiment of the present invention provides a complete set of equipment for a gasifier supporting a hot water boiler, including: a gasifier body 10 for supporting on the working ground, a gasifier The body 10 is provided with a gasification chamber 103 for holding the material to be gasified for the gasification reaction of the material, and a gas conduit 11 is arranged on the outer side wall of the gasification furnace body 10, and the intake end of the gas conduit 11 passes through the gas The side wall of the furnace body 10 is then communicated with the gasification chamber 103 so as to lead out the combustible gas produced by the gasification reaction in the gasification chamber 103 to the outside. The gas conduit 11 is connected with an incineration stove 80 for incinerating the combustible gas in the gas conduit 11 and discharging hot air to the outside, and a boiler device 90 is provided at the hot air ejection end of the incineration stove 80. The boiler device 90 includes: a boiler body 91 , the water inlet of the boiler body 91 is located at the upper part of the boiler body 91 , and the water outlet of the boiler body 91 is located at the lower part of the boiler body 91 . The boiler body 91 is provided with a heat exchange mechanism for forming a hot air flow channel in the inner cavity of the boiler body 91 to fully contact with water to achieve heat exchange.

In the hot water boiler of the present invention, the bottom of the boiler body 91 is provided with a gas stove, the gas stove is burned to generate hot air, and the hot air exchanges heat with the water in the boiler body 91 to heat the water in the inner cavity of the boiler body 91 and reduce the exhaust gas. It can improve the utilization rate of heat energy, and the overall structure of the hot water boiler is simple, easy to assemble and transport. The boiler body 91 includes a heat exchange mechanism that penetrates through the boiler body. On the one hand, the heat exchange mechanism penetrates the boiler body, so that the hot air flow of the heat exchange mechanism is fully contacted with the water, and the water is heated evenly, avoiding the prior art only heating at the bottom of the boiler, causing local On the other hand, the boiler body 91 jointly performs heat energy recovery and conversion through the heat exchange mechanism, which prolongs the heat conversion time and further improves the thermal efficiency. Compared with the existing boiler, the hot water boiler is beneficial to prolong the hot air stroke, so that the water in the inner cavity of the boiler body 91 is heated evenly, and the thermal efficiency is significantly improved. Compared with the existing hot water boiler, the thermal efficiency is increased by at least 10%.

Optionally, as shown in FIG. 1 and FIG. 2 , the boiler body 91 includes a first boiler that is sequentially arranged from bottom to top and is used to directly exchange heat between the water in the inner cavity and the hot air flow to heat the water in the inner cavity. A body 911, and a second boiler body 912 for exchanging heat between the water in the inner cavity and the waste heat gas flow output by the first boiler body 911 to heat the water in the inner cavity. The water inlet of the boiler body 91 is on the second boiler body 912 , the water outlet of the boiler body 91 is on the first boiler body 911 , and the water outlet end of the second boiler body 912 is connected to the water inlet end of the first boiler body 911 . The heat exchange mechanism includes a first heat exchanger arranged in the first boiler body 911 for the flow of hot air and passing through the first boiler body 911, and a first heat exchanger arranged in the second boiler body 912 for the flow of waste heat and passing through the second boiler. The second heat exchanger of body 912.

In the boiler device 90 of the present invention, the boiler body 91 includes a first boiler body 911 and a second boiler body 912 , a gas stove is provided at the bottom of the boiler body 91 , and the gas stove is burned to generate hot air, and the hot air passes through the first boiler body 911 At the same time, heat exchange is performed with the water in the first boiler body 911 to heat the water in the inner cavity of the first boiler body 911, and the waste heat flow outputted through the first boiler body 911 passes through the inner cavity of the second boiler body 912 again. And conduct heat exchange with the water in the second boiler body 912 to heat the water in the inner cavity of the second boiler body 912, use the waste heat to heat the water in the second boiler body 912, greatly reduce the temperature of the exhaust gas, and improve the utilization of thermal energy. Rate. The first boiler body 911 includes a first heat exchanger, and the second boiler body 912 includes a second heat exchanger. On the one hand, the first heat exchanger tube passes through the first boiler body 911, and the second heat exchanger passes through the second heat exchanger. The boiler body 912 makes the hot air flow of the first heat exchanger and the second heat exchanger fully contact with the water, and the water is heated evenly, avoiding the prior art that only the bottom of the boiler is heated, resulting in the defect of local heating and large difference in water temperature; On the one hand, the two boiler bodies jointly perform heat energy recovery and conversion through the first heat exchanger and the second heat exchanger, which prolongs the heat conversion time and further improves the thermal efficiency. The boiler device 90 adopts a double-layer structure, which is beneficial to prolong the hot air flow and improve the thermal efficiency. Compared with the single-layer hot water boiler, the thermal efficiency is increased by at least 20%.

As shown in FIG. 3 and FIG. 4 , in this embodiment, the first heat exchanger includes a first heating tube 921 and a first heat absorbing tube 922 ; the first heating tube 921 is arranged on the periphery and along the diameter of the first boiler body 911 The first heat absorbing tubes 922 are arranged in the middle and are arranged at intervals along the radial and/or circumferential directions of the first boiler body 911; the second heat exchanger includes the second heating tubes 931 and The second heat absorbing pipes 932; the second heat absorbing pipes 932 are arranged at the periphery, and are arranged at intervals along the radial and/or circumferential directions of the second boiler body 912; the second heating pipes 931 are arranged in the middle and along the second boiler body 912 912 are radially and/or circumferentially spaced. The above-mentioned first heat exchanger includes a first heating tube 921 and a first heat absorption tube 922, and the second heat exchanger includes a second heating tube 931 and a second heat absorption tube 932, so that the inside of the first boiler body 911 is connected to the second boiler. The distribution of the heating tubes and the heat absorption tubes in the body 912 is opposite, which has the function of adjusting the hot air flow path, increasing the flow of the hot air flow, delaying the rate of the hot air passing through the heating tubes and the heat absorption tubes, that is, prolonging the heat conversion time and further improving the heat recovery. efficiency. The lengths of the second heating pipe 931 and the second heat absorbing pipe 932 are smaller than the lengths of the first heating pipe 921 and the first heat absorbing pipe 922, which prolongs the thermal conversion time of thermal energy in the first boiler body 911 and improves the thermal efficiency.

As shown in FIG. 4 , in this embodiment, a plurality of first heating tubes 921 are arranged on concentric rings at intervals in the circumferential direction to form a layer arrangement, the first heating tubes 921 are arranged at least one layer, and the first heat absorbing tubes The 922 are arranged at intervals on the concentric rings along the circumferential direction to form a layer arrangement, and at least one layer of the first heat absorbing pipes 922 is arranged. The bottom of the first boiler body 911 is closer to the incinerator 80, and there is a lot of hot air flow. The first heat absorbing pipe 922 is distributed in the middle, and the first heating pipe 921 surrounds the first heat absorbing pipe 922. The heat pipe 922 fully exerts the heat absorption function, and increases the absorption heat of infrared rays, prolongs the heat transfer time, and improves the thermal efficiency.

As shown in FIG. 3 , in this embodiment, a plurality of second heating tubes 931 are arranged on concentric rings at intervals in the circumferential direction to form a layer arrangement, the second heating tubes 931 are arranged at least one layer, and the second heat absorbing tubes are arranged in one layer. The 932 are arranged at intervals on the concentric rings along the circumferential direction to form a layer arrangement, and the second heat absorbing pipes 932 are arranged at least one layer. The second heating pipes 931 in the second boiler body 912 are distributed in the middle, which is beneficial for the water to fully absorb the waste heat airflow, transfer heat energy to the water to the greatest extent, and reduce the temperature of the exhaust gas.

In this embodiment, the radial dimension of the first heat absorbing pipe 922 and/or the second heat absorbing pipe 932 gradually decreases or gradually decreases from the airflow inlet at the bottom end to the airflow outlet at the top end. The diameter of the heating pipe does not change, and when the hot air passes through, the absorbed heat is transferred to the water in the boiler device 90 . The radial size of the second heat absorbing pipe 932 and/or the first heat absorbing pipe 922 decreases from the bottom airflow inlet to the top airflow outlet. On the one hand, the flow rate of the hot airflow can be slowed down, and heat exchange with water can be fully performed to improve thermal efficiency. ; On the other hand, the heat of infrared absorption can be increased. Preferably, the size of the airflow outlet at the top end of the second heat absorption pipe 932 and/or the first heat absorption pipe 922 is reduced to 1/10˜1/5 of the size of the airflow inlet at the bottom end. It is more conducive to improve the thermal effect. Preferably, the second heat absorption pipe 932 and the first heat absorption pipe 922 are radiation heat absorption pipes. Preferably, at least one of the first heat absorption pipe 922, the second heat absorption pipe 932, the second heat absorption pipe 932 or the first heat absorption pipe 922 adopts a straight pipe, a corrugated pipe, a threaded pipe, and a helical pipe arranged in a spiral shape. , U-shaped tube, T-shaped tube to increase the contact area and increase the residence time of hot air.

In this embodiment, the gap between the incinerator 80 and the bottom of the boiler body 91 is greater than 150 mm, which also makes the hot air entering the first boiler body 911 evenly distributed.

As shown in FIG. 1 and FIG. 2 , in this embodiment, a cavity for air flow is provided between the second boiler body 912 and the first boiler body 911 . The gap of the cavity is greater than 100mm. In the cavity between the first boiler body 911 and the second boiler body 912, the waste heat flow is dispersed in the cavity and enters the second boiler body 912 evenly, so that the cold water in the second boiler body 912 is heated evenly. The first boiler body 911 and the second boiler body 912 are respectively provided with warning lines, which are used to prevent the whole boiler body from being completely filled with water, and the water vapor cannot be discharged, causing danger.

In this embodiment, the water inlet is provided on the upper part of the second boiler body 912, and the water inlet is provided with an inlet valve for controlling the amount of water inflow. The water outlet is arranged at the lower part of the second boiler body 912 . The water inlet is arranged at the upper end of the side wall of the second boiler body 912 , and the water inlet is provided with an inlet valve for controlling the amount of water entering; the water outlet is arranged at the lower end of the other side of the side wall of the second boiler body 912 . A cold water box can be used at the upper end, and the cold water enters through the water inlet at the upper end of the second boiler body 912, and exchanges heat with the water through the second heating pipe 931 and the second heat absorption pipe 932, and the water is discharged from the bottom, making full use of thermal convection. The effect of increasing the heat absorption of cold water to form warm water. The inlet valve and the water outlet of the second boiler body 912 can be opened at the same time, so that cold water is always introduced into the second boiler body 912 , and hot water is released to continuously enter the first boiler body 911 .

In this embodiment, the water inlet end of the first boiler body 911 is disposed on the upper part of the first boiler body 911 and communicates with the water outlet end of the second boiler body 912 . The water outlet is arranged at the lower end of the side wall surface of the first boiler body 911 , and the water inlet end and the water outlet are located on both sides of the side wall surface of the first boiler body 911 . The first boiler body 911 and/or the second boiler body 912 are also provided with a steam port for exporting steam. The water inlet end is arranged on the upper end of the side wall of the first boiler body 911 and cooperates with the water outlet end; the water outlet is arranged at the lower end of the side wall surface of the first boiler body 911, and the water inlet end and the water outlet are located on the side wall surface of the first boiler body 911 The above-mentioned water inlet ends on both sides of the two sides adopt a warm water box for receiving warm water discharged from the water outlet, and communicate with the warm water box to introduce warm water into the warm water pipe inside the first boiler body 911, and the warm water pipe is located in the middle of the side wall surface of the first boiler body 911. The warm water box on the first boiler body 911 receives the warm water formed by the second boiler body 912, and further heats the warm water. The water outlet is arranged at the bottom of the first boiler body 911, making full use of the effect of thermal convection, and will generate steam from the upper end of the steam. Tube discharge. The steam pipe is arranged on the upper end of the side wall surface of the first boiler body 911 on the same side as the water outlet.

In this embodiment, the outer shell of the boiler body 91 is provided with an insulating interlayer. The above-mentioned heat insulating interlayer avoids hot water, warm water and hot air flow from the outside, and has the functions of keeping warm and reducing heat loss. Preferably, the thickness of the insulating interlayer is greater than 70 mm. The thermal insulation interlayer can adopt various forms such as air thermal insulation layer, cooling oil thermal insulation layer, thermal insulation cotton, etc., which can effectively avoid the loss of heat energy.

Specific embodiments of the present invention

The boiler device 90 includes the boiler body 91, the incinerator 80, the boiler frame 94, the exhaust pipe 95, the boiler device 90 is 1.60m high, and the boiler frame 94 is 0.80m high;

The boiler body 91 includes a first boiler body 911 and a second boiler body 912, and the cavity gap between the first boiler body 911 and the second boiler body 912 is 110 mm.

The water inlet of the boiler body 91 is located on the second boiler body 912, the water outlet of the boiler body 91 is located on the first boiler body 911, and the water outlet end of the second boiler body 912 is connected to the water inlet end of the first boiler body 911;

The upper and lower bottom heating plates of the first boiler body 911 are made of 6mm steel plate, the boiler inner shell φ960 is made of 4mm steel plate, the boiler outer shell φ1100 is made of 3mm steel plate, and the boiler inner shell and the boiler outer shell form an insulating interlayer (air layer) Thickness 70mm; the first heating tube 921 of the first boiler body 911 has a diameter of φ57×3.5, a height of 500mm, 24 pieces, which are distributed on a circle of φ800 and φ700; 16 first heat-absorbing tubes 922 have a diameter of φ57×3.5 and the top outlet size Reduced to φ15, height 500mm, distributed on circles with diameters of φ400 and φ200, there is a φ57×3.5 first heat absorption pipe 922 in the middle of the first boiler body 911, and the top outlet size is reduced to φ15; the water outlet is located in the first boiler At the lower end of the body 911, the warm water box communicates with the warm water pipe at the upper end of the first boiler body 911, the water outlet and the warm water box are located on both sides of the first boiler body 911, the steam pipe is located at the upper end of the first boiler body 911, and The steam pipe is on the same side as the water outlet; the warm water box receives the warm water discharged from the water outlet of the second boiler body 912, and enters the first boiler body 911 through the warm water pipe to heat the warm water to form hot water, the hot water flows out from the water outlet, and the steam flows from the steam pipe discharge;

The upper and lower bottom heating plates of the second boiler body 912 are made of 6mm steel plate, the boiler inner shell φ960 is made of 4mm steel plate, the boiler outer shell φ1100 is made of 3mm steel plate, the boiler inner shell and the boiler outer shell form an insulating interlayer with a thickness of 70mm; The second heat-absorbing tubes 932 of the second boiler body 912 have a diameter of φ57×3.5, 24 pipes, and a height of 850 mm, which are distributed on a circle with a diameter of φ800 and φ700. The size of the outlet at the top of the second heat-absorbing tube 932 is reduced to φ15; The diameter of the tubes 111 is φ57×3.5, the height is 850mm, and 16 pipes are distributed on a circle with a diameter of φ400 and φ200; the cold water box and the inlet valve are located at the upper end of one side of the side wall of the second boiler body 912 and the lower end of the other side The part is provided with a water outlet, and the cold water enters the second boiler body 912 through the cold water box and the inlet valve, and is heated to form warm water and discharged through the water outlet.

Optionally, as shown in FIG. 5 , the incineration stove 80 includes a stove body 81 connected to the gas conduit 11 . The stove body 81 is provided with an incineration cavity 810 with two ends passing through, and the intake end of the incineration cavity 810 is communicated with the gas conduit 11 . , the fire-breathing end of the incineration chamber 810 is communicated with the atmosphere. The gas inlet end of the incineration chamber 810 is provided with an ignition and combustion aid device 82 , and the ignition and combustion aid device 82 is used to supply gas to the incineration chamber 810 to assist the combustion of the combustible gas in the incineration chamber 810 . The annular wall of the incineration cavity 810 is provided with at least one circle of air distribution holes 811, and the air distribution holes 811 are connected with the air distribution device 83 for air distribution, so as to distribute the air distributed by the air distribution device 83 into the incineration cavity 810, so as to distributing the air in the incineration cavity 810. The air distribution device 83 is arranged outside the cooker 81 to fully mix the combustible gas and the gas with the air to fully burn.

In the complete set of equipment for the gasification furnace supporting hot water boiler of the present invention, a gas conduit 11 is provided on the outer side wall of the gasification furnace body 10, and the gas inlet end of the gas conduit 11 communicates with the gasification chamber 103 to connect the inside of the gasification chamber 103. The combustible gas generated by the gasification reaction is led out, and the gas conduit 11 is connected with an incinerator 80 for incinerating the combustible gas in the gas conduit 11 and then discharging it into the atmosphere. There is an ignition aid device 82, and the ignition aid device 82 is used to supply gas to the incineration chamber 810 to assist the combustion of the combustible gas in the incineration chamber 810, and at least one circle of air distribution holes 811 is provided on the ring wall of the incineration chamber 810, and the The air hole 811 is connected with the air distribution device 83 for air distribution, so that the air distributed by the air distribution device 83 is distributed into the incineration chamber 810, so that the combustible gas and the gas and the air are fully mixed to fully burn, so that the combustible gas is incinerated. When burning in the cavity 810, not only is the ignition combustion aid device 82 distributed gas to the combustible gas to assist the combustion of the combustible gas, but at the same time, air is distributed to the combustible gas and the gas through the air distribution device 83 and the air distribution hole 811 to accelerate the combustion in the stove 81. It can not only improve the incineration efficiency, but also fully burn the combustible gas to prevent the combustion of the combustible gas from being insufficiently burned to produce black smoke, thereby reducing the impact of waste incineration on the environment and human health. health effects, in order to comply with the relevant national regulations on environmental protection.

Optionally, as shown in FIGS. 6-9 , the ignition aid 82 includes a gas distribution head 821 or a gas distribution chassis 822 for distributing gas to the incineration cavity 810 , and the gas distribution head 821 or the gas distribution chassis 822 is located in the incineration cavity 810 . on the intake side. The gas distribution head 821 or the gas distribution chassis 822 is communicated with a distribution pipe 823 for introducing the gas into the gas distribution head 821 or the gas distribution chassis 822. The distribution pipe 823 passes through the cooker body 81 and then extends outward to make the air intake of the distribution pipe 823. The end is connected to a gas feeder (not shown) for supplying gas. A first switch 824 for controlling the on-off of the distribution pipe 823 is provided in the pipeline of the distribution pipe 823 outside the cooktop 81 . In the embodiment of the present invention, the top of the gas distribution head 821 is provided with a circle of gas distribution ports, so as to evenly distribute the gas into the incineration chamber 810 . Similarly, the top of the gas distribution chassis 822 is provided with multiple circles of gas distribution ports in the radial direction, so that the gas is evenly distributed into the incineration chamber 810 . Further, the top of the gas distribution chassis 822 is radially provided with two circles of air distribution ports, and the two circles of air distribution ports are arranged in a staggered position in the circumferential direction, so that the gas distributed into the incineration chamber 810 is uniform, which is conducive to ignition and combustion.

Optionally, as shown in FIGS. 6-9 , the stove body 81 has an inner ring wall of the stove and an outer ring wall of the stove located outside the inner ring wall of the stove, and an annular air distribution cavity is formed between the inner ring wall of the stove and the outer ring wall of the stove. 812. The air distribution hole 811 is arranged on the inner ring wall of the stove and communicates with the air distribution cavity 812 . The air distribution device 83 includes an air supply duct 831 that communicates with the air distribution cavity 812 to introduce the air into the air distribution cavity 812. The air inlet end of the air supply duct 831 is connected with an air distribution fan 832 for air distribution. A second switch 833 for controlling the on-off of the air supply pipe 831 is provided in the pipeline.

Preferably, the annular wall of the incineration chamber 810 is further provided with an air distribution pipe 84 communicating with the air distribution hole 811 , the central axis of the air distribution pipe 84 is perpendicular to the busbar of the annular wall of the incineration chamber 810, and the central axis of the air distribution pipe 84 There is an included angle of 30°˜60° with the tangent of the connection point between the air distribution pipe 84 and the incineration chamber 810 along the circumferential direction. This arrangement of the air distribution pipes 84 helps to form an annular swirling air flow, which further makes the fuel gas and combustible gas mix well with the air. In addition, when the combustible gas and the gas are fully combusted in the incineration chamber 810, a strong pressure difference can be generated, so that the combustible gas in the gasification chamber 103 quickly flows to the incinerator 80 through the gas conduit 11, so as to further fully combust the combustible gas. In the specific embodiment of the present invention, the annular wall of the incineration cavity 810 is provided with two upper and lower circles of air distribution holes 811 , the upper and lower two circles of air distribution holes 811 are arranged at intervals along the height direction of the stove body 81 , and the two circles of air distribution holes 811 are arranged in a staggered position. , so that the wind enters the incineration cavity 810 from the circumferential direction to accelerate the air flow in the incineration cavity 810, so that the gas and combustible gas in the incineration cavity 810 are fully mixed with the air and fully burned.

Optionally, as shown in FIGS. 6-9 , the incinerator 80 further includes a fire pressing plate 85 for delaying the emergence of combustion flue gas and enhancing oxygen-supplied combustion, and the fire pressing plate 85 is connected to the annular wall of the fire end of the incineration cavity 810 superior. A fire pressure plate 85 is arranged on the fire end of the incineration chamber 810, on the one hand, it can delay the emergence of the flue gas and enhance the combustion, and further reduce the outflow of the flue gas; In the case of a small amount, due to the high temperature of the pressure fire plate 85, the combustible gas can re-ignite the incinerator after encountering the high temperature pressure fire plate 85 without re-ignition, thereby improving the gasification efficiency and the combustible gas. Burn quality while reducing operator workload.

In the specific embodiment of the present utility model, as shown in FIG. 7 , the number of the fire pressing plate 85 is one, the middle part of the fire pressing plate 85 is solid, and the outer periphery of the fire pressing plate 85 is radially provided with multiple circles of fire holes, The multi-circle fire holes are arranged in a dislocation along the circumferential direction. On the one hand, the fire pressing plate 85 is used to delay the emergence of flue gas and enhance the combustion. On the other hand, when the incinerator is extinguished during the feeding process, because the temperature of the fire pressing plate 85 is very high, the combustible gas will meet the fire pressing plate 85. The incinerator 80 can be re-ignited without re-ignition. In addition, the middle part of the ignition plate 85 is solid, so that the gas or the mixed airflow of combustible gas and air can quickly flow to the periphery of the ignition plate 85 and fully burn. In other embodiments of the present utility model, as shown in FIGS. 2 and 4 , the number of fire pressing plates 85 is two, and the two fire pressing plates 85 are arranged at intervals along the axis direction of the stove body 81 . The structure of the inner pressure plate 85 of the gas distribution chassis is the same as that of the pressure plate in FIG. 3 , and the outer pressure plate 85 is provided with a plurality of fire holes evenly spaced to further delay the flow from the inner pressure plate 85 . The outgoing smoke is fully burnt, and can disperse the flames from the fire port of the flame-throwing end.

Optionally, as shown in FIG. 6 , in the first embodiment of the incineration stove 80 , the incineration cavity 810 is a cavity extending along the axis direction of the stove body 81 . The incineration chamber 810 is arranged perpendicular to the central axis of the gas conduit 11 for vertical injection. Further, the stove body 81 is further provided with an ignition hole located above the ignition aid device 82, and the ignition hole is connected with an ignition device. The ignition device is an electronic ignition rod, and the electronic ignition rod is inserted into the incineration cavity 810 through the ignition hole to ignite the gas in the incineration cavity 810 .

Optionally, as shown in FIG. 7 , in the second embodiment of the incineration stove 80 , the incineration cavity 810 is a cavity extending along the axis direction of the stove body 81 . The incineration chamber 810 is arranged along the central axis of the gas conduit 11 for lateral fire injection. Further, the stove body 81 is further provided with an ignition hole located above the ignition aid device 82, and the ignition hole is connected with an ignition device. The ignition device is an electronic ignition rod, and the electronic ignition rod is inserted into the incineration cavity 810 through the ignition hole to ignite the gas in the incineration cavity 810 . Further, a fire blocking disk 87 is provided on the fire side of the fire blocking disk 85, the inner wall surface of the fire blocking disk 87 is stepped, and the inner diameter size of the fire blocking disk 87 at one end away from the fire blocking disk 85 is smaller than the internal diameter size of the fire blocking disk 85, Prevent flames from escaping around. The end face of the fire blocking plate 87 away from the fire pressing plate 85 is also provided with a fire blocking door.

Optionally, as shown in FIG. 8 , in the third embodiment of the incinerator 80 , the incinerator 80 further includes a stove bottom 86 for supporting the stove body 81 . The stove bottom 86 is annular and communicates with the gas conduit 11 vertically. The stove body 81 and the stove bottom 86 are detachably connected, and the inner cavity of the stove body 81 and the inner cavity of the stove bottom 86 communicate with each other to form an incineration cavity 810 . The incineration chamber 810 is arranged perpendicular to the central axis of the gas conduit 11 for vertical injection. In actual use, the incineration stove 80 is at high temperature for a long time and needs to be replaced frequently. When the stove bottom 86 is arranged below the stove body 81 , only the stove body 81 needs to be replaced, which saves gasification costs.

Optionally, as shown in FIG. 9 , in the fourth embodiment of the incinerator 80 , the incinerator 80 further includes a stove bottom 86 for supporting the stove body 81 . The stove bottom 86 is annular and communicates with the gas conduit 11 vertically. The stove body 81 and the stove bottom 86 are detachably connected, and the inner cavity of the stove body 81 and the inner cavity of the stove bottom 86 communicate with each other to form an incineration cavity 810 . The air inlet end of the incineration chamber 810 is arranged perpendicular to the central axis of the gas conduit 11 , and the firing end of the incineration chamber 810 is arranged along the axial direction of the gas conduit 11 for lateral firing. In the incineration stove 80 shown in FIG. 5 , the side wall of the stove body 81 opposite to the gas distribution chassis 822 has the function of pressing fire, so the fire pressing plate 85 may not be provided in the stove body 81 . Further, an ignition hole 88 is further provided on the cooktop 86 above the ignition and combustion aid device 82, and the ignition hole 88 is connected with an ignition device. The ignition device is an electronic ignition rod, and the electronic ignition rod is inserted into the incineration cavity 810 through the ignition hole 88 to ignite the gas in the incineration cavity 810 . In actual use, the incineration stove 80 is at high temperature for a long time and needs to be replaced frequently. When the stove bottom 86 is arranged below the stove body 81 , only the stove body 81 needs to be replaced, which saves gasification costs.

It can be understood that, in the actual use process, the direction of the fire outlet of the fire end of the stove body 81 is selected as required, and the installation position of the incineration stove 80 is selected as required.

Optionally, as shown in FIG. 5 , an annular gas guide ring groove 104 is provided on the side wall of the gasification chamber 103 , and the gas guide ring groove 104 communicates with the gasification chamber 103 , so that the material gas in the gasification chamber 103 The combustible gas produced by the chemical reaction enters the gas guide ring groove 104 for confluence. The intake end of the gas conduit 11 is communicated with the gas guide ring groove 104, so that the combustible gas converging in the gas guide ring groove 104 is introduced into the incinerator 80 for incineration. In the complete set of equipment for the gasification furnace matching the hot water boiler of the present invention, the inner side wall of the gasification chamber 103 is provided with an air guide ring groove 104, and the air guide ring groove 104 is annular and communicates with the gasification chamber 103, so the air guide The place where the annular groove 104 communicates with the gasification cavity 103 is an annular surface. When the material in the gasification cavity 103 undergoes gasification reaction to generate combustible gas, the combustible gas can first disperse through the annular surface at the communication between the gasification cavity 103 and the gas guide annular groove 104 The gas enters the gas guide ring groove 104 for confluence, and then is led out of the gasification furnace body 10 through the gas conduit 11 communicating with the gas guide ring groove 104 . Compared with the prior art, the combustible gas takes the guide port as a "point", and the stroke of the combustible gas in the gasification chamber 103 is a "line". The introduction of the combustible gas into the gas guide ring groove 104 is a "ring surface", and the stroke of the combustible gas in the gasification chamber 103 is also a "torus", which can not only improve the speed of the introduction of the combustible gas into the gas guide ring groove 104, but also improve the The speed at which the combustible gas is taken into the gas conduit 11, and at the same time, under the confluence of the gas guiding ring groove 104 on the combustible gas, the quality of the combustible gas taken out from the gas conduit 11 will not change with the change of the height of the material in the furnace and the change of the amount of the material. With constant changes, the quality of the combustible gas extracted from the gas conduit 11 is stable, and "vacancies" are not easily formed in the gas conduit 11, thereby improving the continuity and stability of the gasification system.

Optionally, as shown in FIG. 5 , the bottom end opening of the gas guide ring groove 104 forms the intake end for the combustible gas in the gasification chamber 103 to enter the gas guide ring groove 104 , and the top end of the gas guide ring groove 104 is a blind end And the gas guide ring groove 104 extends toward the feed end of the gasification chamber 103 . Further, the inner ring wall of the gas guide ring groove 104 is provided with a plurality of penetrating air inlets 105 . By opening a plurality of air inlets 105 on the inner ring wall of the gas guide ring groove 104, it is convenient for the combustible gas in the gasification chamber 103 to be introduced into the gas guide ring groove 104 as quickly and dispersedly as possible, thereby increasing the rate of the combustible gas. At the same time, the quality of the combustible gas taken out from the gas conduit 11 will not change continuously with the change of the height of the material in the furnace and the change of the amount of the material, and the quality of the combustible gas taken out from the gas conduit 11 is very stable. , no "vacancy" will be formed in the gas conduit 11, thereby greatly improving the continuity and stability of the gasification system.

In the specific implementation of this optional solution, as shown in FIG. 10 , a horizontally arranged and annular mounting ring 12 is arranged on the side wall of the gasification chamber 103 , and a hollow cylinder-shaped mounting ring 12 is vertically arranged in the gasification chamber 103 The air guide ring cylinder 13, the top of the air guide ring cylinder 13 is detachably connected with the lower surface of the installation ring 12, the air guide ring cylinder 13, the installation ring 12 and the side wall of the gasification chamber 103 form the air guide ring groove 104. A plurality of air inlets 105 are opened on the side wall of the air guide ring cylinder. Further, as shown in FIG. 11 , the air guide ring cylinder 13 is surrounded by a plurality of air guide sheets 130 in the circumferential direction, which facilitates the disassembly, cleaning and maintenance of the air guide ring cylinder 13. The top of each air guide sheet 130 is inserted into The lower surface of the mounting ring 12 is detachably connected to the lower surface of the mounting ring 12 or through a connecting piece, and each air guide sheet 130 is provided with a plurality of air inlets 105 .

Optionally, the gasification furnace body 10 includes a furnace body, the furnace body is a hollow cylinder with an open upper end, the upper open end of the furnace body is provided with a sealing upper cover 15 for closing the upper open end, and the lower closed end of the furnace body is provided. A plurality of legs 16 for supporting the furnace body are connected.

Optionally, as shown in FIG. 5 , the ash discharge end of the gasification chamber 103 is provided with a horizontally arranged and annular annular support plate 101 . The complete set of hot water boiler equipment for the gasifier also includes a gas distribution plate 40 that is slidably arranged on the lower surface of the annular support plate 101. The gas distribution plate 40 is used to support the material in the gasification chamber 103 and make the ash produced by the combustion of the material continuous. After passing through, it falls into the ash storage box 50 arranged below the gasification chamber 103 . The complete set of hot water boiler equipment for the gasifier also includes an induced draft fan 30 for introducing air, and the air distribution plate 40 is communicated with the induced draft fan 30, so that the air is evenly and dispersedly distributed to the gasification chamber 103 through the air distribution plate 40 middle. When the gas distribution plate 40 of the present invention works, on the one hand, it is used to support the material to be gasified and reacted in the gasification chamber 103, and on the other hand, it is used to distribute the gas for the gasification reaction of the material, that is, the outside air is first The air is introduced into the gas distribution plate 40 by the induced draft fan 30, and then distributed evenly and dispersedly into the gasification chamber 103 under the action of the gas distribution plate 40, thereby not only realizing gas distribution for the gasification reaction in the gasification chamber 103, At the same time, the uniformity of gasification is ensured, so that the material is not easy to form "vacancies", thereby improving the stability of the system operation and the efficiency of the gasification reaction; in addition, the gas distribution plate 40 is also used for the ash and slag produced by the combustion of the material to pass through. The ash and slag of the tray 40 automatically falls into the ash storage box 50 below, thereby solving the technical problem that the ash and slag is difficult to clean in the gasification process of the gasifier, and realizing the continuous discharge of ash and slag from the furnace cavity during the gasification reaction process, thereby improving the gasification process. The stability of the system during the process.

Optionally, as shown in FIG. 12 , the gas distribution plate 40 includes a gas distribution pipe network 41 for extending into the lower part of the inner hole of the annular support plate 101 , and the gas distribution pipe network 41 is used to support the material in the gasification chamber 103 and make the material The ash and slag produced by combustion continuously pass through and then fall into the ash storage box 50 , and the air distribution pipe network 41 communicates with the induced draft fan 30 to introduce air into the air distribution pipe network 41 . The air distribution pipe network 41 is machined with a plurality of through first air distribution holes 401 , and the first air distribution holes 401 are used to distribute the air introduced into the air distribution pipe network 41 into the gasification chamber 103 evenly and dispersedly. The air distribution pipe network 41 is not only used to support the materials in the gasification chamber 103, but also to distribute the gas for the gasification reaction of the materials, so that the air is evenly and dispersedly distributed to the gasification chamber from the first air distribution holes 401 In 103, the uniformity of gasification is ensured, and the gas distribution pipe network 41 is also used for the continuous passage of ash and slag generated by the combustion of materials to fall into the ash storage box 50 located under the gas distribution plate 40, so as to solve the problem of gasification in the gasification chamber 103. The technical problem that the ash and slag are difficult to clean in the process can realize the continuous discharge of ash and slag from the furnace cavity during the gasification reaction process, thereby improving the stability of the system during the gasification process.

Optionally, as shown in FIG. 12 , a plurality of first air distribution holes 401 are evenly arranged on the air distribution pipe network 41 , and the air distribution direction of each first air distribution hole 401 faces the material in the gasification chamber 103 to further ensure gasification. The uniformity of the gasification makes it difficult for the material to form "vacancies", thereby improving the stability of the gasification reaction and the efficiency of the gasification reaction; and the gas distribution direction of each first gas distribution hole 401 is directed towards the material in the gasification chamber 103, which further improves the gas distribution. Gas efficiency and gas distribution effect on materials. Further, as shown in FIG. 8 , the plurality of first air distribution holes 401 are arranged in concentric circles, and the first air distribution holes 401 of two adjacent concentric circles are arranged in a circumferential direction with a dislocation one by one, which further ensures the uniformity of gasification. , so that the material is not easy to form "vacancies", thereby further improving the stability of the gasification reaction and the efficiency of the gasification reaction.

Optionally, as shown in FIG. 12 , the air distribution pipe network 41 includes a plurality of air distribution pipes 410 arranged at intervals in sequence. Each air distribution pipe 410 is provided with a plurality of first air distribution holes 401 . Compared with the "plate-type" support of the material by the air distribution box, in the present invention, the air distribution pipe network 41 includes a plurality of air distribution pipes 410 arranged at intervals in sequence, so as to form an "overhead" support for the material, which is convenient for the air to be faster and more efficient. It is fully and more uniformly dispersed in the material, thereby improving the efficiency and quality of the gasification reaction in the gasification chamber 103, and at the same time ensuring the uniformity of gasification, so that the material is not easy to form "vacancies", and more importantly, it is convenient for the material to burn The generated ash and slag pass through the gap between the adjacent gas distribution pipes 410 to fall into the lower ash storage box 50, so as to solve the technical problem that the ash and slag is difficult to clean during the gasification process of the gasification chamber 103, and realize the gasification reaction process. The furnace cavity continuously discharges ash and slag, thereby improving the stability of the system during the gasification process; in addition, compared with the gas distribution box, the gas distribution pipe 410 can reduce the weight of the gas distribution plate, which is convenient to improve the convenience of operation.

Preferably, the plurality of air distribution pipes 410 are arranged in order in the vertical direction, which is easier to form an "overhead" support for the material, so that the air can be dispersed in the material more quickly, fully and evenly, and at the same time, it can also prevent the material from being supported. The situation that the first air distribution hole 401 is further blocked on the air distribution pipe 410 occurs, which improves the stability and uniformity of air distribution. Preferably, each air distribution pipe 410 is a corrugated pipe arranged in a wave shape in the vertical direction, which is easier to form an "overhead" support for the material, so that the air can be dispersed in the material more quickly, fully and evenly, and also The situation that the material is supported on the gas distribution pipe 410 and then blocks the first gas distribution hole 401 can be prevented, and the stability and uniformity of the gas distribution can be improved. Preferably, the gas distribution pipe 410 is a circular pipe, and the gas distribution direction of the first air distribution hole 401 on the gas distribution pipe 410 is perpendicular to the gas distribution plate 40 toward the material in the gasification chamber 103 . Compared with the "plate" support of the material by the air distribution box, when the air distribution pipe 410 is a circular pipe, the contact area with the material can be reduced, and it is easier to form an "overhead" support for the material, which is convenient for the air to be faster, more sufficient and more efficient. It is more uniformly dispersed in the material; in addition, because the reaction temperature in the gasification chamber 103 is very high, the gas distribution pipe 410 is less prone to oxidation and deformation compared with the gas distribution plate on the gas distribution box because the contact area with the material is reduced. , thereby prolonging the service life of the gas distribution plate.

Optionally, as shown in FIG. 12 , the air distribution plate 40 further includes an installation pipe 42 for installing a plurality of air distribution pipes 410 , and the installation pipe 42 communicates with the induced draft fan 30 . The connecting ends of the plurality of gas distribution pipes 410 are respectively communicated with the installation pipes 42 , and the lengths of the free ends of the plurality of gas distribution pipes 410 are different to suit the circular inner cavity structure of the gasification chamber 103 . By installing the pipes 42 , the air introduced by the induced draft fan 30 can be uniformly dispersed into each air distribution pipe 410 , thereby improving the air distribution uniformity of each air distribution pipe 410 .

Preferably, the free ends of the plurality of air distribution pipes 410 are connected with ventilation pipes that are respectively communicated with the plurality of air distribution pipes 410, and the ventilation pipes are arc-shaped pipes that match the circular inner cavity of the gasification chamber 103. , the air outlet ends of each air distribution pipe 410 are communicated with each other, thereby improving the uniformity of air distribution in the air distribution pipe 410 along the length direction, and further improving the air distribution uniformity of the air distribution pipe.

Optionally, as shown in FIG. 12 , the air distribution plate 40 further includes an air inlet pipe 43 for introducing air into the installation pipe 42 , and the air inlet pipe 43 extends outwards out of the gasification chamber 103 . The air inlet end of the air inlet pipe 43 is connected with the induced draft fan 30 , and the air outlet end of the air inlet pipe 43 is connected with the installation pipe 42 .

Optionally, as shown in FIG. 5 , the complete set of equipment for the gasifier matching the hot water boiler further includes a gas distribution hopper 20 , and the gas distribution hopper 20 is used to support the materials in the gasification chamber 103 . The air distribution bucket 20 has a conical outer wall surface, and the air introduced by the induced draft fan 30 enters the inner cavity of the air distribution bucket 20 through the side wall of the air distribution bucket 20, so as to distribute the air evenly to the inner cavity of the air distribution bucket 20 and the upper part of the inner cavity , so as to form a spatial three-dimensional gas distribution. When working, first cut off the passage of the induced draft fan 30 to the outside of the side wall of the air distribution bucket 20, and all the air introduced by the induced draft fan 30 enters the air distribution plate 40, and then is uniformly and uniformly distributed under the action of the air distribution plate 40. Distributed into the gasification chamber 103; after a period of time, gradually open the channel through which the induced draft fan 30 draws air to the outer side wall of the air distribution bucket 20, and part of the air introduced by the induced draft fan 30 enters the air distribution plate 40, and then The gas is distributed into the gasification chamber 103 by the gas distribution plate 40, and another part of the air is introduced into the outside of the side wall of the gas distribution bucket 20, and enters the inner cavity of the gas distribution bucket 20 through the side wall of the gas distribution bucket 20 to form a three-dimensional space distribution. gas, so as to be distributed into the gasification furnace body 10 evenly and dispersedly. When the gas distribution hopper 20 of the present invention works, on the one hand, it is used as the support part of the gasification furnace body 10 to mainly support the materials in the gasification chamber 103 , and on the other hand, it is used for forming a pair of pairs in the gasification chamber 103 . The spatial three-dimensional gas distribution of the materials enables the air to be distributed into the gasification chamber 103 more uniformly and dispersedly, to ensure the uniformity of gasification, so that the materials are not easy to form "vacancies", and solve the problem of complete sets of hot water boilers for large gasifiers. The technical problem of "poor balance of gasification reaction", which is easy to occur in the gasification reaction of the equipment, further improves the stability of the system operation and the efficiency of the gasification reaction.

Optionally, as shown in FIG. 5 and FIG. 13 , in the fifth embodiment of the present invention, the gas distribution hopper 20 is in the shape of a funnel, and the constricted end of the gas distribution hopper 20 faces downward and is supported on the ash outlet end of the gasification chamber 103 . On the annular support plate 101, the flared end of the gas distribution hopper 20 faces upwards and abuts with the side wall of the gasification chamber 103, so as to cooperate with the side wall of the gasification chamber 103 and the annular support plate 101 to form a three-dimensional gas distribution The cavity 102, the air distribution cavity 102 is communicated with the induced draft fan 30. The side wall of the air distribution bucket 20 is provided with a plurality of second air distribution holes 201 penetrating the side wall. The plurality of second air distribution holes 201 are used to distribute the air introduced into the air distribution chamber 102 to the gasification chamber 103 evenly and dispersedly. Inside. The gas distribution hopper 20 is in the shape of a funnel, and the constricted end of the gas distribution hopper 20 faces downward and is supported on the annular support plate 101 , and the flared end of the gas distribution hopper 20 faces upward and is in contact with the side wall of the gasification chamber 103 , Therefore, the outer side wall of the gas distribution hopper 20 , the side wall of the gasification chamber 103 and the annular support plate 101 can form a three-dimensional air distribution chamber 102 , and a plurality of second gas distribution chambers are processed on the side wall of the gas distribution hopper 20 . The air distribution hole 201, so the air introduced into the air distribution cavity 102 by the induced draft fan 30 can form a spatial three-dimensional air distribution method through the second air distribution hole 201, so that the air can be distributed to the gasification cavity 103 more uniformly and dispersedly. In order to solve the technical problem of "poor balance of gasification reaction" that is easy to occur during gasification reaction of complete sets of equipment for large-scale gasifiers supporting hot water boilers.

In the specific implementation of the fifth embodiment, as shown in FIG. 13 , a plurality of second gas distribution holes 201 are evenly arranged on the side wall of the gas distribution bucket 20 , and the gas distribution direction of each second gas distribution hole 201 faces the gasification chamber. The material in 103 further ensures the uniformity of gasification, making it difficult for the material to form "vacancies", thereby improving the stability of the gasification reaction and the efficiency of the gasification reaction; and the gas distribution direction of each second gas distribution hole 201 is toward the gasification. The material in the cavity 103 further improves the gas distribution efficiency and the gas distribution effect on the material.

Further, as shown in FIG. 13 , the plurality of second air distribution holes 201 are arranged in concentric circles in the radial direction of the air distribution bucket 20, and the second air distribution holes 201 of two adjacent concentric circles are arranged one by one in the circumferential direction. It further ensures the uniformity of gasification, so that the material is not easy to form "vacancies", and further improves the stability of the gasification reaction and the efficiency of the gasification reaction.

Optionally, in the sixth embodiment of the present invention (not shown), the gas distribution hopper 20 is in the shape of a funnel, and the constricted end of the gas distribution hopper 20 faces downward and is supported on the annular support plate 101 at the ash discharge end of the gasification chamber 103 On the upper side, the flared end of the gas distribution hopper 20 faces upwards and is in contact with the inner side wall of the gasification chamber 103, so as to cooperate with the inner side wall of the gasification chamber 103 and the annular support plate 101 to form a three-dimensional gas distribution chamber 102. The air cavity 102 communicates with the induced draft fan 30 . The side wall of the air distribution hopper 20 is provided with a plurality of air distribution slits penetrating the side wall, and the plurality of air distribution slits are used to distribute the air introduced into the air distribution chamber 102 into the gasification chamber 103 evenly and dispersedly. The gas distribution hopper 20 is in the shape of a funnel, and the constricted end of the gas distribution hopper 20 faces downward for supporting on the annular support plate 101 , and the flared end of the gas distribution hopper 20 faces upward to abut against the inner wall of the gasification chamber 103 Therefore, the outer side wall of the gas distribution hopper 20, the inner side wall of the gasification chamber 103 and the annular support plate 101 can form a three-dimensional air distribution chamber 102, and the side wall of the gas distribution hopper 20 is processed with a plurality of Therefore, the air introduced into the air distribution chamber 102 by the induced draft fan 30 can form a spatial three-dimensional air distribution method through the air distribution seam, so that the air can be distributed into the inner cavity of the gasification chamber 103 more uniformly and dispersedly. , so as to solve the technical problem of "poor balance of gasification reaction" that is easy to occur in the gasification reaction of complete sets of equipment for large-scale gasifiers supporting hot water boilers.

In the specific implementation of the sixth embodiment, a plurality of air distribution slits are arranged at intervals along the circumferential direction of the air distribution bucket 20, and each air distribution slit extends along the radial line of the air distribution bucket 20 to further ensure the uniformity of gasification. It makes it difficult for the material to form "vacancies", thereby improving the stability of the gasification reaction and the efficiency of the gasification reaction. Preferably, compared with the second air distribution hole 201, the gas distribution slot can increase the gas distribution amount to meet the demand for air in the gasification reaction process of the large-scale gasifier, thereby improving the efficiency of the gasification reaction and the quality of the gasification reaction; The air distribution seam is provided with a high temperature resistant grille to prevent the ash and slag produced by the combustion of the material from falling into the air distribution cavity 102 and affecting the air distribution quality of the air distribution bucket 20 .

Preferably, in the present invention, the inner wall surface of the air distribution hopper 20 is provided with a plurality of support protrusions, which is easier to form an "overhead" support for the material, so that the air can be dispersed in the material more quickly, fully and evenly, At the same time, it can also prevent the second air distribution hole 201 from being blocked when the material is supported on the inner wall surface of the air distribution hopper 20, thereby improving the stability and uniformity of the air distribution. Preferably, there is an included angle between the outer peripheral wall of the gas distribution bucket 20 and the annular support plate 101 of 30° to 60°. When the included angle between the gas distribution bucket 20 and the annular support plate 101 is less than 30°, a three-dimensional spatial The air distribution effect is not obvious; when the angle between the air distribution bucket 20 and the annular support plate 101 is greater than 60°, the amount of materials contained in the gasification chamber 103 will be reduced, and the gasification efficiency will be reduced.

Optionally, as shown in FIG. 5 , the complete set of hot water boiler equipment for the gasifier also includes a water dripper 60 connected to the outer side wall of the gasification furnace body 10, and the water dripper 60 is used to hold water used as a gasification agent, The water is led to the outside of the side wall of the gas distribution hopper 20 to make the water evaporate into water vapor under the action of the air, so that the water vapor passes through the side wall of the gas distribution hopper 20 and enters the inner cavity of the gas distribution hopper 20 under the action of the air. The inner cavity of the gas distribution bucket 20 and the upper part of the inner cavity are evenly distributed. When the gasifier is operated with the complete set of hot water boiler equipment, first cut off the channel for the induced draft fan 30 to draw air to the outside of the side wall of the air distribution hopper 20 and the water dripper 60 to draw water to the outside of the side wall of the air distribution hopper 20. All the air introduced by 30 enters the air distribution plate 40, and then is distributed evenly and dispersedly into the gasification chamber 103 under the action of the air distribution plate 40; after a period of time, the induced draft fan 30 is gradually opened to the air distribution bucket 20. In the passage of the outer side wall for air introduction, a part of the air introduced by the induced draft fan 30 enters the gas distribution plate 40, and then is distributed into the gasification chamber 103 by the air distribution plate 40, and the other part of the air is introduced into the outside of the side wall of the air distribution bucket 20. , and pass through the side wall of the gas distribution hopper 20 into the inner cavity of the gas distribution hopper 20 to form a spatial three-dimensional gas distribution, so as to be distributed into the gasification furnace body 10 evenly and dispersedly; after another period of time, open the dripper 60 is a channel that leads water to the outside of the side wall of the gas distribution hopper 20. The water in the water dripper 60 is introduced to the outside of the side wall of the gas distribution hopper 20, and evaporated by heating to become water vapor as a gasification agent. Under the action of air, the water vapor enters the inner cavity of the air distribution bucket 20 through the side wall of the air distribution bucket 20 and is distributed into the gasification chamber 103 evenly and dispersedly.

When the gas distribution hopper 20 of the present invention works, on the one hand, it is used as the support part of the gasification furnace body 10 to mainly support the materials in the gasification chamber 103 , and on the other hand, it is used for forming a pair of pairs in the gasification chamber 103 . The spatial three-dimensional gas distribution of the material enables the water vapor to be distributed into the gasification chamber 103 more uniformly and dispersedly under the action of the air, reducing the amount of air gasification agent and making the carbon reduction reaction in the carbides more intense. , and then increase the proportion of effective gas in the mixed combustible gas produced by combustion, wherein the content of combustible gas in the combustible gas increases from about 5% to 10-25%, the calorific value of the combustible gas increases, and the calorific value of the mixed combustible gas increases from the original Increase from 1000 kcal/m ³ to 1300-2000 kcal/m ³ , finally improve the gasification reaction speed and gasification reaction quality, and at the same time ensure the uniformity of gasification, make it difficult for materials to form "vacancies", and solve large-scale gasification furnaces The technical problems of "slow gasification reaction speed, low quality and poor balance" are prone to occur during the gasification reaction of the complete set of hot water boiler equipment, which further improves the stability of the system operation and the efficiency of the gasification reaction.

Optionally, as shown in FIG. 5 , the dripper 60 includes a tub 61 for containing water, and a water introduction pipe 62 for connecting the tub 61 and the air distribution chamber 102 . The water tub 61 is fixedly connected to the outer side wall of the gasification furnace body 10 . The water inlet end of the water guiding pipe 62 is communicated with the water tub 61 , and the water outlet end of the water guiding pipe 62 penetrates the side wall of the gasification furnace body 10 and extends into the gas distribution chamber 102 .

Further, as shown in FIG. 5 , the induced draft fan 30 is connected with an induced draft duct 70 for introducing air into the air distribution chamber 102 , and the induced draft duct 70 is used to be fixed on the side wall of the gasification furnace body 10 , and the draft duct 70 is used for introducing air into the gas distribution chamber 102 . The air outlet end of the air duct 70 extends into the air distribution chamber 102 after passing through the side wall of the gasification furnace body 10 . Preferably, a third switch for controlling the on-off of the draft duct 70 is provided in the pipeline of the draft duct 70 . A fourth switch for controlling the on-off of the water lead pipe 62 is provided in the pipeline of the water lead pipe 62 . When the gas distribution device of the present invention is actually working, according to the specific material type in the gasification chamber 103, only the third switch or both the third switch and the fourth switch can be selected to be turned on, so as to satisfy the actual gasification reaction to the gasification agent. demand.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. For those skilled in the art, the present utility model may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a supporting boiler complete sets of gasifier which characterized in that includes:

the gasification furnace comprises a gasification furnace body (10) which is supported on a working ground, wherein a gasification cavity (103) which is used for containing materials to be gasified to enable the materials to be gasified to carry out gasification reaction is arranged in the gasification furnace body (10), a gas guide pipe (11) is arranged on the outer side wall of the gasification furnace body (10), and the gas inlet end of the gas guide pipe (11) penetrates through the side wall of the gasification furnace body (10) and then is communicated with the gasification cavity (103) so as to lead out combustible gas generated by the gasification reaction in the gasification cavity (103);

gas pipe (11) are connected with and are used for right gas in the gas pipe (11) burns the kitchen (80) that burns of the outside hot gas flow of discharging of back, the hot gas flow blowout end of burning kitchen (80) is equipped with boiler device (90), boiler device (90) include:

the boiler comprises a boiler body (91), wherein a water inlet of the boiler body (91) is positioned at the upper part of the boiler body (91), and a water outlet of the boiler body (91) is positioned at the lower part of the boiler body (91);

the boiler body (91) is internally provided with a heat exchange mechanism which is used for forming a hot gas flow channel in the inner cavity of the boiler body (91) so as to fully contact with water to realize heat exchange.

2. The hot water boiler plant as defined in claim 1, wherein,

the boiler body (91) comprises a first boiler body (911) and a second boiler body (912), wherein the first boiler body (911) is sequentially arranged from bottom to top and used for enabling water in an inner cavity to directly realize heat exchange with hot air flow so as to heat the water in the inner cavity, and the second boiler body (912) is used for enabling the water in the inner cavity and residual hot air flow output by the first boiler body (911) to realize heat exchange so as to heat the water in the inner cavity;

a water inlet of the boiler body (91) is arranged on the second boiler body (912), a water outlet of the boiler body (91) is arranged on the first boiler body (911), and a water outlet end of the second boiler body (912) is communicated to a water inlet end of the first boiler body (911);

the heat exchange mechanism comprises a first heat exchanger which is arranged in the first boiler body (911) and used for hot gas flow circulation and penetrates through the first boiler body (911), and a second heat exchanger which is arranged in the second boiler body (912) and used for residual hot gas flow circulation and penetrates through the second boiler body (912).

3. The hot water boiler plant as defined in claim 2, wherein,

the first heat exchanger includes a first heating pipe (921) and a first heat absorption pipe (922);

the first heating pipes (921) are arranged on the periphery and are arranged at intervals along the radial direction and/or the circumferential direction of the first boiler body (911), and the first heat absorption pipes (922) are arranged in the middle and are arranged at intervals along the radial direction and/or the circumferential direction of the first boiler body (911);

the second heat exchanger includes a second heating pipe (931) and a second heat absorbing pipe (932);

the second heat absorption pipes (932) are arranged at the periphery and are arranged at intervals along the radial direction and/or the circumferential direction of the second boiler body (912); the second heating pipes (931) are arranged in the middle and are arranged at intervals along the radial direction and/or the circumferential direction of the second boiler body (912).

4. The hot water boiler plant as defined in claim 3, wherein,

the radial dimension of the first heat absorption pipe (922) and/or the second heat absorption pipe (932) is gradually reduced or gradually reduced from the bottom airflow inlet to the top airflow outlet.

5. The hot water boiler plant as defined in claim 2, wherein,

the water inlet end of the first boiler body (911) is arranged at the upper part of the first boiler body (911) and is communicated with the water outlet end of the second boiler body (912);

the water outlet is arranged at the lower end part of the side wall surface of the first boiler body (911), and the water inlet end and the water outlet are positioned at two sides of the side wall surface of the first boiler body (911);

the first boiler body (911) and/or the second boiler body (912) are/is also provided with steam ports for leading out steam.

6. The hot water boiler plant as defined in claim 1, wherein,

the burning stove (80) comprises a stove body (81) connected with the gas guide pipe (11), a burning cavity (810) with two through ends is arranged in the stove body (81), the air inlet end of the burning cavity (810) is communicated with the gas guide pipe (11), and the flame spraying end of the burning cavity (810) is communicated with the atmosphere;

an ignition combustion-supporting device (82) is arranged at the air inlet end of the incineration cavity (810), and the ignition combustion-supporting device (82) is used for supplying fuel gas to the incineration cavity (810) to support the combustion of the combustible gas in the incineration cavity (810);

the wall surrounding the incineration chamber (810) is provided with at least one circle of air distribution holes (811), the air distribution holes (811) are connected with an air distribution device (83) for distributing air, so that the air distributed by the air distribution device (83) is distributed into the incineration chamber (810) to fully mix combustible gas, fuel gas and air for full combustion, and the air distribution device (83) is arranged outside the stove body (81).

7. The hot water boiler plant as defined in claim 1, wherein,

an annular gas guide ring groove (104) is formed in the side wall of the gasification cavity (103), and the gas guide ring groove (104) is communicated with the gasification cavity (103) so that combustible gas generated by material gasification reaction in the gasification cavity (103) enters the gas guide ring groove (104) to converge;

the inlet end of gas pipe (11) with air guide ring groove (104) intercommunication, with will the combustible gas who converges in air guide ring groove (104) is leading-in burn in burning kitchen (80).

8. The hot water boiler plant as defined in claim 1, wherein,

an annular support plate (101) which is horizontally arranged and annular is arranged at the ash outlet end of the gasification cavity (103);

the complete equipment of the hot water boiler matched with the gasification furnace also comprises a gas distribution disc (40) which is arranged on the lower surface of the annular support plate (101) in a sliding way, wherein the gas distribution disc (40) is used for supporting the materials in the gasification cavity (103) and enabling ash slag generated by the combustion of the materials to continuously pass through and then fall into an ash storage box (50) below;

the complete equipment of the hot water boiler matched with the gasification furnace also comprises an induced draft fan (30) used for inducing air, and the air distribution plate (40) is communicated with the induced draft fan (30) so that air enters the air distribution plate (40) and then is uniformly and dispersedly distributed into the gasification cavity (103) under the action of the air distribution plate (40).

9. The hot water boiler plant as defined in claim 8, wherein,

the complete equipment of the hot water boiler matched with the gasification furnace also comprises a gas distribution hopper (20), wherein the gas distribution hopper (20) is used for supporting materials in the gasification cavity (103);

the air distribution hopper (20) is provided with a conical outer wall surface, and air introduced by the induced draft fan (30) passes through the side wall of the air distribution hopper (20) and enters the inner cavity of the air distribution hopper (20) so as to be uniformly distributed to the inner cavity of the air distribution hopper (20) and the upper part of the inner cavity, so that spatial three-dimensional air distribution is formed.

10. The hot water boiler plant as defined in claim 9, wherein,

the supporting boiler plant of gasifier still include with water dropper (60) that the lateral wall of gasifier body (10) links to each other, water dropper (60) are used for the splendid attire to be used as the water of gasification agent, and lead to water so that water is heated the evaporation and becomes steam outside the lateral wall of distribution fill (20), and then make steam pass under the effect of air distribution fill (20) lateral wall enter into to distribution fill (20) inner chamber, with to distribution fill (20) inner chamber and inner chamber top evenly distribute the gas.

Images