CN211146883U - Backfire type semi-gasification normal pressure hot water machine room boiler - Google Patents

Abstract

The utility model discloses a reverse combustion type semi-gasification atmospheric pressure hot water machine room boiler, which comprises a furnace box, wherein a layer clapboard and a filter plate are fixedly installed in the furnace box, and the furnace box is divided into two layers by the layer clapboard and the filter plate. The heating chamber, the combustion chamber and the ash chamber, two mouthpieces are symmetrically and fixedly inserted on the inner top wall of the heating chamber, and the lower ends of the two mouthpieces are jointly connected with a double-spiral heating pipe. The upper end is equipped with a fire exhaust mechanism. The utility model separates the combustion chamber and the heating chamber through a layer of partitions, and separates the combustion process and the heating process through the fire exhaust mechanism, so as to prevent the combustion products from adhering to the surface of the double-spiral heating pipe, thereby reducing the heat conduction efficiency and increasing the service life of the boiler. The heating time of the water flow is increased by the double helical heating tube, which can ensure that the temperature difference between the two interface tubes is large, and the fuel is supplied and burned in stages through the fuel supply mechanism, so as to avoid insufficient combustion resulting in low combustion efficiency and ash blocking and falling ash hole.

Description

Backfired semi-gasification atmospheric pressure hot water engine room boiler

technical field

The utility model relates to the field of atmospheric pressure boilers, in particular to a reverse combustion type semi-gasification atmospheric pressure hot water machine room boiler.

Background technique

With the continuous development of social economy, more and more families buy household appliances to help improve their living standards, and heating in winter is particularly common in the north, but more and more southerners are also beginning to install heating appliances to increase the number of indoor heating in winter. The most cost-effective method for heating is to uniformly use water heating for heating, and the water is continuously circulated and heated through the boiler and sent to the user's house.

When the existing boiler is heated, a thick layer of scale is attached to the wall of the heating tube by the combustion products after long-term use, which reduces the heat conduction efficiency of the heating tube, resulting in poor heating capacity of the heating tube. Putting more fuel will lead to insufficient fuel combustion and affect the heating efficiency.

Utility model content

The purpose of the utility model is to solve the shortcomings existing in the prior art, and propose a reverse combustion type semi-gasification atmospheric hot water machine room boiler.

In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

The back-burning semi-gasification atmospheric pressure hot water machine room boiler includes a furnace box, a layer partition and a filter plate are fixedly installed in the furnace box, the filter plate is provided with a plurality of ash-dropping holes, and the furnace box is The layer partition plate and the filter plate are divided into a heating chamber, a combustion chamber and an ash chamber. Two interface pipes are symmetrically and fixedly inserted on the inner top wall of the heating chamber, and the lower ends of the two interface pipes are jointly connected with a double helix For the heating pipe, a fire exhaust mechanism is installed on the upper end of the layer partition plate, and a fuel supply mechanism is fixedly installed on the outer side wall of the furnace box.

Preferably, the fire-exhaust mechanism includes a plurality of fire-collecting hoods fixedly embedded on the floor partitions, the upper end of each fire-collecting hood is fixedly installed with a fire-exhaust pipe, and a side wall of each of the fire-exhaust pipes is fixedly installed. Each of them is provided with a plurality of fire exhaust holes, and the plurality of fire exhaust pipes are located inside the spiral of the double-spiral heating pipe;

According to the phenomenon of the upward flow of heat flow, the flame and heat generated by burning fuel in the combustion chamber flow upward into the fire collecting hood and enter the fire exhaust pipe, and then spray out from the multiple fire exhaust holes of the fire exhaust pipe to the surrounding double helix heating pipes. Heating is carried out to separate combustion and heating, increase the utilization rate of energy, and prevent the surface of the double-spiral heating tube from adhering to a large number of combustion reaction products, resulting in a decrease in the thermal conductivity of the double-spiral heating tube.

Preferably, the fuel supply mechanism includes a material storage box fixed on the side wall of the furnace box, the upper end of the material storage box is inserted with a feeding pipe, and the bottom of the material storage box is slidably inserted with a push-pull plate, A card slot plate is fixedly installed on the side wall of the storage box, and the upper end of the push-pull plate is clipped on the card slot plate.

Preferably, a material guide drawer is fixed and obliquely inserted on the side wall of the furnace box, and the material guide drawer communicates with the material storage box and the combustion chamber;

The fuel is poured into the storage tank through the feed pipe. If the feed needs to be burned, pull the push-pull plate to keep the push-pull plate away from the card slot plate, the combustion chamber is connected to the storage box, and the fuel in the storage box passes through the guide drawer. into the combustion chamber to burn.

Preferably, an air inlet is embedded in the side wall of the combustion chamber, and an ash collecting drawer is slidably inserted in the ash chamber.

Preferably, a smoke exhaust pipe is fixedly inserted at the upper end of the furnace box to discharge the flue gas, so as to prevent substances in the flue gas from adhering to the surface of the double-spiral heating pipe.

The utility model has the following beneficial effects:

1. The combustion chamber is separated from the heating chamber by the layer partition, and the combustion of the combustion chamber and the heating process of the heating chamber are separated by the fire collecting hood and the fire exhaust pipe, so that the heat of combustion in the combustion chamber is transmitted to the furnace through the fire collecting hood and the fire exhaust pipe. Heating in the heating chamber effectively prevents the combustion products from adhering to the surface of the double-spiral heating tube, that is, avoids the decrease in the thermal conductivity of the double-spiral heating tube and increases the service life of the boiler.

2. The double-spiral heating tube is used to connect the two interface tubes, so that the two interface tubes are connected, and during heating, the double-spiral heating tube can increase the time and path of the water flow in the pipeline, so that the time for the water flow to be heated is increased. increase, that is, it can ensure that the temperature difference of the water flow between the two interface pipes is relatively large.

3. The storage box is fixed on the side wall of the furnace box. When the boiler heating is activated, the fuel is poured into the storage box, and then the fuel enters the combustion chamber for combustion and heating by pushing and pulling the plate in stages, which avoids the one-time input of fuel. The combustion efficiency is low, the fuel combustion is insufficient, and a large amount of fuel ash slag blocks the ash holes, so that the ash cannot be discharged in time, resulting in difficulty in combustion and heating.

To sum up, the utility model separates the combustion chamber and the heating chamber through the layer partition, and separates the combustion process and the heating process through the fire exhaust mechanism, so as to prevent the combustion products from adhering to the surface of the double-spiral heating pipe, thereby reducing the thermal conductivity and increasing the thermal conductivity. The service life of the boiler is increased by increasing the heating time of the water flow through the double helical heating tube, which can ensure a large temperature difference between the two interface tubes. The slag blocks the ash hole.

Description of drawings

Fig. 1 is the structural representation of the reverse combustion type semi-gasification atmospheric hot water machine room boiler proposed by the utility model;

Fig. 2 is an enlarged view of the part of the exhaust pipe of the back-firing semi-gasification atmospheric hot water machine room boiler proposed by the utility model;

FIG. 3 is an enlarged view of part A in FIG. 1 .

In the picture: 1 furnace box, 2 interface pipes, 3 smoke exhaust pipes, 4 heating chambers, 5 air inlets, 6 combustion chambers, 7 ash chambers, 8 ash collection drawers, 9 layers of partitions, 10 filter plates, 11 fire collectors Hood, 12 ash holes, 13 material guide drawers, 14 double helical heating pipes, 15 fire pipes, 16 feed pipes, 17 storage boxes, 18 fire holes, 19 card slots, 20 push-pull plates.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example.

1-3, the backfired semi-gasification atmospheric pressure hot water machine room boiler includes a furnace box 1, a layer partition 9 and a filter plate 10 are fixedly installed in the furnace box 1, and the filter plate 10 is provided with a plurality of falling ash Hole 12, furnace box 1 is divided into heating chamber 4, combustion chamber 6 and ash chamber 7 by layer partition 9 and filter plate 10, and two interface pipes 2 are symmetrically fixed on the inner top wall of heating chamber 4. The lower ends of the mouth pipes 2 are jointly connected with a double helical heating pipe 14 , the upper end of the layer partition 9 is installed with a fire exhaust mechanism, and the outer side wall of the furnace box 1 is fixedly installed with a fuel supply mechanism.

The fire exhaust mechanism includes a plurality of fire collecting hoods 11 fixedly embedded on the layer partition 9, the upper end of each fire collecting hood 11 is fixedly installed with a fire exhaust pipe 15, and the side wall of each fire exhaust pipe 15 is opened. There are a plurality of fire exhaust holes 18, and the plurality of fire exhaust pipes 15 are located inside the spiral of the double helix heating pipe 14;

According to the phenomenon of the upward flow of heat flow, the flame and heat generated by the combustion of fuel in the combustion chamber 6 flow upward into the fire collecting cover 11 and enter the fire exhaust pipe 15, and then spray out from the plurality of fire exhaust holes 18 of the fire exhaust pipe 15. The surrounding double-spiral heating pipes 14 are heated to separate combustion and heating, increase the utilization rate of energy, and prevent the surface of the double-spiral heating tubes 14 from adhering to a large number of combustion reaction products, resulting in a decrease in the thermal conductivity of the double-spiral heating tubes 14.

The fuel supply mechanism includes a storage box 17 fixed on the side wall of the furnace box 1. The upper end of the storage box 17 is inserted and installed with a feeding pipe 16, and the bottom of the storage box 17 is slidably inserted with a push-pull plate 20. The storage box A card slot plate 19 is fixedly installed on the side wall of 17 , and the upper end of the push-pull plate 20 is clamped on the card slot plate 19 .

A material guide drawer 13 is fixed obliquely inserted on the side wall of the furnace box 1, and the material guide drawer 13 communicates with the material storage box 17 and the combustion chamber 6;

The fuel is poured into the storage tank 17 through the feed pipe 16. If the fuel needs to be burned, pull the push-pull plate 20 so that the push-pull plate 20 is far away from the card slot plate 19, then the combustion chamber 6 is communicated with the storage box 17, and the storage box The fuel in 17 enters the combustion chamber 6 through the guide drawer 13 for combustion.

An air inlet 5 is embedded on the side wall of the combustion chamber 6 , and an ash collecting drawer 8 is slidably inserted in the ash chamber 7 .

A smoke exhaust pipe 3 is fixedly inserted at the upper end of the furnace box 1 to discharge the smoke to prevent substances in the smoke from adhering to the surface of the double-spiral heating pipe 14 .

When the utility model is in use, the cold water pipe and the hot water pipe are respectively connected to the two interface pipes 2, then the fuel storage tank 17 is filled with fuel, and the push-pull plate 20 is pulled, so that the push-pull plate 20 is away from the card slot plate 19, Then the fuel enters the combustion chamber 6 through the material guide drawer 13 for combustion, and the heat generated by the combustion enters the fire collecting cover 11 upward, and then enters the fire exhaust pipe 15 and is discharged from the plurality of fire exhaust holes 18 to the surrounding heating double-spiral heating pipe 14, and then Open the cold water pipe valve, so that the cold water in the cold water pipe flows into the double helix heating pipe 14, then the cold water flowing into the double helix heating pipe 14 is continuously heated, and finally flows into the hot water pipe. During the combustion process, the air inlet 5 The heat generated by the combustion in the combustion chamber 6 moves upward, so that the cold oxygen-containing flow from the outside is sucked into the combustion chamber 6 to increase the sufficiency of fuel combustion, and by controlling the opening and closing of the push-pull plate 20, the fuel enters the combustion chamber 6 in stages. , to avoid insufficient combustion or cause ash to block the ash hole 12.

The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. Equivalent replacement or modification of the new technical solution and its utility model concept shall be included within the protection scope of the present utility model.

Claims (6)

1. The backfire type semi-gasification normal-pressure water heating machine room boiler comprises a boiler box (1) and is characterized in that a layer partition plate (9) and a filter plate (10) are fixedly installed in the boiler box (1), the boiler box (1) is divided into a heating chamber (4), a combustion chamber (6) and a slag chamber (7) by the layer partition plate (9) and the filter plate (10), two interface tubes (2) are symmetrically and fixedly inserted on the inner top wall of the heating chamber (4), the lower ends of the two interface tubes (2) are jointly connected with a double-spiral heating tube (14), a fire discharging mechanism is installed at the upper end of the layer partition plate (9), and a fuel supply mechanism is fixedly installed on the outer side wall of the boiler box (1).

2. The reverse combustion type semi-gasification normal-pressure hot water machine room boiler according to claim 1, wherein the fire discharging mechanism comprises a plurality of fire collecting covers (11) fixedly embedded on the layer partition plate (9), a fire discharging pipe (15) is fixedly mounted at the upper end of each fire collecting cover (11), a plurality of fire discharging holes (18) are formed in the side wall of each fire discharging pipe (15), and the fire discharging pipes (15) are positioned inside the spiral of the double-spiral heating pipe (14).

3. The reverse combustion type semi-gasification normal-pressure hot water machine room boiler according to claim 1, wherein the fuel supply mechanism comprises a storage tank (17) fixed on the side wall of the furnace tank (1), a feed pipe (16) is inserted and installed at the upper end of the storage tank (17), a push-pull plate (20) is slidably inserted into the bottom of the storage tank (17), a slot clamping plate (19) is fixedly installed on the side wall of the storage tank (17), and the upper end of the push-pull plate (20) is clamped on the slot clamping plate (19).

4. The reverse combustion type semi-gasification normal-pressure hot water machine room boiler according to claim 3, wherein a material guide drawer (13) is obliquely inserted into the side wall of the boiler box (1), and the material guide drawer (13) is communicated with the material storage box (17) and the combustion chamber (6).

5. The reverse combustion type semi-gasification normal-pressure hot water machine room boiler according to claim 1, wherein an air inlet (5) is embedded in the side wall of the combustion chamber (6), and an ash collection drawer (8) is slidably inserted in the ash chamber (7).

6. The reverse combustion type semi-gasification normal-pressure hot water machine room boiler according to claim 1, wherein a smoke exhaust pipe (3) is fixedly inserted at the upper end of the boiler box (1).

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