CN212901467U - Novel water-fire tube biomass chain grate steam boiler - Google Patents
Novel water-fire tube biomass chain grate steam boiler Download PDFInfo
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- CN212901467U CN212901467U CN202021521906.5U CN202021521906U CN212901467U CN 212901467 U CN212901467 U CN 212901467U CN 202021521906 U CN202021521906 U CN 202021521906U CN 212901467 U CN212901467 U CN 212901467U
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- 239000002028 Biomass Substances 0.000 title claims abstract description 61
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 101
- 239000000779 smoke Substances 0.000 claims abstract description 78
- 238000002485 combustion reaction Methods 0.000 claims abstract description 36
- 239000000446 fuel Substances 0.000 claims abstract description 25
- 239000002828 fuel tank Substances 0.000 claims abstract description 11
- 238000007599 discharging Methods 0.000 claims abstract description 4
- 238000010521 absorption reaction Methods 0.000 claims description 10
- 239000012717 electrostatic precipitator Substances 0.000 claims description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 7
- 239000003546 flue gas Substances 0.000 description 7
- 239000007789 gas Substances 0.000 description 6
- 241000208125 Nicotiana Species 0.000 description 3
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 description 1
- 244000082204 Phyllostachys viridis Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910001424 calcium ion Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910001425 magnesium ion Inorganic materials 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000008234 soft water Substances 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Solid-Fuel Combustion (AREA)
Abstract
The utility model discloses a novel water and fire tube living beings chain grate steam boiler, include: a biomass fuel tank; the screw conveying device is communicated with the biomass fuel tank to receive biomass fuel; the chain grate is communicated with the discharging end of the spiral conveying device to receive the biomass fuel; the chain grate stoker is arranged in the combustion cavity body; the ash hopper is communicated with the combustion cavity body to contain ash falling from the chain grate; the first water tank is fixedly arranged above the combustion cavity body; the second water tank is fixedly arranged on one side of the combustion cavity body; a first heat collecting region located between the first water tank and the second water tank in the combustion chamber body; the smoke pipe is communicated with the first water tank; and the chimney is communicated with the smoke exhaust end of the smoke pipe. The steam boiler is provided with two sets of water tanks with independent functions, so that the steam boiler can supply boiler steam and boiler hot water.
Description
Technical Field
The utility model relates to a biomass fuel boiler technical field, concretely relates to novel water and fire tube living beings chain grate steam boiler.
Background
The biomass boiler is a kind of boiler, the boiler using biomass energy as fuel is called as biomass boiler, the conventional biomass boiler includes feeding system, combustion system and smoke wind system, the feeding system transmits biomass fuel to the combustion system, the biomass fuel is combusted in the combustion system and exchanges heat, the generated smoke is discharged into atmosphere after being processed by the smoke wind system, and the slag of a small amount of biomass fuel after being combusted is collected.
However, the existing biomass boilers can only supply water or steam in actual use, and often require both boiler steam and boiler hot water in use.
For example, chinese utility model patent application No. CN201920287025.2 discloses a steam boiler burning biomass gas, including boiler body and the combustion chamber that arrange from top to bottom respectively, the boiler body includes the exhaust flue that communicates with the combustion chamber and is used for the boiler section of thick bamboo of dress water, is equipped with the exhaust port on the exhaust flue, and the exhaust port is established on boiler body front end side wall upper portion. The boiler barrel is positioned at the upper side and the lower side of the smoke exhaust channel, a large number of water-cooled wall tubes communicated with the boiler barrel are distributed in the smoke exhaust channel, and a steam outlet is arranged on the upper boiler barrel. The biomass gas burner is characterized in that a biomass gas burner is installed at the gas inlet end of the combustion chamber, and the biomass gas burner is located on the front end furnace wall of the boiler combustion chamber. And a secondary air interface is arranged at the joint of the combustion chamber and the smoke exhaust channel, namely the rear side wall of the combustion chamber.
The above prior art discloses a biomass gas fired steam boiler, which has the technical problems mentioned above in the practical application process.
Based on the above-mentioned technical problem that prior art exists, the utility model provides a novel water and fire tube living beings chain grate steam boiler.
SUMMERY OF THE UTILITY MODEL
The utility model provides a novel water and fire tube living beings chain grate steam boiler makes through setting up the independent water tank of two sets of functions steam boiler can enough supply boiler steam also can supply boiler hot water.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a novel water-fire tube biomass chain grate steam boiler comprises:
the biomass fuel tank is used for storing biomass fuel;
the screw conveying device is communicated with the biomass fuel tank to receive biomass fuel;
the chain grate is communicated with the discharging end of the spiral conveying device to receive the biomass fuel;
the chain grate stoker is arranged in the combustion cavity body;
the ash hopper is communicated with the combustion cavity body to contain ash falling from the chain grate;
the first water tank is fixedly arranged above the combustion cavity body, and a steam outlet is formed in the first water tank;
the second water tank is fixedly arranged on one side of the combustion cavity body;
a first heat collecting region located between the first water tank and the second water tank in the combustion chamber body;
the smoke pipe is communicated with the first water tank, and the smoke inlet end of the smoke pipe is communicated with the first heat collecting area to obtain high-temperature smoke;
and the chimney is communicated with the smoke exhaust end of the smoke pipe.
Furthermore, the bottom end of the chain grate is provided with a plurality of air supply pipes, flow control valves are arranged on the air supply pipes, and the air supply pipes are communicated with an air feeder.
Furthermore, the first water tank is also communicated with a first smoke collecting box and a second smoke collecting box, a first heat exchange smoke pipe of the smoke pipe is communicated between the first heat collecting area and the first smoke collecting box, a second heat exchange smoke pipe of the smoke pipe is communicated between the first smoke collecting box and the second smoke collecting box, and the second smoke collecting box is communicated with the chimney.
Furthermore, the first water tank is also communicated with a water inlet pipe, a water outlet pipe, a maintenance population and a pressure gauge.
Furthermore, the second water tank comprises a heat exchange water pipe arranged in the second smoke collecting tank, a hot water outlet communicated with the heat exchange water pipe and a cold water inlet communicated with the second water tank.
Furthermore, the chimney is also communicated with an induced draft fan and an electrostatic dust collector.
Furthermore, the bottom end of the first water tank is provided with a wave-shaped first heat absorption wall.
Furthermore, the bottom of second water tank is equipped with the second heat absorption wall of wave type.
Compared with the prior art, the utility model discloses a superior effect lies in:
1. novel water and fire tube biomass chain grate steam boiler, through the cooperation setting of biomass fuel tank, screw conveyor, chain grate, first water tank, second water tank, tobacco pipe and chimney, make steam boiler can enough supply boiler steam also can supply boiler hot water.
2. Novel water and fire tube biomass chain grate steam boiler, through the cooperation setting of first heat accumulation district, first smoke collection case, second smoke collection case, heat transfer water pipe, first heat transfer tobacco pipe and second heat transfer tobacco pipe, the heat that makes biomass fuel produce is absorbed many times, has avoided thermal waste.
3. Novel water and fire tube biomass chain grate steam boiler set up through the cooperation of first heat absorption wall and second heat absorption wall, make the heated area increase of first water tank and second water tank, improved the efficiency of heating.
Drawings
Fig. 1 is a schematic structural diagram of a novel water-fire tube biomass chain grate steam boiler in the embodiment of the invention.
In the figure: 1-biomass fuel tank, 2-spiral conveying device, 3-chain grate, 31-blast pipe, 32-flow control valve, 33-blower, 4-combustion chamber body, 5-ash bucket, 6-first water tank, 61-steam outlet, 62-first smoke collecting box, 63-second smoke collecting box, 64-first heat absorption wall, 65-water inlet pipe, 66-drain pipe, 67-maintenance population, 68-pressure gauge, 7-second water tank, 71-heat exchange water pipe, 72-hot water outlet, 73-cold water inlet, 74-second heat absorption wall, 8-first heat collection area, 9-smoke pipe, 91-first heat exchange smoke pipe, 92-second heat exchange smoke pipe, 10-chimney and 101-induced draft fan.
Detailed Description
In order to make the above objects, features and advantages of the present invention more clearly understood, the following detailed description of the present invention is made in conjunction with the accompanying drawings and the detailed description, it is to be noted that the features of the embodiments and examples of the present invention may be combined with each other without conflict.
Examples
As shown in fig. 1, a novel water-fire tube biomass chain grate steam boiler comprises:
a biomass fuel tank 1 for storing biomass fuel;
the screw conveying device 2 is communicated with the biomass fuel tank 1 to receive biomass fuel;
the chain grate 3 is communicated with the discharging end of the spiral conveying device 2 to receive biomass fuel;
the chain grate stoker 3 is arranged in the combustion chamber body 4;
the ash hopper 5 is communicated with the combustion chamber body 4 to contain ash falling from the chain grate 3;
the first water tank 6 is fixedly arranged above the combustion chamber body 4, and a steam outlet 61 is formed in the first water tank 6;
the second water tank 7 is fixedly arranged on one side of the combustion cavity body 4;
a first heat collecting area 8 located between the first water tank 6 and the second water tank 7 in the combustion chamber body 4;
the smoke tube 9 is communicated in the first water tank 6, and the smoke inlet end of the smoke tube 9 is communicated with the first heat collecting area to obtain high-temperature smoke;
the chimney 10 is communicated with the smoke exhaust end of the smoke tube 9;
wherein the biomass fuel in the biomass fuel tank 1 enters the traveling grate 3 in the combustion chamber body 4 through the spiral delivery mechanism 2 to be combusted, the high-temperature flue gas generated by the combustion is concentrated in the first heat collecting area 8, the high-temperature flue gas exchanges heat with the water in the first water tank 6 through the smoke pipe 9 to enable the first water tank 6 to generate high-temperature steam, the heat of the high-temperature flue gas is absorbed after passing through the smoke pipe 9, and the high-temperature flue gas is exhausted to the atmosphere through the chimney 10, in addition, the outer walls of the first water tank 6 and the second water tank 7 are close to flames generated by the biomass fuel on the chain grate 3, the flames heat the water in the first water tank 6 and the second water tank 7 in a heat radiation mode, the first water tank is used for providing high-temperature steam, and the second water tank 7 is used for providing hot water.
The bottom end of the chain grate 3 is provided with a plurality of air supply pipes 31, flow control valves 32 are arranged on the air supply pipes, and the air supply pipes 31 are communicated with an air feeder 33.
The chimney 10 is also communicated with an induced draft fan 101 and an electrostatic precipitator.
The first water tank is also communicated with a water inlet pipe 65, a water outlet pipe 66, a maintenance population 67 and a pressure gauge 68.
And an igniter is arranged on the chain grate 3 and is used for igniting the biomass fuel.
In order to observe the fire and the combustion condition of the biomass fuel, the combustion chamber body 4 is further provided with an observation window (not shown in the figure).
In order to adjust the conveying amount of the biomass fuel, a speed regulating motor is adopted as a driving motor of the spiral conveying device 2.
In this embodiment, the screw conveyor 2 extends into the combustion chamber body 4 so that the biomass fuel in the screw conveyor 2 is preheated by the heat in the combustion chamber body 4, and the biomass fuel is easier to burn.
As an improvement of this embodiment, the first water tank 6 is further communicated with a first smoke collecting box 62 and a second smoke collecting box 63, a first heat exchange smoke pipe 91 of the smoke pipe 9 is communicated between the first heat collecting area 8 and the first smoke collecting box 62, a second heat exchange smoke pipe 92 of the smoke pipe 9 is communicated between the first smoke collecting box 62 and the second smoke collecting box 63, the second smoke collecting box 63 is communicated with the chimney 10, the high-temperature smoke in the first heat collecting area 8 undergoes two-stage heat exchange, the high-temperature smoke undergoes first heat exchange in the first heat exchange smoke pipe 91, the high-temperature smoke undergoes second heat exchange in the second heat exchange smoke pipe 92, and after the two heat exchanges, the smoke losing heat enters the chimney 10 through the second smoke collecting box 63 and is exhausted to the atmosphere.
In the actual use process, the flue gas still carries a large amount of heat after entering the second smoke collecting box 63, and in order to utilize the heat, the second water tank 7 comprises a heat exchange water pipe 71 arranged in the second smoke collecting box 63, a hot water outlet 72 communicated with the heat exchange water pipe 71, and a cold water inlet 73 communicated with the second water tank 7, wherein the second water tank 7 is used for outputting hot water, the water in the second water tank 7 is heated by flame generated by biomass fuel and heat radiation of high-temperature flue gas in the first heat collecting area 8, and then is heated by the flue gas in the second smoke collecting box 63, and the cold water inlet 73 is further communicated with a soft water device to prevent calcium and magnesium ions in the second water tank 7 from scaling.
As another modification of this embodiment, the bottom end of the first water tank 6 is provided with a first heat absorption wall 64 of a wave shape, and the bottom end of the second water tank 7 is provided with a second heat absorption wall 74 of a wave shape, so that the heat receiving area is increased by the wave shape structure.
The present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only for illustrating the principle of the present invention, without departing from the spirit and scope of the present invention, the present invention can also have various changes and improvements, and these changes and improvements all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims.
Claims (8)
1. A novel water-fire tube biomass chain grate steam boiler is characterized by comprising:
the biomass fuel tank is used for storing biomass fuel;
the screw conveying device is communicated with the biomass fuel tank to receive biomass fuel;
the chain grate is communicated with the discharging end of the spiral conveying device to receive the biomass fuel;
the chain grate stoker is arranged in the combustion cavity body;
the ash hopper is communicated with the combustion cavity body to contain ash falling from the chain grate;
the first water tank is fixedly arranged above the combustion cavity body, and a steam outlet is formed in the first water tank;
the second water tank is fixedly arranged on one side of the combustion cavity body;
a first heat collecting region located between the first water tank and the second water tank in the combustion chamber body;
the smoke pipe is communicated with the first water tank, and the smoke inlet end of the smoke pipe is communicated with the first heat collecting area to obtain high-temperature smoke;
and the chimney is communicated with the smoke exhaust end of the smoke pipe.
2. The novel water-fire tube biomass chain grate steam boiler according to claim 1, wherein a plurality of air supply pipes are arranged at the bottom end of the chain grate, flow control valves are arranged on the air supply pipes, and a blower is communicated with the air supply pipes.
3. The new water-fire tube biomass chain grate steam boiler of claim 2, wherein the first water tank is further communicated with a first smoke collecting box and a second smoke collecting box, the first heat exchange smoke tube of the smoke tube is communicated between the first heat collecting area and the first smoke collecting box, the second heat exchange smoke tube of the smoke tube is communicated between the first smoke collecting box and the second smoke collecting box, and the second smoke collecting box is communicated with the chimney.
4. The novel water-fire tube biomass chain grate steam boiler of claim 3, wherein the first water tank is further communicated with a water inlet pipe, a water outlet pipe, a service population and a pressure gauge.
5. The novel water-fire tube biomass chain grate steam boiler of claim 4, wherein the second water tank comprises a heat exchange water pipe arranged in the second smoke collecting tank, a hot water outlet communicated with the heat exchange water pipe and a cold water inlet communicated with the second water tank.
6. The novel water-fire tube biomass chain grate steam boiler of claim 5, wherein the chimney is further communicated with an induced draft fan and an electrostatic precipitator.
7. The novel water-fire tube biomass chain grate steam boiler of claim 6, wherein the bottom end of the first water tank is provided with a first heat absorption wall in a wave shape.
8. The new water-fire tube biomass chain grate steam boiler of claim 7, wherein the bottom end of the second water tank is provided with a second heat absorption wall in a wave shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021521906.5U CN212901467U (en) | 2020-07-28 | 2020-07-28 | Novel water-fire tube biomass chain grate steam boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021521906.5U CN212901467U (en) | 2020-07-28 | 2020-07-28 | Novel water-fire tube biomass chain grate steam boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212901467U true CN212901467U (en) | 2021-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021521906.5U Active CN212901467U (en) | 2020-07-28 | 2020-07-28 | Novel water-fire tube biomass chain grate steam boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212901467U (en) |
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2020
- 2020-07-28 CN CN202021521906.5U patent/CN212901467U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A new type of water fire tube biomass chain grate steam boiler Effective date of registration: 20220928 Granted publication date: 20210406 Pledgee: Baotou Wenhua Road Sub branch of Bank of Inner Mongolia Co.,Ltd. Pledgor: Inner Mongolia Shuangling Boiler Manufacturing Co.,Ltd. Registration number: Y2022150000107 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20231211 Granted publication date: 20210406 Pledgee: Baotou Wenhua Road Sub branch of Bank of Inner Mongolia Co.,Ltd. Pledgor: Inner Mongolia Shuangling Boiler Manufacturing Co.,Ltd. Registration number: Y2022150000107 |