CN220152724U

CN220152724U - Biomass gas boiler

Info

Publication number: CN220152724U
Application number: CN202321562632.8U
Authority: CN
Inventors: 卢东营; 郑重夷
Original assignee: Jiaxing Tingyuan Agriculture And Forestry Development Co ltd
Current assignee: Jiaxing Tingyuan Agriculture And Forestry Development Co ltd
Priority date: 2023-06-17
Filing date: 2023-06-17
Publication date: 2023-12-08
Anticipated expiration: 2033-06-17

Abstract

The utility model relates to a biomass gas boiler, which comprises a gasification chamber, wherein one end of the gasification chamber is provided with a feed pipeline, the gasification chamber is connected with a preheating barrel through the feed pipeline, the other end of the gasification chamber is provided with a gas pipeline, the gasification chamber is connected with the boiler through the gas pipeline, one end of the boiler, which is away from the gas pipeline, is connected with a first exhaust pipeline, the boiler is connected with a gas pipeline, the gas pipeline is connected and communicated with the boiler, and one end of the gas pipeline is connected with a gas pump. The utility model has the advantage of reducing the probability of insufficient combustion.

Description

Biomass gas boiler

Technical Field

The utility model relates to the field of boilers, in particular to a biomass gas boiler.

Background

The coal-fired boiler has the defects of exceeding emission standard and serious pollution, and the resources are limited and not renewable, while the biomass boiler is produced by adopting plant straws, weed wood and grain shells as raw materials, and the biomass boiler has the advantages of wide raw material sources, convenient acquisition, reproducibility and low use cost. The energy utilization structure is changed, the utilization rate of renewable energy sources is improved, and the situation of shortage of primary energy supply and demand is greatly relieved.

The traditional Chinese patent of publication No. CN215799336U discloses a high-efficiency energy-saving modular biomass gasifier, which comprises a gasification assembly, wherein the gasification assembly comprises a feeding assembly, a gasification chamber and a burner; the feeding assembly comprises a pusher and a preheating barrel arranged at the upper end of the pusher, and the pusher is arranged at the feeding end of the gasification chamber; the exhaust end of the gasification chamber is provided with a gas pipe, the tail end of the gas pipe is provided with a burner, and a heat transfer pipeline is arranged between the flue gas economizer and the preheating barrel.

In the related art, one end of the heat utilization device is connected with a burner, the burner provides heat for the heat utilization device, but the heat utilization device is not connected with an air supply pipeline, and the combustion is easy to be insufficient only by virtue of combustion-supporting gas in the gasification chamber.

Disclosure of Invention

The utility model provides a biomass gas boiler for reducing the probability of insufficient combustion.

The biomass gas boiler provided by the utility model adopts the following technical scheme:

the utility model provides a living beings gas boiler, includes the gasification chamber, and gasification chamber one end is connected with the preheating barrel through the charge-in pipeline, and the gasification chamber other end is connected with the boiler through the gas transmission pipeline, and boiler deviates from gas transmission pipeline one end and is connected with first exhaust duct, and gas transmission pipeline connects and communicates the boiler, and gas transmission pipeline one end is connected with the gas transmission pump.

Through adopting above-mentioned technical scheme, gas-supply pipeline provides combustible gas for the boiler, and gas-supply pipeline provides the helping gas for the boiler, and it is more abundant to make the combustible gas burn when burning in the boiler through increasing helping gas, reduces the insufficient probability of burning.

Optionally, a gas pump is arranged on the gas pipeline.

By adopting the technical scheme, the gas pump is used for pumping the combustible gas generated in the gasification chamber.

Optionally, one end of the boiler is provided with a mixing cabin, the mixing cabin is provided with an air inlet and an air outlet, the air transmission pipeline and the air transmission pipeline are connected with the air inlet, the air outlet is connected with and communicated with the boiler, the boiler is provided with an igniter, and the igniter is arranged on the inner wall of the boiler and close to the air outlet.

By adopting the technical scheme, the combustible gas and the combustion-supporting gas are mixed in the mixing cabin, and the mixed gas enters the boiler through the gas outlet, and the igniter ignites the combustible gas in the boiler.

Optionally, the air inlet is equipped with two current limiting plates, and two current limiting plates slope each other and set up relatively, and two current limiting plates one end is connected at the mixing cabin inner wall, and the other end is close to each other and forms the restriction mouth, and the restriction mouth is towards the gas outlet, is equipped with the flow distribution plate between restriction mouth and the gas outlet, and the flow distribution plate both ends are fixed at the mixing cabin inner wall.

Through adopting above-mentioned technical scheme, gas mixes through the current limiting plate, carries out through the restricted flow mouth, and gas divides flow and forms the vortex in the flow dividing plate department, further mixes gas.

Optionally, the preheating barrel is divided into an inner layer and an outer layer, a feeding pipeline is arranged on the preheating barrel, the feeding pipeline is communicated with the inner layer and the outside of the preheating barrel, and the feeding pipeline is not communicated with the outer layer space; the first exhaust duct is connected and communicated with the outer layer, and the outer layer is connected and communicated with the second exhaust duct.

Through adopting above-mentioned technical scheme, first blast pipe is with high temperature waste gas transmission to preheating barrel, and waste heat obtains make full use of when making the burning, then discharges waste gas through the second exhaust duct, and this device keeps apart inlayer and outside, reduces waste gas and gets into the gasification chamber through preheating barrel and arouses gaseous impure probability.

Optionally, the second waste discharge pipeline is connected with an exhaust gas treatment device.

By adopting the technical scheme, the waste gas generated after combustion is treated by the waste gas treatment device, so that the probability of environmental pollution caused by the waste gas is reduced.

Optionally, the preheating barrel is connected with a charging barrel through a charging pipeline, and a suction pump is arranged on the charging pipeline.

By adopting the technical scheme, materials in the charging barrel are conveyed to the preheating barrel through the material suction pump by the material feeding pipeline, and the device saves human resources.

Optionally, the preheating barrel is arranged above the gasification chamber, and a feed valve is arranged on the feed pipeline.

By adopting the technical scheme, when the preheating barrel above the gasification chamber is opened, the material enters the gasification chamber under the influence of gravity.

Optionally, the gasification chamber is provided with a cabin door, the cabin door is hinged on the gasification chamber, and the gasification chamber is sealed by opening or closing the cabin door.

Through adopting above-mentioned technical scheme, when the gasification chamber waste residue is too much, clear up the waste residue through opening the hatch door, then close the hatch door and accomplish sealedly.

In summary, the present utility model includes at least one of the following beneficial technical effects:

1. the gas transmission pipeline provides combustible gas for the boiler, the gas supply pipeline provides auxiliary gas for the boiler, the combustion of the combustible gas is more sufficient when the auxiliary gas is added to burn in the boiler, and the probability of insufficient combustion is reduced;

2. the gas is mixed by the flow limiting plate and is delivered out through the flow limiting opening, and the gas is split at the position of the flow dividing plate to form vortex so as to further mix the gas.

Drawings

Fig. 1 is a schematic diagram of a biomass gas boiler.

Fig. 2 is a partial sectional view of a biomass gas boiler.

Fig. 3 is an enlarged view at a.

Reference numerals illustrate: 1. a gasification chamber; 2. a feed conduit; 3. preheating a barrel; 4. a gas line; 5. a boiler; 6. a first exhaust duct; 7. an air supply pipe; 8. an air supply pump; 9. a gas pump; 10. a mixing cabin; 11. an air inlet; 12. an air outlet; 13. an igniter; 14. a flow-limiting plate; 15. a diverter plate; 16. an inner layer; 17. an outer layer; 18. a feeding pipeline; 19. a second exhaust duct; 20. an exhaust gas treatment device; 21. a charging barrel; 22. a suction pump; 23. a feed valve; 24. a cabin door; 25. and a restriction orifice.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-2.

The embodiment of the utility model discloses a biomass gas boiler. Referring to fig. 1, 2 and 3, the gasification device comprises a gasification chamber 1, wherein one end of the gasification chamber 1 is connected with a preheating barrel 3 through a feeding pipeline 2, the other end of the gasification chamber 1 is connected with a boiler 5 through a gas pipeline 4, one end, away from the gas pipeline 4, of the boiler 5 is connected with a first exhaust pipeline 6, a gas pipeline 7 is connected and communicated with the boiler 5, and one end of the gas pipeline 7 is connected with a gas pump 8; the gas pipeline 4 provides combustible gas for the boiler 5, the gas pipeline 7 provides auxiliary gas for the boiler 5, the combustion of the combustible gas is more sufficient when the combustion of the auxiliary gas in the boiler 5 is performed by adding the auxiliary gas, and the probability of insufficient combustion is reduced; one end of the boiler 5 is provided with a mixing cabin 10, the mixing cabin 10 is provided with an air inlet 11 and an air outlet 12, the air transmission pipeline 4 and the air transmission pipeline 7 are connected with the air inlet 11, the air outlet 12 is connected with and communicated with the boiler 5, the boiler 5 is provided with an igniter 13, and the igniter 13 is arranged on the inner wall of the boiler 5 near the air outlet 12; the combustible gas and the combustion-supporting gas are mixed in the mixing cabin 10, and the mixed gas enters the boiler 5 through the gas outlet 12, and the igniter 13 ignites the combustible gas in the boiler 5; the air inlet 11 is provided with two flow limiting plates 14, the two flow limiting plates 14 are mutually inclined and oppositely arranged, one ends of the two flow limiting plates 14 are connected to the inner wall of the mixing cabin 10, the other ends of the two flow limiting plates are mutually close to each other and form a flow limiting port 25, the flow limiting port 25 faces the air outlet 12, a flow dividing plate 15 is arranged between the flow limiting port 25 and the air outlet 12, and two ends of the flow dividing plate 15 are fixed on the inner wall of the mixing cabin 10; the gases are mixed by the restrictor plate 14 and delivered through the restrictor 25, where the gases are split and swirled at the splitter plate 15 to further mix the gases.

Referring to fig. 1, a gas pump 9 is provided on the gas pipe 4, and the gas pump 9 is used to pump the combustible gas generated in the gasification chamber 1.

Referring to fig. 1 and 2, the preheating barrel 3 is divided into an inner layer 16 and an outer layer 17, a feeding pipeline 18 is arranged on the preheating barrel 3, the feeding pipeline 18 is communicated with the inner layer 16 and the outside of the preheating barrel 3, and the feeding pipeline 18 is not communicated with the outer layer 17 in space; the first exhaust pipe 6 is connected and communicated with the outer layer 17, and the outer layer 17 is connected and communicated with the second exhaust pipe 19; the first exhaust pipeline 6 transmits high-temperature waste gas to the preheating barrel 3, so that waste heat is fully utilized during combustion, and then the waste gas is discharged through the second exhaust pipeline 19, the device isolates the inner layer 16 from the outer layer 17, and the probability of gas impurity caused by the waste gas entering the gasification chamber 1 through the preheating barrel 3 is reduced; the second exhaust pipe 19 is connected to an exhaust gas treatment device 20; the exhaust gas generated after combustion is treated by the exhaust gas treatment device 20, so that the probability of environmental pollution caused by the exhaust gas is reduced, and the exhaust gas treatment device 20 is an SCR treatment device in the embodiment.

Referring to fig. 1 and 2, the preheating barrel 3 is connected with a charging barrel 21 through a charging pipe 18, and a suction pump 22 is arranged on the charging pipe 18; the materials in the charging barrel 21 are sucked by the material sucking pump 22 and conveyed to the preheating barrel 3 through the material feeding pipeline 18, and the device saves human resources.

Referring to fig. 1, a preheating barrel 3 is disposed above a gasification chamber 1, and a feed valve 23 is installed on a feed pipe 2; the preheating vessel 3 above the gasification chamber 1 is subjected to gravity when the feed valve 23 is opened to feed the material into the gasification chamber 1.

Referring to fig. 1, the gasification chamber 1 is provided with a hatch 24, the hatch 24 is hinged on the gasification chamber 1, and the gasification chamber 1 is sealed by opening or closing the hatch 24; when the gasification chamber 1 is excessively high in waste, the waste is cleaned by opening the cabin door 24, and then the cabin door 24 is closed to complete sealing.

The implementation principle of the embodiment of the utility model is as follows: the material in the feed cylinder 21 is conveyed to the inner layer 16 of the preheating barrel 3 through the feeding pipeline 18, then the feed valve 23 is opened, the material falls into the gasification chamber 1 due to gravity, gas generated in the gasification chamber 1 is conveyed to the gas inlet 11 through the gas conveying pipeline 4, the gas supplying pipeline 7 conveys combustion-supporting gas to the gas inlet 11 of the mixing cabin 10, the gas forms vortex under the action of the flow limiting plate 14 and the flow dividing plate 15, the boiler 5 is heated after the igniter 13 is ignited, waste gas generated during combustion is conveyed to the outer layer 17 of the preheating barrel 3 through the first exhaust pipeline 6 to preheat the material, and the waste gas is conveyed to the waste gas treatment device 20 through the second exhaust pipeline 19 on the outer layer 17.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims

1. The utility model provides a living beings gas boiler, includes gasification chamber (1), gasification chamber (1) one end is equipped with feed pipe (2), gasification chamber (1) are connected with preheating barrel (3) through feed pipe (2), gasification chamber (1) other end is equipped with gas-supply pipeline (4), gasification chamber (1) are connected boiler (5) through gas-supply pipeline (4), boiler (5) deviate from gas-supply pipeline (4) one end and are connected with first exhaust pipe (6), its characterized in that: the boiler (5) is connected with an air supply pipeline (7), the air supply pipeline (7) is connected with and communicated with the boiler (5), and one end of the air supply pipeline (7) is connected with an air supply pump (8).

2. A biomass gas boiler according to claim 1, wherein: and a gas pump (9) is arranged on the gas pipeline (4).

3. A biomass gas boiler according to claim 2, wherein: the utility model discloses a boiler, including boiler (5), gas transmission pipeline (4), gas transmission pipeline (7), gas outlet (12) are connected and are linked together boiler (5), boiler (5) are equipped with mixing cabin (10), mixing cabin (10) are equipped with air inlet (11) and gas outlet (12), gas transmission pipeline (4) and gas transmission pipeline (7) are connected with air inlet (11), gas outlet (12) are connected and are linked together boiler (5), boiler (5) are equipped with some firearm (13), some firearm (13) set up in boiler (5) inner wall be close to gas outlet (12) department.

4. A biomass gas boiler according to claim 3, wherein: the air inlet (11) is provided with two current limiting plates (14), the two current limiting plates (14) are inclined and are oppositely arranged, one ends of the two current limiting plates (14) are connected to the inner wall of the mixing cabin (10), the other ends of the two current limiting plates are close to each other and form a current limiting opening (25), the current limiting opening (25) faces the air outlet (12), a current dividing plate (15) is arranged between the current limiting opening (25) and the air outlet (12), and two ends of the current dividing plate (15) are fixed to the inner wall of the mixing cabin (10).

5. A biomass gas boiler according to claim 4, wherein: the preheating barrel (3) is divided into an inner layer (16) and an outer layer (17), a feeding pipeline (18) is arranged on the preheating barrel (3), the feeding pipeline (18) is communicated with the inner layer (16) and the outside of the preheating barrel (3), and the feeding pipeline (18) is not communicated with the outer layer (17) in space; the first exhaust pipeline (6) is connected and communicated with the outer layer (17), and the outer layer (17) is connected and communicated with the second exhaust pipeline (19).

6. A biomass gas boiler according to claim 5, wherein: the second exhaust pipe (19) is connected with an exhaust gas treatment device (20).

7. A biomass gas boiler according to claim 6, wherein: the preheating barrel (3) is connected with a charging barrel (21) through a charging pipeline (18), and a suction pump (22) is arranged on the charging pipeline (18).

8. A biomass gas boiler according to claim 7, wherein: the preheating barrel (3) is arranged above the gasification chamber (1), and the feeding valve (23) is arranged on the feeding pipeline (2).

9. A biomass gas boiler according to claim 8, wherein: the gasification chamber (1) is provided with a cabin door (24), the cabin door (24) is hinged on the gasification chamber (1), and the gasification chamber (1) is sealed by opening or closing the cabin door (24).