CN107699286B - Biomass fuel anti-coking gasification combustion furnace - Google Patents
Biomass fuel anti-coking gasification combustion furnace Download PDFInfo
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- CN107699286B CN107699286B CN201711087891.9A CN201711087891A CN107699286B CN 107699286 B CN107699286 B CN 107699286B CN 201711087891 A CN201711087891 A CN 201711087891A CN 107699286 B CN107699286 B CN 107699286B
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- storage tank
- water storage
- combustion
- combustion mechanism
- biomass fuel
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- 238000002485 combustion reaction Methods 0.000 title claims abstract description 87
- 239000000446 fuel Substances 0.000 title claims abstract description 32
- 239000002028 Biomass Substances 0.000 title claims abstract description 27
- 238000004939 coking Methods 0.000 title claims abstract description 22
- 238000002309 gasification Methods 0.000 title claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 48
- 239000007788 liquid Substances 0.000 claims abstract description 4
- 238000003756 stirring Methods 0.000 claims description 32
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 5
- 230000003749 cleanliness Effects 0.000 abstract description 4
- 230000007306 turnover Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 16
- 239000012535 impurity Substances 0.000 description 6
- 239000002956 ash Substances 0.000 description 5
- 239000002737 fuel gas Substances 0.000 description 4
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 239000003351 stiffener Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000000571 coke Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/72—Other features
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/72—Other features
- C10J3/82—Gas withdrawal means
- C10J3/84—Gas withdrawal means with means for removing dust or tar from the gas
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2200/00—Details of gasification apparatus
- C10J2200/15—Details of feeding means
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0913—Carbonaceous raw material
- C10J2300/0916—Biomass
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0913—Carbonaceous raw material
- C10J2300/0916—Biomass
- C10J2300/092—Wood, cellulose
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0913—Carbonaceous raw material
- C10J2300/0946—Waste, e.g. MSW, tires, glass, tar sand, peat, paper, lignite, oil shale
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0953—Gasifying agents
- C10J2300/0956—Air or oxygen enriched air
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Solid-Fuel Combustion (AREA)
Abstract
The invention provides a biomass fuel anti-coking gasification combustion furnace, which comprises a combustion mechanism, a feeding mechanism, an ignition mechanism and a water storage tank, wherein the combustion mechanism is arranged on the combustion mechanism; the feeding mechanism is arranged on the side surface of the combustion mechanism; the ignition mechanism provides high-temperature anaerobic gas into the combustion mechanism; the water storage tank is arranged below the combustion mechanism, and the lower surface of the combustion mechanism is arranged in an open way and submerged below the liquid level of the water storage tank; the combustion mechanism comprises a gas pipeline, one end of the gas pipeline extends into the combustion mechanism, and the other end of the gas pipeline is externally connected with an induced air device. The biomass fuel anti-coking gasification combustion furnace provided by the invention has the advantages that: can effectively prevent the coking of combustion mechanism bottom, the operation is stable, and gas cleanliness is high, and the business turn over material is convenient, has good spreading value.
Description
Technical Field
The invention relates to a biomass fuel combustion furnace, in particular to a biomass fuel coking-preventing gasification combustion furnace.
Background
The biomass fuel is granular fuel obtained by crushing, mixing, extruding, drying and other steps of agricultural and forestry waste, has high heat value, small pollution and reproducibility, is an ideal alternative energy at present, and can be further processed and gasified for use according to the needs in actual use, so that a special gasification combustion furnace is needed, but ash and tar are generated after the biomass fuel is gasified, the bottom of the combustion furnace is easy to coke, the inside of the combustion furnace is difficult to clean, and the combustion furnace is difficult to use after long-term accumulation of coking.
Disclosure of Invention
The invention aims to provide a biomass fuel gasification combustion furnace capable of preventing coking.
The invention solves the technical problems through the following technical scheme:
A biomass fuel coking-preventing gasification combustion furnace comprises a combustion mechanism, a feeding mechanism, an ignition mechanism and a water storage tank;
the feeding mechanism is arranged on the side surface of the combustion mechanism;
The ignition mechanism provides high-temperature anaerobic gas into the combustion mechanism;
The water storage tank is arranged below the combustion mechanism, and the lower surface of the combustion mechanism is arranged in an open way and submerged below the liquid level of the water storage tank;
the combustion mechanism comprises a gas pipeline, one end of the gas pipeline extends into the combustion mechanism, and the other end of the gas pipeline is externally connected with an induced air device.
Preferably, the combustion mechanism is a tank with uniform width along the vertical direction.
Preferably, the feeding mechanism comprises a hopper and an auger conveyor, wherein a discharge hole is formed in the bottom of the hopper, the bottom of the hopper is inclined towards the discharge hole, the auger conveyor is arranged at the discharge hole of the hopper, and an outlet of the auger conveyor is arranged inside the combustion mechanism.
Preferably, the auger conveyor is provided with a driving shaft penetrating through the length direction of the auger conveyor, and the driving shaft extends out of the tail end of the auger conveyor and is connected with driving equipment to drive the auger to rotate.
Preferably, the tail end of the inner side of the dragon conveyor is also provided with a bearing, and the driving shaft is fixedly matched with the bearing inner ring.
Preferably, a circular track is arranged on the lower surface of the water storage tank, a plurality of rollers rotating along a vertical surface are uniformly arranged below the water storage tank along the track, the rollers are matched with the track, and the water storage tank can rotate in a horizontal plane.
Preferably, a stirring column is vertically arranged in the middle of the water storage tank, a plurality of fan-shaped stirring sheets are uniformly arranged along the outer surface of the stirring column, and the stirring column can synchronously rotate along with the water storage tank.
Preferably, a conical protrusion is fixedly arranged on the stirring column, and the outer edge of the conical protrusion extends out of the stirring column.
Preferably, the stirring column is a hollow cylinder, gaps are arranged at the joint of the upper end of the stirring column and the conical bulge at intervals, and the gas pipeline is arranged in the stirring column.
Preferably, the water storage tank is of an inverted truncated cone-shaped structure, and the bottom surface of the water storage tank is larger than the bottom surface of the combustion mechanism.
The biomass fuel anti-coking gasification combustion furnace provided by the invention has the advantages that: ① The water storage tank is arranged at the bottom of the combustion mechanism, so that ashes and tar after combustion fall into water, and coking at the bottom of the combustion mechanism is prevented; ② The auger conveyor provides fuel to the inside of the combustion mechanism, so that fuel blockage is effectively prevented, and normal material supply is ensured; ③ The driving shaft is matched with the bearing, so that the stability of the rotation of the auger is improved, and the friction force is reduced; ④ The water storage tank can rotate along the bottom surface, and meanwhile, the stirring column with the stirring piece is arranged in the middle of the water storage tank, so that tar and ash in water can move to the edge of the water storage tank under the action of centrifugal force along with the rotation of the water storage tank, and combustion waste is conveniently removed; ⑤ The stirring post is inside to be provided with the gas pipeline, and stirring post top is provided with the toper arch, can play the effect of guide, can prevent again that the material from getting into inside the stirring post, improves the cleanliness of gas.
The biomass fuel anti-coking gasification combustion furnace provided by the invention can effectively prevent the bottom of a combustion mechanism from coking, is stable in operation, high in gas cleanliness, convenient in feeding and discharging and has good popularization value.
Drawings
FIG. 1 is a schematic diagram of a biomass fuel anti-coking gasification burner provided by an embodiment of the invention;
FIG. 2 is a cross-sectional view of a dragon conveyor of a biomass fuel anti-coking gasification combustion furnace provided by an embodiment of the invention;
fig. 3 is a cross-sectional view of a biomass fuel anti-coking gasification burner provided by an embodiment of the invention.
Detailed Description
The present invention will be further described in detail below with reference to specific embodiments and with reference to the accompanying drawings, in order to make the objects, technical solutions and advantages of the present invention more apparent.
As shown in fig. 1, the biomass fuel anti-coking gasification combustion furnace comprises a combustion mechanism 1, a feeding mechanism 2, an ignition mechanism 3 and a water storage tank 4. The combustion mechanism 1 is a tank body with consistent width along the vertical direction, and the feeding mechanism 2 is arranged on the side surface of the combustion mechanism 1; the ignition mechanism 3 provides high-temperature anaerobic gas from the side surface to the combustion mechanism 1, so that biomass fuel is fully gasified in the combustion mechanism 1 under high-temperature anaerobic condition to generate fuel gas; the water storage tank 4 is arranged below the combustion mechanism 1, the lower surface of the combustion mechanism 1 is open, and the water storage tank 4 is submerged below the liquid level. The combustion mechanism 1 is internally provided with a gas pipeline 11, one end of the gas pipeline 11 extends into the combustion mechanism 1, and the other end is externally connected with an induced air device to extract gas.
The feeding mechanism 2 comprises a hopper 21 and an auger conveyor 22, a discharge hole is formed in the bottom of the hopper 21, the bottom of the hopper 21 is inclined to the discharge hole so that biomass fuel can automatically fall to the discharge hole, the auger conveyor 22 is arranged at the discharge hole of the hopper 21, and an outlet of the auger conveyor 22 is arranged in the combustion mechanism 1. The auger conveyor is provided with a driving shaft 23 penetrating through the length direction of the auger conveyor, and the auger is spirally arranged along the driving shaft 23; the driving shaft 23 extends to the outside of the tail end of the auger conveyor 22 and is connected with a driving device to drive the auger conveyor 22 to rotate, so that biomass fuel is conveyed into the combustion mechanism 1, the auger conveyor 22 continuously rotates when the combustion furnace works, the fuel cannot be accumulated at the discharge port of the hopper 21, the stability of material supply is ensured, air accumulation and open fire in the combustion mechanism 1 are prevented, and the safety is improved.
Referring to fig. 2, a notch is formed at the front end of the driving shaft 23 to facilitate an external driving device to cooperate to drive the auger conveyor 22 to rotate, at least one bearing 24 is disposed at the inner tail end of the auger conveyor 22, an inner ring of the bearing 24 is fixedly engaged with the driving shaft 23, and an outer ring is fixedly engaged with the tail end of the auger conveyor 22; in a preferred embodiment two such bearings 24 are provided to improve stability of the drive shaft 23 and reduce friction.
Referring to fig. 3, a circular rail 41 is disposed below the bottom surface of the water storage tank 4, a plurality of rollers 42 rotating along a vertical plane are uniformly disposed at the bottom of the water storage tank 4, the rollers 42 are matched with the rail 41, and the water storage tank 4 can rotate along a horizontal plane. The bottom surface of the water storage tank 4 is vertically provided with a stirring column 43 upwards, the outer surface of the stirring column 43 is uniformly provided with a plurality of flabellum-shaped stirring blades 431, the stirring column 43 can rotate along with the water storage tank 4, impurities such as water, ashes and the like in the water storage tank 4 can also rotate along with the water storage tank 4, and move to water storage tank 4 outside under centrifugal force effect, water storage tank 4 is the structure of falling round platform, and the bottom surface of water storage tank 4 is greater than the bottom surface of combustion mechanism 1, and impurity such as ashes pile up the back at the edge of water storage tank 4, can use the spade to detach impurity to guarantee that water storage tank 4 can not block up.
The stirring column 43 is also fixedly provided with a conical bulge 44 above, the outer edge of the conical bulge 44 exceeds the edge of the stirring column 43, so that a material guiding inclined plane is formed, impurities after combustion are guided into the water storage tank 4, the stirring column 43 is a hollow cylinder, a gap 432 is formed at the joint of the upper end of the stirring column 43 and the conical bulge 44 at intervals, the air inlet of the gas pipeline 11 is arranged in the stirring column 43, so that gas is pumped out from the combustion mechanism 1 through the gap 432, and the impurities are prevented from entering the gas pipeline 11 by the conical bulge 44, so that the cleanliness of the gas is improved.
Referring to fig. 1 again, the combustion furnace further comprises a supporting frame 5, and the roller 42 is fixed by a clamping part 51 and can rotate around a fixed shaft; the clamping portion 51 extends downward to be fixed on the bottom surface of the supporting frame 5. The bottom surface of support frame 5 is rectangular structure, looks along vertical direction, is provided with a stiffener 52 in the crossing department of hopper 21 and combustion mechanism 1, support frame 5 is respectively upwards vertically at the both ends of two minor faces and the both ends of stiffener 52 and is provided with a bracing piece 53, four bracing pieces 53 of hopper 21 one side with the bottom surface fixed connection of hopper 21, four bracing pieces of combustion mechanism 1 side are provided with the dead lever 54 to the extension of combustion mechanism 1 direction evenly fix the surface of combustion mechanism 1 to with the combustion furnace is fixed into a whole, improves the stability of combustion furnace.
When the biomass fuel anti-coking gasification combustion furnace provided by the invention is used, biomass fuel is poured into the hopper 21, the biomass fuel is conveyed into the combustion mechanism 1 through the dragon conveyor 22, high-temperature anaerobic air is conveyed into the combustion mechanism 1 through the ignition device 3, so that the fuel is subjected to anaerobic combustion in the combustion mechanism 1 to generate fuel gas, the fuel gas is led away through the fuel gas pipeline 11, the burnt impurities are discharged through the water storage tank 4, coking is prevented from forming at the bottom of the combustion mechanism 1, and meanwhile, the effect of sealing the combustion mechanism 1 is achieved.
While the foregoing is directed to embodiments of the present invention, other and further details of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow.
Claims (5)
1. A biomass fuel anti-coking gasification combustion furnace is characterized in that: comprises a combustion mechanism, a feeding mechanism, an ignition mechanism and a water storage tank;
the feeding mechanism is arranged on the side surface of the combustion mechanism;
The ignition mechanism provides high-temperature anaerobic gas into the combustion mechanism;
The water storage tank is arranged below the combustion mechanism, and the lower surface of the combustion mechanism is arranged in an open way and submerged below the liquid level of the water storage tank;
The combustion mechanism comprises a gas pipeline, one end of the gas pipeline extends into the combustion mechanism, and the other end of the gas pipeline is externally connected with an induced air device;
The lower surface of the water storage tank is provided with a circular track, a plurality of rollers rotating along a vertical surface are uniformly arranged below the water storage tank along the track, the rollers are matched with the track, and the water storage tank can rotate in a horizontal plane;
A stirring column is vertically arranged in the middle of the water storage tank, a plurality of fan-shaped stirring sheets are uniformly arranged along the outer surface of the stirring column, and the stirring column can synchronously rotate along with the water storage tank;
The stirring column is fixedly provided with a conical bulge, and the outer edge of the conical bulge extends out of the stirring column;
The stirring column is a hollow cylinder, gaps are arranged at the joint of the upper end of the stirring column and the conical bulge at intervals, and the gas pipeline is arranged in the stirring column;
the water storage tank is of an inverted truncated cone-shaped structure, and the bottom surface of the water storage tank is larger than the bottom surface of the combustion mechanism.
2. The biomass fuel anti-coking gasification combustion furnace according to claim 1, wherein: the combustion mechanism is a tank body with consistent width along the vertical direction.
3. The biomass fuel anti-coking gasification combustion furnace according to claim 1, wherein: the feeding mechanism comprises a hopper and an auger conveyor, a discharge hole is formed in the bottom of the hopper, the bottom of the hopper is inclined to the discharge hole, the auger conveyor is arranged at the discharge hole of the hopper, and an outlet of the auger conveyor is arranged inside the combustion mechanism.
4. A biomass fuel anti-coking gasification combustion furnace according to claim 3, wherein: the auger conveyor is provided with a driving shaft penetrating through the length direction of the auger conveyor, and the driving shaft extends out of the tail end of the auger conveyor and is connected with driving equipment to drive the auger to rotate.
5. The biomass fuel anti-coking gasification combustion furnace according to claim 4, wherein: the inside tail end of the dragon conveyer is provided with at least one bearing, and the driving shaft is fixedly matched with the bearing inner ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711087891.9A CN107699286B (en) | 2017-11-08 | 2017-11-08 | Biomass fuel anti-coking gasification combustion furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711087891.9A CN107699286B (en) | 2017-11-08 | 2017-11-08 | Biomass fuel anti-coking gasification combustion furnace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107699286A CN107699286A (en) | 2018-02-16 |
| CN107699286B true CN107699286B (en) | 2024-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711087891.9A Active CN107699286B (en) | 2017-11-08 | 2017-11-08 | Biomass fuel anti-coking gasification combustion furnace |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN205933763U (en) * | 2016-08-23 | 2017-02-08 | 张卓宾 | Biomass gasifying and combustion boiler |
| CN207596796U (en) * | 2017-11-08 | 2018-07-10 | 安徽上元绿能科技有限公司 | A kind of biomass fuel anti-coking gasification combustion furnace |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2824229A1 (en) * | 2010-12-28 | 2012-07-05 | Zhuhong Wang | An anti-scorification oven |
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2017
- 2017-11-08 CN CN201711087891.9A patent/CN107699286B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004143204A (en) * | 2002-10-22 | 2004-05-20 | Sanyo Juko Kk | Gasifier of solid biomass fuel |
| CN201069177Y (en) * | 2007-08-01 | 2008-06-04 | 张玉国 | Energy-saving environment protection straw gasification furnace |
| CN101709230A (en) * | 2009-12-07 | 2010-05-19 | 颜世光 | One-segment type energy saving coal gas producer with performance of two-segment producer |
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| CN107699286A (en) | 2018-02-16 |
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