CN108865281B - Thin-wall high-strength crop straw gasification furnace - Google Patents
Thin-wall high-strength crop straw gasification furnace Download PDFInfo
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- CN108865281B CN108865281B CN201810785429.4A CN201810785429A CN108865281B CN 108865281 B CN108865281 B CN 108865281B CN 201810785429 A CN201810785429 A CN 201810785429A CN 108865281 B CN108865281 B CN 108865281B
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- 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
- C10J3/02—Fixed-bed gasification of lump fuel
- C10J3/20—Apparatus; Plants
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- 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
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- 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
- C10J3/74—Construction of shells or jackets
-
- 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
- C10J2200/09—Mechanical details of gasifiers not otherwise provided for, e.g. sealing means
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- 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
Abstract
The invention belongs to the technical field of gasification furnaces, and particularly relates to a thin-wall high-strength crop straw gasification furnace which comprises a furnace body, a grate, a feed inlet and an air outlet; the fire grate is positioned in the furnace body and used for stacking crop straws, and the fire grate divides the interior of the furnace body into two parts; the feed inlet is positioned above the furnace body and is used for placing crop straws into the furnace body; the gas outlet is located above the furnace body, the gas outlet is located on the right side of the feeding hole, and the gas outlet is used for discharging gasified combustible gas. The invention can improve the use performance of the gasification furnace.
Description
Technical Field
The invention belongs to the technical field of gasification furnaces, and particularly relates to a thin-wall high-strength crop straw gasification furnace.
Background
In recent years, the phenomenon of burning crop straws in some rural areas is common, so that the environment is polluted, the health of the masses is harmed, the traffic and transportation safety is seriously threatened, and the resources are wasted. In order to solve the problems of burning prohibition of straws and improvement of energy structures and ecological environments in rural areas, various straw gasification furnaces are gradually seen in the sight of people. The crop straw gasification furnace is usually heavier, thick in furnace wall, troublesome to install and consumes materials; people gradually tend to use thin-wall gasification furnaces, but the thin-wall gasification furnaces have low bearing capacity, the sealing performance of the furnace wall connecting part of the gasification furnace cannot be guaranteed, stress concentration is easy to generate, the furnace body is easy to crack, the safety cannot be guaranteed, and meanwhile the service life of the gasification furnace is influenced.
Disclosure of Invention
In order to make up the defects of the prior art, the thin-wall high-strength crop straw gasification furnace provided by the invention has the advantages that the welding pool is arranged between the furnace wall and the connecting plate, and the furnace walls are connected together in a resistance welding mode, so that the air tightness of the furnace body is improved, and the stress at the connecting part is reduced, so that the safety performance and the service life of the gasification furnace are improved; the stress-relief cavity and the overflow gap are arranged between the furnace wall and the connecting plate, so that the stress at the connecting part of the furnace wall and the connecting plate is further reduced, the connecting plate and the furnace wall are better sealed, and the service performance of the gasification furnace is improved; according to the invention, the serrated surface is arranged at the connecting part of the connecting plate and the furnace wall, so that the connecting strength of the furnace wall and the connecting plate is improved, and meanwhile, the air tightness of the furnace wall and the connecting plate is further enhanced.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a thin-wall high-strength crop straw gasification furnace, which comprises a furnace body, a grate, a feed inlet and an air outlet; the fire grate is positioned in the furnace body and used for stacking crop straws, the fire grate divides the interior of the furnace body into two parts, so that air at the lower part of the fire grate can better enter the upper part of the fire grate to react with the crop straws, the reaction efficiency is improved, and the reaction is more sufficient; the feed inlet is positioned above the furnace body and is used for placing crop straws into the furnace body; the gas outlet is positioned above the furnace body, positioned on the right side of the feed inlet and used for discharging gasified combustible gas; the furnace body comprises a furnace wall and a connecting plate; the thickness of the furnace wall is-mm, the two ends of the furnace wall and the connecting plate are welded together through resistance welding, welding wires are not needed in the resistance welding, the heating time is short, heat is concentrated, the heat affected zone is small, deformation and stress are small, the operation is simple, and the yield is high; the junction of oven and connecting plate is equipped with many parallels and welds the pond, welds the pond and is used for placing the welding flux, makes things convenient for oven and connecting plate welding together, and the setting in many parallels welds the pond has improved the gas tightness and the resistance to pressure of furnace body, and then has promoted the quality of furnace body. During operation, put into the welding flux in to welding the pond, weld oven and connecting plate together with the mode of resistance welding afterwards, make welding process short through resistance welding, welding efficiency is high, the yield is high, simultaneously because of heat concentration when resistance welding welds, thereby make the welding department heat affected zone little, the welding department warp with stress is little, the intensity of welding department has been improved, the quality of furnace body has been improved, simultaneously, the gas tightness and the pressure resistance of furnace body have been improved to the arrangement of many parallel welding ponds, make the performance of gasifier strengthen.
A plurality of stress relief cavities are also arranged between the furnace wall and the connecting plate; the stress relieving cavities and the welding pools are alternately arranged in the horizontal direction, and the stress relieving cavities are used for eliminating welding stress. During operation, the stress-relief cavity enables the connection between the furnace wall and the connecting plate to be firmer, further eliminates the influence of stress on the furnace body, enables the bearing capacity of the furnace body to be stronger, and slows down the explosion power of the furnace body.
And an overflow gap is also arranged between the welding pool and the stress relief cavity and used for realizing the sealing between the furnace wall and the connecting plate. During operation, the welding position is welded in an electric resistance welding mode, welding liquid at the welding position flows into the overflow gap, the overflow gap is sealed, sealing between the connecting plate and the furnace wall is achieved, the sealing performance is improved due to the existence of the overflow gap, and the quality of the whole furnace body is improved.
The furnace wall and the connecting plate are connected by a serrated surface, and the serrated surface is used for improving the connection strength and unloading the welding stress. During operation, the sawtooth surface has the intensity that has increased the junction between oven and the connecting plate for connecting plate and oven inseparable combination are in the same place, have uninstalled the stress of junction to a certain extent, and simultaneously, the existence of sawtooth surface makes the leakproofness of junction better, makes the wholeness of furnace body better, has improved the life of furnace body, has promoted the quality of gasifier.
A plurality of vent holes are formed in the connecting plate; the ventilation hole is positioned below the fire grate, a spiral groove is arranged in the ventilation hole, and the ventilation hole is used for introducing air into the furnace body. During operation, the ventilation hole is continuous to letting in air in the furnace body, has guaranteed that gasification is complete, abundant, and the helicla flute in the ventilation hole makes wind rotatory for during wind more convenient gets into the furnace body, reduced the pressure to wind connecting plate side production, spiral helicine wind helps the stress of uninstallation junction simultaneously, makes the oven be connected with the connecting plate more firmly.
The heating plate is also arranged at the bottom of the furnace body and used for heating and insulating the furnace body. During operation, the hot plate is used for carrying out slow heating to the furnace body for crop straw in the furnace body is in the atmosphere of a relative damp and hot, has accelerated crop straw's gasification, has improved work efficiency, and the stress of connecting plate and oven junction can be eliminated gradually in the heating of slowing simultaneously, makes the integrality that has improved whole furnace body, has improved the life of gasifier, and then has improved the quality of gasifier.
A support rod and a support piece are also arranged outside the furnace body; the supporting rods are arranged in a plurality of numbers, the supporting rods are arranged around the circumferential direction of the outer wall of the furnace body, and the bottom ends of the supporting rods are fixed on the heating plate; the supporting pieces are a plurality of in quantity, one end of each supporting piece is fixed on the corresponding supporting rod, the other end of each supporting piece is welded on the corresponding furnace body, and each supporting piece is used for fixing the corresponding furnace body. During operation, the supporting rod fixes the furnace body on the heating plate through the supporting piece, so that the stability of the furnace body is improved, and further the practicability of the furnace body is improved.
The invention has the following beneficial effects:
1. according to the thin-wall high-strength crop straw gasification furnace, the furnace wall and the connecting plate are welded through the resistance welding method, and meanwhile, the plurality of parallel welding pools are arranged between the connecting plate and the furnace wall, so that the air tightness of the furnace body is improved, the compressive strength of the furnace body is increased, the service life and the safety performance of the furnace body are effectively improved, and the practicability of the thin-wall gasification furnace is improved.
2. According to the thin-wall high-strength crop straw gasification furnace, the stress at the welding position is reduced, the toughness of the furnace body connecting position is improved, the explosion power of the furnace body is reduced, and the service life and the safety performance of the gasification furnace are further improved by arranging the stress-relief cavity between the connecting plate and the furnace wall.
3. According to the thin-wall high-strength crop straw gasification furnace, the serrated surface is arranged between the connecting plate and the furnace wall, so that the connecting strength is improved, the air tightness of the furnace body is increased, and meanwhile, the stress at the welding position is relieved, so that the gasification furnace is higher in bearing capacity and more practical.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a schematic view of the connection plate of the present invention to a furnace wall;
FIG. 4 is a schematic view of the connection of the furnace wall and the serrated surface of the connection plate in the present invention;
in the figure: the furnace comprises a furnace body 1, a fire grate 2, a feeding hole 3, an air outlet 4, a heating plate 5, a support rod 6, a support member 7, a furnace wall 11, a connecting plate 12, a welding pool 13, a stress-relief cavity 14, an overflow gap 15 and a vent hole 121.
Detailed Description
The structure of the thin-walled high-strength crop straw gasification furnace according to the embodiment of the present invention will be described below with reference to fig. 1 to 4.
As shown in fig. 1 and 2, the thin-wall high-strength crop straw gasification furnace of the present invention comprises a furnace body 1, a fire grate 2, a feed inlet 3 and an air outlet 4; the fire grate 2 is positioned in the furnace body 1, the fire grate 2 is used for stacking crop straws, the interior of the furnace body 1 is divided into two parts by the fire grate 2, air at the lower part of the fire grate 2 can better enter the upper part of the fire grate 2 to react with the crop straws, the reaction efficiency is improved, and the reaction is more sufficient; the feed inlet 3 is positioned above the furnace body 1, and the feed inlet 3 is used for placing crop straws into the furnace body 1; the gas outlet 4 is positioned above the furnace body 1, the gas outlet 4 is positioned on the right side of the feed inlet 3, and the gas outlet 4 is used for discharging gasified combustible gas; the furnace body 1 comprises a furnace wall 11 and a connecting plate 12; the thickness of the furnace wall 11 is 1-2mm, the two ends of the furnace wall 11 and the connecting plates 12 are welded together through resistance welding, welding wires are not needed in the resistance welding, the heating time is short, and heat is concentrated, so that the heat affected zone is small, the deformation and the stress are small, the operation is simple, and the yield is high; the junction of oven 11 and connecting plate 12 is equipped with many parallels and welds pond 13, welds pond 13 and is used for placing the welding flux, makes things convenient for oven 11 and connecting plate 12 welding together, and many parallels weld the setting in pond 13, have improved the gas tightness and the resistance to pressure of furnace body 1, and then have promoted the quality of furnace body 1. During operation, put into the welding flux in to welding the pond 13, weld oven 11 and connecting plate 12 together with the mode of resistance welding afterwards, make welding process short through resistance welding, the welding efficiency is high, the yield is high, simultaneously because of heat concentration when resistance welding welds, thereby make the welding department heat affected zone little, the welding department deformation is little with stress, the intensity of the welding department has been improved, the quality of furnace body 1 has been improved, simultaneously, the gas tightness and the pressure resistance of furnace body 1 have been improved to the arrangement of many parallel welding ponds 13, make the performance of gasifier strengthen.
As shown in fig. 2, a plurality of stress relief cavities 14 are also arranged between the furnace wall 11 and the connecting plate 12; the stress relieving cavities 14 are arranged alternately with the weld pools 13 in the horizontal direction, and the stress relieving cavities 14 are used for relieving welding stress. During operation, the stress-relief cavity 14 enables the connection between the furnace wall 11 and the connecting plate 12 to be firmer, further eliminates the influence of stress on the furnace body 1, enables the bearing capacity of the furnace body 1 to be stronger, and slows down the explosion power of the furnace body 1.
As shown in fig. 2, an overflow gap 15 is also provided between the weld pool 13 and the stress relief cavity 14, and the overflow gap 15 is used for sealing the furnace wall 11 and the connecting plate 12. When the furnace body 1 is in work, the welding position is welded in an electric resistance welding mode, welding liquid at the welding position flows into the overflow gap 15, so that the overflow gap 15 is sealed, the sealing between the connecting plate 12 and the furnace wall 11 is realized, the sealing performance is improved due to the existence of the overflow gap 15, and the quality of the whole furnace body 1 is improved.
As shown in FIG. 4, the connection part of the furnace wall 11 and the connecting plate 12 is a sawtooth surface which is used for improving the connection strength and unloading the welding stress. During operation, the sawtooth surface has the intensity that has increased the junction between oven 11 and the connecting plate 12 for connecting plate 12 is in the same place with the inseparable combination of oven 11, has uninstalled the stress of junction to a certain extent, and simultaneously, the existence of sawtooth surface makes the leakproofness of junction better, makes the wholeness of furnace body 1 better, has improved the life of furnace body 1, has promoted the quality of gasifier.
As shown in fig. 2 and 3, a plurality of vent holes 121 are formed in the connecting plate 12; the vent hole 121 is positioned below the fire grate 2, a spiral groove is arranged in the vent hole 121, and the vent hole 121 is used for introducing air into the furnace body 1. During operation, the ventilation hole 121 continuously lets in air to the furnace body 1, has guaranteed that gasification is complete, abundant, and the helicla flute in the ventilation hole 121 makes wind rotatory for during wind more convenient gets into furnace body 1, reduced the pressure to wind connecting plate 12 side production, spiral helicine wind helps the stress of uninstallation junction simultaneously, makes oven 11 be connected more firmly with connecting plate 12.
As shown in fig. 1, a heating plate 5 is further arranged at the bottom of the furnace body 1, and the heating plate 5 is used for heating and insulating the furnace body 1. During operation, hot plate 5 is used for carrying out slow heating to furnace body 1 for the crop straw in furnace body 1 is in a relative damp and hot atmosphere, has accelerated the gasification of crop straw, has improved work efficiency, and the stress of connecting plate 12 and oven 11 junction can be eliminated gradually in the heating of slowing simultaneously, makes the integrality that has improved whole furnace body 1, has improved the life of gasifier, and then has improved the quality of gasifier.
As shown in fig. 1 and 2, a support rod 6 and a support member 7 are further disposed outside the furnace body 1; the number of the support rods 6 is multiple, the support rods 6 are arranged around the outer wall of the furnace body 1 in the circumferential direction, and the bottom ends of the support rods 6 are fixed on the heating plate 5; the supporting pieces 7 are a plurality of in number, one end of each supporting piece 7 is fixed on the corresponding supporting rod 6, the other end of each supporting piece 7 is welded on the corresponding furnace body 1, and each supporting piece 7 is used for fixing the corresponding furnace body 1. During operation, the supporting rod 6 fixes the furnace body 1 on the heating plate 5 through the supporting piece 7, so that the stability of the furnace body 1 is improved, and further the practicability of the furnace body 1 is improved.
The specific working process is as follows:
when the furnace works, crop straws enter the furnace body 1 through the feeding hole 3, the crop straws are stacked on the fire grate 2, and the fire grate 2 divides the interior of the furnace body 1 into two parts, so that air below the fire grate 2 can enter the upper part of the fire grate 2 to react with the crop straws, the reaction efficiency is improved, and the reaction is more sufficient; air is continuously introduced into the furnace body 1 from the vent holes 121, the air is heated under the action of the heating plate 5 and finally enters the upper part of the fire grate 2 from the lower part of the fire grate 2, the hot air and the crop straws are mixed to generate a damp and hot environment, the rotting and the gasification of the crop straws are accelerated, the working efficiency is improved, and finally generated gas is discharged from the gas outlet 4. In the process, the furnace wall 11 of the furnace body 1 and the connecting plate 12 are welded together by resistance welding; when in welding, firstly, welding flux is put into the welding pool 13, and then the furnace wall 11 and the connecting plate 12 are welded together in an electric resistance welding mode, so that the welding process is short through electric resistance welding, the welding efficiency is high, the yield is high, meanwhile, the heat is concentrated when in electric resistance welding, so that the heat affected zone of the welding position is small, the deformation and the stress of the welding position are small, the strength of the welding position is improved, the quality of the furnace body 1 is improved, the air tightness and the pressure resistance of the furnace body 1 are improved through the plurality of welding pools 13 which are arranged in parallel, the bearing capacity of the furnace body 1 is further enhanced, and the quality of the furnace body 1 is; the stress-relief cavity 14 arranged between the connecting plate 12 and the furnace wall 11 ensures that the connection between the furnace wall 11 and the connecting plate 12 becomes firmer, further eliminates the influence of stress on the furnace body 1, ensures that the bearing capacity of the furnace body 1 is stronger, and slows down the explosive rupture power of the furnace body 1; during welding, the welding liquid at the welding position flows into the overflow gap 15, so that the overflow gap 15 is sealed, the sealing between the connecting plate 12 and the furnace wall 11 is realized, the existence of the overflow gap 15 improves the sealing performance, and the quality of the whole furnace body 1 is improved; the connecting plate 12 and the furnace wall 11 are connected together by adopting a sawtooth surface, so that the connection between the connecting plate 12 and the furnace wall 11 is firmer, meanwhile, the sealing performance of the connection part is improved, and the air tightness of the furnace body 1 is better; the spiral slideway arranged in the vent hole 121 enables wind to better enter the furnace body 1, and stress on a connecting part can be unloaded to a certain degree in the wind rotating process; meanwhile, when the heating plate 5 heats the air entering the gasification furnace, the stress at the welding position of the furnace wall 11 and the connecting plate 12 is gradually eliminated, the integrity of the whole gasification furnace is improved, and the service life of the gasification furnace is prolonged. Bracing piece 6 and support piece 7 that set up on the gasifier mutually support, fix the gasifier on hot plate 5, have improved the stability of gasifier, and then have improved the practicality of gasifier.
While one embodiment of the present invention has been described above, the present invention is not limited to the above embodiment, and various modifications can be made without departing from the scope of the present invention.
(A) In the above embodiment, the gasification furnace is fixed by the support rod and the support member, but the present invention is not limited thereto, and the gasification furnace may be fixed by providing a fixing block at the bottom of the gasification furnace.
Industrial applicability
According to the invention, the thin-wall high-strength crop straw gasification furnace has high compression strength, long service life and excellent air tightness, so that the thin-wall high-strength crop straw gasification furnace is useful in the technical field of gasification furnaces.
Claims (4)
1. A thin-wall high-strength crop straw gasification furnace comprises a furnace body (1), a grate (2), a feed inlet (3) and an air outlet (4); the fire grate (2) is positioned inside the furnace body (1), and the fire grate (2) is used for stacking crop straws; the feed inlet (3) is positioned above the furnace body (1), and the feed inlet (3) is used for placing crop straws into the furnace body (1); the gas outlet (4) is positioned above the furnace body (1), the gas outlet (4) is positioned on the right side of the feed inlet (3), and the gas outlet (4) is used for discharging generated combustible gas; the method is characterized in that: the furnace body (1) comprises a furnace wall (11) and a connecting plate (12); the thickness of the furnace wall (11) is 1-2mm, and two ends of the furnace wall (11) are welded with the connecting plate (12) together through resistance welding; a plurality of parallel welding pools (13) are arranged at the connecting part of the furnace wall (11) and the connecting plate (12), the welding pools (13) are used for placing welding fluxes, so that the furnace wall (11) and the connecting plate (12) can be conveniently welded together, and a plurality of stress-relief cavities (14) are also arranged between the furnace wall (11) and the connecting plate (12); the stress relieving cavities (14) and the welding pools (13) are alternately arranged in the horizontal direction, the stress relieving cavities (14) are used for eliminating welding stress, overflow gaps (15) are further arranged between the welding pools (13) and the stress relieving cavities (14), the overflow gaps (15) are used for realizing sealing between the furnace wall (11) and the connecting plate (12), and a plurality of vent holes (121) are formed in the connecting plate (12); the ventilation hole (121) is positioned below the fire grate (2), a spiral groove is arranged in the ventilation hole (121), and the ventilation hole (121) is used for introducing air into the furnace body (1).
2. The thin-wall high-strength crop straw gasification furnace according to claim 1, characterized in that: the connection part of the furnace wall (11) and the connecting plate (12) is a sawtooth surface which is used for improving the connection strength and unloading the welding stress.
3. The thin-wall high-strength crop straw gasification furnace according to claim 1, characterized in that: the heating furnace is characterized in that a heating plate (5) is further arranged at the bottom of the furnace body (1), and the heating plate (5) is used for heating and insulating the furnace body (1).
4. The thin-wall high-strength crop straw gasification furnace according to claim 1, characterized in that: a support rod (6) and a support piece (7) are also arranged outside the furnace body (1); the supporting rods (6) are arranged in a plurality of numbers, the supporting rods (6) are circumferentially arranged around the outer wall of the furnace body (1), and the bottom ends of the supporting rods (6) are fixed on the heating plate (5); the supporting pieces (7) are a plurality of in number, one end of each supporting piece (7) is fixed to the corresponding supporting rod (6), the other end of each supporting piece (7) is welded to the corresponding furnace body (1), and each supporting piece (7) is used for fixing the corresponding furnace body (1).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810785429.4A CN108865281B (en) | 2018-07-17 | 2018-07-17 | Thin-wall high-strength crop straw gasification furnace |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810785429.4A CN108865281B (en) | 2018-07-17 | 2018-07-17 | Thin-wall high-strength crop straw gasification furnace |
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| CN108865281B true CN108865281B (en) | 2020-04-17 |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101537460A (en) * | 2009-04-17 | 2009-09-23 | 秦皇岛北方管业有限公司 | Thin-walled multiply bellows straight-side port closing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201678639U (en) * | 2010-04-26 | 2010-12-22 | 蒋钦峰 | Straw gasification furnace |
| US20120102834A1 (en) * | 2010-10-29 | 2012-05-03 | General Electric Company | Staged gasifier and related processes |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101537460A (en) * | 2009-04-17 | 2009-09-23 | 秦皇岛北方管业有限公司 | Thin-walled multiply bellows straight-side port closing device |
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Effective date of registration: 20200319 Address after: 245311 Anhui province Xuancheng Yingzhou town of Jixi County Qiao Qiao Chuan Village No. 5 Applicant after: JIXI HUICAIBAO BIOTECHNOLOGY Co.,Ltd. Address before: 213300 Jiangsu Province Changzhou Liyang Kunlun North Road 288 Jiangsu Shente Iron and Steel Co., Ltd. Applicant before: Xing Xiao |
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