CN105018153A - Fuel gas negative-pressure gasification combined system - Google Patents

Fuel gas negative-pressure gasification combined system Download PDF

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Publication number
CN105018153A
CN105018153A CN201510462352.3A CN201510462352A CN105018153A CN 105018153 A CN105018153 A CN 105018153A CN 201510462352 A CN201510462352 A CN 201510462352A CN 105018153 A CN105018153 A CN 105018153A
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China
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communicated
chamber
tar
gas
tar removing
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Pending
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CN201510462352.3A
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Chinese (zh)
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秦家运
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Individual
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Individual
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Priority to CN201510462352.3A priority Critical patent/CN105018153A/en
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Abstract

The invention discloses a fuel gas negative-pressure gasification combined system. The system is characterized by comprising a gasifier, a tar removing water condenser, a gas pump, a tar thoroughly removing condensate water cooling chamber, a gas feeder and a storage gas feeding holder, wherein the gasifier is a negative-pressure low automatic feeding gasifier; an exhaust pipe of the gasifier is communicated with an inlet chamber of the tar removing water condenser; an outlet chamber of the tar removing water condenser is communicated with the tar thoroughly removing condensate water cooling chamber; the tar thoroughly removing condensate water cooling chamber is communicated with the storage gas feeding holder; the gas pump is arranged on a breather pipe on which the outlet chamber of the tar removing water condenser is communicated with the tar thoroughly removing condensate water cooling chamber; the gas feeder is arranged on a breather pipe on which the tar thoroughly removing condensate water cooling chamber is communicated with the storage gas feeding holder; and a solenoid valve is arranged on a breather pipe on which the gas feeder is communicated with the storage gas feeding holder. The combined system has the advantages of high gas output, continuous gas supply and low possibility of blockage. The produced fuel gas has higher quality and can approximately equal to the fuel gas stored at normal pressure.

Description

A kind of gas negative pressure gasification combined system
Technical field
The present invention relates to gas gasification system, especially a kind of gas negative pressure gasification combined system.
Background technology
Conventional vapourizing furnace gas production rate is little, and pulverized fuel easily lumps, and causes air feed to be interrupted and not enough, and tar and water cannot emptyings, and easily blocking tracheae and stove and accessory occur, the combustion gas quality of output is lower.
Summary of the invention
The object of the invention is for the deficiencies in the prior art, and provide a kind of gas negative pressure gasification combined system, this combined system gas production rate large, continuous air feed, not easily blockage phenomenon, the combustion gas quality of output is higher, can also store combustion gas close to normal pressure.
The technical scheme realizing the object of the invention is:
A kind of gas negative pressure gasification combined system, comprises vapourizing furnace, tar removing cryophorus, vacuum fan, thoroughly tar removing coagulates water cooling chamber, air feeder and storage and to supply gas cabinet,
Described vapourizing furnace is negative pressure low level self-feeding vapourizing furnace, comprise body of heater, worm conveyor and agitator, the bottom of described body of heater inner chamber is combustion chamber, the top of inner chamber is provided with the aspirating chamber of band extraction pipe, aspirating chamber and combustion chamber, the furnace wall of combustion chamber is provided with a circle inlet pipe, and the lower end of combustion chamber is ashes collection bucket, and the lower end of ashes collection bucket is communicated with cement output tank; The discharge port of described worm conveyor and combustion chamber; Described agitator is arranged on the upper end of body of heater, and the leaf that stirs of agitator is arranged in body of heater inner chamber;
Described tar removing cryophorus comprises casing, cooling tube, inlet plenum and discharge chamber, and described cooling tube is arranged in casing, is provided with water coolant in casing, and cooling tube is immersed in water coolant, and one end of cooling tube is communicated with inlet plenum, and the other end is communicated with discharge chamber; Also comprise header tank, described discharge chamber is communicated with header tank; The lower end of described discharge chamber is communicated with header tank by threeway, and the outlet of threeway is tar relief outlet, and outlet is provided with tar exhausting switch, and the top of header tank is provided with liquefaction water relief outlet;
The extraction pipe of described vapourizing furnace is communicated with the inlet plenum of tar removing cryophorus, the discharge chamber of tar removing cryophorus coagulates water cooling chamber with thorough tar removing and is communicated with, thorough tar removing coagulates water cooling chamber and storage cabinet of supplying gas and is communicated with, discharge chamber and the thorough tar removing of tar removing cryophorus coagulate the ventpipe that water cooling chamber is communicated with and are provided with vacuum fan, thorough tar removing coagulates water cooling chamber and stores the ventpipe that cabinet is communicated with of supplying gas and be provided with air feeder, and air feeder and the storage ventpipe that cabinet is communicated with of supplying gas is provided with magnetic valve.
Also comprise two-position controller, supply gas cabinet, magnetic valve, eddy current air feeder of two-position controller and storage is connected.
The tracheae of described magnetic valve is divided into two-way, and a road and storage cabinet of supplying gas communicates, and another road communicates with gas furnace.
Described vacuum fan is turbine vacuum fan.
During operation, start the air inlet port igniting that negative-pressure gasifier sent into by raw material by worm conveyor, in the combustion gas that negative-pressure gasifier produces, water vapour, tar etc. all condense and separate, tar is installed, water is drained, combustion gas containing a small amount of tar and water vapour is pressed into thorough tar and coagulates water cooling chamber tar, water vapour is thoroughly got rid of, thermometric controller sets temperature range, when temperature reaches in limited time, thermometric controller can provide signal by worm conveyor, when temperature reaches in limited time lower, thermometric controller can provide signal to be stopped by worm conveyor, start air feeder, magnetic valve is opened, storage is supplied gas cabinet gas storage, when storage supply gas cabinet storage full time, two-position controller can stop turbine air feeder, closed electromagnetic valve, open gas furnace to boiler heat supplying.Storage is supplied gas cabinet venting, and when being deflated to setting tolerance, two-position controller exports initiating signal and starts turbine air feeder, and magnetic valve is opened, and obtains steadily, the output air feed of constant voltage.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of embodiment gas negative pressure gasification combined system;
Fig. 2 is the structural representation of negative pressure low level self-feeding vapourizing furnace in embodiment;
Fig. 3 is the equipped schematic diagram of inlet pipe and body of heater in Fig. 2;
Fig. 4 is the structural representation of agitator in embodiment;
Fig. 5 is the structural representation of tar removing cryophorus in embodiment;
Fig. 6 is the plan structure schematic diagram of the tar removing cryophorus being provided with two groups of inlet plenums and discharge chamber in embodiment;
Fig. 7 is the right TV structure schematic diagram of the tar removing cryophorus being provided with two groups of inlet plenums and discharge chamber in embodiment.
Embodiment
Below in conjunction with drawings and Examples, content of the present invention is further elaborated, but is not limitation of the invention.
Embodiment:
With reference to Fig. 1-Fig. 7, a kind of gas negative pressure gasification combined system, comprises vapourizing furnace 1, tar removing cryophorus 2, vacuum fan 3, thoroughly tar removing coagulates water cooling chamber 4, air feeder 5 and storage and to supply gas cabinet 7,
Described vapourizing furnace 1 is negative pressure low level self-feeding vapourizing furnace, comprise body of heater 1-1, worm conveyor 1-2 and agitator 1-3, the bottom of described body of heater 1-1 inner chamber is combustion chamber 1-4, the top of inner chamber is provided with the aspirating chamber 1-6 of band extraction pipe 1-5, aspirating chamber 1-6 is communicated with combustion chamber 1-4, the furnace wall of combustion chamber 1-4 is provided with a circle inlet pipe 1-7, and the lower end of combustion chamber 1-4 is ashes collection bucket 1-8, and the lower end of ashes collection bucket 1-8 is communicated with cement output tank 1-9; The discharge port of described worm conveyor 1-2 is connected with combustion chamber 1-4; Described agitator 1-3 is arranged on the upper end of body of heater 1-1, and the leaf that stirs of agitator 1-3 is arranged in body of heater 1-1 inner chamber;
Described tar removing cryophorus 2 comprises casing 3-1, cooling tube 3-2, inlet plenum 3-3 and discharge chamber 3-4, described cooling tube 3-2 is arranged in casing 3-1, water coolant is provided with in casing 3-1, cooling tube 3-2 is immersed in water coolant, one end of cooling tube 3-2 is communicated with inlet plenum 3-3, and the other end is communicated with discharge chamber 3-4; Also comprise header tank 3-5, described discharge chamber 3-4 is communicated with header tank 3-5; The lower end of described discharge chamber 3-4 is communicated with header tank 3-5 by threeway 3-6, and the outlet of threeway 3-6 is tar relief outlet, and outlet is provided with tar exhausting switch 3-7, and the top of header tank 3-5 is provided with liquefaction water relief outlet 3-8;
The extraction pipe 1-5 of described vapourizing furnace is communicated with the inlet plenum 3-3 of tar removing cryophorus 2, discharge chamber 3-4 and the thorough tar removing of tar removing cryophorus 2 coagulate water cooling chamber 4 and are communicated with, thorough tar removing coagulates water cooling chamber 4 and storage cabinet 7 of supplying gas and is communicated with, discharge chamber 3-4 and the thorough tar removing of tar removing cryophorus 2 coagulate the ventpipe that water cooling chamber 4 is communicated with and are provided with vacuum fan 3, thorough tar removing coagulates water cooling chamber 4 and stores the ventpipe that cabinet 7 is communicated with of supplying gas and be provided with air feeder 5, and air feeder 5 and the storage ventpipe that cabinet 7 is communicated with of supplying gas is provided with magnetic valve 6.
Also comprise two-position controller 8, supply gas cabinet 7, magnetic valve 6, air feeder 5 of two-position controller 8 and storage is connected.
The tracheae of described magnetic valve 6 is divided into two-way, and a road and storage cabinet 7 of supplying gas communicates, and another road communicates with gas furnace 9.
Described vacuum fan 3 is eddy current vacuum fan.
Described thorough tar removing coagulates the steel framed structure buildings that water cooling chamber 4 comprises airbag and has conductive force, and described airbag is arranged between floors, is provided with the inlet pipe and escape pipe that are communicated with airbag.Effect is that output gas is cooled to normal temperature, removes residual tar and steam further.
With reference to Fig. 2 Fig. 3, described negative pressure low level self-feeding vapourizing furnace also comprises temperature measurer 1-10, and the probe of described temperature measurer 1-10 is arranged on the top of body of heater 1-1 inner chamber.
The lower end of described cement output tank 1-9 is provided with pipe lid 1-11, and one end and the cement output tank 1-9 of pipe lid 1-11 are hinged, and the other end is connected with pipe lid handle 1-12.
Described inlet pipe 1-7 is through in the 1-4 of insertion combustion chamber, furnace wall, and the inlet end of inlet pipe 1-7 is provided with air-inlet cover 1-13, and air-inlet cover 1-13 is provided with corresponding air inlet port 1-14.
The air outlet of described inlet pipe 1-7 is evenly distributed on the same cross section of combustion chamber 1-4.
Described body of heater 1-1 comprises shell 1-1-1, thermal insulation layer 1-1-2 and inner casing 1-1-3.
Also comprise gasifier control system circuit 1-15, described gasifier control system circuit 1-15 is connected with temperature measurer 1-10, worm conveyor 1-2.
Also comprise indicating meter 1-16, indicating meter is connected with gasifier control system circuit 1-15.
Worm conveyor 1-2 discharge port is arranged on the top of inlet pipe 1-7 through Gasification at the negative pressure furnace wall, the probe of temperature measurer 1-10 is arranged on the top cover of negative-pressure gasifier, the control line of temperature measurer 1-10 is connected with the motor of worm conveyor 1-2, the tracheae of negative-pressure gasifier is connected with tar removing cryophorus 2, the gas main of tar removing cryophorus 2 is connected with eddy current vacuum fan 3, tracheae and the thorough tar removing of vacuum fan 3 coagulate water cooling chamber 4 and communicate, the escape pipe that thorough tar removing coagulates water cooling chamber 4 communicates with eddy current air feeder 5, the tracheae of eddy current air feeder 5 communicates with magnetic valve 6, the tracheorrhaphy two-way of magnetic valve 6, one tunnel and storage cabinet 7 of supplying gas communicates, another road communicates with gas furnace 9, the control circuit of two-position controller 8 and storage are supplied gas cabinet 9, magnetic valve 6, eddy current air feeder 5 communicates.
During work, from worm conveyor 1-2, fuel is sent to body of heater 1-1 inner chamber, start agitator 1-3 motor to make to stir leaf rotation, stir fuel, open extraction pipe 1-5 switch to make to become negative pressure in vapourizing furnace, open air-inlet cover 1-13 to light a fire in inlet pipe 1-7, air-inlet cover 1-13 is covered again after lighting, make air-inlet cover 1-13 corresponding with the air inlet port 1-14 of inlet pipe 1-7, the display screen 1-16 of gasifier control system circuit 1-15 sets temperature range, when temperature rises in limited time, worm conveyor 1-2 feeding is started by gasifier control system circuit 1-15, when temperature drops in limited time, worm conveyor 1-2 is stopped by gasifier control system circuit 1-15, stop feeding, non-stop run under the control of gasifier control system circuit 1-15, continuous gas generation.When the temperature in the 1-4 of combustion chamber reaches more than 400 DEG C, without the need to again lighting a fire, in the 1-4 of combustion chamber, gasification reaction can be maintained.When ashes have influence on vapourizing furnace gasification, shut down, open pipe lid 1-11, carry out ash disposal work, lid upper tube cap 1-11 again after ash disposal, restarts worm conveyor 1-2 and carries out gasification work.
With reference to Fig. 4, described agitator 1-3 comprises motor 2-1, speed reduction unit 2-2, stir shaft 2-3 and stirs leaf 2-4, described in stir the lower end that leaf 2-4 is arranged on stir shaft 2-3, stir shaft 2-3 and speed reduction unit 2-2, motor 2-1 are linked in sequence;
Also be provided with axle bed 2-5, pillow block 2-6 and clutch 2-7, pillow block 2-6 and axle bed 2-5 upper surface are rotatably abutted against, and the upper end of stir shaft 2-3 is connected with speed reduction unit 2-2 by clutch 2-7.
The described leaf 2-4 that stirs is arranged on and stirs on trichidium 2-8, described in stir the lower end that trichidium 2-8 is arranged on stir shaft 2-3, stir leaf 2-4 by stirring trichidium screw, stir trichidium pin 2-9 and stir shaft 2-3 is fastenedly connected.
Described pillow block 2-6 is fastenedly connected by pillow block set screw and stir shaft 2-3.
Particularly, axle bed 2-5 is welded on the top of negative-pressure gasifier 1, pillow block 2-6 is arranged on above axle bed 2-5, stir shaft 2-3 is through axle bed 2-5 also energy flexible rotating, again through pillow block 2-6, and firmly pillow block 2-6 is fixed on stir shaft 2-3 with pillow block retaining screw, the upper end of stir shaft 2-3 connects backgear 2-7, clutch 2-7 meets speed reduction unit 2-2, speed reduction unit 2-2 meets motor 2-1, speed reduction unit 2-2 and motor 2-1 is arranged on support 2-11, the lower end of stir shaft 2-3 is equipped with stirs trichidium 2-8, stir trichidium 2-8 and stir shaft 2-3 to fix with stirring trichidium pin and stirring trichidium screw.
When this agitator runs, starter motor 2-1 drives speed reduction unit 2-2, and speed reduction unit 2-2 drives stir shaft 2-3 to rotate by clutch 2-7, and stir shaft 2-3 makes to stir leaf 2-4 rotate by stirring trichidium 2-8, pillow block 2-6 rotates and axle bed 2-5 break-in together with stir shaft 2-3, becomes resistant to elevated temperatures rigid sealing member.
With reference to Fig. 5, the casing 3-1 of described tar removing cryophorus is provided with cooling water inlet pipe 3-9 and water shoot 3-10, water inlet pipe 3-9 and water shoot 3-10 is respectively equipped with water inlet switch and drainage switch, and water inlet pipe 3-9 is arranged on the bottom of casing 3-1, and water shoot 3-10 is arranged on the top of casing 3-1.
Described tar relief outlet is communicated with collection container.
Discharge chamber 3-4 is provided with clean-up port, and clean-up port is provided with sealing cover.
With reference to Fig. 6 Fig. 7, the first dividing plate 3-11 and second partition 3-12 is respectively equipped with in inlet plenum 3-3 and discharge chamber 3-4, inlet plenum 3-3 is divided into the first inlet plenum 3-3-1 and the second inlet plenum 3-3-2 by the first dividing plate 3-11, discharge chamber 3-4 is divided into the first discharge chamber 3-4-1 and the second discharge chamber 3-4-2 by second partition 3-12, first inlet plenum 3-3-1 is communicated with the first discharge chamber 3-4-1 by cooling tube 3-2, second inlet plenum 3-3-2 is communicated with the second discharge chamber 3-4-2 by cooling tube 3-2, first inlet plenum 3-3-1 and the first discharge chamber 3-4-1 is one group, second inlet plenum 3-3-2 and the second discharge chamber 3-4-2 is another group, cooling tube between two groups is not connected.
During use, open water coolant water inlet switch and effluent switch, cooling tube 3-2 is allowed to be immersed in the water coolant of flowing, inlet plenum 3-3 is communicated with the extraction pipe 1-5 of vapourizing furnace 1, output gas containing tar and moisture is by the condensation of cooling tube 3-2, tar and hydrogenesis are in cooling tube 3-2, and flow to discharge chamber 3-4 by thrust when producing exhalation flow, water of condensation is discharged from the header tank 3-5 communicated with discharge chamber 3-4, tar is discharged from the tar relief outlet of threeway 3-6, tar is released in collection container collects by opening tar exhausting switch 3-7 discontinuously.The combustion gas eliminating tar and steam is from discharge chamber 3-4 output gas out.
Arrange the first inlet plenum 3-3-1, the second inlet plenum 3-3-2 and enter the first discharge chamber 3-4-1, the second discharge chamber 3-4-2 by many cooling tubes, make the condensation of output gas better, tar and steam are got rid of cleaner, effectively improve the quality of combustion gas.
During operation, start worm conveyor 1-2 and fuel is sent into negative-pressure gasifier 1, light a fire from inlet pipe 1-7, the combustion gas produced by negative-pressure gasifier 1 is extracted out from extraction pipe 1-5, by the water vapour that combustion gas includes by tar removing cryophorus 2, tar etc. all condense and separate, tar is installed, water is drained, combustion gas containing a small amount of tar and water vapour is pressed into thorough tar removing and coagulates water cooling chamber 4 tar, water vapour is thoroughly got rid of, start air feeder 5, magnetic valve 6 is opened, storage is supplied gas cabinet 7 gas storage, when storage supply gas cabinet 7 store up full time, two-position controller 8 controls air feeder 5 to be stopped, magnetic valve 6 cuts out, open gas furnace 9 to boiler heat supplying, storage cabinet 7 of supplying gas is exitted, when being deflated to setting tolerance, two-position controller 8 starts air feeder 5, magnetic valve 6 is opened, obtain steadily, the air feed of constant voltage.

Claims (2)

1. a gas negative pressure gasification combined system, is characterized in that, comprises vapourizing furnace, tar removing cryophorus, vacuum fan, thoroughly tar removing coagulate water cooling chamber, air feeder and storage and to supply gas cabinet,
Described vapourizing furnace is negative pressure low level self-feeding vapourizing furnace, comprise body of heater, worm conveyor and agitator, the bottom of described body of heater inner chamber is combustion chamber, the top of inner chamber is provided with the aspirating chamber of band extraction pipe, aspirating chamber and combustion chamber, the furnace wall of combustion chamber is provided with a circle inlet pipe, and the lower end of combustion chamber is ashes collection bucket, and the lower end of ashes collection bucket is communicated with cement output tank; The discharge port of described worm conveyor and combustion chamber; Described agitator is arranged on the upper end of body of heater, and the leaf that stirs of agitator is arranged in body of heater inner chamber;
Described tar removing cryophorus comprises casing, cooling tube, inlet plenum and discharge chamber, and described cooling tube is arranged in casing, is provided with water coolant in casing, and cooling tube is immersed in water coolant, and one end of cooling tube is communicated with inlet plenum, and the other end is communicated with discharge chamber; Also comprise header tank, described discharge chamber is communicated with header tank; The lower end of described discharge chamber is communicated with header tank by threeway, and the outlet of threeway is tar relief outlet, and outlet is provided with tar exhausting switch, and the top of header tank is provided with liquefaction water relief outlet;
The extraction pipe of described vapourizing furnace is communicated with the inlet plenum of tar removing cryophorus, the discharge chamber of tar removing cryophorus coagulates water cooling chamber with thorough tar removing and is communicated with, thorough tar removing coagulates water cooling chamber and storage cabinet of supplying gas and is communicated with, discharge chamber and the thorough tar removing of tar removing cryophorus coagulate the ventpipe that water cooling chamber is communicated with and are provided with vacuum fan, thorough tar removing coagulates water cooling chamber and stores the ventpipe that cabinet is communicated with of supplying gas and be provided with air feeder, and air feeder and the storage ventpipe that cabinet is communicated with of supplying gas is provided with magnetic valve.
2. gas negative pressure according to claim 1 gasification combined system, it is characterized in that, the tracheae of described magnetic valve is divided into two-way, and a road and storage cabinet of supplying gas communicates, and another road communicates with gas furnace.
CN201510462352.3A 2015-07-31 2015-07-31 Fuel gas negative-pressure gasification combined system Pending CN105018153A (en)

Priority Applications (1)

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CN201510462352.3A CN105018153A (en) 2015-07-31 2015-07-31 Fuel gas negative-pressure gasification combined system

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Application Number Priority Date Filing Date Title
CN201510462352.3A CN105018153A (en) 2015-07-31 2015-07-31 Fuel gas negative-pressure gasification combined system

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1399099A (en) * 2002-08-26 2003-02-26 赵敏 Negative-pressure thermal cracking and gasifying furnace for treating inflammable garbage
CN1446880A (en) * 2002-03-23 2003-10-08 合肥天焱绿色能源开发有限公司 Method for gasifying biomass capable of burning in negative pressure and its equipment
CN2861160Y (en) * 2005-09-16 2007-01-24 马三轩 Gasification furnace for waste inflammable matter
EP1959002A1 (en) * 2007-02-14 2008-08-20 Yankuang Group Corporation Limited Method of gasification burner online feeding
CN201317766Y (en) * 2008-12-24 2009-09-30 张建超 Biomass gas composite filtering device
CN101671579A (en) * 2009-06-09 2010-03-17 徐州燃控科技股份有限公司 Constant-pressure material compacting device of biomass fixed-bed gasification furnace
CN205011714U (en) * 2015-07-31 2016-02-03 秦家运 Gas negative pressure gasification combined system

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1446880A (en) * 2002-03-23 2003-10-08 合肥天焱绿色能源开发有限公司 Method for gasifying biomass capable of burning in negative pressure and its equipment
CN1399099A (en) * 2002-08-26 2003-02-26 赵敏 Negative-pressure thermal cracking and gasifying furnace for treating inflammable garbage
CN2861160Y (en) * 2005-09-16 2007-01-24 马三轩 Gasification furnace for waste inflammable matter
EP1959002A1 (en) * 2007-02-14 2008-08-20 Yankuang Group Corporation Limited Method of gasification burner online feeding
CN201317766Y (en) * 2008-12-24 2009-09-30 张建超 Biomass gas composite filtering device
CN101671579A (en) * 2009-06-09 2010-03-17 徐州燃控科技股份有限公司 Constant-pressure material compacting device of biomass fixed-bed gasification furnace
CN205011714U (en) * 2015-07-31 2016-02-03 秦家运 Gas negative pressure gasification combined system

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