CN102676236A - Method and device for three-stage separating biomass gasification - Google Patents
Method and device for three-stage separating biomass gasification Download PDFInfo
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Abstract
The invention discloses a method and a device for three-stage separating biomass gasification. The device mainly comprises a reacting furnace, a pyrolysis chamber which is a biomass pyrolytic reaction chamber is arranged on the upper portion of the reacting furnace, a gasification chamber and a combustion chamber are positioned in the reacting furnace, the gasification chamber is positioned inside the combustion chamber, the pyrolysis chamber and the gasification chamber are connected with a feeding pipe, a flue gas channel is arranged outside the pyrolysis chamber and the feeding pipe, a feeding device is arranged on the upper pyrolysis chamber, the lower gasification chamber is communicated with the combustion chamber, a high-temperature gas extraction outlet is arranged in the middle of the gasification chamber, flue gas rises up along the flue gas channel from the combustion chamber to the periphery of the pyrolysis chamber and then is exhausted via a flue gas outlet, and the exhausted high-temperature gas is separated and purified by a separator prior to entering an air pre-heater. Three processes of a biomass gasification generating system are completely separated, the length of a reduction area is increased, and time and temperature required by tar pyrolysis are guaranteed, so that content of tar in the gas is reduced, gas generation rate of the gasification furnace is increased, and quality of the biomass gas is improved. The device has the advantages of convenience for temperature control, energy saving, environmental protection, operating continuity and the like.
Description
Technical field
The present invention relates to biomass gasification technology, specifically a kind of three sections separate type biomass gasification methods and device.
Background technology
Biomass are the various organism that form through photosynthesis; It derives from the photosynthesis of green plants directly or indirectly, can be converted into conventional solid-state, liquid state and gaseous fuel, and its distributes extensively, amount usable is big; It is a kind of renewable energy source; And also be unique a kind of reproducible contain hydrocarbon component and heat energy, storable natural raw material, utilize biomass to carry out energy utilization and Chemical Manufacture, have CO
2The characteristic of zero release.Along with the minimizing day by day of traditional fossil energy reserves, and because the problem of environmental pollution that uses fossil energy to bring, pay attention to and develop common recognition renewable, that eco-friendly power source has become national governments.
The method that biomass is changed into clean air or liquid fuel is a lot, and wherein, biomass thermal chemical conversion technology can adapt to all biomass kinds with other compared with techniques, and has the ability that large industrialized is produced, and is easy to mass-producing and uses.Biomass pyrogenation gasification prepares biological fuel gas, and (staple is H
2With CO gas); And then synthetic liquid fuel (like methyl alcohol, ethanol, dme, alkene, diesel oil and petroleum naphtha etc.) is one of biomass energy recycling approach that has most in the thermochemistry transformation technology development prospect; Domestic industry circle and the unprecedented attention of academia have been received; And dropped into great amount of manpower and carried out relevant research and development with material resources, wherein through utilizing biomass materials such as stalk, rice husk, firewood to obtain extensive studies through the technology that the preparation of elevated temperature heat chemical process contains the biological fuel gas of hydrogen and carbon monoxide.Biomass pyrogenation gasification prepares that gasifying reactor is its nucleus equipment in the biological fuel gas technology.Exploitation efficient biomass pyrolysis gasifying device is produced the combustion gas of high-quality biological matter; And be converted into fuel such as liquefied hydrocarbon, alcohols and ethers through follow-up synthesis reactor; Both can alleviate dependence to international crude oil market; Also can reduce the consumption of domestic traditional fossil energy, have the social benefit of active protection environment simultaneously.
The gasifying reactor (vapourizing furnace) that is used for gasifying biomass at present roughly can be divided into three kinds: fixed bed, air flow bed and fluidized-bed.Fixed-bed gasification furnace simple in structure, easy to operate, operator scheme is flexible, but non-uniform temperature heat exchange effect is relatively poor in the stove, contains a large amount of tar in the outlet biological fuel gas.The operating temperature of air flow bed is higher; Temperature is more even in the stove; Tar cracking degree in air flow bed is higher; But entrained flow gasification is had relatively high expectations to the solid material particle diameter, and the raw material that gets into air flow bed need be worn into very tiny particle, and this has proposed the another one technical barrier for the grinding of the biomass material that contains a large amount of fibers.And fluidized bed gasification reactor can be handled the high-moisture material because thermal capacity is high, adaptability to raw material is strong, is suitable for continuous large-scale production, therefore enjoys attention.But it is very sensitive that fluidized-bed reactor also exists the physical property of raw material, operates waywardly, and operating temperature is general also lower, and the coal-tar middle oil content of outlet biological fuel gas is also considerable, and CH in the aerogenesis
4And CO
2Content is higher, generally needs follow-up equipment to handle problems such as tar and reforming biomass combustion gas, makes gasification system and the device more complicated that becomes.
To improve the concentration of biological fuel gas in the aerogenesis, reduce CH in the aerogenesis through the staging treating biomass material
4And CO
2Content and reduction tar content are one of methods that solves each the high-quality biological matter combustion gas requirement of fluidized-bed reactor system.Biomass solid at first prepares the coke (semicoke) and the cracked gas of biomass high yield through thermo-cracking under this lower temperature in 300～600 ℃ of left and right sides; The coke (semicoke) that then pyrolysis is produced is sent to and carries out high temperature (700～900 ℃) gasification reaction with water vapor in the fluidized bed gasification reactor and prepare the combustion gas of coarse biometric matter, and the tar of complete reaction and the coarse biometric matter combustion gas that makes are not passed through catalytic pyrolysis (reformation) bed again and further issued the green coke oil breaking and coarse biometric matter gas reformation reacts the quality that improves biological fuel gas in the effect of catalyzer.
Is biomass the secondhand energy of cleaning through pyrolysis, gasification, catalytic pyrolysis, reformation segmentation reaction conversion; Can obtain dual effective effect; The one, can solve problem of environmental pollution; The 2nd, can reduce dependence to the oil coal resources, for build a resource-conserving society with friendly environment society play active effect.
In view of this, to the problems referred to above, propose a kind of reasonable in design and effectively improve the three sections separate type biomass gasification methods and the device of above-mentioned disappearance.
Summary of the invention
The object of the present invention is to provide a kind of three sections separate type biomass gasification methods and device, overcome the defective that existing biomass prepare the biological fuel gas technology.Three processes of gasifying biomass generation systems are separated fully, and the length of the reduction zone of having extended guarantees coke tar cracking required time and temperature, thereby has reduced the coal-tar middle oil content of combustion gas, has improved the quality of the factor of created gase and the biological fuel gas of vapourizing furnace.The present invention has convenient temperature control, and energy-conserving and environment-protective move advantages such as continuous.
In order to reach above-mentioned purpose, the present invention adopts following technical scheme: a kind of three sections separate type biomass gasification methods, and its step is following:
Biomass are put into the pyrolysis chamber from the biomass material opening for feed; Pyrolysis chamber's screw feeder carries out the 350-650 ℃ of low temperature pyrogenation reaction under the temperature through the driven by motor rotation with the material tumble mixed simultaneously, and the product of biomass low temperature pyrogenation is mainly biomass coke and cracked gas;
Under the effect of separating the hot cell screw feeder; Pyrolysis product is constantly descending; Come the hypomere vaporizer through tremie pipe; The vaporizer screw feeder rolls pyrolysis product through the motor rotation and carries out simultaneously high-temperature gasification cracking reduction reaction takes place under the 900-1100 ℃ of temperature, produces the biological fuel gas of gasification, and the required high temperature that gasifies is from the combustion chamber;
Biological fuel gas pumps to inertial separator by air extractor and carries out gas solid separation, and the gas of generation is purified, and gets into the air preheater preheated air then;
Air after the preheating together gets into the combustion chamber and carries out violent oxidizing fire with the carbon residue that gets off from the vaporizer end with adding biomass fuel, offers the required high temperature of vaporizer;
The high temperature burning fume goes upward to the pyrolysis chamber, for pyrolysis provides heat, discharges from exhanst gas outlet then; Lime-ash is discharged from the lime-ash outlet, and it is used to collect laggard Xingqi.
In order to reach another purpose; The present invention adopts following technical scheme: a kind of three sections separate type biomass gasification devices, comprise Reaktionsofen, and said Reaktionsofen lower floor is the combustion chamber; The position, middle and upper part that is arranged in the combustion chamber is provided with vaporizer; Said vaporizer passes through communication port and combustion chamber UNICOM down, and the vaporizer top is provided with the pyrolysis chamber, and said pyrolysis chamber and vaporizer are through tremie pipe UNICOM; Said pyrolysis chamber and indoor pyrolysis chamber's screw feeder and the vaporizer screw feeder of being respectively arranged with of gasification; On the reaction furnace wall at peripheral place, said pyrolysis chamber exhanst gas outlet is set, said vaporizer middle part is provided with bleeding point.
Said pyrolysis chamber screw feeder connects driven rotary through an outside drive-motor, and said pyrolysis chamber offers the biomass material opening for feed in the top; Said vaporizer screw feeder connects driven rotary through No. two outside drive-motor.
The horizontal outer wall of said tremie pipe and vaporizer is the 45-90 degree, and is up-thin-low-thick expander shape.
Said vaporizer screw feeder length will surpass the bleeding point position, and the screw diameter of bleeding point position screw feeder backward is greater than the screw diameter of bleeding point position screw feeder forward.
Form gas flue around the said tremie pipe and between the Reaktionsofen inwall, this gas flue is coated with adiabator layer, and this flue first line of a couplet passes to exhanst gas outlet, is connected to the combustion chamber down.
Said bleeding point is connected to inertial separator again.
Said inertial separator is connected to the fuel gas inlet of air preheater again.
Offer air and gas outlet on the said air preheater, said air preheater also is connected to the fuel and the combustion air inlet of combustion chamber through the preheated air outlet.
Periphery, said combustion chamber also offers the lime-ash outlet.
Compared to prior art; The present invention combines the pyrolysis characteristics of biomass, the gasification property of biomass coke (semicoke), the thermo-cracking and the coarse biometric matter combustion gas characteristic of tar; With the pyrolysis section in each biological fuel gas process of biomass pyrogenation gasification system, reduction section, oxidising process separately; Make each step of reaction different chamber district in same device relatively separately and carry out continuously simplify the experimental system that biomass prepare biological fuel gas.Biomass reduce tar content significantly through high-temperature water vapor gasification, the tar heat scission reaction of low temperature pyrogenation, coke (semicoke), produce the high-quality biological matter combustion gas that is applicable to productive life, reach clean and effective and utilize biomass energy.The present invention is simple, efficient, energy-conservation, economy and Project Realization property are strong; Improved significantly gasification system gasification efficiency, reduced effective biological fuel gas oxygen-consumption, increased the calorific value of biological fuel gas; Reduce the tar content of biological fuel gas, improved the energy transformation ratio and the stability that has guaranteed system of total system.
Apparatus of the present invention have energy-conserving and environment-protective, and operation is continuous, advantages of simple structure and simple, and the combustion gas of high-quality biological matter is produced in biological material pyrolysis such as stalk capable of using, rice husk, sawdust.
Description of drawings
Fig. 1 is a kind of three sections separate type biomass gasification device structural representations of the present invention;
Fig. 2 is the another kind of example structure synoptic diagram of a kind of three sections separate type biomass gasification devices of the present invention.
Among the figure: l, a drive-motor, 2, the biomass material opening for feed, 3, exhanst gas outlet, 4, separate the hot cell screw feeder; 5, tremie pipe, 6, air, 7, air preheater, 8, fuel gas inlet; 9, gas outlet, the outlet of 1O, preheated air, 11, the vaporizer screw feeder, 12, inertial separator; 13, middle bleeding point, 14, No. two drive-motor, 15, lime-ash outlet, 16, the combustion chamber; 17, vaporizer, 18, vaporizer and burner communication port, 19, fuel and combustion air inlet.
Embodiment
Relevant detailed description of the present invention and technology contents, conjunction with figs. are explained as follows, yet accompanying drawing only provides the usefulness of reference with explanation, are not to be used for the present invention is limited.
According to illustrated in figures 1 and 2, a kind of three sections separate type biomass gasification devices comprise Reaktionsofen; Said Reaktionsofen lower floor is the combustion chamber; The position, middle and upper part that is arranged in the combustion chamber is provided with vaporizer 17, and said vaporizer passes through vaporizer and burner communication port 18 and combustion chamber UNICOM down, can get into combustion chambers burn to guarantee biological material gasification back resistates; Vaporizer 17 tops are provided with the pyrolysis chamber, and said pyrolysis chamber and vaporizer 17 are through tremie pipe 5 UNICOMs; Said pyrolysis chamber and indoor pyrolysis chamber's screw feeder 4 and the vaporizer screw feeder 11 of being respectively arranged with of gasification; On the reaction furnace wall at peripheral place, said pyrolysis chamber exhanst gas outlet 3 is set, bleeding point 13 in the middle of said vaporizer middle part is provided with.Reaktionsofen epimere pyrolysis chamber form biomass pyrolysis reaction chamber is a purpose to produce coke mainly; Vaporizer is main to generate high-quality combustion gas mainly, and vaporizer length sufficiently long, can abundant reduction and gaseous cracking to guarantee biological material, reduce the output of tar; The combustion chamber then is that carbon residue and air carry out the place that the vigorous oxidation burning provides adequate heat.
Said pyrolysis chamber screw feeder 4 connects driven rotary through an outside drive-motor 1, and said pyrolysis chamber offers biomass material opening for feed 2 in the top; Said vaporizer screw feeder 11 connects driven rotary through No. two outside drive-motor 14.The screw feeder main shaft adopts high temperature material to process.Said tremie pipe 5 is the 45-90 degree with vaporizer 17 horizontal outer walls; Shown in the embodiment of two kinds of structures as depicted in figs. 1 and 2; After pyrolysis, fall to vaporizer smoothly with the assurance biomass material, and be up-thin-low-thick expander shape, convenient biological material falls and accumulates.Said vaporizer screw feeder length will surpass bleeding point 13 positions, and the screw diameter of bleeding point position screw feeder backward is greater than the screw diameter of bleeding point position screw feeder forward.Said tremie pipe 5 forms gas flue on every side and between the Reaktionsofen inwall, and this gas flue is coated with adiabator layer, and this flue first line of a couplet passes to exhanst gas outlet 3, is connected to the combustion chamber down.Said bleeding point 13 is connected to inertial separator 12 again.Said inertial separator 12 is connected to the fuel gas inlet 8 of air preheater 7 again.Offer air 6 and gas outlet 9 on the said air preheater, said air preheater also is connected to the fuel and the combustion air inlet 19 of combustion chamber through preheated air outlet 10.Periphery, said combustion chamber also offers lime-ash outlet 15.
A kind of three sections separate type biomass gasification methods; Its step is following: biomass are put into the pyrolysis chamber from biomass material opening for feed 2; Pyrolysis chamber's screw feeder 4 carries out the 350-650 ℃ of low temperature pyrogenation reaction under the temperature through a drive-motor driven rotary with the material tumble mixed simultaneously, and the product of biomass low temperature pyrogenation is mainly biomass coke and cracked gas; Under the effect of separating hot cell screw feeder 4; Pyrolysis product is constantly descending; Come hypomere vaporizer 17 through tremie pipe 5; Vaporizer screw feeder 11 rolls pyrolysis product through No. two drive-motor 14 rotations and carries out simultaneously high-temperature gasification cracking reduction reaction takes place under the 900-1100 ℃ of temperature, produces the biological fuel gas of gasification, and the required high temperature that gasifies is from the combustion chamber; Biological fuel gas pumps to inertial separator 12 by air extractor and carries out gas solid separation, and the gas of generation is purified, and gets into air preheater 7 preheated airs then; Air after the preheating together gets into the combustion chamber and carries out violent oxidizing fire with the carbon residue that gets off from the vaporizer end with adding biomass fuel, offers the required high temperature of vaporizer; The high temperature burning fume goes upward to the pyrolysis chamber, for pyrolysis provides heat, discharges from exhanst gas outlet 3 then; Lime-ash is discharged from lime-ash outlet 15, and it is used to collect laggard Xingqi.
The fuel gases calorific value of various biomass in the running example: biomass such as the corn stalk of moisture 8%-12%, wood chip obtain thick gas tar oil content less than 15mg/m
3, calorific value 12MJ/m
3-22MJ/m
3, gasification efficiency surpasses 80%.
The above is merely preferred embodiment of the present invention, and non-in order to limit claim of the present invention, other use the equivalence of patent spirit of the present invention to change, and all should all belong to claim of the present invention.
Claims (10)
1. three sections separate type biomass gasification methods, its step is following:
Biomass are put into the pyrolysis chamber from the biomass material opening for feed; Pyrolysis chamber's screw feeder carries out the 350-650 ℃ of low temperature pyrogenation reaction under the temperature through the driven by motor rotation with the material tumble mixed simultaneously, and the product of biomass low temperature pyrogenation is mainly biomass coke and cracked gas;
Under the effect of separating the hot cell screw feeder; Pyrolysis product is constantly descending; Come the hypomere vaporizer through tremie pipe; The vaporizer screw feeder rolls pyrolysis product through the motor rotation and carries out simultaneously high-temperature gasification cracking reduction reaction takes place under the 900-1100 ℃ of temperature, produces the biological fuel gas of gasification, and the required high temperature that gasifies is from the combustion chamber;
Biological fuel gas pumps to inertial separator by air extractor and carries out gas solid separation, and the gas of generation is purified, and gets into the air preheater preheated air then;
Air after the preheating together gets into the combustion chamber and carries out violent oxidizing fire with the carbon residue that gets off from the vaporizer end with adding biomass fuel, offers the required high temperature of vaporizer;
The high temperature burning fume goes upward to the pyrolysis chamber, for pyrolysis provides heat, discharges from exhanst gas outlet then; Lime-ash is discharged from the lime-ash outlet, and it is used to collect laggard Xingqi.
2. three sections separate type biomass gasification devices; It is characterized in that, comprise Reaktionsofen, said Reaktionsofen lower floor is the combustion chamber; The position, middle and upper part that is arranged in the combustion chamber is provided with vaporizer; Said vaporizer passes through communication port and combustion chamber UNICOM down, and the vaporizer top is provided with the pyrolysis chamber, and said pyrolysis chamber and vaporizer are through tremie pipe UNICOM; Said pyrolysis chamber and indoor pyrolysis chamber's screw feeder and the vaporizer screw feeder of being respectively arranged with of gasification; On the reaction furnace wall at peripheral place, said pyrolysis chamber exhanst gas outlet is set, said vaporizer middle part is provided with bleeding point.
3. a kind of three sections separate type biomass gasification devices according to claim 2 is characterized in that, said pyrolysis chamber screw feeder connects driven rotary through an outside drive-motor, and said pyrolysis chamber offers the biomass material opening for feed in the top; Said vaporizer screw feeder connects driven rotary through No. two outside drive-motor.
4. a kind of three sections separate type biomass gasification devices according to claim 2 is characterized in that the horizontal outer wall of said tremie pipe and vaporizer is the 45-90 degree, and are up-thin-low-thick expander shape.
5. a kind of three sections separate type biomass gasification devices according to claim 2, its characteristic exists
In, said vaporizer screw feeder length will surpass the bleeding point position, and the screw diameter of bleeding point position screw feeder backward is greater than the screw diameter of bleeding point position screw feeder forward.
6. a kind of three sections separate type biomass gasification devices according to claim 2; It is characterized in that form gas flue around the said tremie pipe and between the Reaktionsofen inwall, this gas flue is coated with adiabator layer; This flue first line of a couplet passes to exhanst gas outlet, is connected to the combustion chamber down.
7. a kind of three sections separate type biomass gasification devices according to claim 2 is characterized in that said bleeding point is connected to inertial separator again.
8. a kind of three sections separate type biomass gasification devices according to claim 7 is characterized in that said inertial separator is connected to the fuel gas inlet of air preheater again.
9. a kind of three sections separate type biomass gasification devices according to claim 8; It is characterized in that; Offer air and gas outlet on the said air preheater, said air preheater also is connected to the fuel and the combustion air inlet of combustion chamber through the preheated air outlet.
10. a kind of three sections separate type biomass gasification devices according to claim 1 is characterized in that, periphery, said combustion chamber also offers the lime-ash outlet.
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104531227A (en) * | 2014-12-23 | 2015-04-22 | 华中科技大学 | Biomass double-shaft screw pyrolysis device |
| CN104593090A (en) * | 2014-12-25 | 2015-05-06 | 华中科技大学 | Method and device for preparing synthesis gas by biomass pyrolysis and gasification |
| CN104694166A (en) * | 2015-02-15 | 2015-06-10 | 华东理工大学 | Graded pyrolysis gasifying system and application thereof, and treatment method of leather-producing wastes |
| CN105273763A (en) * | 2014-05-27 | 2016-01-27 | 北京中矿科能煤炭地下气化技术研究中心 | Heat pipe heating type biomass and coal segmented collaborative pyrolysis system |
| CN105505477A (en) * | 2015-12-07 | 2016-04-20 | 浙江大学 | Multi-graded pyrolysis and gasification device of solid fuel and application method of multi-graded pyrolysis and gasification device |
| CN105754662A (en) * | 2016-03-17 | 2016-07-13 | 华东理工大学 | Method for preparing hydrogen-rich gas through gas-solid synchronous gasification of pyrolysis gas and biomass charcoal of biomass |
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| CN108148627A (en) * | 2018-02-11 | 2018-06-12 | 广东国能中林实业有限公司 | A kind of multisection type spiral moving bed pyrolysis gasification installation |
| CN108998099A (en) * | 2018-08-20 | 2018-12-14 | 浙江大学 | A kind of organic solid waste gasification furnace that fluidized bed is coupled with stagger arrangement fire grate and method |
| CN109022040A (en) * | 2018-08-21 | 2018-12-18 | 谢响玲 | A kind of coal chemical industry pyrolysis gasification system |
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| CN105273763A (en) * | 2014-05-27 | 2016-01-27 | 北京中矿科能煤炭地下气化技术研究中心 | Heat pipe heating type biomass and coal segmented collaborative pyrolysis system |
| CN104531227A (en) * | 2014-12-23 | 2015-04-22 | 华中科技大学 | Biomass double-shaft screw pyrolysis device |
| CN104531227B (en) * | 2014-12-23 | 2017-03-01 | 华中科技大学 | A kind of biomass double-shaft spiral pyrolysis installation |
| CN104593090B (en) * | 2014-12-25 | 2017-05-10 | 华中科技大学 | Method and device for preparing synthesis gas by biomass pyrolysis and gasification |
| CN104593090A (en) * | 2014-12-25 | 2015-05-06 | 华中科技大学 | Method and device for preparing synthesis gas by biomass pyrolysis and gasification |
| CN104694166A (en) * | 2015-02-15 | 2015-06-10 | 华东理工大学 | Graded pyrolysis gasifying system and application thereof, and treatment method of leather-producing wastes |
| CN105505477A (en) * | 2015-12-07 | 2016-04-20 | 浙江大学 | Multi-graded pyrolysis and gasification device of solid fuel and application method of multi-graded pyrolysis and gasification device |
| CN105754662B (en) * | 2016-03-17 | 2019-01-04 | 华东理工大学 | A kind of biomass cracking gases method for producing hydrogen-rich gas that gasifies synchronous with biomass carbon gas-solid |
| CN105754662A (en) * | 2016-03-17 | 2016-07-13 | 华东理工大学 | Method for preparing hydrogen-rich gas through gas-solid synchronous gasification of pyrolysis gas and biomass charcoal of biomass |
| CN106701118A (en) * | 2016-12-08 | 2017-05-24 | 哈尔滨工业大学 | Double cyclone biomass melting, pyrolyzing and gasifying furnace |
| CN108148627A (en) * | 2018-02-11 | 2018-06-12 | 广东国能中林实业有限公司 | A kind of multisection type spiral moving bed pyrolysis gasification installation |
| CN108998099A (en) * | 2018-08-20 | 2018-12-14 | 浙江大学 | A kind of organic solid waste gasification furnace that fluidized bed is coupled with stagger arrangement fire grate and method |
| CN109022040A (en) * | 2018-08-21 | 2018-12-18 | 谢响玲 | A kind of coal chemical industry pyrolysis gasification system |
| CN109628157A (en) * | 2018-12-11 | 2019-04-16 | 华中科技大学 | A kind of continuous biomass pyrolysis gasifying device and method |
| CN109628157B (en) * | 2018-12-11 | 2020-12-29 | 华中科技大学 | Continuous biomass pyrolysis gasification device and method |
| CN111269735A (en) * | 2020-01-21 | 2020-06-12 | 中国特种设备检测研究院 | Biomass three-section type pressurizing high-temperature pyrolysis gasification device |
| CN115247084A (en) * | 2022-07-07 | 2022-10-28 | 重庆科技学院 | High-quality synthesis gas preparation system based on biomass self-heating source pyrolysis gasification |
| CN115247084B (en) * | 2022-07-07 | 2023-11-03 | 重庆科技学院 | High-quality synthesis gas preparation system based on biomass self-heating source pyrolysis gasification |
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