CN115109619A - Biomass gasification furnace, double-furnace gasification device and biomass gasification system - Google Patents

Biomass gasification furnace, double-furnace gasification device and biomass gasification system Download PDF

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Publication number
CN115109619A
CN115109619A CN202210580425.9A CN202210580425A CN115109619A CN 115109619 A CN115109619 A CN 115109619A CN 202210580425 A CN202210580425 A CN 202210580425A CN 115109619 A CN115109619 A CN 115109619A
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China
Prior art keywords
furnace
furnace body
gasification
biomass
tee
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CN202210580425.9A
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Chinese (zh)
Inventor
江龙
柳顺
杜宽
何琦
徐俊
汪一
苏胜
胡松
向军
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Huazhong University of Science and Technology
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Huazhong University of Science and Technology
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Priority to CN202210580425.9A priority Critical patent/CN115109619A/en
Publication of CN115109619A publication Critical patent/CN115109619A/en
Pending legal-status Critical Current

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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
    • C10J3/46—Gasification of granular or pulverulent flues in suspension
    • C10J3/48—Apparatus; Plants
    • 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
    • C10J3/721—Multistage gasification, e.g. plural parallel or serial gasification stages
    • 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
    • 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
    • C10J2300/12—Heating the gasifier
    • C10J2300/1223—Heating the gasifier by burners
    • 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
    • C10J2300/12—Heating the gasifier
    • C10J2300/1284—Heating the gasifier by renewable energy, e.g. solar energy, photovoltaic cells, wind
    • C10J2300/1292—Heating the gasifier by renewable energy, e.g. solar energy, photovoltaic cells, wind mSolar energy

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

The invention discloses a biomass gasification furnace, a double-furnace gasification device and a biomass gasification system, wherein the biomass gasification furnace is used for gasifying biomass powder to produce combustible gas and comprises a furnace body, a cyclone separator and a heat collecting piece, the upper end of the furnace body is provided with a transparent lighting window, the lower end of the furnace body is provided with an air supply port communicated with the interior of the furnace body, the bottom wall of the furnace body is provided with a filter screen, the lower end of the side wall of the furnace body is provided with a raw material inlet and an ash falling port, the upper end of the side wall of the furnace body is provided with a discharge port, an air inlet of the cyclone separator is communicated with the discharge port of the furnace body, the heat collecting piece is arranged at the upper end of the furnace body and is positioned under the lighting window, a solar beam enters the furnace body through transparent glass and heats the heat collecting piece, and heat transfer particles are contained in the furnace body, the biomass gasification furnace has a simple structure, and the biomass powder is gasified in the furnace body under the heating condition to generate combustible gas.

Description

Biomass gasification furnace, double-furnace gasification device and biomass gasification system
Technical Field
The invention belongs to the field of gasification furnaces, and particularly relates to a biomass gasification furnace, a double-furnace gasification device and a biomass gasification system,
background
At present, a large amount of energy is consumed when the biomass gasification furnace works, and although the biomass gasification furnace based on solar energy supply is provided at present, the biomass gasification furnace still needs to be supplied with energy by means of external force when sunlight is insufficient so as to ensure continuous work.
Disclosure of Invention
In order to solve the above-described problems, an object of the present invention is to provide a biomass gasification furnace which has a simple structure and can gasify biomass.
In order to achieve the purpose, the technical scheme of the invention is as follows: the utility model provides a biomass gasification stove, its is used for biomass powder to carry out gasification treatment in order to produce combustible gas, includes furnace body, cyclone and adopts hot piece, the upper end of furnace body is equipped with transparent daylighting window, the lower extreme of furnace body is equipped with the air supply mouth rather than inside intercommunication, just the diapire is equipped with the filter screen in the furnace body, the lower extreme of furnace body lateral wall is equipped with raw materials entry and ash falling hole, the upper end of furnace body lateral wall is equipped with the discharge gate, cyclone's air inlet with the discharge gate intercommunication of furnace body, adopt hot piece set up in upper end in the furnace body, and lie in adopt the window under, the solar beam warp clear glass kicks into in the furnace body, and right adopt hot piece heating, the furnace body is built-in to contain the heat transfer granule.
The beneficial effects of the above technical scheme are that: so accessible raw materials entry lets in the living beings powder in toward the furnace body, and gas supply port lets in the gasification agent toward the furnace body, and the gasification agent makes heat transfer granule and living beings powder in the furnace body be the boiling form this moment, and the solar energy that transparent window jetted into heats in to the furnace body and makes the gasification of living beings powder generate combustible gas, produces charcoal sediment class residue simultaneously, and the material in the furnace body carries out gas-solid separation after entering into cyclone.
In the technical scheme, the heat collecting piece is a honeycomb ceramic block.
The beneficial effects of the above technical scheme are that: the heat absorption effect is good, and the heat storage performance is good.
The heat transfer particles in the above technical solution include silica particles and silicon carbide particles.
The beneficial effects of the above technical scheme are that: the heat transfer efficiency is good, and the heat storage performance is good.
In the technical scheme, the mass ratio of the silicon dioxide particles to the silicon carbide particles is 4: 1.
the beneficial effects of the above technical scheme are that: the heat transfer efficiency is high.
In the technical scheme, the raw material inlet is provided with a rotary feeder which is used for feeding biomass powder into the furnace body.
The beneficial effects of the above technical scheme are that: the feeding effect is good.
The invention also aims to provide a double-furnace gasification device which has a simple structure and can utilize solar energy resources to supply energy in the daytime and utilize the carbon slag obtained after biomass gasification as energy at night.
In order to achieve the purpose, the technical scheme of the invention is as follows: the double-furnace gasification device comprises two biomass gasification furnaces, wherein the two biomass gasification furnaces are horizontally arranged at intervals, and a dust outlet of each cyclone separator is communicated with a dust falling port of the other furnace body.
The beneficial effects of the above technical scheme are that: thus, the two furnace bodies can be used cooperatively, when the sunlight is sufficient in the daytime, the biomass powder and the gasifying agent can be introduced into the two furnace bodies and are supplied with energy by solar energy through the lighting window, at the moment, the two furnace bodies both produce combustible gas, when the sunlight is insufficient in daytime or at night, one furnace body can be used as a gasification furnace and the other furnace body can be used as a combustion furnace, biomass is not introduced into a raw material inlet of the combustion furnace, biomass powder and a gasification agent are introduced into the gasification furnace, at the moment, when the two cyclone separators operate, the cyclone separator corresponding to the gasification furnace sends the carbon slag and the heat transfer particles in the gasification furnace into the combustion furnace (the carbon slag enters the combustion furnace for combustion and heating), the cyclone separator corresponding to the combustion furnace returns the heat transfer particles with heat stored in the cyclone separator to the gasification furnace, thereby realizing material flow and heat energy flow of the combustion furnace and the gasification furnace, and the combustible gas generated in the gasification furnace is discharged through the gas outlet of the corresponding cyclone separator.
The technical scheme also comprises a first three-way piece, the air outlets of the two cyclone separators are communicated with two connectors of the first three-way piece, and the rest connectors of the first three-way piece are used as gas outlets after confluence.
The beneficial effects of the above technical scheme are that: the result is simple.
The cyclone separator further comprises a second three-way piece and a first valve, wherein the air outlet of one cyclone separator is communicated with the corresponding interface of the first three-way piece through the second three-way piece, the rest interfaces of the second three-way piece are used as smoke outlets, and the smoke outlets and the communication positions of the second three-way piece and the first three-way piece are respectively provided with the first valve.
The beneficial effects of the above technical scheme are that: the biomass gasification furnace comprises a first valve, a second valve, a first valve and a second valve, wherein the first valve is communicated with the second valve, the second valve is communicated with the first valve, and the first valve is opened when the biomass gasification furnace is used as a combustion furnace.
The technical scheme includes that the gasification furnace further comprises a gasification agent supply device and two fans, the two fans correspond to the two furnace bodies one by one, an air outlet of each fan is communicated with an air supply port corresponding to the furnace bodies, a third tee piece is arranged at an air inlet of one of the fans, the rest one interface of the third tee piece and the rest one air inlet of the other fan are communicated with an air outlet of the gasification agent supply device, the rest other interface of the third tee piece serves as an air inlet, and second valves are arranged at the rest two interfaces of the third tee piece.
The beneficial effects of the above technical scheme are that: therefore, the flow rate of the gasifying agent or the air introduced into the furnace body is increased, and the heat transfer particles and the biomass powder of the furnace body are in a boiling state.
The invention further aims to provide a biomass gasification system which is simple in structure and can fully utilize solar energy for energy supply.
In order to achieve the purpose, the technical scheme of the invention is as follows: a biomass gasification system comprises a heliostat array, a plurality of concave reflectors and at least one double-furnace gasification device, wherein the double-furnace gasification device is arranged in the middle of the heliostat array, the concave reflectors correspond to furnace bodies one by one, each concave reflector is arranged right above the corresponding furnace body, the concave surface of each concave reflector faces downwards, and the concave surface of each concave reflector is used for downwardly focusing solar energy reflected by the heliostat array and emitting the solar energy into the corresponding furnace body.
The beneficial effects of the above technical scheme are that: the solar water heater is simple in structure and can fully utilize solar energy.
Drawings
FIG. 1 is a schematic view of a biomass gasification furnace according to example 1 of the present invention;
FIG. 2 is a schematic view showing the structure of a twin-furnace gasification apparatus according to example 2 of the present invention;
FIG. 3 is a schematic view of a biomass gasification system according to example 3 of the present invention.
In the figure: 1 double-furnace gasification device, 11 biomass gasification furnace, 111 furnace body, 1111 lighting window, 1112 air supply port, 1113 filter screen, 1114 raw material inlet, 1115 ash falling port, 1116 discharge port, 112 cyclone separator, 113 heating element, 114 rotary feeder, 12 first tee joint element, 13 second tee joint element, 14 first valve, 15 gasification agent supply device, 16 fan, 17 third tee joint element, 18 second valve, 2 heliostat array and 3 concave reflector.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention. The invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. Advantages and features of the present invention will become apparent from the following description and from the claims. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.
Example 1
As shown in fig. 1, the embodiment provides a biomass gasification furnace for gasifying biomass powder to produce combustible gas, comprising a furnace body 111, a cyclone separator 112 and a heat collecting element 113, wherein the upper end of the furnace body 111 is provided with a transparent light collecting window 1111 (multilayer transparent explosion-proof glass can be sealed and installed at the light collecting window), the lower end of the furnace body 111 is provided with an air supply port 1112 communicated with the inside of the furnace body 111, a filter net 1113 is arranged on the bottom wall of the furnace body 111, the lower end of the side wall of the furnace body 111 is provided with a raw material inlet 1114 and an ash dropping port 1115, the upper end of the side wall of the furnace body 111 is provided with a discharge port 1116, the air inlet of the cyclone separator 112 is communicated with the discharge port 1116 of the furnace body 111, the heat collecting element 113 is arranged at the upper end inside the furnace body 111 and is positioned right below the light collecting window, solar beams are emitted into the furnace body 111 through the transparent glass, and to adopt heat piece 113 heating, the furnace body 111 is built-in to be accommodated and has had heat transfer particle, so accessible raw materials entry lets in biomass powder in the furnace body, and gas supply port lets in the gasification agent in the furnace body, and the gasification agent makes heat transfer particle and biomass powder in the furnace body be the boiling form this moment, and the solar energy that transparent window penetrated heats in making biomass powder gasification generate combustible gas in the furnace body, produces charcoal sediment class residue simultaneously, and the material in the furnace body carries out gas-solid separation after entering cyclone.
In the above technical scheme, the heat collecting piece 113 is a honeycomb ceramic block, which has good heat absorption effect and good heat storage performance.
The heat transfer particles in the technical scheme comprise silicon dioxide particles and silicon carbide particles (the particle size of the particles is larger than 50 meshes, and the particle size of the particles is larger than that of a filter screen with 50 meshes, so that the heat transfer particles are not easy to fall off from the filter screen), the heat transfer efficiency is good, and the heat storage performance is good.
In the technical scheme, the mass ratio of the silicon dioxide particles to the silicon carbide particles is 4: 1, the heat transfer efficiency is high.
In the above technical scheme, the rotary feeder 114 is arranged at the raw material inlet 1114, and the rotary feeder 114 is used for feeding biomass powder into the furnace body 111, so that the feeding effect is good.
Wherein, the gasifying agent can comprise air or water vapor, the biomass powder is reacted under the air atmosphere and the high temperature condition, and the water vapor is added to finally produce the hydrogen and the carbon monoxide.
Example 2
As shown in fig. 2, the present embodiment provides a dual-furnace gasification apparatus, which includes two biomass gasification furnaces 11 as described above, the two biomass gasification furnaces 11 are horizontally spaced, the dust outlet of each cyclone 112 is connected to the ash drop 1115 of the other furnace 111, so that the two furnaces can be used cooperatively, when the sunlight is sufficient in daytime, biomass powder and gasifying agent can be introduced into the two furnaces, and both the two furnaces are powered by solar energy through a lighting window, at this time, both furnaces produce combustible gas, and when the sunlight is insufficient in daytime or at night, one furnace can be used as a gasification furnace and the other furnace can be used as a combustion furnace, the raw material inlet of the combustion furnace does not introduce biomass, the biomass powder and the gasifying agent are introduced into the gasification furnace, at this time, when the two cyclones operate, the cyclones corresponding to the gasification furnace send carbon slag and heat transfer particles in the gasification furnace into the combustion furnace (the carbon slag enters the combustion furnace for combustion and heating), and the cyclone separator corresponding to the combustion furnace returns the heat transfer particles stored with heat in the cyclone separator to the gasification furnace, so that material flow and heat energy flow of the combustion furnace and the gasification furnace are realized, and combustible gas generated in the gasification furnace is discharged through the gas outlet of the corresponding cyclone separator.
The technical scheme also comprises a first three-way piece 12, the air outlets of the two cyclone separators 112 are communicated with two interfaces of the first three-way piece 12, and the rest interfaces of the first three-way piece 12 are used as the merged gas outlet, so that the result is simple.
In the above technical solution, the biomass gasification furnace further comprises a second three-way member 13 and a first valve 14, wherein an air outlet of one of the cyclones 112 is communicated with a corresponding interface of the first three-way member 12 through the second three-way member 13, the remaining interface of the second three-way member 13 is used as an exhaust port, and the exhaust port and the communication part of the second three-way member 13 and the first three-way member 12 are both provided with the first valve 14, wherein the corresponding biomass gasification furnace can be used as a combustion furnace when the illumination is insufficient or at night through the second three-way member and the two first valves, and the flue gas generated by combustion in the biomass gasification furnace is exhausted through the exhaust port, one of the two first valves is conducted, when the biomass gasification furnace is used as a gasification furnace, the first valve at the communication part of the second three-way member and the first three-way member is opened, and when the biomass gasification furnace is used as a combustion furnace, the first valve at the second three-way exhaust port is opened.
The technical scheme includes that the biomass gasification furnace further comprises a gasification agent supply device 15 and two fans 16, the two fans 16 correspond to the two furnace bodies 111 one by one, an air outlet of each fan 16 is communicated with an air supply port 1112 corresponding to the furnace body 111, a third tee piece 17 is arranged at an air inlet of one fan 16, the rest interface of the third tee piece 17 and the air inlet of the other fan 16 are both communicated with an air outlet of the gasification agent supply device 15, the rest interface of the third tee piece 17 is used as an air inlet, and second valves 18 are arranged at the rest two interfaces of the third tee piece 17, so that the flow rate of the gasification agent introduced into the furnace body is increased, and the heat transfer particles and the biomass powder of the furnace body are in a boiling state.
Example 3
As shown in fig. 3, the present embodiment discloses a biomass gasification system, which includes a heliostat array 2, a plurality of concave mirrors 3, and at least one dual-furnace gasification device 1 according to embodiment 2, where the dual-furnace gasification device 1 is disposed in the middle of the heliostat array 2, the plurality of concave mirrors 3 correspond to the plurality of furnace bodies 111 one by one, each concave mirror 3 is disposed right above the corresponding furnace body 111, and its concave surface faces downward, and the concave surface of the concave mirror 3 is used to focus the solar energy reflected by the heliostat array 2 downward and inject the solar energy into the corresponding furnace body 111.
It should be noted that the above detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein.
Also, when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
For ease of description, spatially relative terms, such as "over", "above", "on", "upper surface", "over", and the like, may be used herein to describe one element or feature's spatial relationship to another element or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures.
For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above" may include both an orientation of "above" and "below". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
The foregoing is illustrative of the preferred embodiments of the present invention, and is not to be construed as limiting the invention in any way; the present invention may be readily implemented by those of ordinary skill in the art as illustrated in the accompanying drawings and described above; however, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the scope of the invention as defined by the appended claims; meanwhile, any changes, modifications, and evolutions of the equivalent changes of the above embodiments according to the actual techniques of the present invention are still within the protection scope of the technical solution of the present invention.

Claims (10)

1. The utility model provides a biomass gasification stove, it is used for biomass powder to carry out gasification treatment in order to produce combustible gas, its characterized in that, includes furnace body (111), cyclone (112) and adopts heat spare (113), the upper end of furnace body (111) is equipped with transparent daylighting window (1111), the lower extreme of furnace body (111) is equipped with air feed mouth (1112) rather than inside intercommunication, just the bottom wall is equipped with filter screen (1113) in furnace body (111), the lower extreme of furnace body (111) lateral wall is equipped with raw materials entry (1114) and ash falling mouth (1115), the upper end of furnace body (111) lateral wall is equipped with discharge gate (1116), the air inlet of cyclone (112) with discharge gate (1116) intercommunication of furnace body (111), adopt heat spare (113) set up in upper end in furnace body (111) to be located under the daylighting window, the sun beam process transparent glass jets into in furnace body (111), and heat the heat collecting piece (113), and heat transfer particles are contained in the furnace body (111).
2. The biomass gasification furnace according to claim 1, wherein the heat collecting member (113) is a honeycomb ceramic block.
3. The biomass gasifier according to claim 1, wherein the heat transfer particles comprise silica particles and silicon carbide particles.
4. The biomass gasifier according to claim 3, wherein the mass ratio of the silica particles to the silicon carbide particles is 4: 1.
5. the biomass gasification furnace according to any one of claims 1 to 4, characterized in that a rotary feeder (114) is provided at the raw material inlet (1114), and the rotary feeder (114) is used for feeding biomass powder into the furnace body (111).
6. A twin-furnace gasification apparatus comprising two biomass gasification furnaces (11) according to any one of claims 1 to 5, wherein the two biomass gasification furnaces (11) are horizontally spaced, and the dust outlet of each cyclone (112) is communicated with the dust drop port (1115) of the other furnace body (111).
7. The twin-furnace gasification device according to claim 6, further comprising a first tee (12), wherein the outlets of the two cyclones (112) are communicated with two ports of the first tee (12), and the rest of the ports of the first tee (12) are used as the outlet of the merged fuel gas.
8. The double-furnace gasification device according to claim 7, further comprising a second three-way piece (13) and a first valve (14), wherein the outlet of one cyclone separator (112) is communicated with the corresponding port of the first three-way piece (12) through the second three-way piece (13), the rest ports of the second three-way piece (13) are used as smoke outlets, and the first valve (14) is arranged at the communication positions of the second three-way piece (13), the first three-way piece (12) and the corresponding outlet of the cyclone separator (112).
9. The double-furnace gasification device according to any one of claims 6 to 8, further comprising a gasification agent supply device (15) and two fans (16), wherein the two fans (16) correspond to the two furnace bodies (111) one by one, an air outlet of each fan (16) is communicated with an air supply port (1112) of the corresponding furnace body (111), a third tee (17) is arranged at an air inlet of one of the fans (16), the rest one port of the third tee (17) and an air inlet of the other fan (16) are both communicated with an air outlet of the gasification agent supply device (15), the rest other port of the third tee (17) serves as an air inlet, and the rest two ports of the third tee (17) are both provided with second valves (18).
10. A biomass gasification system, comprising a heliostat array (2), a plurality of concave mirrors (3) and at least one dual-furnace gasification device (1) according to any one of claims 6 to 9, wherein the dual-furnace gasification device (1) is arranged in the middle of the heliostat array (2), the plurality of concave mirrors (3) correspond to the plurality of furnace bodies (111) one by one, each concave mirror (3) is arranged right above the corresponding furnace body (111) and has a downward concave surface, and the concave surfaces of the concave mirrors (3) are used for focusing the solar energy reflected by the heliostat array (2) downwards and injecting the solar energy into the corresponding furnace body (111).
CN202210580425.9A 2022-05-25 2022-05-25 Biomass gasification furnace, double-furnace gasification device and biomass gasification system Pending CN115109619A (en)

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Citations (9)

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