CN101967397A - Biomass gasification reaction stokehold feeding process with multilevel closed partition - Google Patents
Biomass gasification reaction stokehold feeding process with multilevel closed partition Download PDFInfo
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- CN101967397A CN101967397A CN2010105281342A CN201010528134A CN101967397A CN 101967397 A CN101967397 A CN 101967397A CN 2010105281342 A CN2010105281342 A CN 2010105281342A CN 201010528134 A CN201010528134 A CN 201010528134A CN 101967397 A CN101967397 A CN 101967397A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/141—Feedstock
- Y02P20/145—Feedstock the feedstock being materials of biological origin
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Abstract
The invention discloses a biomass gasification reaction stokehold feeding process. At least a layer of temporary storage bin distributed from up to down is arranged on a stokehold, each layer of the temporary storage bin is provided with a feeding hole positioned at the top part and a discharge hole positioned at the bottom, valve connection is arranged between the discharge hole of each layer of the temporary storage bin and the feeding hole of the next layer of the temporary storage bin, and a stokehold feeding device is arranged below the discharge hole of the temporary storage bin at the bottom layer. The process comprises the following steps of: closing a valve of the discharge hole of the next layer of the temporary storage bin of the temporary storage bin where biomass feedstock exists; opening the valve of the discharge hole where the biomass feedstock exists so that the biomass feedstock sequentially enters the following layers of the temporary storages bins until entering the temporary storage bin at the bottom layer; and finally closing the valve of the feeding hole of the temporary storage at the bottom layer, and opening the valve of the discharge hole of the temporary storage bin at the bottom layer so that the biomass feedstock enters the stokehold feeding device. By adopting the process, the phenomenon that fuel gas generated by a biomass gasification furnace returns back to the material temporary storage bin is controlled, and the danger of firing or explosion of the material storage bin because the fuel gas returns back to the material storage bin is greatly reduced.
Description
Technical field
The present invention relates to a kind of biomass gasification reaction stokehold feeding technology that is used for biomass gasification system; More particularly, the present invention relates to a kind of be used for biomass gasification system, that adopt multistage airtight partition, biomass gasification reaction stokehold feeding technology
Background technology
Biogas is a kind of clean fuel, renewable energy source, and its objectionable impurities (sulphur and nitrogen etc.) content only is 1/10 of middle matter bituminous coal, and its energy utilization simultaneously can realize greenhouse gases CO
2Zero release.
Gasifying biomass is meant after the biomass material processing treatment, sends in the vapourizing furnace, carries out gasification cracking under the anoxybiotic condition, obtains inflammable gas, thereby also will obtain fine product gas through the row purifying treatment to output gas according to application need sometimes.
The gasifying biomass principle is under certain thermodynamic condition, effect by means of gasifying medium such as air, oxygen or water vapour etc., make superpolymer generation pyrolysis, oxidation, reduction, the reforming reaction of biomass, further thermally splitting of the tar of pyrolysis association or catalytic cracking become the small molecules hydrocarbon polymer, obtain inflammable gass such as CO, H2 and CH4.Gasifying biomass mainly comprises gasification reaction, synthetic gas catalytic shift and gas isolation of purified process (directly use without isolation of purified).With the air is that gasifying medium is an example, and gasifying biomass chemical reaction general formula can be expressed as:
CH1.4O0.6+0.4O2+1.5N2＝0.7CO+0.3CO2+0.6H2+0.1H2O+(1.5N2)
Generally speaking, biomass are made up of Mierocrystalline cellulose, hemicellulose, xylogen, inert ash etc., oxygen level and fugitive constituent height, and the reactivity of coke is strong, so biomass and coal facies ratio, has higher gasification reactivity, is more suitable for gasification.
Storage device as feed bin, is a kind of device that is used for storing bulk material, mainly plays effects such as relay storage, balanced operation in production process.
Chinese patent ZL200920100261.5 discloses a kind of storing silo with inner cone, its inner cone be arranged in the silo body and be positioned at discharge port directly over, inner cone is affixed by the inwall of sway brace and silo body, be provided with inspection gallery between silo body and inner cone, the center feeding machine places the outside of silo body and is installed in the discharge port place of silo body.It is big that this storing silo has a discharge port area, solved the difficult problem of feed bin putty and bridge formation.
Chinese patent ZL200920149783 discloses a kind of feed bin, this feed bin comprises the warehouse with opening and is used to open or seal the valve of described opening, wherein, described valve is positioned at the outside of described warehouse, described valve comprises track, valve body and drive unit, described valve body is slidably mounted on the described track, and described drive unit is connected with described valve body, is used to drive valve body and slides on described track.This feed bin is arranged on the warehouse outside of feed bin owing to be used to open or seal the valve of the opening of feed bin, thereby need not to enter warehouse inside and feed bin is overhauled and safeguard, thereby can relatively easily carry out the Maintenance and Repair operation.
Chinese patent ZL200520081732.4 discloses a kind of pulsate fluidizing feed bin, is made up of warehouse, cone and cover plate three parts, and cover plate is installed in the warehouse top, which is provided with access opening and air outlet; Warehouse is provided with access opening and opening for feed; Cone is installed in the warehouse lower end, and its underpart is provided with discharge port; Also be provided with dust arrester installation and venting on the warehouse, also be provided with blow device on the cone.The pulsate fluidizing feed bin has solved the problem that material is built bridge in the feed bin bottom owing to increased purging system on the cone of feed bin, makes feed bin not influence the carrying out of whole flow process, has solved the problem of putty; Increased dust arrester installation at the feed bin top, solved the emission problem of workshop dust, the environment in workshop is improved; The setting of venting on the feed bin makes the damage that does not have equipment when blasting, and also can not cause personnel's injures and deaths.
Chinese patent ZL 200920041591 discloses the adjustable compound feed bin in the preceding no end of a kind of biomass stove, feed bin and back feed bin before it comprises; Preceding feed bin and feed bin top, back are equipped with charging belt; The bottom of preceding feed bin is provided with several hoppers, is provided with the loose metal roller in the hopper, and the hopper bottom connects rotary pocket feeder, and the rotary pocket feeder bottom is provided with preceding feed bin material blanking tube; Back feed bin internal upper part is provided with drapery panel, interior bottom is provided with discharge rolls, and the discharge rolls bottom is provided with back feed bin material blanking tube; Before feed bin material blanking tube and feed bin material blanking tube bottom, back correspond to the stokehold adjustable speed flute profile feeding machine of weighing, rotary pocket feeder and discharge rolls are by electric motor driving.This feed bin adjustable blanking of steady and continuous is as required gone into stove, prevents inhomogeneous biomass stove unstable combustion even the flame-out phenomenon that causes boiler short-term fracture to cause of prime biomass feeding system fault or material loading.
In the prior art, as the relative relatively more open structure of its opening for feed of feed bin of storage device, and bore is bigger, make things convenient for entering of material, but, the gas that produces in the production process refluxes easily and escapes from this opening for feed, especially in the biomass gasification reaction system, because reactant gases comprises CO, H
2And CH
4Etc. inflammable, explosive composition, it is leaked in the feed bin and causes easily that biomass material burns even Peril Incident such as feed bin blast in feed bin.
Summary of the invention
At the shortcoming of prior art, the purpose of this invention is to provide the biomass gasification reaction system of the preceding storage device of a kind of biomass stove and this device of application, solved and prevented the problem that reactant gases leaks when in reactive system, feeding in raw material.
To achieve these goals, technical scheme of the present invention is:
A kind ofly be used for feeding technology in biomass gasification reaction stokehold biomass gasification system, that adopt multistage airtight partition, this biomass gasification system is provided with the temporary storing bin (being preferably two-layer or three layers) of the one deck at least of arranging up and down in the stokehold, every layer of temporary storing bin is equipped with opening for feed that is positioned at the top and the discharge port that is positioned at the bottom, between the opening for feed of the discharge port of every layer of temporary storing bin and its following one deck temporary storing bin valve is set, the discharge port below of bottom temporary storing bin is provided with the stokehold pay-off, wherein, the first layer temporary storing bin is positioned at the top; This technology comprises the steps:
(1) closes the valve of following one deck temporary storing bin of biomass material place temporary storing bin, open the valve of biomass material place temporary storing bin, make biomass material enter following each layer temporary storing bin successively, until entering the bottom temporary storing bin;
(2) close the valve of the last layer temporary storing bin of bottom temporary storing bin, open the valve of bottom temporary storing bin, make biomass material enter the stokehold pay-off.
This technology is provided with the multilayer temporary storing bin, a plurality of valves.A kind of extreme case that blocking reaction gas enters temporary storing bin is closeall valve.But like this, the biomass material in the temporary storing bin then can't enter the stokehold pay-off.For gasification reaction is carried out smoothly, adopt above-mentioned steps, when the valve open of certain one deck temporary storing bin, be positioned at the valve closes of its last layer temporary storing bin.So just avoided all temporary storing bin valves to open simultaneously, and made reactant gases enter each layer temporary storing bin unblockedly, be unlikely to reduce speed of response simultaneously because of safety factors.
For better blocking reaction gas, when the valve open of certain one deck temporary storing bin, the valve of all the other each layer temporary storing bins is all closed.Like this, significantly reduced the chance that reactant gases enters temporary storing bin.
When the needs continuously feeding, can a working bin be set at bottom, the last layer of working bin is provided with a plurality of surge bunkers, and a plurality of surge bunkers of this layer all directly link to each other with working bin.On this layer surge bunker the multilayer surge bunker can be set, this multilayer surge bunker can be provided with a plurality of surge bunkers again for every layer.
A kind of preferred mode is, temporary storing bin has two-layer, and last layer is a surge bunker, and following one deck is a working bin.Surge bunker has a plurality of, and working bin has one, and each surge bunker all directly links to each other with working bin, and is provided with valve.Described valve is opened successively, and when some valve opens, all the other valves are all closed.
Owing to will realize multistage interlocking, thereby the necessary layering of temporary storing bin; Yet the number of plies of temporary storing bin number too many or every layer of temporary storing bin is too many, causes waste on the contrary.Thereby can realize that the comparatively economic again way of the present invention is, and temporary storing bin has two-layer, and every layer has a temporary storing bin; Last layer is a surge bunker, and following one deck is a working bin.When the valve open of surge bunker, the valve closes of working bin; When the valve open of working bin, the valve closes of surge bunker
Be suitable for realizing that valve of the present invention can be cylinder valve, ball valve, cylinder valve or other valve.
In addition, consider that the biomass material that carries out gasification reaction is biological particles or powder, can successfully biomass material be imported vapourizing furnace in order to make the stokehold pay-off, this stokehold pay-off is a helix transporting device.
Compared with prior art, the present invention is by being provided with the multilayer temporary storing bin of arranging up and down and between the adjacent two layers temporary storing bin valve being set, each layer valve do not opened simultaneously, realized guaranteeing that outside charging simultaneously smoothly, prevents that the reactant gases of heat in reactive system such as the fluidized bed gasification reactor from leaking.
Below in conjunction with drawings and Examples, further specify the present invention, but the present invention is not limited to these embodiment, any on essence spirit of the present invention improvement or substitute, still belong to scope required for protection in claims of the present invention.
Description of drawings
Fig. 1 is the schema of first kind of embodiment of the present invention;
Fig. 2 is a structural representation of using the biomass gasification reaction system of technology of the present invention.
Embodiment
Feeding technology in stokehold of the present invention has numerous embodiments, and details are as follows.
As shown in Figure 1, first kind of embodiment of the present invention, temporary storing bin have for example 3 layers of multilayers, and tandem array is arranged up and down.Every layer is had only a temporary storing bin.Wherein, the temporary storing bin of bottom one deck is a working bin, and remaining temporary storing bin is a surge bunker.Each temporary storing bin all has the opening for feed that is positioned at its top and is positioned at the discharge port of its bottom, and the bottom discharge mouth place of each temporary storing bin is equipped with valve.The discharge port below of working bin is provided with stokehold pay-off such as helix transporting device.Valve is cylinder valve, ball valve, cylinder valve or other valve.When some valve opens, other valve is all closed, to realize multistage partition gasification reaction gas.Particularly, feeding step is as follows:
(1) closes all valves, biomass material is imported the first layer surge bunker;
(2) close the valve of second layer surge bunker and working bin, open the valve of the first layer surge bunker, make the biomass material in the first layer surge bunker enter second layer surge bunker;
(3) close the valve of working bin and the first layer surge bunker, open the valve of second layer surge bunker, make the biomass material in the second layer surge bunker enter working bin;
(4) close the valve of the first layer surge bunker and second layer surge bunker, open the valve of working bin, make biomass material enter stokehold pay-off such as helix transporting device.
The difference of second kind of embodiment and first kind of embodiment is: temporary storing bin has two-layer, and its last layer is a surge bunker, and one deck is a working bin under it.All the other are identical, do not repeat them here.
The third embodiment is applicable to the reactive system of continuously feeding.Temporary storing bin has two-layer, and its last layer is a surge bunker, and one deck is a working bin under it.The working bin that is positioned at bottom has one, and the surge bunker that is positioned at last layer has a plurality of, and each surge bunker all directly links to each other with working bin, and the discharge port place of each surge bunker all is provided with valve.During charging, a plurality of valves are opened successively, when some valve opens, and all the other valve closess.
Figure 2 shows that the biomass gasification reaction system that uses technology of the present invention, it comprises fluidized bed gasification reactor such as fluidized-bed 1, first tripping device such as cyclonic separator 2, second tripping device such as cyclonic separator 3, gasifying medium plenum system, heat exchanger 5, biomass material plenum system, feed bin 8, horizontal conveying belt 91, high spud angle conveying belt 92, waste pipe 101, slag discharging device such as worm conveyor 102, waste storage device 103, diffuse channel 111, portfire 112, water-sealed valve 12.
Wherein, the top of feed bin 8 has opening for feed, and the bottom has discharge port; Horizontal conveying belt 91 is positioned at the bottom discharge mouth below of feed bin 8, and the initiating terminal of high spud angle conveying belt 92 engages with the end of horizontal conveying belt 91, and the end of high spud angle conveying belt 91 is positioned at its top feed mouth top of surge bunker 61.
The biomass material plenum system comprises surge bunker 61, working bin 62, stokehold pay-off (as worm conveyor 7).The top of surge bunker 61 has opening for feed, and the bottom has discharge port; The top of working bin 62 has opening for feed, and the bottom has discharge port; Surge bunker 61 and working bin 62 are arranged up and down, and its top feed mouth of working bin 62 is positioned at the below of the bottom discharge mouth of surge bunker 61; The bottom discharge mouth place of surge bunker 61 and working bin 62 is provided with rotary valve.The initiating terminal of stokehold pay-off such as worm conveyor 7 is positioned at the bottom discharge mouth below of working bin 62, and its terminal feeds first opening for feed of fluidized-bed 1.
When the needs charging, close the valve of surge bunker 61 and working bin 62, biomass material promptly enters surge bunker 61 from feed bin 8; Close the valve of working bin 62 then, open the valve of surge bunker 61, biomass material promptly enters working bin 62 from surge bunker 61; Close the valve of surge bunker 61 then, open the valve of working bin 62, biomass material promptly enters stokehold pay-off such as worm conveyor 7 from working bin 62; Enter fluidized-bed 1 by worm conveyor 7 at last and participate in reaction.
Fluidized-bed 1 middle part has first opening for feed and second opening for feed; Its bottom has gasifying medium inlet and waste outlet; Its top has material outlet.The waste outlet connects waste pipe 101, and waste pipe 101 exits are equipped with slag discharging device such as worm conveyor 102.Worm conveyor 102 is inclined upwardly, and promptly its discharge end is higher than its feed end.The discharge end of worm conveyor 102 is equipped with waste storage device 103.
The top of first tripping device such as cyclonic separator 2 has material inlet, and this material inlet links to each other by pipeline with the material outlet of fluidized-bed 1; Its middle part has material outlet; Its bottom has loop exit; This loop exit is by pipe connection one regenerant apparatus for temporary storage 21, and the outlet at bottom of regenerant apparatus for temporary storage 21 has first e Foerderanlage such as the worm conveyor that leads to fluidized-bed 1 second opening for feed outward.
The top of second tripping device such as cyclonic separator 3 has material inlet; Its top has gas outlet, and gas outlet connects gas pipeline; Its bottom has loop exit; Loop exit has second e Foerderanlage such as the worm conveyor that leads to regenerant apparatus for temporary storage 21 outward.
Heat exchanger 5 comprises fuel gas inlet, gas outlet and gas inlet, air; Fuel gas inlet is connected gas pipeline respectively with gas outlet; Gas inlet is connected air line respectively with air.
The gas outlet of second tripping device such as cyclonic separator 3 is provided with water-sealed valve 12, and water-sealed valve 12 is positioned at before the heat exchanger 5.Water-sealed valve 12 is provided with one and diffuses mouth, and this diffuses a mouthful connection diffuse channel 111, and the exit end of diffuse channel 111 is provided with portfire 112.
In the present embodiment, the gasifying medium plenum system send device (as gas blower 4) and corresponding pipeline for the wind that links to each other with heat exchanger 5; Certainly, can adopt the gasifying medium plenum system of other form in other embodiments fully.Wind send device such as gas blower 4 to be connected in the gas inlet of heat exchanger 5 by air line, and the air of heat exchanger 5 is connected in the gasifying medium inlet of fluidized-bed 1 bottom, and the bottom of air from fluidized-bed 1 is blown into.The bottom of fluidized-bed 1 is equipped with a plurality of ventilator trunks, and the blast inlet of ventilator trunk communicates with the gas inlet of fluidized-bed 1, is covered with the blast cap of bamboo hat shape on the air outlet of ventilator trunk, is equipped with a plurality of apertures on the blast cap.
The working process of present embodiment is as follows:
Biological particles enters surge bunker 61 from feed bin 8 through horizontal conveying belt 91 and high spud angle conveying belt 92, enters working bin 62 through surge bunker 61, enters fluidized-bed 1 through worm conveyor 7 then.Gas blower 4 is blown in fluidized-bed 1.Biological particles and air effect generate CO, H in fluidized-bed 1
2And CH
4Deng combustion gas and solid waste.Solid waste enters waste storage device 103 through waste pipe 101 and worm conveyor 102.
Combustion gas and not the biological particles of complete reaction enter cyclonic separator 2, combustion gas and lighter biological particles enter cyclonic separator 3 after separating, heavier biological particles returns fluidized-bed 1 by worm conveyor and continues to participate in reaction.
In cyclonic separator 3, combustion gas further separates with lighter biological particles, and combustion gas enters gas pipeline, heats the air that is used to react by heat exchanger 5, combustion gas simultaneously is cooled, and the downstream unit of biomass gasification reaction system is delivered in the combustion gas that is cooled.Unnecessary combustion gas enters diffuse channel 111, in the lit-end of diffuse channel 111.
Claims (10)
1. one kind is used for feeding technology in biomass gasification reaction stokehold biomass gasification system, that adopt multistage airtight partition, this biomass gasification system is provided with the temporary storing bin of the one deck at least of arranging up and down in the stokehold, every layer of temporary storing bin is equipped with opening for feed that is positioned at the top and the discharge port that is positioned at the bottom, between the opening for feed of the discharge port of every layer of temporary storing bin and its following one deck temporary storing bin valve is set, the discharge port below of bottom temporary storing bin is provided with the stokehold pay-off, wherein, the first layer temporary storing bin is positioned at the top; This technology comprises the steps:
(1) closes the valve of following one deck temporary storing bin of biomass material place temporary storing bin, open the valve of biomass material place temporary storing bin, make biomass material enter following each layer temporary storing bin successively, until entering the bottom temporary storing bin;
(2) close the valve of the last layer temporary storing bin of bottom temporary storing bin, open the valve of bottom temporary storing bin, make biomass material enter the stokehold pay-off.
2. technology according to claim 1 is characterized in that, when the valve open of certain one deck temporary storing bin, the valve of all the other each layer temporary storing bins is all closed.
3. technology according to claim 1 is characterized in that, every layer of temporary storing bin comprises a plurality of temporary storing bins.
4. technology according to claim 3 is characterized in that, the bottom discharge mouth of each temporary storing bin is equipped with valve.
5. technology according to claim 4 is characterized in that described temporary storing bin has two-layer, and last layer is a surge bunker, and following one deck is a working bin; Surge bunker has a plurality of, and working bin has only one.
6. technology according to claim 5 is characterized in that each surge bunker all directly links to each other with working bin, and is provided with valve.
7. technology according to claim 6 is characterized in that described valve is opened successively, and when some valve opens, all the other valves are all closed.
8. technology according to claim 1 is characterized in that described temporary storing bin has two-layer, and every layer has a temporary storing bin; Last layer is a surge bunker, and following one deck is a working bin.
9. technology according to claim 1 is characterized in that, described valve is cylinder valve, ball valve or cylinder valve.
10. technology according to claim 1 is characterized in that, described stokehold pay-off is a helix transporting device.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105281342A CN101967397A (en) | 2010-11-01 | 2010-11-01 | Biomass gasification reaction stokehold feeding process with multilevel closed partition |
| PCT/CN2011/081378 WO2012059016A1 (en) | 2010-11-01 | 2011-10-27 | Biomass gasification process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105281342A CN101967397A (en) | 2010-11-01 | 2010-11-01 | Biomass gasification reaction stokehold feeding process with multilevel closed partition |
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| CN101967397A true CN101967397A (en) | 2011-02-09 |
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| CN2010105281342A Pending CN101967397A (en) | 2010-11-01 | 2010-11-01 | Biomass gasification reaction stokehold feeding process with multilevel closed partition |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102433160A (en) * | 2011-08-30 | 2012-05-02 | 张建超 | Control method for biomass gasification equipment |
| CN103666567A (en) * | 2012-09-20 | 2014-03-26 | 赵广健 | Boiling type biomass gasification system |
| CN105199783A (en) * | 2015-10-27 | 2015-12-30 | 北京神雾环境能源科技集团股份有限公司 | Stock bin assembly and biomass gasification system |
| CN113816023A (en) * | 2021-09-27 | 2021-12-21 | 浙江中烟工业有限责任公司 | Tobacco leaf raw material bin and tobacco leaf raw material processing system |
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| JPS57205488A (en) * | 1981-06-12 | 1982-12-16 | Hitachi Ltd | Coal supply to gasifier |
| CN101387406A (en) * | 2008-10-15 | 2009-03-18 | 东南大学 | Star type and spiral combined coal supply apparatus |
| CN201593035U (en) * | 2009-12-16 | 2010-09-29 | 王士元 | Gas production device using spiral dry distillation and decomposition of biomass |
| CN101863383A (en) * | 2010-06-03 | 2010-10-20 | 合肥天焱绿色能源开发有限公司 | High-pressure continuous dense-phase biomass powder conveying device with height of delivery outlet adjustable |
-
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57205488A (en) * | 1981-06-12 | 1982-12-16 | Hitachi Ltd | Coal supply to gasifier |
| CN101387406A (en) * | 2008-10-15 | 2009-03-18 | 东南大学 | Star type and spiral combined coal supply apparatus |
| CN201593035U (en) * | 2009-12-16 | 2010-09-29 | 王士元 | Gas production device using spiral dry distillation and decomposition of biomass |
| CN101863383A (en) * | 2010-06-03 | 2010-10-20 | 合肥天焱绿色能源开发有限公司 | High-pressure continuous dense-phase biomass powder conveying device with height of delivery outlet adjustable |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102433160A (en) * | 2011-08-30 | 2012-05-02 | 张建超 | Control method for biomass gasification equipment |
| CN102433160B (en) * | 2011-08-30 | 2013-10-02 | 张建超 | Control method for biomass gasification equipment |
| CN103666567A (en) * | 2012-09-20 | 2014-03-26 | 赵广健 | Boiling type biomass gasification system |
| CN105199783A (en) * | 2015-10-27 | 2015-12-30 | 北京神雾环境能源科技集团股份有限公司 | Stock bin assembly and biomass gasification system |
| CN113816023A (en) * | 2021-09-27 | 2021-12-21 | 浙江中烟工业有限责任公司 | Tobacco leaf raw material bin and tobacco leaf raw material processing system |
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Application publication date: 20110209 |