CN202072674U - High-speed biomass circulating fluidized bed gasifier - Google Patents
High-speed biomass circulating fluidized bed gasifier Download PDFInfo
- Publication number
- CN202072674U CN202072674U CN2011201626207U CN201120162620U CN202072674U CN 202072674 U CN202072674 U CN 202072674U CN 2011201626207 U CN2011201626207 U CN 2011201626207U CN 201120162620 U CN201120162620 U CN 201120162620U CN 202072674 U CN202072674 U CN 202072674U
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- Prior art keywords
- riser tube
- air distribution
- biomass
- returning device
- material returning
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- Expired - Lifetime
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- 239000002028 Biomass Substances 0.000 title claims abstract description 53
- 239000000463 material Substances 0.000 claims abstract description 49
- 238000002309 gasification Methods 0.000 claims abstract description 34
- 239000004744 fabric Substances 0.000 claims description 9
- 230000008676 import Effects 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 abstract description 9
- 239000000446 fuel Substances 0.000 abstract description 6
- 239000007789 gas Substances 0.000 description 7
- 239000000567 combustion gas Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 241000196324 Embryophyta Species 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000002737 fuel gas Substances 0.000 description 2
- 239000010903 husk Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000010902 straw Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 241000195493 Cryptophyta Species 0.000 description 1
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 235000010627 Phaseolus vulgaris Nutrition 0.000 description 1
- 244000046052 Phaseolus vulgaris Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- -1 and branch Substances 0.000 description 1
- 239000002956 ash Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Images
Landscapes
- Fluidized-Bed Combustion And Resonant Combustion (AREA)
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
Abstract
The utility model relates to a high-speed biomass circulating fluidized bed gasifier which comprises a lifting tube, an air distribution system, a cyclone separator and a return device; the lifting tube is provided with a feed opening; the air distribution system is arranged at the bottom of the lifting tube, and comprises an air chamber, an air distribution board and an air cap; the air distribution board is arranged at the upper part in the air chamber; the air cap is arranged on the air distribution board; an outlet at the upper part of the lifting tube is connected with the cyclone separator; the lower part of the cyclone separator is connected with an inlet of the return device; and an outlet of the return device is connected with the bottom of the lifting tube. The high-speed biomass circulating fluidized bed gasifier adopts a unique structure to gasify biomass materials, the high-efficiency cyclone separator and the return device can ensure the circulation volume of large materials and a plurality of times of reaction of the biomass materials, so that a temperature field of the gasifier is well controlled, and the stable and high-efficiency gasification of biomass fuel is realized.
Description
Technical field
The utility model relates to the biomass gasification technology field, specifically is a kind of biomass high speed circle fluidized-bed gasification furnace.
Background technology
Biomass energy is the important energy source that the mankind depend on for existence always, occupies critical role in whole energy resource system, and it is only second to coal, oil and natural gas and occupy the 4th of world energy sources total quantity consumed.The kind that biomass are concrete is a lot, mainly refers to timber, farm crop (stalk, straw, straw, beans stalk, cotton stalk, husk etc.), weeds, algae etc.China's biomass energy is also very abundant, the biomass resource that can be developed as the energy reaches more than 300,000,000 ton of mark coal, and along with the development of agricultural and forestry, particularly along with the develop and spread of speed life charcoal firewood woods, the biomass resource of China will get more and more, and very large development and utilization potentiality are arranged.
Gasifying biomass is that biomass material is converted into inflammable gas, and the utilising efficiency of biological fuel gas is higher, and of many uses, can be used as life coal gas, burning boiler or generating.Biomass gasifying furnace is one of important technology of biomass utilization, it is mainly to be the waste of farm crop with plant, for example stalk, rice husk, and branch, wood chip, weeds etc. carry out combustion gasification as raw material, obtain inflammable gas---the technology of energy raw material.In the prior art, biomass gasifying furnace generally comprises the outlet of gasification body of heater, the feed mechanism that is positioned at upper of furnace body, portfire, the air inlet device of stove, the slagging device of being located at bottom of furnace body and inflammable gas and is used for dust separating dedusting mechanism, biomass material enters in the body of heater by feed mechanism, with enter oxidizing reaction and reduction reaction in the intravital oxygen course of emergency of the stove body of heater by air inlet device, promptly produce CO, CH
4, H
2Discharge from gas outlet Deng inflammable gas (comprising impurity such as dust, tar), the incendiary ashes fall into slagging device drains, and inflammable gas needs to carry out dedusting through dedusting mechanism in the process of discharging body of heater, so that clean as far as possible inflammable gas to be provided.
Biomass gasification device adopts modes such as fixed bed, low speed circulating fluidized bed usually at present.Wherein fixed bed gasification mode device is simple, but efficient is lower, and low speed circulating fluidized bed relative fixed bed efficient increases, but biomass material still can not make full use of.
Summary of the invention
The utility model provides a kind of biomass high speed circle fluidized-bed gasification furnace, and it has comprehensively adopted technology such as cyclonic separation, high internal circulating load operation, realizes efficient, stable, the mass-producing utilization of gasifying biomass.
A kind of biomass high speed circle fluidized-bed gasification furnace, comprise riser tube, cloth wind system, cyclonic separator and material returning device, riser tube offers charging opening, described cloth wind system is located at the riser tube bottom, described cloth wind system comprises air compartment, air distribution plate and blast cap, air distribution plate is arranged at the top in the air compartment, blast cap is arranged on the air distribution plate, the top outlet of riser tube is connected with cyclonic separator, the top of cyclonic separator is provided with outlet conduit, the bottom of cyclonic separator is connected with the import of material returning device, and the outlet of material returning device links to each other with the riser tube bottom.
As above-mentioned biomass high speed circle fluidized-bed gasification furnace, the bottom of cyclonic separator is connected by the import of standpipe and material returning device.
As above-mentioned biomass high speed circle fluidized-bed gasification furnace, the charging opening on the riser tube is apart from air distribution plate 2～2.5m.
As above-mentioned biomass high speed circle fluidized-bed gasification furnace, riser tube is straight tubular, the top outlet of riser tube and downward-sloping 10～15 ° of the connecting passage of cyclonic separator.
As above-mentioned biomass high speed circle fluidized-bed gasification furnace, the outlet of material returning device is positioned at 2～3m place on the air distribution plate, and the outlet of material returning device becomes 45～60 ° with the connecting tube of riser tube bottom with horizontal plane.
As above-mentioned biomass high speed circle fluidized-bed gasification furnace, be provided with dividing plate in the middle of the material returning device, the lower edge of dividing plate is apart from material returning device bottom 300～800mm.
As above-mentioned biomass high speed circle fluidized-bed gasification furnace, air distribution plate is circular, and the center of air distribution plate is connected to scum pipe, and the internal diameter of scum pipe is 100～200mm.
The utility model biomass high speed circle fluidized-bed gasification furnace, adopt unique texture that biomass material is gasified, cyclonic separator and material returning device design efficiently can guarantee the repeatedly reaction of big solid circulating rate and biomass material, thereby stable, the high-efficiency gasification of biomass fuel have been realized in the temperature field of fine control vapourizing furnace.
Description of drawings
Fig. 1 is the structural representation of the utility model biomass high speed circle fluidized-bed gasification furnace.
Among the figure: 1-riser tube, 2-charging opening, 3-blast cap, 4-air distribution plate, 5-air compartment, 6-scum pipe, 7-material returning device, 8-dividing plate, 9-standpipe, 10-cyclonic separator, 11-outlet conduit.
Embodiment
Below in conjunction with the accompanying drawing in the utility model, the technical scheme in the utility model is clearly and completely described.
Figure 1 shows that the structural representation of the utility model biomass high speed circle fluidized-bed gasification furnace, described biomass high speed circle fluidized-bed gasification furnace comprises riser tube 1, cloth wind system, cyclonic separator 10 and material returning device 7.Riser tube 1 offers charging opening 2, and described cloth wind system is located at riser tube 1 bottom, and described cloth wind system comprises air compartment 5, air distribution plate 4 and blast cap 3, and air distribution plate 4 is arranged at the top in the air compartment 5, and blast cap 3 is arranged on the air distribution plate 4.The top outlet of riser tube 1 is connected with cyclonic separator 10, the top of cyclonic separator 10 is provided with outlet conduit 11, the bottom of cyclonic separator 10 is connected with the import of material returning device 7, concrete, the bottom of cyclonic separator 10 is connected by the import of standpipe 9 and material returning device 7, the outlet of material returning device 7 links to each other with riser tube 1 bottom, forms the material circulation loop.
Described riser tube 1 is straight tubular, and the air distribution plate 4 of riser tube 1 bottom is circular, and air distribution plate 4 centers are connected to scum pipe 6, and scum pipe 6 internal diameters are 100～200mm.Air enters riser tube 1 bottom as vaporized chemical by air compartment 5, makes that bed material (inert particles such as river sand that particle diameter 1mm is following or cinder) is realized fluidized state in the riser tube 1, and with the biomass fuel reaction that adds, produce biological fuel gas.Charging opening 2 in the riser tube 1 is apart from air distribution plate 2～2.5m.The outlet of material returning device 7 is positioned at 2～3m place on the air distribution plate, and the connecting tube and the horizontal plane angle of the outlet of material returning device 7 and riser tube 1 bottom are 45～60 °.Be provided with the dividing plate 8 that is used to control the returning charge amount in the middle of the material returning device 7, dividing plate 8 lower edges are apart from material returning device 7 bottoms 300～800mm.
Riser tube 1 top connects cyclonic separator 10 in the utility model, the top outlet of riser tube 1 and downward-sloping 10～15 ° of the connecting passage of cyclonic separator 10, the combustion gas that reaction produces enters cyclonic separator 10 by connecting passage, the bed material that combustion gas is carried and not the biological particles of complete reaction be collected by standpipe 9 and enter material returning device 7, combustion gas enters outlet conduit 11.
In the utility model in the vapourizing furnace material circulation realize by cyclonic separator 10 and material returning device 7, material returning device 7 is connected with riser tube 1 bottom, the mass transport that cyclonic separator 10 separates is gone back to riser tube 1 bottom, guarantee fuel and in circulation repeatedly gasification reaction more completely, thereby improve gasification efficiency.
Principle of work of the present utility model is as follows:
Biomass material enters riser tube 1 through charging opening 2, and air enters riser tube 1 bottom as vaporized chemical by the blast cap 3 that is arranged on the air distribution plate 4, realizes goods fluid in the riser tube.Biomass material and high hotbed material thorough mixing, and heated rapidly, react with air.After the macrobead biomass are fluidized and are suspended to certain altitude, emulsion zone bottom wall flow is got back to all around along riser tube 1, fine particle is then carried by flue gas and leaves riser tube 1, after being raised speed during by cyclonic separator 10 inlet flue ducts, enters cyclonic separator 10 at a high speed.Combustion gas is high speed rotating in cyclonic separator 10, be subjected to action of centrifugal force, the solids that quality is bigger in the combustion gas are thrown to cyclonic separator 10 walls, flow into material returning device 7 downwards along wall, high-temp solid material high efficiency separation from air-flow is come out in the cyclonic separator 10, sends riser tube 1 back to by material returning device 7, to keep granule density higher in the stove, guarantee fuel and in circulation repeatedly gasification reaction more completely, thereby improve gasification efficiency; Combustion gas is through the laggard inlet/outlet pipeline 11 of cyclonic separator 10 gas solid separation.
The utility model biomass high speed circle fluidized-bed gasification furnace, adopt unique texture that biomass material is gasified, cyclonic separator and material returning device design efficiently can guarantee the repeatedly reaction of big solid circulating rate and biomass material, thereby stable, the high-efficiency gasification of biomass fuel have been realized in the temperature field of fine control vapourizing furnace.
The above; it only is embodiment of the present utility model; but protection domain of the present utility model is not limited thereto; anyly belong to those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement all should be encompassed within the protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claim.
Claims (7)
1. biomass high speed circle fluidized-bed gasification furnace, it is characterized in that: comprise riser tube (1), the cloth wind system, cyclonic separator (10) and material returning device (7), riser tube (1) offers charging opening (2), described cloth wind system is located at riser tube (1) bottom, described cloth wind system comprises air compartment (5), air distribution plate (4) and blast cap (3), air distribution plate (4) is arranged at the top in the air compartment (5), blast cap (3) is arranged on the air distribution plate (4), the top outlet of riser tube (1) is connected with cyclonic separator (10), the top of cyclonic separator (10) is provided with outlet conduit (11), the bottom of cyclonic separator (10) is connected with the import of material returning device (7), and the outlet of material returning device (7) links to each other with riser tube (1) bottom.
2. biomass high speed circle fluidized-bed gasification furnace as claimed in claim 1 is characterized in that: the bottom of cyclonic separator (10) is connected by the import of standpipe (9) and material returning device (7).
3. biomass high speed circle fluidized-bed gasification furnace as claimed in claim 1 is characterized in that: the charging opening (2) on the riser tube (1) is apart from air distribution plate (4) 2～2.5m.
4. biomass high speed circle fluidized-bed gasification furnace as claimed in claim 1 is characterized in that: riser tube (1) is straight tubular, the top outlet of riser tube (1) and downward-sloping 10～15 ° of the connecting passage of cyclonic separator (10).
5. biomass high speed circle fluidized-bed gasification furnace as claimed in claim 1, it is characterized in that: the outlet of material returning device (7) is positioned at the last 2～3m of air distribution plate (4) place, and the outlet of material returning device (7) becomes 45～60 ° with the connecting tube of riser tube (1) bottom with horizontal plane.
6. biomass high speed circle fluidized-bed gasification furnace as claimed in claim 1 is characterized in that: be provided with dividing plate (8) in the middle of the material returning device (7), the lower edge of dividing plate (8) is apart from material returning device (7) bottom 300～800mm.
7. biomass high speed circle fluidized-bed gasification furnace as claimed in claim 1 is characterized in that: air distribution plate (4) is for circular, and the center of air distribution plate (4) is connected to scum pipe (6), and the internal diameter of scum pipe (6) is 100～200mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201626207U CN202072674U (en) | 2011-05-20 | 2011-05-20 | High-speed biomass circulating fluidized bed gasifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201626207U CN202072674U (en) | 2011-05-20 | 2011-05-20 | High-speed biomass circulating fluidized bed gasifier |
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| Publication Number | Publication Date |
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| CN202072674U true CN202072674U (en) | 2011-12-14 |
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| CN2011201626207U Expired - Lifetime CN202072674U (en) | 2011-05-20 | 2011-05-20 | High-speed biomass circulating fluidized bed gasifier |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102876339A (en) * | 2012-10-17 | 2013-01-16 | 哈尔滨工业大学 | Gasification and splitting reaction device |
| CN103216843A (en) * | 2013-03-29 | 2013-07-24 | 合肥德博生物能源科技有限公司 | Biomass gasifying burning boiler |
| CN103980945A (en) * | 2014-05-23 | 2014-08-13 | 李轼 | Biomass gasifier with external combustor and biomass gasification method |
| CN104498095A (en) * | 2014-12-11 | 2015-04-08 | 广州迪森热能技术股份有限公司 | Process for pyrolyzing and gasifying biomass by using fluidized bed |
| CN109988654A (en) * | 2019-04-29 | 2019-07-09 | 西安交通大学 | A kind of ciculation fluidized bed gasification system of supercritical water and method |
| CN113825824A (en) * | 2019-08-08 | 2021-12-21 | 株式会社Ihi | Gasification gas generation system |
-
2011
- 2011-05-20 CN CN2011201626207U patent/CN202072674U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102876339A (en) * | 2012-10-17 | 2013-01-16 | 哈尔滨工业大学 | Gasification and splitting reaction device |
| CN102876339B (en) * | 2012-10-17 | 2013-12-25 | 哈尔滨工业大学 | Gasification and splitting reaction device |
| CN103216843A (en) * | 2013-03-29 | 2013-07-24 | 合肥德博生物能源科技有限公司 | Biomass gasifying burning boiler |
| CN103980945A (en) * | 2014-05-23 | 2014-08-13 | 李轼 | Biomass gasifier with external combustor and biomass gasification method |
| CN104498095A (en) * | 2014-12-11 | 2015-04-08 | 广州迪森热能技术股份有限公司 | Process for pyrolyzing and gasifying biomass by using fluidized bed |
| CN109988654A (en) * | 2019-04-29 | 2019-07-09 | 西安交通大学 | A kind of ciculation fluidized bed gasification system of supercritical water and method |
| CN109988654B (en) * | 2019-04-29 | 2024-07-16 | 西安交通大学 | Supercritical water circulating fluidized bed gasification system and method |
| CN113825824A (en) * | 2019-08-08 | 2021-12-21 | 株式会社Ihi | Gasification gas generation system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Free format text: FORMER OWNER: HEFEI DEBO BIOENERGY SCIENCE + TECHNOLOGY CO., LTD. Effective date: 20140530 Owner name: GUODIAN CHANGYUAN HUBEI BIOMASS GASIFICATION TECHN Free format text: FORMER OWNER: GUODIAN CHANGYUAN ELECTRIC POWER CO., LTD. Effective date: 20140530 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 430067 WUHAN, HUBEI PROVINCE TO: 448040 JINGMEN, HUBEI PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20140530 Address after: 448040 No. 80 Bai Lu Road, Jingmen, Hubei Patentee after: GUODIAN CHANGYUAN HUBEI BIOMASS GASIFICATION TECHNOLOGY CO., LTD. Address before: 430067, 117 East Main Street, Wuchang District, Hubei, Wuhan Patentee before: Guodian Changyuan Electric Power Co., Ltd. Patentee before: Hefei Debo Bioenergy Science & Technology Co., Ltd. |
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| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Hangzhou Juneng Boiler Co., Ltd. Assignor: GUODIAN CHANGYUAN HUBEI BIOMASS GASIFICATION TECHNOLOGY CO., LTD. Contract record no.: 2016420000008 Denomination of utility model: High-speed biomass circulating fluidized bed gasifier Granted publication date: 20111214 License type: Common License Record date: 20160406 |
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Assignee: Guodian Longyuan Environment Protection Engrg. Co., Ltd., Beijing Assignor: GUODIAN CHANGYUAN HUBEI BIOMASS GASIFICATION TECHNOLOGY CO., LTD. Contract record no.: 2017420000021 Denomination of utility model: High-speed biomass circulating fluidized bed gasifier Granted publication date: 20111214 License type: Common License Record date: 20170905 |
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| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Wuhan Wu pan Energy Engineering Co., Ltd. Assignor: GUODIAN CHANGYUAN HUBEI BIOMASS GASIFICATION TECHNOLOGY CO., LTD. Contract record no.: 2018420000003 Denomination of utility model: High-speed biomass circulating fluidized bed gasifier Granted publication date: 20111214 License type: Common License Record date: 20180404 |
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Assignee: Harbin Boiler Company Limited Assignor: GUODIAN CHANGYUAN HUBEI BIOMASS GASIFICATION TECHNOLOGY CO., LTD. Contract record no.: 2018420000014 Denomination of utility model: High-speed biomass circulating fluidized bed gasifier Granted publication date: 20111214 License type: Common License Record date: 20180604 |
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Granted publication date: 20111214 |