CN201074223Y - Ash slag self-agglomeration biomass fluidized bed gasification furnace - Google Patents
Ash slag self-agglomeration biomass fluidized bed gasification furnace Download PDFInfo
- Publication number
- CN201074223Y CN201074223Y CNU2007200402768U CN200720040276U CN201074223Y CN 201074223 Y CN201074223 Y CN 201074223Y CN U2007200402768 U CNU2007200402768 U CN U2007200402768U CN 200720040276 U CN200720040276 U CN 200720040276U CN 201074223 Y CN201074223 Y CN 201074223Y
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- Prior art keywords
- column casing
- slag
- barrel
- biomass
- gasification
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000002309 gasification Methods 0.000 title claims abstract description 28
- 239000002028 Biomass Substances 0.000 title claims abstract description 23
- 239000002893 slag Substances 0.000 title claims abstract description 18
- 238000005054 agglomeration Methods 0.000 title claims description 8
- 239000000567 combustion gas Substances 0.000 claims abstract description 10
- 239000007789 gas Substances 0.000 claims abstract description 9
- 238000000926 separation method Methods 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 24
- 230000008713 feedback mechanism Effects 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 239000002994 raw material Substances 0.000 abstract description 5
- 238000000197 pyrolysis Methods 0.000 abstract description 4
- 210000001944 turbinate Anatomy 0.000 abstract 2
- 235000002918 Fraxinus excelsior Nutrition 0.000 abstract 1
- 230000004931 aggregating effect Effects 0.000 abstract 1
- 239000002956 ash Substances 0.000 abstract 1
- 238000004523 catalytic cracking Methods 0.000 abstract 1
- 239000007787 solid Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 7
- 239000002245 particle Substances 0.000 description 7
- 239000003818 cinder Substances 0.000 description 6
- 230000009471 action Effects 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 238000006722 reduction reaction Methods 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000007233 catalytic pyrolysis Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 239000011269 tar Substances 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 239000011285 coke tar Substances 0.000 description 1
- 230000009514 concussion Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000001535 kindling effect Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000003134 recirculating effect Effects 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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
Landscapes
- Gasification And Melting Of Waste (AREA)
Abstract
Provided is a fluidized-bed gasification furnace of biomass which is capable of aggregating ashes and is characterized in that the utility model employs a vertical three-section combined furnace body which is of a cone cylinder shape, wherein the lower section of the furnace body is a expanding barrel, the upper section of the furnace body is a gasification barrel, and the middle section of the furnace body is a turbinate barrel with a small lower port and a big upper port. The bottom portion of the expanding barrel is a slag-extracting port, an air outlet communicated with a wind pipe is arranged on a side wall positioned on the lower portion of the expanding barrel the side portion of which is equipped with a feed inlet of biomass disposed on the upper portion of the wind pipe, a jet pipe is arranged along a central shaft of the expanding barrel, a jet outlet is positioned on the bottom portion of the turbinate barrel, and a gas outlet is disposed on the top portion of the gasification barrel. The utility model employs one device to accomplish the whole energy conversion process of the raw materials of biomass, including dry distillation, gasification, restoration and catalytic cracking, thereby ensuring the separation of slag and resolving the contradiction between the slag bonding and adhering of the slag and the improvement of the gasification temperature of the raw materials and the quality of combustion gas.
Description
Technical field
The utility model relates to the treatment unit of the solid biomass energy, the solid biomass fluidized-bed gasification device of more specifically saying so.
Technical background
Agricultural crop straw, forest processing waste, solid life refuse etc. are called solid biomass.For solid biomass is effectively utilized as the energy, need carry out destructive distillation, gasification, reduction and catalytic pyrolysis to the solid biologic raw material and finish energy transformation.But in this conversion process of energy, ash melting point is lower during owing to the solid biomass pyrolytic gasification, slagging scorification easily, dross, the works better of destruction vapourizing furnace.
For fear of vapourizing furnace slagging scorification, dross, when the fluidized-bed gasification biomass material, must control gasification temperature, but the controlled while of temperature the gasification efficiency and the combustion gas quality of raw material have been reduced inevitably.
The utility model content
The utility model is for avoiding above-mentioned existing in prior technology weak point, a kind of ash slag self-agglomeration biomass fluidized bed gasification furnace is provided, in same equipment, finish the complete conversion process of energy such as destructive distillation, gasification, reduction and catalytic pyrolysis of biomass material, and make lime-ash be separated by cooling, cooling, cohesion, solve the contradiction of lime-ash slagging scorification, dross and raising material gasification rate and combustion gas quality.
The technical scheme that the utility model technical solution problem is adopted is:
The utility model ash slag self-agglomeration biomass fluidized bed gasification furnace, its constructional feature is to adopt the awl column body of heater of vertical three sections combinations, the body of heater hypomere is that expansion column casing, epimere are gasifying column casing, and the stage casing that is undertaken between expansion column casing and the gasifying column casing is following big inverted cone tube young, suitable for reading; The bottom of expansion column casing is a slag-drip opening, the air outlet that the setting of expansion column casing lower sides communicates with blast tube, and the biomass material inlet is arranged on the sidepiece of expansion column casing, and is positioned at the top of air outlet; Jet pipe is along the axis setting of expansion column casing, and jet exit is positioned at the bottom of described inverted cone tube; Gas outlet is positioned at the top of gasifying column casing.
Constructional feature of the present utility model also is:
In the combustion gas delivery conduit of gasifying column casing cyclonic separator is set, the separation slag of cyclonic separator is transmitted back in the expansion column casing by feed back mechanism.
At the top of gasifying column casing, be provided with by the arc deflector of center to the periphery water conservancy diversion.
In the expansion column casing, be in the air outlet position and be provided with taper wind distributing hole plate, the end mouthpiece of the wind distributing hole plate slag tube that runs in.
Under the central jet effect, shaft position forms the pyroreaction fluerics that material rises in the body of heater, can obtain the high temperature more than 1300 ℃, be enough to make the coke tar cracking gasification in the gas, simultaneously because the effect of entrainmenting of high velocity air, form the low pressure recirculating zone beyond the fluerics, unburnt material and lime-ash fall to entering low pressure area from the body of heater top, in the process that descends, high-temperature ash is with a part of heat transferred material and furnace wall, when dropping to the breathing space, high-temperature ash further is subjected to the low temperature gasification agent that just entered and the cooling of material, because capillary effect and self coagulation forms spherical lime-ash, under action of gravity, lime-ash ball and feed separation that proportion is bigger are discharged by scum pipe.
Compared with the prior art, the utility model beneficial effect is embodied in:
1, the utility model is integrated in one expanded bed, fluidized-bed and spouted bed equipment for gasification, and not slagging scorification in the body of heater, dross can guarantee the works better of fluidized-bed gasification furnace, and can greatly improve the material gasification rate.
2, being provided with of the utility model cyclonic separator can further be improved quality and the material gasification efficient of exporting combustion gas.
3, being provided with of the utility model arc deflector can avoid on the one hand not cinder material and lime-ash directly to discharge with gas outlet being arranged in the gasifying column casing top, greatly helps to form the interior backflow of stove on the other hand.
Description of drawings
Fig. 1 is the utility model structural representation.
Number in the figure: 1 expansion column casing, 2 gasifying column casing, 3 inverted cone tubes, 4 combustion gas delivery conduits, 5 arc deflectors, 6 wind distributing hole plates, 7 helical screw feeders, 8 slag tap equipment, 9 blast tubes, 10 jet pipes, 11 cyclonic separators, 12 feed back mechanisms, 13 hoppers.
Below by embodiment, the utility model is described in further detail in conjunction with the accompanying drawings
Embodiment
Referring to Fig. 1, adopt the awl column body of heater of vertical three sections combinations, the body of heater hypomere is that expansion column casing 1, epimere are gasifying column casing 2, the stage casing of accepting between expansion column casing 1 and the gasifying column casing 2 is following big inverted cone tube 3 young, suitable for reading.
Shown in the figure, the bottom of expansion column casing 1 is a slag-drip opening, the air outlet that the lower sides setting of expansion trunk communicates with blast tube 9, and the biomass material that is communicated with feeder 7 inlet is arranged on the sidepiece of expansion column casing 1, and is positioned at the top of air outlet; Jet pipe 10 is introduced from the bottom and along the axis setting of expansion column casing 1, jet exit is positioned at the bottom of inverted cone tube 3; Gas outlet is positioned at the top of gasifying column casing 2.
In concrete the enforcement, in the combustion gas delivery conduit 4 of gasifying column casing 2 cyclonic separator 11 is set, in expansion column casing 1, the height of feedback outlet suitably is higher than the height of biomass material inlet to the separation slag of cyclonic separator 11 by 12 loopbacks of feed back mechanism.
At the top of gasifying column casing 2, the arc deflector 5 by mediad periphery water conservancy diversion is set.
In expansion column casing 1, air outlet position place is set to taper wind distributing hole plate 6, the end mouthpiece of the wind distributing hole plate 6 slag tube that runs in, and the below of deslagging tube is provided with the equipment 8 of slagging tap.
Open the air-valve on the blast tube 9, pressurized air is sent in the stove by blast tube 9, and be blown into expansion column casing 1 by the wind hole on the wind distributing hole plate 6, then open helical screw feeder 7, biomass material in the hopper 13 is pushed in the expansion column casing 1 by helical screw feeder 7, in expansion column casing 1 under the blowing of upstream, material is in balloon blister attitude, drops into kindling material, opens the jet valve in the jet pipe 10, high velocity air is along axis direction directive furnace roof, under the ejector action of high velocity air,, carry out oxidizing reaction in the body of heater stage casing by primary air and the gasification materiel fast lifting that blast tube 9 is sent into, temperature of reaction can generate elevated temperature heat flue gas CO up to 1300 ℃
2Deng, leftover materials and hot flue gas continue to rise, in the epimere jet beam, carry out reduction reaction, be reduced into CO, temperature is reduced to about 850 ℃ during to arc deflector 5, and the fused lime-ash is because cooling and capillary effect, progressively be condensed into spherical plastic particle, under the effect of arc deflector 5, the heavier grey solid impurity particle of not cinder material that particle is bigger and proportion flows downward along inboard wall of furnace body under the combined action of mass force and gravity; In flow process, high-temperature ash reduces self temperature to not cinder material and furnace wall heat transfer, and material is separated out proportion because of volatile matter and reduced gradually, and lime-ash Yin Wendu progressively reduces, and volume reduces gradually, and proportion is but more and more big; Instantly sending down abnormally ascending flows to the lower edge that reaches inverted cone tube 3, cinder material and downdraft do not come back to jet beam under the effect of the injection of jet beam, volume seat, and the bigger grey solid impurity particle of proportion is because expanding layer is poured in inertia and action of gravity, at this high-temperature ash particle part heat transferred primary air and the new gasified raw material that drops into; The destructive distillation of under the heat energy effect of furnace wall radiant heat and lime-ash transmission, gasifying of the new material that drops into, grey solid impurity particle enters expanding layer, and just as entering screen cloth, in the expanding layer of constantly concussion, heavier lime-ash progressively falls into the bottom.Material and vaporized chemical have been finished redox reaction in jet beam, and the inflammable gas that is produced carries not that the small carbon granule of cinder is overflowed by flow deflector exterior annular passage, and through the separation of cyclonic separator 11, cinder carbon granule is not back in the stove; Combustion gas input user or storage after the purification.
Concrete enforcement of the present utility model is owing to the oxidizing temperature height, and the complete catalytic pyrolysis of tar becomes inflammable gas, and the CO2 reduction is abundant, and the unstripped gas rate reaches more than 80%, does not contain the tar particle in the combustion gas.
Claims (4)
1. ash slag self-agglomeration biomass fluidized bed gasification furnace, it is characterized in that adopting the awl column body of heater of vertical three sections combinations, the body of heater hypomere is that expansion column casing (1), epimere are gasifying column casing (2), and the stage casing that is undertaken between described expansion column casing (1) and the gasifying column casing (2) is following big inverted cone tube (3) young, suitable for reading; The bottom of described expansion column casing (1) is a slag-drip opening, the air outlet that expansion column casing (1) lower sides setting communicates with blast tube (9), and the biomass material inlet is arranged on the sidepiece of expansion column casing (1), and is positioned at the top of described air outlet; Jet pipe (10) is along the axis setting of expansion column casing (1), and jet exit is positioned at the bottom of described inverted cone tube (3); Gas outlet is positioned at the top of gasifying column casing (2).
2. ash slag self-agglomeration biomass fluidized bed gasification furnace according to claim 1, it is characterized in that in the combustion gas delivery conduit (4) of described gasifying column casing (2) cyclonic separator (11) being set, the separation slag of described cyclonic separator (11) is transmitted back in the expansion column casing (1) by feed back mechanism (12).
3. ash slag self-agglomeration biomass fluidized bed gasification furnace according to claim 1 is characterized in that at the top of described gasifying column casing (2), is provided with by the arc deflector (5) of center to the periphery water conservancy diversion.
4. ash slag self-agglomeration biomass fluidized bed gasification furnace according to claim 1 is characterized in that in described expansion column casing (1), is in the air outlet position and is provided with taper wind distributing hole plate (6), the end mouthpiece of wind distributing hole plate (6) the slag tube that runs in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200402768U CN201074223Y (en) | 2007-06-29 | 2007-06-29 | Ash slag self-agglomeration biomass fluidized bed gasification furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200402768U CN201074223Y (en) | 2007-06-29 | 2007-06-29 | Ash slag self-agglomeration biomass fluidized bed gasification furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201074223Y true CN201074223Y (en) | 2008-06-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200402768U Expired - Fee Related CN201074223Y (en) | 2007-06-29 | 2007-06-29 | Ash slag self-agglomeration biomass fluidized bed gasification furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201074223Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102533346A (en) * | 2012-02-29 | 2012-07-04 | 合肥天焱绿色能源开发有限公司 | Gasification cracking furnace for solid biomass |
| CN104419797A (en) * | 2013-08-30 | 2015-03-18 | 攀钢集团研究院有限公司 | Blowing desulfurization fluidized chamber |
| CN104762108A (en) * | 2015-03-10 | 2015-07-08 | 新奥科技发展有限公司 | Fluidized bed gasification furnace and gasification system |
| CN106753580A (en) * | 2017-03-01 | 2017-05-31 | 中聚信海洋工程装备有限公司 | Self-loopa fluidized-bed gasification furnace in a kind of stove |
| CN106753581A (en) * | 2017-03-01 | 2017-05-31 | 中聚信海洋工程装备有限公司 | A kind of circle fluidized-bed gasification furnace ladder wind beam air distribution plate |
| WO2018157502A1 (en) * | 2017-03-01 | 2018-09-07 | 中科聚信洁能热锻装备研发股份有限公司 | In-gasifier self-circulating fluidised bed gasifier and stepped constrained wind air-distribution plate therein |
-
2007
- 2007-06-29 CN CNU2007200402768U patent/CN201074223Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102533346A (en) * | 2012-02-29 | 2012-07-04 | 合肥天焱绿色能源开发有限公司 | Gasification cracking furnace for solid biomass |
| CN104419797A (en) * | 2013-08-30 | 2015-03-18 | 攀钢集团研究院有限公司 | Blowing desulfurization fluidized chamber |
| CN104762108A (en) * | 2015-03-10 | 2015-07-08 | 新奥科技发展有限公司 | Fluidized bed gasification furnace and gasification system |
| CN106753580A (en) * | 2017-03-01 | 2017-05-31 | 中聚信海洋工程装备有限公司 | Self-loopa fluidized-bed gasification furnace in a kind of stove |
| CN106753581A (en) * | 2017-03-01 | 2017-05-31 | 中聚信海洋工程装备有限公司 | A kind of circle fluidized-bed gasification furnace ladder wind beam air distribution plate |
| WO2018157502A1 (en) * | 2017-03-01 | 2018-09-07 | 中科聚信洁能热锻装备研发股份有限公司 | In-gasifier self-circulating fluidised bed gasifier and stepped constrained wind air-distribution plate therein |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Ash slag self-agglomeration biomass fluidized bed gasification furnace Effective date of registration: 20110922 Granted publication date: 20080618 Pledgee: Anhui Province Anhui investment credit Company Limited by Guarantee Pledgor: Hefei Tianyan Exploitation of Green Energy Sources Co., Ltd. Registration number: 2011990000369 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20120910 Granted publication date: 20080618 Pledgee: Anhui Anhui Investment & financing Company Limited by Guarantee Pledgor: Hefei Tianyan Exploitation of Green Energy Sources Co., Ltd. Registration number: 2011990000369 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Ash slag self-agglomeration biomass fluidized bed gasification furnace Effective date of registration: 20120910 Granted publication date: 20080618 Pledgee: Anhui Anhui Investment & financing Company Limited by Guarantee Pledgor: Hefei Tianyan Exploitation of Green Energy Sources Co., Ltd. Registration number: 2012990000513 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PM01 | Change of the registration of the contract for pledge of patent right |
Change date: 20120910 Registration number: 2011990000369 Pledgee after: Anhui Anhui Investment & financing Company Limited by Guarantee Pledgee before: Anhui Province Anhui investment credit Company Limited by Guarantee |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20130918 Granted publication date: 20080618 Pledgee: Anhui Anhui Investment & financing Company Limited by Guarantee Pledgor: Hefei Tianyan Exploitation of Green Energy Sources Co., Ltd. Registration number: 2012990000513 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Ash slag self-agglomeration biomass fluidized bed gasification furnace Effective date of registration: 20131024 Granted publication date: 20080618 Pledgee: Anhui Anhui Investment & financing Company Limited by Guarantee Pledgor: Hefei Tianyan Exploitation of Green Energy Sources Co., Ltd. Registration number: 2013990000774 |
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| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20140116 Granted publication date: 20080618 Pledgee: Anhui Anhui Investment & financing Company Limited by Guarantee Pledgor: Hefei Tianyan Exploitation of Green Energy Sources Co., Ltd. Registration number: 2013990000774 |
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| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| ASS | Succession or assignment of patent right |
Owner name: HEFEI TIANYAN BIOMASS ENERGY TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: TIANYAN GREEN ENERGY DEVELOPMENT CO., LTD., HEFEI Effective date: 20140129 |
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| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 230041 HEFEI, ANHUI PROVINCE TO: 240601 HEFEI, ANHUI PROVINCE |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140129 Address after: 240601 Anhui city of Hefei Province Economic and Technological Development Zone Cuiwei Road No. 6 building five floor 514 constant sea Patentee after: Hefei Tianyan Biomass Technology Co. Ltd. Address before: Yang big forestry science and Technology Park of Luyang District, Hefei City, Anhui province 230041 Patentee before: Hefei Tianyan Exploitation of Green Energy Sources Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080618 Termination date: 20150629 |
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| EXPY | Termination of patent right or utility model |