CN106753581A - A kind of circle fluidized-bed gasification furnace ladder wind beam air distribution plate - Google Patents
A kind of circle fluidized-bed gasification furnace ladder wind beam air distribution plate Download PDFInfo
- Publication number
- CN106753581A CN106753581A CN201710116686.4A CN201710116686A CN106753581A CN 106753581 A CN106753581 A CN 106753581A CN 201710116686 A CN201710116686 A CN 201710116686A CN 106753581 A CN106753581 A CN 106753581A
- Authority
- CN
- China
- Prior art keywords
- distribution plate
- air distribution
- hole
- gas material
- gasification furnace
- Prior art date
- 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.)
- Granted
Links
- 238000002309 gasification Methods 0.000 title claims abstract description 52
- 239000000203 mixture Substances 0.000 claims abstract description 38
- 239000000463 material Substances 0.000 claims abstract description 19
- 230000000903 blocking effect Effects 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims abstract description 5
- 239000003245 coal Substances 0.000 claims description 24
- 239000003795 chemical substances by application Substances 0.000 claims description 15
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 10
- 229910052799 carbon Inorganic materials 0.000 claims description 10
- 239000000428 dust Substances 0.000 claims description 8
- 239000010881 fly ash Substances 0.000 claims description 7
- 239000003034 coal gas Substances 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims 2
- 239000007921 spray Substances 0.000 claims 1
- 239000007789 gas Substances 0.000 description 40
- 238000002485 combustion reaction Methods 0.000 description 4
- 239000007790 solid phase Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 3
- 238000000197 pyrolysis Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000008246 gaseous mixture Substances 0.000 description 2
- 235000007516 Chrysanthemum Nutrition 0.000 description 1
- 244000189548 Chrysanthemum x morifolium Species 0.000 description 1
- 239000002956 ash Substances 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- C10J3/54—Gasification of granular or pulverulent fuels by the Winkler technique, i.e. by fluidisation
- C10J3/56—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
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Crucibles And Fluidized-Bed Furnaces (AREA)
Abstract
The present invention provides a kind of circle fluidized-bed gasification furnace ladder wind beam air distribution plate.It is set by the passage labyrinth of air distribution plate and passage outlet side is aggregated to same big hole path, its top is cylindrical hole, bottom is up-small and down-big hollow round table, round platform upper edge connects with gas material mixture through hole lower end edge, the round platform is set as sealing cap, the bottom of gas material mixture through hole is plane, is set as material blocking table；Be provided with multiple passages between air distribution plate bottom surface spherical crown arch face and gas material mixture through hole, passage hypomere be set to divergent shape it is oblique stage casing is vertically arranged upwards, epimere is horizontally disposed with.The present invention has the advantages that in deft design, long service life, air flow collection and has graded, grey without leakage.
Description
Technical field
The present invention relates to a kind of circle fluidized-bed gasification furnace air distribution plate, and in particular to a kind of beam splitting input boundling output rank
The air distribution plate of terraced wind speed, belongs to the special-purpose member of coal gasification apparatus.
Background technology
Air distribution plate is one of important component of circle fluidized-bed gasification furnace, and it is the base plate of gasification furnace burner hearth, and its top is
Burner hearth, bottom is connected with air compartment.The effect of air distribution plate is to support the material in gasification furnace burner hearth, while making the gas in the air compartment of bottom
Body or gas material mixture are passed through from the whole region of air distribution plate, into burner hearth.People are generally used in air distribution plate venthole side
If substantial amounts of blast cap, the gas or gas material mixture allowed in air chamber enter blast cap, are then sprayed from the aperture of blast cap again and entered
Gasification furnace burner hearth.But existing air distribution plate is typically all in order to gas carries out various changing from air chamber even into gasification furnace burner hearth
Enter, purpose seek to enter gasification furnace burner hearth gas in gasification furnace uniform throughout.With circle fluidized-bed gasification furnace not
Disconnected improvement, especially the coal gas device of circle fluidized-bed gasification furnace and pyrolysis gasification furnace combined gasification, because coal is externally entering
The reduction of gasification furnace cycle-index and furnace chamber the bottom not reason such as deslagging, it is ensured that coal smooth combustion and pyrolysis in gasification furnace furnace chamber
Gasify and reach the combustion conditions for not producing tar, must just realize being produced in circle fluidized-bed gasification furnace the combustion gas of interior circulation
Change, in order to realize this purpose, it is desirable to which it is uneven to enter the gas or gas material mixture of gasification furnace furnace chamber, can produce interior circulation
Ladder wind beam.Simultaneously traditional air distribution plate because blast cap sets it is unreasonable also there is the grey phenomenon of more serious leakage, cause wind
Room blocks.For this structure to existing air distribution plate just proposes new design requirement.
The content of the invention
It is an object of the invention to propose a kind of circle fluidized-bed gasification furnace ladder wind beam air distribution plate.It passes through air distribution plate
Passage labyrinth set and passage outlet side be aggregated to same big hole path, realize into gasification furnace wind be boundling
Ladder wind beam, and effectively prevent solid-phase material in furnace chamber to leak into air chamber.
The present invention using following technical scheme implement, a kind of circle fluidized-bed gasification furnace ladder wind beam air distribution plate, it be by
The inner chamber top of circle fluidized-bed gasification furnace is set to furnace chamber, middle part and is set to air distribution plate, bottom to be set to mixed air vessel, furnace chamber
Middle part sets coal chute, and coal chute is connected with furnace chamber, and the top of furnace chamber sets High Temperature Gas material conduit, the one of High Temperature Gas material conduit
End is connected with furnace chamber, and the other end is connected with lower duct device；Furnace chamber bottom sets air distribution plate, in furnace chamber above air distribution plate
It is interior, it is below the top of mixed air vessel；Mixed air vessel middle part set fine coal delivery pipe and carbon containing fly ash carry pipe, fine coal delivery pipe and
Carbon containing fly ash carry pipe is connected with mixed air vessel, and mixed air vessel bottom sets gasifying agent conduit, gasifying agent conduit and gaseous mixture
Room is connected, and air distribution plate bottom surface is spherical crown arch face, above middle part be provided with the gas material opened a larger diameter upper end and mix
Compound through hole, its top is cylindrical hole, and bottom is up-small and down-big hollow round table, under round platform upper edge and gas material mixture through hole
Along connecting, the round platform is set as sealing cap to end edge, and the bottom of gas material mixture through hole is plane, is set as material blocking table；Under air distribution plate
Multiple passages are provided between bottom surface spherical crown arch face and gas material mixture through hole, the lower end of passage is connected with mixed air vessel,
Upper end is connected with gas material mixture through hole, passage hypomere be set to divergent shape it is oblique upwards, stage casing is vertically arranged, epimere water
It is flat to set, and upper, middle and lower segment insertion；Gasifying agent in mixed air vessel and the coal gas with high temperature flying dust, by under passage
The upper end that end enters into passage is sprayed, and the furnace chamber of gasification furnace is rushed at into gas material mixture through hole boundling.
Air distribution plate is made of nonmetallic exotic material in the present invention.
It is a technical scheme that air distribution plate is designed as an entirety with gasification furnace furnace wall.
Air distribution plate is split independent mutually with gasification furnace furnace wall, and with each other can be used as another technical side using bonding
Case.
Another technical scheme of passage is arranged to two sections, and it is oblique upwards that hypomere is set to divergent shape, epimere
It is horizontally disposed.
Because gas material mixture through hole is relatively large in diameter in the design, the tolerance for flowing through gas material mixture through hole is larger, therefore from
The flow velocity of the gas material mixture for rushing at furnace chamber upwards in gas material mixture through hole is differed, the middle big small formation of edge flow velocity of flow velocity
Ladder wind beam.
The present invention has in deft design, long service life, reduced investment, air flow collection and has graded, excellent without leakage ash etc.
Point.
Brief description of the drawings
Accompanying drawing 1 is the schematic diagram of the embodiment of the present invention；
In accompanying drawing：1 is gasification furnace, 2 is air distribution plate, 3 is preheating device, and 201 is passage, 202 is material blocking table, 203 is gas material
Mixture through hole, 204 be sealing cap, 205 be spherical crown arch face, 301 be mixed air vessel, a be coal chute, b be High Temperature Gas material conduit, c
For fine coal delivery pipe, d be carbon containing fly ash carry pipe, e be gasifying agent conduit.
Specific embodiment
The inner chamber top of gasification furnace 1 is set to furnace chamber, middle part and is set to air distribution plate 2, bottom to be set to mixed air vessel 301,
Furnace chamber middle part sets coal chute a, and coal chute a is connected with furnace chamber, and the top of furnace chamber sets High Temperature Gas material conduit b, High Temperature Gas material
One end of conduit b is connected with furnace chamber, and the other end is connected with lower duct device；Furnace chamber bottom sets air distribution plate 2, air distribution plate 2
It is below the top of mixed air vessel 301 above in furnace chamber；The middle part of mixed air vessel 301 sets fine coal delivery pipe c and carbon containing flying dust is defeated
Pipe d, fine coal delivery pipe c and carbon containing fly ash carry pipe d is sent to be connected with mixed air vessel 301, the bottom of mixed air vessel 301 sets gasification
Agent conduit e, gasifying agent conduit e are connected with mixed air vessel 301, and the bottom surface of air distribution plate 2 is spherical crown arch face 205, above pars intermedia
Position is provided with the gas material mixture through hole 203 opened a larger diameter upper end, and its top is cylindrical hole, and bottom is up-small and down-big
Round platform, round platform upper edge connects with the lower end edge of gas material mixture through hole 203, and the round platform is set as sealing cap 204, the mixing of gas material
The bottom of thing through hole 203 is plane, is set as material blocking table 202；The bottom surface spherical crown arch face 205 of air distribution plate 2 and gas material mixture through hole
Multiple passages 201 are provided between 203, the lower end of passage 201 is connected with mixed air vessel 301, upper end and gas material mixture
Through hole 203 is connected, the hypomere of passage 201 be set to divergent shape it is oblique upwards, stage casing is vertically arranged, epimere be horizontally disposed with, and
Upper, middle and lower segment insertion；Gasifying agent in mixed air vessel 301 and the coal gas with high temperature flying dust, by the lower end of passage 201
The upper end for entering into passage 201 is sprayed, and the furnace chamber of gasification furnace 1 is rushed at into the boundling of gas material mixture through hole 203.Due to gas material
Mixture through hole 203 be relatively large in diameter and flow through gas material mixture through hole 203 tolerance it is larger, therefore from gas material mixture through hole
The flow velocity that the gas material mixture of furnace chamber is rushed in 203 is differed, and the middle big edge flow velocity of flow velocity is small to form ladder wind beam.
In embodiment as shown in Figure 1, the angularly disposed of upper, middle and lower segment in passage 201 can be wanted according to tolerance
The factor such as solid phase particles deposition velocity, solid phase particles diameter, solid phase particles density sets in the requirement of summation gas velocity and gasification furnace 1
Put.
Embodiment one
As shown in Figure 1 be present invention situation about being used in special-shaped internal circulation fluid-bed vaporization furnace, the middle part of mixed air vessel 301
Be sent into mixed air vessel 301 for fine coal and carbon containing flying dust by the fine coal delivery pipe c of setting and carbon containing fly ash carry pipe d, mixed air vessel
301 bottoms set gasifying agent conduit e and gasifying agent are sent into mixed air vessel 301, and fine coal and carbon containing flying dust and gasifying agent are in gaseous mixture
Room 301 is met and combustion gasification, the coal gas with high temperature flying dust that the gasifying agent and burning in mixed air vessel 301 are produced, by leading to
The upper end that the lower end of stomata 201 enters into passage 201 is sprayed, and gasification furnace 1 is rushed at into the boundling of gas material mixture through hole 203
Furnace chamber.Due to gas material mixture through hole 203 be relatively large in diameter and flow through gas material mixture through hole 203 tolerance it is larger, therefore from
The flow velocity that the gas material mixture of furnace chamber is rushed in gas material mixture through hole 203 is differed, the middle big small formation of edge flow velocity of flow velocity
Ladder wind beam.The ladder wind line of the gasifying agent hence into gasification furnace 1 and the coal gas with high temperature flying dust, in gasification furnace 1
Quick flowing upwards in furnace chamber, meets the rapid combustion and pyrolysis gasification of coal that the coal chute a set in the middle part of furnace chamber delivers into furnace chamber, by
In enter gasification furnace 1 to be that middle flow velocity big edge flow velocity is small form ladder wind beam, furnace chamber is specifically designed in addition so that gasification
The interior circulation phenomenon of material and the main life of air-flow in the furnace chamber of stove 1 chrysanthemum shape from top to bottom, it is achieved thereby that coal is in the stove of gasification furnace 1
Repeatedly pyrolytic gasification is fired in circulation in chamber, it is ensured that the gasification temperature in furnace chamber, improves coal gasification rate.
Claims (5)
1. a kind of circle fluidized-bed gasification furnace ladder wind beam air distribution plate, it is to set the inner chamber top of circle fluidized-bed gasification furnace
Mixed air vessel is set to for furnace chamber, middle part are set to air distribution plate, bottom, furnace chamber middle part sets coal chute, coal chute and furnace chamber phase
Connection, the top of furnace chamber sets High Temperature Gas material conduit, and one end of High Temperature Gas material conduit is connected with furnace chamber, and the other end is filled with lower road
Put and be connected；Furnace chamber bottom sets air distribution plate, is below the top of mixed air vessel above air distribution plate in furnace chamber, and it is shaped as
Spherical crown arch face；Mixed air vessel middle part sets fine coal delivery pipe and carbon containing fly ash carry pipe, fine coal delivery pipe and carbon containing fly ash carry
Pipe is connected with mixed air vessel, and mixed air vessel bottom sets gasifying agent conduit, and gasifying agent conduit is connected with mixed air vessel, and it is special
Levy and be：Middle part is provided with the gas material mixture through hole opened a larger diameter upper end, gas material mixture above air distribution plate
Through hole top is cylindrical hole, and bottom is up-small and down-big hollow round table, round platform upper edge and gas material mixture through hole lower end edge
Connect, the round platform is set as sealing cap, and the bottom of gas material mixture through hole is plane, is set as material blocking table；Air distribution plate bottom surface ball
Hat arch face and gas material mixture through hole between be provided with multiple passages, the lower end of passage is connected with mixed air vessel, upper end and
Gas material mixture through hole is connected, passage hypomere be set to divergent shape it is oblique upwards, stage casing is vertically arranged, and epimere level sets
Put, and upper, middle and lower segment insertion；Gasifying agent in mixed air vessel and the coal gas with high temperature flying dust, are entered by the lower end of passage
Enter to the upper end of passage and spray, the furnace chamber of gasification furnace is rushed at into gas material mixture through hole boundling.
2. a kind of circle fluidized-bed gasification furnace ladder wind beam air distribution plate according to claim 1, it is characterised in that：Air distribution plate
It is nonmetallic exotic material.
3. a kind of circle fluidized-bed gasification furnace ladder wind beam air distribution plate according to claim 1, it is characterised in that：The cloth
Aerofoil is one overall with gasification furnace furnace wall.
4. a kind of circle fluidized-bed gasification furnace ladder wind beam air distribution plate according to claim 1, it is characterised in that：The cloth
Aerofoil is split independent mutually with gasification furnace furnace wall, and with each other using bonding.
5. a kind of circle fluidized-bed gasification furnace ladder wind beam air distribution plate according to claim 1, the passage is arranged to
Two sections, hypomere be set to divergent shape it is oblique upwards, epimere be horizontally disposed with.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710116686.4A CN106753581B (en) | 2017-03-01 | 2017-03-01 | A kind of circle fluidized-bed gasification furnace ladder wind beam air distribution plate |
| JP2018532765A JP6618130B2 (en) | 2017-03-01 | 2017-06-13 | In-furnace automatic circulating fluidized bed gasification furnace and its multilayer wind guide plate |
| ES17898809T ES2802467T3 (en) | 2017-03-01 | 2017-06-13 | Self-circulating fluidized bed gasifier inside the gasifier and staggered and forced wind air distribution plate inside |
| EP17898809.3A EP3527645B1 (en) | 2017-03-01 | 2017-06-13 | In-gasifier self-circulating fluidised bed gasifier and stepped constrained wind air-distribution plate therein |
| PCT/CN2017/088042 WO2018157502A1 (en) | 2017-03-01 | 2017-06-13 | In-gasifier self-circulating fluidised bed gasifier and stepped constrained wind air-distribution plate therein |
| US16/490,557 US10934499B2 (en) | 2017-03-01 | 2017-06-13 | Internally self-circulating fluidized bed gasifier and air distributor therein for generating stepped constrained wind |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710116686.4A CN106753581B (en) | 2017-03-01 | 2017-03-01 | A kind of circle fluidized-bed gasification furnace ladder wind beam air distribution plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106753581A true CN106753581A (en) | 2017-05-31 |
| CN106753581B CN106753581B (en) | 2018-04-10 |
Family
ID=58959590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710116686.4A Active CN106753581B (en) | 2017-03-01 | 2017-03-01 | A kind of circle fluidized-bed gasification furnace ladder wind beam air distribution plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106753581B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1597846A (en) * | 2004-08-16 | 2005-03-23 | 中国科学院广州能源研究所 | Gasification furnace of inner circulating biomass fluidized bed of dissymmetrical structure |
| CN201074223Y (en) * | 2007-06-29 | 2008-06-18 | 合肥天焱绿色能源开发有限公司 | Ash slag self-agglomeration biomass fluidized bed gasification furnace |
| CN101571288A (en) * | 2009-06-19 | 2009-11-04 | 北京乡电电力有限公司 | Swirl air-distribution device of biomass fluidized bed |
| KR20130139557A (en) * | 2012-06-13 | 2013-12-23 | 주식회사 포스코 | Combustion furnace of fluidized bed |
| CN206494911U (en) * | 2017-03-01 | 2017-09-15 | 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 |
-
2017
- 2017-03-01 CN CN201710116686.4A patent/CN106753581B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1597846A (en) * | 2004-08-16 | 2005-03-23 | 中国科学院广州能源研究所 | Gasification furnace of inner circulating biomass fluidized bed of dissymmetrical structure |
| CN201074223Y (en) * | 2007-06-29 | 2008-06-18 | 合肥天焱绿色能源开发有限公司 | Ash slag self-agglomeration biomass fluidized bed gasification furnace |
| CN101571288A (en) * | 2009-06-19 | 2009-11-04 | 北京乡电电力有限公司 | Swirl air-distribution device of biomass fluidized bed |
| KR20130139557A (en) * | 2012-06-13 | 2013-12-23 | 주식회사 포스코 | Combustion furnace of fluidized bed |
| CN206494911U (en) * | 2017-03-01 | 2017-09-15 | 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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| US10934499B2 (en) | 2017-03-01 | 2021-03-02 | Zhongkejuxin Clean Energy & Hot Forging Equipment Research And Development Co., Ltd | Internally self-circulating fluidized bed gasifier and air distributor therein for generating stepped constrained wind |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106753581B (en) | 2018-04-10 |
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| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20170531 Assignee: ZHONGKEJUXIN CLEAN ENERGY & HOT FORGING EQUIPMENT RESEARCH AND DEVELOPMENT Co.,Ltd. Assignor: ZHONGJUXIN OCEAN ENGINEERING EQUIPMENT Co.,Ltd. Contract record no.: X2023980045713 Denomination of invention: A stepped air bundle distribution plate for a circulating fluidized bed gasifier Granted publication date: 20180410 License type: Common License Record date: 20231107 |
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