CN206494910U - Self-loopa fluidized-bed gasification furnace in a kind of stove - Google Patents
Self-loopa fluidized-bed gasification furnace in a kind of stove Download PDFInfo
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- CN206494910U CN206494910U CN201720190392.1U CN201720190392U CN206494910U CN 206494910 U CN206494910 U CN 206494910U CN 201720190392 U CN201720190392 U CN 201720190392U CN 206494910 U CN206494910 U CN 206494910U
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- 238000002309 gasification Methods 0.000 title claims abstract description 53
- 239000000463 material Substances 0.000 claims abstract description 34
- 239000000203 mixture Substances 0.000 claims abstract description 30
- 238000009826 distribution Methods 0.000 claims abstract description 18
- 239000003034 coal gas Substances 0.000 claims abstract description 11
- 239000003245 coal Substances 0.000 claims description 39
- 239000003795 chemical substances by application Substances 0.000 claims description 21
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 17
- 229910052799 carbon Inorganic materials 0.000 claims description 17
- 239000000428 dust Substances 0.000 claims description 10
- 239000010881 fly ash Substances 0.000 claims description 9
- 230000000903 blocking effect Effects 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 238000005253 cladding Methods 0.000 claims description 2
- 239000004744 fabric Substances 0.000 claims description 2
- 238000002485 combustion reaction Methods 0.000 abstract description 10
- 239000003344 environmental pollutant Substances 0.000 description 4
- 231100000719 pollutant Toxicity 0.000 description 4
- 230000003134 recirculating effect Effects 0.000 description 4
- 239000012530 fluid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000007921 spray 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
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect 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
- 239000008246 gaseous mixture Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
Abstract
The utility model provides self-loopa fluidized-bed gasification furnace in a kind of stove.It by enter circle fluidized-bed gasification furnace furnace chamber High Temperature Gas material mixture centre be high speed air-flow, the material being relatively large in diameter for falling into gas material mixture through hole is blown afloat quickly upward with air-flow, repeatedly eventually pass through High Temperature Gas material conduit into lower road equipment after circulation.Furnace chamber is arranged to up big and down small inverted round stage structure, cavity top is arranged to the spherical cap structure of fovea superior, in addition the ladder air distribution plate that furnace bottom is set, so that the internal circulation flow of the downward air-flow cross flow in cluster air flow upward in the middle of being formed in whole furnace chamber, edge, realize cluster air flow in the middle of in furnace chamber upward, the downward internal circulation flow of edge airflow cross flow.The utility model can realize multiple self-loopa combustion gasification in stove, and have the advantages that gasification temperature is high, coal gas rate is high, grey without leakage in stove.
Description
Technical field
The utility model is related to a kind of gasification furnace, and in particular to a kind of gasification furnace that self-loopa is produced in furnace chamber, especially
It is related to a kind of a kind of self-loopa of the boiling-like that centre is upward, surrounding is downward produced in special-shaped furnace chamber using uneven wind beam
Gasification furnace, belong to the special-purpose member of coal gasification apparatus.
Background technology
With the continuous progress of society, thermal demand is increasing.Traditional acquisition modes are typically all directly from fire coal
Obtain, but substantial amounts of pollutant can be produced during coal directly burns, the living environment to people produces huge shadow
Ring.Thus country has put into effect substantial amounts of on forbidding direct fire coal to take the file of heat in recent years.Designed for this people various
The gasification furnace that raw coal is converted into coal gas, be changed to by raw coal be converted into coal gas combustion system obtain the energy.As fixed bed, follow
The forms such as ring fluid bed manufacture the gasification furnace of coal gas, and pollution of the burning to environment is reduced to a certain extent.But it is deep
Study carefully existing various forms of gasification furnaces, it has been found that every kind of gasification furnace all respectively has advantage and disadvantage, such as fixed-bed gasification furnace, coal conversion ratio
It is all high with the thermal efficiency, and contain the pollutants such as a large amount of tar in coal gas；Circle fluidized-bed gasification furnace, obtained production is without Jiao
The clean gas of the pollutants such as oil, and raw coal is low using the thermal efficiency, and a large amount of semicokes are contained in cinder, need to will contain coking coal slag and be transported to
It is low to require that burning situation is burnt again, such as it is used for the raw material that steam power plant burns.In order to solve the above problems, resolve in coal gas
The people of research design the Combined type gasifier that a kind of recirculating fluidized bed is mutually combined with pyrolytic gasification bed, in the mistake of combustion gasification
The pollutants such as tar are neither produced in journey, burning of coal rate of gasification can be greatly improved again.There are two defects, one in this design
It is the reduction of recirculating fluidized bed cycle-index, the gasification temperature of Circulation fluidized-bed furnace intracavitary is difficult to ensure that, does not reach large coal particles
Block does not produce the ignition temperature of tar；Second is that Circulation fluidized-bed furnace intracavitary does not set bottom deslagging, the larger non-coal material of quality
Easily it is detained gasification furnace bottom.The method one for solving first problem is to allow coal to carry out multiple self-loopa in circle fluidized-bed gasification furnace
Combustion gasification, two be to heat the gasifying agent for entering recirculating fluidized bed or primary combustion, can bring substantial amounts of heat into furnace chamber
Gasification temperature in amount, lifting furnace chamber.The method for solving Second Problem is the differential air distribution plate of design.Therefore application is newly set
The Combined type gasifier that the recirculating fluidized bed of meter is mutually combined with pyrolytic gasification bed, must just design can produce repeatedly in furnace chamber
The air distribution plate of the gasification furnace of self-loopa combustion gasification and the generation ladder wind beam being adapted therewith.
The content of the invention
The purpose of this utility model is to propose self-loopa fluidized-bed gasification furnace in a kind of stove, and it passes through up big and down small stove
The design of chamber and the design of the big ladder wind beam air-flow of middle flow velocity, realize burning material following certainly in furnace chamber in furnace chamber
Ring, it is ensured that the gasification temperature needed for circle fluidized-bed gasification furnace burning.
To achieve these goals, the utility model is implemented using following technical scheme, self-loopa fluid bed in a kind of stove
Gasification furnace, it is made up of body of heater and furnace chamber, and body of heater is shell, and furnace chamber is the cavity of shell cladding, and furnace chamber top is set
It is set to furnace chamber, bottom and is set between mixed air vessel, upper and lower part be provided with setting coal chute, defeated coal in the middle part of air distribution plate, furnace chamber
Pipe is connected with furnace chamber, and 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, another
End is connected with lower duct device；Furnace chamber bottom is set above air distribution plate, air distribution plate in furnace chamber, and middle part is provided with a gas
Expect mixture through hole, gas material mixture through hole bottom surface is material blocking table, and air distribution plate bottom surface is the top of mixed air vessel, and it is shaped as
Multiple passages, passage upper end outlet are provided between the spherical crown arch face of fovea superior, spherical crown arch face and gas the material mixture through hole
Mouth is connected with gas material mixture via bottoms, and lower end air inlet is connected with mixed air vessel, and passage gas outlet is mixed with gas material
Compound through hole connecting portion is provided with sealing cap；Fine coal delivery pipe and carbon containing fly ash carry pipe are set in the middle part of mixed air vessel, can also only be set
Put a fine coal delivery pipe or a carbon containing fly ash carry pipe, fine coal delivery pipe and carbon containing fly ash carry pipe and gaseous mixture are only set
Room is connected, and mixed air vessel bottom sets gasifying agent conduit, and gasifying agent conduit is connected with mixed air vessel；Mixed air vessel bottom is set
Gasifying agent conduit is put, gasifying agent conduit is connected with mixed air vessel, gasifying agent, carbon containing flying dust in mixed air vessel, fine coal pre-burning
The coal gas and gasifying agent of the carbon containing flying dust of high temperature produced are burnt, the upper end for entering passage by the lower end of passage sprays, and enters
Gas material mixture through hole boundling rushes at the furnace chamber of gasification furnace, and the big ladder wind beam air-flow of middle flow velocity, furnace chamber are formed in furnace chamber
It is arranged to up big and down small inverted round stage structure, cavity top is arranged to form middle upward boundling in the spherical cap structure of fovea superior, furnace chamber
The internal circulation flow of the downward air-flow cross flow in air-flow, edge, the porch for the High Temperature Gas material conduit that the furnace chamber top is set is set
There is guide platform, upwards, guide platform upper table surface is arc surface, its cambered surface and tube wall inwall under High Temperature Gas material conduit to the table top of guide platform
Connect, the material that guide platform is fallen into furnace chamber smoothly enters lower road equipment along High Temperature Gas material pipe inner wall.
In the design, due to the design of ladder wind beam air distribution plate so that enter the high temperature of circle fluidized-bed gasification furnace furnace chamber
The centre of gas material mixture is the air-flow of high speed, the material being relatively large in diameter for falling into gas material mixture through hole is blown afloat fast with air-flow
It is fast that eventually passing through High Temperature Gas material conduit enters lower road equipment upwards, after multiple circulation.The high velocity air of above-mentioned centre and it is upper it is big under
The furnace chamber design of small inverted round stage structure, realize in furnace chamber in the middle of cluster air flow upwards, the downward interior circulation of edge airflow cross flow
Flowing.
The utility model can realize multiple self-loopa combustion gasification in stove, and with gasification temperature height, coal gas rate in stove
It is high, without leakage ash the advantages of.
Brief description of the drawings
Accompanying drawing 1 is the schematic diagram of the utility model embodiment；
In accompanying drawing：1 it is furnace chamber, 2 is air distribution plate, 3 is preheating device, 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, 4 be guide platform, and a is that coal chute, b are high
Wet material conduit, c are that fine coal delivery pipe, d are that carbon containing fly ash carry pipe, e are gasifying agent conduit.
Embodiment
Furnace chamber top is set to furnace chamber 1, bottom and is set between mixed air vessel 301, upper and lower part be provided with air distribution plate
2, the middle part of furnace chamber 1 sets coal chute a, coal chute a to be connected with furnace chamber 1, and the top of furnace chamber 1 sets High Temperature Gas material conduit b, high temperature
Gas material conduit b one end is connected with furnace chamber 1, and the other end is connected with lower duct device；The bottom of furnace chamber 1 sets air distribution plate 2, cloth wind
Above plate 2 in furnace chamber 1, middle part is provided with a gas material mixture through hole 203, the bottom surface of gas material mixture through hole 203
For material blocking table 202, the bottom surface of air distribution plate 2 is the top of mixed air vessel 301, and it is shaped as the spherical crown arch face of fovea superior, the spherical crown arch
Multiple passages 201 are provided between face and gas material mixture through hole 203, the upper end gas outlet of passage 201 leads to gas material mixture
Bottom hole portion is connected, and lower end air inlet is connected with mixed air vessel 301, the gas outlet of passage 201 and gas material mixture through hole 203
Connecting portion is provided with sealing cap 204；The middle part of mixed air vessel 301 sets fine coal delivery pipe c and carbon containing fly ash carry pipe d, fine coal delivery pipe c
It is connected with carbon containing fly ash carry pipe d with mixed air vessel 301, the bottom of mixed air vessel 301 sets gasifying agent conduit e, gasifying agent is led
Pipe e is connected with mixed air vessel 301, and the high temperature that the gasifying agent, carbon containing flying dust, fine coal precombustion in mixed air vessel 301 are produced contains
The coal gas and gasifying agent of carbon flying dust, the upper end for entering passage 201 by the lower end of passage 201 spray, into the mixing of gas material
The boundling of thing through hole 203 rushes at the furnace chamber 1 of gasification furnace, and the big ladder wind beam air-flow of middle flow velocity is formed in furnace chamber 1, and furnace chamber 1 is set
Up big and down small inverted round stage structure is set to, cavity top is arranged to form middle upward boundling gas in the spherical cap structure of fovea superior, furnace chamber 1
The internal circulation flow of the downward air-flow cross flow in stream, edge, the porch for the High Temperature Gas material conduit b that the top of furnace chamber 1 is set is set
There is guide platform 4, upwards, the upper table surface of guide platform 4 is arc surface, its cambered surface and tube wall under High Temperature Gas material conduit b to the table top of guide platform 4
Inwall connects, and the material that guide platform is fallen into furnace chamber 1 enters lower road equipment along High Temperature Gas material conduit b interior walls be smooths.
In the design, due to the design of ladder wind beam air distribution plate so that enter the high temperature of circle fluidized-bed gasification furnace furnace chamber 1
The centre of gas material mixture is the air-flow of high speed, and the material being relatively large in diameter for falling into gas material mixture through hole 203 is blown afloat with gas
Stream is quick upward, and High Temperature Gas material is repeatedly eventually passed through after circulation leads b pipes into lower road equipment.The high velocity air of above-mentioned centre and upper
The furnace chamber design of small inverted round stage structure under big, realizes in the middle of in furnace chamber cluster air flow upwards, downward interior of edge airflow cross flow
Circulate.
Shown in accompanying drawing 1 is that the utility model is used in the situation in self-loopa fluidized-bed gasification furnace, mixed air vessel in stove
Fine coal and carbon containing flying dust are sent into mixed air vessel 301 by the fine coal delivery pipe c and carbon containing fly ash carry pipe d that 301 middle parts are set, and are mixed
Closing the bottom of air chamber 301 sets gasifying agent conduit e that gasifying agent is sent into mixed air vessel 301, and fine coal and carbon containing flying dust exist with gasifying agent
Mixed air vessel 301 meets and combustion gasification, the coal with high temperature flying dust that the gasifying agent and burning in mixed air vessel 301 are produced
Gas, the upper end for entering passage 201 by the lower end of passage 201 is sprayed, and gas is rushed at into the boundling of gas material mixture through hole 203
Change the furnace chamber 1 of stove.Because the tolerance for being relatively large in diameter and flowing through gas material mixture through hole 203 of gas material mixture through hole 203 is larger,
Therefore the flow velocity for the gas material mixture for furnace chamber 1 being rushed at from gas material mixture through hole 203 is differed, the middle big edge flow velocity of flow velocity
Small formation ladder wind beam.Therefore the ladder wind line of the gasifying agent of gasification furnace and the coal gas with high temperature flying dust is entered, in gasification
Quick flowing upwards, meets the rapid combustion and pyrolysis of coal that the coal chute a set in the middle part of furnace chamber 1 delivers into furnace chamber in the furnace chamber 1 of stove
Gasification, due to enter gasification furnace to be that middle flow velocity big edge flow velocity is small form ladder wind beam, furnace chamber 1 is specifically designed in addition,
So that the material and air-flow in gasification furnace furnace chamber produce the interior circulation phenomenon of chrysanthemum shape from top to bottom, it is achieved thereby that coal is in gas
Change and combustion pyrolytic gasification is repeatedly circulated in stove furnace chamber 1, it is ensured that the gasification temperature in furnace chamber, improve coal gasification rate；Enter simultaneously
The centre for entering the High Temperature Gas material mixture of circle fluidized-bed gasification furnace furnace chamber 1 is the air-flow of high speed, will fall into gas material mixture and leads to
The material being relatively large in diameter in hole 203 blow afloat it is quickly upward with air-flow, repeatedly circulation after eventually pass through High Temperature Gas material lead b pipes enter under
Road equipment.The high velocity air of above-mentioned centre and the design of the furnace chamber of up big and down small inverted round stage structure, realize boundling in the middle of in furnace chamber
Air-flow is upward, the downward internal circulation flow of edge airflow cross flow.
Claims (4)
1. self-loopa fluidized-bed gasification furnace in a kind of stove, it is made up of body of heater and furnace chamber, and body of heater is shell, and furnace chamber is outer
The cavity of shell cladding, furnace chamber top is set to furnace chamber, bottom and is set between mixed air vessel, upper and lower part be provided with cloth wind
Coal chute is set, and coal chute is connected with furnace chamber, the top of furnace chamber sets High Temperature Gas material conduit, High Temperature Gas material in the middle part of plate, furnace chamber
One end of conduit is connected with furnace chamber, and the other end is connected with lower duct device；Furnace chamber bottom is set above air distribution plate, air distribution plate
In furnace chamber, middle part is provided with gas material mixture through hole, under gas material mixture through hole bottom surface is material blocking table, air distribution plate
Bottom surface is the top of mixed air vessel, and it is shaped as setting between the spherical crown arch face of fovea superior, spherical crown arch face and gas the material mixture through hole
There are multiple passages, passage upper end gas outlet is connected with gas material mixture via bottoms, lower end air inlet and mixed air vessel
It is connected, passage gas outlet is provided with sealing cap with gas material mixture through hole connecting portion；
Fine coal delivery pipe and carbon containing fly ash carry pipe are set in the middle part of mixed air vessel, and fine coal delivery pipe and carbon containing fly ash carry pipe are with mixing
Close air chamber to be connected, mixed air vessel bottom sets gasifying agent conduit, and gasifying agent conduit is connected with mixed air vessel, in mixed air vessel
Gasifying agent, carbon containing flying dust, fine coal precombustion produce the carbon containing flying dust of high temperature coal gas and gasifying agent, entered by the lower end of passage
Enter the upper end ejection to passage, the furnace chamber of gasification furnace rushed at into gas material mixture through hole boundling, it is characterised in that：In furnace chamber
Between be arranged to up big and down small inverted round stage structure provided with the big ladder wind beam air-flow of flow velocity, furnace chamber, cavity top is arranged to the ball of fovea superior
It is preced with the internal circulation flow of the downward air-flow cross flow in cluster air flow upward in the middle of being formed in structure, furnace chamber, edge, the furnace chamber
The porch for the High Temperature Gas material conduit that portion is set is provided with guide platform, and upwards, guide platform upper table surface is arc surface to the table top of guide platform,
Its cambered surface connects with tube wall inwall under High Temperature Gas material conduit.
2. self-loopa fluidized-bed gasification furnace in a kind of stove according to claim 1, it is characterised in that：The longitudinal direction of guide platform is cut
Face is shaped as a part for annulus.
3. self-loopa fluidized-bed gasification furnace in a kind of stove according to claim 1, it is characterised in that：What furnace chamber bottom was set
Air distribution plate is ladder wind beam air distribution plate.
4. self-loopa fluidized-bed gasification furnace in a kind of stove according to claim 1, it is characterised in that：What furnace chamber bottom was set
Be can precombustion mixed air vessel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720190392.1U CN206494910U (en) | 2017-03-01 | 2017-03-01 | Self-loopa fluidized-bed gasification furnace in a kind of stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720190392.1U CN206494910U (en) | 2017-03-01 | 2017-03-01 | Self-loopa fluidized-bed gasification furnace in a kind of stove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206494910U true CN206494910U (en) | 2017-09-15 |
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ID=59806110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720190392.1U Active CN206494910U (en) | 2017-03-01 | 2017-03-01 | Self-loopa fluidized-bed gasification furnace in a kind of stove |
Country Status (1)
| Country | Link |
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| CN (1) | CN206494910U (en) |
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 |
| CN109022038A (en) * | 2018-09-30 | 2018-12-18 | 安徽科达洁能股份有限公司 | A kind of biomass fluid bed equipment for gasification and its gasification process |
-
2017
- 2017-03-01 CN CN201720190392.1U patent/CN206494910U/en active Active
Cited By (3)
| 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 |
| CN109022038A (en) * | 2018-09-30 | 2018-12-18 | 安徽科达洁能股份有限公司 | A kind of biomass fluid bed equipment for gasification and its gasification process |
| CN109022038B (en) * | 2018-09-30 | 2024-03-29 | 安徽科达洁能股份有限公司 | Biomass fluidized bed gasification equipment and gasification method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
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 utility model: A self circulating fluidized bed gasifier in the furnace Granted publication date: 20170915 License type: Common License Record date: 20231107 |
|
| EE01 | Entry into force of recordation of patent licensing contract |