CN209636183U - A kind of ciculation fluidized double bed heating gas station - Google Patents
A kind of ciculation fluidized double bed heating gas station Download PDFInfo
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- CN209636183U CN209636183U CN201920278808.4U CN201920278808U CN209636183U CN 209636183 U CN209636183 U CN 209636183U CN 201920278808 U CN201920278808 U CN 201920278808U CN 209636183 U CN209636183 U CN 209636183U
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 19
- 239000003245 coal Substances 0.000 claims abstract description 83
- 238000002309 gasification Methods 0.000 claims abstract description 71
- 238000000197 pyrolysis Methods 0.000 claims abstract description 53
- 239000003034 coal gas Substances 0.000 claims abstract description 23
- 239000000428 dust Substances 0.000 claims description 16
- 239000007787 solid Substances 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 11
- 229910052799 carbon Inorganic materials 0.000 abstract description 11
- 238000006243 chemical reaction Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 6
- 238000010521 absorption reaction Methods 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000004134 energy conservation Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 28
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000003134 recirculating effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
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
- Y02P20/10—Process efficiency
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- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
Abstract
The utility model relates to a kind of ciculation fluidized double bed heating gas stations, comprising: coal scuttle, fluidized bed pyrolysis gasification furnace, moving bed cycle gasification furnace, cyclone separator.The outlet of coal scuttle is communicated with the coal entrance of fluidized bed pyrolysis gasification furnace；The export of coal of fluidized bed pyrolysis gasification furnace is communicated with the coal entrance of moving bed cycle gasification furnace；The gas exit of moving bed cycle gasification furnace is communicated with the gas entry of cyclone separator.Fluidized bed pyrolysis gasification furnace furnace chamber is both that the chamber of low-temperature pyrolysis of coal and coal enter the channel of moving bed cycle gasification furnace, while being the channel for generating coal gas in moving bed cycle gasification furnace and flowing into cyclone separator again.Heat exchange is carried out with the coal in fluidized bed pyrolysis gasification furnace coal channel in flow process from the coal gas of high temperature passed through in fluidized bed pyrolysis gasifier gas channel, makes coal heat absorption heating, preliminary pyrolytic gasification.The utility model efficiency of carbon con version is high, operating cost is low, energy conservation and environmental protection.
Description
Technical field
The utility model relates to coal gas technical field, specially a kind of heating gas station is especially a kind of ciculation fluidized double
Bed heating gas station.
Background technique
It is the heat of main research and the application of current Filter Tuber For Clean Coal gas producing technology that the pyrolysis and gasification of coal, which convert, and sub-prime utilizes
Point.Advanced Coal Gasification Technology, which not only can be reduced, generates pollutant to atmosphere discharge, but also coal utilizaton rate can be significantly increased.
In March, 2015, industrial information portion and the Ministry of Finance combine and have worked out that " industrial circle coal high-efficiency utilizes action plan (2015-
2020) ", to industrial circle Coal Cleanization using layout is made, it is high that action plan recommends 21 kinds of industrial circle Coal Cleans
Effect is using the technology of referring to, and wherein circulation fluidized bed coal gasifying technology is among them.However, traditional circulation fluidized bed coal gasifying is set
There is also certain disadvantages in practical applications for standby system, such as: efficiency of carbon con version is low, adaptability not strong, operating cost height etc..Cause
This, the road that industrial circle Coal Clean efficiently utilizes still shoulders heavy responsibilities, especially recirculating fluidized bed coal cycle gasification
Mechanism, form, mode, structure, it is still desirable to further improve improve.
Summary of the invention
In order to solve the disadvantage that conventional recycle fluidized bed coal gasification device systems exist, the utility model provides a kind of circulation
Fluidize double bed heating gas station.Fluidized bed pyrolysis gasification technology and moving bed cycle gasification technology are incorporated in one by the utility model
It rises, had not only avoided the generation of phenolic comp ' ds pollution, but also solve the problems, such as that efficiency of carbon con version is low.
The utility model is implemented by the following technical programs: a kind of ciculation fluidized double bed heating gas station, comprising: coal scuttle, gas
Gu isolating device, fluidized bed pyrolysis gasification furnace, moving bed cycle gasification furnace, cyclone separator, flying dust mud chamber and unicom pipeline,
The outlet of the coal scuttle is communicated with the entrance of fluidized bed pyrolysis gasification furnace；The export of coal of the fluidized bed pyrolysis gasification furnace with
The coal entrance of moving bed cycle gasification furnace communicates；The gas exit of the moving bed cycle gasification furnace and the coal of cyclone separator
Gas entrance communicates；The gas exit of the cyclone separator is communicated with the entrance of the heavy room of splitting of flying dust, it is characterised in that:
The fluidized bed pyrolysis gasification furnace is made of furnace chamber and spiral drop guide；
The furnace chamber is barrel-shaped coal pyrolysis chamber, the barrel-shaped vertical setting of coal pyrolysis chamber；
The spiral drop guide along furnace chamber axial restraint, and the interior wall seamless of the edge of helical blade and furnace chamber connect
It connects；
The helicla flute of the helical blade is the channel that coal from top to bottom slides, the sky between the helicla flute and coal
Gap is the channel that coal gas flows from the bottom to top；
The gas-solid isolating device is arranged between coal scuttle and the interface of fluidized bed pyrolysis gasification furnace.
Further, the helix angle λ > arctgf of the helical blade, wherein sliding of the f between coal and steel rub
Wipe coefficient.
In some embodiments:
The fluidized bed pyrolysis gasification furnace is made of furnace chamber and spiral propeller；
The furnace chamber is barrel-shaped coal pyrolysis chamber, the barrel-shaped horizontal setting of coal pyrolysis chamber；
The spiral propeller is arranged along the axial direction of furnace chamber, and the internal diameter of the rotating diameter of helical blade and furnace chamber is constituted
Clearance fit；
The helical blade in the horizontal barrel-shaped furnace chamber is equipped with the hole that gas supply stream passes through；
The furnace chamber lower part is the channel that coal is pushed into moving bed cycle gasification furnace by spiral propeller, and top is coal
The coal gas that generates in moving bed cycle gasification furnace flows into the channel of cyclone separator, and coal and coal gas flow to it is reciprocal；
Further, the horizontal furnace chamber is arranged to " u "-shaped perpendicular to the cross sectional shape on length direction, " u "-shaped it is upper
Portion's closure of openings.
Further, gap is constituted between the rotating diameter of the helical blade and the semicircle cambered surface of " u "-shaped furnace chamber lower part
Cooperation.
The utility model has that efficiency of carbon con version is high, adaptable, operating cost is low, has a wide range of application, calorific value of gas is high, makes
Gas process does not generate the harmful substances such as tar and phenols, meets national energy-saving environmental requirement.
Detailed description of the invention
Attached drawing 1 is the structural schematic diagram of the utility model embodiment one；
Attached drawing 2 is the structural schematic diagram of the utility model embodiment two；
Attached drawing 3 is a kind of structural schematic diagram of A-A section in the utility model attached drawing 2；
Attached drawing 4 is another structural schematic diagram of A-A section in the utility model attached drawing 2.
In the accompanying drawings: 1 being coal scuttle, 2 be gas-solid isolating device, 3 be fluidized bed pyrolysis gasification furnace, 301 be furnace chamber, 302 be
Spiral drop guide, 303 be spiral propeller, 304 be air-flow pass through hole, 4 be moving bed cycle gasification furnace, 5 be jet chimney,
6 be carbon containing flying dust pipeline, 7 be air pipeline, 8 be the heavy room of splitting of flying dust, 9 be cyclone separator, 10 be gas piping, 11 be carbon containing
Flying dust, a be coal entrance, the b of fluidized bed pyrolysis gasification furnace be gas exit, c be production device portal.
Specific embodiment
Explanation is further explained to the utility model below by way of two embodiments and in conjunction with attached drawing:
As shown in attached drawing 1,2, the outlet of coal scuttle 1 is communicated with the coal entrance a of fluidized bed pyrolysis furnace；Fluidized bed pyrolysis gasification
The export of coal of furnace 3 is communicated with the coal entrance of moving bed cycle gasification furnace 4；The gas exit b of moving bed cycle gasification furnace 4 with
The gas entry of cyclone separator 9 communicates；The gas exit of cyclone separator 9 is communicated with the entrance of the heavy room 8 of splitting of flying dust.
Embodiment one:
As shown in Fig. 1, fluidized bed pyrolysis gasification furnace 3 is made of furnace chamber 301 and spiral drop guide 302,；Furnace chamber 301 is
Barrel-shaped coal pyrolysis chamber, the barrel-shaped vertical setting of coal pyrolysis chamber；Helical blade, spiral shell are equipped in spiral drop guide 302
Drop guide 302 is revolved along the axial restraint of furnace chamber 301, and the inner wall of the edge of helical blade and furnace chamber 301 is seamlessly connected；Helical-blade
The helicla flute of piece is the channel that coal from top to bottom slides, and the gap between helicla flute and coal is what coal gas flowed from the bottom to top
Channel；Gas-solid isolating device 2 is arranged between coal scuttle 1 and the interface of fluidized bed pyrolysis gasification furnace 3.
In example 1, the helix angle λ of helical blade should meet λ > arctgf, and wherein f is between coal and steel
The coefficient of sliding friction.
Embodiment two:
As shown in Fig. 2: fluidized bed pyrolysis gasification furnace 3 is made of furnace chamber 301 and spiral propeller 303, in conjunction with attached drawing 3,
Furnace chamber 301 is barrel-shaped coal pyrolysis chamber, the barrel-shaped horizontal setting of coal pyrolysis chamber；Spiral shell is equipped in spiral propeller 303
Vane piece, spiral propeller 303 is arranged along the axial direction of furnace chamber 301, and the internal diameter structure of the rotating diameter of helical blade and furnace chamber 301
At clearance fit, the hole 304 that gas supply stream passes through is additionally provided on helical blade；301 lower part of furnace chamber is coal by spiral propeller 303
It is pushed into the channel of moving bed cycle gasification furnace 4, top is that the coal gas that coal generates in moving bed cycle gasification furnace 4 flows into whirlwind
The channel of separator 9, and coal and coal gas flow to it is reciprocal；
In example 2, as shown in Fig. 4, horizontal furnace chamber 301 can be with perpendicular to the cross sectional shape on length direction
Be arranged to " u "-shaped, and upper part closure of openings, the semicircle cambered surface of the rotating diameter of helical blade and 301 lower part of " u "-shaped furnace chamber it
Between constitute clearance fit.
When the utility model gas, coal is added from the coal entrance a of fluidized bed pyrolysis gasification furnace, with the stream constantly moved
Coal gas of high temperature the progress counterflow heat exchange, middle low temperature pyrogenation that change state form and moving bed cycle gasification furnace 4 generate, 400 DEG C~650 DEG C
Coal gas of high temperature make coal heating generate pyrolytic reaction；Residual oxygen when coal and coal gas of high temperature reverse convection, in coal gas of high temperature
Gas and a part of CO2 therein generate CO with coal after further reacting, and improve the heat content of the coal gas of high temperature of discharge,
Preliminary pyrolytic gasification is obtained simultaneously into the coal in fluidized bed pyrolysis gasification furnace 3；Coal after partial thermal decomposition, from moving bed
At 4 top gas exit of cycle gasification furnace, i.e. 3 coal gas input terminal of fluidized bed pyrolysis gasification furnace enters moving bed cycle gasification furnace 4
In, Hierarchical Mobile and the gasifying agent formed with the air being sent by air pipeline 7 and by the saturated vapor that jet chimney 5 is sent into
Row combustion and pyrolysis gasification reaction；The coal gas of high temperature of generation enters fluidized bed pyrolysis gasification furnace at the top of moving bed cycle gasification furnace 4
3, then exported from the gas exit b of 3 feed end of fluidized bed pyrolysis gasification furnace；The mixture of coal gas and carbon containing flying dust 11, passes through
Gas piping 10 is after 8 gas solid separation of cyclone separator 9 and flying dust mud chamber, and carbon containing flying dust 11 is through transportation system and carbon containing flying dust
Pipeline 6 returns in moving bed cycle gasification furnace 4 to react again, and heating gas is fed directly to process units entrance c.
The specific gas-made technology of the utility model comprises the steps of:
A, lower part of the coal under self gravitation effect, out of coal scuttle 1 enters fluidized bed pyrolysis gasification furnace 3 furnace chamber 301
Channel, and under the action of spiral drop guide 302 or spiral propeller 303, flowing walking, heat absorption heating, pyrolytic gasification, part
Coal after pyrolysis enters in moving bed cycle gasification furnace 4；
B, the coal gas of high temperature and carbon containing flying dust 11 generated after 4 cycle gasification of moving bed cycle gasification furnace, through fluidized bed pyrolysis
Upper channel in the furnace chamber 301 of gasification furnace 3 flows into cyclone separator 9 and flying dust mud chamber 8, and cyclone separator 9 and flying dust are heavy
Heating gas after 8 precipitation and separation of shallow lake room flows into next procedure, and carbon containing flying dust 11 is recycled into moving bed cycle gasification furnace 4 gas again
Change burning；
C, the coal gas of high temperature passed through from 301 gas passage of fluidized bed pyrolysis gasification furnace furnace chamber contains in flow process
The coal reversely walked in some thermal energy and 301 coal channel of fluidized bed pyrolysis gasification furnace furnace chamber carries out heat exchange.
Claims (7)
1. a kind of ciculation fluidized double bed heating gas station, comprising: coal scuttle, gas-solid isolating device, fluidized bed pyrolysis gasification furnace, moving bed
The outlet of cycle gasification furnace, cyclone separator, flying dust mud chamber, the coal scuttle is communicated with the entrance of fluidized bed pyrolysis gasification furnace；
The export of coal of the fluidized bed pyrolysis gasification furnace is communicated with the coal entrance of moving bed cycle gasification furnace；The moving bed follows
The gas exit of ring gasification furnace is communicated with the gas entry of cyclone separator；The gas exit and flying dust of the cyclone separator are heavy
The entrance of room of splitting communicates, it is characterised in that:
The fluidized bed pyrolysis gasification furnace is made of furnace chamber and spiral drop guide；
The furnace chamber is barrel-shaped coal pyrolysis chamber, the barrel-shaped vertical setting of coal pyrolysis chamber；
The spiral drop guide along furnace chamber axial restraint, and the inner wall of the edge of helical blade and furnace chamber be seamlessly connected；
The helicla flute of the helical blade is the channel that coal from top to bottom slides, and the gap between the helicla flute and coal is
The channel that coal gas flows from the bottom to top.
2. a kind of ciculation fluidized double bed heating gas station according to claim 1, it is characterised in that: the spiral shell of the helical blade
Lift angle λ > arctgf is revolved, wherein the coefficient of sliding friction of the f between coal and steel.
3. a kind of ciculation fluidized double bed heating gas station according to claim 1, it is characterised in that:
The fluidized bed pyrolysis gasification furnace is made of furnace chamber and spiral propeller；
The furnace chamber is barrel-shaped coal pyrolysis chamber, the barrel-shaped horizontal setting of coal pyrolysis chamber；
The spiral propeller is arranged along the axial direction of furnace chamber, and the internal diameter of the rotating diameter of helical blade and furnace chamber constitutes gap
Cooperation；
The furnace chamber lower part is the channel that coal is pushed into moving bed cycle gasification furnace by spiral propeller, and top is that coal is moving
The coal gas generated in dynamic bed cycle gasification furnace flows into the channel of cyclone separator, and coal and coal gas flow to it is reciprocal.
4. a kind of ciculation fluidized double bed heating gas station according to claim 3, it is characterised in that: the circle of the horizontal setting
The indoor helical blade of tubbiness coal pyrolysis chamber is equipped with the hole that gas supply stream passes through.
5. a kind of ciculation fluidized double bed heating gas station according to claim 3, it is characterised in that: the circle of the horizontal setting
Tubbiness coal pyrolysis chamber is arranged to " u "-shaped, and the upper opening closing of " u "-shaped perpendicular to the cross sectional shape on length direction.
6. a kind of ciculation fluidized double bed heating gas station according to claim 5, it is characterised in that: the rotation of the helical blade
Turn to constitute clearance fit between diameter and the semicircle cambered surface of " u "-shaped furnace chamber lower part.
7. a kind of ciculation fluidized double bed heating gas station according to claim 1 or 3, it is characterised in that: the gas-solid every
It is arranged between coal scuttle and the interface of fluidized bed pyrolysis gasification furnace from device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920278808.4U CN209636183U (en) | 2019-03-06 | 2019-03-06 | A kind of ciculation fluidized double bed heating gas station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920278808.4U CN209636183U (en) | 2019-03-06 | 2019-03-06 | A kind of ciculation fluidized double bed heating gas station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209636183U true CN209636183U (en) | 2019-11-15 |
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ID=68495211
Family Applications (1)
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|---|---|---|---|
| CN201920278808.4U Active CN209636183U (en) | 2019-03-06 | 2019-03-06 | A kind of ciculation fluidized double bed heating gas station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209636183U (en) |
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2019
- 2019-03-06 CN CN201920278808.4U patent/CN209636183U/en active Active
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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 | ||
| 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 circulating fluidized double bed hot gas station Granted publication date: 20191115 License type: Common License Record date: 20231107 |