CN107841346A - Coal air part heat of gasification electricity fuel-gas multiple production device and method - Google Patents
Coal air part heat of gasification electricity fuel-gas multiple production device and method Download PDFInfo
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- CN107841346A CN107841346A CN201711060156.9A CN201711060156A CN107841346A CN 107841346 A CN107841346 A CN 107841346A CN 201711060156 A CN201711060156 A CN 201711060156A CN 107841346 A CN107841346 A CN 107841346A
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- coal
- semicoke
- gas
- air
- gasification furnace
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- 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
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
-
- 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
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/72—Other features
- C10J3/82—Gas withdrawal means
- C10J3/84—Gas withdrawal means with means for removing dust or tar from the gas
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C10/00—Fluidised bed combustion apparatus
- F23C10/18—Details; Accessories
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C10/00—Fluidised bed combustion apparatus
- F23C10/18—Details; Accessories
- F23C10/24—Devices for removal of material from the bed
- F23C10/26—Devices for removal of material from the bed combined with devices for partial reintroduction of material into the bed, e.g. after separation of agglomerated parts
-
- 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
- C10J2300/0913—Carbonaceous raw material
- C10J2300/093—Coal
-
- 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
- C10J2300/0953—Gasifying agents
- C10J2300/0956—Air or oxygen enriched air
-
- 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
- C10J2300/12—Heating the gasifier
- C10J2300/1207—Heating the gasifier using pyrolysis gas as fuel
-
- 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
- C10J2300/18—Details of the gasification process, e.g. loops, autothermal operation
- C10J2300/1807—Recycle loops, e.g. gas, solids, heating medium, water
Abstract
The present invention relates to coal part Gasification Polygeneration System field, it is desirable to provide a kind of coal air part heat of gasification electricity fuel-gas multiple produces device and method.Including CFBC stove and circle fluidized-bed gasification furnace；Flue gas at the top of the former is connected to fume emission pipeline through separator, and separation of material is connected to recycle stock entrance through material returning device；Fume emission pipeline realizes discharge after the flue gas heat-exchange unit in steam raising plant, and steam raising plant is connected to heat supply user end and/or steam-electric power unit by pipeline；The middle and lower part of the latter sets semicoke overfall, and middle part sets coal feedstock mouth, and the combustion gas at top is followed by gas emission pipeline through separation；Separation of material and semicoke overfall are connected to the recycle stock entrance of combustion furnace through material returning device.Fluidized gasification technology is combined by the present invention with coal-char combustion technology, is avoided producing high carbon content semicoke and bottom ash, is improved system efficiency of carbon con version；The whole efficiency of coal utilization system is improved, reduces the complexity and operating cost of equipment.
Description
Technical field
The present invention relates to coal part Gasification Polygeneration System field, more particularly to a kind of coal air part heat of gasification electricity combustion gas
Multi-joint-production apparatus and method.
Background technology
China's energy resource structure is rich coal, few oil, deficency.Coal resources all will be in current and following a very long time
The main energy sources in China, coal resources account for the 70% of China's total energy consumption；However, nowadays main Land use systems of coal
Direct combustion power generation, efficiency is low and disposal of pollutants is serious, and China's sustainable economic development and people's lives are all caused
Have a strong impact on.Existing ciculation fluidized bed gasification technology efficiency of carbon con version is low, and utilization ratio is low, causes serious waste of resources, meanwhile,
Gasification needs substantial amounts of pure oxygen, it is necessary to be equipped with large-scale air separation unit, system complexity increase, operating cost increase.
The content of the invention
The technical problem to be solved in the present invention is to overcome existing technical deficiency, there is provided a kind of coal air partial gasification
Thermoelectricity fuel-gas multiple produces device and method.
To solve technical problem, solution of the invention is：
A kind of coal air part heat of gasification electricity fuel-gas multiple production device, including the recirculating fluidized bed provided with slag-drip opening are provided
Combustion furnace；Also include the circle fluidized-bed gasification furnace provided with slag-drip opening；
The bottom of the CFBC stove sets air intake, and middle and lower part sets first circulation material inlet, and top is set
Exhanst gas outlet；Wherein, the exhanst gas outlet at top is followed by fume emission pipeline, the second cyclone separator through the second cyclone separator
The material returning device of bottom second be connected to second circulation material inlet in the middle part of CFBC stove；Fume emission pipeline passes through
After flue gas heat-exchange unit in steam raising plant realize discharge, steam raising plant by pipeline be connected to heat supply user end and/or
Steam-electric power unit；
The bottom of the circle fluidized-bed gasification furnace sets air intake, and middle and lower part sets semicoke overfall, middle part set coal to
Material mouth, top set gas outlet；Wherein, the gas outlet at top is followed by gas emission pipeline through the first cyclone separator；The
The material returning device of bottom first of one cyclone separator is connected to the first circulation material inlet of CFBC stove, semicoke overflow
Mouth is connected to first circulation material inlet through the 3rd material returning device.
In the present invention, the inside of the circle fluidized-bed gasification furnace is divided into air compartment, emulsion zone and dilute-phase zone from the bottom to top；Its
In, gasification furnace air intake is connected with air compartment, and coal feedstock mouth is located in the middle part of emulsion zone, and semicoke overfall is located under emulsion zone
Portion, gas outlet are located at the top of dilute-phase zone；
The inside of the fluid-bed combustion furnace is divided into air compartment, emulsion zone and dilute-phase zone from the bottom to top；Wherein, burner air
Entrance is connected with air compartment, and first circulation material inlet is located at emulsion zone bottom, second circulation material inlet emulsion zone middle part, flue gas
Outlet is at the top of dilute-phase zone.
In the present invention, the gas emission pipeline is connected to gas user end.
In the present invention, the bottom of CFBC stove sets the combustion furnace lock hopper with slag-drip opening, recirculating fluidized bed gasification
The bottom of stove sets the gasification furnace lock hopper with slag-drip opening.
Invention further provides the coal partial gasification staged conversion method based on aforementioned means, including following steps
Suddenly：
(1) graininess coal is added in the middle part of the emulsion zone of circle fluidized-bed gasification furnace by coal feedstock mouth, control
The mass ratio of coal and air is 1.65~1.8；Circle fluidized-bed gasification furnace is run at ambient pressure, and running temperature 900~
1000℃；Graininess coal mixes in emulsion zone with the air from bottom, makes coal that partial gasification occur and generates combustion gas, should
During air as gasifying agent；
(2) combustion gas of circle fluidized-bed gasification furnace discharge passes through gas emission pipeline after primary cyclone dedusting
Deliver to gas user end；Separating obtained dust delivers to CFBC stove by material returning device；Passed through in circle fluidized-bed gasification furnace
Semicoke material is generated after gasification reaction, CFBC stove is delivered to by material returning device after the discharge of semicoke overfall；
(3) CFBC stove runs for normal pressure, and running temperature is 900~950 DEG C；Control bottom air and semicoke
The mass ratio of material is 1~1.2, makes semicoke material that combustion reaction, generation temperature occur in emulsion zone and the air from bottom
Spend the flue gas for 900-950 DEG C；
(4) flue gas in CFBC stove delivers to fume emission pipeline after carrying out dedusting by cyclone separator, passes through
Discharge is realized after crossing the flue gas heat-exchange unit in steam raising plant；Steam delivers to heat supply by pipeline caused by steam raising plant
User terminal and/or steam-electric power unit, realize steam heating and/or and/or steam-electric power；
The separating obtained dust of cyclone separator returns to CFBC stove by material returning device, and it is anti-to participate in burning again
Should；Semicoke material described in step (3) includes the semicoke material and two cyclone separators from circle fluidized-bed gasification furnace discharge
Separating obtained dust.
In the present invention, the granularity of the graininess coal is 1~10mm.
Inventive principle describes：
The present invention combines the chemical constitution feature of coal, is partially converted into combustion by what wherein activity was preferably easy to gasify first
Gas, supply industrial production, then the caused semicoke for being not easy to gasify is burnt as raw material, produce high-temperature flue gas with
High-temperature steam is produced in subsequent technique and is used for generating or heat supply.
Coal part Gasification Polygeneration System technology organically combines recirculating fluidized bed air gasification and coal-char combustion, improves carbon
Conversion ratio, the products such as heat, electricity, combustion gas can be produced simultaneously, because the combustion gas needed for daily industrial production is to Gas Components and heat
Value requires low, and the calorific value of 1000 kilocalories or so can meet its requirement, and be emphasized not too much in the gasification of coal air part
Gasification efficiency, caused fuel gases calorific value can meet industrial production needs；Heat caused by coal-char combustion can be used for simultaneously
Heat supply or power supply, the utilization ratio of coal is improved, realize the optimization of coal utilization system overall efficiency.Compared with current
Fluidized gasification technology, the technology have the advantages such as efficiency of carbon con version is high, oxygen demand is low, equipment manufacturing cost is low.
Compared with prior art, the device have the advantages that：
1st, it is of the invention by fluidized gasification technology and coal-char combustion technology phase compared with existing single fluidized gasification
With reference to avoiding producing high carbon content semicoke and bottom ash, improve system efficiency of carbon con version.
2nd, the present invention is pursued too high gasification efficiency of carbon con version, can applied not too much using coal and the gasification reaction of air
In to gas component and the less demanding industrial production of calorific value；Semicoke material is burnt in fluid-bed combustion furnace, is formed high
Warm flue gas, available for production high pressure high temperature vapor to realize generating or heat supply, the combination of two kinds of technologies improves coal profit
With the whole efficiency of system.
3rd, the present invention uses air blast, avoids using air separation unit, reduces the complexity and operating cost of equipment,
There are greater advantages in economy.
Brief description of the drawings
Fig. 1 is a kind of schematic diagram of implementation of device of the present invention.
In figure：Coal feedstock mouth 1, air intake 2, circle fluidized-bed gasification furnace 3, the first material returning device 4, the first cyclonic separation
Device 5, gas emission pipeline 6, the second cyclone separator 7, the second material returning device 8, CFBC stove 9, air intake 10, cigarette
Gas discharge pipe line 11, semicoke overfall 12, the 3rd material returning device 13, first circulation material inlet 14, second circulation material inlet 15,
Gasification furnace lock hopper 16, combustion furnace lock hopper 17, flue gas heat-exchange unit 18, gas user end 19, heat supply user end 20, steam-electric power unit
21。
Embodiment
Below in conjunction with the accompanying drawings, the implementation of the present invention is described.
Coal air part heat of gasification electricity fuel-gas multiple production device in the present invention, including the He of CFBC stove 9
Circle fluidized-bed gasification furnace 3, the former bottom set the combustion furnace lock hopper 17 with slag-drip opening, and the latter bottom sets the gasification furnace with slag-drip opening
Lock hopper 16.
The bottom of CFBC stove 9 sets air intake 10, and middle and lower part sets first circulation material inlet 14, and top is set
Exhanst gas outlet；Wherein, the exhanst gas outlet at top is followed by fume emission pipeline 11, the second whirlwind point through the second cyclone separator 7
The second material returning device of bottom 8 from device 7 is connected to the second circulation material inlet 15 at the middle part of CFBC stove 9；Flue gas is arranged
Put the line of pipe 11 and discharge is realized after the flue gas heat-exchange unit 18 in steam raising plant；Steam raising plant is connected to confession by pipeline
Heat user end 20, or steam-electric power unit 21 is connected to by pipeline (such as steam production is sufficient, also can be for heat and generating power simultaneously
Carry out).
The bottom of circle fluidized-bed gasification furnace 3 sets air intake 2, and middle and lower part sets semicoke overfall 12, middle part set coal to
Material mouth 1, top sets gas outlet；Wherein, the gas outlet at top is followed by gas emission pipeline 6 through the first cyclone separator 5,
Gas emission pipeline 6 is connected to gas user end 19.The first material returning device of bottom 4 of first cyclone separator 5 is connected to ciculation fluidized
The first circulation material inlet 14 of bed combustion furnace 9, semicoke overfall 12 are connected to first circulation material inlet through the 3rd material returning device 13
14。
The inside of circle fluidized-bed gasification furnace 3 is divided into air compartment, emulsion zone and dilute-phase zone from the bottom to top；Its air intake 2 with
Air compartment is connected, and coal feedstock mouth 1 is located in the middle part of emulsion zone, and semicoke overfall 12 is located at emulsion zone bottom, and gas outlet is positioned at dilute
At the top of phase region；The inside of CFBC stove 9 is divided into air compartment, emulsion zone and dilute-phase zone from the bottom to top；Its air intake 10
It is connected with air compartment, first circulation material inlet 14 is located at emulsion zone bottom, the emulsion zone of second circulation material inlet 15 middle part, flue gas
Outlet is at the top of dilute-phase zone.
Coal partial gasification staged conversion method based on device of the present invention, comprises the steps：
(1) the graininess coal that granularity is 1~10mm is added to circle fluidized-bed gasification furnace 3 by coal feedstock mouth 1
Emulsion zone in the middle part of, control the mass ratio of coal and air as 1.65~1.8；Circle fluidized-bed gasification furnace 3 is transported at ambient pressure
OK, 900~1000 DEG C of running temperature；Graininess coal mixes in emulsion zone with the air from bottom, makes coal that part occur
Gasify and generate combustion gas, air is as gasifying agent during being somebody's turn to do；
(2) combustion gas that circle fluidized-bed gasification furnace 3 discharges (can also increase second level whirlwind through the first cyclone separator 5
Separator) after dedusting, gas user end 19 is delivered to by gas emission pipeline 6；Separating obtained dust is delivered to by the first material returning device 4
CFBC stove 9；Semicoke material is generated in circle fluidized-bed gasification furnace 3 after gasification reaction, from semicoke overfall 12
CFBC stove 9 is delivered to by the 3rd material returning device 13 after discharge；
(3) CFBC stove 9 runs for normal pressure, and running temperature is 900-950 DEG C；Control bottom air and semicoke
The mass ratio of material is 1~1.2, makes semicoke material that combustion reaction, generation temperature occur in emulsion zone and the air from bottom
Spend the flue gas for 900-950 DEG C；Semicoke material described herein includes the semicoke material and two from circle fluidized-bed gasification furnace discharge
The individual separating obtained dust of cyclone separator.
(4) flue gas in CFBC stove 9 delivers to smoke discharge pipe after carrying out dedusting by the second cyclone separator 7
Road 11, discharge is realized after the flue gas heat-exchange unit 18 in steam raising plant；Steam passes through pipe caused by steam raising plant
Line delivers to heat supply user end 20 and/or steam-electric power unit 21, realizes steam heating and/or steam-electric power.Second cyclonic separation
7 separating obtained dust of device returns to CFBC stove 9 by the second material returning device 8, participates in combustion reaction again；
Concrete application example：
Coal added to the emulsion zone of circle fluidized-bed gasification furnace 3 by coal feedstock mouth 1, coal-supplying amount 180t/h, with
Air mixing from bottom, air coal ratio are 1.75.In order to control tar content caused by gasification, circle fluidized-bed gasification furnace 3
Temperature control is at 970 DEG C or so.In circle fluidized-bed gasification furnace 3, with air gasification reaction occurs for coal, generates combustion gas.Combustion
Throughput is 456960m3/ h, circle fluidized-bed gasification furnace 3 is left by two stage cyclone separator.Combustion gas is mainly used in industrial
Gas, and the semicoke and flying dust separated through cyclone separator is then delivered to CFBC stove 9 by the first material returning device 4
Burnt.
The principal feedstock of CFBC stove 9 comes from the semicoke material of circle fluidized-bed gasification furnace 3.Recycle stream
Change in bed gasification furnace 3, semicoke material caused by coal partial gasification overflows from the overfall 12 at the top of emulsion zone, and is returned through the 3rd
Glassware 13 is fed directly to fluid-bed combustion furnace 9, and semicoke material inlet amount is 17804.9kg/h.In CFBC stove 9
In, semicoke material carries out burning with air and produces high-temperature flue gas, air mass flow 320400kg/h, high-temperature flue gas caused by burning
Carry high-temperature material and enter the second cyclone separator 7, isolated high-temperature material returns to recycle stream through the second material returning device 8
Fluidized bed combustion stove 9.CFBC stove 9 runs for normal pressure, and it is 900-950 DEG C to control running temperature.
Claims (6)
1. a kind of coal air part heat of gasification electricity fuel-gas multiple produces device, including the CFBC provided with slag-drip opening
Stove；Characterized in that, also include the circle fluidized-bed gasification furnace provided with slag-drip opening；
The bottom of the CFBC stove sets air intake, and middle and lower part sets first circulation material inlet, and top sets flue gas
Outlet；Wherein, the exhanst gas outlet at top is followed by fume emission pipeline, the bottom of the second cyclone separator through the second cyclone separator
The material returning device of portion second is connected to the second circulation material inlet in the middle part of CFBC stove；Fume emission pipeline passes through steam
Discharge is realized after flue gas heat-exchange unit in generating means, steam raising plant is connected to heat supply user end and/or steam by pipeline
Generating set；
The bottom of the circle fluidized-bed gasification furnace sets air intake, and middle and lower part sets semicoke overfall, and middle part sets coal feedstock mouth,
Top sets gas outlet；Wherein, the gas outlet at top is followed by gas emission pipeline through the first cyclone separator；First whirlwind
The material returning device of bottom first of separator is connected to the first circulation material inlet of CFBC stove, and semicoke overfall is through
Three material returning devices are connected to first circulation material inlet.
2. device according to claim 1, it is characterised in that
The inside of the circle fluidized-bed gasification furnace is divided into air compartment, emulsion zone and dilute-phase zone from the bottom to top；Its air intake and wind
Room is connected, and coal feedstock mouth is located in the middle part of emulsion zone, and semicoke overfall is located at emulsion zone bottom, and gas outlet is located at dilute-phase zone top
Portion；
The inside of the CFBC stove is divided into air compartment, emulsion zone and dilute-phase zone from the bottom to top；Its air intake and wind
Room is connected, and first circulation material inlet is located at emulsion zone bottom, second circulation material inlet emulsion zone middle part, and exhanst gas outlet is located at
At the top of dilute-phase zone.
3. device according to claim 1, it is characterised in that the gas emission pipeline is connected to gas user end.
4. device according to claim 1, it is characterised in that the bottom of CFBC stove sets the combustion with slag-drip opening
Stove lock hopper is burnt, the bottom of circle fluidized-bed gasification furnace sets the gasification furnace lock hopper with slag-drip opening.
5. the coal partial gasification staged conversion method based on claim 1 described device, it is characterised in that including following steps
Suddenly：
(1) graininess coal is added in the middle part of the emulsion zone of circle fluidized-bed gasification furnace by coal feedstock mouth, controls coal
Mass ratio with air is 1.65~1.8；Circle fluidized-bed gasification furnace is run at ambient pressure, 900~1000 DEG C of running temperature；
Graininess coal mixes in emulsion zone with the air from bottom, makes coal that partial gasification occur and generates combustion gas, during being somebody's turn to do
Air is as gasifying agent；
(2) combustion gas of circle fluidized-bed gasification furnace discharge delivers to combustion gas after cyclone separator dedusting by gas emission pipeline
User terminal；Separating obtained dust delivers to CFBC stove by material returning device；Through gasification reaction in circle fluidized-bed gasification furnace
Semicoke material is generated afterwards, and CFBC stove is delivered to by material returning device after the discharge of semicoke overfall；
(3) CFBC stove runs for normal pressure, and running temperature is 900~950 DEG C；Control bottom air and semicoke material
Mass ratio be 1~1.2, make semicoke material emulsion zone with from bottom air occur combustion reaction, generation temperature be
900~950 DEG C of flue gas；
(4) flue gas in CFBC stove delivers to fume emission pipeline after carrying out dedusting by cyclone separator, by steaming
Discharge is realized after flue gas heat-exchange unit in vapour generating means；Steam delivers to heat supply user by pipeline caused by steam raising plant
End and/or steam-electric power unit, realize steam heating and/or steam-electric power；
The separating obtained dust of cyclone separator returns to CFBC stove by material returning device, participates in combustion reaction again；Step
Suddenly semicoke material described in (3) includes the semicoke material from circle fluidized-bed gasification furnace discharge and two cyclone separator separation institutes
Obtain dust.
6. according to the method for claim 5, the granularity of the graininess coal is 1~10mm.
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| CN201711060156.9A CN107841346A (en) | 2017-11-01 | 2017-11-01 | Coal air part heat of gasification electricity fuel-gas multiple production device and method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110591761A (en) * | 2019-09-12 | 2019-12-20 | 浙江大学 | Coal fluidized bed partial gasification co-production device and process |
| CN110982559A (en) * | 2019-12-25 | 2020-04-10 | 福州大学 | Uniform feeding type circulating fluidized bed reactor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1058839A (en) * | 1990-07-23 | 1992-02-19 | 三菱重工业株式会社 | Gasification combustion method and gasifying electricity generation method |
| CN1277339A (en) * | 2000-07-28 | 2000-12-20 | 中国国际工程咨询公司 | Combined circular coal-burning power generating system and method adopting partial gasification and air preheating |
| CN103897743A (en) * | 2014-03-28 | 2014-07-02 | 上海锅炉厂有限公司 | Solid fuel grading gasification-combustion double-bed poly-generation system and method |
| CN105861069A (en) * | 2016-05-26 | 2016-08-17 | 浙江大学 | Solid fuel double-fluidized bed partial gasification classified converting device and method |
-
2017
- 2017-11-01 CN CN201711060156.9A patent/CN107841346A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1058839A (en) * | 1990-07-23 | 1992-02-19 | 三菱重工业株式会社 | Gasification combustion method and gasifying electricity generation method |
| CN1277339A (en) * | 2000-07-28 | 2000-12-20 | 中国国际工程咨询公司 | Combined circular coal-burning power generating system and method adopting partial gasification and air preheating |
| CN103897743A (en) * | 2014-03-28 | 2014-07-02 | 上海锅炉厂有限公司 | Solid fuel grading gasification-combustion double-bed poly-generation system and method |
| CN105861069A (en) * | 2016-05-26 | 2016-08-17 | 浙江大学 | Solid fuel double-fluidized bed partial gasification classified converting device and method |
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| CN110591761A (en) * | 2019-09-12 | 2019-12-20 | 浙江大学 | Coal fluidized bed partial gasification co-production device and process |
| CN110982559A (en) * | 2019-12-25 | 2020-04-10 | 福州大学 | Uniform feeding type circulating fluidized bed reactor |
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