CN105779020B - A kind of raw gas purifying and waste heat recycling system and method - Google Patents
A kind of raw gas purifying and waste heat recycling system and method Download PDFInfo
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- CN105779020B CN105779020B CN201610144325.6A CN201610144325A CN105779020B CN 105779020 B CN105779020 B CN 105779020B CN 201610144325 A CN201610144325 A CN 201610144325A CN 105779020 B CN105779020 B CN 105779020B
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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
- C10J3/72—Other features
- C10J3/82—Gas withdrawal means
- C10J3/84—Gas withdrawal means with means for removing dust or tar from the gas
-
- 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
- C10J3/80—Other features with arrangements for preheating the blast or the water vapour
-
- 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
- C10J3/86—Other features combined with waste-heat boilers
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/02—Dust removal
- C10K1/024—Dust removal by filtration
-
- 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
- C10J2300/0936—Coal fines for producing producer gas
-
- 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
- C10J2300/16—Integration of gasification processes with another plant or parts within the plant
- C10J2300/1687—Integration of gasification processes with another plant or parts within the plant with steam generation
-
- 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
- C10J2300/1861—Heat exchange between at least two process streams
- C10J2300/1884—Heat exchange between at least two process streams with one stream being synthesis gas
-
- 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
- C10J2300/1861—Heat exchange between at least two process streams
- C10J2300/1892—Heat exchange between at least two process streams with one stream being water/steam
-
- 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
-
- 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
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Industrial Gases (AREA)
Abstract
The invention discloses a kind of raw gas purifying and waste heat recycling systems, comprising: the first coal gas flue is connected to the exit of gasification furnace；First Heat Exchanger is connected to the rear end of first coal gas flue；Waste heat boiler is connected by the second coal gas flue with the outlet end of the First Heat Exchanger；Bag-type dust collector is connected by third coal gas flue with the outlet end of the waste heat boiler；Second heat exchanger is connected to the rear end of the bag-type dust collector；Drum, the drum are connected with the second heat exchanger and waste heat boiler respectively；Mixer is connected between the drum and the First Heat Exchanger.The invention also discloses the methods for carrying out raw gas purifying and heat recovery using the system.Residual neat recovering system of the present invention can greatly reduce the waste of the energy, the heat recovery of raw gas reaches as high as 99% or more with the low level waste heat in effective recycling raw gas.
Description
Technical field
The present invention relates to detached jobs and energy regenerating field of engineering technology, and in particular to a kind of raw gas purifying and waste heat
Recycling system and method.
Background technique
Coal is increasingly taken seriously in the application of the energy and chemical field at present, and it is a kind of for producing coal gas as raw material using coal
It cleans, efficiently in the way of coal.Now using coal as waste coal gas (CO+H2) used by technique mainly have: coal
By being crushed to 200 mesh hereinafter, being then mixed into gasification furnace gasification with gasifying agent, wherein in gasification outlet of still by raw gas band
Fine ash (wherein the carbon residue content to gasify has 15%-20%) out by sewage washing, concentration, filters pressing etc. operation after,
It is accumulated in the form of coal slime.It has bad luck after the sunning of part factory to power plant's fluidized-bed combustion boiler and burns.Some factories are even directly by this portion
Divide fine ash as industrial waste processing.During this processing, due to washing coal gas, a large amount of trade effluent is generated, and have
A large amount of solid wastes generate serious environmental pollution.The complex treatment process of coal dust, slime water treatment facility, equipment are more, operation
At high cost, investment is big.
In addition, temperature of the raw gas when leaving gasification furnace is generally up to 1100 DEG C or so, due to gasification furnace exit
Raw gas has a large amount of fine ash, and Lowlevel thermal energy therein is difficult to be recycled, and causes very big energy waste.
Therefore, it is necessary to the system and method for a kind of novel raw gas purifying and heat recovery be provided, to overcome
Disadvantages mentioned above.
Summary of the invention
For the above-mentioned prior art, the object of the present invention is to provide a kind of raw gas purifying and waste heat recycling system and
Method.
To achieve the above object, the present invention adopts the following technical solutions:
According to a first aspect of the present invention, a kind of raw gas purifying and waste heat recycling system, including the first coal gas are provided
Flue is connected to the exit of gasification furnace；First Heat Exchanger is connected to the rear end of first coal gas flue；Waste heat pot
Furnace is connected by the second coal gas flue with the outlet end of the First Heat Exchanger；Bag-type dust collector passes through third coal gas
Flue is connected with the outlet end of the waste heat boiler；Second heat exchanger is connected to the rear end of the bag-type dust collector；Vapour
Packet, the drum are connected with the second heat exchanger and waste heat boiler respectively；Mixer is connected to the drum and changes with described first
Between hot device.
Preferably, the First Heat Exchanger is equipped at least one periodic off-gases entrance, is connected by pipeline with periodic off-gases source.
Preferably, the mixer is equipped at least one pure oxygen inlet, is connected by pipeline with pure oxygen source.
Preferably, second heat exchanger enters desalination water inlet equipped at least one.
Preferably, the bag-type dust collector at least two, is connected to the waste heat boiler and institute in parallel
It states between the second heat exchanger.
Further, above-mentioned raw gas purifying and waste heat recycling system further include flyash collector, the fine coal
Grey collector is connected with gasification furnace and bag-type dust collector respectively.
According to the second aspect of the invention, provide it is a kind of using above system to raw gas carry out purification and waste heat recycle benefit
Method, steps are as follows:
(1) raw gas that gasification furnace generates enters in First Heat Exchanger through the first coal gas flue, with periodic off-gases, H2O/O2
Mixed gas recycles the waste heat in raw gas, periodic off-gases, H after heating up2O/O2Mixed gas, which enters, participates in gas in gasification furnace
Change reaction；
(2) raw gas is after First Heat Exchanger exchanges heat, and the temperature in the exit of First Heat Exchanger is 700-900 DEG C, so
After enter and further recycle waste heat in waste heat boiler, low-pressure steam is generated in waste heat boiler and is carried out in mixer with pure oxygen
Mixing, enters back into First Heat Exchanger and is preheated；
(3) temperature of the raw gas at heat boiler outlet is 200-240 DEG C, into bag-type dust collector dedusting, is collected
The fine ash that bag-type dust collector generates；
(4) coal gas after bag-type dust enters in the second heat exchanger, using the waste heat in desalted water gas recovery, rises
Desalted water after temperature enters in waste heat boiler, to generate low-pressure steam；Purified coal gas is discharged by the second heat exchanger,
Its temperature is 30-40 DEG C, and dustiness is not higher than 5mg/Nm3。
Further, the fine ash bag-type dust collector collected in step (3) generated, together with being produced after gasifying in gasification furnace
Raw flyash is collected using flyash collector, as the raw material for producing raw gas, using coal gas as medium, using gas
The mode of power conveying is delivered in gasification furnace.Since flyash itself is remnants of the fine coal after subparticipation gasification reaction
Object, flyash volatility is low, carbon content is low, and in this state, when adulterating gasification with fine coal, flyash is unable to fully participate in anti-
It answers, more flyash still can keep unvaporized state to take out of by coal gas, therefore not only result in the recovery utilization rate of flyash
It is low, and lead to the additional energy source consumption during flyash recycling；Therefore, the present invention is used using flyash as gasification
The primary raw material of furnace gas producing synthesis gas is not doped gasification with fine coal；In addition, conveyed using (thick) coal gas, it can be with
Guarantee sufficiently to participate in gasification reaction in the state that flyash volatility is low, carbon content is low.
Further, the periodic off-gases after heating, H2O/O2When mixed gas carries out gasification reaction in gasification furnace, periodic off-gases
It is not involved in reaction in the lower part of gasification furnace, when the upper temp of gasification furnace reaches 1350-1400 DEG C, periodic off-gases utilize raw gas
Methane reforming reaction occurs for waste heat.
Periodic off-gases occur methane reforming reaction include:
CH4+CO2=2CO+2H2△ H=24713kJ/mol；
CH4+H2O=CO+3H2△ H=20613kJ/mol；
CH4+1/2O2=CO+2H2△ H=-3516kJ/mol.
Further, after gasification reaction, the deslagging by the way of slag tap.
Further, by adjusting the H of gasification furnace inlet2O/O2Than, O2/ coal ash is than controlling the burning in gasification furnace
Reaction temperature；By adjusting periodic off-gases/coal ash than come the temperature that controls gasification furnace exit raw gas, make the temperature of raw gas >=
1050℃。
Beneficial effects of the present invention:
(1) present invention carries out purifying and dedusting to raw gas using bag-type dust collector, by exchanging heat twice before dedusting
It utilizes, reduces the temperature of the raw gas of bag filter inlet, efficiency of dust collection is made to be greatly improved, dust removal process does not produce
Raw waste water；And the low level waste heat in the coal gas after dedusting, pole can be further recycled using desalted water in later process
The big waste for reducing the energy, the heat recovery of raw gas reach as high as 99% or more.
(2) coal gas after system purification of the invention can make the dustiness in coal gas not higher than 5mg/Nm3, dedusting
Effect stability.
(3) system of the invention can also make full use of the periodic off-gases in production process, and utilize high carbon residue
Heat in flyash carries out non-catalytic conversion reaction.
Detailed description of the invention
Fig. 1: raw gas purifying and waste heat recycling system structural schematic diagram of the invention.
Wherein, the first coal gas flue of 1-, 2- First Heat Exchanger, the second coal gas flue of 3-, 4- waste heat boiler, 5- third coal gas
Flue, 6- bag-type dust collector, the second heat exchanger of 7-, 8- drum, 9- mixer, 10- gasification furnace, 11- flyash collector,
12- gasifying furnace nozzle I, 13- gasifying furnace nozzle II.
Specific embodiment
The present invention is further illustrated in conjunction with the embodiments, it should which explanation, following the description is merely to explain this
Invention, is not defined its content.
Embodiment 1: raw gas purifying and waste heat recycling system
Raw gas purifying and waste heat recycling system of the invention, structure is as shown in Figure 1, include the first coal gas flue
1, it is connected to the exit of gasification furnace 10；First Heat Exchanger 2 is connected to the rear end of first coal gas flue 1；Waste heat pot
Furnace 4 is connected by the second coal gas flue 3 with the outlet end of the First Heat Exchanger 2；Bag-type dust collector 6, passes through third
Coal gas flue 5 is connected with the outlet end of the waste heat boiler 4；Second heat exchanger 7 is connected to the bag-type dust collector 6
Rear end；Drum 8, the drum 8 are connected with the second heat exchanger 7 and waste heat boiler 4 respectively；Mixer 9 is connected to the drum
Between 8 and the First Heat Exchanger 2.
Wherein, First Heat Exchanger 2 is equipped with a periodic off-gases entrance, is connected by pipeline with periodic off-gases source.The mixing
Device 9 is equipped with a pure oxygen inlet, is connected by pipeline with pure oxygen source.Second heat exchanger 7 is equipped with one and enters desalted water
Entrance.The bag-type dust collector 6 is two, is connected to the waste heat boiler 4 and second heat exchanger 7 in parallel
Between.
Bag filter 6 generate fine ash be fed through in flyash collector 11, the flyash collector 11 also with
Gasification furnace 10 is connected.
Embodiment 2: the method for carrying out raw gas purifying and heat recovery using the system of embodiment 1
Using the system of embodiment 1 to raw gas purifying and heat recovery, the specific steps of which are as follows:
First by gasification furnace generate raw gas entered in First Heat Exchanger 2 through the first coal gas flue 1, with periodic off-gases,
H2O/O2Mixed gas recycles the waste heat in raw gas, periodic off-gases, H after heating up2O/O2Mixed gas enters gasification furnace 10
Middle participation gasification reaction；By adjusting the inlet (gasifying furnace nozzle I 12 and gasifying furnace nozzle II 13) of gasification furnace 10
H2O/O2Than, O2/ coal ash is than controlling the combustion reaction temperature in gasification furnace 10；Gas is controlled by adjusting periodic off-gases/coal ash ratio
The temperature for changing 10 exit raw gas of furnace, makes temperature >=1050 DEG C of raw gas；When carrying out gasification reaction, periodic off-gases are in gasification furnace
10 lower part is not involved in reaction, and when the upper temp of gasification furnace 10 reaches 1350-1400 DEG C, periodic off-gases utilize raw gas waste heat
Methane reforming reaction occurs.
Raw gas is after the heat exchange of First Heat Exchanger 2, and the temperature in the exit of First Heat Exchanger 2 is 700-900 DEG C, then
Enter in waste heat boiler 4 and further recycle waste heat, in waste heat boiler 4 generate low-pressure steam in mixer 9 and pure oxygen into
Row mixing, enters back into First Heat Exchanger 2 and is preheated；
Temperature of the raw gas in 4 exit of waste heat boiler is 200-240 DEG C, into 6 dedusting of bag-type dust collector, collects cloth
The fine ash that bag dust-extraction unit 6 generates；The fine ash that the bag filter 6 of collection generates is sent into flyash collector 11, together with
The flyash generated after gasification reaction in gasification furnace 11 is as the raw material for producing raw gas, using coal gas as medium, using pneumatic transporting
The mode sent is delivered in gasification furnace, is carried out gasification reaction, is carried out deslagging by the way of slag tap after gasification reaction.
Coal gas after bag-type dust enters in the second heat exchanger 7, utilizes the waste heat in desalted water gas recovery, heating
Desalted water afterwards enters in waste heat boiler 4, to generate low-pressure steam；Purified coal gas is discharged by the second heat exchanger 7,
Its temperature is 30-40 DEG C, and dustiness is not higher than 5mg/Nm3。
Application examples:
It, can be secondary using original residual neat recovering system by taking a production capacity is 40000 coal-producing gasification furnaces for marking vertical/hour as an example
23.5 ton/hours of steam of 1.3MPaG are produced, and generate about 710 ton/hours of trade effluent, and have a large amount of solid waste.
It, can be with the steam 28.6 of by-product 1.3MPaG after residual neat recovering system is redesigned according to the process of Fig. 1
Ton/hour, the gas temperature being discharged after purified is 30 DEG C, and dustiness is not higher than 5mg/Nm3, the recycling of raw gas waste heat
Rate is up to 99.5%.
Entire dust separation process does not generate waste water, is all discharged, is not generated in the form of liquid slag after flyash gasification
Other solid waste.
Claims (3)
1. a kind of raw gas purifying and waste heat recycling system, which is characterized in that the system includes:
First coal gas flue is connected to the exit of gasification furnace；
First Heat Exchanger is connected to the rear end of first coal gas flue；
Waste heat boiler is connected by the second coal gas flue with the outlet end of the First Heat Exchanger；
Bag-type dust collector is connected by third coal gas flue with the outlet end of the waste heat boiler；
Second heat exchanger is connected to the rear end of the bag-type dust collector；
Drum, the drum are connected with the second heat exchanger and waste heat boiler respectively；
Mixer is connected between the drum and the First Heat Exchanger；
The First Heat Exchanger is equipped at least one periodic off-gases entrance, is connected by pipeline with periodic off-gases source；
The bag-type dust collector at least two is connected to the waste heat boiler and second heat exchanger in parallel
Between；
Second heat exchanger is equipped at least one desalination water inlet；
The mixer is equipped at least one pure oxygen inlet, is connected by pipeline with pure oxygen source；
It further include flyash collector, the flyash collector is connected with gasification furnace and bag-type dust collector respectively；
Periodic off-gases, H after heating up2O/O2Mixed gas, which enters, participates in gasification reaction in gasification furnace.
2. the method for carrying out raw gas purifying and heat recovery using system described in claim 1, which is characterized in that step
It is as follows:
(1) raw gas that gasification furnace generates enters in First Heat Exchanger through the first coal gas flue, with periodic off-gases, H2O/O2Mixing
Gas recycles the waste heat in raw gas, periodic off-gases, H after heating up2O/O2Mixed gas, which enters, participates in gasified reverse in gasification furnace
It answers；
(2) raw gas is after First Heat Exchanger exchanges heat, and the temperature in the exit of First Heat Exchanger is 700-900 DEG C, then into
Enter and further recycle waste heat into waste heat boiler, low-pressure steam is generated in waste heat boiler and is mixed in mixer with pure oxygen
It closes, enters back into First Heat Exchanger and preheated；
(3) temperature of the raw gas at heat boiler outlet is 200-240 DEG C, into bag-type dust collector dedusting, collects cloth bag
The fine ash that dust-extraction unit generates；
(4) coal gas after bag-type dust enters in the second heat exchanger, using the waste heat in desalted water gas recovery, after heating
Desalted water enter in waste heat boiler, to generate low-pressure steam；Purified coal gas is discharged by the second heat exchanger, temperature
Degree is 30-40 DEG C, and dustiness is not higher than 5mg/Nm3；
Periodic off-gases, H after heating2O/O2When mixed gas carries out gasification reaction in gasification furnace, periodic off-gases are in the lower part of gasification furnace
It is not involved in reaction, when the upper temp of gasification furnace reaches 1350-1400 DEG C, using raw gas waste heat methane weight occurs for periodic off-gases
Whole reaction；
The fine ash that the bag-type dust collector collected in step (3) is generated is adopted together with the flyash generated after gasifying in gasification furnace
It is collected with flyash collector, it is defeated by the way of pneumatic conveying using coal gas as medium as the raw material for producing raw gas
It send into gasification furnace.
3. method according to claim 2, which is characterized in that after gasification reaction, the deslagging by the way of slag tap.
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| CN107434984B (en) * | 2017-08-08 | 2023-09-29 | 北京航天迈未科技有限公司 | Fuel gas preparation method and fuel gas preparation device |
| CN107828447A (en) * | 2017-11-08 | 2018-03-23 | 中科合肥煤气化技术有限公司 | A kind of high temperature heating gas waste heat recovery refrigerating plant |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10290912A (en) * | 1997-04-18 | 1998-11-04 | Babcock Hitachi Kk | Coal gasification combined power generator and its operation |
| CN1428403A (en) * | 2001-12-27 | 2003-07-09 | 中国科学院山西煤炭化学研究所 | Method for making synthetic gas by using fluidized bed coal and methane rich fuel gas co-gasification |
| CN201179403Y (en) * | 2007-08-06 | 2009-01-14 | 山东省冶金设计院有限责任公司 | Heat recovering device and dust removing system with the heat recovering device |
| CN101691624A (en) * | 2009-09-21 | 2010-04-07 | 无锡市东方环境工程设计研究所有限公司 | Purifying and recovering process of absolute dry bag-type converter gas negative energy |
| CN103184077A (en) * | 2013-03-21 | 2013-07-03 | 浙江工业大学化工设备有限公司 | Fine coal gasification method with fly ash compulsory recycling system |
-
2016
- 2016-03-14 CN CN201610144325.6A patent/CN105779020B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10290912A (en) * | 1997-04-18 | 1998-11-04 | Babcock Hitachi Kk | Coal gasification combined power generator and its operation |
| CN1428403A (en) * | 2001-12-27 | 2003-07-09 | 中国科学院山西煤炭化学研究所 | Method for making synthetic gas by using fluidized bed coal and methane rich fuel gas co-gasification |
| CN201179403Y (en) * | 2007-08-06 | 2009-01-14 | 山东省冶金设计院有限责任公司 | Heat recovering device and dust removing system with the heat recovering device |
| CN101691624A (en) * | 2009-09-21 | 2010-04-07 | 无锡市东方环境工程设计研究所有限公司 | Purifying and recovering process of absolute dry bag-type converter gas negative energy |
| CN103184077A (en) * | 2013-03-21 | 2013-07-03 | 浙江工业大学化工设备有限公司 | Fine coal gasification method with fly ash compulsory recycling system |
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