CN103234213B - A kind of method of oxygen-enriched combusting Btu utilization and device - Google Patents
A kind of method of oxygen-enriched combusting Btu utilization and device Download PDFInfo
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- CN103234213B CN103234213B CN201310154024.8A CN201310154024A CN103234213B CN 103234213 B CN103234213 B CN 103234213B CN 201310154024 A CN201310154024 A CN 201310154024A CN 103234213 B CN103234213 B CN 103234213B
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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Abstract
The present invention discloses a kind of method and device of oxygen-enriched combusting Btu utilization, and the method comprises the following steps: steps A: boiler (1) exiting flue gas is split into Part I flue gas, Part II flue gas and Part III flue gas; Part I flue gas carries out preheating to the oxygen sending into boiler (1), and Part II flue gas heats the circulating flue gas sending into boiler (1), and Part III flue gas heats feedwater; Step B: Part I flue gas, Part II flue gas and Part III flue gas mix after heat exchange sends into flue gas condenser (18), drying is divided into two parts after being condensed to normal temperature, a part sends into circulating flue gas preheater (3) as circulating flue gas, and a part sends into flue gas compressor (11).This invention can significantly improve the generating efficiency in oxygen-enriched combusting power station, reduces coal fired power plant CO
2the cost of trapping.
Description
Technical field
The present invention relates to a kind of oxygen-enriched combusting Btu utilization method, belong to energy technology and green technology crossing domain.In addition, the invention still further relates to the device implementing said method.
Background technology
A large amount of greenhouse gases CO of combustion of fossil fuel discharge
2showing great attention to of the whole world has been caused to the harm that environment causes.At numerous CO
2in the middle of separation and collection technology, oxygen-enriched combustion technology novel low-cost separation can reclaim CO as a kind of
2and the combustion system of the lower brand new ideas of pollutant emission, cause the attention of various countries researcher.
Owing to adding air separation subsystem and gas cleaning compression subsystem, unit generation efficiency comparatively conventional power unit reduces by 8% ~ 12%, constrains oxygen-enriched combustion technology commercial applications.Oxygen-enriched combustion system is comparatively complicated, there is larger optimization space.Especially produce a large amount of low-grade used heat in oxygen subsystem and gas cleaning compression subsystem, make full use of this part waste heat boiler low pressure feed water, can bleeder steam be reduced, improve steam turbine acting amount.Meanwhile, adopt flue gas feedwater, effectively can control exhaust gas temperature, realize the utilization of heat recovery, effectively improve unit generation efficiency.
Summary of the invention
Technical problem: the object of the invention is a kind of open oxygen-enriched combusting unit Btu utilization method, the method can significantly improve heat integration utilization ratio.
Technical scheme: for solving the problems of the technologies described above, the present invention discloses a kind of method of oxygen-enriched combusting Btu utilization, and the method comprises the following steps:
Steps A: boiler export flue gas shunting is become Part I flue gas, Part II flue gas and Part III flue gas; Described Part I flue gas carries out preheating to the oxygen sending into boiler, and described Part II flue gas heats the circulating flue gas sending into boiler, and described Part III flue gas heats feedwater;
Step B: Part I flue gas, Part II flue gas and Part III flue gas mix after heat exchange sends into flue gas condenser, and drying is divided into two parts after being condensed to normal temperature, and a part sends into circulating flue gas preheater as circulating flue gas, and a part sends into flue gas compressor;
Step C: air is after air compressor compression, and send into oxygen generation system after the cooling of compressed air low-pressure feed-water heater, the oxygen that oxygen generation system produces sends into oxygen preheat device;
Step D: the compressed air that air compressor produces and the compression flue gas that flue gas compressor produces heat boiler low pressure feed water.
Preferably, also comprise the oxygen actual temperature after by preheating in steps A and compare with predetermined temperature, if lower than predetermined temperature, then increase Part I exhaust gas volumn; If higher than predetermined temperature, then reduce Part I exhaust gas volumn;
Circulating flue gas actual temperature after preheating is compared with predetermined temperature, if lower than predetermined temperature, then increases Part II exhaust gas volumn; If higher than predetermined temperature, then reduce Part II exhaust gas volumn.
Preferably, in described steps A, Part I flue gas accounts for 40% ~ 50% of whole flue gas, and Part II flue gas accounts for 30% ~ 40% of whole flue gas.
Present invention also offers a kind of device of oxygen-enriched combusting Btu utilization, this device comprises boiler, oxygen preheat device, circulating flue gas preheater, flue gas feed-water heater, compressed air low-pressure feed-water heater, compression flue gas low-pressure feed heater, air compressor, flue gas compressor, oxygen generation system and gas cleaning compressibility;
Boiler comprises the first smoke outlet, the second smoke outlet and the 3rd smoke outlet, and the first smoke outlet is connected with oxygen preheat device gas approach end; Second smoke outlet is connected with the gas approach end of circulating flue gas preheater, and the 3rd smoke outlet is connected with flue gas feed-water heater gas approach end; The smoke outlet of the smoke outlet of oxygen preheat device, the smoke outlet of circulating flue gas preheater, flue gas low-pressure feed heater is connected with the gas approach end of flue gas condenser respectively;
Air compressor air outlet slit end is connected with compressed air low-pressure feed-water heater compressed air inlet end, the air outlet slit end of compressed air low-pressure feed-water heater is connected with the air intlet end of oxygen generation system, and the oxygen outlet end of oxygen generation system is connected with the oxygen inlet end of oxygen preheat device;
Flue gas compressor smoke outlet compresses gas approach end with compression flue gas low-pressure feed heater and is connected; Compression flue gas low-pressure feed heater compression smoke outlet is connected with the gas approach end of gas cleaning compressibility.
Preferably, described flue gas feed-water heater comprises flue gas high-pressure feed-water heater and flue gas low-pressure feed heater, the gas approach end of described high-pressure feed-water heater is connected with the Part III smoke outlet of described boiler, the smoke outlet of described flue gas high-pressure feed-water heater is connected with the gas approach end of described flue gas low-pressure feed heater, and the smoke outlet of low-pressure feed heater is connected with the gas approach end of flue gas condenser.
Preferably, the feed-water inlet end of described flue gas high-pressure feed-water heater is connected with the first water pump for extracting Boiler High Pressure feedwater, and flue gas high-pressure feed-water heater arranges the pump-out that first flow controller controls water pump; The feed-water inlet end of described flue gas low-pressure feed heater is connected with the second water pump for extracting boiler low pressure feed water, and flue gas low-pressure feed heater arranges the pump-out that second amount controller controls water pump; Described compressed air low-pressure feed-water heater feed-water inlet end is connected with the 3rd water pump for extracting boiler low pressure feed water, and compressed air low-pressure feed-water heater arranges the pump-out that flow controller controls water pump; Described compression flue gas low-pressure feed heater feed-water inlet end is connected with the 4th water pump for extracting boiler low pressure feed water, and compression flue gas low-pressure feed heater arranges the pump-out that flow controller controls water pump.
Beneficial effect: after the present invention adopts technique scheme, beneficial effect is: the used heat 1) recycling oxygen generation system and gas cleaning compressibility, reduces low pressure heat regenerative system steam and bleeds, increase steam turbine acting; 2) fully utilize flue gas afterbody waste heat, reduce exhaust gas temperature, improve oxygen-enriched combusting heating efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of oxygen-enriched combusting Btu utilization.
Wherein, boiler 1; Oxygen preheat device 2; Circulating flue gas preheater 3; Low-pressure feed heater 4; High-pressure feed-water heater 5; High-pressure extraction device 6; Low-pressure regenerator 7; Air compressor 8; Compressed air low-pressure feed-water heater 9; Oxygen generation system (10); Flue gas compressor 11; Compression flue gas low-pressure feed heater 11; Gas cleaning compressibility 13; First water pump 14; Second water pump 15; 3rd water pump 16; 4th water pump 17.
Detailed description of the invention
Below in conjunction with accompanying drawing and embodiment, the present invention will be further described.
The present invention relates to a kind of oxygen-enriched combusting Btu utilization method, the method can significantly improve the generating efficiency in oxygen-enriched combusting power station, reduces coal fired power plant CO
2the cost of trapping.Another core of the present invention is to provide a kind of device implementing said method.Structure as shown in Figure 1.
The method of oxygen-enriched combusting Btu utilization provided by the invention:
The flue gas of discharging in boiler is shunted, forms Part I flue gas, Part II flue gas and Part III flue gas.
Utilize described Part I flue gas to carry out preheating to the oxygen sending into burner hearth 1, described Part II flue gas carries out preheating to the circulating flue gas sending into burner hearth 1, and the heat of described Part III flue gas is used for heating boiler feed water.
The actual temperature of the oxygen sending into burner hearth 1 is compared with predetermined temperature.
If actual temperature is obviously greater than predetermined temperature, then reduce the exhaust gas volumn of Part I; If be less than predetermined temperature, then increase the exhaust gas volumn of Part I.
The actual temperature of the circulating flue gas sending into burner hearth 1 is compared with predetermined temperature.
If actual temperature is obviously greater than predetermined temperature, then reduce the exhaust gas volumn of Part II; If be less than predetermined temperature, then increase the exhaust gas volumn of Part II.
The amount of Part I flue gas, Part II flue gas and Part III flue gas can be carried out tune according to the purposes of flue gas and be increased, generally, the amount of Part I flue gas accounts for 40% ~ 50% of whole exhaust gas volumn, and the exhaust gas volumn of Part II accounts for 30% ~ 40% of whole exhaust gas volumn.
Part I flue gas, Part II flue gas and Part III flue gas mix after heat exchange sends into flue gas condenser 18, drying is divided into two parts after being condensed to normal temperature, a part sends into circulating flue gas preheater 3 as circulating flue gas, and a part sends into flue gas compressor 11.
Air sends into oxygen generation system 10 after sending into air compressor compression 8 after compressed air low-pressure feed-water heater 9 cools, and the oxygen that oxygen generation system 10 produces sends into oxygen preheat device 2, and other gases that oxygen generation system 10 produces do not deal with;
The compressed air that air compressor 8 produces and the compression flue gas that flue gas compressor 11 produces heat boiler low pressure feed water.
Described compressed air low-pressure feed-water heater 9 is exported actual water temperature compare with predetermined temperature, if lower than predetermined temperature, then reduce described 3rd water pump 16 pump-out; If higher than predetermined temperature, then increase described 3rd water pump 16 pump-out.
Described compression flue gas low-pressure feed heater 12 is exported actual water temperature compare with predetermined temperature, if lower than predetermined temperature, then reduce described 4th water pump 17 pump-out; If higher than predetermined temperature, then increase described 4th water pump 17 pump-out.
Present invention also offers a kind of device of oxygen-enriched combusting Btu utilization, this device comprises boiler 1, oxygen preheat device 2, circulating flue gas preheater 3, flue gas feed-water heater, compressed air low-pressure feed-water heater 9, compression flue gas low-pressure feed heater 12, air compressor 8, flue gas compressor 11, oxygen generation system 10 and gas cleaning compressibility 13;
Boiler 1 comprises the first smoke outlet, the second smoke outlet and the 3rd smoke outlet, and the first smoke outlet is connected with oxygen preheat device 2 gas approach end; Second smoke outlet is connected with the gas approach end of circulating flue gas preheater 3, and the 3rd smoke outlet is connected with flue gas feed-water heater gas approach end; The smoke outlet of the smoke outlet of oxygen preheat device 2, the smoke outlet of circulating flue gas preheater 3, flue gas low-pressure feed heater is connected with the gas approach end of flue gas condenser 18 respectively;
Air compressor 8 air outlet slit end is connected with compressed air low-pressure feed-water heater 9 compressed air inlet end, the air outlet slit end of compressed air low-pressure feed-water heater 9 is connected with the air intlet end of oxygen generation system 10, and the oxygen outlet end of oxygen generation system 10 is connected with the oxygen inlet end of oxygen preheat device 2;
Flue gas compressor 11 smoke outlet compresses gas approach end with compression flue gas low-pressure feed heater 12 and is connected; Compression flue gas low-pressure feed heater 12 compresses smoke outlet and is connected with the gas approach end of gas cleaning compressibility (13).
Described flue gas feed-water heater comprises high-pressure feed-water heater and low-pressure feed heater, the gas approach end of described high-pressure feed-water heater is connected with the Part III smoke outlet of described boiler 1, the smoke outlet of described flue gas high-pressure feed-water heater is connected with the gas approach end of described flue gas low-pressure feed heater, and the smoke outlet of low-pressure feed heater is connected with the gas approach end of flue gas condenser 18.
The feed-water inlet end of described flue gas high-pressure feed-water heater is connected with the first water pump 14 for extracting Boiler High Pressure feedwater, and flue gas high-pressure feed-water heater arranges the pump-out that first flow controller controls water pump; The feed-water inlet end of described flue gas low-pressure feed heater is connected with the second water pump 15 for extracting boiler low pressure feed water, and flue gas low-pressure feed heater arranges the pump-out that second amount controller controls water pump; Described compressed air low-pressure feed-water heater 9 feed-water inlet end is connected with the 3rd water pump 16 for extracting boiler low pressure feed water, and compressed air low-pressure feed-water heater 9 arranges the pump-out that flow controller controls water pump; Described compression flue gas low-pressure feed heater 12 feed-water inlet end is connected with the 4th water pump 17 for extracting boiler low pressure feed water, and compression flue gas low-pressure feed heater 12 arranges the pump-out that flow controller controls water pump.
Above-mentioned flue gas feed-water heater can comprise the flue gas high-pressure feed-water heater and flue gas low-pressure feed heater that are connected successively, the gas approach end of flue gas high-pressure feed-water heater is connected with described Part III smoke outlet, flue gas high-pressure feed-water heater smoke outlet is connected with flue gas low-pressure feed heater smoke outlet, first Part III flue gas enters flue gas high-pressure feed-water heater 4 pairs of high-pressure feed waters and heats, and then enter flue gas low-pressure feed heater 5 pairs of low pressure feed waters and heat, achieve the cascade utilization of energy, reduce bleeder steam amount.
The air intlet end of described compressed air low-pressure feed-water heater 9 is connected with air compressor 8 air outlet slit end; The gas approach end of described compression flue gas low-pressure feed heater 12 is connected with flue gas compressor 11 smoke outlet
When flue gas feed-water heater pressure-drop in pipeline is higher, for realizing the flowing of feeding water between flue gas feed-water heater and steam turbine smoothly, can the first water pump 14 be set between flue gas high-pressure feed-water heater and steam turbine, first water pump 14 is for extracting high-pressure feed water, after the heating that high-pressure feed-water heater completes high-pressure feed water, the feedwater of this partial high pressure mixes with the feedwater that high-pressure extraction device heats, and carries out follow-up heating.
In like manner, the second water pump 15 can be set between low-pressure feed heater and the pipeline of steam turbine, for extracting the low pressure feed water of steam turbine; 3rd water pump 16 is set between compressed air low-pressure feed-water heater 9 and steam turbine, for extracting the low pressure feed water of steam turbine; Between compression flue gas low-pressure feed heater 12 and steam turbine, the 4th water pump 17 is set, for extracting the low pressure feed water of steam turbine.
If feedwater can enter feed-water heater naturally, the first water pump 14, second water pump 15, the 3rd water pump 16 and the 4th water pump 17 can be omitted.
This invention can significantly improve the generating efficiency in oxygen-enriched combusting power station, reduces coal fired power plant CO
2the cost of trapping.The heat of the compression flue gas of the flue gas heat of boiler, the compressed air heat of oxygen piece-rate system and gas cleaning compressibility is fully utilized, achieve the cascade utilization of oxygen-enriched combustion system internal energy, improve the generating efficiency of unit on the whole.
Above the method for oxygen-enriched combusting Btu utilization provided by the present invention and device are described in detail.Apply specific case herein to set forth principle of the present invention and embodiment, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also enjoy some improvement and modification to the present invention, these improve and modify and also fall in the protection domain of the claims in the present invention.
Claims (4)
1. a method for oxygen-enriched combusting Btu utilization, is characterized in that, the method comprises the following steps:
Steps A: boiler (1) exiting flue gas is split into Part I flue gas, Part II flue gas and Part III flue gas; Described Part I flue gas carries out preheating to the oxygen sending into boiler (1), and described Part II flue gas heats the circulating flue gas sending into boiler (1), and described Part III flue gas heats feedwater;
Step B: Part I flue gas, Part II flue gas and Part III flue gas mix after heat exchange sends into flue gas condenser (18), drying is divided into two parts after being condensed to normal temperature, a part sends into circulating flue gas preheater (3) as circulating flue gas, and a part sends into flue gas compressor (11);
Step C: air is after air compressor (8) compression, after compressed air low-pressure feed-water heater (9) cooling, send into oxygen generation system (10), the oxygen that oxygen generation system (10) produces sends into oxygen preheat device (2);
Step D: the compressed air that air compressor (8) produces and the compression flue gas that flue gas compressor (11) produces heat boiler low pressure feed water;
Wherein:
Also comprise the oxygen actual temperature after by preheating in steps A to compare with predetermined temperature, if lower than predetermined temperature, then increase Part I exhaust gas volumn; If higher than predetermined temperature, then reduce Part I exhaust gas volumn;
Circulating flue gas actual temperature after preheating is compared with predetermined temperature, if lower than predetermined temperature, then increases Part II exhaust gas volumn; If higher than predetermined temperature, then reduce Part II exhaust gas volumn;
In described steps A, Part I flue gas accounts for 40% ~ 50% of whole flue gas, and Part II flue gas accounts for 30% ~ 40% of whole flue gas.
2. the device of an oxygen-enriched combusting Btu utilization, it is characterized in that, this device comprises boiler (1), oxygen preheat device (2), circulating flue gas preheater (3), flue gas feed-water heater, compressed air low-pressure feed-water heater (9), compression flue gas low-pressure feed heater (12), air compressor (8), flue gas compressor (11), oxygen generation system (10) and gas cleaning compressibility (13);
Boiler (1) comprises the first smoke outlet, the second smoke outlet and the 3rd smoke outlet, and the first smoke outlet is connected with oxygen preheat device (2) gas approach end; Second smoke outlet is connected with the gas approach end of circulating flue gas preheater (3), and the 3rd smoke outlet is connected with flue gas feed-water heater gas approach end; The smoke outlet of the smoke outlet of oxygen preheat device (2), the smoke outlet of circulating flue gas preheater (3), flue gas low-pressure feed heater (5) is connected with the gas approach end of flue gas condenser (18) respectively;
Air compressor (8) air outlet slit end is connected with compressed air low-pressure feed-water heater (9) compressed air inlet end, the air outlet slit end of compressed air low-pressure feed-water heater (9) is connected with the air intlet end of oxygen generation system (10), and the oxygen outlet end of oxygen generation system (10) is connected with the oxygen inlet end of oxygen preheat device (2);
Flue gas compressor (11) smoke outlet compresses gas approach end with compression flue gas low-pressure feed heater (12) and is connected; Compression flue gas low-pressure feed heater (12) compression smoke outlet is connected with the gas approach end of gas cleaning compressibility (13).
3. the device of oxygen-enriched combusting Btu utilization as claimed in claim 2, it is characterized in that, described flue gas feed-water heater comprises flue gas high-pressure feed-water heater (4) and low-pressure feed heater (5), the gas approach end of described flue gas high-pressure feed-water heater (5) is connected with the Part III smoke outlet of described boiler (1), the smoke outlet of described flue gas high-pressure feed-water heater (5) is connected with the gas approach end of described flue gas low-pressure feed heater (4), the smoke outlet of flue gas low-pressure feed heater (4) is connected with the gas approach end of flue gas condenser (18).
4. the device of oxygen-enriched combusting Btu utilization as claimed in claim 3, it is characterized in that, the feed-water inlet end of described flue gas high-pressure feed-water heater (4) is connected with the first water pump (14) for extracting Boiler High Pressure feedwater, and flue gas high-pressure feed-water heater (4) arranges the pump-out that first flow controller controls water pump; The feed-water inlet end of described flue gas low-pressure feed heater (5) is connected with the second water pump (15) for extracting boiler low pressure feed water, and flue gas low-pressure feed heater (5) arranges the pump-out that second amount controller controls water pump; Described compressed air low-pressure feed-water heater (9) feed-water inlet end is connected with the 3rd water pump (16) for extracting boiler low pressure feed water, and compressed air low-pressure feed-water heater (9) arranges the pump-out that flow controller controls water pump; Described compression flue gas low-pressure feed heater (12) feed-water inlet end is connected with the 4th water pump (17) for extracting boiler low pressure feed water, and compression flue gas low-pressure feed heater (12) arranges the pump-out that flow controller controls water pump.
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| CN201310154024.8A CN103234213B (en) | 2013-04-27 | 2013-04-27 | A kind of method of oxygen-enriched combusting Btu utilization and device |
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| CN103234213B true CN103234213B (en) | 2015-10-14 |
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| CN103496672B (en) * | 2013-09-30 | 2015-04-29 | 南京理工大学 | Device and process for preparing O2-CO2 mixed gas based on chemical-looping technology |
| CN103776026B (en) * | 2014-01-24 | 2016-04-13 | 东南大学 | A kind of device and method utilizing fume afterheat to reduce high-temperature corrosion of power station boiler |
| CN109107211B (en) * | 2018-08-30 | 2021-03-23 | 东南大学 | Device and method for compressing air and flue gas and recovering waste heat in oxygen-enriched combustion system |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0676587A1 (en) * | 1994-04-11 | 1995-10-11 | Combustion Engineering, Inc. | Method for optimizing the operating efficiency of a fossil fuel-fired power generation system |
| CN101336351A (en) * | 2005-11-28 | 2008-12-31 | 电源开发株式会社 | Combustion control method and device of oxygen combustion boiler |
| CN101408308A (en) * | 2008-11-24 | 2009-04-15 | 宁波怡诺能源科技有限公司 | Coal-burning boiler |
| CN102209873A (en) * | 2008-11-10 | 2011-10-05 | 乔治洛德方法研究和开发液化空气有限公司 | Integrated air-separating and water-heating apparatus intended for a boiler |
| CN102330967A (en) * | 2011-10-24 | 2012-01-25 | 中国电力工程顾问集团华东电力设计院 | Flue gas energy cascade utilization system |
| CN102705864A (en) * | 2012-06-15 | 2012-10-03 | 黄绍新 | Method and device for utilizing residual heat of smoke from boiler of fossil power plant |
| CN102705862A (en) * | 2012-06-15 | 2012-10-03 | 黄绍新 | Method and device for utilizing afterheat of flue gas of boiler of thermal power generating unit |
| CN203258668U (en) * | 2013-04-27 | 2013-10-30 | 东南大学 | Oxygen-enriched combustion heat utilizing device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5448858B2 (en) * | 2010-01-07 | 2014-03-19 | バブコック日立株式会社 | Oxy-combustion power plant and its operation method |
-
2013
- 2013-04-27 CN CN201310154024.8A patent/CN103234213B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0676587A1 (en) * | 1994-04-11 | 1995-10-11 | Combustion Engineering, Inc. | Method for optimizing the operating efficiency of a fossil fuel-fired power generation system |
| CN101336351A (en) * | 2005-11-28 | 2008-12-31 | 电源开发株式会社 | Combustion control method and device of oxygen combustion boiler |
| CN102209873A (en) * | 2008-11-10 | 2011-10-05 | 乔治洛德方法研究和开发液化空气有限公司 | Integrated air-separating and water-heating apparatus intended for a boiler |
| CN101408308A (en) * | 2008-11-24 | 2009-04-15 | 宁波怡诺能源科技有限公司 | Coal-burning boiler |
| CN102330967A (en) * | 2011-10-24 | 2012-01-25 | 中国电力工程顾问集团华东电力设计院 | Flue gas energy cascade utilization system |
| CN102705864A (en) * | 2012-06-15 | 2012-10-03 | 黄绍新 | Method and device for utilizing residual heat of smoke from boiler of fossil power plant |
| CN102705862A (en) * | 2012-06-15 | 2012-10-03 | 黄绍新 | Method and device for utilizing afterheat of flue gas of boiler of thermal power generating unit |
| CN203258668U (en) * | 2013-04-27 | 2013-10-30 | 东南大学 | Oxygen-enriched combustion heat utilizing device |
Non-Patent Citations (1)
| Title |
|---|
| Oxy-fuel combustion technology for coal-fired power generation;B.J.P. Buhre等;《PROGRESS IN ENERGY AND COMBUSTION SCIENCE》;ELSEVIER;20051027;第31卷(第4期);283-307 * |
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