KR100355309B1 - 산소분리장치의 잉여질소를 이용한 석탄가스화 복합발전시스템 - Google Patents
산소분리장치의 잉여질소를 이용한 석탄가스화 복합발전시스템 Download PDFInfo
- Publication number
- KR100355309B1 KR100355309B1 KR1019990046936A KR19990046936A KR100355309B1 KR 100355309 B1 KR100355309 B1 KR 100355309B1 KR 1019990046936 A KR1019990046936 A KR 1019990046936A KR 19990046936 A KR19990046936 A KR 19990046936A KR 100355309 B1 KR100355309 B1 KR 100355309B1
- Authority
- KR
- South Korea
- Prior art keywords
- gas turbine
- gas
- nitrogen
- air
- oxygen
- Prior art date
Links
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 128
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 62
- 238000000926 separation method Methods 0.000 title claims abstract description 28
- 238000002309 gasification Methods 0.000 title claims abstract description 21
- 230000010354 integration Effects 0.000 title 1
- 239000007789 gas Substances 0.000 claims abstract description 123
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 66
- 239000001301 oxygen Substances 0.000 claims abstract description 65
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 65
- 239000003245 coal Substances 0.000 claims abstract description 30
- 238000007906 compression Methods 0.000 claims abstract description 11
- 238000002156 mixing Methods 0.000 claims abstract description 9
- 238000010248 power generation Methods 0.000 claims abstract description 9
- 238000001816 cooling Methods 0.000 claims abstract description 7
- 239000000567 combustion gas Substances 0.000 claims abstract description 6
- 239000003034 coal gas Substances 0.000 claims description 13
- 238000000746 purification Methods 0.000 claims description 11
- 230000006835 compression Effects 0.000 claims description 7
- 238000009835 boiling Methods 0.000 claims description 6
- 239000002737 fuel gas Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 35
- 238000002485 combustion reaction Methods 0.000 abstract description 9
- 238000010586 diagram Methods 0.000 description 6
- 238000007796 conventional method Methods 0.000 description 4
- 239000000446 fuel Substances 0.000 description 4
- 239000007800 oxidant agent Substances 0.000 description 4
- 230000001590 oxidative effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 235000014653 Carica parviflora Nutrition 0.000 description 1
- 241000243321 Cnidaria Species 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000000112 cooling gas Substances 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C6/00—Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas-turbine plants for special use
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K21/00—Steam engine plants not otherwise provided for
- F01K21/04—Steam engine plants not otherwise provided for using mixtures of steam and gas; Plants generating or heating steam by bringing water or steam into direct contact with hot gas
- F01K21/047—Steam engine plants not otherwise provided for using mixtures of steam and gas; Plants generating or heating steam by bringing water or steam into direct contact with hot gas having at least one combustion gas turbine
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/12—Cooling of plants
- F02C7/16—Cooling of plants characterised by cooling medium
- F02C7/18—Cooling of plants characterised by cooling medium the medium being gaseous, e.g. air
-
- 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
- Y02E20/16—Combined cycle power plant [CCPP], or combined cycle gas turbine [CCGT]
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
Description
항 목 | Base case | Case 1 | Case 2 | Case 3 |
가스터빈 출력(MW)① | 187.2 | 251.6 | 194.2 | 238 |
질소압축기 동력② | 0 | 14.8 | 0 | 0 |
Net Power(①-②) | 187.2 | 236.8 | 194.2 | 238.0 |
Net Efficiency(%, 저위 발열량기준) | 38.7 | 40.4 | 39.0 | 40.5 |
가스터빈 연소온도(℃) | 1288 | 1288 | 1288 | 1288 |
가스터빈 출구온도(℃) | 602 | 598 | 600 | 599 |
압축비 | 15.5:1 | 15.5:1 | 15.5:1 | 15.5:1(LP+HP) |
연료발열량(석탄가스; 저위발열량, kCal/kg) | 2636 | 2636 | 2636 | 2636 |
Claims (1)
- 대기공기를 극저온으로 냉각하여 산소와 질소를 분리하는 산소분리장치와; 상기 산소분리장치로 부터 공급된 산소와 석탄을 이용하여 석탄가스를 생산하도록 하는 석탄가스화장치와; 상기 석탄가스를 정제하는 가스정제장치와; 가스터빈 압축기에 의해 압축된 압축공기와 상기 석탄가스를 혼합연소시켜 출력을 발생하는 가스터빈과; 상기 가스터빈으로 부터 나오는 배기가스의 현열을 이용하여 열을 회수하여 증기터빈을 구동하여 출력을 내는 석탄가스화 복합발전시스템에 있어서,대기공기(121)를 극저온으로 냉각하여 비등점의 차이로 산소와 질소를 분리하는 산소분리장치(120)와;대기공기(124)를 1차로 압축시키는 가스터빈 저압 압축기(130)와;상기 산소분리장치(120)로부터 나오는 저온의 잉여질소(123)와 가스터빈 저압압축기(130)의 출구에서 나오는 저압압축공기(131)을 상호 혼합하므로서 상기 저온의 잉여질소(123)에 의해 저압압축공기(131)의 온도가 냉각되도록 하여 부피를 최소화한 후 다시 고압으로 압축하는 가스터빈 고압 압축기(140)와;가스정제장치(110)로부터 나온 정제된 정제연료가스(111)와 고압 압축기(140)로부터 압축된 공기 및 질소를 이용하여 연소하는 가스터빈 연소기(150)와;가스터빈 연소기(150)로부터 나온 연소가스를 팽창시켜 출력을 발생시키는 가스터빈 팽창기(160)와;가스터빈 팽창기(160)로부터 나온 배기가스(161)의 현열을 이용하여 열을 회수하여 증기터빈을 구동하여 출력을 내도록 하는 것을 특징으로 하는 산소분리장치의 잉여질소를 이용한 석탄가스화 복합발전시스템.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019990046936A KR100355309B1 (ko) | 1999-10-27 | 1999-10-27 | 산소분리장치의 잉여질소를 이용한 석탄가스화 복합발전시스템 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019990046936A KR100355309B1 (ko) | 1999-10-27 | 1999-10-27 | 산소분리장치의 잉여질소를 이용한 석탄가스화 복합발전시스템 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20010038818A KR20010038818A (ko) | 2001-05-15 |
KR100355309B1 true KR100355309B1 (ko) | 2002-10-09 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1019990046936A KR100355309B1 (ko) | 1999-10-27 | 1999-10-27 | 산소분리장치의 잉여질소를 이용한 석탄가스화 복합발전시스템 |
Country Status (1)
Country | Link |
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KR (1) | KR100355309B1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20160067262A (ko) | 2014-12-03 | 2016-06-14 | 포스코에너지 주식회사 | 연소가스 냉각장치가 구비된 가스터빈 발전 시스템 |
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1999
- 1999-10-27 KR KR1019990046936A patent/KR100355309B1/ko active IP Right Grant
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Publication number | Publication date |
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KR20010038818A (ko) | 2001-05-15 |
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