KR100919290B1 - 탈질공정을 갖는 엔진 열병합발전소의 순환수 제어장치 - Google Patents
탈질공정을 갖는 엔진 열병합발전소의 순환수 제어장치Info
- Publication number
- KR100919290B1 KR100919290B1 KR1020070114988A KR20070114988A KR100919290B1 KR 100919290 B1 KR100919290 B1 KR 100919290B1 KR 1020070114988 A KR1020070114988 A KR 1020070114988A KR 20070114988 A KR20070114988 A KR 20070114988A KR 100919290 B1 KR100919290 B1 KR 100919290B1
- Authority
- KR
- South Korea
- Prior art keywords
- temperature
- circulating water
- boiler
- water
- exhaust gas
- Prior art date
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 154
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims abstract description 114
- 239000007789 gas Substances 0.000 claims abstract description 58
- 239000003054 catalyst Substances 0.000 claims abstract description 49
- 238000001816 cooling Methods 0.000 claims abstract description 25
- 238000010438 heat treatment Methods 0.000 claims abstract description 21
- 230000009467 reduction Effects 0.000 claims abstract description 17
- 239000000498 cooling water Substances 0.000 claims abstract description 6
- 239000000446 fuel Substances 0.000 claims description 32
- 229910052760 oxygen Inorganic materials 0.000 claims description 20
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 16
- 239000001301 oxygen Substances 0.000 claims description 16
- 230000004913 activation Effects 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 3
- 230000001590 oxidative effect Effects 0.000 claims description 3
- 239000007858 starting material Substances 0.000 claims description 3
- 239000002826 coolant Substances 0.000 claims description 2
- 238000002485 combustion reaction Methods 0.000 abstract description 15
- 238000006243 chemical reaction Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 6
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 5
- 229910002091 carbon monoxide Inorganic materials 0.000 description 5
- 239000000567 combustion gas Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 241000607479 Yersinia pestis Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
- F01N3/26—Construction of thermal reactors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N5/00—Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy
- F01N5/02—Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy the devices using heat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/02—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers
- F22B1/18—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines
- F22B1/1861—Waste heat boilers with supplementary firing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/006—Layout of treatment plant
-
- 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
- Y02E20/14—Combined heat and power generation [CHP]
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Sustainable Development (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Sustainable Energy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
Description
제1밸브 | 제2밸브 | 제3밸브 | 제2밸브 | 제3밸브 | |
동절기 | 열림 | 닫힘 | 닫힘 | 닫힘 | 열림 |
하절기 | 닫힘 | 열림 | 열림 | 열림 | 닫힘 |
Claims (3)
- 엔진 열병합발전소의 질소산화물 저감시스템 기동장치는 연료와 공기를 공급받아 연소키면서 발전기를 구동시키는 I.C.엔진(21)과, 상기 I.C.엔진(21)에서 배출된 배출가스의 잔여 산소를 연소시키는 후연소기(22)와, 상기 후연소기(22)에서 배출되는 고온의 배출가스와 순환수를 열교환시키면서 배출가스의 온도를 촉매의 활성화 온도까지 냉각시키고, 순환수의 온도를 고온으로 증가시키는 보일러(24)와, 환원촉매로서 배출가스에 포함된 질소산화물을 제거하는 제1촉매층(25), 환원촉매로서 배출가스를 산화시켜 열을 발생시키는 제2촉매층(27), 상기 제2촉매층(27)에서 발생된 열을 포함하는 배출가스와 순환수를 열교환시켜 배출가스의 온도를 저감시키고, 순환수의 온도를 증가시켜 보일러로 공급하는 연료절감기(28), 상기 연료절감기(28)를 통과한 배출가스를 외부로 배출시키는 굴뚝(29), 보일러에서 통과한 중온수를 이용하여 냉방용 순환수를 만드는 냉수기(31), 상기 보일러를 통과한 순환수를 난방용으로 공급하거나 또는 냉수기(31)에서 만들어진 냉수를 냉방용으로 공급하는 메인헤더(30), 상기 메인헤더(30)에서 사용된 난방용 순환수 또는 냉방용 중온수를 순환시키는 온수순환펌프(33), 상기 I.C.엔진(21)의 온도를 조절하는 순환수를 온수순환펌프(33)에서 공급된 순환수와 열교환시켜 온도를 조절하는 열교환기를 구비하는 통상의 질소산화물 저감 시스템을 갖는 엔진 열병합발전소의 순환수 온도제어장치에 있어서,상기 온수순환펌프(33)에서 공급되는 순환수의 온도를 측정하는 제1온도센서(50)와상기 제1온도센서(50)에서 측정된 온도가 기준온도보다 낮은 경우에 상기 보일러(24)에서 통과한 순환수를 온수순환펌프(50)에 직접 공급시키는 삼방변(51)을 더 포함하는 것을 특징으로 하는 질소산화물 저감 시스템을 갖는 엔진 열병합발전소의 순환수 온도제어장치.
- 제1항에 있어서, 상기 보일러(24)에서 배출되는 순환수의 온도를 체크하는 제2온도센서(52)와, 상기 제2온도센서(52)에서 측정된 온수의 온도가 기준온도보다 낮은 경우에 상기 연료절감기(28)로 유입되는 순환수의 량이 감소되도록 조절하고, 기준온도보다 높은 경우에는 상기 연료절감기(28)로 유입되는 순환수의 량이 증가되도록 조절하여 보일러에서 나오는 온수의 온도가 냉난방에 필요한 온도로 유지시키는 순환수유량조절밸브(53)를 포함하는 것을 특징으로 하는 질소산화물 저감 시스템을 갖는 엔진 열병합발전소의 순환수 온도제어장치.
- 제1항에 있어서, 상기 삼방변(51)은 메인헤더(30)의 전방에 설치되는 것을 특징으로 하는 질소산화물 저감 시스템을 갖는 엔진 열병합발전소의 순환수 온도제어장치.
Priority Applications (1)
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KR1020070114988A KR100919290B1 (ko) | 2007-11-12 | 2007-11-12 | 탈질공정을 갖는 엔진 열병합발전소의 순환수 제어장치 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020070114988A KR100919290B1 (ko) | 2007-11-12 | 2007-11-12 | 탈질공정을 갖는 엔진 열병합발전소의 순환수 제어장치 |
Publications (2)
Publication Number | Publication Date |
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KR20090048895A KR20090048895A (ko) | 2009-05-15 |
KR100919290B1 true KR100919290B1 (ko) | 2009-10-01 |
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Family Applications (1)
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KR1020070114988A KR100919290B1 (ko) | 2007-11-12 | 2007-11-12 | 탈질공정을 갖는 엔진 열병합발전소의 순환수 제어장치 |
Country Status (1)
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KR (1) | KR100919290B1 (ko) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5022226A (en) * | 1988-10-03 | 1991-06-11 | Radian Corporation | Low NOx cogeneration process and system |
KR19990050193A (ko) * | 1997-12-16 | 1999-07-05 | 신현준 | 연소배가스의 대기오염물질 연속처리방법 및 이에 이용되는 장치 |
JP2001050109A (ja) * | 1999-08-11 | 2001-02-23 | Osaka Gas Co Ltd | コージェネレーションシステム |
KR100788982B1 (ko) * | 2006-04-05 | 2007-12-27 | 주식회사 파나시아 | 열병합발전시스템에 적용되는 고온 배출가스 탈질시스템과 그 시스템을 이용한 고온 배출가스 탈질방법 |
-
2007
- 2007-11-12 KR KR1020070114988A patent/KR100919290B1/ko active IP Right Grant
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5022226A (en) * | 1988-10-03 | 1991-06-11 | Radian Corporation | Low NOx cogeneration process and system |
KR19990050193A (ko) * | 1997-12-16 | 1999-07-05 | 신현준 | 연소배가스의 대기오염물질 연속처리방법 및 이에 이용되는 장치 |
JP2001050109A (ja) * | 1999-08-11 | 2001-02-23 | Osaka Gas Co Ltd | コージェネレーションシステム |
KR100788982B1 (ko) * | 2006-04-05 | 2007-12-27 | 주식회사 파나시아 | 열병합발전시스템에 적용되는 고온 배출가스 탈질시스템과 그 시스템을 이용한 고온 배출가스 탈질방법 |
Also Published As
Publication number | Publication date |
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KR20090048895A (ko) | 2009-05-15 |
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