JP2017505407A - 液−蒸気エジェクタと作動部ポンプを適用した高効率海洋温度差発電システム{High−efficiency ocean thermal energy conversion(OTEC) applying a liquid−vapor ejector and a motive pump} - Google Patents
液−蒸気エジェクタと作動部ポンプを適用した高効率海洋温度差発電システム{High−efficiency ocean thermal energy conversion(OTEC) applying a liquid−vapor ejector and a motive pump} Download PDFInfo
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- JP2017505407A JP2017505407A JP2016564936A JP2016564936A JP2017505407A JP 2017505407 A JP2017505407 A JP 2017505407A JP 2016564936 A JP2016564936 A JP 2016564936A JP 2016564936 A JP2016564936 A JP 2016564936A JP 2017505407 A JP2017505407 A JP 2017505407A
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- liquid
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- pump
- pressure
- ejector
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- 238000006243 chemical reaction Methods 0.000 title 1
- 239000003507 refrigerant Substances 0.000 claims abstract description 119
- 239000007788 liquid Substances 0.000 claims abstract description 65
- 238000010248 power generation Methods 0.000 claims abstract description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 238000001704 evaporation Methods 0.000 claims abstract description 15
- 230000008020 evaporation Effects 0.000 claims abstract description 14
- 238000007906 compression Methods 0.000 claims abstract description 9
- 239000012530 fluid Substances 0.000 claims description 12
- 239000002352 surface water Substances 0.000 claims description 10
- 238000002156 mixing Methods 0.000 claims description 5
- 239000002344 surface layer Substances 0.000 abstract description 3
- 238000000926 separation method Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 230000006835 compression Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009834 vaporization Methods 0.000 description 2
- 230000008016 vaporization Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
- F03G7/00—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for
- F03G7/04—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for using pressure differences or thermal differences occurring in nature
- F03G7/05—Ocean thermal energy conversion, i.e. OTEC
-
- 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
- F01K5/00—Plants characterised by use of means for storing steam in an alkali to increase steam pressure, e.g. of Honigmann or Koenemann type
-
- 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
- F01K7/00—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating
- F01K7/16—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating the engines being only of turbine type
-
- 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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Oceanography (AREA)
- Sustainable Development (AREA)
- Jet Pumps And Other Pumps (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
Description
30 :作動部ポンプ 40 :液−蒸気エジェクタ
31 :低段作動部ポンプ 41 :低段液−蒸気エジェクタ
32 :高段作動部ポンプ 42 :高段液−蒸気エジェクタ
50 :凝縮器 60 :冷媒循環ポンプ
70 :分配器 100 :気液分離器
Claims (5)
- 移送された冷媒液を表層水と熱交換させて高温高圧の冷媒蒸気に変換させる蒸発器(10)と、
前記蒸発器(10)から移送された高圧の気体状態の冷媒を利用して電力を生産するタービン(20)と、
前記タービン(20)を通過した低圧の気体状態の冷媒と作動部ポンプ(30)を通過した高圧の液状態冷媒とを混合させ、膨脹と圧縮過程を有する液−蒸気エジェクタ(40)と、
前記液−蒸気エジェクタ(40)において混合した冷媒と深層水とを熱交換させて冷媒を凝縮させる凝縮器(50)と、
前記凝縮器(50)において凝縮された冷媒を蒸発圧力まで昇圧及び循環せしめる冷媒循環ポンプ(60)と、
前記冷媒循環ポンプ(60)において加圧された冷媒を前記蒸発器(10)及び作動部ポンプ(30)にそれぞれ分配する分配器(70)と、を含んで構成されることを特徴とする液−蒸気エジェクタと作動部ポンプを適用した高効率海洋温度差発電システム。 - 移送された冷媒液を表層水と熱交換させて高温高圧の冷媒蒸気に変換させる蒸発器(10)と、
前記蒸発器(10)から移送された高圧の気体状態の冷媒を利用して電力を生産するタービン(20)と、
前記タービン(20)を通過した低圧の気体状態の冷媒と低段作動部ポンプ(31)を通過した高圧の液状態冷媒とを混合させ、膨脹と圧縮過程を有する低段液−蒸気エジェクタ(41)と、
前記低段液−蒸気エジェクタ(41)において混合した冷媒を液体と気体状態の冷媒にそれぞれ分離させる気液分離器(100)と、
前記気液分離器(100)を通過した冷媒と、気液分離器(100)から分離した液状態の冷媒とを加圧させる高段作動部ポンプ(32)を通過した冷媒が流入する高段液−蒸気エジェクタ(42)と、
前記高段液−蒸気エジェクタ(42)において混合した冷媒と深層水とを熱交換させて冷媒を凝縮させる凝縮器(50)と、
前記凝縮器(50)で凝縮された冷媒を蒸発圧力まで昇圧及び循環せしめる冷媒循環ポンプ(60)と、
前記冷媒循環ポンプ(60)から加圧された冷媒を前記蒸発器(10)及び低段作動部ポンプ(31)にそれぞれ分配する分配器(70)と、を含んで構成されることを特徴とする液−蒸気エジェクタと作動部ポンプを適用した高効率海洋温度差発電システム。 - 前記分配器(70)を通過した冷媒液は冷媒循環ポンプを介して蒸発器(10)に伝達され、分枝された冷媒液は前記液−蒸気エジェクタ(40,41)の作動部流体として使用されることを特徴とする液−蒸気エジェクタと作動部ポンプを適用した請求項1または請求項2に記載の高効率海洋温度差発電システム。
- 冷媒液が作動部ポンプ(30,31,32)を介して昇圧され、液−蒸気エジェクタ(40,41,42)の作動部に流入することを特徴とする液−蒸気エジェクタと作動部ポンプを適用した請求項1または請求項2に記載の高効率海洋温度差発電システム。
- 前記高段液−蒸気エジェクタ(42)を追加設置することにより、低段液−蒸気エジェクタ(41)の吐出部圧力が更に低く形成されつつ、低段液−蒸気エジェクタ(41)の吸入部圧力とタービン出口圧力が減少してタービンで生産する電力量を増加せしめることを特徴とする液−蒸気エジェクタと作動部ポンプを適用した請求項2に記載の高効率海洋温度差発電システム。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2014-0182509 | 2014-12-17 | ||
KR1020140182509A KR101678829B1 (ko) | 2014-12-17 | 2014-12-17 | 액-증기 이젝터와 작동부 펌프를 적용한 고효율 해양온도차 발전 시스템 |
PCT/KR2015/002112 WO2016098949A1 (ko) | 2014-12-17 | 2015-03-05 | 액-증기 이젝터와 작동부 펌프를 적용한 고효율 해양온도차 발전 시스템 |
Publications (2)
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JP2017505407A true JP2017505407A (ja) | 2017-02-16 |
JP6103418B2 JP6103418B2 (ja) | 2017-03-29 |
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JP2016564936A Active JP6103418B2 (ja) | 2014-12-17 | 2015-03-05 | 液−蒸気エジェクタと作動部ポンプを適用した高効率海洋温度差発電システム{High−efficiency ocean thermal energy conversion(OTEC) applying a liquid−vapor ejector and a motive pump} |
Country Status (5)
Country | Link |
---|---|
US (1) | US9957955B2 (ja) |
EP (1) | EP3236066B1 (ja) |
JP (1) | JP6103418B2 (ja) |
KR (1) | KR101678829B1 (ja) |
WO (1) | WO2016098949A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110905864A (zh) * | 2019-11-01 | 2020-03-24 | 浙江大学 | 一种基于海洋温差能驱动且能定深控制的海洋剖面运动平台 |
CN112267937A (zh) * | 2020-09-18 | 2021-01-26 | 浙江海洋大学 | 船舶轮机结构散热装置 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101968517B1 (ko) * | 2017-09-04 | 2019-04-15 | 한국해양과학기술원 | 이젝터 결합형 증기압축식 냉방 온도차발전 듀얼시스템 |
KR102027515B1 (ko) * | 2017-09-20 | 2019-10-01 | 한국기계연구원 | 이젝터를 이용한 증기사이클 기반의 폐열발전 열기관 및 이 열기관의 동작 방법 |
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JPS53141850A (en) * | 1977-05-18 | 1978-12-11 | Mitsui Eng & Shipbuild Co Ltd | Waste-heat recoverying method by ranking cycle |
WO2009107383A1 (ja) * | 2008-02-28 | 2009-09-03 | Kanemitsu Toshinori | 中温熱機関 |
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JP2013036456A (ja) * | 2011-08-04 | 2013-02-21 | Yagumo Engineering Kk | 温度差発電装置 |
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- 2015-03-05 WO PCT/KR2015/002112 patent/WO2016098949A1/ko active Application Filing
- 2015-03-05 EP EP15797829.7A patent/EP3236066B1/en active Active
- 2015-03-05 US US14/895,280 patent/US9957955B2/en active Active
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CN112267937A (zh) * | 2020-09-18 | 2021-01-26 | 浙江海洋大学 | 船舶轮机结构散热装置 |
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US9957955B2 (en) | 2018-05-01 |
EP3236066B1 (en) | 2019-05-08 |
EP3236066A1 (en) | 2017-10-25 |
EP3236066A4 (en) | 2018-02-14 |
WO2016098949A1 (ko) | 2016-06-23 |
KR20160074037A (ko) | 2016-06-28 |
JP6103418B2 (ja) | 2017-03-29 |
KR101678829B1 (ko) | 2016-11-24 |
US20160341184A1 (en) | 2016-11-24 |
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