JPH033902A - Thermal power plant system - Google Patents
Thermal power plant systemInfo
- Publication number
- JPH033902A JPH033902A JP13864589A JP13864589A JPH033902A JP H033902 A JPH033902 A JP H033902A JP 13864589 A JP13864589 A JP 13864589A JP 13864589 A JP13864589 A JP 13864589A JP H033902 A JPH033902 A JP H033902A
- Authority
- JP
- Japan
- Prior art keywords
- cold
- hot
- drain water
- condenser
- vaporizer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 44
- 239000000498 cooling water Substances 0.000 claims abstract description 12
- 239000012530 fluid Substances 0.000 claims abstract description 12
- 239000002351 wastewater Substances 0.000 claims description 37
- 239000003949 liquefied natural gas Substances 0.000 claims description 33
- 239000006200 vaporizer Substances 0.000 claims description 27
- 239000013535 sea water Substances 0.000 claims description 10
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims description 2
- 239000003345 natural gas Substances 0.000 claims description 2
- 238000010248 power generation Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims 1
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 239000002737 fuel gas Substances 0.000 description 4
- 238000009834 vaporization Methods 0.000 description 4
- 230000008016 vaporization Effects 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Classifications
-
- 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
- F01K9/00—Plants characterised by condensers arranged or modified to co-operate with the engines
- F01K9/003—Plants characterised by condensers arranged or modified to co-operate with the engines condenser cooling circuits
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)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
Description
【発明の詳細な説明】
〈産業上の利用分野〉
本発明は、ＬＮＧ気化設備を同一敷地内に有する火力発
電所システムに関し、更に詳しくは、ＬＮＧ気化器の排
水（冷排水）を復水器の冷却水として使用する火力発電
所システムに関する。[Detailed Description of the Invention] <Industrial Application Field> The present invention relates to a thermal power plant system having LNG vaporization equipment on the same site. This invention relates to a thermal power plant system that uses water as cooling water.
〈従来の技術〉
第２図は、従来のＬＮＧ気化設備を同一敷地内に有する
火力発電所システムの構成概念図である。<Prior Art> FIG. 2 is a conceptual diagram of a thermal power plant system having conventional LNG vaporization equipment on the same site.
図において、１はＬＮＧを蓄えたタンクであり、２はタ
ンク１から供給されたＬＮＧを気化させる気化器、３は
ボイラで、気化器２から供給されたＮＧ（燃料ガス）を
燃焼させて、タービン４を回すための蒸気を作る。４１
はタービン４に備えられている復水器、５はタービン４
によって駆動される発電機である。In the figure, 1 is a tank that stores LNG, 2 is a vaporizer that vaporizes the LNG supplied from the tank 1, and 3 is a boiler that burns the NG (fuel gas) supplied from the vaporizer 2. Creates steam to rotate turbine 4. 41
is a condenser provided in the turbine 4, and 5 is the turbine 4
It is a generator driven by.
ＬＮＧ気化器２は、パイプ２０を経て海水を気化用に取
り込み、冷排水を再び海に戻している。The LNG vaporizer 2 takes in seawater for vaporization through a pipe 20 and returns the cold wastewater to the sea.
また、復水器４１もタービン排気冷却用海水をパイプ８
により取り込み、ここで温度が上がった温排水を再び海
に戻している。The condenser 41 also supplies seawater for cooling the turbine exhaust to the pipe 8.
The heated wastewater is then returned to the sea.
〈発明が解決しようとする課願〉
この様な構成の発電所システムは、冷排水及び温排水と
も公害源であり、しかも取水の温度と排水の温度との差
が大きいと、環境に与える影響が無視できなくなるので
、この温度差を小さくするための設備を必要とする等の
問題点があった。<Problem to be solved by the invention> In a power plant system with such a configuration, both cold and hot wastewater are a source of pollution, and if there is a large difference between the temperature of the intake water and the temperature of the wastewater, the impact on the environment may be high. Since the difference in temperature cannot be ignored, there are problems such as the need for equipment to reduce this temperature difference.
本発明は、この様な問題点に鑑みてなされたものであっ
て、環境に与える影響を極力少なくすると共に、全体と
して効率のよい火力発電所システムを提供することを目
的とする。The present invention has been made in view of these problems, and an object of the present invention is to provide a thermal power plant system that minimizes the impact on the environment and is highly efficient as a whole.
〈課題を解決するための手段〉
前記した目的を達成する本発明は、
海水を温熱源とし、液化天然ガスをガス化するＬＮＧ気
化器と、
このＬＮｄ気化器にて作られた天然ガスを燃焼させて蒸
気を発生させ、この蒸気を複水タービンに導き発電を行
う発電ボイラ・タービンとを備えた火力発電所システム
であって、
前記ＬＮＧ気化器から排出される熱交換後の冷排水を前
記複水タービンに備えられている復水器の冷却水として
供給する冷却水供給手段と、前記復水器にて熱交換され
た後の温排水を前記ＬＮＧ気化器の温熱源として供給す
る温排水供給手段とを設けて構成される。<Means for Solving the Problems> The present invention, which achieves the above-mentioned objects, includes an LNG vaporizer that uses seawater as a heat source to gasify liquefied natural gas, and a combustion system that burns the natural gas produced in this LNd vaporizer. A thermal power plant system equipped with a power generation boiler and turbine that generates steam and guides this steam to a double water turbine to generate electricity, wherein the cold wastewater discharged from the LNG vaporizer after heat exchange is Cooling water supply means for supplying cooling water to a condenser provided in a double water turbine; and heated waste water for supplying heated waste water after heat exchange in the condenser as a heat source for the LNG vaporizer. and a supply means.
〈作用〉
ＬＮＧ気化器は、液化天然ガスをガス化させ、熱交換の
後に冷水を排出する。この冷排水は、冷却水供給手段に
より蒸気タービン復水器の冷却水として供給される。こ
の冷却水は復水器を経て温水になって排出されるが、こ
の温排水は温排水供給手段を経て、ＬＮＧ気化器に供給
される。<Operation> The LNG vaporizer gasifies liquefied natural gas and discharges cold water after heat exchange. This cold waste water is supplied as cooling water to the steam turbine condenser by the cooling water supply means. This cooling water is discharged as hot water through a condenser, and this heated waste water is supplied to an LNG vaporizer via a heated waste water supply means.
〈実施例〉 以下図面を用いて、本発明の実施例を詳細に説明する。<Example> Embodiments of the present invention will be described in detail below with reference to the drawings.
第１図は、本発明の一実施例を示す構成ブロック図であ
る。図において、１はＬＮＧを蓄えたＬＮＧタンク、２
はＬＮＧ気化器、２０は海水取り込み用のパイプで、途
中に逆流防止用弁２１およびポンプ２２が設置されてい
る。このＬＮＧ気化器２は、ＬＮＧタンク１から供給さ
れる液化天然ガスを取り込むと共に、パイプ２０を経て
温海水を取り込み、気化器（例えば０ＲＶ）により液化
天然ガスをガス化して燃料ガスを製造する。FIG. 1 is a block diagram showing an embodiment of the present invention. In the figure, 1 is an LNG tank storing LNG, 2
2 is an LNG vaporizer, 20 is a seawater intake pipe, and a backflow prevention valve 21 and a pump 22 are installed in the middle. This LNG vaporizer 2 takes in liquefied natural gas supplied from the LNG tank 1, takes in warm seawater through a pipe 20, and gasifies the liquefied natural gas using a vaporizer (for example, 0RV) to produce fuel gas.
３はボイラで、ＬＮＧ気化器２で作られた燃料ガスがパ
イプ１０を通って供給され、ここで燃焼されて蒸気を作
る。４はタービンで、ボイラ３で作られた高温の蒸気が
パイプ３０を通って供給され回転し、発電機５を駆動す
ることで発電機５から電力を得る。3 is a boiler, to which fuel gas produced by the LNG vaporizer 2 is supplied through a pipe 10 and is combusted here to produce steam. Reference numeral 4 denotes a turbine, to which high-temperature steam produced by the boiler 3 is supplied through a pipe 30 and rotates to drive the generator 5, thereby obtaining electric power from the generator 5.
６は冷排水溜で、ＬＮＧ気化器２にて熱交換された後の
冷排水がパイプ１２を通って供給され、ここに貯蔵され
る。４１は蒸気タービンに備えられている復水器で、タ
ービン４を回した後の蒸気が、ここで水に戻され、パイ
プ３１を経て再びボイラ３に送られる。この蒸気タービ
ン復水器４１には、パイプロ０を経由して、冷排水溜６
から復水器用の冷却水が取り込まれている。６１はパイ
プロ０の途中に配置したポンプである。Reference numeral 6 denotes a cold waste water reservoir, into which cold waste water after heat exchange in the LNG vaporizer 2 is supplied through a pipe 12 and stored there. 41 is a condenser provided in the steam turbine, where the steam after rotating the turbine 4 is returned to water and sent to the boiler 3 again through the pipe 31. This steam turbine condenser 41 is connected to a cold water reservoir 6 via a pipeline 0.
Cooling water for the condenser is taken in from. 61 is a pump placed in the middle of Pipro 0.
７は蒸気タービン復水器４１から排出される温水が、パ
イプ４２を経由して溜められる温排水溜である。７０は
パイプで、温排水溜７に溜められた温水をパイプ２０を
経て、ＬＮＧ気化器２に供給するためのもので、途中に
ポンプ７１と逆流防止用の弁７２が設置されている。7 is a hot water reservoir in which hot water discharged from the steam turbine condenser 41 is stored via a pipe 42. A pipe 70 is used to supply hot water stored in the hot water reservoir 7 to the LNG vaporizer 2 through the pipe 20, and a pump 71 and a valve 72 for preventing backflow are installed in the middle.
８０は一端が排出口に開口する排水パイプ、６２は冷排
水溜６と排水パイプ８０の他端とを結ぶパイプ、７３は
温排水溜７と排水パイプ８０の他端とを結ぶパイプで、
各パイプロ２と７３には流量調節弁６３．７４がそれぞ
れ設置されている。80 is a drain pipe whose one end opens to a discharge port, 62 is a pipe that connects the cold water reservoir 6 and the other end of the drain pipe 80, and 73 is a pipe that connects the hot water reservoir 7 and the other end of the drain pipe 80.
Flow control valves 63 and 74 are installed in each pipero 2 and 73, respectively.
また、排水パイプ８０には、冷排水と温排水とを混合し
て排出するためのポンプ８１が設置されている。９は温
度調節計、９１は排水パイプ８０から海に排出される冷
排水と温排水との混合流体の温度を検出する温度検出器
９１である。Further, a pump 81 for mixing and discharging cold waste water and warm waste water is installed in the drain pipe 80. 9 is a temperature controller, and 91 is a temperature detector 91 that detects the temperature of the mixed fluid of cold wastewater and warm wastewater discharged from the drain pipe 80 into the sea.
温度調節計９は、温度検出器９１からの温度に関する信
号ｅｔと、設定温度信号ｔｓとを入力し、混合流体の温
度が設定温度になるように２つの流ｉｓ節弁６３．７４
の開度を制御する。The temperature controller 9 inputs the temperature-related signal et from the temperature detector 91 and the set temperature signal ts, and operates two flow IS control valves 63 and 74 so that the temperature of the mixed fluid reaches the set temperature.
Controls the opening degree.
このように構成したシステムの全体の動作を説明すれば
、以下の通りである。The overall operation of the system configured as described above will be explained as follows.
ＬＮＧ気化器２で作られた燃料ガスは、ボイラ３に送ら
れ、ここで燃焼される。ボイラ３で作られた蒸気はター
ビン４送られて、タービン４を回すと共に、発電機５を
回転させ電力を得る。The fuel gas produced by the LNG vaporizer 2 is sent to the boiler 3, where it is combusted. The steam produced by the boiler 3 is sent to the turbine 4, which rotates the turbine 4 and also rotates the generator 5 to obtain electric power.
ＬＮＧ気化器２から排出される冷排水は、冷排水溜６に
溜めらる。そして、ここに溜められた冷水はパイプロ０
を経由して復水器４１に供給される。一方、復水器４１
から排出される温排水は、温排水溜７に溜められる。そ
して、ここに溜められた温水は、パイプ７０．パイプ２
０を経てＬＮＧ気化器２に供給される。Cold waste water discharged from the LNG vaporizer 2 is collected in a cold waste water reservoir 6. And the cold water stored here is pipero 0
It is supplied to the condenser 41 via. On the other hand, condenser 41
The hot water discharged from the tank is collected in a hot water reservoir 7. The hot water stored here is piped to pipe 70. pipe 2
0 and is supplied to the LNG vaporizer 2.
このようにして、海水取水口から取り込まれた海水は、
温度の下降、上昇を繰り返しながら、ＬＮＧ気化器２、
冷排水溜６、復水器４１、温排水溜７の順に巡回する。In this way, the seawater taken in from the seawater intake is
While the temperature repeatedly decreases and increases, the LNG vaporizer 2,
The cold water reservoir 6, the condenser 41, and the hot water reservoir 7 are visited in this order.
また、冷排水溜６及び温排水溜７に溜められた排水は、
そのレベルが一定以上（例えば図示するＬｌ、Ｌ２以上
）にある場合、温度調節計９は、排水パイプ８０がらの
混合流体の温度が設定された温度ｔｓ（この設定温度は
定められた環境基準に沿って設定される）になるように
、パイプロ２とパイプ７３を流れる流体の量を制御し、
これによって冷排水と、温排水の混合比を変える。In addition, the waste water stored in the cold water reservoir 6 and the hot water reservoir 7 is
When the level is above a certain level (for example, above Ll and L2 shown in the figure), the temperature controller 9 indicates the temperature ts at which the temperature of the mixed fluid in the drain pipe 80 has been set (this set temperature meets established environmental standards). control the amount of fluid flowing through the pipero 2 and the pipe 73 so that
This changes the mixing ratio of cold wastewater and hot wastewater.
これにより排出パイプ８０から、常に環境基準の範囲内
に定まった温度の流体が海に排出されるように制御して
いる。This controls the discharge pipe 80 to always discharge fluid at a temperature within the range of environmental standards into the sea.
なお、上記の実施例において、海に排出される流体の量
は、冷排水溜６及び温排水溜７との間で循環する流体の
量がバランスしていれば、ごく少ないものとなる。従っ
て、温度調節計９による制御ループは省略してもよい。In the above embodiment, the amount of fluid discharged into the sea will be extremely small if the amount of fluid circulating between the cold water reservoir 6 and the warm water reservoir 7 is balanced. Therefore, the control loop using the temperature controller 9 may be omitted.
〈発明の効果〉
以上詳細に説明したように、本発明は、ＬＮＧ気化器か
らの冷排水や復水器からの温排水が直接海に排出される
ことはなく、また、海に排出される冷排水と温排水との
混合流体の量は少ないため、環境に与える影響を小さく
できる。また、温排水をＬＮＧ気化器に供給してそこで
再び使用するようにしたので、取り込む海水の量を少な
くできる上に、ポンプ２２の負荷を減らせることができ
る。<Effects of the Invention> As explained in detail above, the present invention has the advantage that the cold waste water from the LNG vaporizer and the warm waste water from the condenser are not directly discharged into the sea; Since the amount of mixed fluid of cold wastewater and hot wastewater is small, the impact on the environment can be reduced. Furthermore, since heated waste water is supplied to the LNG vaporizer and reused there, the amount of seawater taken in can be reduced, and the load on the pump 22 can be reduced.
同様に復水器に供給する冷却水も、海水よりも温度の低
い冷排水を用いるものであるがら、冷却水の供給量を少
なくでき、ポンプ６１の負荷も減らせることができる。Similarly, although the cooling water supplied to the condenser uses cold wastewater having a temperature lower than that of seawater, the amount of cooling water supplied can be reduced, and the load on the pump 61 can also be reduced.
従って、全体として効率のよい火力発電所が実現できる
。Therefore, an efficient thermal power plant can be realized as a whole.
第１図は本発明の一実施例を示す構成ブロック図、第２
図は従来のＬＮＧ気化設備を同一敷地内に有する火力発
電所システムの構成概念図である。
ｌ・・・ＬＮＧタンク、 ２・・・ＬＮＧ気化器３・・
・ボイラ、 ４・・・タービン５・・・発電機
、 ４１・・・復水器６・・・冷排水溜
７・・・温排水溜２０．６０．７０・・・パイプFIG. 1 is a configuration block diagram showing one embodiment of the present invention, and FIG.
The figure is a conceptual diagram of a thermal power plant system having conventional LNG vaporization equipment on the same site. l...LNG tank, 2...LNG vaporizer 3...
・Boiler, 4... Turbine 5... Generator, 41... Condenser 6... Cold sump
7... Warm water reservoir 20.60.70... Pipe
Claims (2)
Ｇ気化器と、 このＬＮＧ気化器にて作られた天然ガスを 燃焼させて蒸気を発生させこの蒸気を複水タービンに導
き発電を行う発電ボイラ・タービンとを備えた火力発電
所システムであって、前記気化器から排出される熱交換
後の冷排 水を前記複水タービンに備えられている復水器の冷却水
として供給する冷却水供給手段と、前記復水器にて熱交
換された後の温排水を 前記気化器の温熱源として供給する温排水供給手段とを
設けたことを特徴とする火力発電所システム。(1) LN that uses seawater as a heat source to gasify liquefied natural gas
A thermal power plant system equipped with a G vaporizer and a power generation boiler/turbine that burns natural gas produced in the LNG vaporizer to generate steam and guides the steam to a double water turbine to generate electricity. , cooling water supply means for supplying cold waste water discharged from the vaporizer after heat exchange as cooling water for a condenser provided in the double water turbine; and after heat exchange in the condenser. A thermal power plant system comprising a heated waste water supply means for supplying the heated waste water of the vaporizer as a heat source for the vaporizer.
イプを流れる混合流体の温度を 所定の温度になるように、前記冷排水溜からの冷排水と
温排水溜からの温排水の混合比を制御する温度調節計と
を設けた請求項１記載の火力発電所システム。(2) A cold drainage basin for storing cold wastewater, a hot drainage basin for storing hot wastewater, a pipe for mixing the cold wastewater and hot wastewater from the cold drainage basin and the hot wastewater basin and discharging the mixture into the sea; 2. A temperature controller according to claim 1, further comprising a temperature controller for controlling a mixing ratio of cold waste water from the cold water reservoir and warm waste water from the hot water reservoir so that the temperature of the mixed fluid flowing through the discharge pipe becomes a predetermined temperature. thermal power plant system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1138645A JP2775851B2 (en) | 1989-05-31 | 1989-05-31 | Thermal power plant system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1138645A JP2775851B2 (en) | 1989-05-31 | 1989-05-31 | Thermal power plant system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH033902A true JPH033902A (en) | 1991-01-10 |
| JP2775851B2 JP2775851B2 (en) | 1998-07-16 |
Family
ID=15226844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1138645A Expired - Fee Related JP2775851B2 (en) | 1989-05-31 | 1989-05-31 | Thermal power plant system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2775851B2 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998058160A1 (en) * | 1997-06-18 | 1998-12-23 | Linde Aktiengesellschaft | Method for operating a gas or steam turbine power station |
| JP2006233872A (en) * | 2005-02-25 | 2006-09-07 | Chugoku Electric Power Co Inc:The | Axis-lubricating-water supply system of pump |
| WO2016043094A1 (en) * | 2014-09-18 | 2016-03-24 | 三菱日立パワーシステムズ株式会社 | Cooling equipment, combined cycle plant comprising same, and cooling method |
| US11083109B2 (en) * | 2017-06-21 | 2021-08-03 | Hongfujin Precision Electronics (Tianjin) Co., Ltd. | Heat exchange system |
| WO2021229897A1 (en) * | 2020-05-11 | 2021-11-18 | 日揮グローバル株式会社 | Temperature adjustment system and temperature adjustment method |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101491032B1 (en) * | 2013-10-21 | 2015-02-06 | 대우조선해양 주식회사 | Land And Sea-Connected Power Plant System And Power Generating Method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56154108A (en) * | 1980-04-30 | 1981-11-28 | Toshiba Corp | Thermoelectric power generating equipment |
| JPS648304A (en) * | 1987-07-01 | 1989-01-12 | Hitachi Ltd | Cooling water equipment for steam prime mover plant |
-
1989
- 1989-05-31 JP JP1138645A patent/JP2775851B2/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56154108A (en) * | 1980-04-30 | 1981-11-28 | Toshiba Corp | Thermoelectric power generating equipment |
| JPS648304A (en) * | 1987-07-01 | 1989-01-12 | Hitachi Ltd | Cooling water equipment for steam prime mover plant |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998058160A1 (en) * | 1997-06-18 | 1998-12-23 | Linde Aktiengesellschaft | Method for operating a gas or steam turbine power station |
| JP2006233872A (en) * | 2005-02-25 | 2006-09-07 | Chugoku Electric Power Co Inc:The | Axis-lubricating-water supply system of pump |
| JP4683958B2 (en) * | 2005-02-25 | 2011-05-18 | 中国電力株式会社 | Pump shaft lubrication water supply system |
| WO2016043094A1 (en) * | 2014-09-18 | 2016-03-24 | 三菱日立パワーシステムズ株式会社 | Cooling equipment, combined cycle plant comprising same, and cooling method |
| JP2016061227A (en) * | 2014-09-18 | 2016-04-25 | 三菱日立パワーシステムズ株式会社 | Cooling facility, combined cycle plant including the same, and cooling method |
| US11300010B2 (en) | 2014-09-18 | 2022-04-12 | Mitsubishi Power, Ltd. | Cooling equipment, combined cycle plant comprising same, and cooling method |
| US11083109B2 (en) * | 2017-06-21 | 2021-08-03 | Hongfujin Precision Electronics (Tianjin) Co., Ltd. | Heat exchange system |
| US11477918B2 (en) | 2017-06-21 | 2022-10-18 | Fulian Precision Electronics (Tianjin) Co., Ltd. | Heat exchange system |
| WO2021229897A1 (en) * | 2020-05-11 | 2021-11-18 | 日揮グローバル株式会社 | Temperature adjustment system and temperature adjustment method |
| WO2021229637A1 (en) * | 2020-05-11 | 2021-11-18 | 日揮グローバル株式会社 | Temperature adjustment system and temperature adjustment method |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2775851B2 (en) | 1998-07-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |