To provide a cold recovery system capable of suppressing clogging of a heat exchanger due to freezing of a heating medium and improving reliability of the cold recovery system when a small heat exchanger is used.SOLUTION: A cold recovery system includes: a working fluid circulation line 4 for circulating working fluid having a lower freezing point than that of water; a cold heat recovery device 41 including a turbine 42 driven by the working fluid; a first heat exchanger 51 exchanging heat between liquefied gas and the working fluid; an intermediate heating medium circulation line 6 for circulating an intermediate heating medium having a lower freezing point than that of water; a second heat exchanger 52 provided downstream of the first heat exchanger in the working fluid circulation line, the second heat exchanger exchanging heat between the working fluid and the intermediate heating medium; and a third heat exchanger 53 exchanging heat between the intermediate heating medium and heating water introduced from outside of the cold recovery system.SELECTED DRAWING: Figure 2
【課題】熱媒体の凝固による熱交換器の閉塞を抑制することができ、小型の熱交換器を使用する際の冷熱回収システムの信頼性を向上させることができる冷熱回収システムを提供する。【解決手段】水よりも凝固点が低い作動流体を循環させる作動流体循環ライン4と、作動流体により駆動するタービン42を含む冷熱回収装置41と、液化ガスと作動流体との間で熱交換を行う第1の熱交換器51と、水よりも凝固点が低い中間熱媒体を循環させる中間熱媒体循環ライン6と、第1の熱交換器よりも作動流体循環ラインの下流側に設けられる第2の熱交換器52であって、作動流体と中間熱媒体との間で熱交換を行う第2の熱交換器と、中間熱媒体と冷熱回収システムの外部から導入された加熱水との間で熱交換を行う第3の熱交換器53と、を備える。【選択図】図2
COLD RECOVERY SYSTEM, VESSEL INCLUDING COLD RECOVERY SYSTEM AND COLD RECOVERY METHOD
冷熱回収システム、冷熱回収システムを備える船舶、および冷熱回収方法
2021-06-03
Patent
Electronic Resource
Japanese
IPC: | F17C Behälter zum Aufnehmen oder Speichern verdichteter, verflüssigter oder verfestigter Gase , VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES / B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS / B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING / B63J Hilfsanlagen auf Schiffen , AUXILIARIES ON VESSELS / F28D Wärmetauscher, soweit in keiner anderen Unterklasse vorgesehen, in denen die Wärmetauschmittel nicht in direkte Berührung miteinander kommen , HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT / F28F Einzelheiten von Wärmetauschern oder Wärmeübertragungsvorrichtungen für allgemeine Verwendung , DETAILS OF HEAT-EXCHANGE OR HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION |
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