To provide a cold recovery system capable of suppressing clogging of a heat exchanger at start of the cold recovery system, and a starting method for the cold recovery system.SOLUTION: A cold recovery system includes: a first heat exchanger configured to transfer cold energy from liquefied gas to a cold heating medium; a cold recovery cycle including a cold pump provided downstream of the first heat exchanger to transfer the cold heating medium; a first gas liquid separator provided between the first heat exchanger and the cold pump in the cold recovery cycle and configured to separate the cold heating medium into a gas phase and a liquid phase; a pump bypass line for extracting the gas phase cold heating medium from the first gas liquid separator and guiding the gas phase cold heating medium to a portion downstream of the cold pump and upstream of the first heat exchanger in the cold recovery cycle; and air blowing means for sending the gas phase cold heating medium to the first heat exchanger via the pump bypass line.SELECTED DRAWING: Figure 1
【課題】冷熱回収システムの起動時における熱交換器の閉塞を抑制できる冷熱回収システム、および該冷熱回収システムの起動方法を提供する。【解決手段】冷熱回収システムは、液化ガスから冷熱用熱媒体に冷熱エネルギーを伝達するように構成された第1の熱交換器と、第1の熱交換器よりも下流側に設けられた冷熱用熱媒体を送るための冷熱用ポンプを含む冷熱回収サイクルと、冷熱回収サイクルにおける第1の熱交換器と冷熱用ポンプとの間に設けられ、冷熱用熱媒体を気相と液相とに分離するように構成された第1の気液分離器と、第1の気液分離器から気相の冷熱用熱媒体を抜き出して冷熱回収サイクルにおける冷熱用ポンプよりも下流側且つ第1の熱交換器よりも上流側に導くためのポンプバイパスラインと、ポンプバイパスラインを介して気相の冷熱用熱媒体を第1の熱交換器に送るための送風手段と、を備える。【選択図】 図1
COLD RECOVERY SYSTEM AND STARTING METHOD FOR COLD RECOVERY SYSTEM
冷熱回収システムおよび冷熱回収システムの起動方法
2023-02-09
Patent
Electronic Resource
Japanese
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