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Refrigerant circulating device, refrigerant circulating method, refrigerant charging method, and operating method of refrigerant circulating device
Refrigerant circulating device, refrigerant circulating method, refrigerant charging method, and operating method of refrigerant circulating device
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机译:制冷剂循环装置,制冷剂循环方法,制冷剂填充方法和制冷剂循环装置的操作方法
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摘要
The purpose of the present invention is to provide refrigerant circulation devices and a refrigerant circulation method which are capable of inhibiting a refrigerant comprising a hydrofluoroolefin (HFO) or hydrochlorofluoroolefin (HCFO) from decomposing and thereby generating an acid. One of the refrigerant circulation devices is a refrigerant circulation device (1) which includes a compressor (3), a condenser (5), expansion valves (9, 19), and an evaporator (11) that have been connected to each other by main piping (17a to 17e) to configure a refrigerant circulation circuit for circulating a refrigerant therethrough, and into which a refrigerant comprising an HFO or HCFO each having a carbon-carbon double bond in the molecular structure has been packed. The refrigerant circulation device (1) is equipped with a drive (15) for driving the compressor (3) via a speed increaser (13) and with a drive-cooling part (25) for cooling the drive (15) with the refrigerant condensed in the condenser (5), a desiccant which can trap water having been disposed in the evaporator (11) or the drive-cooling part (25).
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