SUPERCONDUCTING CABLE DEPRESSOR FOR LIQUID NITROGEN SUPPLY APPARATUS

摘要

PURPOSE: A superconducting cable depressor for a liquid nitrogen supply apparatus is provided to reduce consumption of liquid nitrogen by evaporating the liquid nitrogen in only decompression. CONSTITUTION: A liquid nitrogen supply line(110) flows liquid nitrogen of high pressure to a decompression device. A refrigerant circulation line(120) is branched from the liquid nitrogen supply line. The liquid nitrogen supply line passes through an expansion part(130). A bypass pipe(140) is extended from the liquid nitrogen supply line to the expansion part. A first valve(111) opens and closes the liquid nitrogen supply line. A second valve(142) opens and closes the bypass pipe. The liquid nitrogen is inserted into the expansion part according to bypass pipe.