Title:
COOLING/CIRCULATION DEVICE AND COOLING/CIRCULATION METHOD FOR SECONDARY REFRIGERANT
Document Type and Number:
WIPO Patent Application WO/2023/282280
Kind Code:
A1
Abstract:
A cooling/circulation device for a secondary refrigerant which keeps device costs low and stably circulates a secondary refrigerant, wherein the cooling/circulation device 1 comprises: a liquefied gas supply line 2; a secondary refrigerant reserve tank 5 in which a secondary refrigerant is stored as a liquid; a secondary refrigerant circulation line 8 whereby secondary refrigerant supplied from the secondary refrigerant reserve tank 5 is made to circulate; and a secondary refrigerant heat exchanger 9 that performs heat exchange between the liquefied gas in the liquefied gas supply line 2 and the secondary refrigerant in the secondary refrigerant circulation line 8. After being led out to the secondary refrigerant heat exchanger 9, the liquefied gas supply line 2 is inserted into the secondary refrigerant reserve tank 5 and forms a secondary refrigerant condensation section 17 whereby secondary refrigerant supplied to the secondary refrigerant reserve tank 5 is condensed and liquefied. A temperature control valve 14 in which the control state switches in accordance with the height of the liquid level of the secondary refrigerant stored in the secondary refrigerant reserve tank 5 is provided to the liquefied gas supply line 2.
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Inventors:
YONEKURA MASAHIRO (JP)
Application Number:
PCT/JP2022/026801
Publication Date:
January 12, 2023
Filing Date:
July 06, 2022
Export Citation:
Assignee:
TAIYO NIPPON SANSO CORP (JP)
International Classes:
F25B27/00
Foreign References:
| JP4068108B2 | 2008-03-26 | |||
| JPH05136469A | 1993-06-01 | |||
| JPS56168123U | 1981-12-12 | |||
| CN201575547U | 2010-09-08 | |||
| CN106795998A | 2017-05-31 | |||
| JP2004286372A | 2004-10-14 | |||
| JP2019117868A | 2019-07-18 | |||
| JP2001208436A | 2001-08-03 | |||
| JPS62171766U | 1987-10-31 |
Attorney, Agent or Firm:
KIDO, Yoshihiko et al. (JP)
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