Title:
COLD HEAT RECOVERY FACILITY AND SHIP
Document Type and Number:
Japanese Patent JP2023115931
Kind Code:
A
Abstract:
To provide a cold heat recovery facility capable of suppressing freezing of fluid flowing in a heat exchanger while recovering cold heat of liquid hydrogen, and a ship.SOLUTION: A cold heat recovery facility comprises: a liquid hydrogen tank for storing liquid hydrogen; a first circuit configured to circulate a first working medium; a second circuit configured to circulate a second working medium having a freezing point higher than that of the first working medium; a first expansion turbine provided in the first circuit; a second expansion turbine provided in the second circuit; a first heat exchanger that vaporizes liquid hydrogen from the liquid hydrogen tank by heat exchange with the first working medium; and a second heat exchanger that vaporizes the liquid first working medium by heat exchange with the second working medium. The first circuit and the first expansion turbine form a part of a first thermodynamic cycle utilizing liquid hydrogen as a low-temperature heat source in the first heat exchanger, and the second circuit and the second expansion turbine form a part of a second thermodynamic cycle utilizing the first working medium as a low-temperature heat source in the second heat exchanger.SELECTED DRAWING: Figure 2
Inventors:
TANAKA TOSHIMITSU
TAKADA AKIRA
TAKADA AKIRA
Application Number:
JP2022018348A
Publication Date:
August 22, 2023
Filing Date:
February 09, 2022
Export Citation:
Assignee:
MITSUBISHI HEAVY IND LTD
International Classes:
F02M21/06; B63B25/16; B63H21/38; F01K23/04; F01K25/10; F02M21/02; F02M31/16; F02M31/18; H01M8/04; H01M8/04007
Attorney, Agent or Firm:
SSIP Patent Attorney Corporation