Method for storing and utilizing natural cold energy and underground low temperature storage
A natural cold energy and low-temperature storage technology, applied in the field of cold storage methods and low-temperature storage, can solve the problems of insufficient energy storage effect, occupying ground space, and short energy storage time, so as to achieve good energy storage effect and save ground space , the effect of keeping the temperature constant
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[0013] A method for storing and utilizing natural cold energy, which comprises the following steps:
[0014] a. In the cold season, the cold air above the ground is introduced below the permafrost layer on the ground, so that the natural cold storage body such as soil and the storage warehouse built underground are frozen and stored, and the air after the cold energy is stored is discharged from the ground to above the ground ;
[0015] b. In the warm season, the natural cold storage body such as frozen soil and the storage body built underground are thawed, and the cold energy is released to cool the storage in the storage.
[0016] Underground cryogenic storage using the above method, such as figure 1 , figure 2 As shown, it includes a warehouse 1 built underground, a heat insulation layer 2 is provided between the top of the warehouse 1 and the ground, and a retaining wall 4 that is separated from the warehouse 1 to form an air duct 3 is provided around and at the bottom...
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