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Solution cooling and dehumidification based small and medium-sized frost-free refrigerator refrigeration device

A solution cooling and refrigeration device technology, which is applied in the direction of household refrigeration devices, cooling fluid circulation devices, coolers, etc., can solve the problems of cooling coil frosting, refrigeration system operation impact, etc., to achieve small condensation load and cold storage temperature fluctuations Small, to avoid the effect of frosting on the surface

Active Publication Date: 2015-04-22
ZHEJIANG OCEAN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] Purpose of the invention: In view of the defrosting method of the existing cold storage and the impact of frost on the operation of the refrigeration system, this patent proposes the use of solution cooling and dehumidification composite refrigeration technology, which effectively solves the problem of frosting on the cooling coil

Method used

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  • Solution cooling and dehumidification based small and medium-sized frost-free refrigerator refrigeration device
  • Solution cooling and dehumidification based small and medium-sized frost-free refrigerator refrigeration device
  • Solution cooling and dehumidification based small and medium-sized frost-free refrigerator refrigeration device

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Embodiment Construction

[0019] Attached below image 3 The present invention is explained in detail.

[0020] Marking in the figure: 1 compressor, 2 solution condenser, 3 thermal expansion valve A, 4 thermal expansion valve B, 5 solution cooler A, 6 solution cooler B, 7 gas-liquid separator, 8 concentrated solution pump A, 9 Regenerator, 10 Dilute solution pump, 11 Concentrated solution pump B, 12 Dehumidification cooler A, 13 Blower A, 14 Medium temperature tuyere, 15 Solution total heat exchanger, 16 Concentrated solution reservoir, 17 Dilute solution reservoir , 18 low-temperature tuyere, 19 desiccant cooler B, 20 condenser, 21 liquid receiver, 22 pressure reducing valve, 23 blower B.

[0021] The cold storage device includes three cycles: a single-stage refrigeration cycle system, a solution dehumidification system, a medium-temperature air cycle system and a low-temperature air cycle system.

[0022] The refrigeration cycle system includes a compressor (1), a condenser (20), a solution condens...

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Abstract

The invention relates to a solution cooling and dehumidification based small and medium-sized frost-free refrigerator refrigeration device. A refrigerator comprises a medium temperature refrigerator and a low temperature refrigerator, wherein the refrigerator temperature of the medium temperature refrigerator is 0 to 5 DEG C and the refrigerator temperature of the low temperature refrigerator is minus 15 to minus 15 DEG C; the refrigeration device comprises three sub-systems of a refrigeration circulation system, a solution circulation system and an air circulation system; a main device is formed by a refrigeration compressor, a condenser, a liquid accumulator, a solution condenser, solution coolers (A and B), a regenerator, a concentrated solution accumulator and a diluted solution accumulator, a gas-liquid separator, a concentrated solution pump and a diluted solution pump, a solution dehumidifier and the like; the condensing heat of the condenser is provided for the heat required by the solution regeneration and a dehumidification solution is provided by the solution coolers (A and B) for cooling. According to the solution cooling and dehumidification based small and medium-sized frost-free refrigerator refrigeration device, a solution dehumidification and cooling technology is applied to the refrigerator and accordingly the problems of icing and frosting of the surface of a cooling pipe of the refrigerator can be solved thoroughly and the great significance is brought to the stable operation of the refrigerator temperature of the refrigerator and the energy conservation of the refrigerator.

Description

technical field [0001] The invention relates to the technical field of cold storage refrigeration, in particular to a medium-sized and small-sized frost-free cold storage refrigeration device based on solution cooling and dehumidification. technical background [0002] Small and medium-sized cold storage is widely used in small onshore cold storage, ship food cold storage, or small coastal and inland river refrigerated transport ships and fishery refrigerated ships. It is mainly used for refrigerated and frozen storage of cattle, pigs, poultry meat and other agricultural and sideline products. According to the temperature of the cold storage, the storage temperature of the high-temperature storage is generally maintained at 5-+10°C, and the storage temperature of the medium-temperature storage is generally maintained for grain storage. 0~+5℃, used for storing vegetables, fruits or dairy products, etc.; low-temperature storage room temperature is generally kept at -5~-15℃, us...

Claims

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Application Information

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IPC IPC(8): F25B47/02F25D13/00
CPCF25D13/00F25D17/06F25B41/20
Inventor 许光映徐宗师王家梁韩志
Owner ZHEJIANG OCEAN UNIV
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