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Frostless ice house

A technology of cold storage and brine, which is applied in the direction of coolers, cold rooms, household refrigeration devices, etc., and can solve the requirements of the high-humidity storage and fresh-keeping environment for fruits and vegetables, complicated construction and settings, and serious frosting of the evaporator, etc. problem, achieve the effect of reducing the number of times of switching on and off, prolonging the life, and high humidity

Inactive Publication Date: 2008-06-11
SHANDONG INST OF POMOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, in the small and medium-sized cold storages used for the storage and preservation of agricultural and sideline products, the evaporative refrigeration equipment in the cold room mostly uses air coolers and various forms of pipes, mainly through air convection heat exchange, the evaporator is easy to frost, and the humidity in the storage is low. Requirements for high-humidity storage and fresh-keeping environment for fruits and vegetables
Using the method of humidifying in the warehouse can make the evaporator frost more serious, and the cooling efficiency is greatly reduced, and the humidification effect is not ideal
High-humidity cold storage designed with the principle of brine indirect cooling, the construction and installation of brine equipment and storage tanks outside the storage are complicated, requiring good heat insulation conditions, so the loss of cooling capacity is large and the cooling efficiency is low

Method used

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  • Frostless ice house

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Embodiment Construction

[0009] The accompanying drawing is an embodiment of the present invention, including a refrigeration compressor unit 1, an evaporation pipe 2, a pressure reducing valve 3, and the like. The evaporating pipe 2 communicates with the refrigeration compressor unit 1 to form a cycle, and is equipped with a pressure reducing valve 3. The evaporating pipe 2 is placed in a shallow pool 5 provided at the bottom of the cold storage 4, and the shallow pool 5 contains a brine.

[0010] In order to improve the refrigeration effect in this embodiment, a liquid shower device is provided in the cold storage 4. The liquid shower device includes a circulation pump 6 and a spray pipe 7. The liquid inlet of the circulation pump 6 extends into the brine through a pipeline, and the circulation pump The liquid outlet of 6 communicates with spray pipe 7 through pipeline, and spray pipe 7 is arranged on the top in the cold storage. The spray pipe 7 can be arranged on the peripheral wall in the cold st...

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PUM

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Abstract

A small and medium frostless refrigeratory for keeping fresh of farm and sideline products is provided, which comprises a refrigeration compressor unit (1), a vaporize comb (2) and a reducing valve (3). The vaporize comb (2) is communicated with the refrigeration compressor unit (1) to form circulation, which is provided with the reducing valve (3); the vaporize comb (2) is arranged in a shallow pool (5) at bottom of a refrigeratory (4); the shallow pool (5) is internally provided with secondary refrigerant. The refrigeratory (4) is also internally arranged with a circulating pump (6) and a cascade device of a shower (7). The refrigeration compressor unit (1) sends the refrigerant to the vaporize comb (2) through the reducing valve (3) and the refrigerant can return to the refrigeration compressor unit (1) after absorb heat; the circulating pump (6) sends the secondary refrigerant to the shower (7) to spray in the refrigeratory (4). The invention is characterized in that: the cold volume is completely exchanged in the refrigeratory, so the invention has no dissipation and lose, large cold volume storage and is able to maintain a relative constant temperature of the refrigeratory, thereby reducing the times for opening and closing the refrigeration compressor, saving energy, prolonging the service life of the equipment, having no forest and high humidity, etc.

Description

1. Technical field: [0001] The invention relates to a small and medium-sized frost-free cold storage for storing and keeping agricultural and sideline products fresh. 2. Background technology: [0002] At present, in the small and medium-sized cold storages used for the storage and preservation of agricultural and sideline products, the evaporative refrigeration equipment in the cold room mostly uses air coolers and various forms of pipes, mainly through air convection heat exchange, the evaporator is easy to frost, and the humidity in the storage is low, which cannot reach To meet the requirements of high-humidity storage and fresh-keeping environment for fruits and vegetables. Using the method of humidifying in the warehouse can make the frosting of the evaporator more serious, and the cooling efficiency is greatly reduced, and the humidification effect is not ideal. The high-humidity cold storage designed with the principle of brine indirect cooling requires complex cons...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F25D13/00
Inventor 鲁墨森王淑贞王绛辉李军孙鹤宁倪玉凤
Owner SHANDONG INST OF POMOLOGY
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