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Freezing system with hot-liquid defrosting function

A technology for hot liquid defrosting and freezing systems, which can be used in defrosting, refrigerators, refrigeration components, etc., and can solve problems such as insufficient defrosting effects

Active Publication Date: 2008-10-15
IND TECH RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0005] In order to solve the above problems, the present invention proposes a refrigeration system for hot liquid defrosting, which uses no power-consuming hot liquid for defrosting, avoids insufficient defrosting effect due to low temperature, and saves energy by using Type liquid-gas separation method to avoid liquid compression, no matter whether it is in the defrosting state or not, it has the effect of saving energy

Method used

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  • Freezing system with hot-liquid defrosting function
  • Freezing system with hot-liquid defrosting function
  • Freezing system with hot-liquid defrosting function

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Embodiment Construction

[0024] According to the refrigerating system of hydrothermal defrosting disclosed by the present invention, please refer to " figure 1 ", which includes a compressor 11, a condenser 12, an expansion valve 13, an evaporator 14, a defrosting control valve device 20, a hot liquid defrosting auxiliary device 30 and a superheat adjustment liquid storage module 40, and the outlet of the compressor 11 is connected Between the condenser 12 and the hot liquid defrosting auxiliary device 30, the outlet of the condenser 12 is connected to the superheat adjustment liquid storage module 40, and is connected to the expansion valve 13 and the defrosting control valve device 20, and both are connected to the evaporator 14, and is connected to the compressor 11 by the hot liquid defrosting auxiliary device 30, and the evaporator 14 is connected to the inlet of the compressor 11 after adjusting the liquid storage module 40 by superheat.

[0025] During normal freeze cycle operation, see " fig...

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Abstract

There is disclosed a hot liquid frost-removing freezing system, in which the working fluid at the outlet of the condenser doesn't pass through the expansion valve but is led into the evaporator directly to defrost the evaporator. A hot liquid defrosting auxiliary device leads directly the working fluid at the outlet of the compressor to prevent the storage of defrosting temperature, and meanwhile a overheat adjusting liquid storage module is mounted in front of the compressor inlet to prevent liquid from being compressed.

Description

technical field [0001] The invention relates to a refrigeration system, which is applied to a freezer, in particular to a refrigeration system utilizing hot liquid for defrosting. Background technique [0002] The basic principle of general refrigeration equipment is to use compressors, evaporators, condensers, expansion valves and other equipment to connect to each other with pipelines, and use the compressor to operate to push out the refrigerant inside the pipeline at high temperature and high pressure, and then pass through the condenser, expand The valve becomes a low-temperature state, and when it passes through the evaporator, it can provide cold energy, and finally returns to the compressor for compression to form a refrigeration cycle. Among them, in the process of evaporator, the cold energy is output (absorbing external heat energy), so the part of the evaporator is easy to absorb the external water vapor and has the phenomenon of frosting. Excessive accumulation ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F25D21/06F25B47/02
Inventor 钟弘道谢文德刘中哲
Owner IND TECH RES INST
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