Efficient defrosting system and method for evaporator exhaust pipe of cold storage

An evaporator and cold storage technology, applied in the field of high-efficiency defrosting system for evaporator pipes in cold storage, can solve problems such as long defrosting time, influence of storage temperature, and large energy waste, so as to reduce labor costs, avoid manual labor, and improve energy efficiency. The effect of utilization

Active Publication Date: 2019-01-04
CHANGZHOU UNIV
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Problems solved by technology

The disadvantage is that the defrosting time is longer, which has a certain impact on the storage temperature
The disadvantage is that microwave defrosting is still used when the frost layer is thin, which wastes a lot of energy

Method used

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  • Efficient defrosting system and method for evaporator exhaust pipe of cold storage
  • Efficient defrosting system and method for evaporator exhaust pipe of cold storage
  • Efficient defrosting system and method for evaporator exhaust pipe of cold storage

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Embodiment Construction

[0033] The present invention is described in further detail now in conjunction with accompanying drawing. These drawings are all simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, so they only show the configurations related to the present invention.

[0034] Such as Figure 1 to Figure 4The shown high-efficiency defrosting system for the evaporator row 15 of the cold storage is the optimal embodiment of the present invention, and is used for defrosting the evaporator row 15 . The defrosting system includes a PLC controller 11, and also includes a metal inner cover 6 that is covered on the evaporator row pipe 15. A photoelectric thickness sensor 12 is fixed on the top surface of the evaporator row pipe 15, and the photoelectric thickness sensor 12 is connected with the PLC control. The device 11 is connected with a line, and the PLC controller line is connected with a PLC working power supply. PLC working ...

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Abstract

The invention provides an efficient defrosting system and method for an evaporator exhaust pipe of a cold storage. The defrosting technology based on the combination of microwave defrosting and physical and chemical defrosting is utilized so that a large amount of manual labor can be avoided, the labor cost is reduced, and the situation that workers enter the storage and influence the cold consumption is avoided. Meanwhile, the influence of microwaves on a refrigerant in the evaporator exhaust pipe is avoided, and the defrosting efficiency and the energy utilization rate are effectively improved.

Description

technical field [0001] The invention relates to the technical field of cold storage refrigeration equipment, in particular to a high-efficiency defrosting system and a defrosting method for an evaporator pipe arrangement in a cold storage. Background technique [0002] The frosting of the cold storage evaporator tube will increase the flow resistance of the air, and the thickening of the frost layer will cause the heat transfer performance to decrease. Therefore, defrosting is very important for the operation of the cold storage evaporator. [0003] The current defrosting methods for cold storage include electric defrosting, manual defrosting, hot air defrosting, water flushing and compressed air defrosting. Electric defrosting is simple and easy to implement, and it is easy to realize automation, but the power consumption is high. Manual defrosting has little effect on the temperature of the storage, but the labor intensity is high. In addition, because the personnel have ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F25B39/02F25B47/02
CPCF25B39/02F25B47/022
Inventor 曹玉春沈冰燕李森周年勇
Owner CHANGZHOU UNIV
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