Industry News

  • What are the functions of refrigeration oil?

    What are the functions of refrigeration oil?

    In a compressor, refrigeration oil mainly plays four roles: lubrication, sealing, cooling and energy regulation. (1) Lubrication Refrigeration oil plays a lubricating role in the operation of the compressor to reduce the friction and wear of the compressor, thereby extending the service life of t...
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  • Refrigeration knowledge:How to judge the tripping fault of cold storage room?

    Refrigeration knowledge:How to judge the...

    How to judge the tripping fault of cold storage room? 1. Determine the tripping type Leakage protection tripping → insulation problem (measure insulation resistance) Main switch tripping → overload/short circuit (check current/line) No leakage protection tripping → short circuit troubleshooting (...
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  • 8 Refrigerant Charging Methods and Their Pros and Cons

    8 Refrigerant Charging Methods and Their ...

    The refrigerant charge of a refrigeration system is critical to the operation of the system. Insufficient charging will result in insufficient evaporation of the evaporator, too low suction pressure of the compressor, reduced cooling capacity, and even overheating of the compressor. Overcharging ...
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  • What is a semi-buried cold storage room door? What are the installation requirements?

    What is a semi-buried cold storage room d...

    The semi-buried door of cold storage room is a special door for cold storage, usually used in places where goods need to be frequently entered and exited, such as food processing plants, logistics centers, etc. Its design feature is that the door body is partially embedded in the ground, the lowe...
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  • Cold Storage Room Installation and Construction Standards

    Cold Storage Room Installation and Constr...

    1. Building environment requirements Floor treatment: The floor of the cold storage needs to be lowered by 200-250mm, and the early floor treatment must be completed. The cold storage needs to be equipped with drainage floor drains and condensate discharge pipes, while the freezer only needs to ...
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  • 40 Refrigeration Equipment Chillers, Refrigerator, Freezer Basics

    40 Refrigeration Equipment Chillers, Refr...

    1. The heat absorbed by the refrigerant from the cooled space medium when it boils and vaporizes in the evaporator is called the refrigeration capacity of the refrigeration system. 2. In addition to the gas-liquid state change, the refrigerant will also have a liquid-gas state change during the c...
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  • What are the operating steps for draining the ammonia refrigeration system?

    What are the operating steps for draining...

    When draining the ammonia system, the operator should wear glasses and rubber gloves, stand on the side of the drain pipe and work, and must not leave the operating location during the draining process. After draining, the draining time and the amount of oil drained should be recorded. 1. Open th...
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  • How To Effectively Improve The Refrigeration Effect Of Cold Room Projects?

    How To Effectively Improve The Refrigerat...

    If you want to improve the refrigeration effect of cold storage projects, the most important thing is to choose a refrigerant that suits you. There are actually many different types of refrigerants in the current market, and these refrigerants will also affect the refrigeration effect of refriger...
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  • What are the safety devices and functions of cold storage?

    What are the safety devices and functions...

    1. The quality of the manufacturing materials of the refrigeration device must meet the general standards of mechanical manufacturing. Mechanical materials that come into contact with lubricating oil should be chemically stable to the lubricating oil and should be able to withstand changes in tem...
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  • How to avoid excessive noise of the commercial display refrigerator/ freezers

    How to avoid excessive noise of the comme...

    Many customers in the use ofcommercial display refrigerator/ freezers, often due to excessive noise in the cabinet and trouble, not only affect the mood of the user, but also affect the business of the store. How to do to avoid the freezer noise too much? First of all, we need to figure out the ...
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  • Supermarket display speed becomes 8 -step method

    Supermarket display speed becomes 8 -step...

    一、 Display content 1. Simple piles (swing) of the product can not be considered displayed As far as the supermarket is concerned, it is the significance of displaying and buying with the eyes of customers to facilitate finding and buying. 2. Display skills With the eyes of customers, the produc...
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  • Cold storage defrost knowledge and skills

    Cold storage defrost knowledge and skills

      Cold storage defrost is mainly due to the frost of the surface of the evaporator in the cold storage, reducing the humidity in the cold storage, hindering the heat transmission of pipelines, and affecting the refrigeration effect. 一. Cold storage defrost measures   1. Hot gas defrost   The h...
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