Knowledge

Refrigeration equipment maintenance basics: ice blockage, dirt blockage, oil ...

How to solve the blockage failure in the refrigeration system is a concern for many users. The blockage of the refrigeration system is mainly caused by oil blockage, ice blockage or dirt blockage of t

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Working principle, installation and commissioning of thermal expansion valve

1. Introduction to Thermal Expansion Valve Thermostatic expansion valve is an important control component in the refrigeration system. It is mainly used to control the rate at which the refrigerant ch

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Refrigeration unit high and low pressure controller and oil pressure controller

The refrigeration unit pressure controller is a key component used to monitor and control the refrigerant pressure in the refrigeration system. In the refrigeration cycle, the refrigerant circulates b

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The temperature and pressure of the refrigeration system are abnormal. These ...

The compressor is a driven fluid machine that delivers gas and increases gas pressure. It is the heart of the refrigeration system and provides power for the refrigeration cycle, thereby realizing the

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Is the refrigeration system operating normally? These parameters can be used ...

When a refrigeration system fails, it is usually impossible to directly see where the fault occurs, nor is it possible to disassemble and dissect the components of the refrigeration system one by one.

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The concepts and significance of subcooling and superheat

1. Supercooling/subcooling degree Supercooling refers to further cooling the refrigerant that has been condensed into a saturated liquid so that its temperature is lower than the temperature of the sa

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Easy to understand, the working principle of screw compressor and slide valve...

The screw compressor is composed of a pair of parallel and interlocked female and male screws, and is widely used in medium and large refrigeration systems. Screw compression is divided into two types

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Common faults and maintenance strategies of screw compressors

The screw refrigeration compressor belongs to the volume type compressor, which compresses the gas based on the change in volume. Screw refrigeration compressors are further divided into single screw

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