Knowledge

Common Unit Conversion and Refrigeration Fundamentals

1. Work, energy, horsepower, cooling capacity  1 joule (j) = 1 watt (w) × 1 second (s) (1) Energy unit: National system: j, kj; British system: cal, kcal 1 j = 0.2388 cal (2)Power unit: Nationa

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Process flow of cleaning treatment plan for cooling tower of refrigeration unit

The cooling tower is exposed to outdoor environments for a long time, and the strong adsorption force of its fans causes a large amount of sediment and dirt to be sucked into the tower. Over time, the

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Analysis of Throttling Mechanisms in Refrigeration Systems: Types, Functions,...

The throttling mechanism is a key component in refrigeration systems, whose main function is to restrict the flow area of refrigerant or change the shape of the flow channel, thereby throttling the fl

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How to judge the operating status of refrigeration equipment and fault analys...

Refrigeration equipment is composed of refrigeration system and electrical system, and its operating state is closely related to the working environment and conditions, so the failure analysis of refr

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Effect of moisture and non-condensable gases on refrigeration equipment

In the refrigeration system, the refrigerant contains various foreign substances such as water, non-condensable gas, refrigeration oil, metal chips, grease, fibers, dust, etc., which have a great impa

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Common auxiliary equipment and functions of refrigeration and refrigeration s...

1. Oil separator Using the different densities of oil and refrigerant, when the cross-section of the channel increases suddenly, the flow velocity drops sharply (from 10~25m/s to 0.8~1m/s), the heavie

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Compressor performance and common faults are tested on a basic basis

1. Inspection method for compressor suction and exhaust energy First, remove the compressor, power it up, plug the exhaust hole of the compressor with your finger for a moment, and then remove your fi

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There are three common reasons for overcurrent protection of compressors

To put it simply, there are three reasons for the overcurrent of the compressor: The condensing pressure of the refrigeration system is too high; Too much refrigerant in the refrigeration system; The

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