LYC Bearing 51413

07/20/2020

What are the specific operation methods for the maintenance of cold storage screw compressors?

　 Before the cold storage screw compressor must be overhauled, if possible, unload the slide valve to the "0" position, shut down normally, and cut off the power supply. The pipeline connected to the compressor should be cut off and the refrigerant and lubricating oil in the compressor should be discharged before the compressor can be disassembled.

08/21/2020

Factors affecting heat transfer on the refrigerant side

1.Flow direction and velocity of steam In the condenser, when the refrigerant vapor contacts the low-temperature wall surface, it exotherms and condenses into a liquid film, and flows downward under the action of gravity.

08/18/2020

How to maintain the cooling tower

1. Replacement of fillers. Inferior fillers have weak rigidity, poor load-bearing capacity, and are easy to deform and fall loose, which will directly lead to poor cooling effect or loss of cooling capacity.

07/27/2022

Classification of Vane Pumps

During a rotation cycle, the volume between adjacent vanes changes because of the rotor’s eccentric mounting position. This creates the pumping action.

08/05/2020

Basic knowledge of air source heat pump at a glance

1. What is a heat pump?<br></br> 　　 Heat pump is not a water pump, or even a pump, but a complete set of equipment. The English name of heat pump, heatpump, has 2 definitions:

06/14/2020

The selection of the central air conditioner depends not only on the brand, the internal compressor is also very important, several types of compressors commonly used in central air conditioning;

The selection of the central air conditioner depends not only on the brand, the internal compressor is also very important, several types of compressors commonly used in central air conditioning; 1. Classification of common compressors 1. Single rotor器2䀀
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08/03/2020

How to improve the energy efficiency of chilled water air conditioning systems in data centers

Frozen water-type air conditioning systems have long been a mature application in data centers, but many users are still conservative in their applications.

09/05/2020

For air compressor brands, how do you choose between domestic and imported

What is the difference between a domestic brand air compressor and an imported brand air compressor? Should you choose a domestic brand air compressor or an imported brand air compressor? How to choose as a user?

06/29/2020

Compression ratio of American Copeland compressor

09/04/2020

In the nitrogen generator system, are the gas storage tanks and refrigeration dryers necessary equipment

Users often ask about nitrogen generators. After some understanding and communication, I asked users, if you buy a nitrogen generator, how big is the gas storage tank?