Dwyer Switch 43006

08/26/2020

【Special topic】Summary and development of scroll refrigeration compressor technology

　1. There is no reciprocating mechanism, so the structure is simple, small in size, light in weight, few parts (especially few wearing parts), and high reliability;

09/05/2020

What is the basis for the rated flow when selecting the filter

When selecting a filter, the rated capacity should not be selected according to the diameter of the pipe, but the nominal flow of the filter (nameplate flow) should be selected according to the volumetric flow of the compressed air passing through the filter.

02/01/2023

What is Gear Ratio?

Gear ratio, i.e., the reduction ratio of the reducer, refers to the ratio of the instantaneous input speed to the output speed in the reduction mechanism, and is represented by the symbol "i".

07/07/2020

Behind the tearing of enterprises the central air conditioning market is facing a crisis

Behind the tearing of enterprises the central air conditioning market is facing a crisisIn fact, in the slump of the home appliance market in the past few years, the central air-conditioning market has been "another vigorous scene."

06/14/2020

Cold storage system composition control and operation process

Cold storage system composition control and operation process 1. Composition of small cold storage system As shown in the figure, the figure is a refrigeration device composed of a cold storage, mainly including: refrigeration compressor, chiller, therm器2䀀
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06/29/2020

How the compressor works

08/15/2020

The difference between cold storage aluminum row evaporator and seamless steel tube evaporator

When we choose to install cold storage, we usually encounter material selection problems. The advantages of the aluminum row evaporator are space saving, lightness, energy saving and environmental protection, convenient installation, etc.

08/15/2020

Is the filter of the refrigerator clean or replaced

What is the filter of the refrigerator? Regardless of whether the refrigerator is air-cooled or water-cooled, there is actually a filter. The filter is generally used together with a desiccant, called a drier. What is the function of the filter?

06/30/2020

Causes of compressor burnout

Causes of compressor burnout Common failures of compressors are mainly the following three: 1. Motor burned out; 2. Liquid shock; 3. Oil shortage caused by refrigeration oil. 　　 Today I will give you a detailed analysis of the cause of the motor burnout.

08/30/2020

Current situation and application of compressor rotor materials

With the development of science and technology, the rotor materials of screw compressors and centrifugal compressors have made great progress and changes nowadays. The author has done some research experiments on this, and this article briefly talks about it.