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07/27/2020

Detailed explanation of screw compressor structure and working principle

Screw compressors, also called screw compressors, include screw air compressors and screw process compressors (vinyl chloride compressors, etc.).

08/18/2020

Solutions to minor failures of chillers and methods to ensure low failure rates

Chillers are usually in daily work, some minor faults are unavoidable, but users can solve these minor faults by themselves. The editor of okmarts.com will introduce how to solve minor faults and help users. Reduce maintenance costs.

08/16/2020

What parameters should be understood when choosing a central air-conditioning air-cooled heat pump unit

You must be familiar with central air-conditioning, but did you know that there is a unit in central air-conditioning called a cold and heat pump unit? The work of central air-conditioning is inseparable from it.

08/24/2020

How to use refrigerant to empty the air conditioner after installation

Air, the moisture and impurities contained in the air in the air conditioner system will cause increased pressure, increased current, increased noise, increased power consumption, etc.,

06/29/2020

Suggestions for troubleshooting of compressor with liquid start

07/17/2020

Cold storage installation and cold storage installation selection

First, the cold storage installation should pay attention to the following: the type of cold storage 1, according to temperature: A, high temperature cold storage (plus or minus 5 degrees Celsius): suitable for fruit and vegetable preservation; B, medium temperature cold storage (minus 10 degrees-minus 5 degrees):

06/24/2020

What to do if the refrigerator does not cool in winter

1.If it is because of the weather, you need to change the refrigerator to another location. 2. When used in winter, you can turn on a compensation switch in the refrigerator. 3. It is necessary to check whether the compressor is damaged. 4. If the modulation gear is incorrect, you can adjust the gear higher. 5. If the refrigerant is not enough, the problem of non-refrigeration can be solved after the fluorine content is added.

07/16/2020

Three factors determine the quality of cold storage

The size of the cold storage should be designed according to the highest amount of agricultural products to be stored throughout the year. This capacity is calculated based on the volume that the stored products must occupy in the cold storage, plus the aisles between the rows, the space between the stack and the wall and ceiling, and the gap between the packaging.

06/14/2020

HVAC knowledge

1. The expansion water tank is used in the heating system to store the amount of expansion water after the system is heated. It serves as an exhaust gas in the natural circulation for the lower return system. In addition, it can also function as a constanﰸ2䀀
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09/03/2020

What is the maximum flow condition of a centrifugal compressor

The working condition when the flow reaches the maximum is the maximum flow working condition. There are two possibilities for this working condition: