Fuji Contactor SC-N4HRMC/VS2E

07/18/2020

Maintenance method for wear of refrigerator refrigeration compressor

　The application of screw refrigeration compressors is becoming more and more common, and some of them have entered the period of frequent failures. When the abrasion of the female and male rotors, body, and exhaust end seat of the refrigeration compressor reaches above 0.65rnm, vibration will occur when the refrigeration compressor is running, the sound is abnormal, the cooling capacity is reduced, and the compressor cannot work normally.

03/04/2021

Advantages of servo motor

Precision: the closed-loop control of position, speed and torque, and the problem of out of step of stepping motor is solved; Speed: high speed performance, general rated speed can reach 2000 ~ 3000 rpm;

07/07/2020

Earth Hour: Hitachi Central Air Conditioner works with you to speak for the earth

09/22/2020

The development history of single screw machine

1. The history and current situation of single screw compressor 　　 In 1960, France's B. Zimmern proposed the idea of ​​a single screw compressor and obtained a patent. In 1962, the first prototype was trial-produced, and it was officially produced and put on the market by Peugeot in the early 1970s.

08/02/2020

How to choose the right refrigerant for cold storage

The nature of the refrigerant will directly affect the type, structure, size and operating characteristics of the refrigerator, as well as the form, equipment structure, and economic and technical performance of the refrigeration cycle.

09/22/2020

Discussion on Calculation Method of Surge Line of Rich Gas Compressor

1 Introduction The catalytic cracking rich gas compressor is a kind of compressor, which is very representative. For this reason, the catalytic cracking rich gas compressor is taken as an example to discuss the calculation method of the surge line of the rich gas compressor control system.

08/24/2020

The principle of dehumidification is very different from dehumidifiers and air conditioners

Spring and summer are always humid and humid seasons in the south, especially in the rainy season. The whole house feels moldy. In the north, house-type problems can easily cause some rooms to be humid.

06/14/2020

Don't be afraid if the refrigeration system is clogged. Here are retrieval and cleaning methods

Don't be afraid if the refrigeration system is clogged. Here are retrieval and cleaning methods Typical features of clogging 1. The refrigerator or air conditioner does not cool for a long time. 2. The suction pressure drops, and even a vacuum statﰸ2䀀
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06/14/2020

Cold storage design selection series-refrigeration compressor

Refrigeration compressor is one of the main equipments in the cold storage. The correct selection is very important. The refrigeration capacity of the refrigeration compressor and the power of the matching motor are closely related to the evaporation tempﰸ2䀀
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08/20/2020

Protection device for air-cooled chiller refrigeration compressor

What are the protective devices of the air-cooled chiller refrigeration compressor? Are all explanatory? Let's learn about it with okmarts.com editor today!