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07/23/2020

Share┃Causes and solutions for ice block, dirty block, and oil block

Foreword: The blockage of the refrigeration system is mainly caused by the ice blockage, dirty blockage or oil blockage of the capillary tube, or the dirty blockage of the dryer filter.

08/14/2020

How to deal with the leakage of refrigerant in the battery test box

The battery test chamber is cooled by an air-cooled compressor. Its working principle is the same as that of air-conditioning. In the refrigeration process, a refrigerant is used for cooling.

08/20/2020

What is the role of moisture barrier in cold storage cost engineering

What is the role of the moisture barrier in the cold storage cost project? Some people think that it doesn't matter whether it is used or not, and it can save a little cost if it is not used. In fact, it is not as simple as you think.

08/20/2020

Aftertaste the college entrance examination how many points can you answer this set of cold storage test papers

This year's college entrance examination is over, Chinese, mathematics, science and comprehensive...These subjects rigorously and scientifically test the students' ability to take the test.

06/14/2020

Rotor compressor

The rotor compressor is driven by the engine or the motor (mostly driven by the motor), and the other rotor (also known as the female rotor or the concave rotor) is driven by the oil film formed by the main rotor through oil injection, or by the main roto器2䀀
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07/16/2020

How to see if the refrigerant leaks in the high and low temperature test chamber

How to check whether the refrigerant leaks in the high and low temperature test box; the standard high and low temperature test box and the constant temperature and humidity test box are all selected by the air-cooled compressor, and the working principle is the same as that of the air conditioning refrigeration

09/04/2020

The difference between air compressor inverter and soft starter

Soft starter concept 　　Soft start (also known as soft starter, motor soft starter, soft starter) 　　Soft start is a novel motor control device that integrates motor soft start, soft stop, light load energy saving and multiple protection functions.

07/07/2020

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

09/08/2020

Several major misunderstandings for air compressor oil! ! !

When the air compressor is working, the surface of the moving parts will produce severe friction. The function of air compressor oil is to form a good oil film between moving parts, separate the contact surfaces, replace dry friction with wet friction, and turn solid friction into liquid friction.

08/03/2020

Do you know the five hidden dangers of air conditioning installation

Air conditioning equipment is risky. If there is a problem of negligence during the installation process, for air conditioners, the industry has always had a saying of "three points of quality and seven points of equipment".