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Recent related posts
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07/18/2020
Explanation of the excellent performance of each component of the screw chiller
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.
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07/18/2020
The role of precision chillers in various industries
Piston refrigeration compressor liquid hammer process and reasons for liquid hammer 1. Introduction The phenomenon that liquid refrigerant and/or lubricating oil is sucked into the compressor cylinder with the gas and damaged the suction valve plate
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07/18/2020
The common fault analysis of refrigeration compressors is here!
Working condition and adjustment of refrigeration system of low temperature chiller Refrigerators are now widely used in the refrigeration industry, and the refrigerant is usually R22 (also R404a). In order to facilitate operation and maintenance and reduce the installation location, the refrigeration compressor, oil separator, water-cooled shell and tube condenser, filter drier
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07/18/2020
reasons why the constant temperature and humidity test chamber does not cool
1. Introduction The phenomenon that liquid refrigerant and/or lubricating oil damage the suction valve plate when the gas is sucked into the cylinder of the compressor, and it is produced when the piston is compressed when the piston is close to the top dead center and is not quickly discharged during the exhaust process after entering the cylinder.
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07/18/2020
The advantages and disadvantages of screw refrigeration compressor
Power compressor is indispensable when refrigeration equipment is cooling. Such as chillers, chromatography freezers, ice machines, ultra-low temperature refrigerators, etc., their driving force is the refrigeration compressor, the entire refrigerant cycle is the refrigeration compressor
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06/22/2020
The air conditioner suddenly stopped cooling.
1.The air conditioner remote control may not adjust the temperature. 2. It may be that the air conditioner has not been cleaned for too long, which causes dust to accumulate on the filter net, so that the cold air blocking the air conditioner cannot be blown out. 3. There may be leakage of freon in the air conditioner, resulting in too little freon, and the air conditioner is not cooled. 4. Energy saving is due to unstable voltage, which causes the air conditioner to not be cooled. 5. It may be that the number of air conditioners is insufficient, and the small number of horses is not used for cooling in a large area of the house.
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09/14/2020
Troubleshooting of high pressure air compressor
1-0.27/150 Type High Pressure Air Compressor Troubleshooting Method Fault Features Sound in the crankcase Possible cause a. The screw and nut of the connecting rod are loose. Whether the big-end bearing of the connecting rod is loose.
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06/21/2022
Classification and How Does a Transformer Work?
Transformers are electrical devices consisting of two or more coils of wire that are used to transfer electrical energy by means of a magnetic field.
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07/22/2020
The working principle of cooling and heating of air conditioning
In addition to the cooling function, the heating and cooling air conditioner also has the heating function. The biggest difference from a single-cooling air conditioner is that an electromagnetic four-way reversing valve is installed in the heating and cooling air conditioner.
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06/13/2020
What is the energy efficiency ratio of air conditioning
What is the energy efficiency ratio of air conditioning What does the air-conditioning energy efficiency ratio mean? How to calculate the air-conditioning energy efficiency ratio?