The refrigeration effect of industrial chiller depends on its quality. But the industrial chiller always has wear and aging in the process of use, so it needs regular maintenance, analysis and recording of its operating parameters, listening to the sound of operation, checking the use of snow and refrigeration oil, and regular maintenance and other operations. Daily maintenance of industrial chillers can be considered from the following five points:

1. Clean the condenser and evaporator regularly

The condenser / evaporator is the second most important component of the industrial chiller. It is better to clean it once a half year. The cooling water of the water-cooled condenser is an open circulating circuit, and the tap water is recycled through the cooling tower, which is easy to decompose and deposit impurities and form scale on the water pipe, which affects the heat transfer effect. If the scale is too thick, the flow section of cooling water will be reduced, the amount of water will be reduced, and the condensation pressure will rise. Therefore, when the quality of tap water is poor, it is best to clean it at least once a year to remove the scale in the pipe, and it is best to carry out water treatment operation on the tap water.

2. Check the compressor regularly

The compressor is the "heart" of the chiller, and its quality directly affects the stability of the chiller. If the compressor fails to repair, the cost is relatively high, especially the screw compressor has high precision and high price. Therefore, if you hear the compressor has abnormal sound or other conditions, you must contact the chiller manufacturer to find a professional engineer to repair, find out the reason and carry out maintenance.

3. Check the safety valve regularly

The condenser and evaporator of the industrial water chiller are pressure vessels. According to the regulations, the safety valve should be installed on the high-pressure end of the water chiller, that is, the condenser body. Once the water chiller is in an abnormal working environment, the safety valve can automatically relieve the pressure, so as to prevent the possible harm to human body caused by high pressure.

4. Replace the drying filter regularly

The drying filter is an important part to ensure the normal circulation of refrigerant. Because water and refrigerant are not compatible with each other, if there is water in the system, the operation efficiency of the chiller will be greatly affected. Therefore, it is very important to keep the system dry, and the filter element inside the drying filter must be replaced regularly.

5. Change the lubricating oil regularly

After long-term use of industrial chillers, the quality of lubricating oil will become worse, and the impurities and moisture in the oil will increase, so it is necessary to observe and check the oil quality regularly. Once the problem is found, it should be replaced in time, and the brand of lubricating oil to be replaced should be subject to that provided by the original manufacturer.

For the maintenance of industrial water chillers, I would like to share with you here. Industrial water chillers are widely used in plastic, electroplating, electronics, chemical, pharmaceutical, printing, food processing and other industries where chilled water is used in freezing process, or can also provide comfortable air conditioning for villas, restaurants, hotels, institutions, schools, factories and other activities.

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