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The Solution to the Unstable Operation Effect of Industrial Chillers

ClassificationIndustry News 33

The Solution to the Unstable Operation Effect of Industrial Chillers


If the performance of the industrial chiller is not very stable during operation, it is best to find out the specific reason in time and take corresponding measures to solve it. In many cases, its performance has a very important relationship with everyone’s operation. The following content is the solution to the problem of unstable performance of industrial chillers.

The main function of industrial chillers is to provide chilled water to equipment/products to achieve the purpose of cooling. It is an indispensable part of industries such as plastics, electronics, chemicals, food preservation, ink printing, pharmaceuticals, and machinery supporting industries. The cooling effect of a screw industrial chiller depends on its quality.

But we all know that screw chillers will always wear out during use. Therefore, we need to regularly record and analyze its operating parameters, listen to the sound made during operation, check the use of refrigerants and refrigeration oil, etc., and Perform regular maintenance on it. The daily maintenance of screw industrial chillers is very simple. It is recommended that users consider the following points:

1. Regularly check the screw industrial chiller compressorcryogenic cooling chiller

The compressor is the “heart” of the screw industrial chiller, and its quality directly affects the stability of the screw industrial chiller in use. If the compressor breaks down and needs to be repaired, the cost is relatively high, especially the high precision and high price of the screw compressor. Therefore, if you hear abnormal sound from the compressor or other conditions, you must contact the screw industrial chiller factory to find a professional engineer to check, find out the cause and perform maintenance.

2. Regularly clean the condenser and evaporator of the screw industrial chiller

The condenser/evaporator is the second most important component of the screw industrial chiller, and it is best to clean it every six months. The cooling water of the water-cooled condenser is an open circulation loop. The tap water used is recycled through the cooling water tower. It is easy to decompose and deposit impurities to form scale on the water pipe, which affects the heat transfer effect. Excessive scaling will also reduce the circulation section of cooling water, reduce the amount of water, and increase the condensation pressure. Therefore, when the quality of the tap water used 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 perform water treatment on the tap water.

3. Regularly inspect the safety valve of the screw industrial chiller

Both the condenser and the evaporator of the industrial chiller are pressure vessels. According to regulations, a safety valve should be installed on the high-pressure end of the screw industrial chiller, that is, the condenser body. Once the unit is in an abnormal working environment, the safety valve can be Automatic pressure relief to prevent possible damage to the human body caused by high pressure.

4. Regularly replace the lubricating oil of the screw industrial chiller

After the screw industrial chiller is used for a long time, the oil quality of the lubricating oil will deteriorate, and the impurities and moisture inside the oil will increase, so the oil quality should be checked regularly. Once a problem is found, it should be replaced in time. The brand of lubricating oil to be replaced should be based on the one provided by the original manufacturer.

5. Regularly replace the drying filter of the screw industrial chiller

The dry filter is an important part to ensure the normal circulation of the refrigerant. Since water and refrigerant are incompatible with each other, if the system contains moisture, it will greatly affect the operating efficiency of the screw industrial chiller. Therefore, it is very important to keep the inside of the system dry, and the filter element inside the drying filter must be replaced regularly.

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