Daily maintenance and cleaning methods of screw chillers

Daily maintenance and cleaning methods of screw chillers

Water chillers meet the refrigeration requirements of many companies. Among them, chillers are divided into screw chillers and scroll chillers. Generally, the cooling capacity is greater than 150KW, and screw chillers are used. This unit has a compact structure and works. High efficiency and simple operation. When most companies purchase chillers, they must consider the operating conditions and lifespan, and the daily operating conditions and lifespan are indispensable for regular daily maintenance and inspection. The following okmarts.com editor will introduce the specific steps to extend the life of screw chillers.

First of all, we must formulate rules and regulations for the cleaning and maintenance of screw chillers, and clean the evaporators, condensers, pipes, filters, cooling towers, etc. of the chillers every year to prevent impurities in the water from scaling. Affect the normal operation of the chiller.

　　 Regarding the cleaning method of the screw chiller, okmarts.com will give you a detailed introduction to the specific steps of cleaning the screw chiller by yourself, so that companies can clean the chiller by themselves, which is more simple, convenient and faster.

　　The cleaning process of the screw chiller is as follows: first inject the cleaning agent into the tank, then start the pump, make it run, and start cleaning. When cleaning, perform multiple operations in forward and reverse directions until the cleaning agent is not acidic. For mild pollution, as long as the circulation is about 1 hour. For severe pollution, it will take 3-4 hours. If cleaning for a long time, the cleaning agent is dirty, and the filter is clogged and dirty. You should replace the cleaning agent and the filter drier before performing this operation. After the system is cleaned, the cleaning agent is dirty and the filter is clogged and dirty. The cleaning agent in the reservoir must be recovered from the liquid pipe.

　　 After cleaning, the refrigeration pipeline should be purged with nitrogen and dried, and then filled with fluorine, and the unit should be debugged to ensure the normal operation of the chiller.

　　 Next, replace the compressor lubricant. The main function of lubricating oil on the compressor is lubrication, cooling and capacity adjustment. It is recommended that the clean condition of the lubricating oil should be checked every 3000 hours of operation of the chiller, and the lubricating oil should be replaced every 6000 hours of operation or every 1 year of operation. When changing the lubricating oil, you should use quality certified oil.

　　 The operator should always pay attention to the use of the unit. If the chiller has abnormal noise or malfunctions, it must be shut down in time to prevent secondary damage to the unit. And carry out troubleshooting according to the fault prompt in the control panel of the chiller. When the fault has not been eliminated, remember not to start the chiller. If you encounter a failure that cannot be eliminated by yourself, please contact okmarts.com in time for after-sales processing.