Because the vacuum system needs a lot of water for cooling. In order to save water, we generally use closed-loop cooling water system to provide DVE vacuum pump cooling water.

When the system is running, the temperature of the heat exchange between the condenser and the DVE vacuum pump water tank will reach 100 or even higher, and the minerals in the water will undergo chemical reactions, especially in the south, where the water is acidic and rich in minerals, which is very easy for DVE vacuum pumps. The cooling water cavity or condenser cooling pipe fouls, resulting in poor cooling effect, resulting in high operating temperature of the DVE vacuum pump, resulting in damage to the oil seal and bearing of the DVE vacuum pump, and even serious damage to the DVE vacuum pump.

Therefore, the quality of the cooling water and the cooling water cavity of the DVE vacuum pump must be checked regularly. Coupling test should be carried out before putting medicine into the cooling water system. Take the same material as the condenser and the water cavity of the DVE vacuum pump and soak it in the medicine. After the specified time, the content of corroded flakes in the medicament is compared according to the national standard or industry standard to determine the type and quantity of the medicament.
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