The operating efficiency of a vacuum pump is closely related to the characteristic curve and affected by the sealing water temperature of the vacuum pump. Tests have been put on the vacuum pump based on the analysis of the characteristic curve, and the circulating water system is reformed to control the temperature of the sealing water. The energy consumption of the equipment decreases, the operation stability improves, and the cost of the equipment is reduced. Furthermore, the benefits brought by the adjustment are verified through data analysis.
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