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        Structural characteristics of vacuum pump

        (1) Overall structure type of pumpThe arrangement structure of the pump body of the vacuum pump determines the overall structure of the pump.The intake and exhaust ports of the vertical structure are set horizontally, and the assembly and connecting pipelines are more convenient. However, the center of gravity of the pump is high and the stability is poor during high-speed operation, so this type is mostly used for small pumps.The air inlet of the horizontal pump is at the top and the air outlet…


        Correct use and maintenance of vacuum pump

        1. Check the oil level frequently. If it does not meet the requirements, adjust it to meet the requirements. When the vacuum pump is running, the oil level shall be subject to the center of the oil standard.2. Regularly check the oil quality. If the oil is deteriorated, replace it with new oil in time to ensure the normal operation of the vacuum pump.3. The oil change period shall be considered according to the actual service conditions and whether it can meet the performance requirements, and s…


        Analysis on damage factors of dry screw vacuum pump

        1、 Cause analysis of surface corrosion of screw pump rotorThe feed medium of the vacuum pump contains sulfur dioxide and water. Sulfur dioxide combines with water to form sulfurous acid. Sulfurous acid has a corrosive effect on metals. In order to prevent corrosion of rotor and pump cavity, Teflon layer is coated on the surface of rotor and pump cavity. Corrosion of rotor and pump chamber indicates that the layer is damaged and sulfite has corroded to the pump chamber.2、 Failure analysis of Te…