Vacuum oven vacuum pump maintenance methods are there?

Vacuum drying oven is designed for drying heat-sensitive, easy to decompose and easy to oxidize the material designed to work to make the studio to maintain a certain degree of vacuum, and can be filled with inert gas, especially for some complex components can also be carried out Fast drying, the use of intelligent digital temperature regulator for temperature setting, display and control. Vacuum oven vacuum pump maintenance methods are there? 1, keep the pump clean to prevent debris from entering the pump; 2, to maintain the oil level. Vacuum oil can not be mixed with oil, in case of pollution, it should be replaced in time; 3, In the process of using, pumping gas containing moisture or other volatile substances is too high, such as the impact of the ultimate vacuum, consider oil change, First open the pump running for a few minutes, the oil thinning, emit dirty oil, drain oil at the same time, slowly add a small amount of clean vacuum pump oil from the intake port to flush the pump chamber; 4, in case of noise increase or sudden vacuum pump killed , Should quickly cut off the power, check; three-phase motor if you hear the motor buzzing but not see the vacuum pump operation, you must also quickly cut off the power, check, consider the motor may phase loss, check the line or connection point loosening; , The series of pump demolition: (1) drain the oil; (2) Loosen the intake flange screws, pull out the intake pipe; (3) Loosen the gas valve flange flange bolts (4) Remove the fuel tank; (5) Remove the check valve cotter pin and pull out the check valve impeller; (6) Remove the support and pump connection hex screws, loosen the pump coupling fastening screws, Pull out the pump assembly; (7) Loosen the two pump cover screws, carefully remove the pump cover and pull out High, low rotor and rotary vane; (8) cleaning the components to be loaded; 6, the pump assembly sequence of the series: (1) Rotary vane mounted on the spring, inserted into the rotor slot, (2) refer to (1) install advanced rotor method, install low-grade rotor; (3) install the check valve parts, Adjust the check valve head and oil hole plane, the height of the flat opening is 1.2 mm, when closed, the check valve head should seal the oil hole tightly, otherwise easy to cause the oil back; (4) Replace the exhaust valve; (5) Put the pump body, key and coupling back on the support; (6) Install the fuel tank, install the gas ballast valve (if the gas ballast valve) and the gas inlet pipe. Asia Fluid Network () Editor: Huang Nengwen, QQ:

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