Maintenance of vacuum dryer

For the maintenance of vacuum dryer, the following points should be paid attention to: 1 After the completion of production, if the vacuum drying oven is not used for a long time, the components should be cleaned, especially the sealing strip of the oven door, to prevent aging Close the door of vacuum drying oven tightly, do not screw the locking device of the door too tightly to prevent deformation, and cut off the power and water supply 2 When it is not used for a long time, the box body shall be cleaned regularly Please do not use the liquid with strong acid and alkaline strength for cleaning Clean it with clear water After cleaning, pay attention to dry the water 3 The vacuum pump oil of counter rotating vane type vacuum pump shall be changed regularly, once or twice a month If it is to be used for a long time, the vacuum pump oil must be drained after the next use, and new vacuum pump oil shall be injected before the next use
4 For the water ring vacuum pump, the circulating water shall be replaced every day If it is to be used for a long time, the water inside the vacuum pump must be drained after the later use When the temperature is lower than zero in winter, the water inside the vacuum pump must be drained every day Before the next use, pay attention to whether the vacuum pump is rusted If it is rusted, remove the back cover of the vacuum pump motor and screw it with tools The motor shaft is OK 5 In case of any fault during normal use, the equipment shall be reported to the manufacturer immediately, and shall not be disassembled by itself to avoid serious damage 6 The common spare parts need to be replaced when they are out of date If the vacuum gauge is damaged, the new vacuum gauge should be replaced immediately The sealing strip is aged due to its age, and it should be purchased from the manufacturer After each valve is used for a long time, it will cause the Teflon sealing ring in the valve to wear and tear, so that the vacuum cannot be pumped to a reasonable value The new air valve should be replaced immediately.