Precautions for the use of vacuum drying oven

1 The shell of vacuum box must be effectively grounded to ensure safe use 2 When the vacuum tank does not need to be used for continuous pumping, the vacuum valve shall be closed first, and then the power supply of the vacuum pump shall be closed, otherwise the vacuum pump oil shall be poured into the tank 3 Take out the handled articles and tear them If the inflammable articles are handled, they can only be put into the air after the temperature is cooled below the ignition point, so as to avoid combustion caused by oxidation reaction 4 If not necessary, do not open the side door at will to avoid damaging the electrical system 5 There is no explosion-proof device in the vacuum box, and explosive materials shall not be put into it for drying 6 The equipment shall be equipped with special air switch 7 The electrical insulation is intact, and the equipment shell must have reliable protective grounding or protective zero connection 8 A cross filter is arranged between the vacuum tank and the vacuum pump to prevent the wet body from entering the vacuum pump 9 When the electric vacuum drying oven is used, it must be supervised by a special person to ensure the normal operation of the equipment 10 When taking out the handled articles, if the inflammable articles are handled, they can only be put into the air after the temperature is cooled to below the ignition point, so as to avoid combustion caused by oxidation reaction 11 The vacuum pump oil should be changed frequently 12 This equipment is not equipped with explosion-proof device, and explosive materials shall not be put into it for drying 13 In case of any abnormality in the electric vacuum drying oven, it shall be checked and maintained in time If the failure cannot be accurately judged, it is necessary to contact the technical department of the purchasing company 14 If the vacuum box is not used for a long time, neutral grease or vaseline shall be coated on the electroplated parts to prevent corrosion, and plastic film dust cover shall be put on to prevent it from being used in a dry room, so as to prevent the electrical parts from being affected by moisture 15 The vacuum box should always be kept clean The door glass should be wiped with soft cotton cloth Do not wipe with reactive chemical solvent to avoid chemical reaction and scratch of glass