Overview and Working Principle of Vacuum Oil Filter

   It is an ideal equipment for filtering water, gas, and impurities in transformer oil, turbine oil, engine oil, hydraulic oil, and other oils in power plants, substations, electrical appliance manufacturing plants, and industrial and mining enterprises.

Main Uses

    1. On-site oil filtration and oil replenishment for various oil-immersed transformers, oil-immersed current and voltage transformers, and low-oil circuit breakers.

    2. On-site hot oil circulation drying for the above equipment, especially effective for hot oil circulation drying of oil-immersed current and voltage transformers and low-oil circuit breakers.

    3. On-site vacuum oil filling and replenishment for sealed oil-immersed equipment, as well as vacuumizing the equipment.

    4. Purification of slightly deteriorated transformer oil to bring its performance up to the standard of qualified oil.

Working Principle:

     The vacuum oil purifier is designed based on the different boiling points of water and oil. It consists of a primary filter, oil supply pump, heater, vacuum tank, vacuum pump, condenser, fine filter, oil discharge pump, and electrical cabinet. The vacuum pump extracts air from the vacuum tank to create a vacuum. Under the action of the oil supply pump, external oil enters the primary filter through the inlet pipeline to remove larger particles, then enters the heater. After being heated to 40-70°C, the oil passes through an automatic oil level valve, which automatically controls the balance of oil entering and leaving the vacuum tank. The heated oil is sprayed into the vacuum container, where water in the oil rapidly evaporates into water vapor and is continuously drawn by the vacuum pump into the condenser. The water vapor entering the condenser is cooled and condensed into water for discharge. The dehydrated and degassed oil is discharged by the oil discharge pump into the fine filter, where particulate impurities are removed through the filter element. This completes the entire process of the vacuum oil filter rapidly removing impurities, water, and gas from the oil, allowing clean oil to be discharged from the outlet.