Why the vacuum chamber of Transformer Oil purifier has air bubbles during oil dehydration and degassing procedure:

1. The oil contains a lot of water, and the water in the oil is heated and evaporated in a vacuum condition (the boiling point of water is lower than that of the oil) and becomes water vapor, which is released from the oil in the form of bubbles. When the water vapor cannot be removed in time, it is manifested as the accumulation of foam on the surface of the oil.

2. The oil has been cracked and cannot be reused. Due to the long-term operation of electric equipment, some low-molecular component additives in the oil continue to volatilize, and the anti-foaming agent continues to disappear. As time goes by, the oxidation effect strengthens and the oil viscosity Increased, the strength of the oil film also increases, and the gas permeability becomes worse, which provides conditions for the formation and stable existence of foam. At this time, the waste oil that cannot be reused should be discarded. Generally, the Vacuum Transformer Oil Purifier can extend the life of various oil products of the steam turbine system by about 3 years, not indefinitely. Therefore, in this situation, it is necessary to either continuously add new oil to neutralize the quality of the oil or directly add the lost anti-foaming agent to the oil.

3. The vacuum in the operation of the Vacuum Transformer Oil Purification Machine is too high, resulting in transient flash evaporation. The high temperature makes the light hydrocarbons and additives in the oil mixed into the oil to cause bubbles. In addition, the vacuum is too high. If there is no large amount of water vapor If it is recovered in time, or its designed recovery capacity is not sufficient, it will also cause the interaction of water vapor and oil to form new foam. If this happens, you can reduce the vacuum a little bit.

The generation of foam during the dehydration and degassing procedure of Vacuum Transformer Oil Filtration Plant is inevitable, but if you understand the cause of the foam, you can operate the Transformer Oil Purifier more correctly. As the Transformer Oil Purification progresses, when there is less foam in the vacuum separation tank, the working vacuum will be higher. When there is no foam, the oil is qualified after filtration process of Transformer Oil Purification Machine.

Electrical description of Vacuum Transformer Oil Filtration Plant

1. The main electrical appliances use high-quality products with reliable quality and stable performance to ensure continuous operation of the equipment.

2. The oil pump and the heater are interlocked to ensure that the heater power is automatically cut off when the oil pump stops working.

3. The vacuum pump and the heater are interlocked. After the vacuum pump is started, if oil enters the heater, the heater can be started.

4. Equipped with motor overload, over current, phase loss protection and phase sequence protection, with leakage and overload shutdown devices.

5. The use of fuzzy control technology overcomes the frequent actions of the heater system and increases the service life of the relay contact system of the transformer oil purification machine.

6. The electrical control system is made according to national standards.

7. There are intelligent digital display temperature controller, vacuum pump operation indicator, oil pump operation indicator, heater operation indicator, power indicator, sound and light alarm indicator device and other components on the control panel.

8. The perfect interlocking device ensures the reliable operation of the Vacuum Transformer Oil Purifier for a long time.