**Degassing oil purification** works by removing dissolved gases and air bubbles from the oil, which can negatively impact its dielectric strength and insulating properties. The process typically involves the following steps:
1. **Heating:** The oil is heated to lower its viscosity, making it easier to remove gases and other contaminants.
2. **Vacuum Chamber:** The heated oil is passed through a vacuum chamber. In a low-pressure environment, gases dissolved in the oil are released and evaporated. This process also helps remove any entrained air that may have been introduced into the oil.
3. **Separation:** As the gases are drawn out of the oil, they are separated from the oil and removed from the system via vacuum pumps.
4. **Filtration (Optional):** The oil may also pass through filtration systems to remove solid particles and moisture in addition to degassing.
5. **Recirculation:** The degassed oil is then recirculated back into the transformer or equipment, where it continues to insulate and cool efficiently.
Degassing improves the dielectric strength of transformer oil, which is crucial for preventing electrical discharges and ensuring the proper operation of transformers or high-voltage equipment.
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