A vacuum oil leveler is a specialized device for adjusting the oil level in electrical equipment. It is primarily used for vacuum oil injection, oil replenishment, and hot oil circulation drying of oil-immersed electrical equipment (such as current transformers, voltage transformers, and high-voltage low-oil circuit breakers). This solves problems such as air adsorption and false oil level readings caused by traditional manual oil replenishment. It features small size, reliable performance, and easy operation.
Core Functions and Applications:
**Vacuum Oil Injection and Replenishment:** Achieves airless oil injection in the equipment through a vacuum environment, preventing air from mixing into the oil and ensuring accurate oil level readings. This solves the problem of "false oil level" readings caused by air adsorption or residual air inside the coils during manual oil replenishment.
**Hot Oil Circulation Drying:** Performs on-site hot oil circulation drying on equipment, especially suitable for oil-immersed transformers and high-voltage low-oil circuit breakers. It removes moisture and impurities by circulating and heating the oil, improving the equipment's insulation performance.
Alternative to Traditional Oil Replenishment Methods: Compared to traditional methods such as manual piston pumps and nitrogen injection, this equipment reduces labor intensity and operational difficulty, making it more convenient and suitable for periodic oil sampling and level adjustment in power systems.
Working Principle:
The vacuum oil replenishment machine combines vacuum principles with precision filtration technology. The core processes include:
Preheating: The oil is heated to 40-75℃ by a heater, reducing viscosity and increasing the volatility of moisture and gases.
Vacuum Dehydration and Degassing: The preheated oil enters a vacuum separation tank. A vacuum pump creates a high vacuum (pressure far below atmospheric pressure), causing water in the oil to rapidly boil into water vapor, and a large amount of dissolved gases to be released. These gases are extracted by the vacuum pump and condensed into water by a condenser before being discharged.
Precision Filtration: The dehydrated and degassed oil flows through a filter element to remove tiny solid particles (such as metal shavings, dust, and sludge).
Purified Oil Output: The clean and dry oil is returned to the equipment's oil tank or directly supplied for use by an oil pump.
Equipment Features:
High-Efficiency Processing: The vacuum method is highly effective at removing moisture and dissolved gases, achieving deep dehydration and degassing, thus improving the insulation strength and lubrication performance of the oil.
Easy Operation: Integrated design, with a control panel (including buttons and indicator lights) for automated operation, reducing the difficulty of manual operation.
Wide Applicability: Suitable for small instrument transformers, circuit breakers, and other equipment in power systems; compact size and easy to move, ideal for field operations.
For detailed operating procedures or technical parameters, please feel free to contact us.
