Oil ring vacuum unit
Group's main medical equipment sales, plateau oxygen equipment research and development; medical air compressor, oxygen generator, medical gas system engineering, plateau dispersion oxygen supply engineering design, production, installation and after-sales service.
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The oil ring vacuum unit is an efficient device, and here is a detailed introduction to it:
Basic Overview
The oil ring vacuum unit is an improvement based on the water ring vacuum pump, changing the working fluid from water to transformer oil. This change significantly enhances the unit's ultimate vacuum level due to the lower saturation vapor pressure of the oil, achieving an absolute pressure below 6.7 mbar, even down to 1.3 mbar. Additionally, since this pump operates as a closed-loop system, it greatly reduces environmental pollution.
Main Structure
The main structure of the oil ring vacuum unit includes a pump body, eccentric wheel, slide valve assembly, and a series of other components. Similar to rotary vane vacuum pumps, the slide valve pump is also equipped with a gas ballast valve, with the gas ballast hole located near the exhaust port or end cover to expel gases containing condensable vapors. Furthermore, an oil-gas separator is installed at the pump outlet to reduce oil loss and environmental pollution.
Working Principle
The working principle of the oil ring vacuum unit mainly relies on the interaction between the internal oil ring and the eccentric wheel. As the eccentric wheel rotates, the oil ring rotates accordingly, forming a sealed chamber. With the rotation of the eccentric wheel, the volume of the chamber continuously changes, thereby achieving the gas extraction function. During the gas extraction process, non-condensable gases and mixed gases such as water vapor are drawn into the pump, and after separation in the gas-liquid separator, the non-condensable gases are discharged into the atmosphere from the exhaust port, while the working fluid is recycled after cooling and heat exchange.
Performance Characteristics
1. High efficiency and stability: The oil ring vacuum unit can stably extract gases and easily achieve extraction effects in high vacuum and atmospheric pressure ranges.
2. Wide applicability: The unit has a wide range of applications and can be used in various industries such as laboratories, manufacturing, medical, and semiconductors.
3. Good working stability: Due to the relatively simple components of the unit, its failure rate is low, and its working stability is good.
4. Long service life: The components of the unit have a relatively long lifespan, reducing the frequency of maintenance and replacement.
5. Environmentally friendly and energy-saving: As a closed-loop system, the unit can significantly reduce environmental pollution and save water resources.
Maintenance
To ensure the normal operation of the oil ring vacuum unit and extend its service life, regular maintenance is required. This includes regularly replacing oil lubricants, cleaning filters and pipelines, etc. Additionally, attention should be paid to adjusting the outlet valve of the plate heat exchanger to ensure that the outlet oil temperature is within the optimal working temperature range. Furthermore, in the case of long-term shutdown, the oil inlet valve of the vacuum pump should be closed and residual liquid discharged.
Applications
The oil ring vacuum unit is widely used in various situations requiring high vacuum levels. For example, in processes such as vacuum impregnation, vacuum drying, and vacuum degassing, the unit can play an important role. Additionally, it has been widely applied in fields such as chemistry, electronics, machinery, pharmaceuticals, food sublimation drying, and high-altitude simulation testing.
In summary, the oil ring vacuum unit is an efficient, stable, environmentally friendly device with a wide range of applications. Through regular maintenance and reasonable usage, it can ensure long-term stable operation and meet various industrial production needs.
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Production Address
Hengde Industrial Park, Old City, Hengshui City, Hebei Province