liquid ring vacuum unit supplier

How to choose vacuum pump in liquid ring vacuum pump unit

liquid ring vacuum unit supplier
With the development of liquid ring vacuum pump unit application, the types of liquid ring vacuum pump have developed to many kinds, its pumping speed from a few liters per second to tens of thousands of millions per second; Ultimate pressure (ultimate vacuum) ranges from low vacuum to ultra-high vacuum above 10-12pa. Due to the wide range of working pressure involved in the vacuum application department, any type of vacuum pump can not be fully applicable to all working pressure range, only according to different working pressure range and different working requirements, choose different types of vacuum pump. Water ring vacuum pump should choose the correct vacuum pump unit. Due to the selective pumping of vacuum pumps, sometimes a single pump cannot meet the pumping requirements, so it is necessary to combine the centralized pumps and supplement each other to meet the pumping requirements. Some vacuum pumps cannot work under atmospheric pressure and need pre-vacuum.

Some liquid ring vacuum pump outlet pressure is lower than atmospheric pressure, need the front stage pump, so need to use the pump combination, namely the vacuum unit. The structure principle of liquid ring vacuum pump: its structure and working principle is similar to roots blower. When working, its suction port is connected with the main pump of the vacuum container or vacuum system. The vacuum pump between the rotor and rotor, rotor and pump shell do not contact, the gap is generally 0.1 ~ 0.8 mm; You don’t need oil. The rotor profile has arc, involute and cycloid. The involute rotor pump has high volume utilization rate, and the machining accuracy is easy to guarantee, so the involute rotor type is often used. The characteristics of roots vacuum pump are: fast start, less power consumption, low cost of operation and maintenance, high pumping speed and efficiency, insensitive to a small amount of water vapor and dust contained in the pumped gas, large pumping rate in the pressure range of 100 ~ 1 pa, rapid elimination of sudden gas release. This pressure range is exactly between the oil seal mechanical vacuum pump and the diffusion pump.

The liquid ring vacuum unit supplier, hand in hand with each link of the value chain, efficient service to end customers, is our mission! We have always adhered to the basic values of “enhancing the competitiveness of customers is the way to obtain necessary profits”. Adhering to the “cooperation, pragmatic, efficient, far” business style, in the industry has been gradually recognized. “Focus, professional” business philosophy has won more and more loyal and creative partners.

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