Why vacuum pump unit is widely used -

when using vacuum pump unit, it can be used to extract common gases, and contains water, organic solvents or a small amount of dust in gas. Compared with ordinary mechanical vacuum pump, it is not afraid of oil pollution, not afraid of the water vapor and dust. Compared with general water ring vacuum pump, it has high vacuum and high vacuum pumping speed under the condition of high characteristic.

vacuum pump unit is widely used in chemical, electronics, machinery, pharmaceutical, food and sublimation drying and high altitude simulation test of vacuum system. Due to the high efficiency and energy saving 2 bv series water ring pump is used as the backing pump, therefore the vacuum unit than more efficient, compact and no leakage, corrosion resistance, high protection grade, etc.

when the vacuum pump unit will work in the former stage pump fluid in oil, and can effectively increase the limiting vacuum of vacuum unit ( Please refer to the parameter table) Unit, and roots oil ring for closed-circuit circulation system, can reduce pollution and save water. Roots oil ring vacuum unit is widely used in vacuum impregnation, vacuum drying, vacuum degassing process.

backing pump of the working fluid can also use organic solvent, Can use lower viscosity of organic solvents, such as methanol, ethanol, xylene, aniline, acetone) Or other liquid. Before using pump as the closed-circuit circulation system can significantly reduce the environmental pollution, to reduce at the same time greatly improve the recovery of organic solvent. The ultimate vacuum is determined by the working fluid saturated vapor pressure.

compared with other vacuum pump, vacuum pump will be used as the backing pump water ring pump unit. This is mainly because it can be pumped a lot of condensing steam, especially when the town gas mechanical vacuum pump oil seal does not have enough ability to remove the condensed steam, using solvent can make pump oil variation and impact performance, or is more obvious when the vacuum system do not allow the oil pollution. Choosing vacuum unit, in order to satisfy the use requirement, usually require limiting vacuum of vacuum unit half to an order of magnitude higher than the vacuum degree of work and the work pressure limit pressure or x ( 5 ~ 10) It is advisable.