water ring vacuum pump of distillation pressure

Water-ring vacuum pump is a new type of industrial machinery and equipment, in many aspects of use, have been praised by everyone, then on this equipment knowledge, how much do you know?

The distillation pressure of water ring vacuum pump:

1, the common vacuum distillation process of water ring vacuum pump is mostly operated in the pressure range above 104Pa. The mechanism of vacuum distillation is almost the same as atmospheric distillation. The atmospheric distillation unit is basically available.

2. The pressure range of crude vacuum distillation is 1.O*104Pa-2.7x102Pa, and the flow of gas is viscous state. It is easy to achieve distillation in this pressure range.

3. The pressure range of low vacuum distillation is 2.7*102Pa-1.OPa. At this time, the gas is close to the transitional flow state. The selection, design, manufacture, installation and operation of vacuum distillation equipment are strictly required.

4. The pressure range of quasi-molecular distillation is 1.0-1.0*10-2Pa. At this time, the average free path of gas molecules is similar to the size of the distillator, and the gas is in transitional flow state.

5, molecular distillation operation pressure below 1.33*10-2Pa. In molecular distillation or quasi-molecular distillation, the flow of gas is the free movement of molecules, that is, the collision and interference of other molecules in the system can be ignored, at this time, the distillation process is dominated by evaporation from the liquid surface.Vacuum-valve-classification