The selection of vacuum drying water ring vacuum pump should be based on the quantity and composition of evaporated liquid (or water). At the same time, we need to know the quantity of condensable gas and non-condensable gas, and what method to condensate condensable gas, and how to recycle it. Through scientific calculation of drying requirement and liquid and gas quantity under different vacuum requirement, the suitable water ring vacuum pump which can meet the drying process requirement is selected.
The drying evaporation gas volume and condensation temperature of different substances are different, which must be analyzed in detail.
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