Real flash water ring pump problems
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For the water ring vacuum pumps used in vacuum flash evaporation, is demineralized water or raw water used? Where does the wastewater end up? Or recycle it?
Desalinated water should be used; more precisely, soft water or deionized water. If non-soft water is used, severe scaling will occur inside the vacuum pump. The desalinated water that enters the vacuum pump can be reused in the system after use
Soft water is preferred for the working fluid, and a closed-loop system should be used
There is a gas-liquid separation tank next to the pump, and the water ring seal fluid is recycled
It is best to use soft water; it is most effective for removing calcium and magnesium ions from water