Abstract:

Hetai Gold Mine used simply vacuum equipment to replace multipolar cent rifugal pump,proved cent rifugal pump has reached vacuum effections and realized pump's draining water without base valva.It's function reliable,simply const ructed and easy to make and maintain.This simply vacuum equipment be worth to spread widely.

Key words: Drain off water system, Cent rifugal pump, Vacuum water tank, Const ructed principle, Applied effects