Self-priming system for gas or liquid extraction from wells, includes separator with liquid ring pump pulling vacuum, with pump extracting liquid

摘要

The suction pipe (103) is introduced into the shaft or well. It is connected to a recovery device, preferably a low pressure tank (110), containing a free liquid surface (112). The tank is connected to a vacuum pump (111), preferably a liquid ring pump. A further pump (113) extracts liquid from the tank.