GROUNDWATER INFLOW CONTROL VALVE EQUIPPED WITH A GEOTHERMAL WELLHOLE UPPER PROTECTIVE PIPE

摘要

Disclosed is a geothermal well hole upper protective pipe having a groundwater inflow control valve. The geothermal well hole upper protective pipe having a groundwater inflow control valve comprises a tubular well casing, a geothermal hole protective pipe, a groundwater supply gate, a groundwater lift riser, an underwater motor pump, a groundwater supply pipe, a groundwater inflow gate, a groundwater inflow pipe, a groundwater drainpipe, and a groundwater inflow control valve.