Full-automatic gastric lavage machine pipeline drying system

The utility model discloses a pipeline drying system of a full-automatic gastric lavage machine. The pipeline drying system comprises a fan, a main blast pipe, a two-position three-way electromagnetic valve and a pipeline drying automatic control device, an outlet of the fan is connected with a four-way connector through a main blast pipe, the other three connectors of the four-way connector are connected with a liquid inlet pipe, a first branch pipe and a safety valve respectively, the first branch pipe is connected with a three-way connector through a two-position three-way electromagnetic valve, the other two connectors of the three-way connector are connected with a second branch pipe and a stomach tube respectively, and a plug is arranged at the end of the second branch pipe. Starting and stopping of the fan are controlled by the first time relay and the intermediate relay, the two-position three-way electromagnetic valve switches air paths at regular time through the second time relay and the third time