The utility model discloses a kind of gas-liquid mixed transmission synchronous self-priming pump structure, belong to self-priming pump technical field, comprising:
centrifugal pump, its front end is provided with
siphon tank, several steady flow baffle are provided in the
siphon tank, exhaust port and water filling port are provided on the
siphon tank, the siphon tank bottom is provided with drainage tube, liquid
discharge pipe and liquid delivery
pipe, the liquid delivery
pipe is connected in the
centrifugal pump water inlet;And gas-liquid separation chamber, it is connected at the
centrifugal pump outlet.The utility model is by being provided with siphon tank, so that every time before starting does not need special
water diversion operation, and also can achieve pump and simultaneously realize to send medium, ordinary self-priming pump after starting pump can only empty air and not self-priming time of water.