Water spraying system of spray-type plunger slurry pump

The utility model discloses a water spraying system of a spray-type plunger slurry pump. The water spraying system comprises a seal stuffing box, a plunger slurry pump body, a spray nozzle and a seal water circulation passage, wherein the seal water circulation passage is arranged inside the plunger slurry pump body, the spray nozzle is arranged on the top of the seal stuffing box, the seal stuffing box is communicated with the seal water circulation passage and the spray nozzle, and the seal stuffing box and the spray nozzle are of an integral structure. The structure of the water spraying system is improved, the water seal requirement on the position of a reciprocating movement pair can be met, the machining of a thin-wall component can be avoided, relevant shape tolerance and position tolerance can be guaranteed according to the requirement, the eccentric wear phenomenon caused by the reciprocating movement can be prevented on the source, the service life of each vulnerable part can be prolonged, the durability and reliability of the entire machine can be improved, and the application cost of the user can be reduced.