The invention relates to a water conveying device of a
granular material pipeline. The water conveying device comprises a material conveying
pipe, a
water supply pipe, a
water spray pipe, a main water pump and a feed hopper, wherein a
nozzle is arranged on the front end of the
water spray pipe, the front end of the
nozzle extends into the back end of the material conveying pipe, the front end of the
water spray pipe is fixed to and is in sealing connection with the back end of the material conveying pipe, the back end of the water spray pipe is connected with a water outlet of the main water pump, the lower end of the feed hopper is connected with the top of the material conveying pipe, a feed opening is formed in the bottom of the feed hopper and is located above the
nozzle, a water spray opening in the front end of the nozzle is located in the front side of the feed opening in the bottom of the feed hopper, the nozzle is of a conical structure of which the front part is thin and the back part is thick, the outside
diameter of the back end of the nozzle is equal to the inside
diameter of the material conveying pipe, one end of the
water supply pipe is connected to the water spray pipe, the other end of the
water supply pipe is connected to the upper part of the feed hopper, and a regulating valve is arranged on the water supply pipe. The water conveying device has the advantages of reasonable design, easiness in operation, high degree of
automation, high
controllability, high conveying efficiency, difficulty in blocking, high practicability and easiness in popularization and application, and the abrasion influence of
solid particles on the main water pump and an enhanced water pump is avoided.