Self-priming slurry pump

• Main Author: ZHU GUOGUANG
• Format: Patent
• Language: Chinese; English
• Published: 09.12.2009
• Subjects: BLASTING; HEATING; LIGHTING; MECHANICAL ENGINEERING; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS; WEAPONS

The utility model pertains to the technical field of slurry pumps and relates to a self-priming slurry pump which comprises a sucker, a suction pipe and a discharge pipe; the opening of the sucker is communicated with one end of the suction pipe; the other end of the suction pipe can be alternately communicated with a material storage barrel and the discharge pipe through a valve; the material storage barrel is internally provided with a piston and a piston rod; the piston rod penetrates through a washing chamber and is connected with a driving device; the side of the washing chamber close to the driving device is connected with the piston rod in a sealing way, and the other side thereof is communicated with the end port of the material storage barrel; and the self-priming slurry pump is also provided with a sensor used for sensing the positions of the piston and the piston rod and controlling the action of the valve. The self-priming slurry pump has simple structure, wide application range and high working e