Centrifugal pump for pipeline conveying

• Main Authors: YANG RONGDONG, WANG RUIFENG, LI ARONG, LI XIAOFEI
• Format: Patent
• Language: Chinese; English
• Published: 12.07.2022
• Subjects: BLASTING; HEATING; LIGHTING; MECHANICAL ENGINEERING; NON-POSITIVE DISPLACEMENT PUMPS; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS; WEAPONS

The utility model relates to the technical field of centrifugal pumps, and discloses a centrifugal pump for pipeline conveying, which comprises a pump body and a filter box, a water inlet pipe and a water outlet pipe are respectively arranged on the pump body, one side of the filter box is communicated with a connecting pipe, and a connecting sleeve is welded on the outer side of the connecting pipe. A cavity is formed in the connecting sleeve, a round hole is formed in the side, away from the connecting pipe, of the connecting sleeve, the end, away from the pump body, of the water outlet pipe penetrates through the round hole to be fixedly provided with an annular plate, a first sealing ring is fixedly installed on the side, away from the water outlet pipe, of the annular plate, an annular groove is formed in the side, close to the connecting pipe, of the connecting sleeve, and a buffering ring is slidably connected into the groove. A spring is fixedly connected between the buffering ring and the groove, a s