Device for filtering impurities at inlet of centrifugal pump

• Main Authors: HUANG CHUIHONG, DENG JIADE, JI YIZHI, WEN BANGHAO, LIAO YUAN, YU HAOLIANG, WANG HUACHAO
• Format: Patent
• Language: Chinese; English
• Published: 21.12.2021
• Subjects: BLASTING; HEATING; LIGHTING; MECHANICAL ENGINEERING; NON-POSITIVE DISPLACEMENT PUMPS; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS; SEPARATION; TRANSPORTING; WEAPONS

The utility model discloses a centrifugal pump inlet impurity filtering device which comprises a connecting unit and a purifying unit, the connecting unit comprises a water storage pipe, a top cover located on the top of the water storage pipe and a water inlet pipe located on one side of the water storage pipe, and the water inlet pipe is communicated with the water storage pipe; the purification unit comprises a cleaning assembly located in the water inlet pipe and a filtering assembly located in the water storage pipe; according to the utility model, the connecting unit and the purifying unit are arranged, the connecting unit is used for introducing a medium needing to be filtered, the circular filter screen is continuously cleaned through the scraping plate in the cleaning assembly in the purifying unit, and the filter screen is effectively prevented from being blocked while the medium is primarily filtered; and the medium is secondarily filtered through the filtering assembly, so that the problem that th