Sewage pump anti-clogging performance has gradually become the center of attention. This is mainly due to two reasons: First, with the increase in sewage treatment costs, industrial enterprises are trying to reduce the water consumption per unit of production, which makes the sewage solids and fiber content is getting higher and higher. Second, more and more sewage pumps are driven by speed regulation (related to energy conservation). And the danger that the speed regulation may bring is that can not guarantee the minimum water supply flow rate, or the water pump is blocked.
The geometry of the rotor blades of the sewage pump is a decisive factor in preventing clogging of the sewage pump. In the area of ​​wastewater and sewage pumping, single-flow and vortex vanes are widely used. The swirling impellers do not move in the medium being conveyed, which guides the medium to be pumped into the pump chamber according to the principles of fluid dynamics, and the pumped medium flows by the impeller. In this way, long fibers or solids in the pumped liquid medium are also pumped out together. Another commonly used type is the so-called "cutting" impeller, which shreds large, lumpy solid material.
Cutting - General crushing device At home and abroad most manufacturers in the submersible sewage pump equipped with a cutter, stirring knife and crusher. Cutters include cutting knives, cutting discs, cutting threads on the front cover, impeller with knives, and more.
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