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Centrifugal pump for contaminated liquids, comprises wheel with scoops and cover plates with spiral grooves around casing inlet
Centrifugal pump for contaminated liquids, comprises wheel with scoops and cover plates with spiral grooves around casing inlet
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机译：离心泵，用于处理受污染的液体，包括带铲子的轮和带盖板的盖板，盖板在壳体入口周围有螺旋槽
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摘要
Pump rotor (2) is that one of closure includes the top and bottom cover board (3,4) for being used in intermediate spoon (5). The spiral grooves (11) that there is pump casing base (8) cannula inlet port (9) being centered around on the side of bottom cover plate to extend. Slot is flowed with the boundary layer fluid in the downside of bottom plate to be cooperated, so that product stream is towards wheel periphery.
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