Assembled and welded multi-stage centrifugal pump impeller with wear-resistant coating

The utility model provides an assembly welding type multistage centrifugal pump impeller with a wear-resistant coating, an impeller body (1) is composed of a front cover plate body (2), a blade body (3) and a rear cover plate body (4), the blade body (3) is arranged in an inner cavity between the fr...

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Bibliographische Detailangaben
Hauptverfasser:	FENG LIJIE, LIU ZHENGXIANG, HU ERHUA, YAN JUNPEI, LI QINGYUAN, LIANG ZHENGJUN, LIU HANG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING HEATING LIGHTING MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT PUMPS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS WEAPONS
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Beschreibung
Zusammenfassung:	The utility model provides an assembly welding type multistage centrifugal pump impeller with a wear-resistant coating, an impeller body (1) is composed of a front cover plate body (2), a blade body (3) and a rear cover plate body (4), the blade body (3) is arranged in an inner cavity between the front cover plate body (2) and the rear cover plate body (4), the blade body (3) is connected with the front cover plate body (2) in a welding mode, and the front cover plate body (2) is connected with the rear cover plate body (4) in a welding mode. The blade body (3) is connected with the rear cover plate body (4) in a welding mode, cover plate abrasion-resistant layers (22) are arranged on the opposite faces of the front cover plate body (2) and the rear cover plate body (4), and blade abrasion-resistant layers (32) are arranged on a blade positive pressure face (5) and a blade negative pressure face (6) of the blade body (3). The front cover plate, the rear cover plate and the blades of the impeller are coated wi