LEAK-PROOF CORROSION-RESISTING CENTRIFUGAL PUMP

LEAK-PROOF CORROSION-RESISTING CENTRIFUGAL PUMP

  • CN 2,052,068 U
  • Filed: 02/22/1989
  • Issued: 01/31/1990
  • Est. Priority Date: 02/22/1989
  • Status: Active Grant
First Claim
Patent Images

1. , a kind of cantilever end of rotating shaft passes the seal arrangement of the pump housing, its top and impeller key connect, and the anti-leak corrosion resisting centrifugal pump that is fastened by pump cover, it is characterized by between pump chamber and sealing device for rotary shaft, setting is by having runner to communicate at rotating shaft place and pump chamber, in have and the main impeller coaxial rotation, the auxiliary pump chamber of the sub-propeller that is constituted at the affixed blade of rotating disk one side, and one end and pump liquid outlet communicate, the other end leads to the shaft sealing device rotary packing ring, the circulation of fluid seal arrangement that the liquid-transport pipe-line of static seal contact position is formed;

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