Non-leakage idling resistant centrifugal pump
A centrifugal pump, non-leakage technology, applied in the direction of pumps, pump components, non-variable pumps, etc., can solve the problems of difficult use, poor sealing performance, inconvenient operation, etc., to achieve simple design and operation, stable and reliable performance, sealing better effect
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[0028] The following examples further illustrate the leakage-free idling-resistant centrifugal pump of the present invention: (1) motor and (2) bracket, (7) middle barrel (1) screw bolt; (2) bracket compression (5) static ring Seat, (6) static ring I, (12) O-ring (1) embedded in the grooved (7) middle cylinder (1); (4) power centrifugal shaft seal①, (8) power centrifugal shaft seal② , (9) Power centrifugal shaft seal ③ is tightly matched with (3) pump shaft; (7) middle cylinder (1) is connected with (10) middle cylinder (2), and (14) static ring II is embedded by (13) O Rings (2), (15) O-rings (3) are embedded in grooved (7) middle cylinder (1), (10) middle cylinder (2); (11) labyrinth or auxiliary impeller dynamic seal clearance fit Control; the lower part is equipped with (16) back cover, (17) key, (18) lock nut, (19) impeller, (20) pump body. When the pump rotates, all the parts tightly matched with the pump shaft also move. The liquid in the pump body is sealed by the laby...
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