| 摘要 |
PURPOSE: A stuffing device for an acid-proofing centrifugal pump is provided to prolong the life of the centrifugal pump and a mechanical seal by cooling friction heat generated from a contact portion between a fixed ring and a rotating ring of the mechanical seal and improve efficiency of the pump by largely improve a rotational speed of a motor. CONSTITUTION: A stuffing device for an acid-proofing centrifugal pump includes a mechanical seal mounting space(18) communicating with the inside space of a casing at a front part of a connection bracket(17) connected to a rotating shaft mounted between a rear part of the casing and a motor(2), a mechanical seal(10) mounted in the mechanical seal mounting space for preventing leakage of fluid of the casing to a rear part of the rotating shaft, An O-ring(19a) is mounted on the outside of the rotating shaft at a rear part of the mechanical seal mounting space, a fixed ring(19) is mounted at a prescribed gap between the mechanical seal and the rotating shaft, a contact sealing ring(20) molded at the rear part of the rotating shaft in front of the fixed ring, a rotating ring(23) mounted at the center and a rotating ring cover(25) mounted at a front and outer side of the rotating ring to wrap the rotating ring. The rotating ring has a bellows(22) and a slant head part(21) and is in contact with the rotating shaft.
|
