Axial force balancing device of pump
A technology of balancing device and axial force, which is applied to parts, pumps, and pump elements of pumping devices used for elastic fluids, and can solve the problem of high manufacturing cost and poor axial force balance of static ring compensation balanced mechanical seals. No guarantee, high control precision requirements, etc., to avoid axial movement and pulsation, safe and reliable use process, and improve the effect of shaft sealing
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[0016] Attached below figure 1 Embodiment 1 of the present invention is described:
[0017] In this embodiment 1, the axial force balance device of this pump of the present invention consists of a stepped floating seal sleeve 1, an impeller 3, a body 4, a rotating main shaft 6, a stepped balancing drum 7, a mechanical seal moving ring 9, a shaft Sleeve 10, mechanical seal static ring 12, seal cover 13 and related seals and connectors, the step-type floating seal sleeve 1 is sealed and floated on the inner cavity of the body 4 at the rear end of the impeller 3 through the seal sleeve seal ring 2, The axial seal and axial force balance between the stepped floating seal sleeve 1 and the impeller 3 rely on the automatic axial displacement of the stepped floating seal sleeve 1 under the action of pressure changes, and the floating gap between the stepped floating seal sleeve 1 and the impeller 3 The impeller 3 is fixedly installed on the rotating main shaft 6 through the impeller ...
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