Bidirectional noncontact type cooling dynamic sealing method for two-grade liquid ring pump
A non-contact, liquid ring pump technology, used in liquid fuel engines, components of pumping devices for elastic fluids, pumps, etc. Impeller hub thermal deformation, affecting the stability of liquid ring pump operation, etc., to prevent gas backflow, solve wear, and prevent thermal deformation.
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[0046] The present invention is an improvement on the basis of the prior art, and the newly added components are all realized by using conventional machining technology using conventional machining materials.
[0047] Its outstanding invention is that it breaks through the stylized thinking of the existing technology and finds another way; a two-way screw liquid supply mechanism is set between the rotating component and the static component of the two-stage liquid ring pump - the combination of the intermediate wall component, and the non-contact dynamic seal is adopted. ; The sealing structure between the intermediate wall assembly 6 and the liquid ring pump shaft 1 is simplified, hydraulic sealing is realized, and the gas backflow between the high and low pressure chambers is effectively prevented. Moreover, the cooling of the impeller hub of the high and low pressure chambers is realized during the circulation process of the sealing liquid, which effectivel...
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