Wear-resistant centrifugal solids pump lining

Details Wear-resistant centrifugal solids pump lining Wear-resistant centrifugal solids pump lining

1989-02-21

1990-12-04

Peters, Jr., Joseph F.

Conveyors: fluid current

Blower or pump having load intake opening in housing

Including load or blower protecting means

406193, B65G 5358

Patent

active

049749986

ABSTRACT:
An abrasion-resistant liner for centrifugal solids type pumps comprises a plurality of hard metal segments attached to the inner circumferential wall of a conventional pump in spaced apart condition thereabout. The open spaces thus formed between each adjacent hard metal liner segment receive a soft abrasion-resistant material such as rubber, synthetic thermoplastic resin, or other polymer or elastomer material, bonded, vulcanized or otherwise secured to the pump housing and to the hard liner segments, thereby forming a plurality of alternating liner segments of hard and soft material, together forming an even, smooth liner surface substantially encircling the impeller of the pump. In this manner, solids and sharp objects being pumped are deflected by the spaced apart metal segments, reducing damage of the abrasion-resistant material, while the meal segments also serve to more positively secure the soft abrasion-resistant material in bonded condition on the pump housing. Moreover, the provision of a liner formed of a plurality of alternating segments permits the easy and quick repair of damage to the liner surface by simple replacement of individual hard and soft segments, rather than the necessity of replacing an entire liner as is now common in the art.

REFERENCES:
patent: 1233115 (1917-07-01), Osborne
patent: 1806494 (1931-05-01), O'Brien
patent: 3018736 (1962-01-01), Clay
patent: 4564319 (1986-01-01), Van Waveren
patent: 4595318 (1986-06-01), Viesselmann

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