Wear resistant pipe bend for slurry transport

Details Wear resistant pipe bend for slurry transport Wear resistant pipe bend for slurry transport

1984-02-16

1987-02-10

Husar, Cornelius J.

Pipe joints or couplings

Elbow

285923, 406193, F16L 4300, B65G 5354

Patent

active

046418644

ABSTRACT:
An abrasion resistant pipe bend or elbow for slurry pipelines is disclosed. The bend or elbow has a wall of enlarged thickness disposed in the exterior of the turn of the fluid flow, in the area where impingement of the interior wall of the elbow by solid particulate material is most likely to occur. The wall of enlarged thickness includes a plurality of spaced protrusions which form a plurality of indentations or pockets. Openings of the pockets are disposed in substantial alignment with the instantaneous trajectory of solid particulates transported in the slurry. The pockets become filled with captured solid particles when slurry is transported through the elbow. The particles act as a shield or buffer against further bombardment of the wall of the elbow by the particles. Leading edges of the protrusions optionally have a cladding of an abrasion resistant material, such as a hardfacing composition, and are disposed to have a favorable, usually large, impact angle with the solid particles.

REFERENCES:
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patent: 1064343 (1913-06-01), Kennedy
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patent: 4130300 (1978-12-01), Sheridan
patent: 4251170 (1981-02-01), Sheridan
patent: 4479743 (1984-10-01), Stahl

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