Apparatus for in place gas cleaning of diffusion elements

Details Apparatus for in place gas cleaning of diffusion elements Apparatus for in place gas cleaning of diffusion elements

1989-10-12

1994-07-12

Wyse, Thomas

Liquid purification or separation

Flow, fluid pressure or material level, responsive

Maintaining stream pressure or flow

210170, 210199, 210205, 210220, 134170, 134171, B08B 300, B08B 500, C02F 320

Patent

active

053286014

ABSTRACT:
Cleaning of multi-pore diffusion elements in place with cleaning gases while submerged in liquid media by applying said elements in improved gas cleaning apparatus. Such apparatus may for example include diffusion element retaining rings or other retaining devices, positioned at the peripheries of the respective elements, for securing them in gas-tight relationship with their respective plenums for preventing escape of treating and cleaning gas. Another aspect of the apparatus includes diffusers having diffusion elements with upper and lower surfaces bounded by porous peripheral sides, said diffusers also including apparatus for preventing escape of air through the element sides. In another embodiment of diffusers with diffusion elements having upper and lower surfaces bounded by peripheral sides, there are plenums comprising gas tight enclosures that enclose these lower surfaces and that include upstanding walls facing and adjacent to said sides. In yet another embodiment, upward force exerted on diffusion elements by treating gas under pressure is employed to force the elements upwardly against peripheral sealing members and overlying members of peripheral retainers to increase the sealing integrity of the sealing members.

REFERENCES:
patent: Re33177 (1990-03-01), Schmit et al.
patent: 4382867 (1983-05-01), Schmit et al.
patent: 4889620 (1989-12-01), Schmit et al.

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