Controlled profile drying hood

Details Controlled profile drying hood Controlled profile drying hood

1994-10-18

1996-07-02

Kwon, John T.

Drying and gas or vapor contact with solids

Apparatus

Rotary drums or receptacles

34120, 162193, F26B 1102

Patent

active

055310338

ABSTRACT:
Apparatus is disclosed to control Yankee hood profile along the cylinder surface so as to provide a structurally stable hood having controlled impingement distances at operating temperatures. Radial support of the hot hood internals are located at or near the extremities of the hood wrap and the internal profile along the cylinder wrap is on an adjusted cold shape so that the profile is even when operating temperatures are reached. Thus, the hood is "deformed" (not pre-strained) when cold but, when the operating temperature is reached, it assumes the desired configuration.

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patent: 4763424 (1988-08-01), Taylor et al.
patent: 4942675 (1992-07-01), Sundovist
patent: 5317817 (1994-06-01), Roberts et al.
patent: 5425852 (1995-06-01), Joiner

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