Drying and gas or vapor contact with solids – Apparatus – With means to treat gas or vapor
Patent
1987-08-05
1989-03-14
Warner, Steven E.
Drying and gas or vapor contact with solids
Apparatus
With means to treat gas or vapor
34 41, 34 66, F26B 326
Patent
active
048114936
ABSTRACT:
An improved dryer-cooler apparatus cures or dries a heat sensitive coating on a moving substrate in a manner to minimize problems related to heating. The apparatus comprises a cooling plate, an end block at each end of the cooling plate and a plurality of heating lamps extending between the end blocks, above a reflective face of the cooling plate. The cooling plate has a plurality of cooling passages which extend from the top to bottom ends thereof, and each end block has a plurality of lamp openings and has a plurality of coolant passage openings that each aligns with a coolant passage of the cooling plate. The ends of each heating lamp are supported in an unencumbered manner in the lamp openings of the end blocks. Thus, the heating lamps and the cooling plate and end blocks can expand and contract without damage when cyclically heated and cooled during periodic operation of the dryer-cooler apparatus. Coolant from a refrigeration system is circulated in a serpentine manner through the cooling plate while the heat generated by the adjacent heating lamps is reflected downwardly from the cooling plate reflective surface. Thus, the cooling plate acts as a heat-sink to absorb unused energy from the lamps and to cool the space on the opposite side of the cooling plate from the heating lamps.
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O'Keefe Joseph J.
Warner Steven E.
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