Preheating particulate material

Drying and gas or vapor contact with solids – Apparatus – With means to treat gas or vapor

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Details

34135, 432215, 65 27, 501 69, F26B 324

Patent

active

045301662

ABSTRACT:
A process for preheating particulate material is disclosed. The process also may be used for drying the particulate. The invention uses a heat exchange method that preferably employs furnace exhaust gases. In one embodiment, glass batch is preheated before being fed to a melting furnace. The invention involves the use of glass-ceramic materials as the heat exchange media.

REFERENCES:
patent: 2920071 (1960-01-01), Stookey
patent: 3157522 (1964-11-01), Stookey
patent: 3907577 (1975-09-01), Kiefer et al.
patent: 4319903 (1982-03-01), Hohman et al.

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