Method and device for the operation of a hot gas generator withi

Details Method and device for the operation of a hot gas generator withi Method and device for the operation of a hot gas generator withi

1979-12-03

1981-07-28

Schwartz, Larry I.

Drying and gas or vapor contact with solids

Apparatus

With means to treat gas or vapor

34 35, 34 57R, 34 86, 34102, 432 72, F26B 310

Patent

active

042802830

ABSTRACT:
A dryer system, such as is used in a pulverizing mill assembly, includes a hot gas generator which supplies drying gas to the starting point for a gas circulation system. The drying gas passes through the circulation system commingling with particles to be dried. The dried particles are removed whereupon the system gas flow is divided into a return portion and a spent portion for expulsion to ambient. Part of the system return flow is further freed of particles, compressed, and supplied to the hot gas generator as secondary gas. The return gas flow into the generator is regulated to control hot gas temperature in response to generator flow temperature. In addition, hot gas temperature may be controlled in response to system gas temperature by regulation of fresh primary air flow to the generator. Exhaust gases from the hot gas generator are introduced into the system return flow at the circulation starting point to repeat the process.

REFERENCES:
patent: 2213668 (1940-09-01), Dundas et al.
patent: 3122425 (1964-02-01), Wasp
patent: 3787171 (1974-01-01), Cromp
patent: 3884620 (1975-05-01), Rammler
patent: 4132007 (1979-01-01), Voorheis

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