Flash Heat Processing of Brown Coals and Hard-Coal
Preparation Products prior to Their Use for Energy Production

V. A. Moiseev, V. G. Andrienko, E. G. Gorlov,
G. B. Skripchenko, V. A. Ruban, and M. Ya. Shpirt

ZAO Compomash-TEK, Moscow, Russia
e-mail: andriernko38@mail.ru; shpirt@yandex.ru

Received November 1, 2011

Abstract—The principles of calculation of vortex chambers, in which flash heat processing of brown coal or a
hard-coal beneficiation product with an ash content of 25–40% produced along can be run, are shown. Fast heat
treatment of this type makes it possible to reduce the initial moisture content of brown coal from 35–40 to 2–
12% and of coal preparation products, from 20–25 to 10–12%. In the basic parameters (fuel consumption, spe-
cific amount of metal, etc.), this method of reducing the moisture content is superior to traditional methods for
drying coals and their preparation products (in drum, pipe, fluid-bed, or pneumatic dryers). After decreasing the
moisture content of brown coals to a value of 3%, their bertinization, i.e., preparing a product with properties
close to that of grade D coals, is also performed.

DOI: 10.3103/S0361521912060079


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