Apparatus and a process for heating a material

Heating – Processes of heating or heater operation – Including melting – vaporizing – sintering – expanding...

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Details

110332, 431328, 432 58, 432138, F27B 916, F27B 1500, F23D 1312

Patent

active

044577036

ABSTRACT:
This invention is directed to a method and an apparatus to heat certain particles. These certain particles are heated to make them more desirable. In the heating of these particles, it is often desirable to expand the particles to make a light-weight aggregate. The light-weight aggregate may be used in making a building material or the like. In carrying out the process of heating these particles, there is used air for combustion of the combustible fuel and only a minimum of air for carrying of the particles or expansion of the particles.

REFERENCES:
patent: 723251 (1903-03-01), Doremus
patent: 1485110 (1924-02-01), Beth
patent: 1764708 (1930-06-01), Abbott
patent: 1870615 (1932-08-01), Ellman
patent: 1948173 (1934-02-01), Hagan
patent: 3407024 (1968-10-01), Hirschberg et al.
patent: 4141793 (1979-02-01), Aoki et al.

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