Apparatus for producing spherical particles

Glass manufacturing – Particulate bead or ball making apparatus

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Details

65355, 432223, C03B 1910

Patent

active

040465489

ABSTRACT:
A system for producing glass spheres in which the combustion air introduced into the furnace is preheated. The furnace has a shroud enclosing at least a portion of its outer surface, and ambient air is introduced to the space between the outer surface and the shroud by means of a fan generating a slight positive pressure. Preheated air is removed from the shroud by a plurality of ducts leading to the source of heat.

REFERENCES:
patent: 1973688 (1934-09-01), Geer
patent: 2838881 (1958-06-01), Plumat
patent: 2945326 (1960-07-01), Wood
patent: 3097832 (1963-07-01), Murdock et al.
patent: 3829285 (1974-08-01), Beck

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