Mixed-firing burners for use with pulverized coal and heavy oil

Combustion – Separately supplied or controlled – physically related flame... – Coaxial

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239404, 239406, F23Q 900

Patent

active

042081807

ABSTRACT:
A heavy oil supply pipe, a protective pipe, an air supply pipe for burning heavy oil, a coal-air supply pipe, a coolant supply pipe and a protective caster are arranged concentrically in the order mentioned. A coal whirler and an air whirler are provided to inpart whirling motions to coal flame and heavy oil flame for thoroughly admixing them.

REFERENCES:
patent: 2366463 (1945-01-01), Vroom et al.
patent: 2861629 (1958-11-01), Dailey, Jr.
patent: 3042105 (1962-07-01), Bitterlich
patent: 3115851 (1963-12-01), Creely
patent: 3425631 (1969-02-01), Hensley
patent: 3827851 (1974-08-01), Walker
patent: 3989443 (1976-11-01), Campbell

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