Fluidized bed ladle heating method and apparatus

Details Fluidized bed ladle heating method and apparatus Fluidized bed ladle heating method and apparatus

1978-09-14

1980-02-26

Dean, R.

Metallurgical apparatus

Process

148 16, 148 203, 148155, 164121, 266249, 266281, 266287, C21D 100

Patent

active

041902351

ABSTRACT:
Method and apparatus defining a combustion and fluidized heating system for the heating of ladles of the type commonly used in the foundry and steel industry is described whereby fluidized-bed technology is employed to achieve greatly improved fuel efficiency. In the method, the particles forming the substance of the bed are placed directly into the ladle. The same may be drawn from a prior heated ladle. In practice, the initial heating medium be it gas or liquid or solid or electric may be replaced in final heating by the direct introduction into the bed of solid or fluid fuel to achieve combustion within the bed itself. Alternatively the bed may be heated electrically as by immersion of an electric resistance heater in the bed. Control of the combustion and the fluidizing medium is inherent in operative characteristics of the invention.

REFERENCES:
patent: 4106755 (1978-08-01), Dell

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