Apparatus for heat recovery from molten slag

Details Apparatus for heat recovery from molten slag Apparatus for heat recovery from molten slag

1981-02-02

1982-09-21

Peters, G. O.

Metallurgical apparatus

Means for melting or vaporizing metal or treating liquefied...

Slag refining means

266137, 75 74, 65 19, F27D 1502

Patent

active

043503268

ABSTRACT:
Molten slag fresh from a smelting or refining furnace is ladled into a pan on a wheeled carriage and is thereby transported to a first heat recovery station, where water is heated by radiation from the slag while the latter is being agitated and granulated. On granulation the slag is conveyed as by a skip hoist to a second heat recovery station, where the residual heat of the slag is utilized to heat air by convection. The heated air is directed into a utility device such as a boiler, from which the cooled air is fed back to the second heat recovery station for reheating. Several embodiments are disclosed.

REFERENCES:
patent: 818541 (1906-04-01), Lang
patent: 1419764 (1922-06-01), Sacio
patent: 3055316 (1962-09-01), Anderson et al.
patent: 4111159 (1978-09-01), Okuno et al.
patent: 4113239 (1978-09-01), Nakada et al.
patent: 4211552 (1980-07-01), Tanaka
patent: 4268295 (1981-05-01), Yamamoto et al.
patent: 4277273 (1981-07-01), Legille

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