Apparatus for the calcination of a pulverized mineral material

Details Apparatus for the calcination of a pulverized mineral material Apparatus for the calcination of a pulverized mineral material

1986-03-25

1987-02-24

Yuen, Henry C.

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With heating gas conveying, agitating, scattering or...

432106, 110229, 110245, 110347, F27B 1500

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046454527

ABSTRACT:
Pulverized mineral material is calcined by suspending it in a current of gas constituted by a combustive gas and a fuel whose combustion furnishes the necessary calories for the calcination. To enable solid fuels rich in ash, substantially inert and difficult to condition to be used, the fuel is gasified in a fluidized bed hearth by blowing air from below through the bed whereby a gaseous fuel is disengaged from the bed and flows upwardly with the very finest particles of the solid fuel suspended therein. This is mixed with air and the mineral material to calcine the same.

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patent: 4465460 (1984-08-01), Cosar
patent: 4477251 (1984-10-01), Cosar et al.

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