Title:
CALCINING METHOD AND APPARATUS OF POWDERY MINERAL MATERIAL
Document Type and Number:
Japanese Patent JPS60187330
Kind Code:
A
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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Inventors:
JIYAN PIEERU ENAN
FUIRITSUPU NIERU
FUIRITSUPU NIERU
Application Number:
JP19693084A
Publication Date:
September 24, 1985
Filing Date:
September 21, 1984
Export Citation:
Assignee:
FIVES CAIL BABCOCK
International Classes:
B01J6/00; C04B7/44; (IPC1-7): B01J6/00; C04B7/44
Attorney, Agent or Firm:
Hideo Takino