Method and apparatus for sintering cement clinker

Details Method and apparatus for sintering cement clinker Method and apparatus for sintering cement clinker

1995-06-07

1997-01-21

Green, Anthony

Compositions: coating or plastic

Coating or plastic compositions

Inorganic settable ingredient containing

106757, C04B 745

Patent

active

055955991

ABSTRACT:
A method of sintering cement clinker is provided including the steps of introducing raw material for cement to a spouted fluidized bed granulating furnace which includes a perforated distributor having a plurality of nozzle holes; passing fluidizing gas through at least one of the plurality of nozzle holes into the spouted fluidized bed granulating furnace while simultaneously blowing classifying gas at a selected flow velocity that is different from the flow velocity of the fluidizing gas into the spouted fluidized bed granulating furnace through a dropping port arranged facing and between the fluidized bed of the spouted fluidized bed granulating furnace and in communication with a fluidized bed sintering furnace; granulating the raw material in the spouted fluidized bed granulating furnace; discharging granules formed in the spouted fluidized bed granulating furnace into the fluidized bed sintering furnace while classifying the granules with the classifying gas; and sintering the granules injected into the fluidized bed sintering furnace through the dropping port.

REFERENCES:
patent: 3964922 (1976-06-01), Nishida et al.
patent: 4094626 (1978-06-01), Boyhont et al.
patent: 4759711 (1988-07-01), Ichiyanagi et al.
patent: 4877397 (1989-10-01), Tatebayashi et al.

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