Precalciner for cement raw meal

Details Precalciner for cement raw meal Precalciner for cement raw meal

1983-12-14

1985-07-09

Camby, John J.

Heating

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

432106, F27B 1500, F27B 702

Patent

active

045279730

ABSTRACT:
A precalciner for cement raw meal is divided into upper and lower parts. The upper part is shaped into a cylinder, while the lower part is constituted by upper and lower inverted conical portions. The upper inverted concial portion has a cone angle smaller than that of the lower inverted conical portion and is connected to the lower end of the upper part through a throttle device.

REFERENCES:
patent: 3140863 (1964-07-01), Forsyth et al.
patent: 3273257 (1966-09-01), Johnson et al.
patent: 3298110 (1967-01-01), Kos et al.
patent: 4248639 (1981-02-01), Quittkat
patent: 4337032 (1982-06-01), Duplouy et al.

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