Agitating – Mortar mixer type – Methods
Patent
1995-04-24
1997-04-08
Soohoo, Tony G.
Agitating
Mortar mixer type
Methods
366 15, 432 14, 106741, 106742, B28C 546, C04B 210
Patent
active
056181043
ABSTRACT:
A method of cooling white cement clinker sintered in a rotary kiln includes the following steps: introducing the white cement clinker from the rotary kiln into a first cooling stage; comminuting the white cement clinker in the first cooling stage; quenching the white cement clinker with a coolant in the first cooling stage in a short dwell period in an oxygen-poor environment to a mean temperature of approximately between 650.degree. C. and 750.degree. C.; introducing the white cement clinker from the first cooling stage into a second cooling stage; mixing and simultaneously conveying the white cement clinker in the second cooling stage in an oxygen-poor environment for a period of at least 15 seconds for obtaining a homogeneous mixture of particles of the white cement clinker and for further cooling the white cement clinker to a temperature of approximately between 550.degree. C. and 650.degree. C.; after the mixing and conveying step, introducing the white cement clinker into a third cooling stage; and cooling the white cement clinker in the third cooling stage by an air stream.
REFERENCES:
patent: 3425853 (1969-02-01), Rives
patent: 3595543 (1971-07-01), Tresouthick
patent: 3622085 (1971-11-01), Rivoire
patent: 3692286 (1972-09-01), Borreill
patent: 3831291 (1974-08-01), Kayatz
patent: 3839803 (1974-10-01), Dick
patent: 4101337 (1978-07-01), Dan.o slashed.106740
Bomba Gerhard
Grothaus Franz-Josef
Koeberer Gunther
Steffen Egbert
Zakel Gerhard
Krupp Fordertechnik GmbH
Soohoo Tony G.
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