Process of burning fuel slate to produce energy and cement clink

Details Process of burning fuel slate to produce energy and cement clink Process of burning fuel slate to produce energy and cement clink

1975-03-24

1976-08-03

Poer, J.

Compositions: coating or plastic

Coating or plastic compositions

Proteinaceous material containing

122 7R, C04B 732

Patent

active

039727246

ABSTRACT:
In a method of processing fuel shale to produce energy and cement clinker at the same time, oil shale and/or coal shale are disintegrated, homogenized and activated in a pin beater mill or vibrating mill. The effect of the treatment is monitored by X-ray microanalysis and the treatment is automatically controlled. The admixtures required for the production of a cement having the desired quality are added simultaneously at controlled rates. The thus treated material is then burnt in a boiler plant, preferably at combustion temperatures up to 1400.degree.C and with simultaneous sintering, whereby ash and/or slag is formed which contains at least 60% cement clinker. Said cement clinker is separated from the residual ash and slag and in an impact-type mill is disintegrated in such a manner that each clinker particle is subjected to 3-8 impacts within a time of preferably less than 0.01 second by beating elements which are moved at a velocity of at least 15 meters per second, preferably at a velocity between 50 meters and 250 meters per second.

REFERENCES:
patent: 1536165 (1925-05-01), Tetens
patent: 2904445 (1959-09-01), Sellers et al.
patent: 2991187 (1961-07-01), Sellers et al.
patent: 3127455 (1964-03-01), Culbertson et al.

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