CEMENT PRODUCTION SYSTEM Russian patent published in 2018 - IPC F27B7/42 

FIELD: technological processes.

SUBSTANCE: invention relates to cement production. Plant comprises a heater for heating the cement raw mix, a calciner for pre-calcination of the heated cement raw mix and a rotary kiln for firing the pre-calcined cement raw mix, the calciner has a vertical pipe through which the stream of flue gases from the rotary kiln passes. In the calcinator nozzle, formed by the constricted part of the riser pipe, there is a gas sampling probe located flush with the inner wall of the nozzle the riser pipe with the possibility of opening into the riser pipe.

EFFECT: higher measurement accuracy of gas analysis and reduced mechanical wear of the probe.

10 cl, 10 dwg