NEW KILN LINE OPERATING SUCCESSFULLY AT T HE HRANICE-CEMENT-WORKS IN THE CZECH-REPUBLIC

In 1993 the cement association Cement Hranice A.S., with its head offi ce in the eastern part of the Czech Republic. completed the modernizat ion of the works started at the end of the 80s with direct investment by Italcementi and Ciments Francais. A new kiln line with precalciner and a planned clinker throughput of 2500 t/h was built at the Hranice cement works which used to be equipped with 4 wet process rotary cemen t kilns. A blending bed store. a raw materials and coal grinding plant , and other technological plant complexes were also installed at the s ame time. The main supplier of the engineering equipment was the Czech mechanical engineering company, PSP Prerov A. S. The kiln line is equ ipped with a COMBI 5 ST five-stage preheater and has a two-stage calci ning system which - although used in industry for the first time - has provided full proof of its capabilities. A report is given below of t he technological design of this plant and of the results achieved in t he guarantee trials.