Cement Manufacturers Association (CMA)

Page 43 A completely unacceptable design as result of the idea to use 1 de-aeration de-dusting explosion protection, or only with lots of additional protective systems, which have not been included in the above design. depends, apart from some other features, primarily on the gap width between the tips of the rotor vanes and the body bore, which must not exceed some hundreds of a mm. Qualifying rotary valves with the correct EPSR for this application are available on the market. However, the problem with all of these is that the gap width will widen as the result of wear, albeit slower than in case or raw coal. The maintenance that would keep personnel of a cement plant. L