The costs for assembling a grainy product are at any time essential for everyday practice. Therefore, a wide palette of comminution- and classification machines is available, where a selection for the appropriate one has to be made. Variable- and simulation calculations help to find the right decision. Unfortunately, processes in these machines are very complex and a definite prediction of optimal settings is quite difficult nowadays. It gets even more difficult when such processes are linked with each other. In order to get assured statements about feasibility and costs, the following 3 sources are available:

	experimental investigations (laboratory-, pilot plant station- and operating tests)
	experience knowledge
	and theoretical considerations (process description and -models)

The first two sources are applied very intensely, whereas theoretical approaches will be used in special cases only.  

Our ambitions are, to use the extensive test data effectively and derive evaluations and models with a comparatively small effort. The models are geared directly to practical goals. Therefore, the test data are prepared unified and comparable, interpreted in combination with experience knowledge and transfered with flexible methods into contexts and models. These methods are built up in such a way that the models can be verified easily in connection with further experimental results and adapted to modified conditions. Thus, a stepwise qualification of model imaginations is possible. The extensive evaluation- and simulation software - PMP - supports this methodical procedure and provides at the same time a package for calculating flowsheets, where the behaviour of grinding circuits of different complexity can be investigated effectively.

It turned out, that development- and operating costs can be reduced by the PMP-Software and its proceeding as

The GRAINsoft GmbH provides support by consultation and a standard software which can be adapted easily to special conditions:

Standard Software                            Copyright by GRAINsoft