商品詳細

A unique publication, this set of book and CD-ROM is a handy tool for the design and operation of cement plants. Operation requires many calculations that have to be done repetitively. With this book of nomograms - graphical representations of two or more variables related to one another in such a way that a third one can be read from the nomogram - these workouts can be eliminated and the right values can be found with minimum effort with the user-friendly CD-ROM.

The CD-ROM pdf pages represent the nomogram and explanatory text in a single screen. The text describes the use, input, output, scale and unit of the nomogram, plus an illustrative example. When clicking on the nomogram, it appears in its original AutoCad version, which allows the reader to draw lines to obtain the results of new inputs. Most nomograms are single-step graphics, some require of two or three progressive steps. The nomograms are grouped in four sections:

1. Basics (capacities and rates of overall cement plant; crushing, grinding; feed rates in various sections with necessary margins; quality calculations, such as the proportioning of raw materials and for arriving at related parameters; carbonates, oxides and ratios of raw meal to clinker);

2. Physical (temperatures, altitudes, atmospheric pressures and densities; areas and volumes ; volumes of silos and stock piles; half angle at centre of mills and kilns and related variables; aspects of system design);

3. Processes (calculations related to calorific values of fuel and its consumption, combustion and drying; log mean temperature difference; heat content of air, clinker, calculations related to cooling), and

4. Machinery (ball mill design, vertical roller mills, preheater design, fuel fired in calciner, kiln capacity impact, kiln sizing and design, conventional clinker coolers, pneumatic conveying, mechanical conveyors, bag filter sizing, SCAs or ESPs for different efficiencies).