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Polysius
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Catalog excerpts

Polysius - 1

Engineering made by ThyssenKrupp Polysius for the cement industry

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Polysius - 2

It is impossible to imagine the modern world without cement. Versatile, easy to use and economical to produce, cement is one of the world’s most important construction materials. Cement sets upon exposure to air and under water, and is water resistant after setting. It mainly consists of compounds of calcium oxide (CaO), silicon oxide (SiO2), alumina (Al2O3) and iron oxide (Fe2O3). Cement the building material with a future and a past The raw components are ground, homogenised and burned. At 600°C, the limestone begins to break down into CaO and CO2. This reaction ends at 900 °C. At 1,250...

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Polysius - 3

Clinker manufacturing. Cement manufacturing. ...From raw material preparation 1. Crushing The raw material is crushed to the size of coarse gravel. 2. Interim storage, blending The raw material is stockpiled or homogenised in blending beds. The efficient production of high-grade cement products demands far more than combining individual machines or even ideal partial process steps. For this reason, ThyssenKrupp Polysius systematically consolidates process and plant knowhow to create innovative concepts for the process sectors of raw material preparation, clinker manufacturing and cement...

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Polysius - 4

Cement manufacturing begins with the extraction and preparation of the raw material – a process section covering all activities from the quarrying of limestone to the feeding of raw meal into the preheater. Raw material preparation The aim of an optimum raw material preparation process is to provide the subsequent burning process with a raw meal whose quality and homogeneity assures the economical production of high-quality cements. This depends on precise knowledge of the materials used (raw materials and fuels) and on careful selection of a suitable production process, including the...

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Polysius - 5

To efficiently store and homogenise the raw materials prior to their further processing, ThyssenKrupp Polysius offers a broad range of circular and longitudinal blending bed and storage systems with harmonised stacking and reclaiming methods. The ThyssenKrupp Polysius product range for raw material grinding comprises roller mills, tube mills and high-pressure grinding rolls. The choice of system is determined by required throughput, moisture content of the feed material, availability, maintenance requirement, wear and capital cost and operating expenses. Based on the material test results...

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Today, the industry’s requirements regarding quality, maximum performance, minimum costs and low emission rates are more decisive than ever for the competitive situation. Clinker manufacturing And that is the reason why • robust and reliable construction • low resource consumption • high operating reliability • low operating and capital costs and • process-integrated emission reduction concepts are the most important factors in the success of ThyssenKrupp Polysius clinker manufacturing systems. In modern cement plants, the burning process is performed in three consecutive units: in the...

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While meeting the range of requirements imposed on the burning system, the plant supplier has the crucial task of optimising the overall pyroprocessing concept by combining high-performance individual machines. Thanks to today’s highly efficient precalcination systems, significantly smaller rotary kilns can now be installed, even though the throughput rates are usually higher than in the past. This has the effect of reducing the capital cost. The actually required kiln dimensions essentially depend on the employed raw materials and For the production of white and grey cement, ThyssenKrupp...

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In the final process stage of cement manufacturing, the cement clinker is extracted from the clinker stores or silos and finely ground together with gypsum as a setting regulator and possibly with other hydraulic materials also added. Cement manufacturing The fineness determines the grade of cement and thus the strength of the produced concrete. The different types and strength categories of cement are stored in separate silos and then discharged into loading systems. In recent years, cement manufacturers have significantly increased their product ranges – a trend that can be expected to...

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Polysius - 9

Two clinker silos in Spain. Single-compartment or two-compartment separator mills are used for cement clinker and granulated blast furnace slag grinding. Adaptable and energy-efficient: ThyssenKrupp Polysius roller mills grind clinker to produce top-grade cements of all types. The increasing diversity of cement components, the steadily rising production capacities and the requirement for plants to be capable of producing different cement types also lead to increased complexity of the production systems. From the clinker store to the cement dispatch facility Plant planners therefore have to...

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Polysius - 10

of iron oxide are needed. They are burned in a rotary kiln at approx. 1,400 °C to produce cement clinker. The decisive factor for the whiteness of the cement – and simultaneously the most demanding step in the manufacturing process – is the clinker cooling process. High quality can only be obtained with cooling systems that have been designed especially for white cement production. That is why ThyssenKrupp Polysius introduced an innovative Twin Cooler concept which assures the extremely rapid clinker cooling that is essential for the whiteness - under inert conditions and with maximum...

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Polysius - 11

POLAB® Shuttle laboratory automation system: Sample conveyance by mobile robot provides previously unachieved freedom regarding system configuration, extensibility and room layout. The mobile, rail-guided robot serves all the individual modules, such as the capsule receiver, the sample preparation system, the sample store, the input and output magazine and the analysers. Thanks to the innovative safety concept, the laboratory becomes a shared working space for man and machine. Multimedia technologies allow all the information stored in the POLCID® system to be called up and used all around...

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Archived catalogs

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