Discus Intensive Rotor


Catalog excerpts

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Proven Excellence. Discus Intensive Grinding System New innovation + proven technology = improved quality and productivity CHEMICAL INDUSTRY a Business Field of NETZSCH Grinding & Dispersing

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PROVEN TECHNOLOGY IMPROVES QUALITY & PRODUCTIVITY COMPLETE INNOVATION Applications ■ Printing inks ■ Coatings ■ Pigments ■ Textile dyes ■ Magnetic coatings ■ Paper coatings ■ Fillers Pesticides ■ Ores Minerals ■ Technical and consumer ceramics ■ Ceramic masses and glazes Pharmaceuticals Cosmetics ■ Biotechnology: cell disruption

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Proven Technology Our company represents competence in grinding technology, and the ability to meet demanding customer requirements. We are the only company to offer basket, pin, circulation and passage mills. We have been building horizontal disc mills for more than 40 years, and over 4,200 machines are in global use today. We are the only manufacturer in the world able to build them in size from1 ltr to 15,000 ltr and from 3 kW to 4000 kW. With the introduction of the new disc geometry TetraNex/TetraNex+, a significant increase in the efficiency of the grinding system was achieved. Now...

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Complete Innovation More Capacity – More Beads The highly efficient, dynamic centrifugal separation system facilitates the use of grinding beads of various densities, matched to the application. In addition, it allows the use of grinding beads down to 0.3 mm in diameter. The separation system ensures that the mill can be operated far below the critical point of grinding bead compression, even for products with challenging rheological properties. Your Benefit Use of very small grinding media even with high product viscosities and throughput rates High reliability and elongated life Increased...

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Based on a Proven Concept The Discus Intensive Rotor is the latest development in a long history in grinding technology. Based on decades of research and development and technical competence, we developed Discus, an intensive rotor that shows again an impressive result in separation, flow and grinding efficiency. We Increase Flow Rate The Discus Intensive Rotor allows much higher flow rates without reaching the maximum pressure. This helps run highly viscous product at high flow rates, and also allows running of an effective circulation operation for products that have specific energy...

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Improves Quality & Productivity Example: Water Based Paint What we do, we do well. This success story is based on the trusting cooperation with a German customer who has been using an LME 20 in the standard version for his production since the beginning of the 1990s. It shows continuous improvement of the disc mill. The customer has to guarantee a shelf life of minimum one year, so he is running a second pass. When we changed to the TetraNex/TetraNex+ design and the conventional separation system, we were able to increase the productivity by 50% to 60 kg/h but still 2 passes are necessary....

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This example shows the enormous effect of our step by step improvement of the Discus to the latest Discus Intensive Rotor. More than 6 times the productivity was reached compared to the original set up. production rate 85 kg / h production rate 60 kg / h Number of passes: 2 Temperature outlet 60°C Number of passes: 2 Temperature outlet 52°C Number of passes: 1 Temperature outlet 50°C Grinding Disk TetraNex / TetraNex+ Grinding chamber material of NETZSCH-Ceram C Number of passes: 1 Temperature outlet 58°C Grinding Disk TetraNex / TetraNex+ Grinding Chamber Material of NETZSCH-Ceram C Double...

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Example: Tinting Pastes This example is from a customer in Germany producing tinting pastes for paints. They were testing the Intensive rotor for over one year. In the diagram the results for 4 different products are shown. The increase of productivity for the products is in the range of 40% to more than 100%. Productivity [kg/h] conventional System Discus Intensive Specific Energy [kWh/t] conventional System Discus Intensive

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Test Results for Product 4 in Detail Productivity [kg/h] Specific Energy [kWh/t] The increase of productivity is as a result of a reduction in the number of passes from 7 to 3. This also leads to a reduction of the energy requirement from 500 kWh/t to 198 kWh/t and still results in an increase of the colour strength of the mill base from 108% to 116%. The increase of productivity is even higher when we incorporate the colour strength. Colour strength [%]

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Sizes - from Lab to large-scale Production Grinding Chamber Batch size

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Material options In order to satisfy the requirements of the broadest array of products and to guarantee product compatibility, we offer grinding tanks and agitator shafts made from a variety of materials. Matching the grinding system material to the product properties facilitates low-wear operation of the mill. Contamination of the product is thereby avoided. This leads to an enormous expansion of potential applications for the machine. Focus on your Benefit For every product requirement there is a suitable grinding chamber material. Selection criteria are: resistance to solvents,...

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The NETZSCH Group is an owner-managed, international technology company with headquarters in Germany. The Business Units Analyzing & Testing, Grinding & Dispersing and Pumps & Systems represent customized solutions at the highest level. More than 3,800 employees in 36 countries and a worldwide sales and service network ensure customer proximity and competent service. Our performance standards are high. We promise our customers Proven Excellence - exceptional performance in everything we do, proven time and again since 1873. NETZSCH-Feinmahltechnik | Germany NETZSCH Trockenmahltechnik |...

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