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Mixer Sophisticated in Every Detail

| Editor: Ahlam Rais

While producing lithium batteries extremely high quality demands are placed on the preparation of the required raw materials – even to the limits of technical feasibility. For example, the contamination of cathode masses by foreign ions—in particular iron—must be avoided at all costs. Lödige has addressed this challenging process-technical task with a special version of the proven Ploughshare mixer.

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In the production of lithium batteries extremely high quality demands are placed on the preparation of the required raw materials. Lödige has addressed this challenging process-technical task with a special version of the proven Ploughshare mixer.
In the production of lithium batteries extremely high quality demands are placed on the preparation of the required raw materials. Lödige has addressed this challenging process-technical task with a special version of the proven Ploughshare mixer.
(Source: Lödige)

The mixing drum has a ceramic lining, but due to their more complex geometry a different covering was required for the mixing elements. Together with the mixer shaft and choppers, they were provided with a thin, but extremely tough ceramic coating.

The coatings can be adjusted to the respective application. Standard coating materials are based on aluminium oxide or tungsten carbide. In any event, these wear-resistant, hard coatings are designed for long-term operation, states the company.

As the battery masses contain toxic and carcinogenic components such as cobalt, uncontrolled spillage of the fine powdery substance must be strictly avoided.

In particular, the shaft seal is often a weak point. However, modern and application specific sealing systems guarantee a seal that is superior to a classical stuff box packing. The company’s mixer achieves homogeneous mixing of the cathode masses in the shortest possible time. This is essential for the consistent, reproducible quality of these high-tech materials, adds the firm.

Specialist Book „Heat Transfer Technique“The comprehensive standard work „Heat Transfer Technique“ offers not only a detailed and well-founded presentation of the basics of heat transfer technique, but also shows the latest state of the art and the latest regulations in the use of organic fluids. Thematically, the book is rounded off with an overview of property data of organic heat transfer fluids as well as many use cases from practical experience.

Lödige will be exhibiting its solutions at the Solids trade fair (Hall 6/Stand R26) that is scheduled to be held from April 1–2, 2020 in Germany.

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