Boliden’s Q2 earnings disappoint despite near fivefold rise
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Loesche Mill LM 21.2D at Dilingen in Germany
The Finnish steel producer Ruukki Metals is converting its blast furnaces at the Raahe site in Finland from oil injectors to more cost-efficient Pulverized Coal Injection (PCI). The new injection system is supplied by Claudius Peters Projects GmbH and two LOESCHE mills LM 23.2 D will be installed to handle the coal grinding.
In steel production it makes more sense to reduce the consumption of expensive coke in the blast furnace through the injection of more cost effective reducing agent. Pulverized coal is a significantly more economical alternative to oil here, but without a negative effect on the CO2 balance. With the conversion to a cost-efficient PCI solution, Ruukki is boosting its competitiveness on the price-sensitive world market. Two LOESCHE mills type LM 23.2 D form part of the new plants. The production rate of the mills is 33 t/h at a fineness of 20% > 0.09 mm and a gearbox capacity of 460kW.
A variety of special customer wishes were considered when engineering the plants and LOESCHE GmbH delivered within the ambitious time schedule. The plants are expected to go into operation in the third quarter of 2015 with a delivery period of eight months. Claudius Peters Projects GmbH, a specialist in processing engineering in the cement, coal, aluminum, gypsum and bulk produce industry, has long-standing business relations with LOESCHE GmbH. The company is both a customer and a supplier for components like dust pumps, silos and silo systems or two-way gates. As early as 2008, a mill type LM 28.3 D was already ordered for the PCI plant at the ILVA steelworks in Taranto, Italy. Thanks to the positive experience of the technology and price- performance ratio, Claudius Peters has opted for a solution from LOESCHE this time as well, a choice that meets the product preference of the end customer Ruukki.
About Loesche
Loesche is an owner-managed, export-oriented company, which was founded in Berlin in 1906. Today, the company operates from its head office in Düsseldorf and has subsidiaries, representatives and agencies around the world.
In 1928 that Loesche built the first spring-loaded air-flow mills, which even today are still known as Loesche mills. Nowadays, Loesche vertical mills form the core of many plants used to dry-grind coal, cement raw materials, granulated slag, industrial minerals and ores.
Thanks to its grinding plants with throughputs of 2 to 300 t/h for the cement industry and self-inert, central coal-grinding plants for hard and brown coal power stations, Loesche is the global market leader for vertical mills and turnkey grinding mills.
Loesche supplies turnkey plants, which are individually planned and built for the required process steps. This includes plants for processing, material storage, transportation and delivery, vertical mills, hot-gas generators, filter and separator systems, complete automation technology, plants for all aspects of construction above and below ground, steel construction and piping systems.
The company has EN ISO 9001 certification and the grinding plants themselves are compliant with national and international safety regulations.
At present, around 330 people are employed at the company’s head office in Düsseldorf, with around 600 employed worldwide.
Loesche South Africa (Pty) Ltd.: www.loesche.com
