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Wonder Cement orders two more Pfieffer mills

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World Cement,

Indian cement producer, Wonder Cement, has ordered two vertical mills from Gebr. Pfeiffer, bringing total number of Pfeiffer mills in operation at Wonder Cement’s plant to seven. The new mills will be used to grind cement and solid fuels.

A MVR 6000 C-6 will be supplied for grinding mixed cements to fineness degrees of up to 5% R 45 µm. With total drive power of 5820 kW, the new mill is identical to the MVR 6000 C-6 currently being assembled for Wonder Cement in Nardana in the state of Maharashtra.

The MVR 6000 C-6 will be designed to allow the grinding of granulated blastfurnace slag (GBFS) to a target fineness of approximately 4500 cm2/g according to Blaine, as well as blastfurnace cements with different proportions of GBFS, flyash, and gypsum, and with different product finenesses.

The new mill is also able to dry moist feed materials during grinding: a key feature given the trend in India to use stored flyash as an extender in cement. As the flyash has been stored outside, it has a very high moisture content and would have be dried before grinding in other milling systems.

The mill is also able to grind relatively hot clinker, while reducing the temperature of the cement, as well as cold clinker from stockpiles.

Core components – including the tension system and the grinding rollers – will be supplied by Gebr. Pfieffer in Germany. The grinding bowl and gearboxes for the mill and classifier will also be supplied from Europe. Gebr. Pfeiffer’s Indian subsidiary, Gebr. Pfeiffer (India) Pvt Ltd, will supply the housing, foundations, and supports for the rollers, as well as almost the entire SLS 5600 BC classifier.

Gebr. Pfeiffer (India) Pvt Ltd will also supply the equipment to complete the grinding plant, including the plant fan. Delivery is scheduled for early 2019.

In addition to the MVR 6000 C-6, Gebr. Pfeiffer is supplying an MPS 3070 BK mill for solid fuel grinding to support the expansion of Wonder Cement’s plant in Tehsil Nimbahera.

Petcoke will be ground to a fineness of 2% R 90 µm in the new MPS 3070 BK mill. The mill will also be equipped with an SLS BK high-efficiency classifier, allowing both coal and petcoke to be ground in the mill, dried with process gases, and then classified in the integrated classifier. Due to the high abrasiveness of Indian coal, the mill will include appropriate wear protection.

Most components of the coal mill will be supplied by Gebr. Pfeiffer (India) Pvt Ltd. The housing and foundation parts, the grinding bowl and a large part of the power-transmitting parts will be manufactured in India.

Commissioning of the entire kiln line with the new grinding plant is slated for spring 2019.

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India cement news Cement news 2018