German engineering company Loesche, has supplied two vertical roller mills (VRMs) for Seven Circle Bangladesh Ltd., and Shun Shing Cement Mills Ltd., two cement manufacturers based in Bangladesh.
The VRM supplied for Seven Circle Bangladesh Ltd. in its cement plant in Gazipur, has four main and four support rollers, and will be used for grinding clinker/slag with a throughput capacity of 400 tph. This makes it the largest LOESCHE cement mill in the emerging Bangladeshi market.
A mill of the same type has already been successfully installed at DG Khan Cement in Pakistan and with a grinding table diameter of 7.2 m, it is the world's largest cement mill. This mill has now successfully been put into operation and in the first 30 operating hours had already ground an average of 400 tph of ordinary portland cement at a fineness of 3950 Blaine.
The cement mill for SCBL is equipped with the compact COPE drive (Compact Planetary Electric Drive) and has a drive power of 9.2 MW. The COPE drive concept was specially developed by LOESCHE, together with Renk, for powerful VRMs with drive power of above approximately 8.0 MW. Up to eight drive units drive the mill's grinding table via a planetary stage. The drive units can each be engaged or disengaged. The drive units are also individually replaceable, which makes the COPE drive very easy to maintain.
At the same time as the order for the new grinding plant in Gazipur, LOESCHE also received an order for a further mill for end customer Shun Shing Cement Mills Ltd (SSCML). A LM 53.3+3 CS will be used, with three main and three support rollers and a drive power of 4650 kW. The mill will grind clinker and slag at a capacity of 180 tph in a newly-built grinding plant belonging to SSCML in Shikalbaha near Chittagong.
The scope of delivery for both mills includes the complete mill including the static mill components. Both mills will continue to be equipped with PRONAMIC® wear parts, developed by LOESCHE, for the main rollers, support rollers and the grinding table.
It is anticipated that commissioning of both grinding plants will take place in autumn 2019.
Read the article online at: https://www.worldcement.com/indian-subcontinent/30072018/loesche-supplies-a-further-two-vertical-roller-millers-for-bangladesh-cement-industry/
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