LOESCHE GMBH

Grinding coal in Colombia with a Loesche mill

Having purchased the Loesche state-of-the-art vertical roller mill for the grinding of cement, Cementos San ­Marcos decided once more in favor of Loesche to supply another VRM for the grinding of coal. Up to date, the ­Loesche Mill Type LM 35.2+2 is the sole vertical roller mill in this plant for cement grinding.

Cementos San Marcos is one of the latest additions to Colombia’s cement production base, located 20 km north of Cali. The cement plant allows the company a closer connection to regional building sites and most of its output is used for infrastructure projects as Colombia builds toll roads and links the capital Bogotá to the north. Sustainable cement production is central to the plant’s design with energy ­efficiency and the use of alternative fuels.

The cement plant was designed as a two-phase project to initiate a ­conservative market entry with the aim of more than doubling the capacity to meet market needs within a short period of time.

The recent experience with the ­Loesche clinker mill gave the client the confidence to go again with Loesche on a coal mill for realization of phase 2 of this project. The challenge of this project was to fit the new and larger mill into the existing plant and reuse the existing coal mill‘s foundation of a smaller capacity Raymond mill which will be replaced. The classifier and the plant ducting equipment will be part of the contract.

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