Headquartered in Kathmandu and operating a cement plant in Ghorahi, Ghorahi Cement Industry Pvt Ltd will build a new kiln line as part of a cement plant expansion. Both coal, which will be used as fuel in the new kiln, and cement raw material will be ground in Pfeiffer vertical mills.
Having decided to shut down an old ball mill plant in favour of the MVR raw mill’s energy and process advantages, Pfeiffer’s customer has opted to produce the cement raw material for both kilns in the new, large vertical mill.
The MVR 5600 R-4 will produce 525 tph of cement raw material and has a grinding bowl dia. of 5.6 m. This will make it the largest mill ever to be delivered to Nepal. With a drive power of 5350 kW, the mill will also be equipped with a state-of the-art high-efficiency classifier SLS-B.
As well as grinding and separating, the mill will simultaneously dry the feed material, which can have a moisture content of up to 6%. Process gases will only be available at a relatively low temperature, as Ghorahi Cement also relies on state-of-the-art heat recovery technology. The grinding plant will be designed, with assistance from the process specialists at Gebr. Pfeiffer, to use residual heat from the two cement kilns and possibly also from the two clinker coolers to evaporate 28 tph of water from the feed material.
It is common, in this region of the world, to fire kilns with pulverised coal. To meet this need, Pfeiffer will also supply a MPS 250 BK coal mill, with an integrated SLS BK high-efficiency classifier. The mill will be designed to be pressure-shock-proof and provided with wear protection to cope with abrasive Indian coal.
The core components of the high-tech MVR vertical roller mill and of the MPS coal mill, as well as the 5350 kW gearbox will be supplied from Europe by Gebr. Pfeiffer. The company’s Indian subsidiary, Gebr. Pfeiffer (India) Pvt. Ltd will supply the remaining components of the vertical mills and high-efficiency classifiers. Alongside this Pfeiffer India will also supply most of the other components for the new grinding plants, including feeding and removal equipment, plant filters, plant fans, motors, frequency converters, proportioning belt scales, etc. The plant layout will also be provided by Pfeiffer India.
Pfeiffer will, in addition, provide services to supervise the installation and commissioning of the grinding plants. The cement mill for the plant will be a MVR 3070 C-4 and will grind 70 tph of cement.
Read the article online at: https://www.worldcement.com/asia-pacific-rim/18102018/gebr-pfeiffer-supplies-largest-mill-in-nepal/