Cement News tagged under: VRM
Energy saving with separate fine grinding13 October 2020, Published under Cement NewsSeparate grinding and subsequent blending is a commonly used practice in the cement industry, enabling the lowering of the specific electric energy demand by using highly efficient comminution techniques. While ball mills are not the most energy-efficient mills, VDZ’s research has shown that in some cases ultrafine grinding by means of a stirred media mill combines the advantages of a ball mill with low overall specific energy demand. By J Knappert, S Seemann and PM Fleiger, VDZ, Germany. ... |
VRM to Crown operations18 August 2020, Published under Cement NewsWhen Crown Cement identified the need to increase the cement capacity of its plant in Bangladesh it opted for vertical roller mill (VRM) technology from Loesche. With a range of VRM benefits, total grinding capacity has increased to 11,000tpd and has offered more product versality with local operating conditions in mind. By Masud Khan, Crown Cement Group, Bangladesh. Crown Cement saw several rounds of capacity upgrades with the latest such project starting in 2017 Vertical rolle... |
Gebr Pfeiffer wins lime equipment orders09 March 2020, Published under Cement NewsECO-Zoloproduct invest LLC in 2018 started the construction of a modern high-tech lime production plant with the trademark ROSCA in Kassimow city, Ryazan region, Russia. The main products of the new plant will be lump lime as well as ground and hydrated lime of various fractions. The new plant products sales are scheduled for mid-2020. Gebr Pfeiffer signed in 2019 the first contract for the supply of a vertical roller mill MPS 160 B for quicklime grinding. Delivery and erection works are pl... |
External circulation technology for VRM raw meal grinding04 July 2019, Published under Cement NewsThe pressure differential of a traditional vertical roller mill (VRM) system for raw meal grinding is high, with the fan accounting for about 45 per cent of power consumption. Sinoma International Engineering has developed external circulation VRM technology for raw meal grinding, whereby materials are transported by elevator instead of gas flow, leading to reductions in pressure differential and power consumption. By Du Xin, Nie Wenhai and Chai Xingteng, Sinoma International Engineering Co,... |
Meghna Cement on track for mid-2019 VRM start-up27 March 2019, Published under Cement NewsMeghna Cement Mills Ltd says that its expansion project is likely to complete in the mid-2019. The company signed a contract with FLSmidth in 2017 to import equipment for installing a second vertical roller mill (VRM) to increase its capacity to 2Mta at the cement producer's Mongla plant in Bangladesh. The contract for the VRM has been valued at US$15.7m, according to the 2018 company annual report. In separate news earlier this month, the company informed Dhaka Stock Exchange that its ... |
Loesche wins coal mill orders from Guangdong Tapai Co Ltd18 October 2018, Published under Cement NewsLoesche is delivering two vertical roller mills (VRMs) to Guangdong Tapai Co Ltd for its two 10,000tpd clinker lines in Jiaoling, Meizhou, Guangdong province, China. The two LM35.3 D mills are a repeat order of that received by the company in 2015. The mils will grind pulverised coal at 50tph to a fineness of three per cent with a sieving residue of 0.08mm. They have an installed power of 1200kW. The two new Loesche coal mills are expected to be delivered in April 2019. Guangdong T... |
Gebr Pfeiffer wins mill orders for Ghorahi Cement17 October 2018, Published under Cement NewsGhorahi Cement Industry Pvt Ltd has contracted Gebr Pfeiffer to supply an MVR vertical roller mill (VRM) and a MPS VRM for coal grinding. The Nepal-based cement manufacturer is building a new kiln line as part of an expansion project at its Kathmandu site. Ghorahi Cement is shutting down its old ball mill for grinding raw materials on Line 1 and will instead produce ground raw materials on a Gebr Pfeiffer MVR 5600 R-4 VRM that will supply both kiln lines. The MVR 5600 R-4 has a grinding c... |
Benchmarks for the finish line12 September 2018, Published under Cement NewsFollowing Hans-Jorgen Nielsen’s “Ceramic Strengths” article in ICR’s June issue, Dr Michael Clark examines the potential energy-saving differences between milling systems used for cement finish grinding. Using ceramic grinding media in ball mills results in overall energy savings ICR June had an interesting article on “Ceramic strengths” by Hans-Jorgen Nielsen of LNV Technology PvT Ltd (Sinoma). The article looked at how unit electricity consumption in cement finish grinding wi... |
Are you ready2grind?08 August 2018, Published under Cement NewsFlexible deployment of grinding plants with rapid installation and commissioning enables cement companies to improve their competitive edge as market requirements change and different products are needed. To meet this call for more flexible options, grinding specialists have introduced compact, mobile grinding units with very short lead times. Gebr Pfeiffer introduces us to its ready2grind units. By Andreas Schieler, Gebr Pfeiffer SE, Germany. Figure 1: flow sheet of ready2grind unit ... |
Flexible grinding08 August 2018, Published under Cement NewsModular grinding plants provide cement producers with greater flexibility when rapidly deploying assets in or near fast-expanding markets to benefit from their first-mover status. By Moisés Rodríguez Núñez and Eduardo Granados, Cemengal, Spain. The Plug&Grind® XL modular grinding installation has a grinding capacity of 0.25Mta The challenging market environment in recent years has prompted cement companies to postpone or cancel capacity projects and look at new ways of expanding... |