Cement News tagged under: VRM

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External circulation technology for VRM raw meal grinding

04 July 2019, Published under Cement News

The 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-up

27 March 2019, Published under Cement News

Meghna 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 Ltd

18 October 2018, Published under Cement News

Loesche 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 Cement

17 October 2018, Published under Cement News

Ghorahi 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 line

12 September 2018, Published under Cement News

Following 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 News

Flexible 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 grinding

08 August 2018, Published under Cement News

Modular 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...

Fit for future challenges

02 July 2018, Published under Cement News

Vietnamese cement producer Xuan Thanh Cement awarded Germany-based grinding specialist Loesche the contract to supply the advanced grinding system for its Line 2 expansion project. The company opted for a vertical roller mill, which it expected to deliver a higher output at a lower power consumption than the roller press/ball mill combination of Line 1. By Konrad Scharping, Loesche GmbH, Germany. Xuan Thanh Cement’s Line 2 benefits from a range of state-of-the-art technology, supplied...

Gharibwal starts its new VRM

16 May 2018, Published under Cement News

Gharibwal Cement Ltd has started commercial operation of its 250tph vertical cement mill at its Ismailwal, plant, Pakistan. According to Company Secretary, Muhammad Shamail Javed, the new cement mill will help reduce the energy costs of cement grinding, while the excess cement grinding capacity will support future expansion plans. This new cement mill is the single-largest cement grinding mill presently in operation in Pakistan. Performance in nine months ended 31st March 2018 The compan...

Loesche wins VRM order for Objana's Line 5

23 April 2018, Published under Cement News

Loesche is delivering two vertical roller mills (VRM) for Dangote Cement's Obajana plant's new line in Kogi State, Northern Nigeria. With a total capacity of more than 12Mta, this plant is currently not only the largest cement plant in Nigeria but also the largest cement plant in sub-Saharan Africa. Loesche's order for the new Line 5 in Obajana comprises a high-performance six-roller mill for cement raw meal with a capacity of 580tph – the largest roller mill for raw material in the Loesche...