Cement News tagged under: Manufacturing technology
High-efficiency cement grinding17 September 2012, Published under Cement NewsFor more than a quarter of a century the ThyssenKrupp Polysius’ POLYCOM® high-pressure grinding roll (HPGR) has been in successful operation. More than 65 of the presses are working in highly-efficient clinker grinding systems around the world. By using the POLYCOM as a stand-alone grinding machine (finish grinding circuit) a reduction in specific power consumption of around 50 per cent compared to conventional ball mill circuits is achievable. The high compression stressing applied inside t... |
Continuous flue gas monitoring12 September 2012, Published under Cement NewsStricter emission legislation has increased the need for continuous emission monitoring. For cement producers, the high-temperature and high-dust environment in the kiln has presented various challenges in meeting this requirement. However, Spenner Zement Co of Erwitte, Germany, called in the help of Enotec to provide the solution to this particular problem. By Enotec, Germany. Designed specifically for the cement industry and featuring water cooling, a rotating device and automati... |
Bulk handling the Van Aalst way10 September 2012, Published under Cement NewsVan Aalst Bulk Handling BV (VABH), based in The Netherlands, is globally renowned for its versatile pneumatic shipunloading systems, capable of handling cement capacities of between 50-1000tph and serving ships of up to 65,000dwt. This article by Van Aalst Bulk Handling BV, Dragon Alfa Cement Ltd and ICR explores the history of the group and the fundamental technologies and solutions on offer, alongside recent experiences of leading UK cement importers, Southern Cement and Dragon Alfa Cement... |
Zlatna's alternative05 September 2012, Published under Cement NewsLast year, Titan’s Zlatna Panega plant in Bulgaria successfully started up its new installation for processing alternative fuels and recovering energy to use in its clinker production process. The introduction of engineered fuels has helped the company improve its competitiveness and paves the way for future increases in alternative fuels usage. By Titan Bulgaria. Titan Zlatna Panega plant, Bulgaria The new alternative fuels installation at the Zlatna Panega plant is designed fo... |
High accuracy fuel dosing25 July 2012, Published under Cement NewsDi Matteo has developed a tubular weigher specifically designed to dose difficult to handle secondary fuels with continuous flow rates. The WeighTUBE® has many benefits compared to gravimetric dosing systems as explained here by Dr Günther Marotz, Dr Luigi Di Matteo and Ulrich Strotkamp of Di Matteo Group Beckum, Germany. The new WeighTUBE RWS, designed by Di Matteo Particularly in the cement industry, recent years have seen the replacement of conventional fossil fuels with alte... |
Breaking ground on new plants16 July 2012, Published under Cement NewsCement plant construction has begun to ease off in former cement production hotspots such as Central Europe and North America but new contracts are forging ahead in the Crimea, South America and most noticably in Africa. ICR establishes where new cement capacity will come on-stream over the next few years. Holcim Guayaquil, Ecuador, is preparing to start work on a new 5000tpd clinker line at the end of 2012, creating some 2500 jobs during the construction phase, which is expected t... |
A victim of success09 July 2012, Published under Cement NewsLafarge Canada’s paper on CO2 emissions reductions in the cement sector earned the company its latest accolade, winning the first prize at the 2012 IEEE-IAS/PCA meeting in San Antonio, Texas. Here John Kline and Laurent Barcelo of Lafarge Canada revisit the topic exclusively for ICR. Figure 1: the levers and their levels of magnitude in the Cement Technology Roadmap (WBCSD, 2009). Note CCS is Carbon Capture and Sequestration In 2010, the International Energy Agency (IEA) issu... |
Like clockwork25 June 2012, Published under Cement NewsWhat are the factors that have to be taken into account when chartering self-discharging cement carriers? Practical experience gained during a substantial hydropower dam construction project in Panama provides the answer. Ad Ligthart of Cement Distribution Consultants, who was responsible for the purchase of 260,000t of cement and flyash and the logistics to transport them to the concrete dam site, reports. Changuinola River, Panama Between the end of 2007 and 2011 a large const... |
A is for alite18 June 2012, Published under Cement NewsThe characteristics of clinker minerals when viewed under the microscope reveal key information about the cement production process. Arthur Harrisson explains their importance, mineral non-equilibrium and mineralogy in practice. He also takes a closer look at the key mineral alite. Optical microscope can reveal a wealth of information about clinker manufacturing processes and clinker properties Cement clinker contains four main minerals, all of which are usually identifiab... |
LM-Master for VRMs21 May 2012, Published under Cement NewsLoesche is launching its new LM-Master for advanced vertical roller mill (VRM) control. This automation solution stabilises the VRM to allow operation with lower vibration. It also optimises mill performance by making accurate control actions several times per minute and offers continuous monitoring of the milling circuit for improved operational visibility. By Matthias Authenrieth, Thomas Hyttrek and Andreas Reintke, Loesche Automation GmbH, Germany, and Steven McGarel, Senior Consultant, U... |