Cement News tagged under: manufacturing technology

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The preference for plastic

18 October 2017, Published under Cement News

When using plastic packaging choosing the right bag and the corresponding technology is not easy. By Frank Goris, Arodo BVBA, Belgium. Arodo produces machines for perforated, labyrinth or sealed bags While various studies have been undertaken comparing the impact of paper and plastic bags on the environment, most of this research focusses on grocery packaging. However, the body of research was expanded when Belgian manufacturer of bag filling equipment Arodo received a request f...

Coming into port

04 October 2017, Published under Cement News

While cement represents only a small part of the dry bulk shipping market, it has its own requirements in terms of port facilities and market dynamics. With seaborne trade continuing to grow, it is vital that ports understand each market and install facilities that best serve them. By Ricardo González-Haba, GlobBULK Consulting, Spain. Figure 1: population density and ports in sub-Saharan Africa (blue: draught <11m – black: draught >11m) Some 90 per cent of world trade volumes ar...

Ensuring IT security

13 September 2017, Published under Cement News

The role of security is becoming increasingly important for companies looking to gain control over their IT landscape. By identifying vulnerabilities in existing technical architecture, absolute control and security can be obtained to increase network safety. By Oliver Kurtnacker, Axians Industrial Applications & Services, Germany. Enabling lasting, effective and efficient control and monitoring of your IT network Picture the following scenario: you set up a network and subseque...

Finding failure

06 September 2017, Published under Cement News

Roller presses are a popular choice for raw, pre-clinker or finish grinding. Online condition monitoring of its components can help detect early equipment failure and reduce downtime of the grinding section. By Dalog Diagnosesysteme GmbH, Germany. Figure 1: roller press rolls Roller presses have proven to be a popular option for new and old cement plants in recent years. When used in a production line upgrade with a ball mill, they increase throughput and energy efficiency. R...

Establishing a Latin fan base

07 August 2017, Published under Cement News

Latin America is a key market for the Boldrocchi Group. Recent projects include the supply of a range of fans for the Cementos Fortaleza plant in Tula, Mexico, and for the Oruro plant of Empresa Pública Productiva Cementos de Bolivia (ECEBOL). Over the years, the Italy-based equipment supplier has built a presence in most Latin American countries. By Stefano Dalla Casa, Boldrocchi Group, Italy. Installing the new equipment at the Tula works of Cementos Fortaleza, Mexico In the l...

Fabric filtration comes of age

31 July 2017, Published under Cement News

Fabric filtration is increasingly seen as the best-available technology to help producers meet their goals, and with good reason. FLSmidth has introduced two important innovations in this area. Firstly, extra-long filter bags prevent the formation of a filter cake on the outside of the bags. Secondly, a side inlet for gas and dust extends the bag’s life time and reduces the need for maintenance, process control and troubleshooting. By Henrik Vittrup Pedersen and Pietro Aresta, FLSmidth Airte...

Early strength development

31 May 2017, Published under Cement News

This month Arthur Harrisson discusses early strength development in concrete, which is affected by many variables in practice. In the two-stage process, which includes a setting and a hardening phase, he observes the parts played by sulphates and C3A while acknowledging the importance of other factors such as the C3S content. Cement hydrates five hours after mixing Several studies of which factors influence early strength performance have been carried out under controlled condit...

Beneficiation of landfilled and ponded fly ash

23 May 2017, Published under Cement News

With interest in the recovery and beneficiation of landfilled ash growing, ST Equipment and Technologies (STET) explains how its unique tribo-electrostatic belt separation system, long used for beneficiation of freshly-generated fly ash, is also effective on recovered ash after suitable drying and deagglomeration. By Lewis Baker, Abhishek Gupta, Stephen Gasiorowski, ST Equipment and Technologies , USA. Figure 1: STET Separator processing dried, landfilled fly ash The American Co...

Improved automation

08 May 2017, Published under Cement News

The implementation of the IgnitionTM automation tool by LafargeHolcim’s Trbovlje cement plant in Slovenia has empowered the works with its simplicity and versatility, providing the producer with one system and almost unlimited possibilities. By Roman Petelin, LafargeHolcim, Slovenia. LafargeHolcim’s cement plant in Trbovlje, Slovenia, steps up its automation abilities with the introduction of the Ignition TM industrial application server Over the years the LafargeHolcim cem...

Powering up

03 May 2017, Published under Cement News

Waste heat recovery (WHR) power generation can add a valuable source of power to a cement plant. However, this requires the selection of the most suitable thermodynamic system for the plant’s process conditions. By Cai Zhenyu, Nanjing Kisen International Engineering Co Ltd, and Ming Fang, Nanjing Kesen Kenen Environment & Energy Co Ltd, China. NKK-patented AQC boiler in China Since the 1970s and early 1980s, medium- and low-temperature pure waste heat recovery (WHR) power genera...