Cement News tagged under: Kiln technology

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Finding a different kind of gold

14 January 2019, Published under Cement News

While coal had been the mainstay of PPC’s energy sources for decades, the company’s current energy policy has called for a steady replacement of the black gold with more sustainable energy sources. This provided the South African cement producer with the drive to introduce alternative fuels at its De Hoek plant in Western Cape. By PPC, South Africa. PPC’s energy policy seeks to replace increasing volumes of coal with alternative fuels Sustainability needs innovative thinking and...

Kiln maintenance

14 November 2018, Published under Cement News

Increasing competition within the cement industry and growing concerns about sustainable cement production have placed more rigorous demands on maintenance in cement plants, including the maintenance of the kiln. Therefore, kiln maintenance requires a more dedicated focus than ever. By Dr Nijat Orujov and Frank Henning, VDZ, Germany. Figure 1: walk-by inspection on the kiln roller Driven by a competitive business climate and growing concerns about environmental protection, maint...

30 years of industry

02 July 2018, Published under Cement News

Ahead of ICR celebrating the 30th anniversary of its first publication in July, this month’s Technical Forum reflects on what has changed in the industry over the past 30 years. By Dr Michael Clark, UK. Falling oil prices helped shape the 1988-98 period For the moderator of the Technical Forum, Dr Michael Clark, an appropriate way to begin such a review of the industry is to remember where he was at the time. In July 1988 Mr Clark was an employee of Blue Circle (UK) on secondmen...

Burner for the future

25 April 2018, Published under Cement News

Russia-based Sibirskiy Cement JSC is investing in the modernisation of its production facilities. One such project is the upgrade of Kiln 5 at its Krasnoyarsk Cement LLC plant. The works will see the replacement of the line’s oil-fuelled single-channel burner with a multi-channel PYRO-JET burner. By Sibirskiy Cement, Russia. The old burner of Kiln 5 at the Krasnoyarsk Cement plant, Russia Commissioned in 1974, Sibirskiy Cement’s Krasnoyarsk plant produces clinker for special cem...

Finding the missing link

13 December 2017, Published under Cement News

In 2015 Çimsa Çimento’s Mersin plant, Turkey, suffered an increasing number of cyclone blockages, causing severe interruptions to the facility’s grey cement Line 1. After unsuccessful attempts to find the reason for the blockages, a kiln inlet process gas measurement system from sick was installed to provide the missing link between the sulphur content in the kiln process gases and unwanted production downtime. By Felix Bartknecht, SICK AG, Germany, and Sezin Arıkan, Çimsa Çimento Mersin, T...

Impact of alternative fuels

27 March 2017, Published under Cement News

It is widely acknowledged that burning alternative fuels in cement kilns has some adverse effect on the kiln’s productivity and thermal energy efficiency. But how much effect? Dr Clark explores via benchmarking. Figure 1: kiln meantime between stops (MTBS) Case studies and the technology around the burning of alternative fuels (AFs) in cement kilns are recurrent topics in International Cement Review and at Cemtech conferences. They have also often been the topic of the...

Protecting a key asset

08 February 2017, Published under Cement News

Optimising the lifespan of a cement plant’s essential assets, such as the kiln, is key to the continued profitability of a cement company. The replacement of a kiln shell is one of the largest capital expenditures for a cement business, so identifying and integrating technologies that maximise its longevity and reduce damage are essential. By Richard Gagg, AMETEK Land, UK. Kiln shell display with thermal image, profile and tyre slip The cement production process with its extreme...

AICCE 21 - Equipping the Middle East

18 January 2017, Published under Cement News

The 21st Arab International Cement Conference and Exhibition (AICCE 21) took place at the Abu Dhabi National Exhibition Centre in the United Arab Emirates (UAE) on 16-18 November 2016. This annual gathering, which incorporates the largest equipment supplier fair in the region, attracted 615 delegates from 136 companies. Over 600 delegates gathered at the 21st Arab International Cement Conference and Exhibition to find out more about the latest advances in cement production technolo...

Keeping kilns cool

12 September 2016, Published under Cement News

Kiln hotspots are one of the causes of mechanical stresses on cement kilns. However, this issue can be addressed with the use of a water- or air-based kiln cooling system. One Germany-based firm makes the case for water-based systems. By Alexander Scholl and Dirk Schmidt, Kima Echtzeitsysteme GmbH, Germany. A water-based kiln cooling system provides additional benefits to air-based equipment Increasing demands in terms of energy consumption, productivity, emissions and operation...