Cement News tagged under: Kiln technology
Cemex and Coolbrook to work on electric cement kiln18 May 2022, Published under Cement NewsCemex announced that it expects to work with Coolbrook to test their patented technology that uses electricity in place of fossil fuels in the heating process of cement production. The companies have reached a memorandum of understanding (MoU) to combine their expertise to develop optimal electric process heating solutions that can be applied in the cement manufacturing process. Coolbrook's Roto Dynamic Heater (“RDH”) technology aims to revolutionise cement production by replacing foss... |
Refractories for AF-fired kilns22 June 2020, Published under Cement NewsThe use of alternative fuels (AFs) has seen increasing demand being placed upon refractories. The Siam Refractory Industry Co Ltd has developed a third-generation refractory brick especially for the coating zone of the cement kiln where coating build-ups are unstable or coating areas shift. By Pannawit Ngaochai, The Siam Refractory Industry Co Ltd, Thailand. Figure 1: MultiMag performance after 704 days of continuous operation in an 4500tpd cement kiln in Thailand (photo taken in N... |
Krasnoyarsk’s burner exchange24 February 2020, Published under Cement NewsThe burner system of Line 5 at the Krasnoyarsk cement plant in Siberia has been retrofitted from a direct-firing to a state-of-the-art indirect-firing system, courtesy of KHD Humboldt Wedag. The burner exchange project, primarily implemented to meet tighter emission regulations, yields further potential benefits for this wet-process plant. By Vladimir Afanasin, Krasnoyarskiy Cement, Russia, Victor Kravchenko, Sibcemstroi, Russia, and Alex Knoch and Wilhelm Wenzel, KHD Humboldt Wedag, Germany... |
Finding a different kind of gold14 January 2019, Published under Cement NewsWhile 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 maintenance14 November 2018, Published under Cement NewsIncreasing 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 industry02 July 2018, Published under Cement NewsAhead 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 future25 April 2018, Published under Cement NewsRussia-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 link13 December 2017, Published under Cement NewsIn 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 fuels27 March 2017, Published under Cement NewsIt 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 asset08 February 2017, Published under Cement NewsOptimising 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... |