Cement News tagged under: kiln
Balancing dusts in the kiln08 April 2015, Published under Cement NewsChemically the expectation for a cement clinker is that it will have the same overall chemical composition as the raw materials from which it is made, less any gaseous emissions and plus any ash provided by the fuels. However, much happens between the raw materials entering the raw mill and the emergence of the clinker. Figure 1: typical LSF of materials through a kiln Much of the variation in the bulk chemistry of the material passing through the system is related to the creati... |
Paraguay: INC to halt kiln as it replaces refractory13 October 2014, Published under Cement NewsParaguay’s Industria Nacional de Cemento (INC) will halt its kiln at Vallemí to complete the replacement of its refractory. However, the maintenance will not affect output, which will remain at 45,000-50,000 bags per day, according to CEO Jorge Méndez. He said the company has sufficient clinker stock to maintain daily production rates for 45 days. Cement consumption has surpassed supply this year and INC expects to import 60,000t of clinker to meet domestic demand. |
Saudi Arabia: weak demand keeps Hofuf kilns closed22 September 2014, Published under Cement NewsSaudi Cement Co said it would not restart the two refurbished kilns at its Hofuf plants as the company currently has a high inventory level and market demand remains weak. “The feasibility of operating these two kilns shall be reconsidered whenever market conditions warrant that,” the statement said. The company expects to record annual depreciation charges of about SAR7.6m (US$2m) related to the kilns from 4Q14 onwards. In the year to August Saudi Arabia’s largest cement producer h... |
Cuba: Siguaney's Kiln 3 back online this month03 September 2014, Published under Cement NewsThe second phase of the repairs at Kiln 3 at Cuba's Siguaney cement plant in Sancti Spiritus is expected to be completed this month. Currently work is being carried out on the cooler as well as improvements to the chain section, fuel system and preheater. When the work is completed, efficiency at the plant will be increased. However, a third stage is envisaged next year due to the scale of the repairs required as well the lack of components which have to be purchased from foreign supp... |
Mind the gap18 August 2014, Published under Cement NewsCimenterie de Lukala (CILU), majority owned by HeidelbergCement, recently installed a new kiln inlet sealing system in its cement plant in the DR of Congo. The new system resulted in an improved kiln operation and helped ensure a safer working environment for its employees. By InterCem, Germany & Switzerland. InterCem cement describes the modification and delivery of a new kiln inlet sealing system for CILU’s kiln line at its plant in Democratic Republic of Congo Cimenterie d... |
Kiln shell success24 July 2013, Published under Cement NewsA kiln shell replacement project, large or small, needs to be given the respect and importance it merits. While there are many variables to be considered in bringing the project to a successful completion, the choice of a technical expert is a key requirement. Stefano Ianniello of Bridge Gap Ltd explains why. The limited space available placed special demands on the crane and kiln shell support frames used Simply finding an experienced contractor who has performed these jobs bef... |
Keeping things moving17 June 2013, Published under Cement NewsITW Krafft and ITW ROCOL, suppliers of lubricants to the cement industry for over 30 years, highlight the importance of lubricating the kiln’s loose tyres and the various lubricants available. Figure 1: clearance between kiln shell and tyre To extend the life of any mechanism, good lubrication is vital. This depends on many factors including the lubrication method (manual, automatic, pulverised), the lubrication interval and the cleanliness of the environment. The choice o... |
Scanning to keep ahead30 January 2013, Published under Cement NewsIn most industries, maintaining a high profit level is synonymous with maintaining equipment efficiency and long-term reliability. This is particularly true for cement companies, as any shutdown induces high costs. To increase production rates, reduce operating costs, improve the burning process, and save energy, it pays to give particular attention to the selection of the kiln monitoring system. By Gildas Chauvel, HGH Infrared Systems, France. Figure 1: the high spatial resolution of... |