bulk solids handling Journal White Paper In-Pit Crushing and Conveying The author reviews the factors leading up to the selection of In-Pit Crushing and Conveying technology and discusses the currently available options in equipment selection. read more
bulk solids handling Journal Case Study Homogenizing/Blending Plant Applications in South Africa with Special Reference to Gencor's Hlobane and Optimum Plants This paper describes how an analysis of the functions objectives and decision criteria of homogenising/blending plants by South African metallurgists and engineers have led to a wide range of applications of this technology in South Africa over a relatively short timespan of 15 years with some inter…read more
bulk solids handling Journal Case Study Material Buildup? Blow it away – Air Cannons hammer Preheater Buildup at Nebraska Cement Plant An American cement producer faced severe problems of material buildup in his preheater. Manual hydro-lancing meant process disruptions. So they approached Martin Engineering for a more sophisticated solution. read more
bulk solids handling Journal Case Study Port Kembla Coal Terminal The new coal loading facilities at Port Kembla, presently under construction and to be commissioned in August 1982, are being described. The system consists of unit train and bottom-dump truck unloading, open stockyard, ship loading and extensive conveyor belting. One of the major criteria in dev…read more
bulk solids handling Journal Technical Article Continuous Constant Feed of Pulverised Coal with the IM PACT-HI System The author reviews the problems associated with the constant feed of pulverised coal for combustion systems. The IMPACT-HI system from Sankyo Dengyo is presented and is considered in the light of alternative systems. Several years have passed since coal was again considered a better alternative…read more
bulk solids handling Journal Case Study Exporting Coal Via the Inland Rivers System Low-cost transportation of coal from the mining areas to the exporting docks via the Inland Rivers System is available. The author describes technical aspects of barge loading and unloading, and concentrates on the transshipping facilities in the Gulf Coast area. read more
bulk solids handling Journal Case Study Railroading of Phosphate Agrico Chemical Company, a leading phosphate producer and processor in Florida s Bone Valley area, is the proving ground for a new manual door operating system which Ortner Freight Car Company has developed for its Rapid Discharge aggregate car. Dubbed the Versalok, the new system enables one man to…read more
bulk solids handling Journal White Paper Chilean Mining Operations: Bulk Solids Handling Activities In Chile over a million tons of ore are mined, crushed, screened, stored and conveyed every single hour of every day of the year in the production of one third of the world's supply of fine copper. The scale of these giant mining operations is enormous and so are the associated costs. To economicall…read more
bulk solids handling Journal Technical Article Sampling of Coal in the USA Over the years the use of mechanical sampling systems has grown rapidly in the USA. With about 1 billion (109) tons of coal being mined, the need for accurate sampling systems is proving itself throughout the industry. The complexity of coal sampling, however, has not made it easy to design and…read more
bulk solids handling Journal White Paper Circular Blending System for Coal PHB Weserhütte (PWH) have built and recently commissioned two circular stockpile systems which are used to stack, homogenize and reclaim raw coal for Gewerkschaft Sophia Jacoba in Hückelhoven, Germany. The total system is the first circular stockpile blending plant of its kind in the world and bec…read more
bulk solids handling Journal Case Study Basic Design of the Bucket Wheel Excavator for the Goonyella Mine Overburden stripping at Goonyella Mine has already reached the stage where drag lines alone cannot handle the depth or achieve the production targets required without the aid of additional (pre-stripping) equipment. Currently, a fleet of twelve scrapers is being used for this purpose but long term p…read more
bulk solids handling Journal Technical Article Permitting Procedures for Coal Port Construction The author reviews the major steps to be taken in order to receive the necessary permits for the construction of coal handling ports. The various federal and state air and water quality requirements are discussed as well as the regulations imposed by the Army Corps of Engineers. Based on the ex…read more
bulk solids handling Journal Technical Article The Increased Use of Belt Conveyor Self-Unloading Vessels - A Coming Development in Ocean Bulk Shipping The author underlines the importance of self-unloading vessels for Great Lakes shipping and explains the reasons why and how belt conveyor type self-unloading bulk carriers are being used or planned to be used to an ever increasing extent for bulk movements on ocean routes. A survey of major shippin…read more
bulk solids handling Journal Case Study Loading and Unloading Equipment of a Bulk Cement Carrier The transportation of bulk cement by sea utilizing an exclusive carrier with specially designed loading and unloading equipment and facilities was first undertaken some years ago by Onoda Cement Co. Ltd. (ONODA) in Japan. Since that time a number of similar exelusive carriers for the transport of bu…read more
bulk solids handling Journal Case Study A New Bucket Wheel Excavator Complex for the Goonyella Mine A bucket wheel excavator – conveyor system – spreader complex will be put into operation in Australia for the first time in particularly difficult winning conditions. These difficulties were taken into account by the exceptional stipulations laid down for the layout of the machines. The complex …read more
bulk solids handling Journal Case Study World's Largest Purpose Built Cement Carriers The world's largest purpose built cement carriers Castillo de Javier and Castillo de Monterrey are fitted with a Carlsen pump/Weibull screw system for self unloading. The article reviews the principle of this Carlsen Pneumatic Bulk Screw System" and describes the implementation of the system in thes…read more
bulk solids handling Journal Research Paper Bulk Materials Transportation in Western Europe in the 1980s A quiet revolution is taking place in bulk materials handling and transportation more particularly in the development of modern port facilities and in methods for coping with growing social and environmental pressures The demand for an efficient flow of freight traffic is an important factor in the …read more
bulk solids handling Journal Case Study Overburden Stacker for Loy Yang Open-Cast Mine This case study describes the new overburden stracker in the most recent expansion project of the S.E.C. of Victoria. Design details and technical data are given. Following Morwell and yallourn, the Loy Yang open-cast mine is the most recent expansion project of the State Electricity Commission…read more
bulk solids handling Journal Technical Article Dredging of Heavy Minerals After a short discussion of the mining procedure used for dredging heavy minerals the current dredging techniques are reviewed Successful tun-scale tests proved that an underwater bucket wheel can be applied for dredging purposes up to depths of 100 m and that this bucket wheel shows the same favour…read more
bulk solids handling Journal Case Study Recent Developments in Great Lakes Self-Unloading Bulk Carriers Technical data and design features are given for the first full size ocean-going self-unloading bulk carrier, M.V. "Atlantic Superior", built by Collingwood Shipyards and to be commissioned in 1982. This ship will be Canada Steamship Lines' link between the Great Lakes system and worldwide trading, …read more
Case Study BHS-Sonthofen optimizes crushing at Dachser Fertigbeton-Kieswerke Building materials supplier Dachser is currently expanding and optimizing its gravel plant in Türkheim by integrating a second rotor impact mill of type RPM 1113 from BHS-Sonthofen. In addition, BHS supplied the complete control system to ensure seamless coordination of the two machines. This makes…read more
bulk solids handling Journal Technical Article Raw Material Storage and Blending Solutions – Parameters for Selecting the best available Solution For new stockyard projects, operators must consider capital costs and the operational efficiency of equipment and must choose between the virtually infinite possibilities offered by the market. Homogenisers, blenders or storage only and circular or linear storage are the main decisions. read more
bulk solids handling Journal Case Study Port Facilities at Narvik and Luleä The Ports of Narvik and Luleä are two of the most important shipping outlets in the West and their development which has been taking shape since 1945 is now almost complete. This paper traces the stages in their development and indicates problems and prospects for the future. read more
Case Study JOEST: Full Screening Power at the Arctic Circle in Norway Scandinavia’s biggest producer of iron ore is relying on JOEST screening technology. The project comprises of a new, turnkey screening and conveying system to prepare iron ore pellets for shipping. Kiruna, the northernmost city of Sweden, is home to an iron ore mine of the same name, which process…read more