bulk solids handling Journal Technical Article Continuous Versus Discontinuous Shipunloading This paper compares the advantages, disadvantages, and status of grab and continuous coal unloading systems for ocean-going ships. read more
bulk solids handling Journal Technical Article Idlers Made to Measure – Choosing the best Idler for the Job Cuts Operating Costs The significance of the idlers is often underestimated when efficiency analysis is performed on belt conveyors. Because price is often the sole selection criterion, the idlers have to be inexpensive. However, that mentality often results in higher operating costs. read more
bulk solids handling Journal Case Study Down the Rathole – A Hopper Flow Solution for a Concrete Plant A cement and concrete manufacturer faced a problem with their storage bins for the raw material, which accumulated in the hopper forming a rathole. To keep the whole of the material flowing they installed an aircannon system with some interesting specifications. read more
Case Study Martin Engineering: Cement Plant overcomes remote Conveyor Issues with unique Power Generation Technology An innovative cement manufacturer in the Midwestern U.S. has implemented a unique power solution developed by Martin Engineering at a remote conveyor location that lacked convenient electrical access. The patent-pending design uses the kinetic energy of the moving belt to generate enough electricity…read more
bulk solids handling Journal White Paper Pneumatic Ship Unloading Plants for Poorly Flowing Bulk Materials The pneumatic discharge of free flowing materials has been realised for nearly a hundred years. The situation with respect to poorly flowing materials Is rather more difficult; until recently manual labour was used to loosen the product in the region of the suction nozzle. The author considers two l…read more
bulk solids handling Journal White Paper Advances in Stirred Milling: Improving Profitability of Copper Ore Processing The vertical stirred media mill is a proven technology that offers considerable savings in media and energy operating costs that will lower the cost of producing copper significantly. Also, the environmental impact of a copper concentrator is significantly decreased. read more
bulk solids handling Journal Technical Article A Computer Simulation Model for a Surface Coal Mine This paper describes the application of the open pit materials handling simulator (OPMHS) to a surface coal mine in Illinois. The mining method practiced is classified under the general heading Area Mining. The overburden is removed by a bucket wheel excavator (BWE) and a stripping shovel operating …read more
bulk solids handling Journal White Paper Optimum Gear Units aid Conveyor Belt Systems – Drive Solutions with Gear Units for Belt Conveyors in the Mining Industry In the mining industry, drive technology has a decisive influence on conveyor performance and system availability. Three-phase asynchronous motors plus gear units have proved a robust, quick-to-install, low-maintenance variant here. read more
bulk solids handling Journal White Paper Keep the Dust! Complete Dust Suppression System for the Handling of Bulk Solid Materials Dust is a nuisance in almost any bulk solids handling application, as it is harmfull for the health of employees and neighbouring as well as for the environment. Therefore, binding or capturing of dust is of paramount importance. read more
Case Study ContiTech: 24/7 Smart Service for the Toughest Mining Conditions ContiTech is taking an unusual service approach in the world’s largest underground iron ore mine in Kiruna, Sweden. Kiruna is situated north of the Arctic Circle and is roughly a 15-hour train ride away from Stockholm. It is Sweden’s northernmost town and arose as a settlement for the mine of th…read more
bulk solids handling Journal Technical Article Introducing Geostatistics to the China Clay Industry E.C.C. Ltd. extracts clay matrix from primary kaolin sources in the South West of England, the properties of which are inherently variable. Quality control procedures during the stages of processing ensure that the final products meet market requirements. Bore hole samples are used to assess the geo…read more
bulk solids handling Journal Case Study The Two Newest Transshipment Terminals in the U.S. The author gives details of the two newest, ORBA designed and constructed, ore and pellet transshipment terminals which are both located on Lake Erie in the State of Ohio. The two newest transshipment terminals in the U.S are both situated on lake Erie in the State of Ohio. The Lorain Pellet Te…read more
Case Study Smart Elbow® Deflection Elbow Installation Brought in $30,000 Under Projected Budget At Miller Brewing Company's Fort Worth, TX, facility, staff engineer Roy Marin was faced with an interesting problem two years ago — a problem that was solved by using the patented HammerTek Smart Elbow® deflection elbow. The Smart Elbow flow device provides change of direction in pneumatic and s…read more
bulk solids handling Journal Technical Article Bulk Handling at Mongolia's Sainshand Industrial Park – An Approach to Materials Handling for a very large Industrial Complex A large, integrated industrial park being planned at Sainshand in the southern Gobi. Major primary transformation industries will be located there to supply the country’s basic needs, as well as earn export revenues. A central material handling and storage facility is being planned to serve all th…read more
bulk solids handling Journal Research Paper Pipe Conveyor Test Rigs: Design, Application and Test Results - Part B This paper is part of a publication series devoted to an overview of the existent pipe conveyor test rig designs with respect to the obtained contact forces. There are three parts: Parts A and B are devoted to the static test rig configurations, and Part C – is devoted to dynamic measurements. The…read more
bulk solids handling Journal White Paper A New Dust-Free Spout for Barge Loading After a thorough discussion of the causes for dust emission and ways and means to reduce dust emission during he loading of barges, details on a new speed regulating device incorporated in the loading spout are given. In practical operations this new loading device showed excellent results. read more
bulk solids handling Journal Case Study Port Kembla - A State of the Art Coal Port The new Port Kembla coal loader, dedicated on November 22, 1982, was developed to satisfy the following criteria: superior environmental protection, capacity, one hour train tum-around time, environmentally acceptable unloading of 200,000 trucks a year, high reliability, ease of maintenance and clea…read more
bulk solids handling Journal Case Study Transfer Point Upgrades – raising Throughput, reducing Dust and Spillage The terminal operator Kinder Morgan has announced completion load-out hopper and four belt conveyors carrying 1500 tonnes per hour of mineral ore concentrate, complete with five transfer points that comply with the company's "zero spill" principle. read more
bulk solids handling Journal Case Study Valuables covered for Environmental Protection – Domes over the 7th Largest Copper and Moly Development Keeping the environment safe from impacts of stored copper ores as well as minimising material losses due to deflation were the main reasons for building two storage domes at a newly developed copper and molybdenum mine in Northern Chile. read more
Case Study Martin Engineering: Conveyor Equipment Manufacturer uses unique Strategy to Control Dust Emissions Martin Engineering has helped mitigate dust emissions at the underground limestone mine of a cement production plant by implementing an innovative transfer point solution. Using a specially-designed dust control unit (DCU) to spray a surfactant onto both sides of the cargo stream during transfe…read more
bulk solids handling Journal White Paper Digital Weighing in Bulk Handling A general introduction to weighing in bulk handling is given with particular reference to the various methods of weighing bulk materials during and after loading. Several case studies are outlined. read more
bulk solids handling Journal Case Study Floating Pneumatic Unloaders The unloading of bulk dry solids from ships is possible in a number of ways. Where fixed dock installations are contraindicated for one of several reasons a realistic solution is the use of floating unloaders, which can be moved from dock to dock and even port to port. This article describes a syste…read more
bulk solids handling Journal Case Study Keep it all Clean: Efficient and Water-saving Washing of Crushed Material Prior to the introduction of a new washing plant it was the sand washing process which was the biggest area of concern for Natal Portland Cement. Due to inefficiencies of the old plant, the company had to buy up to 80 per cent of the fine sand used for downstream production. This lead to significant…read more
Case Study Ajax Equipment: Go with the Flow with a Multi-screw Feeder From fine cohesive powders to shredded wastes, bulk solids can exhibit varied and awkward flow behaviours which can make the material challenging to handle. Multi-screw feeders can help secure a reliable and effective feed of these demanding materials from hoppers, silos and bunkers through positive…read more