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 White Paper Sometimes a Hit is unavoidable – The well-known “Silo Hammer” has a pneumatically driven Equivalent One of the most often met problems during the handling of bulk solid materials is that the material which has been filled into a silo will stuck in the same. One way to get the infill flowing again is to transfer a mechanical impulse into the hopper wall, as described in the following presentation. …read more
bulk solids handling Journal Case Study BHS-Sonthofen: Bypass Dust in Cement Manufacturing – Reduce Energy Costs by utilizing Bypass Dust A new method allows the use of up to 100 percent alternative fuels for clinker manufacturing and the recovery of the resulting bypass dust as a recyclable material. read more
bulk solids handling Journal White Paper Coal Shiploaders for the Mississippi The author compares various shiploader designs and gives price estimates on the basis of mid 1980 bids covering marine construction and equipment. Three schemes were compared: traveling loader, dual radial loaders and single linear loader. These systems are ranked according to their production rate,…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 How to Handle Recyclables – UK’s First Terex-Fuchs MHL250E Long-Reach Materials Handler The recycling of used building materials needs a thorough sorting of the delivered materials. Terex-Fuchs’ new long reach material handler is a compact machine with a great operating range, ideally suited for the handling of recyclables. read more
bulk solids handling Journal Research Paper Load Analysis of Trestle Leg Conveyor Support Structures Buried in Stockpiles The paper presents a theory, combined with design equations, to compute the loads on structural elements, in particular those of trestle legs of tubular construction supporting load-out belt conveyors, where the trestle legs are substantially buried in gravity reclaim stockpiles. The stress conditio…read more
bulk solids handling Journal Technical Article Continuous Weighing of Solids in the Process Industries With the advent of microprocessor technology about to revolutionalise the design and cost effectiveness of constant rate feeders and belt weighers this paper outlines the current status of the art of the design and application of constant rate feeders within the process industries. read more
bulk solids handling Journal Technical Article Pneumatic Unloading Equipment for Bulk Cement Carriers During the last ten years the demand for cement terminals has grown considerably in the whole world. The challenge of the market is mainly related to transloading installations for bulk cement with capacities of 100 to 400 t/h. To a growing extent bulk cement is delivered by river barges or seagoing…read more
White Paper BinMaster: Choosing the Point Level Sensor for Your Application Inventory management is all about inventory and controlling its related costs. Your job is to figure out just how much material you have on hand and the right time to bring in more. But your inventory is most likely stored in a large, dark, and often dusty vessel. Short of x-ray vision, you have no …read more
bulk solids handling Journal Research Paper Segregation of Particulate Solids in a Horizontal Drum Mixer Investigation of the mixing of two sieve fractions of sea sand in a horizontal drum mixer have been carried out. An appearance of the distinct axial segregation has been found and the final equilibrium state did not depend on the initial state of mixture. An absence of the radial segregation has bee…read more
bulk solids handling Journal Case Study An Important Achievement in a U.S. Cement Plant The installation of a mobile toothed roller crusher which can handle widely differing large size hard and dry as well as moist and sticky materials and its technical data are described, as well as the reclaiming machines which recover these products from stockpile. An innovative approach led to an e…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
White Paper Conveyor Transfer Point Design: Material Containment for Safety & Efficiency Since most Conveyor Injuries occur during Routine Maintenance or Cleaning, the Control of fugitive Materials is one of the most important Factors to reduce Hazards and prevent Injuries. In this article Martin Engineering explains how, in a properly-engineered transfer point, each component is employ…read more
Case Study CDE commissions its largest C&D Waste Plant in Canada for Calgary Aggregate Recycling Recently commissioned at CAR’s recycling facility in south east Calgary, the new 250 tons per hour (tph) washing solution, designed and engineered by CDE, will take centre stage on Thursday 7th September 2023 as industry representatives gather to learn more about CDE’s innovative recycling proce…read more
bulk solids handling Journal Case Study Leith Coal Outloading Plant Different grades of coal are at present unloaded and outloaded within the esturial ports administered by the Forth Ports Authority. Grabbing cranes unload the coal to road vehicles and railway wagons and the outloading of coal is handled using a modern 3,000 tonnes per hour (t/h) capacity coal outlo…read more
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 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 Technical Article Speeding up Wagon Unloading – C-Frame type Tandem Rotary Tippler and Transfer Platform for high capacity Wagon Unloading in India Railway transport is one of the most important means of transport for huge amounts of dry bulk solids. Often, train unloading is a bottle neck of such systems. A solution to this problem is presented in the article below. 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 Case Study Dump the Ore! Fast Unloading of Iron Ore transported by Rail Unit trains are in common use when it comes to in-land transport of bulk solids over great distances. To keep the pace of transport, fast unloading is of paramount interest. How to afford fast unloading is described hereafter. read more
bulk solids handling Journal White Paper High Size Reduction Ratios: Cage Mill Working Principles and Performance Factors Cage Mills are internally fed impactors that can crush, grind or pulverize many different materials to specified degrees of fineness. They are characterized by a high ratio of size reduction after a single pass through the cages and easy maintenance. read more