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 Technical Article The Filling, Closing and Handling of Sacks Following a reference to the types of sacks available the considerations affecting the choice of sack packaging equipment are examined. Descriptions of basic open mouth and valve sack packing installations are given. The principles of operation of the various types of packers and their applications…read more
Case Study MYSAK at Powtech 2023: A modern Belt Dryer using Waste Heat In 2022, MYSAK completed the construction of a modern sugar beet pulp dryer at the Krasnystaw Sugar Factory, which uses only waste heat for drying purposes that was previously not fully utilised and was simply lost. An additional advantage is that the drying takes place at low temperatures and in cl…read more
bulk solids handling Journal Technical Article Predrying of Raw Materials - Purpose and Effect The predrying of hygroscopic and non-hygroscopic plastic raw materials is a process which is often thought of as straight forward and rather simple. In recent years, equipment has emerged which can be fine tuned to the particular humidity and moisture content prevailing. This paper details various o…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 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 Technical Article Truck Dispatching by Computer Simulation This paper describes the results of a digital computer simulation study in which the impact of the proposed truck dispatching on the overall mine productivity was investigated for an operating open pit mine. In the study the existing operation was first simulated for a one-month period using both t…read more
bulk solids handling Journal Research Paper Load Stability of Bulk Cargoes during Ship Transport The safe ocean transport of bulk cargoes on large bulk ships is vitally dependent on the stability of the cargo under the influence of the rolling, pitching and yawing motion of the ship and the transmission of vibration from the ship’s engine and propulsion machinery as well as wave motion induce…read more
bulk solids handling Journal White Paper Australian Bulk Ports and Shipping – Can They Meet the Challenge of the 80s? This review concentrates on the growth in Australia's major dry bulk commodity exports, details the major ports utilized, examines current and future development plans for these export terminals and looks at the role for Australian flag shipping, in particular with respect to its current status and …read more
Case Study motan Trocknungs- und Fördertechnik bei WITTE Automotive in Ostrov - Tschechien Im 2016 eröffneten WITTE-Werk in Ostrov, Tschechien, wird insbesondere Kunststoff-Spritzguss, Lackierung und Montage betrieben. Eine wesentliche Anlagenkomponente ist die hochautomatisierte zentrale Förderanlage für Kunststoffgranulat zu den Spritzgießmaschinen. Sie wurde von der deutschen motan…read more
bulk solids handling Journal Technical Article Optimal Design and Operation of Raw Material Stockpile Homogenisers Layered stockpiles have the primary property of removing low frequency variability in quality although they reduce high frequency as well. Provided they are well designed the change in mean quality from pile to pile can be reduced to that acceptable for powder reactor control. A method for opti…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 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 Technical Article Dust Generation and Control in Materials Handling The mechanisms are described by which dust is generated and dispersed in materials handling systems and the general approach to dust control is outlined. Specific methods of dust control mentioned include: modification of handling system, hoods, booths, containment, water sprays and air curtains; em…read more
Case Study Calizamar uses Crushing Technology from BHS-Sonthofen to produce Sand The Dominican building materials manufacturer Calizamar, S.A. relies on crushing technology from BHS-Sonthofen. The company has commissioned the BHS rotor impact mill of type RPM 1513 to produce high-quality crushed sand. With this machine, there are now three crushing plants from BHS-Sonthofen in o…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
bulk solids handling Journal White Paper Coal Loading Facilities in the Port of Newcastle The Newcastle Export Coal Trade has developed over the last 180 years such that there are more than 37 discrete seams of coal with a requirement for blending at the port area. This and the linking together of two export facilities has created a unique operating environment which has resulted in the …read more
bulk solids handling Journal Case Study Conversion of a Port Facility from Import to Export at Longview, Washington The determination of new ways to cut costs in these times of economic uncertainty is essential in running a successful business. Arco Petroleum Products Company a Division of AUantic Richfield company recognized an opportunity for a substantial cost sav·ng in transporting calcined petroleum coke to…read more
bulk solids handling Journal Case Study Big is never big enough – Designing industrial Raw Material Milling Plants made faster Milling Plants in the Cement Industry (as well as in related industries) are very demanding. Plants have to operate around the clock, and drive capacities of up to 12,000 KW and grinding capacities of up to 1000 t/h are being discussed. Due to the trend towards ever increasing plant capacities the d…read more
bulk solids handling Journal White Paper Bulk Solids Handling Research at the University of Newcastle The handling of materials in bulk form is a major industrial activity of the various mining and mineral processing industries throughout Australia. With this background, the Department of Mechanical Engineering of the University of Newcastle has had an active research interest in this field for a nu…read more
bulk solids handling Journal Technical Article Latest Developments in Coal Handling for Self-Unloading Ships and Barges The purpose of this paper is to describe he various types of self-unloading vessels and emphasize their economics. For most ship owners or designers, self-unloaders mean the Great Lakes type not realizing that the same or modified systems could be used elsewhere. Hopefully some clarifications are co…read more
Case Study Tecwill uses Mixer from BHS-Sonthofen for major Infrastructure Project Mixing concrete for more than 1100 windmills of Europe’s biggest wind farm is no small task. Which is why Tecwill Oy, a Finnish expert for concrete batching plants, puts his trust in a twin-shaft batch mixer from BHS-Sonthofen. The mixer produces four cubic meters of fiber concrete per batch and a…read more
Case Study BossTek: Busy Port uses Dust Control Cannon for Handling & Storage of Commodities A leader in dust control solutions has helped a port located along the Hudson River control fugitive particle emissions at the dock and in the industrial park using atomized mist technology. The Port of Coeymans employs two DustBoss® DB-60 atomized mist cannons from BossTek® for dust suppression…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