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 Research Paper Optimal Design of Continuous Conveyors This paper presents a procedure for the optimum design of continuous conveyors for bulk solids handling. The problem concerns the establishment of cost or objective functions which integrate the performance characteristics with the various cost factors involved. Using the general principles of engin…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
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 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 Staten Island Coal Export Terminal The authors review the future prospects for the export of steam coal from the USA and the available port facilities on the East Coast to deal with this. The background to the decision to build a major new coal export terminal on Staten Island is detailed. The plans for the terminal, to be completed …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 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 Reclaiming Gold and Uranium in South Africa Bucket wheel excavators coupled with mobile conveyor systems are used almost exclusively in open-pit operations for removing overburden and mining minerals. The purpose of this article is to describe the technically and economically successful application in a new field, viz. reclaiming sli…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 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 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 Case Study Dalrymple Bay Coal Terminal, Port of Hay Point, Queensland With the opening of several new coal mines in Central Queensland, it became necessary to plan for increased storage and ship loading facilities to cater for the anticipated additional 30 10M/year production. The Port of Hay Point was selected as the site for these new facilities, some of the re…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 Technical Article Output and Availability Factors of Bucket Wheel Excavators under Actual Mining Conditions The author defines the term "theoretical output" [bm³/h] as basic value for the assessment of the short and long time effective output [bm³/h] of bucket wheel excavators. Approximately 40 bucket wheel excavators operating in over burden on four continents, are analyzed on the…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 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
bulk solids handling Journal Technical Article The Development of Bucket Wheel Excavators During the Last Fifty Years This article reviews the important development steps in the manufacture of bucket wheel excavators during the past 50 years. New developments and technical improvements in the areas of crawler drives, slewing gear, the bucket wheel, and the conveyor belt of the wheel boom are presented in detail. A …read more
bulk solids handling Journal White Paper Stacking, Blending and Reclaiming of Coal In many parts of the world, partly due to hard weather conditions, development has in many cases led to stockpiling and reclaiming methods in which more conventional boom stackers and bucket wheel reclaimers have been replaced by stacking conveyors and underground feeders and conveyors. 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 The Design of Storage Bins for Bulk Solids Handling In recent years significant advances have been made in the study of the storage and flow characteristics of bulk solids As a result there are now well established materials testing and associated design procedures to enable storage bins and discharge equipment to be designed to provide reliable and …read more
White Paper Direct Heat or Indirect Heat for Rotary Dryers One of the most important factors in determining the type of rotary dryer that is most appropriate for a certain process is the usage of direct or indirect heat. Rotary dryers are capable of utilizing either direct convection style heat transfer or indirect heat transfer, in which hot sur…read more
bulk solids handling Journal Case Study The South Brooklyn Grain Terminal The New York City Department of Ports and Terminals believes that the changing economics ot bulk transportation will force grain bound for export to move along the most economical route. Many U.S. export grain moves through the inland waterway system to a variety of Gulf ports. Many of these facilit…read more
bulk solids handling Journal White Paper Baking Powder from Coke – New Process for Eco-friendly Conversion of Process Gases In a new process developed in cooperation between ThyssenKrupp and Berlin Technical University coke oven gas, a by-product from the production of coke, can be converted into marketable products such as fertilizers or chemical propellants. read more