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 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
bulk solids handling Journal Technical Article Pulse Phase Conveying — A Review of the First Ten Years This paper traces the development of the pulse phase conveying concept from the initial research and development work undertaken at Warren Spring Laboratory, England, in the late 1960s to the present day universal application of the techniques and principles. 'Pulse Phase Conveying" will be fam…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 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led to stockpiling and reclaiming methods in which more conventional boom stackers and bucket wheel reclaimers have been replaced by stacking conveyors and underground feeders and conveyors.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 Research Paper Bulk Solids Handling Research at the University of Wollongong Research relating to the storage and handling of bulk solids has been undertaken at the University of Wollongong, Australia (and its predecessor institutions) for the past 25 years. The early work related to the performance characteristics of and damage due to grain conveyors and chutes [1-14) while…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 White Paper New Developments in Continuous Mining and Materials Handling Bulk mining and handling technologies have been affected in two ways by the soaring cost of oil and oil products in recent years. Firstly, the substitution of oil by coal, oil sands and oil shale demands the development of high-capacity mining and handling equipment and secondly, the rising fue…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 Technical Article Roll-On/Roll-Off by Krupp Fördertechnik During the past few years, there has been an increasing request by clients for the delivery of fully-assembled and tes ed ship un loaders. 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 Application Aspects of Continuous Unloaders There is currently a very rapid growth in volume of dry bulk shipments, requiring higher unloading rates, ship sizes, and different technical solutions and unloading equipment. Many consider that the upper practical limit of the size of grab unloaders has been reached Environmental constraints …read more
bulk solids handling Journal White Paper Research on Particles at the Department of Chemical Engineering at the University of Sydney On-going research into the flow and frictional properties of granular materials, beginning with the successful application of soil mechanics to the behaviour of powders under the action of blades [1, 2 3 4, 5, 6]. 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 White Paper Dust Control Techniques in the Canadian Asbestos Mines After a discussion of the varieties of asbestos produced commercially with special reference to the Canadian abestos mining industry, the different grades the classification system, the health risks inherent to asbestos mining and processing, and the elements of environmental control at the workplac…read more
bulk solids handling Journal White Paper Static Electricity Hazards – Dust Cloud Ignition caused by Static Electricity After emptying a powder from a plastic drum into a metal hopper, a spark occurred when the operator removed the drum, igniting the dust distributed in the air. The following paper presents an explanation about the “why” and “how not” of this accident. 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 Bulk Transport of Retorted Oil Shale for Mechanical Backfilling Mine backfilling is a desirable method for the disposal of retorted oil shale and is an environmentally acceptable alternative to surface disposal. Hydraulic mechanical and pneumatic transport and stowing methods were investigated, and the mechanical transport and stowing method using belt conveyors…read more
bulk solids handling Journal Technical Article Feeding of Bulk Solids: A Review The benefits of mass flow have long been recognized: elimination of ratholing, controlled flow of fine powders without flooding, minimization of segregation, defined and predictable residence time for processing applications, no stagnant regions where particles can degrade, etc. Design techniq…read more
bulk solids handling Journal White Paper Self-Unloading Vessel Equipped with Scholtz-EFS FLEXOWELL Conveyor System The authors describe the introduction of the Scholtz-EFS FLEXOWELL conveyor system into the self-unloading vessel MV "AGAWA CANYON" which previously used a bucket elevator system for elevating material for discharge. The reasons for this conversion as well as the various erection stages are describe…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 Case Study New Barge to Barge Terminal for Coal Transport A new barge-to-barge coal transfer terminal owned by International Marine Terminals (IMT) has just been placed in operation, meeting a need for additional capacity in transferring coal from inland river barges to large gulf barges suitable for movement across the Gulf of Mexico. Located on the west …read more
bulk solids handling Journal Research Paper Reclaim Power and Geometry of Bin Interfaces in Belt and Apron Feeders Based on common sense measures and a simplified physical model, some design criteria are given for achieving proper dimensioning of bin interfaces in the case of belt and apron feeders. How the reclaim power closely related to wear, depends on the geometry of the interface between silo and feeder is…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