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 Technical Article Stressing of Rubber Conveyor Belts and Its Mathematical Treatment Mathematical investigations of belt stresses permit important conclusions which may lead to the improvement of conveyor belting and system design. Manufacturers and users alike are interested in studying and ascertaining as exactly as possible the stressings to which conveyor belts are subjecte…read more
Advertorial White Paper Conveyor Belt Cleaner Tension: A Key to Optimal Performance Conveyor belt cleaners have evolved over the last 50 years from mostly homemade designs to a wide variety of engineered solutions to suit virtually every application. The expectations have changed over time as the relationship between health, safety and productivity and clean belts have become more …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
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 Technical Article Continuous Combustion – Plug Screw Feeder Technology for Biomass Pyrolysis Systems Feeding biomass materials into pyrolysis and gasifier processes to produce energy can be a difficult task, because they are often poor flowing and may contain foreign matter. The challenge is to feed this material at a consistent rate into a combustion chamber. read more
bulk solids handling Journal White Paper Pneumatic Plant for Discharging Ship's Cargo Some special techniques in the field of pneumatic conveying are described and general operational and technological aspects for unloading bulk ships are discussed in detail. Machinery for unloading ships has been known for as long as goods have been conveyed on rivers and canals. One of the mos…read more
bulk solids handling Journal Case Study Tough Shredder Application: Sims Metal Management selects 3 MW WEG Motor for Replacement Designed to fit into the exact footprint of the legacy OEM equipment, the new motor was the most cost effective option available for the giant shredder that processes over 1000 tonnes of scrap per day. read more
bulk solids handling Journal White Paper The Siwertell Bulk Discharger Siwertell of Bjuv, Sweden, have for several years been manufacturing ship dischargers using the principle of transmission of bulk materials by totally enclosed screw conveyors. The paper centres on the assessment of the 350 t/h screw type discharger ordered from Siwertell by the Forth Ports Aut…read more
bulk solids handling Journal Case Study Control and Management of Bristol Port Company's New Bulk Handling Terminal Concol Systems Limited, Chesterfield, U.K., are proud to have provided the comprehensive automation and manage ment information system for the new bulk handling facility at Royal Portbury Dock, Bristol, U.K., as subcontractors to the Balfour Beatty/Birtley Joint Venture. 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 Case Study New Life for old Rock Pit – Glenwood Pit Serves as Proving Ground for Conveyor Eqipment Manufacturer ome years ago, bulk handling equipment manufacturer Superior Industries took over a nearby concrete manufacturer with an almost 100 year old pit for the supply of rock products. Superior used the opportunity to prepare a “showroom in operation”. read more
bulk solids handling Journal Research Paper A New Conveyor Belt Wear Test Stand One of the main reasons for conveyor belt wear is the stress caused by the impact of lumpy material. In order to simulate loading-point stress conditions a new conveyor belt wear test stand has been developed and built by the Department of Conveying Technology at the University of Karlsruhe, Germany…read more
bulk solids handling Journal Case Study The Siwertell Coal Unloader at Kingsnorth The Siwertell ship unloader is a continuous bulk unloader, that has been used extensively to unload cement, grain and feedstocks, and minerals. More recently, it has been used for unloading coal, and two Siwertells have been purchased by the Central Electricity Generating Board (CEGB) in Great Bri…read more
bulk solids handling Journal White Paper Sand with maximum Grain Size of 300 micrometer – The Production of Sand for Use in Specialised Mortar Varieties he BHS rotor impact mills of type RPM are becoming more and more popular for the production of sand for dry mortar. In some countries they have become almost a standard for the production of extraordinarily fine sand. 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
Advertorial White Paper It’s cold outside! A guide to rubber conveyor belts operating in extreme cold conditions In this article, Dr. Michiel Eijpe, Innovation & Sustainability Director of Netherlands-based Dunlop Conveyor Belting, provides a rare technical insight into cold resistant conveyor belting while at the same time giving ‘inside knowledge’ as to what to look for (and avoid!) when buying belts…read more
bulk solids handling Journal White Paper Controlling one’s Gold Assets – A Belt Scale System worth its Weight in Gold Gold is one of the most important metals in the world - not only for jewelry or gold assets, but also for many industrial applications. For its production in Russia, a company looked for a robust and calibratable scale to control their gold (ore) flow. read more
bulk solids handling Journal White Paper Similar Materials – Easily Broken: Tubular Drag Cable Conveyors for Sensitive Materials Tubular drag cable conveyors are somewhat unconventional – not speedy or particularly high-volume. However, this extremely flexible conveyor system has the big advantage that it doesn't cause much breakage, even if very friable materials are conveyed. 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 Research Paper Dynamic Damage of Rubber-Textile Belts in Pipe Conveyor Application Rubber-textile conveyor belts and steel-cord conveyor belts are exposed to impacts of various negative factors occurring during the standard operation of belt conveyors, whereas these factors are causing gradual wear of the conveyor belts. The wear-out process of the conveyor belt is a limiting cond…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 Case Study Creating Value from Overburden: Valuable Rock Grade obtained from Contaminated Feed Material he new dry process clay adhesions from screen waste produced in quarries and gravel pits. Operators report that they are able to convert more than 90 % of contaminated feed material into salable rock grade using the ‘Combimix’ system. read more
bulk solids handling Journal Technical Article Alternative Carrying Media and Agglomeration Processes for Transportation of Coal Such terms as Colloil, COM (Coal in Oil Mixtures) and Methacoal have become a common feature in the literature. More recent deliberations, examinations, and publications also in respect of contemporary projects have been tending towards alternative carrying media such as oil and methanol to an ever …read more