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
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 Case Study Washing the Fines – Additional fines Product together with improved Water Utilisation A Swedish quarry wanted to improve the quality of its products as well as its economics. Therefore they got their sand and gravel washing plant extended which now utilizes fines in the washed sands and aggregates. 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 Case Study Reclaiming Equipment at the Port of Bristol Strachan & Henshaw Limited, Bristol, UK, have completed the installation and commissioning of the three coal stockyard machines at the Royal Portbury Dock in the Port of Bristol. Strachan & Henshaw is a WEIR Group company. read more
bulk solids handling Journal White Paper Belt Conveyor Audits – Saving Time and Money with a simple System Analysis Bringing in a third party who can assess the belt conveyor system and provide operations with the feedback needed to keep the plant running could be the difference between having a record-breaking year and a back-breaking year. read more
bulk solids handling Journal Case Study Doubling a Conveyor's Capacity – New Drives and improved Control allow twice the Conveying Capacity A South Korean cement facturer needed to increase the capacity of their plant. Therefore, the conveying capacity of the conveyor connecting the open pit and the cement plant needed to be doubled. This was achieved by doubling the conveyor speed, as described below. read more
Case Study Russell Finex: Compact Sieve used for Screening of Marble Powder during Tanker Loading Francis Flower, a specialist in minerals management, storage and processing, applies vibratory sieve from Russel Finex for check-screening marble powder during bulk loading of delivery tankers from loading silos. The screeners used are less than half the height of a traditional sieving machine, an…read more
bulk solids handling Journal Case Study Ash and Dust Disposal State-of-the-Art in NSW Power Stations This paper deals with ash and dust disposal in New South Wales power stations. It outlines the factors used in the selection of a suitable site for disposal of solid wastes from a coal fired power station. A number of different methods of handling the ash and dust from the collection hoppers in the …read more
bulk solids handling Journal White Paper New Developments in Vertical Conveying with Special Emphasis on the Transshipment of Bulk Materials A new vertical conveying method based on the FLEXOWELL-technology is introduced, which lends itself to vertical and inclined bulk solids conveying in deep shafts in open pit mining, in processing plants and blast furnace charging in filling silos and dumps etc. and especially for unloading of ships.…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 White Paper Continuous Belt Weighers This paper gives a general introduction to the subject of continuous belt weighing and non-contact weighing and highlights a series of special purpose devices including the new concept of the Nuweigher continuous weigher suitable for incorporation into completely automated processing schemes. 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
bulk solids handling Journal Technical Article Design Considerations for Loads on Feeders Controlled discharge of bulk solids from hoppers and silos is achieved by using a properly designed feeder. In many installations the feeder is required to serve an opening size considerably greater than the critical arching dimensions of the bulk solid so that flow from the hopper is guaranteed. In…read more
bulk solids handling Journal Research Paper Flow of Bulk Solids Through Transfer Chutes of Variable Geometry and Profile The conditions for accelerated or 'fast' flow of bulk solids through transfer chutes of variable geometry and profile are discussed. A simplified chute design theory based on a lumped parameter dynamic model is presented. This model may be applied to chutes of arbitrary geometric profile but the emp…read more
White Paper Conveyor Dust and Spillage: The Importance of Skirtboard Sealing Systems The global leader in belt conveyor accessories, Martin Engineering, designs products around safety to promote an efficient and clean working environment and part of that is manufacturing properly sealed conveyor chutes for bulk handling. The latest innovations the company has devised are the A…read more
bulk solids handling Journal Technical Article Continuous Surface Mine Materials Handling Systems This paper presents a review of three ongoing research projects dealing with continuous materials handling systems in open-pit mines in the USA. The systems include mine-run-rock conveyors high-angle conveyors and movable in-pit crushers. These material handling systems are being evaluated and appli…read more
bulk solids handling Journal Technical Article An Investigation into the Performance Failure of Conveyor Belt Ploughs This article deals with and investigates the performance failure of a common conveyor belt plough. The type of plough referred to is widely used in the bulk materials handling industry, especially in the fields of coal and mineral ore mining. The investigation also uncovers and analyzes the plo…read more
bulk solids handling Journal Technical Article Conveyor Belt Cleaning: Basic Methods, Integration and Economy Due to high cost pressure and reduced personnel capacity, belt cleaning systems have become more and more important. The integration of cleaning systems into the conveyor structure requests technical understanding and detailed knowledge of the complete installation. 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 Technical Article Continuous Conveying in Open Pit Mines Various open pit mining systems with hard rock and unconsolidated overburden are analyzed and the main differences between discontinuous, semi-continuous and fully continuous mining and transportation methods are outlined. It is demonstrated that future open pit mining systems will tend to use …read more
bulk solids handling Journal White Paper Vibrating Feeders for Stockpiling and Reclaim The efficient and economical storage, movement and control of large tonnage coal handling installations unit train loading and unloading storage blending and reclaim systems depend on the proper application and design of vibrating feeders. Installation of vibrating feeders in over 250 power pla…read more