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 White Paper Self-Contained Condition Monitoring of Conveying Systems: Sensing Idlers help Plant Operators to keep their Belt Conveyors running Idlers can be a weak spot in conveyor belt systems with lengths of several km. If they heat up, this can lead to a breakdown of the system, or even an inflammation of the belt. Therefore, information about the state of the idlers is of paramount interest. read more
bulk solids handling Journal Technical Article Analysis of Slip of a Particulate Mass in a Horizontal Pipe The pressure differential required to set a plug of particles in motion along a horizontal pipe may vary with plug length in more than one fashion. A linear variation, which agrees with some theoretical predictions, implies that dense-phase conveying is technically feasible. However, a progressively…read more
bulk solids handling Journal Case Study Stacker and Shiploader at the Port Kembla Coal Terminal The Port Kembla Coal Terminal stockyard consists of two stacking conveyors on the outside of the piles and initially one, and in the future two reclaim conveyors between the piles Each stacking conveyor has two rail-mounted stackers. The ship loading system is interruption free. It utilizes two…read more
Case Study JOEST: Full Screening Power at the Arctic Circle in Norway Scandinavia’s biggest producer of iron ore is relying on JOEST screening technology. The project comprises of a new, turnkey screening and conveying system to prepare iron ore pellets for shipping. Kiruna, the northernmost city of Sweden, is home to an iron ore mine of the same name, which process…read more
bulk solids handling Journal White Paper Conveyor Belt Monitoring: New Technologies for the Protection of Conveyor Belting In mines and many plants of the processing industry conveyor belts are the lifeline of the production system. It is, therefore, of paramount interest to keep the conveying system up and running and recognise potential hazards (far) ahead of their occurance. read more
bulk solids handling Journal White Paper Level Controls in Solids Handling The Bin-Dex system, continuous indication and level control equipment, a relatively new concept, is introduced. The basic philosophy leading to the original design is highlighted and actual operational constraints and equipment performance indicated. read more
bulk solids handling Journal White Paper Modern Temporary Grain Storage In order to store grain safely at a reasonable storage and handling price, the concept of bunker storage is receiving increased interest. The reasons for the Development of the bunker concept by Victorian Grain Elevators Board are given. read more
bulk solids handling Journal White Paper Providing Accuracy and Durability: Weighing Solutions for Every Industry Established in 1946 as a repair shop for scales, mainly from the prevalent dairy industries, Rice Lake extended its portfolio with weighing equipment, like belt scales. Today they offer all kinds of scales all over the world. read more
bulk solids handling Journal Technical Article A Review of Hopper Discharge Aids If a hopper is performing unsatisfactorily it is not uncommon for engineers to look to a proprietary discharge aid to help solve their problems. However, without any previous experience to fall back on he is faced with the problem of which device, from the wide range of proprietary aids currently av…read more
bulk solids handling Journal White Paper Microprocessor Control of Blending and Weighing Systems Whenever the costs of raw materials escalates, the justification for more sophisticated control is reexamined. Microprocessors can improve cost control by reducing giveaway, improving quality and reducing operational costs. Microcomputer control refinements are almost without limitation, but pr…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
bulk solids handling Journal Research Paper Increase of the Suction Head by Means of the "Air-Lift" Method The use of suction methods for cleaning operations in inaccessible holes has many practical advantages. A major difficulty is the limited suction depth which can be achieved in normal use this being controlled by the atmospheric pressure, allowing only 10 m suction head in the case of water. Th…read more
bulk solids handling Journal Technical Article Pneumatic Conveying of Bulk Solids Through Pipelines This article describes the pneumatic conveying of powdered and granular solids through pipeline systems. Other means of pneumatic conveying, such as airtube mail transport systems or air slide systems, or conveying systems in which large items are moved on air cushions, will not be discussed here. read more
bulk solids handling Journal Research Paper Pipe Conveyor Test Rigs: Design, Application and Test Results – Part A This paper presents an overview of existent pipe conveyor test rig configurations and their design advantages and disadvantages. The scope of this paper covers test rigs for static and dynamic belt tests. The paper is divided into 3 parts: Part A describes static 6-point testing devices; Part B disc…read more
Case Study Cutting Edge Shredding Equipment for Solid Recovered Fuel Lindner’s Komet series has been the benchmark in secondary shredding for decades. It has scored top marks for the new features introduced in 2022, optimising the energy efficiency and throughput as well as ease of maintenance. Innovation at the cutting edge. read more
bulk solids handling Journal White Paper Piston and Piston Diaphragm Pumps for Long-Distance Hydraulic Conveying For the hydraulic long-distance conveyance of solids, principally piston and piston diaphragm pumps are employed. The selection criteria for the economic employment of piston and piston diaphragm pumps are essentially the abrasiveness of the solids, the conveying pressure and the solids particle gra…read more
bulk solids handling Journal Case Study PWH in Australia PHB Weserhütte Aktiengesellschaft, shortly PWH, has three divisions in the Federal Republic of Germany (Cologne, Bad Oeynhausen, St. lngbert) and numerous subsidiaries and associated companies throughout the world (Australia Brazil, Germany, France, England, Spain Austria, South Africa, USA). 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 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 BHS-Sonthofen optimizes crushing at Dachser Fertigbeton-Kieswerke Building materials supplier Dachser is currently expanding and optimizing its gravel plant in Türkheim by integrating a second rotor impact mill of type RPM 1113 from BHS-Sonthofen. In addition, BHS supplied the complete control system to ensure seamless coordination of the two machines. This makes…read more
bulk solids handling Journal White Paper Why new Splices fail – Splice Failures resulting from Rubber Compound Incompatibility An ailing economy has forced users of conveyor belting to find ways in which to extend the life of the belt. This can be achieved, but only if the conveyor system is well maintained and operated within original design parameters. In the recent past, a significantly aged belt was replaced by a new be…read more
bulk solids handling Journal Technical Article Introducing Geostatistics to the China Clay Industry E.C.C. Ltd. extracts clay matrix from primary kaolin sources in the South West of England, the properties of which are inherently variable. Quality control procedures during the stages of processing ensure that the final products meet market requirements. Bore hole samples are used to assess the geo…read more
bulk solids handling Journal Research Paper How to design Energy Efficient Belt Conveyors The University of Newcastle has undertaken a systematic research program to identify, model and measure key design elements to reduce the energy consumption of belt conveyors. Research outcomes include the development of theoretical models to accurately predict the main resistances of belt conveyors…read more