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
Case Study BHS Mixers used in a major Project to build a Hydro Dam in Portugal Talleres Alquezar has been successfully using two BHS mixers in a modular plant to produce a total volume of 400,000 m3 of hydro dam concrete in Portugal since 2017. The twin-shaft batch mixer has debunked the industry myth that the technology is unsuitable for these types of concrete mixes and has …read more
bulk solids handling Journal Technical Article Belt Weighing Test Facility at Warren Spring Laboratory The economic and other advantages of belt weighers are reviewed and a history of research into belt weighing at Warren Spring Laboratory (WSL) is given. The paper then describes the aims and objectives of the present Belt Weighing Co-operative Project, which includes industrial sponsorship, and its …read more
bulk solids handling Journal Case Study Crushing the Production Bottleneck – Cone Crusher brings Production Boost to Raj Stones Through the use of Sandvik technology, Raj Stones, based in the United Arab Emirates, has reinforced its position as one of the premier aggregate suppliers in the region. read more
bulk solids handling Journal Case Study United States Ports: Coal Based Expansion In the past 18 months 'International Bulk Journal' has published approximately 80 pages of text discussing in depth issues affecting the expansion of dry bulk handling ports on the North American continent. These detailed the various projects on the U.S. east and west coasts the Canadian west coast …read more
bulk solids handling Journal Case Study Port Kembla - A State of the Art Coal Port The new Port Kembla coal loader, dedicated on November 22, 1982, was developed to satisfy the following criteria: superior environmental protection, capacity, one hour train tum-around time, environmentally acceptable unloading of 200,000 trucks a year, high reliability, ease of maintenance and clea…read more
bulk solids handling Journal Technical Article Self-Unloaders - Evaluating the Economic Advantages Too often the economic evaluation of self-unloading ships is done by comparing their rates with those of conventional ships. The objective of this article is to show that the economic evaluation of a self-unloader relative to conventional ships requires that all relevant costs be considered, not jus…read more
bulk solids handling Journal White Paper Design of Coal Storage Barns Using Reinforced Earth The concept of large capacity gravity flow storage barns with steeply sloping interior sidewalls is coming into widespread use at various process and transportation interfaces of both producers and users. Such storage facilities with their high-volume discharge capability provide many economies in l…read more
bulk solids handling Journal White Paper Coal Shiploaders for the Mississippi The author compares various shiploader designs and gives price estimates on the basis of mid 1980 bids covering marine construction and equipment. Three schemes were compared: traveling loader, dual radial loaders and single linear loader. These systems are ranked according to their production rate,…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
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 Flow and Pressure during Centric and Eccentric Discharge in Cylindrical Silos This article presents an experimental investigation of the flow pattern and wall pressure due to centric and eccentric discharge. The experiment were performed on a metal silo prototype using corn as a granular material. The silo prototype used in the study was built of a metallic cylinder, which ca…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
bulk solids handling Journal Case Study Port of Bristol Bulk Handling Terminal In early 1991 Balfour Beatty, one of Britain's major civil construction companies and Birtley Engineering, the country's largest bulk handling contractor, formed a joint venture to tender for the major importation terminals which were planned by the two major power generators in the U.K., National…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
White Paper Rösberg Engineering: Functional Safety Management in the Process Industry Treating the cause and not the symptoms For plant owners in the process industry, cutting corners on safety to reduce costs can be a very expensive mistake. One dramatic example is the oil spill in the Gulf of Mexico, which was a direct consequence of the explosion on the oil platform Deepwater Hori…read more
bulk solids handling Journal Case Study Leith Coal Outloading Plant Different grades of coal are at present unloaded and outloaded within the esturial ports administered by the Forth Ports Authority. Grabbing cranes unload the coal to road vehicles and railway wagons and the outloading of coal is handled using a modern 3,000 tonnes per hour (t/h) capacity coal outlo…read more
bulk solids handling Journal Technical Article The Filling, Closing and Handling of Sacks Following a reference to the types of sacks available the considerations affecting the choice of sack packaging equipment are examined. Descriptions of basic open mouth and valve sack packing installations are given. The principles of operation of the various types of packers and their applications…read more
bulk solids handling Journal Case Study Transforming Waste to Value! Municipal Recovery Facility safes Resources and Dump Space Municipal waste contains a high percentage of materials, whose recycling can be profitable due to the substitute of (limited) resources as well as saving valuable dump space. In Perth, Western Australia, a highly advanced facility has just gone operative. read more
bulk solids handling Journal Case Study Programmable Controllers at New Pellet Terminal Programmable Controllers are utilized extensively at the Lorain Pellet Terminal in Lorain, Ohio, USA. This facility was commissioned in August, 1980 making it the latest and most modern transshipment terminal on the Great Lakes. Several different types of iron ore pellets are received by self- unloa…read more
bulk solids handling Journal White Paper Recent Advances in Sack-Emptying Technology Sacks are widely used as a method of storing powdered, granular and fibrous materials. The major drawback associated with this method of storage is discharging material from the sack in a clean and efficient manner. This paper traces the design and development of a Fully Automatic Sack Emptying…read more
Case Study motan Trocknungs- und Fördertechnik bei WITTE Automotive in Ostrov - Tschechien Im 2016 eröffneten WITTE-Werk in Ostrov, Tschechien, wird insbesondere Kunststoff-Spritzguss, Lackierung und Montage betrieben. Eine wesentliche Anlagenkomponente ist die hochautomatisierte zentrale Förderanlage für Kunststoffgranulat zu den Spritzgießmaschinen. Sie wurde von der deutschen motan…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 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