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 Research Paper Principles of Hydraulic and Pneumatic Conveying in Pipes The principles for the calculation and the design of pneumatic and hydraulic conveying plants cannot be fully treated within the space available here. Only some essential points will be discussed which are related directly to the pipe flow of solid-fluid mixtures and which relate to the actual conve…read more
bulk solids handling Journal Technical Article Simplified Computerized Design of Pneumatic Conveyors The purpose of the design guide outlined below is to obtain the system parameters such as relative pressure drops, velocities, and blower data such as flow and pressure values for pressurized pneumatic conveying systems with a single value of {constant) pipe diameter. The designs are based on the me…read more
bulk solids handling Journal White Paper Can you go with the Flow? Solids Flowmeters for Industrial Applications Solids flowmeters are an interesting solution to indicate flow rates in pipes and chutes. “Interesting” because they are only moderately accurate, costly, require a lot of tuning after installation and are usually only as good as the whole process around them. Nevertheless, the technology exists…read more
bulk solids handling Journal Technical Article Steel Pipe for Slurry Pipelines In every instance, steel pipe fulfills the requirements demanded of slurry pipelines. They have the strength to absorb stresses, the essential deformability for their manufacture, pipe-laying, and operation, and the toughness required from the point of view of fracture mechanics. They allow the cons…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 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 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 White Paper Mining with a Shortcut: A gentle Alternative to Drilling and Blasting The deposit of Shenhua Beidian Energy is the first mine in China where surface miners are used for efficient coal mining that is gentle on the environment at the same time. The mining method has been specifically chosen because it entirely dispenses with drilling and blasting operations and the need…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 Dust-free Bulk Unloading – Mobile High-performance De-dusting during Railcar Unloading A new dust removal facility for bulk unloading has been installed at Thyssenkrupp Steel's blast furnace operations in Duisburg-Hamborn, Germany. Due to the high efficiency of the system, dust emissions have fallen below statutory limit values. read more
bulk solids handling Journal Research Paper High-Pressure Coal Feeding Techniques Using Bin-Type Feeders Starting from a brief introduction of the high-pressure bin-type coal feeding technique, a hydrohoisting system successfully developed in China and applicable to deep shafts and to mines intending to keep a low percentage of degradation of lump coal product or to mines producing ROM with a high pyri…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 Case Study The Tuticorin Coal Terminals: Features of an Unloading Facility for TNEB’s Power Plants In Tuticorin, India, Tamil Nandu Electricity Board operates a five-units coal fired power plant, that receive coal via rail and sea route. Although shore-mounted continuous unloading systems were also considered during the development of the terminals, geared vessels with mounted grab unloaders made…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 Case Study Grain Loading at Ukrainian Port – Unique Radial Telescopic Shiploader replaces several Gantry Cranes A new radial telescopic shiploader was installed in an Ukranian port for the rapid loading of grain. Special features like the partially rail mounted design for parallel movement along the berth make this shiploader a unique machine. read more
Case Study CANDI Plastic Recycling profits from ETTLINGER filtration technology CANDI Plastic Recycling GmbH, a materials recycler in Sollenau (Austria) trusts in filtration technology from ETTLINGER Kunststoffmaschinen GmbH. An ERF 200 high performance melt filter on one of its two extrusion lines is used to process industrial plastic waste with high aluminum or paper fraction…read more
bulk solids handling Journal Case Study Conneaut: An Economical Superport The Pittsburgh and Conneaut Dock Co.'s ore and coal bulk handling facility at Conneaut, Ohio on Lake Erie, Is one of the largest bulk terminals in the world. The author describes the design philosophy and the various construction stages of this superport and shows why and how economical terminal cha…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 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 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 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 Blockage of a Slurry Pipeline The Ministry of Construction plans to dredge the Tsurumi River and to transport the dredged material by a slurry pipeline. As this pipeline is planned to cross the mouth of the river and the channel, the possible block age in this submarine pipeline should be investigated before construction. I…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