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 Pipe Behaviour in Bottom Ash Slurry Systems This study presents the results of an 18-year long investigation of pipe deterioration in cyclone stag slurry transport. The goal was to study pipe behaviour in this extremely abrasive service and select an optimum piping material. Comparisons are given for high quality alloy cast steel pipes and pi…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
Technical Article Matching Feeder Extraction Pattern with Hopper Hopper design is primarily based on the nature and physical properties of the material to be stored, but the feeder is also very important. The first decision is to choose an appropriate flow regime, Generally, mass flow is selected for products that deteriorate over time, funnel flow for inert, fre…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 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 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 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
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 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 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 The Current Status of Hydraulic Backfill Techniques in South Africa The gold mining operation in South Africa produces a mix ture of gold-bearing ore and broken waste rock which, after a primary separation of the barren waste is hauled to the surface. The end products of the mining operation are gold and two types of waste material, a broken rock and a silt sized ro…read more
Case Study Benninghoven implements first virtually carbon-neutral Asphalt Production in Germany At the request of the operating company, an asphalt mixing plant in Aichach, Bavaria was to be powered exclusively by renewable energy and to be largely carbon-neutral. Asphalt mixing plant manufacturer Benninghoven was called in to implement the plan for green asphalt. Asphalt production now uses w…read more
bulk solids handling Journal Case Study Big is never big enough – Designing industrial Raw Material Milling Plants made faster Milling Plants in the Cement Industry (as well as in related industries) are very demanding. Plants have to operate around the clock, and drive capacities of up to 12,000 KW and grinding capacities of up to 1000 t/h are being discussed. Due to the trend towards ever increasing plant capacities the d…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 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 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 Material Buildup? Blow it away – Air Cannons hammer Preheater Buildup at Nebraska Cement Plant An American cement producer faced severe problems of material buildup in his preheater. Manual hydro-lancing meant process disruptions. So they approached Martin Engineering for a more sophisticated solution. read more
bulk solids handling Journal Case Study A Review of Control Systems in Australian Grain Terminals The four important centres of operation and control in grain terminals, i.e., receival hoppers shipping weighers shipping control room and main control room are discussed and control systems in some of the more recent terminals and terminal extensions in Australia are described. 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 Pneumatic Conveying Equipment for the Mining Industry The author describes heavy duty equipment for the application of dilute-phase pneumatic conveying of large-size abrasive rock or coal under rugged underground mining conditions which can have advantages over conveyor belts bucket elevators or other forms of transport. 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 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 Hydrotransport in Coal Mines The utilization of water as a transporting medium for coal belongs to a section of technology which is still unfamiliar to large sections of the mining industry. As a function of direction of the hydraulic flow to gravity hydrotransport can be classified into three groups. read more