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 Case Study Design and Construction of Alberta Wheat Pool's Annex No. 4 V.B. Cook Co. Limited is proud to have participated in a project that they believe to be a trend setter in modern, safe and efficient grain storage facilities. On January 22, 1979 the Honourable Otto Lang, Minister of Transport, pushed the control switch to begin grain flowing from Alberta Wheat Poo…read more
bulk solids handling Journal Technical Article The Use of Measured Flow Properties for Dimensioning the Outlet of a Mammoth Silo for Coal Storage This article describes a procedure for predicting the outlet size of a large flat-bottomed coal silo to ensure reliable flow. The design is based on the flow properties measured on relevant samples of the bulk solid and a mixture of existing silo theories and common sense. Due to the special feature…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 Evaluation of Basic Slurry Properties as Design Criteria for the Marconaflo System In developing a means of slurry handling iron ore pellet feed to and from ocean vessels, Marconaflo found it necessary to establish a slurry laboratory to develop the technology and hardware. This paper is a review of the principles involved in such developments and the importance of testing the pri…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 Solids Mass Flow Measurement in Pneumatic Pipelines by F.M. Transducer and Microcomputer The paper outlines the basic design of the frequency modulated capacitance transducer which has been successfully used to measure mass flow rates of materials ranging from conducting metal particles to non-conducting solids with a wide range of permittivities. The sensing electrode used offers …read more
White Paper The Economics of Workplace Safety Conveyor safety is not a modern trend bred by government regulation; it’s a common-sense idea as old as the first conveyor design. In the modern age, safety is a key factor in worker protection, reduced insurance rates and a lower total cost of operation. There are several hurdles to the installat…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 Fast and Dust-free Delivery: Dust Control at Buxton Cement’s Rail Depots To reduce the environmental impact of its cement transport operations, Buxton Cement has transferred regular load from road to rail. Dust abatement systems installed at silos and road tanker loading facilities keep environment pollution to a minimum. read more
bulk solids handling Journal Technical Article Temporary Grain Storages for Commercial Applications For some years the Grain Elevators Board N.S.W. has been conducting extensive trails and economic analysis to determine the optimum type of temporary bulk grain storage structure for N.S.W. conditions. This paper presents some of the results of these investigations. Four types of storage structures …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
White Paper How to select a Continuous Level Sensor Using a continuous level sensor to monitor the material level in your storage vessels can help your operation maintain efficiency – preventing costly process interruptions and keeping you up-to-date on your inventory level. This whitepaper is intended to help operations choose a continuous level s…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 Sampling of Coal in the USA Over the years the use of mechanical sampling systems has grown rapidly in the USA. With about 1 billion (109) tons of coal being mined, the need for accurate sampling systems is proving itself throughout the industry. The complexity of coal sampling, however, has not made it easy to design and…read more
bulk solids handling Journal Case Study ETSI Coal Evaluation Plant The objectives and testwork results of ETSl's Coal Evaluation Plant are summarized and a description of the principal components for preparation, dewatering handling and storing as well as water treatment are given. read more
bulk solids handling Journal White Paper Pneumatic Plant for Discharging Ship's Cargo Some special techniques in the field of pneumatic conveying are described and general operational and technological aspects for unloading bulk ships are discussed in detail. Machinery for unloading ships has been known for as long as goods have been conveyed on rivers and canals. One of the mos…read more
bulk solids handling Journal Technical Article The Use of Computers for Heterogeneous Slurry Pumping Analysis The pipeline transportation of solids by heterogeneous sus pension in a carrying fluid is a complex phenomenon. The well researched documented and reliable hydraulic theory applicable to the flow of a truly homogeneous fluid with measurable properties such as water is not applicable to slurry flow a…read more
Case Study Ready-Mix Plants Prevent Wear and Downtime with Deflection Elbows Concrete Plants, Inc. (CPI) has provided turnkey batch plant equipment, service and parts to ready-mix and precast concrete plants from Maine to South Carolina since 1974. For many years, customers were resigned to abrasive materials wearing through the elbows of their pneumatic conveying system elb…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
Case Study North Incinerator Finds Solution to Excessive Sweep Elbow Wear At Montgomery County's North Incinerator plant, there was a problem several years ago. The Dayton, OH, area trash-to-energy plant was experiencing repeated shutdowns due to sweep elbow failure in its dense phase pneumatic conveying system, a component of the lime injection system in operation there.…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 Research Paper Reclaim Power and Geometry of Bin Interfaces in Belt and Apron Feeders Based on common sense measures and a simplified physical model, some design criteria are given for achieving proper dimensioning of bin interfaces in the case of belt and apron feeders. How the reclaim power closely related to wear, depends on the geometry of the interface between silo and feeder is…read more
White Paper Successful Commissioning of KREISEL Ceramic Rotary Feeder at PPC Hercules This article reports on the benefits of KREISEL Ceramic Rotary feeder ZSV-H towards the screw pumps, and on the successful commissioning of ZSV-H in September, 2015. read more