bulk solids handling Journal White Paper Screw-type Technology for Economical Ship Unloading Peter Göransson, sales manager for Siwertell AB explains how it is possible to achieve significant long-term savings through the use of high-capacity unloaders. read more
Case Study ContiTech: Continental Conveyor Belts working flat out on Mega-Tunnel Project in Stockholm Conveyor belts designed by technology company Continental are being used to transport rubble from one of Sweden’s biggest infrastructure projects: “Förbifart Stockholm” (Stockholm Bypass). The bypass, which is situated to the west of the Swedish capital, has been under construction since 20…read more
bulk solids handling Journal Technical Article Dimensioning and Application of Belt Conveyors with Intermediate Belt Drive (T-T System) For the continuous handling of bulk materials, free of transfer points belt conveyors with belt-to-belt intermediate drives are of advantage. Apart from controlling belt tensions in long and steep, ascending and descending conveyors, safe belt tracking horizontal curves with the smallest radii can b…read more
bulk solids handling Journal White Paper Meeting the Requirements: Getting the Best from Conveyor Belts Conveyors continue to remain the most effective method of on-site transportation but their durability and reliability can be critical factors in both productivity and cost management. Experienced users certainly need no reminder of the huge cost implications of a plant downtime because a conveyor be…read more
bulk solids handling Journal Technical Article Skip-Conveying in Opencast Mines – An Approach to optimise Cost and Energy Efficiency in Hard Rock Mines A special mining method developed by thyssenkrupp allows ore and overburden in hard rock mines to be transported more efficiently and with significantly lower environmental impact. It involves an integrated conveying and processing system to avoid heavy truck transportation in inverted cone-shaped o…read more
bulk solids handling Journal White Paper How to Convey Hot Stuff – Steel Apron Conveyor for Transport of hot Bulk Solid Materials Steel apron conveyors are heavy duty conveyors especially for high temperature bulk materials. In the following some design specifications for a long lasting, failure free operation of such systems are presented by means of a newly developed system. read more
White Paper Safe Confined Space Entry for Chutes, Silos and Hoppers An estimated 7% of the U.S. fatalities recorded by MSHA between 1995 and 2011 occurred in a confined space. To reduce that number, conveyor operators are wise to understand exactly how a confined space is defined, and to consider what they can do to prevent serious injuries.read more
Case Study Modern Process Equipment: Chain-Vey for Flour outperforms Screw Conveyors and Pneumatic Conveyors A large flour producer in the US manufactures and distributes corn flour as an ingredient in various food products. Roughly one year ago plant engineers installed three 6-inch Chain-Vey tubular drag conveyors for the transport of yellow and white corn flour. The Chain-Veys supplied by Modern P…read more
bulk solids handling Journal Case Study 15 Years Oilsand Transportation by Belt Conveyor Systems - From a Manufacturer's Viewpoint The authors review the special problems related to handling oilsand by conveyor belts. Very low temperatures and the nature of the product to be conveyed pose the most serious problems. read more
bulk solids handling Journal White Paper Tubular Drag Conveying – A Cost-Effective and Energy Saving Alternative to Pneumatic Conveying While pneumatic conveying has advantages in specific applications, a totally enclosed tubular drag conveyor can offer similar advantages, while also mitigating material degradation and separation, maintaining low energy consumption and reduced explosion risk. read more
bulk solids handling Journal Technical Article The Importance of Non-linear Strain Considerations in Belt Conveyor Indentation Loss Energy loss due to rolling resistance of rubber belts is a major factor in conveyor design and its determination is dependent on the properties of the rubber compound of the belt backing. Vulcanised, carbon black-filled backing compounds typically exhibit the so-called Payne effect, where, under cyc…read more
bulk solids handling Journal Technical Article Residuals Removal at Maritza E 1 – Design, Installation and Commissioning of a Tube Belt Conveyor With the reconstruction of the power station Maritza East 1, the residual materials disposal system has also been reorganized. This project was contracted to Takraf in 2006. The heart of the residual material transportation system is a 4.5 km tube conveyor that follows the course of an old railway l…read more
bulk solids handling Journal Case Study Creating Value from Overburden: Valuable Rock Grade obtained from Contaminated Feed Material he new dry process clay adhesions from screen waste produced in quarries and gravel pits. Operators report that they are able to convert more than 90 % of contaminated feed material into salable rock grade using the ‘Combimix’ system. read more
White Paper Conveyor Guarding by Location: Danger and Compliance The global leader in conveyor safety is disputing the idea that putting conveyor equipment out of reach or inconveniently placed away from workers -- known as “Guarding by Location” – is a valid form of safety. After decades of safe equipment design and comprehensive conveyor safety trai…read more
Case Study Flexible Screw Conveying System ups Production of Powdered Food Premix The fast-growing Food Division of Blaine Manufacturing Corporation manufactures seasonings, premixes and blends, provides tolling services, and supplies food ingredients such as flavors, herbs, spices, vitamins, minerals, vital wheat gluten and many other raw materials to the food industry. read more
bulk solids handling Journal Technical Article Options for Long-Distance Large Capacity Conveying – A Comparison of Continuous Overland Conveying Systems The conventional overland conveyor is limited in ability with respect to gradient and alignment curvature. However, there are two less-traditional conveying systems worthy of evaluation against conventional conveyors for long-distance, large-capacity installations, the Cable Belt and the Ropecon Sys…read more
bulk solids handling Journal Research Paper Application of FEM Analysis for Development of a Pipe Conveyor Test Stand A test stand was designed to study the behaviour of the belt material and to determine the forces exerted at the idler housings of a pipe conveyor. To predict the forces working within the belt during the pipe-forming process and the reaction of the belt material a model was prepared using Finite El…read more
bulk solids handling Journal White Paper Checking a Belts Intactness – Surface Scanner Makes Conveyor Belt Damage Visible Belt conveyors are the lifeline of many bulk materials handling operations. Therefore, their continuous availability is of paramount importance. To help operators keep their systems running, Contitech offers a variety of inspection systems that present the conveyor belts actual state. read more
bulk solids handling Journal Technical Article Pipe Conveying the next Stage: A new Technology for Steep Incline High Capacity Open Pit Conveying A new conveyor design is set to help reduce conventional heavy-duty truck traffic and the resulting high operating costs in open pit mines. This article (ed. note: publ. 2016) presents the design and the initial findings of the feasibility study on the Chevron-Megapipe conveyor for a 350 m-deep open…read more
bulk solids handling Journal White Paper Continuous Belt Weighers This paper gives a general introduction to the subject of continuous belt weighing and non-contact weighing and highlights a series of special purpose devices including the new concept of the Nuweigher continuous weigher suitable for incorporation into completely automated processing schemes. read more
bulk solids handling Journal Technical Article Dimensioning and Application of Belt Conveyors with Intermediate Belt Drive (T-T System) For the continuous handling of bulk materials, free of transfer points belt conveyors with belt-to-belt intermediate drives are of advantage. Apart from controlling belt tensions in long and steep, ascending and descending conveyors, safe belt tracking horizontal curves with the smallest radii can b…read more
bulk solids handling Journal White Paper A Maintenance-Free Splice for Belt Bucket Elevators The application of belting for bucket elevator service is a small part of a giant industry. In the U.S. alone, elevator belting is less than 5% of the total material handling belting sold for industrial applications. Although it is a small amount, it plays an important role in specialized applicatio…read more
bulk solids handling Journal Research Paper Form Force Behaviour of Pipe Conveyors in Different Curve Radii For a reliable operation of the pipe belt, the bending stiffness in transverse direction has a great importance. Form forces should neither be too small, not too high. Moreover, a minimum bending stiffness of the belt is necessary, to ensure the required form stability of the belt and to prevent the…read more
Advertorial White Paper Avoiding the Rip off – A Guide to Chevron Conveyor Belts Chevron profile conveyor belts are a key component on a huge variety of mobile plant and equipment. Despite the important function they fulfil, very little is known about them technically. As a consequence, even less is understood as to why some are so much more efficient and less troublesome than o…read more