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
bulk solids handling Journal Case Study Safe Silo Cleaning – The Whip kept Material flowing at Illinois Cement, USA When the Eagle Materials Illinois Cement facility experienced a serious blockage in its 80000 ton storage silo, the company employed an innovative pneumatic cleaning technology that was remote controlled from outside the domed structure. read more
bulk solids handling Journal Research Paper Stresses in Silos Part 1: Bulk Solid Properties - Stresses in the Vertical Section An important part of bulk solids technology is the understanding of stresses (bulk solid pressures) acting on silo walls which, in turn, is important for the stability of silos. However, the behavior of bulk solids is taught in universities within the frame of mechanical process engineering, or conv…read more
bulk solids handling Journal Technical Article Continuous Combustion – Plug Screw Feeder Technology for Biomass Pyrolysis Systems Feeding biomass materials into pyrolysis and gasifier processes to produce energy can be a difficult task, because they are often poor flowing and may contain foreign matter. The challenge is to feed this material at a consistent rate into a combustion chamber. read more
Case Study Davert opts for BEUMER Stretch Hood A for packaging its palletised organic Products Davert GmbH specialises in organic foods and stands for the continuous further development of processing methods and careful monitoring of these products, from cultivation to packaging. And this is where BEUMER Group comes in. The finished, high quality organic products like rice, legumes and cereal…read more
White Paper BEUMER Group supports Bulk Material Terminals at Ports: Adapting to ever-changing Circumstances Dry bulk ports and terminals are in a state of constant change. The materials they handle change and so, too, do the quantities. Operators are constantly having to adapt to new requirements. They want to automate their activities as much as possible while also remaining flexible. They need more spac…read more
bulk solids handling Journal Technical Article Variable Torque Drives – Advantages of Hydraulic Motors in Bulk Material Handling Applications To design a drive chain as close as possible to the output required can be very challenging. If the maximum load differs widely from normal operating load, safest solution is to select a drive which is compatible for both maximum load and maximum speed. 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
Case Study Tüfentobel RopeCon®: Material is passed over to second system in mid-air for even more flexible discharge point Since the year 2005, a RopeCon® system by Doppelmayr Transport Technology GmbH, Austria, has been transporting inert material along a long-stretched valley at the Tüfentobel landfill site, which will eventually be backfilled. The belt is being extended in several stages. It discharges the material…read more
White Paper Bucket Elevator Inspection Periodic inspections of bucket elevators should be an essential part of any maintenance program. Often it is helpful to conduct these with a trusted vendor who can provide insight into solutions that go beyond just part replacement. The following are examples of common issues found during bucket ele…read more
White Paper 3D Level Sensors can solve the toughest Food Storage Challenges For almost a decade, 3DLevelScanners have been providing highly accurate level and volume measurement in challenging materials contained in bins, tanks, and silos. Measuring and mapping the material surface, these sensor sends pulses in a 70° beam angle, taking multiple level measurements and accou…read more
bulk solids handling Journal Technical Article Tough Conditions, robust Run – Rolling Bearings in Bulk Conveying Applications In the bulk conveying industry, new improvements in rolling bearing technology open new application fields or allow the optimisation of existing designs by increase the bearing life or realising a power enhancement. read more
bulk solids handling Journal Case Study Saving Gold from Landfills – Recovery of Metals from fine Shredder Fractions Fine fractions of shredded automobile scrap and electronic equipment still contain consid- erable amounts of precious metals which until now have invariably been deposited in landfills. A new one-of-a-kind process allows to reclaim and sell these metals profitably. read more
bulk solids handling Journal Case Study Whipped into Shape – Concrete Mixing Plant Relieves Pressures with Silo Cleaning Service When their silo walls bulged due to increased internal stresses, which resulted from material build-up within the silo, a North American Ready Mix Concrete plant looked for a possibility to empty the silos without the need to enter them. read more
bulk solids handling Journal Case Study Transfer Point Upgrades – raising Throughput, reducing Dust and Spillage The terminal operator Kinder Morgan has announced completion load-out hopper and four belt conveyors carrying 1500 tonnes per hour of mineral ore concentrate, complete with five transfer points that comply with the company's "zero spill" principle. read more
bulk solids handling Journal Technical Article A Comparison of Calculated and Measured Indentation Losses in Rubber Belt Covers Energy loss due to indentation rolling resistance is a major factor in belt conveyor design. The determination of the indentation rolling resistance of a conveyor belt over the idler system depends on the properties of the rubber compound of the backing, the method of calculation of the resistance v…read more
Case Study Doppelmayr: Ropeway as a means to transport People and Material The Cerattepe underground copper mine of the Turkish Eti Bakır A. Ş. mining company (a member of Cengiz Holding) is situated in very mountainous terrain approx. 3.5 km southwest of Artvin, a city in the Black Sea region in north-eastern Turkey. The mined copper ore is transported to the river with…read more
bulk solids handling Journal Technical Article Bulk Materials Storage Design: Considerations for the Design of Materials Handling Storage Plants Bulk material storage is either used for buffering between different handling/processing steps (e.g. ahead of the washing plant in mines) or as an “equalizer” in batch-wise working processes. Associated problems and counter measures are described hereafter. read more
bulk solids handling Journal White Paper Cleaning the Cleaners – A healthy Conveyor System begins and ends with Cleaning and Maintenance Belt conveyors are an integral part of almost any plant in the base materials industries. Their function is of paramount importance for the entire plants. Following you’ll find the “Why’s” and “How to’s” for an effective conveying plant. read more
bulk solids handling Journal Technical Article The CEMA Horsepower Equation – Development of a new Conveyor Power Prediction Methodology The 7th edition of Belt Conveyors for Bulk Materials (known as “The Belt Book”) includes a new conveyor power prediction methodology using “Large Sample Indentation Test” (LSIT) data. This paper provides background and insight into how LSIT data is used to design conveyors, and describes t…read more
bulk solids handling Journal Research Paper Pipe Conveyor Test Rigs: Design, Application and Test Results - Part B This paper is part of a publication series devoted to an overview of the existent pipe conveyor test rig designs with respect to the obtained contact forces. There are three parts: Parts A and B are devoted to the static test rig configurations, and Part C – is devoted to dynamic measurements. The…read more
bulk solids handling Journal White Paper Belt Conveyor Audits – Saving Time and Money with a simple System Analysis Bringing in a third party who can assess the belt conveyor system and provide operations with the feedback needed to keep the plant running could be the difference between having a record-breaking year and a back-breaking year. read more
bulk solids handling Journal Case Study Improving Raw Material Storage Plant Performance – Highly cost-effective Process with Cranes Operating 24/7 To increase the performance of its Lixhe operation the Belgian cement manufacturer CBR, a subsidiary of the Heidelberg Cement Group, has automated its raw material storage by installing a warehouse management system together with a new 9-t process crane. read more
bulk solids handling Journal Case Study It’s all about the Mix – Mixing and Granulation of Sinter Material in the Steel Industry With regard to abrasiveness sinter raw materials in the iron and steel industry are among the most demanding when it comes to mixing processes, especially, as these have to performed continuosly on a 24/7 basis. read more