bulk material flow Articles

  • Moving difficult-to-handle bulk materials with flexible screw conveyors

    Flexible screw conveyor systems can be engineered to transport bulk materials that tend to pack, cake, smear, break apart or fluidize, and can prevent the separation of blended products. Flexible screw conveyors (Fig. 1) are suitable for most bulk materials, from sub-micron powders to large pellets, both free-flowing and non-free flowing. They are capable of conveying bulk materials at any angle ...


    By Flexicon Corporation

  • New developments of vibratory feeders for large bulk material reclaim systems

    Summary The efficient economical storage, movement, control and blending of large tonnages at coal handling installations such as mines, power plants and port facilities require new and improved designs of vibratory equipment. Environmental and investment impact as well as operational advantages must be considered in the development of any new reclaim system. ...


    By General Kinematics

  • DELUMPER Bulk Bag Unloader (BBU)

    The DELUMPER Bulk Bag Unloader (BBU) is a heavily constructed system designed for convenient unloading materials even if they contain lumps and agglomerates. This unit employs a gyrator to effectively fluidize the materials for dependable discharge from the bags.  Then,  a heavy duty built-in DELUMPER crusher conditions and freshens the product. The result is an effective pre-engineered ...


    By Franklin Miller Inc.

  • Adapter bacteria control oil spill in bulk

    Introduction Microbac was called in to advise on a required treatment for an integrated bulk oil handling facility and sea-land terminal, receiving, storing and shipping a wide variety of liquid fuels, inorganic chemicals and petrochemicals, many of which are toxic to microorganisms. The variable and complex waste streams from tank truck cleaning, ballast and tank cleaning discharges from ...


    By Microbac Ltd

  • The true value of magnetic separators and metal detectors in bulk handling

    Introduction The purpose of a bulk material handling may be to transport material from one of several locations to an ultimate destination or to process material such as ore in concentrating and smelting or handling materials for manufacturing. The handling of dry materials in loose bulk form involved the extensive use of static machinery such as belt conveyors, screw conveyors, and various ...


    By Eriez Magnetics Europe Ltd

  • Higher-Quality Pumps Work Best For Bulk Liquid Terminals

    When you’re running a dockside petroleum liquid products, chemicals and LPG/LNG or multiple bulk liquids terminal, your reliability as a supplier – and the ability to win repeat business – is heavily reliant on the quality of the fluid-handling equipment and pumping systems on hand. Reliability rules For terminal operators, reliable handling and high transfer ...


    By DESMI A/S

  • Gentle unloading of sodium perborate from bulk vehicles by pneumatic plug conveying

    Subject: Unloading bulk vehicles; conveyor system; conveying distance 9 meters horizontal, 12 meters vertical   Client: Labud d.o.o., Zagreb, Croatia   Gericke Technology: Gentle unloading of bulk tankers; PTA-PL system (Pulseline®). Mobile docking station with integral controlunit, additional equipment for controlled and pulsed secondary air, injections along the pipe ...


    By Gericke

  • Bulk reactive media utilized in sediment cap remedy for large-scale remediation project case study

    Project: West Branch Grand Calumet River Reach 1-2, Roxana Marsh Legacy Location: East Chicago. IN Products: Organoclay2 PM-199 Background: in 2011. clean up began on Reach 1 and Roxana Marsh in the West Branch of the Grand Calumet River. This project involved mechanical and hydraulic dredging and removal of 222,000 cubic ...

  • Low-Flow (Minimal Drawdown) Ground-Water Sampling Procedures

    Untitled Document Background The Regional Superfund Ground Water Forum is a group of ground-water ...


    By Solinst Canada Ltd.

  • Removal of Microorganisms from Domestic Greywater Using a Recycling Vertical Flow Constructed Wetland (RVFCW)

    ABSTRACTThe reuse of greywater (GW) is an attractive addition to water management options. One of the major concerns limiting GW reuse is the possible presence of harmful microorganisms. In addition to total coliform organisms, enteric organisms (Salmonella, Shigella and poliovirus Type 1 Cryptosporidium, Giardia) and opportunistic pathogens ( Staphylococcus aureus and Pseudomonas aeruginosa) may ...

  • Unloading, feeding, conveying, storage, security sieving and drum filling of lactose

    Subject: Expansion of the existing facility in Nörten-Hardenberg to enable the production of Direct Compression Lactose (DCL).   Client: DMV International in Nörten-Hardenberg (Germany)   Gericke Technology: A Gericke Pulse Flow transport vessel type PTA 80 is used to convey the raw material from big-bags to a feeding hopper.    The Gericke Vibrating Bin ...


    By Gericke

  • Weigh batching: the benefits of an automated system

    In many plants that batch-blend bulk products, weigh batching is a manual, time-consuming operation in which ingredients are weighed individually before being charged to a blender or other process vessel. A significant number of such plants could benefit from the installation of an automated weigh batching system. For small as well as large operations, an automated weigh batching system can pay ...


    By Flexicon Corporation

  • Water distribution network quality model calibration: a case study – Ahar

    In water distribution network calibration of quality models, bulk and wall decay coefficients are considered to be the adjustable parameters. The bulk decay coefficient is usually gained by using a laboratory bottle test method, but the wall decay coefficient is calibrated with field data of residual chlorine at nodes. This paper aims to present a method to adjust the wall decay coefficients ...


    By IWA Publishing

  • Art or Science?

    The choice between dilute phase pneumatic conveying and flexible screw conveying is not always clear Everyone has rules of thumb when it comes to choosing a conveying system — rules based on bulk material characteristics, required flow rates and distances, source and destination, plant configuration, and other variables. But those with experience in all types of systems will tell ...


    By Flexicon Corporation

  • The most efficient distance between two points

    When bulk material characteristics, process parameters or space restrictions call for a flexible screw conveyor Deciding on the single most efficient method to move your material from point A to point B is a matter of simple deduction: just match your material flow characteristics, process parameters and space limitations to the performance windows and dimensional restrictions of ...


    By Flexicon Corporation

  • Typical process weighing applications

    Process weighing relates to the weighing of a powder material as part of a production process. The technology includes continually monitoring a material in a silo, discharging material by weight or rate, or even weighing products on the move. This article gives an overview of most of the typical process weighing applications that are used in all sorts of industries: level or inventory measuring ...


    By Hardy Process Solutions

  • Spending small to save big in a downturn

    How strategic upgrades in bulk handling components can pay off in the short term "You can"t save your way to solvency" goes the business adage, but suggesting major capital improvements with long-term pay-out in tight economic times may send your co-workers running for cover. Prosperity can often be found between both extremes, where strategically placed equipment upgrades can instantly reduce or ...


    By Flexicon Corporation

  • Grain case study - National Oats Co.

    National Oats Reduces Maintenance and Replacement Costs, Improves Flow Control with HammerTek Smart Elbow® "Cost-effective, compact, convenient and durable." That's how National Oats' Bob Williams, chief project engineer, describes the HammerTek Smart Elbow®. The installation of three Smart Elbows proved to be an effective flow control remedy, reducing turbulence and abrasion to the ...


    By HammerTek Corporation

  • Pneumatic conveying line into reaction vessel

    Description: Pneumatic dense phase conveying system over a distance of 200 metres Customer: Rhdne Poulenc Gericke technology: Dense phase PHF conveying system injecting product into a reaction vessel. The reaction vessel is under pressure and the conveying vessel is mounted onto load cells with fully automatic sequencing controls. Application: Manufacture of special rubber; PVC stabilisers ...


    By Gericke

  • Properties and Behavior of Fuels

    Fuel contaminants are generally nonhalogenated. Information presented for nonhalogenated VOCs and nonhalogenated SVOCs may also be appropriate for many of the fuel contaminants presented in this subsection. Contamination by fuel contaminants in the unsaturated zone exists in four phases: vapor in the pore spaces; sorbed to subsurface solids; dissolved in water; or as NAPL. The nature and extent ...

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