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Solids Handling

This large-capacity mill has design features of smaller ones

The new 36-in. Orbital Bottom Side Feed Mill is designed to process 3,000–6,000-lb/h capacities, and combines design features normally found only in smaller mills, says the manufacturer. The combination of the bottom side feed and orbital-mill design elements is said…

Granulate and recycle plastics waste for less energy

Among the products being exhibited at the Fakuma Plastics Recycling Trade Show (Friedrichshafen, Germany; October 16–20) is the Granulator SML 45/60 SB with forced feeding (patent pending). This unit has a special granulator design that can considerably reduce its energy…

A pelletizing system for smaller-scale production

With a production flowrate of up to 600 kg/h, the Sphero 50 underwater pelletizing system can be applied in testing plants and smaller production plants with pelletizing options for virgin polymers, masterbatches, compounds, recycling, organic and wood-based polymers, and more.…

This conveyor is designed for sanitary duty

The P-Series Venturi Loaders are designed specifically for conveying powders in sanitary food, pharmaceutical and chemical applications. The P-Series products can be used for loading hoppers, as well as for loss-in-weight feeder-refill applications. The efficient and compact venturi power unit…

This new pastillation machine requires less maintenance

The new Rotoform 4G system is the latest generation of this well-known solution for granulating a wide range of chemical melts, including sulfur, waxes, resins and agrochemicals. The Rotoform family now numbers ten different models, each meeting the needs of…

Boost productivity with this continuous filter-screen changer

This company has equipped several plants for the production of blown film with continuous screen changers of the type K-SWE. The screen changers were equipped with a separate control to guarantee smooth and reliable filter change during operation. The retrofit…

Bag unloading is more flexible with this system

This new Mobile Half-Frame Bulk Bag Unloader integrates a multipurpose hopper with a flexible screw conveyor to create a unit that can improve plant efficiency by easy repositioning to accommodate alternative bulk-delivery stations as well as manual bag discharge. The…

A Primer on Gas-Solid Fluidization

The earliest application of the fundamental concepts of fluidization dates back to 16th century when a German scientist (Georgius Agricola) described a process to upgrade ores. However, it was not until the 1930s, with the development of the Winkler coal-gasification…

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Automated Weigh-Batching Systems

Automated systems for batch weighing can improve overall product quality by raising the accuracy and consistency of the mixture compared to what can be achieved with the manual addition of pre-weighed bags. Automated batch-weighing systems integrate load cells with connections,…

Rules of Thumb For Pneumatic Conveying Pipelines

Quite often, during the design of conveying systems, not enough attention is paid to the design of the conveying pipeline and its components. This disregard often leads to some major conveying system problems such as low conveying rates, conveying line…