Solids Handling
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…
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…
PTXi / Powder and Bulk Solids Exhibition and Conference Show 2012
The PTXi / Powder and Bulk Solids Exhibition and Conference will take place from May 8–10 at the Donald E. Stephens Convention Center in Rosemont, Ill. The conference is organized into four tracks: pneumatic conveying; material storage and handling; particle…
Sampling Particulate Materials the Right Way
To obtain a representative sample for particle size characterization, adhere to the golden rules of sampling and follow these best practices In the chemical process industries (CPI) it is often necessary to verify material specification at various points in the…
Agitators are interchangeable on this pilot-scale blender
The 42 NSD-1S is a new multipurpose ribbon blender equipped with interchangeable double-ribbon and paddle agitators. With a maximum working capacity of 1 ft3, the 42 NSD-1S is ideal for most laboratory and pilot-scale blending requirements. This vacuum-rated blender also…
This bulk-bag system allows dust-tight discharge
The Material Master Bulk Bag Discharging System provides dust-tight discharge of non-free-flowing materials. A breaker bar bag-massaging system promotes product discharge, while an actuated discharge-spout-closure system can halt material flow for partial bag discharge. The unit includes a 24-in. square…
A packaging system gets a containment retrofit
This company’s latest retrofit containment project included a Bosch capsule-filling machine that was completed for a U.S. pharmaceutical manufacturer. The design included the gloves being held in special gloveport retainers with integral safety interlocked guards. The operator required less than…