Archives :: Processing & Handling :: Solids Handling :: Milling, Grinding & Screening

Displaying 1 - 20 of 65 stories.
June 1, 2014
When it comes to size reduction, chemical processors seek to improve product quality, increase flexibility and uptime and, simultaneously, reduce costs. Fortunately, equipment manufacturers are working to develop grinding, milling and screening machines that can help chemical processors meet their size-reduction needs. “Customers always want a better quality product, they always want to increase...
November 1, 2013
Milling is a mechanistically driven process that breaks solid material into smaller pieces. Selection of the optimal mill is a daunting task that often leaves engineers relying on vendor suggestions to decide which mill is right for their job. This article addresses a methodology to score and rank the various mills for use with a particular material. In milling, a materials are broken up due to a few basic...
August 1, 2013
Great Western Manufacturing All screening needs are contained in this mobile trailer The Mobile Quality Assurance Sifter (photo) is said to be ideal for inline sifting on product delivery or receipt; sifting at a trans-loading location; silo evacuation or load-out; and emergency situations. The self-contained trailer includes this company’s inline sifter, which features stainless-steel trays...
March 26, 2013
Triple/S Dynamics (Dallas, Tex.; has released “Screening Theory and Practice,” now available for download at This 54-page technical paper, written by James F. Sullivan, former president and chairman of Triple/S Dynamics, distills his 55 years of experience in the design, development, manufacture and sale of bulk granular...
March 1, 2013
The CoBall annular-gap bead mill is an inline milling system for manufacturing suspensions and other products of almost any viscosity. The mill is particularly suited for superfine grinding of paints and...
December 1, 2012
This new range of flange-mount, Hi-Bar Safety Screens made of MP35N nickel-cobalt-based alloy is compliant with NACE MR017/ISO 15156, and are designed to offer exceptional corrosion resistance and...
November 1, 2012
For most solids-processing operations in the chemical process industries (CPI), particle-size reduction and screening (classification) to achieve the desired particle-size are required, since processes rarely produce the desired size directly. When designing processes, selecting equipment and looking for ways to increase efficiency, CPI engineers must understand the size-reduction behavior of the solid...
November 1, 2012
The Russell Compact Sieve is said to offer considerable benefits over conventional spring-mounted systems. In addition to quieter operation [typically less than 70 dB(A)], the screener is able to transmit significantly...
November 1, 2012
The Model SCC-15-SS Screen Classifying Cutter is a high-torque, low-speed unit that reduces hard materials and friable products into controlled particle sizes. Its proprietary rotor design features cutter bits that are attached to a helical array of staggered holders called “interconnected...
October 1, 2012
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...
October 1, 2012
Among the products being exhibited at the Fakuma Plastics Recycling Trade Show (Friedrichshafen, Germany; October 16–20) is the Granulator...
October 1, 2012
The Auto-tapper automatically frees off-specification pellets from the screening decks of pellet classifiers. The Auto-tapper induces a small resonance through the perforated classifier deck that coordinates with the linear vibrating...
September 1, 2012
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...
March 1, 2012
If you were to ask chemical processors what they’re looking for from their screening equipment, it’s likely that the answers would be as varied as the chemicals they produce because screening requirements are entirely dependent upon the material being screened. However, equipment providers say that no matter the application, minimal downtime and maintenance costs and the ability to get more...
March 1, 2012
Recently optimized product features of the Mogensen sizer include the output ports, the vibration absorption system, the screen tensioning system and redesigned dust covers. The output...
March 1, 2012
This company has recently optimized product features for its Mogensen particle sizer. The Mogensen sizer has sloped screen decks to allow particles to have freedom of movement...
December 1, 2011
The Xtreme Rare-Earth Rota-Grate features a unique rotating design that magnetically removes ferrous contaminants from many finely ground cohesive materials, such as gypsum, barium carbonate, lime, confectionary sugar, flour and an array of fibrous...
November 1, 2011
With the newly-developed S-Jet system, it is possible to achieve particle sizes in the nanometer range, which were previously achievable only with wet grinding, says this company. S-Jet (for steam and superfine) uses superheated steam...
September 1, 2011
  Over 1,000 exhibitors from all over the world will fill six halls at the Nuremberg Fairground for Powtech/TechnoPharm 2011 (October 11–13). Held every 18 months, Powtech — the International Trade Fair for Mechanical Processing Technologies and Instrumentation — is the meeting place for representatives of many sectors of the chemical process industries (CPI), including chemicals and...
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