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Powder/Bulk Solids

The Source for Dry Processing and Bulk Handling Technology

Featured Equipment

  • How to Design a Loss-in-Weight Feeder

    A loss-in-weight feeder is the state of the art today for providing gravimetric (weighing) feeding of a bulk solid. In previous articles I discussed volumetric feeding, which relies on a certain volume/unit time (cu ft/hr or cu m/hr) to maintain feed rate accuracy. To increase discharge rate,...

  • Air Leakage and the Efficient Use of Rotary Valves

    In many pneumatic conveying systems, a rotary valve or rotary airlock is used to feed the dry bulk material from one system to another. The other function of a rotary airlock is to help prevent the transfer of air from the system below the valve into the system above or vice versa. This cannot...

  • Aluminum Deflection Elbows

    The cast aluminum line of Smart Elbow deflection elbows is now available in tube and pipe sizes from 1.5 to 12 in. in diam. Suitable for dilute-phase and dense-phase pneumatic conveying systems, the deflection elbows eliminate a range of problems, including: abrasive wear, breakage of friable...

  • Rotex Introduces USDA Screener

    The new USDA screener is designed and engineered for effective performance by maximizing both product quality and yield. This unit is the result of years of design iterations to create a sanitary design passing all USDA design requirements. The USDA screener uses Rotex’s gyratory-...

  • When it Comes to Silos, Inspect, Prevent, and Maintain

    A silo, in many ways, is like the human body. Life is good when the silo is working effectively. When the silo gets clogged, production slows down and an army of problems marches onto the scene. Despite the problems that can arise from a poorly maintained silo, companies often put off maintenance...

  • Insourcing for Small Manufacturers

    The White House and many of today’s industrial and manufacturing leaders are big proponents of insourcing, which is often understood as bringing jobs once outsourced to overseas companies, back home. Insourcing also means bringing in specialists to fill temporary needs or training existing...

  • Mixing Solid and Liquid Ingredients

    Celsius developed the Celsimix for applications that standard mixers in the food and chemical industry struggle with. It started as a project for mixing caramel and nuts, but expanded to chemical industry applications. For example, a carpet tile factory is using the Celsimix to mix limestone...

  • Metal-Detectable Gaskets and Grommets Introduced

    Bunting Magnetics Co. offers its new metal detectable gaskets and grommets, now available on equipment for food, powder, or bulk solid processing lines. “Today, processors of any consumable product are increasing their demands for improved product safety. And until now, gaskets and...

  • Screen Classifying Cutter Controls Size Ranges

    The new Magnum Model 72 screen classifying cutter reduces infeed products spanning a wider range of sizes, at approximately 75 percent higher rates than standard size models of equivalent length.      The cutter features an 18-in. overall diam rotor, versus the standard 10.5-in.-...

  • Static Grounding System

    The Earth-Rite Multipoint II is an cCSAus/ATEX/IECEx-certified static grounding system that enables customers actively monitor up to eight discrete items of equipment at risk of discharging electrostatic sparks into flammable or combustible dust atmospheres. Whereas multiple items of equipment used...

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