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Archives :: Processing & Handling :: Solids Handling

Displaying 1 - 20 of 322 stories.
April 1, 2014
Using gravity to initiate flow in the discharge of solid materials from bins and hoppers is the simplest, and often best, approach to solving solids-handling challenges. However, not all solid materials flow well by gravity alone. The propensity for fine solid materials to cake can lead to flow problems that will adversely affect your process. For situations where material caking disrupts gravity flow, a...
http://www.che.com/processing_and_handling/solids_handling/Overcoming-Solids-Caking-with-Flow-Aids_11627.html
April 1, 2014
The International Powder & Bulk Solids Conference and Exhibition is taking place May 6–8 at the Donald E. Stephens Convention Center in Rosemont, Ill. Featuring a large expo hall and a variety of technical sessions, as well as some hands-on demonstrations at the show’s Tech Theater, this year’s event expects to attract thousands of industry professionals. The conference program...
http://www.che.com/processing_and_handling/solids_handling/Powder-and-Bulk-Solids-Show-Preview_11628.html
April 1, 2014
Adjustment and control of moisture levels in solid materials through drying is a critical process in the manufacture of many types of chemical products. As a unit operation, drying solid materials is one of the most common and important in the chemical process industries (CPI), since it is used in practically every plant and facility that manufactures or handles solid materials, in the form of powders and...
http://www.che.com/processing_and_handling/solids_handling/Solids-Drying-Basics-and-Applications_11630.html
March 1, 2014
The Promo-Flow Discharge Aid consists of an internally mounted screen and an externally mounted vibrating apparatus that is designed to aid in the discharge of dry powders from silos and bins. The...
http://www.che.com/processing_and_handling/solids_handling/feeding_and_conveying/This-system-aids-in-dry-powder-discharge-from-bins-or-silos_11520.html
March 1, 2014
The En-Masse conveyor moves bulk materials while optimizing space utilization with its large size-to-capacity ratio. Useful in applications including...
http://www.che.com/processing_and_handling/solids_handling/feeding_and_conveying/A-bulk-materials-conveyor-with-favorable-space-utilization_11523.html
March 1, 2014
Dilute-phase pneumatic conveying systems must be operated in a certain sequence and have sufficient instrumentation and operating controls to assure reliable operation and prevent problems. This article discusses two subjects that are important for successful dilute-phase conveying. Discussed below are design guidelines for instrumentation and controls that can prevent operating problems, such as pipeline...
http://www.che.com/processing_and_handling/solids_handling/packaging_and_transporting/Dilute-phase-Pneumatic-Conveying-Instrumentation-and-Conveying-Velocity_11537.html
February 1, 2014
The new ProFlex V vibratory feeder (photo) features two alternative discharge lengths to offer maximum flexibility in process integration. By turning the feed hopper of the new chute feeder in 90-deg...
http://www.che.com/processing_and_handling/solids_handling/feeding_and_conveying/This-new-feeder-touts-higher-flexibility_11428.html
January 1, 2014
Like most of the world, weighing instrumentation has gone digital and gotten connected. Not only do today’s scales, weight transmitters, check weighers, and other weighing equipment include more modern technological advances, but the up-to-date improvements also provide contemporary solutions for a lot of old-school weighing challenges.   Going digital While the main goals of weighing operations...
http://www.che.com/processing_and_handling/solids_handling/weighing/Building-a-Better-Weighing-Instrument_11355.html
December 1, 2013
Gear units play a critical role in a diverse array of chemical process industries (CPI) facilities, to match the speed of a selected driver with the speed of the driven equipment. Today, they are used extensively in pumps, turbines and compressors, in material-handling units (such as conveyers and stackers), and in other equipment, including mixers, kneaders and extruders. This article discusses...
http://www.che.com/processing_and_handling/solids_handling/feeding_and_conveying/Gear-Units-In-CPI-Plants_11281.html
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...
http://www.che.com/processing_and_handling/solids_handling/Selecting-the-Proper-Mill-for-Your-Product_11174.html
November 1, 2013
Calculating volumes of solids in piles as they are poured into various shaped containers can be important information for solids-handling applications. The following set of equations represents guidance to help determine solids volume in these cases. Solids in containers Solids fed through a nozzle into a cylindrical or rectangular silo normally form a partial cone of a complex shape when the material is...
http://www.che.com/processing_and_handling/solids_handling/bins_silos_and_storage/Calculating-Volumes-of-Bulk-Solids_11162.html
November 1, 2013
The Rotoform G4 builds on more than 30 years’ process experience and introduces a number of features relevant to hygiene-critical applications, including easier cleaning, enhanced bearing seals and a lubrication-free...
http://www.che.com/processing_and_handling/solids_handling/coating_forming_and_agglomeration/Steel-belt-granulation-now-with-hygienic-application-features_11164.html
November 1, 2013
The new STM 225 dust-measuring instrument uses light-scattering technology to measure particulate-matter emissions of solid-fuel combustion systems. The instrument has none of the disadvantages of other well-known measuring principles, such...
http://www.che.com/processing_and_handling/solids_handling/testing_and_modeling/Measure-dust-emissions-with-this-light-scattering-instrument_11163.html
November 1, 2013
The Models 205 and 210 Storm weight indicators now offer four bidirectional serial ports, USB-B (standard) and USB-A (optional) for additional connectivity interfaces. Also...
http://www.che.com/processing_and_handling/solids_handling/weighing/These-weight-indicators-now-have-USB-connectivity_11168.html
September 1, 2013
Mixing and blending of bulk solids is a common processing step in many industries. For example, in pharmaceutical manufacturing of solid dosage formulations (tablets or capsules), small amounts of a powdered active drug are carefully blended with excipients, such as sugar, starch, cellulose, lactose and lubricants. With foods, many powder-form consumer products result from custom mixed batches; consider...
http://www.che.com/processing_and_handling/solids_handling/blending/Fundamentals-of-Bulk-Solids-Mixing-and-Blending_10946.html
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...
http://www.che.com/processing_and_handling/solids_handling/milling_grinding_and_screening/Focus-on-Screening_10791.html
July 1, 2013
Rotary valves are used almost universally in pneumatic conveying systems. They serve three main functions: 1) to provide a pressure-seal (airlock) between two adjacent processes, 2) to provide solids metering (feeding) and 3) to provide a combination of solids metering and a pressure-seal for feeding solids into a pneumatic conveying system. Rotary valves are common devices for feeding solids into a...
http://www.che.com/processing_and_handling/solids_handling/Rotary-Valves-in-Pneumatic-Conveying-Systems_10698.html
July 1, 2013
This company has combined inline mixing with its granulation technology to help fertilizer producers add value to their products. Production begins with accurate dosing and weighing of the materials to be combined, followed by mixing and, if...
http://www.che.com/processing_and_handling/solids_handling/coating_forming_and_agglomeration/An-end-to-end-process-for-flexible-fertilizer-production_10676.html
July 1, 2013
Said to be the world’s first thermal fines agglomerator, the HotCooler allows producers of powder coatings and toner to re-feed “unwanted” fine dust directly, quickly and easily as chips or flakes back into the production process, thereby...
http://www.che.com/processing_and_handling/solids_handling/coating_forming_and_agglomeration/A-thermal-fines-agglomerator-for-powder-coatings_10687.html
July 1, 2013
The ProFlex F is a new hygienic version of the company’s ProFlex feeder system for applications in the food industry. Two standard versions are available for either wet or dry cleaning. They come in three...
http://www.che.com/processing_and_handling/solids_handling/feeding_and_conveying/A-powder-feeder-is-reengineered-for-food-applications_10684.html
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