Archives :: Processing & Handling :: Solids Handling

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November 1, 2014
Bulk solids are frequently used as reactants, catalysts or products in chemical process industries (CPI) operations. Often, they must be heated or cooled so that they can be handled safely or processed at a desired temperature. Traditionally, heat transfer to or from powders is carried out using heated or water-cooled screws, fluidized beds or rotating drums. However, a more economical means of heating or...
October 1, 2014
The Rotoform 4G — the latest addition to this company’s Rotoform range — boasts a number of innovative new features designed to improve productivity and reduce maintenance requirements. The process combines the Rotoform drop depositor with a steel belt cooler to...
October 1, 2014
Numerous strategies and options for both dilute- and dense-phase conveying systems are presented here   Pneumatic conveying is a ubiquitous mode of conveying bulk solids in a wide range of industries, including chemicals, plastics, grain, food, agricultural, mining, power and cement. In recent years, the capacities, distances and variety of materials to be conveyed have increased, often approaching...
October 1, 2014
Beumer Group The parallel gripper is a special tool for palletizing cardboard boxes and other dimensionally stable containers with parallel side walls. The essential components are a fixed plate that functions as a limit...
September 1, 2014
From September 30 to October 2, more than 700 exhibitors from over 25 countries will again be coming to the Nuremberg exhibition center to attend Powtech, one of the world’s leading trade fair in its field, showing everything the chemical process industries (CPI) needs to handle powders, granulates and bulk materials — including analysis. What follows is a small sample of some of the new...
September 1, 2014
In this company’s networked filling system, weighing and weight-checking systems communicate with other machine components and control the filling process of chemical products. The weight-checking scale immediately delivers feedback to the...
August 1, 2014
The chemical process industries (CPI) have many applications that require classifying or separating solid materials. Examples of separation or classification processes include those operations that attempt to isolate specific material fractions according to particle size, scalp off the coarse fraction of a material stream, de-dust the fine fraction of a material stream or remove the contamination from a...
July 1, 2014
This new ICS466x weighing terminal is designed for safe and accurate weighing in potentially explosive classified hazardous areas (Zone 1/21, Div. 1) to minimize risks of explosion and keep inspection and...
June 1, 2014
The new line of Model 42C cylindrical ribbon blenders (photo) are designed to mix dry powders, wet granulations and paste-like materials with densities up to 100 lb/ft3. Available in many capacities, from 0.5 to 1,000 ft3, these blenders can be built for...
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...
May 1, 2014
Using PAT to monitor and control granulation Malvern Instruments Granulation is an important operation used for tableting, but its control can be challenging. The Parsum inline particle-sizing probe is being used as a PAT (process analytical technology) instrument in granulation research being conducted at Ghent University in Belgium. The instrument is being used to continuously monitor the granulation...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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