Shane Le Capitaine
Jacksonville
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Articles by Shane Le Capitaine
Ask a Powder Pro: How can I prevent caking, sticking, or buildup inside a rotary dryer?
Ask a Powder Pro: How can I prevent caking, sticking, or buildup inside a rotary dryer? By understanding how a material behaves and designing or adjusting the drying system accordingly, operators can significantly reduce the likelihood of sticking. Courtesy of Feeco International Rotary dryer Caking and material buildup are among the most common challenges encountered in rotary dryer operation and can result in several issues, including reduced efficiency, damage to equipment, and lost product.
Ask a Powder Pro: How can I increase my rotary dryer's energy efficiency and reduce operating costs?
Engineers achieve the most efficient curtain by matching the material’s characteristics (angle of repose, particle size distribution, moisture content, etc.) with the optimal combination of air velocity, drum speed, percent fill and, most importantly, flight design and pattern. Flights can be constructed in a variety of sizes and styles, including single bend, double bend, and even custom designs.
De-risking rotary dryer scale-up through process development testing
Materials producers in every industry are under rising pressure to deliver tighter product specifications, higher throughput, and lower operating costs, often while working with complex or unfamiliar feedstocks. In this environment, the drying step has become a critical influence on product quality, process stability, and overall plant economics.
Ask a Powder Pro: How do drying temperature and dryer residence time impact product quality?
Courtesy of FEECO International Proper temperature and residence time are established during initial dryer design based on the feed material’s specific characteristics. When it comes to drying bulk solids in a rotary dryer, or any type of dryer for that matter, temperature and residence time are the primary determinants of product quality. Proper temperature and residence time are established during initial dryer design based on the feed material’s specific characteristics.
Opportunities in mining waste: Avenues in recovering and creating value through thermal processing and agglomeration
Growing recognition of the potential value locked in tailings and mine wastes has spurred renewed interest in how these materials can be recovered or repurposed. With demand for minerals rising, ore grades declining, and environmental risks from tailings storage becoming more pressing, the industry is beginning to see these wastes less as liabilities and more as untapped resources.
Navigating potash processing challenges with robust equipment solutions
By Shane Le Capitaine | Process Sales Engineer, FEECO International Potash’s unique qualities, combined with the high capacities at which it is processed, can present significant challenges to producers if equipment is not adequately designed. In selecting a manufacturer, be sure to find one that is familiar with the specific challenges potash presents, and can design and manufacture equipment suited to its needs.
Rotary dryer or fluid bed? Let the operation decide
Whether producing fillers, intermediary materials, or end products, an industrial drying step can be found in nearly every facility processing bulk solids. Producers rely on industrial drying systems to prepare material for use as a feedstock, as a finishing step in the production process, and more.
Best practice for evaporation processes
Evaporation is a process where a material moves from its liquid state to a vapor (or gas). The most common example of evaporation seen in everyday life is the transfer of water from the earth’s surface to the atmosphere as part of the water cycle. When liquids evaporate, and materials which they contain in solution or suspension are left behind, this becomes a useful process to concentrate solutions or to help separate materials.
Rotary Drying: Developing a Process in a Test Setting - Chemical Engineering
Testing not only illustrates proof of process and provides other critical assurances, but it also reveals the parameters necessary to reliably yield consistent results Drying is an integral tool in pretreating and finishing bulk solids, which helps producers to meet quality and performance expectations, as well as lower their shipping costs.
Relying on rotary drums for process heating and cooling
Heating and cooling are fundamental aspects of processing industrial minerals and chemicals into market-ready products and materials. While the available technologies for drying, heating and cooling bulk solids can make deciding on a given approach challenging, processors often come to rely on rotary drum technology for the many benefits it can offer.
How to Get the Most Out of a Bulk Solids Rotary Dryer
Rotary dryers have become an indispensable tool in the bulk solids arena, giving producers control over moisture content in feedstock, intermediary materials, and finished products. These industrial drying systems have become the backbone of many operations, from processing ore in the beneficiation process, to bringing a fertilizer product to market, and so much more.
Operational Best Practices for Rotary Dryers - Chemical Engineering
Comment PDF uncategorized To maximize the service life and reliability of rotary dryers for solid materials, adhere to this set of practices Rotary dryers have a well-deserved reputation for reliability, often providing decades of trouble-free operation in solids-handling processes. As with any type of process equipment, however, the reliability of a rotary dryer and its ability to consistently dry bulk solids hinges on proper operation and maintenance of the unit (Figure 1).
Co-Current Vs. Counter Current Drying
This article was authored by: Many factors are taken into consideration when designing a rotary dryer that can both efficiently and effectively dry a material. Factors such as bulk density, specific heat, and flowability, among others, all interact to influence how the material will behave in the dryer, and subsequently, how that material will be dried.
Agglomeration technique improves heap leaching process
Two copper ore drums used for heap leaching. The drums are positioned at a slight incline to allow gravity to assist in moving ore fines through the drum.
Copper heap leaching allows more metal extraction than before
Two copper ore drums used for heap leaching. The drums are positioned at a slight incline to allow gravity to assist in moving ore fines through the drum.
Rotary Dryers: Critical in Drying Wood Pellets for the Biomass Industry
The biomass energy industry has seen steady growth over the past few years – the result of the European Union enacting legislation that targets a 20% renewable energy goal for all of its countries by the year 2020. Without sufficient biomass resources to fuel demand, the European Union has turned largely to North America to supply the sought after fuel. As production ramps up, many companies are finding that rotary dryers are the key to producing a quality biomass product.
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