Archives :: Processing & Handling :: Thermal & Energy Management :: Kilns, Ovens & Furnaces

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May 1, 2014
Large petroleum-refining complexes often have dozens of fired heaters, making broad-based competency in this area essential to overall reliability, safety and energy efficiency. Despite industry’s widespread familiarity with fired heaters, they continue to pose significant challenges during initial control-system design and unless properly specified, operated and maintained, fired heaters can hinder...
November 1, 2013
Anticipating growing demand for producing larger gears, shafts and other components, this sub-contract heat-treatment specialist has enlarged the size of one of its largest pit...
May 1, 2013
Occasionally, direct fired heaters that have operated satisfactorily for long periods of time subsequent to startup develop operating problems that do not allow for operation at design conditions, as specified in the manufacturers API data sheets for the heater. Performance that may be guaranteed, or otherwise specified by the supplier would include the type and characteristics of the feedstock processed...
March 1, 2013
The carbon-fiber pilot line consists of an oxidation furnace, carbonization furnace and a graphitization furnace, The four-zone oxidation furnace...
February 1, 2013
 Figure 1. A handful of ceramic proppants is shown here Carbo Ceramics This article covers permitting and directly related design issues associated with thermal processes using drying and calcining for the production of both proppant sand and ceramic proppants (Figure 1) as an illustrative example (see sidebar, "What are proppants"). The permitting issues vary significantly with air-quality...
December 1, 2012
This company is introducing two new rotary tube furnaces that are suitable for heat treatment; calcination of powders, granules and fibers; pyrolysis; and the recycling...°C_10018.html
September 1, 2012
Compared with the use of hotplate stirrers or heating mantles, the Stem RS, Stem Omni and Stem Integrity Reaction Stations can reduce energy costs by as much as 90%, says the manufacturer. Equipped for parallel...
June 1, 2012
  A gas flare is an elevated vertical conveyance found accompanying oil wells, gas wells, drilling rigs, petroleum refineries, chemical plants, natural gas plants and so on. Although modern flare systems are specifically designed to reduce the thermal radiation, pollution and acoustic impact of a flare, a considerable amount of radiation is nevertheless emitted by an operational flare as a result of...
March 1, 2012
The Simetal EAF FAST DRI is a new electric arc furnace that is specially designed for the use of direct reduced iron (DRI). It allows a continuous melting process, as electric energy...
December 1, 2011
Kalocer high-alumina ceramic mosaics can line a variety of plant components quickly and easily. Kalocer mosaics come in a variety of sizes and shapes, including square and...
July 1, 2011
The VD and VDL drying ovens can dry samples completely without residues, scaling or oxidation, thanks to an innovative control concept. The temperature is controlled over the entire range...
July 1, 2011
This high-frequency crucible furnace with vacuum is suitable for induction melting of metals and metal alloys, for heat treatment and for sintering of oxide...
May 19, 2011
A new Macrowave radio-frequency (RF) drying system provides greater efficiency than conventional web dryers and enables the high-speed drying of water-based patterned glue and coatings at line speeds previously...
May 1, 2011
Suitable for use with any of this company’s range of explosion-proof, electrical heaters, the new generation Smart Controller 2.0 features fieldbus networking, extensive monitoring and diagnostic routines, programmable temperature ramping...
March 28, 2011
This tube furnace (photo) provides fast cycle times under protective gas and vacuum, making it suitable for heat treatment of powders and for brazing and annealing...
March 28, 2011
A new preheating system (photo) for plastic sheet molding compound (SMC) that uses radio frequency heating technology is now available. This new system is reported to enhance the distribution of reinforcement fibers in the...
March 28, 2011
A new preheating system for plastic sheet molding compound (SMC) that uses radio frequency heating technology is now available. This new system is reported to enhance the distribution of reinforcement fibers in the molding...
March 28, 2011
This firm develops and builds incinerators, based on the natural draft principle, for incinerating hospital, slaughterhouse and other hazardous wastes...
March 28, 2011
The Mikron MikroSHOT (photo) is the latest offering from this firms’ Mikron Infrared thermal imaging product line. The MikroSHOT’s Thermal-on-Visible mode allows for radiometric temperature...
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