IN THIS ISSUE: Pump Case Studies • NFPA 86 Oven Safety Standard • Removing Moisture from the Load • Heat Tracing • Corrosion-Resistant Heat Exchangers • and more
Pump Case Studies Session at Symposium Attendees of the
23rd International Pump Users Symposium can attend a case study session
focusing on successful — and unsuccessful — industrial fluid handling installations. Billed a session where users can find out what is working and what is not, the session is part of the technical presentations planned for the March meeting at the George R. Brown Convention Center Houston.
The presentations, which have been reproduced on a CD exclusively for case study session attendees include:
Pipe Strain /Pump Case Distortion, presented by Chuck Lyons, Chevron Pipe Line Co., Bellaire, Texas.
Solving Vertical Pump Synchronous and Sub-Synchronous Vibration Problems, presented by Maki M. Onari, Mechanical Solutions Inc., Whippany, N.J., and Matthew A. Gaydon, Bechtel Power Corp., Frederick, Md.
Effects of High Suction Energy in a Vacuum Tower Bottoms Pump Design, presented by Ronald Bartsch, Lyondell-Citgo Refining, Houston.
Determining the Minimum Safe Flow Line for a Five-Stage, 350 hp Variable Speed Centrifugal Pump, presented by Robert X. Perez, Celanese Chemicals, Bishop, Texas, and Steven Shanley, Lewa Pumps, Houston.
Produced Water Injection Pump Modification, presented by Gary Dyson, Union Pump, Penistone, Sheffield, United Kingdom.
NEWS BRIEF Swep’s recently opened factory in Kechnec, Slovakia, a U.S. $12 million investment, is moving into full production, which will amount to producing approximately 160,000 compact brazed heat exchangers per month in 2007. New personnel for the factory will continue to be recruited and trained during the year, along with fine-tuning of technical equipment and plant with the help of suppliers, according to the Landskrona, Sweden-based exchanger maker.
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Understanding the Complexity of Heat Tracing Systems As heat tracing monitoring and control systems become more complicated, misinterpretation of the information they provide is a common occurrence. What enhancements are beneficial to your process and how can they be implemented without detracting from system usefulness?
How to Maximize Oxidizer Performance By understanding all pertinent equipment design variables and the relationship between the process heating and oxidizing systems, optimal process design can be accomplished.
Implementing Cryogenic Cooling on an Oven A temperature control manufacturer improved its manufacturing processes by purchasing a single oven suitable for both process heating and cooling. Could this type of oven benefit your process?
Horse Sense About Drying Site Registration Required to View Poor moisture distribution impedes drying. What happens when the load contains a liquid that has to be removed?
Fluid Bed Dryers Fluid bed dryers are found throughout all industries, from heavy mining through food, fine chemicals and pharmaceuticals.
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PRODUCTS
Thermal Recuperative Oxidizers Design features include a 1,450°F (788°C) operating temperature; shell-and-tube heat exchanger; up to 99 percent destruction efficiencies; and up to 70 percent thermal energy recovery. Secondary energy recovery is available for process heating. Skid-mounted, shop-assembled and shop-wired, the thermal recuperative oxidizers ship and install as a single piece to minimize costs. Pre-engineered designs are available in five models to handle air flows up to 21,000 scfm.
Shell-and-Tube Heat Exchangers Resist Corrosion Graphite process equipment exhibits excellent corrosion resistance against acids, alkalis and aggressive media. Graphite heat exchangers can be designed with heat transfer areas up to 25,000 ft2. User-selectable features of the shell-and-tube heat exchanger include tube lengths (up to 27'); pressure (up to 150 psig max) and operating temperature (up to 392°F [200°C] max). Options include header types, tube and baffle arrangements and shell materials.
Corrosion-Resistant Heat Exchangers Heat exchangers are constructed using the reactive metals of tantalum, zirconium, niobium, titanium and the high nickel alloys. Heat exchangers made from these metals can be used with extremely corrosive fluids and last for decades. Designs can be varied to suit application; choices include fixed tubesheets; U-bundled; packed head, floating tubesheet; kettle reboilers; falling film evaporators; falling film absorbers; bayonet; helical coil; immersion coil; and double pipe.
Heater Racks Heater racks consist of a fabricated aluminized or alloy steel support frame with preformed metal channels. In these channels, high-grade refractory, slide-in porcelain retainers are mounted to support three rows of one-, two- or three-tier high Folded and Formed nickel-chrome, ribbon-type heating elements. Single-tier racks can be mounted on side walls as radiant heaters. Applications include heating ovens, furnaces (convection and radiant), kettles, tanks, ducts and textile and chemical dryers.
Ovens Safety Standard NFPA 86: Ovens and Furnaces, 2007 Edition, provides comprehensive requirements for the safe design; installation; operation; and inspection, testing and maintenance of Class A, B, C, and D ovens, dryers, and furnaces. Individual chapters contain rules for each equipment class. Provisions are also provided for location and construction; furnace heating systems; safety equipment and application; thermal oxidizers; and fire protection.
Progressing Cavity Pump Model 2000 is intended for abrasive applications such as activated carbon slurries. Its low-shear action enables it to handle polymers and other shear-sensitive fluids. The crowned gear universal joint drive train configuration provides torque and thrust control, and its joint seals protect the gear joints from pumpage contamination. The pump line offers flow rates to 2,500 gal/min and pressure capabilities to 1,000 psi. Options include “flush gland,” which allows packing leakage to be flushed away from the pump, and “fiber deflector,” which prevent ragging around pump connecting rod and rotor head.
Process Heating Digital Edition: See the entire issue online in a searchable, digital magazine format. Turn the pages electronically to read the articles, see the ads and get the good information you've come to expect from Process Heating.
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Attendees of the
