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Featured Articles

Should we repair or replace this boiler?

Before deciding, consider any demand load changes, and what type boiler is best
It goes without saying that steam plays a vital role in chemical and other type processing plants, and that having a reliable, cost-effective and safe boiler is essential to good operations. As a facility ages, it eventually gets to the point where it’s time to choose between upgrading the current boiler or getting a new one.
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Wrecked steel mill coupling renewed for half the cost of replacement

Bore ‘replaced’ with splined-in insert — correct diameter restored, original rating maintained
When the bore on the rigid half of a high-torque steel mill coupling was badly galled during a maintenance teardown, an East Chicago, Ind., mill put the damaged part in the plant’s boneyard. However, engineers at Kop-Flex developed a clever solution that saved almost half the cost it would have taken to replace the part.
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Basic preplanning for leaks and spills

Response to small spills as important as worst-case scenarios
Because they are so common, routine leaks and spills can sometimes be missed when facilities review safety hazards. But these small “inconveniences” are a leading cause of slip-and-fall incidents.
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The motor itself can also be more energy efficient

Brushless PM motor technology more efficient over broad operating range, author says; use of less costly, readily available ferrite magnets
NEMA Premium efficiency induction motors are considered by many to be the standard for integral horsepower, general-purpose, AC induction motors. While these motors raise the bar for energy efficiency, continuing improvement is both possible and cost-effective.
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Good vibrations attained in large mixer installations

Modal analysis increases reliability and efficiency
Mixing is a vital part of production processes found in many industries, including food & beverage, chemical, pharmaceutical and petrochemical — to name only the largest. In many of these industries, a trend toward larger mixer installations is apparent.
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Polymers producer banks on thermoplastic pumps for waste stream handling

Effluent streams, both strongly acidic and alkaline, make demineralization and corrosion resistance a priority
Kaneka Texas Corp., the U.S. subsidiary of Kaneka Corp. of Japan, is a maker of specialty polymers and fine chemicals. For several applications involving wastewater and circulation of scrubbing liquids, the company’s Pasadena, Calif., site relies on thermoplastic pumps to ensure reliable operation under corrosive conditions.
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