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Heat Transfer

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Design of Bulk-Solids Moving-Bed Heat Exchangers

Presented here are equations governing heat transfer in a moving-bed heat exchanger, along with a numerical method for solving them Moving-bed heat exchangers (MBHE) represent an efficient method for heating or cooling bulk-solid materials compared to other technologies, such as…

Top five technologies for drying in chemical applications

ANDRITZ Separation has been serving industries ranging from petrochemicals and soda ash to agrochemicals for more than a century. What all these chemical applications have in common is the importance of highly efficient thermal separation with either continuous or discontinuous…

Facts at your Fingertips: Heat-Transfer-System Maintenance During Slow Periods

Periods of reduced heat-transfer-fluid (HTF) system operation offer opportunities for mechanical integrity engineers to perform necessary maintenance. Here are suggestions for using the downtime for maintenance tasks. Safety These activities support ongoing safety of the HTF unit. Leak repairs. Repair…

Analyzing Your Fluid

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Turning Up the Heat on Valve Train Safety

Despite their nearly universal use in industrial combustion processes, valve trains are not widely understood. Here are some guidelines to help ensure their safe and effective operation Does your manufacturing facility have a smoke stack? If it does, it also…

Steam Quality Considerations

Steam often provides the majority of heat, but its quality is not always carefully managed. Here are some tips on how to improve and maintain steam quality Plant operations focus on production activity, maintaining tight control on process algorithms, feedstocks…