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By automating damper controls on ovens, as much as a 50% reduction in fuel costs can be realized. As the cost of fuel increases, so do the concerns about energy optimization and safety.
Most dryers are used for more than one solvent. Accuracy depends completely on how the sensor responds to each solvent. This means that precise measurement of solvent vapor concentrations should be made with the highest level of accuracy to optimize the control of damper position and achieve maximum energy savings.
The more solvents that are contained in the process, the greater the error and the wider the damper will stay open, unless precise measurement is continuously taken. Flame temperature analyzers, like the PrevEx, will react accurately to most flammable substances and will usually measure both single solvents and mixtures with the same high degree of accuracy, due to its universal calibration feature. Therefore, direct flammability measurement can be used to precisely measure and modulate damper control to ensure no unnecessary air is heated.
This article shows you how to safely use flammability monitoring to effectively automate damper controls and reduce the costs of owning and operating ovens and dryers.