Recapturing waste heat allows you to capture thermal energy you would otherwise let escape up the stack and put it to work in your process. Air-to-air heat exchangers provide an effective means of capturing this otherwise lost resource.
With an ever-increasing focus on energy efficiency and improving system performance, industrial processors are looking for ways to achieve these goals while reducing costs and material usage wherever possible.
As Process Heating wraps up another year of serving industrial processors who use low temperature industrial heating equipment and supplies, its editorial staff offers readers this handy reference guide to the feature articles published in 2017.
Does it make sense to add secondary heat recovery systems to your thermal process to capture and repurpose the BTUs you have created before they escape out the top of the stack? An economic analysis can help you determine whether it is justified at your plant.
Secondary heat recovery systems capture excess energy in the exhaust stream of processes or oxidizers. On the surface, heat recovery makes good sense: Capture the waste energy and repurpose it rather than throwing it out an exhaust stack. The concept sounds relatively straightforward. As with most things, however, the proof lies in the details.
In many locations throughout North America, nitrogen oxide (NOx) emissions of gas-heated furnaces are limited by law or code. This is typically the case in urban areas or in places where special topographical characteristics intensify the negative local and regional effects of NOx emissions.
While the approach of limiting hazardous emissions is for the benefit of the environment and society, the method used to define the limitation can significantly alter its outcome (e.g., if it does not account for the full extent of influencing factors).
As water resources become increasingly stressed by drought and intensifying demand from competing uses, industries that use significant quantities of water will face greater pressure to adopt water-efficiency strategies that can decrease fresh-water withdrawals.
Check out the November 2019 edition of Process Heating: Installing heat tracing, IIoT, boilers, reducing cross contamination in pharmaceutical applications, optimizing your steam-injection heating application and much more!