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Design Brief: Industrial Process Heat Recovery

October 26, 2009
2 comments
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Table of ContentsProcess heating is a significant source of energy consumption in the industrial and manufacturing sectors, and it often results in a large amount of waste heat that is discharged into the atmosphere. Industrial process heat recovery effectively recycles this waste heat, which typically contains a substantial amount of thermal energy. The benefits of heat recovery include improving system efficiency, reducing fuel consumption, and reducing facility air emissions. While the type and cost-effectiveness of a heat recovery system are dependent on the process temperature and the facility's thermal requirements, many heat recovery techniques are available across low, medium, and high temperature ranges.

Download: EDR_DesignBriefs_processheatrecov.pdf (504 kB PDF file)

Comments

by Sidelsystems, Saturday, April 30, 2011 at 11:39:38 AM

The other type of heat recovery not mentioned is called "Condensing Flue Gas Heat Recovery"
www.SidelSystems.com
This is an indirect method where the heat in the exhaust gases is transfered into the process water, or domestic water.
The condensation that is created is collected separately. This condensation can be used as boiler feedwater, or added to the plants washdown water. It can also be collected and used to irrigate the lawns and flower beds.

by tconlon, Wednesday, May 11, 2011 at 3:23:28 PM

Does anyone else have experience with these "condensing economizers", or other heat recovery techniques?

I found a DOE "best practices" brief on the topic, but there's no substitute for direct experience, especially with such custom engineered solutions.

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