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Energy efficiency of blower heater non-purge compressed air dryers

Journal Article · · International Journal of Energy Technology and Policy
 [1];  [2];  [2];  [2];  [2]
  1. West Virginia Univ., Morgantown, WV (United States); West Virginia University
  2. West Virginia Univ., Morgantown, WV (United States)

This research focuses on twin tower regenerative closed loop desiccant dryers, specifically: blower heater non-purge (BHNP) with and without cooling water pumps, compressed-air heater purge (CHP), blower heater purge (BHP) and pressure swing heaterless (PSH). The research was conducted by collecting and analysing real time current draw data on air compressors and associated dryers at eight different facilities (13 air compressors) in terms of energy, power and cost. A decision tool was developed to depict the operational characteristics (power, energy and cost) of each type of dryer if used in conjunction with the selected compressor system. Finally, this research, on an equivalent normalised basis, compared and contrasted the different types of dryers in terms of performance and cost. Here, the research concluded that of the five types of desiccant dryer types observed the most energy efficient was the BHNP (with cooling water pump), subject to the operational conditions.

Research Organization:
West Virginia Univ., Morgantown, WV (United States)
Sponsoring Organization:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Energy Efficiency Office. Advanced Manufacturing Office
Grant/Contract Number:
EE0007704
OSTI ID:
1863533
Journal Information:
International Journal of Energy Technology and Policy, Journal Name: International Journal of Energy Technology and Policy Journal Issue: 3 Vol. 17; ISSN 1472-8923
Publisher:
Inderscience PublishersCopyright Statement
Country of Publication:
United States
Language:
English

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