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Research Papers: Heat Energy Generation/Storage/Transfer

Energy Conservation Opportunity in Boiler Systems

[+] Author and Article Information
Durmus Kaya

Energy Systems and Environmental Research Institute, TUBITAK-MRC, P.O. Box 21, 41470 Gebze-Kocaeli, Turkeydurmus.kaya@mam.gov.tr

Muharrem Eyidogan

Department of Mechanical Education, Kocaeli University, 41380 Kocaeli, Turkeymuharrem_eyidogan@hotmail.com

J. Energy Resour. Technol 131(3), 032401 (Aug 04, 2009) (4 pages) doi:10.1115/1.3185440 History: Received November 17, 2005; Revised May 26, 2009; Published August 04, 2009

In this study, “energy efficiency” study has been performed for a natural gas fuelled boiler, operating at 42,000 kPa pressure and 713.15 K temperature, with a nominal capacity of 33.33 kg/s steam. Within this frame, temperature, pressure, velocity, and gas analysis measurements have been made, and energy, mass balances, and exergy analysis have been formed. Then, the efficiency of boiler, potential energy saving options and savings quantities, investment costs, and payback period for normal operating conditions have been calculated from the energy and mass balances. Implementation cost is required only for reducing air leakages in the rotary type air heater and surface thermal losses. The investment cost for reducing air leakage in the rotary type air heater to the acceptable limits (10%) is 600,000 USD. Under these circumstances, the payback period of this investment cost is about fifteen months.

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Copyright © 2009 by American Society of Mechanical Engineers
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Grahic Jump Location
Figure 1

Schematic view of the boiler system and its measurement system

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