How To Improve Reliability In Cogeneration and Steam Systems
DOI:
https://doi.org/10.13052/dgaej2156-3306.1625Abstract
Traditionally, steam and electricity have been produced separately;
steam at industrial plants and electricity by utilities. Cogeneration (or
combined heat and power—CHP) is the concurrent production of elec-
trical power and thermal energy from the same heat source. Cogenera-
tion reduces electric utility bills and environmental emissions while still
providing thermal energy for industrial processes. Many different sys-
tems combining boilers and turbines are possible.
Newer technologies are making cogeneration opportunities avail-
able to smaller-sized thermal plants, and electric utility deregulation
opportunities are causing many CEOs to seriously consider cogenera-
tion in their manufacturing plants.
Whether steam is created through cogeneration or separate genera-
tion, many opportunities exist to improve productivity in the distribu-
tion system, operation, and maintenance. These opportunities are cap-
tured by taking a systems approach to steam system improvement,
which can be facilitated with resources like those offered by the Depart-
ment of Energy’s Best Practices in collaboration with the Alliance to
Save Energy and private companies.
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References
Steam: Its Generation and Use, 40th Edition, Babcock & Wilcox, Chap.
: “Thermodynamics of Steam,” 1992, Barberton, OH.
1997 Industrial Cogeneration Report , Chapter 2, Gas Research Insti-
tute, Chicago, IL
Ibid.
“New Look at An Old Idea,” Piper, James, Building Operating Man-
agement, January 1998, Trade Press Publishing Corp., Milwaukee,
WI, pp. 41-43.
“Determining the Future of Industrial Energy Needs in a Deregu-
lated Utility Marketplace,” conference report by Stratton Schaeffer,
Council of Industrial Boiler Owners Conference on Deregulation,
July 17-18, 1997, Baltimore, MD.
“Trigen/Nations Finalizes Contract With Coors,” September 15,
Trigen news release, White Plains, NY.
TNS is a movement that began in Sweden. It is dedicated to help-
ing understand our social and environmental problems and mov-
ing beyond them by redesigning our interactions with our sur-
roundings as businesses, communities, and individuals.
Calculated using industrial experience of the Council of Industrial
Boiler Owners, steam trap manufacturers, controls manufacturers,
and university research.
U.S. Dept. of Energy, Energy Information Administration, 1993.
Emissions of Greenhouse Gases in the United States 1985-1990 . Table B-
. Subtracted 1991 CO 2 total for electricity from CO 2 total for all
of industry and multiplied by steam energy ratio to arrive at steam
CO 2 emissions of 196 million metric tons in 1995.
