Coal-water slurry fuel combustion testing in an oil-fired industrial boiler. Semiannual technical progress report, August 15, 1993--February 15, 1994
The Pennsylvania State University is conducting a coal-water slurry fuel (CWSF) program with the objective of determining the viability of firing CWSF in an industrial boiler designed for heavy fuel oil. The project will also provide information to help in the design of new systems specifically configured to fire these clean coal-based fuels. The project consists of four phases: (1) design, permitting, and test planning, (2) construction and start up, (3) demonstration and evaluation (1,000-hour demonstration), and (4) expanded demonstration and evaluation (installing a CWSF preparation circuit, conducting an additional 1,000 hours of testing, and installing an advanced flue gas treatment system). The boiler testing and evaluation will determine if the CWSF combustion characteristics, heat release rate, fouling and slagging behavior, corrosion and erosion tendencies, and fuel transport, storage, and handling characteristics can be accommodated in a boiler system designed to fire heavy fuel oil. In addition, the proof-of-concept demonstration will generate data to determine how the properties of a CWSF and its parent coal affect boiler performance. The economic factors associated with retrofitting boilers will also be evaluated. The first demonstrations been completed and the combustion performance of the burner that was provided with the boiler has been determined to be unacceptable. Consequently, the first demonstration has been concluded at 500 hours. The second demonstration will be conducted after a proven CWSF-designed burner is installed on the boiler. During this reporting period, the construction of the fuel preparation facility that will contain the CWSF circuit (as well as a dry, micronized coal circuit) was completed. Proposals from potential suppliers of the flue gas treatment systems were reviewed by Penn State and DOE.
- Research Organization:
- Pennsylvania State Univ., University Park, PA (United States). Energy and Fuels Research Center
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- FC22-89PC88697
- OSTI ID:
- 10128814
- Report Number(s):
- DOE/PC/88697--T9; ON: DE95007987; BR: AA1520300/AA3515050
- Country of Publication:
- United States
- Language:
- English
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