Coal-water slurry fuel combustion testing in an oil-fired industrial boiler. Semiannual technical progress report, February 15, 1993--August 15, 1993
The Pennsylvania State University is conducting a coal-water slurry fuel (CWSF) program for the United States Department of Energy (DOE) and the Commonwealth of Pennsylvania with the objective of determining the viability of firing CWSF in an industrial boiler designed for heavy fuel oil. Penn State and DOE have entered into a cooperative agreement with the purpose of determining if CWSF prepared from a cleaned coal (containing approximately 3.5 wt % ash and 0.9 wt % sulfur) can be effectively burned in a heavy fuel oil-designed industrial boiler without adverse impact on boiler rating, maintainability, reliability, and availability. The project will also generate information to help in the design of new systems specifically configured to fire these clean coal-based fuels. The approach being used in the program is as follows: 1. Install a natural gas/fuel oil-designed package boiler and generate baseline data firing natural gas; 2. Shake down the system with CWSF and begin the first 1,000 hours of testing using the burner/atomizer system provided with the boiler. The first 1,000-hour demonstration was to consist of boiler operation testing and combustion performance evaluation using CWSF preheat, a range of atomizing air pressures (up to 200 psig as compared to the 100 psig boiler manufacturer design pressure), and steam as the atomizing medium; 3. If the combustion performance was not acceptable based on the combustion efficiency obtained and the level of gas support necessary to maintain flame stabilization, then low-cost modifications were to be implemented, such as installing a quarl and testing alternative atomizers; 4. If acceptable combustion performance was not obtained with the low-cost modifications, then the first demonstration was to be terminated and the burner system replaced with one of proven CWSF design.
- 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:
- 10192972
- Report Number(s):
- DOE/PC/88697-T8; ON: DE94002390; BR: AA1520300/AA3515050
- Resource Relation:
- Other Information: PBD: 24 Sep 1993
- Country of Publication:
- United States
- Language:
- English
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