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U.S. Department of Energy
Office of Scientific and Technical Information

Advanced coal gasification system for electric power generation. Third quarterly progress report, April 1-June 30, 1978

Technical Report ·
DOI:https://doi.org/10.2172/6090689· OSTI ID:6090689
Operation of the PDU was directed to testing the gasifier reactor. The goals of the testing programs were to evaluate the performance of the gasifier with the expanded free-board section using direct coal feed and to assess the effectiveness of the upgraded gas quench-waste system. These goals were accomplished with Tests TP-015, -016 and -017. Other, more specific test objectives were also realized, and these are described. Heat and material balances as well as product characterization analyses were also accomplished and are included. Over 500 hours of operation were achieved with approximately 270 hours being logged using a highly-caking Pittsburgh seam coal feedstock. High carbon conversions were achieved in all tests with the various feedstocks used. The first operation of the gasifier with the newly-installed oxygen supply system was attempted in Test TP-018-1. Also undergoing initial testing was the modified oxidant tube which was changed to accommodate a reduction in operating pressure from 230 to 150 psig. Experimental tests and analysis of data were carried out on jet phenomena, distributor design, draft tube design and particle entrainment. The jet penetration correlation developed for the multiple vertical jets was compared with published correlations and found to provide improved predictive capability. A comparison of the data and the model is presented. Experiments to study gas entrainment into a jet in the fluidized bed were partially completed.
Research Organization:
Westinghouse Electric Corp., Madison, PA (USA). Advanced Coal Conversion Dept.
OSTI ID:
6090689
Report Number(s):
FE-1514-88
Country of Publication:
United States
Language:
English