Burner-tilt drive apparatus for a pulverized coal fired steam generator
Patent
·
OSTI ID:6632757
In a pulverized coal-fired steam generator having a generally vertical furnace and a plurality of fuel-air admission assemblies arrayed in a vertical windbox in one or more walls of the furnace, at least one of the fuel-air admission assemblies being a low load fuel-air admission assembly having a split coal bucket with vertically adjustable upper and lower coal nozzles, the remaining assemblies having vertically adjustable single nozzle buckets, a tilt apparatus for vertically adjusting all nozzles in unison in response to steam temperature at high loads and for vertically adjusting the lower coal nozzles of the split coal bucket of the low load fuel-air admission assembly independent of all remaining nozzles at low loads.
- Assignee:
- Combustion Engineering, Inc.
- Patent Number(s):
- US 4434747
- OSTI ID:
- 6632757
- Country of Publication:
- United States
- Language:
- English
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