Burner-tilt drive apparatus for a pulverized coal fired steam ge

Details Burner-tilt drive apparatus for a pulverized coal fired steam ge Burner-tilt drive apparatus for a pulverized coal fired steam ge

1982-07-01

1984-03-06

Makay, Albert J.

Liquid heaters and vaporizers

Regulation

Fuel and water

110261, 110263, 110347, 122479B, F22B 3742, F22D 500

Patent

active

044347472

ABSTRACT:
In a pulverized coal-fired steam generator having a generally vertical furnace (1) and a plurality of fuel-air admission assemblies (10) arrayed in a vertical windbox (40) in one or more walls of the furnace (1), at least one of the fuel-air admission assemblies (10) being a low load fuel-air admission assembly having a split coal bucket (30) with vertically adjustable upper and lower coal nozzles (32,34), the remaining assemblies having vertically adjustable single nozzle buckets (28), a tilt apparatus (50,60) 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.

REFERENCES:
patent: 4252069 (1981-02-01), McCartney
patent: 4304196 (1981-12-01), Chadshay et al.

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