Pulverized solid fuel nozzle tip assembly with low contact frame
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United States of America Patent
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-
Jan 2, 2024
Grant Date -
N/A
app pub date -
Dec 16, 2022
filing date -
Dec 16, 2022
priority date (Note) -
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status (Latency Note)
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Abstract
A pulverized solid fuel nozzle tip assembly with a low contact frame for use with a pulverized solid fuel pipe nozzle is described. The pulverized solid fuel nozzle tip assembly has an outer nozzle tip portion adapted to mount in supported relation with the pulverized solid fuel pipe nozzle, and an inner nozzle tip portion adapted for mounting within the outer nozzle tip portion to have secure tiltable movement. The outer nozzle has supporting surfaces that support surfaces of the inner nozzle tip portion to minimize the tilting forces transmitted to the inner nozzle tip portion during normal furnace operation, enhancing the wear resistance of the pulverized solid fuel nozzle tip assembly. The supporting surfaces of the outer nozzle also eliminate stress cracking to the surfaces of the inner nozzle tip portion that can arise due to thermal growth.
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