Apparatus for preheating waste oil
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United States of America Patent
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Jan 14, 1992
Grant Date -
N/A
app pub date -
Feb 7, 1990
filing date -
Feb 7, 1990
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A preheater system for waste oil burners utilizes a primary preheater remote from the burner nozzle and a secondary preheater adjacent the burner nozzle. The primary preheater ordinarily provides heat to the waste oil when the burner is operating. The secondary preheater ordinarily maintains the waste oil adjacent the burner nozzle at atomization temperature when the burner is not operating. Flow of waste oil from the primary preheater to the burner nozzle is precluded when the burner is not operating.
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