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Accident # | 90922 |
State Police # | 06-06062 |
Accident Date | 2006-09-27 |
Report Date | 2006-09-29 |
Follow-up Date | 0000-00-00 |
Follow-up: | No |
Pollutant | Duration | Point Source | Greenhouse Gas | Criteria Pollutant | Ozone forming chemical | Amount of Release |
Accident Classified As:
the smoke is presumed to have been caused by hot insulation in the furnace ducting -pressure sensor failure
This incident was preventable but there is no information whatsoever as to why the accident was preventable. The F-202 Furnace was operating normally when a pressure sensor on the inlet air system failedÉWhen the pressure sensor failed, the system falsely detected low air flow to the furnace and the furnace drop-out doors functioned as designed. When the drop-out doors functioned, the hot flue gas that was being sent to the air preheater should have been automatically diverted from thr preheater directly to the stack thus protecting the air preheater from overheating. Due to incorrect wiring in the emergency shutdown system, the hot flue gas continued to flow through the air preheater and associated ducting. Without a medium to r
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