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INTELLIGENT TECHNIQUES FOR SMALL BOILER CONTROL


HOJBOTA MARIA RODICA
GRUP SCOLAR “ALEXANDRU CEL BUN” GURA HUMORULUI, SUCEAVA

Issue:

MOCM, Number 9, Volume II

Section:

Issue No. 9 - Volume II (2003)

Abstract:

The boiler Metering and Monitoring Project has resulted in signifiant savings at Ontario Northlands where the system was installed. The systems benefits impacts in three areas: - operational savings including maintenance, labour and capital cost; - utilities savings including natural gas, water and steam through efficiency gains; - environmental reductions in NOx, C02, and combustibles such as methane. The system achieves monitoring and automatic control through the use of a programmable logic controller PLC, coupled with a desktop computer PC for monitoring of boiler plant operation. The monitoring software includes trend analysis, allowing faster and more accurate diagnosis of alarms, upset conditions and preventative maintenance scheduling to cure minor problems before they become major ones.The PLC uses a fuzzy logic controller which anticipates steam load due to changes in the weather to maintain adequate capacity reserve on the boilers. This has operated successfully and allowed for a more constant steam pressure than obtainable by manual operation.

Keywords:

intelligent techniques, boiler control, monitoring emissions.

Code [ID]:

MOCM200309V02S01A0026 [0000994]


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