Using infrared cameras, fuzzy logic and acoustic temperature measurement to improve combustion in MWCs
Conference
·
OSTI ID:20017379
A significant step for the improvement of firing rate and combustion control is the use of infrared thermography. Such a system has been successfully applied by L. and C. Steinmuller GmbH (Steinmuller) a long period of time at the Stapelfele municipal waste combustor (MWC) located in Germany. A camera installed on the boiler top casing supplies instantaneous information on the combustion conditions on the grate. In the event of undesired changes in firing position or firing length, countermeasures may be instituted immediately. A control system based on fuzzy logic, divided into several stage each of which includes a short-term and a long-term strategy, has been developed for this purpose. This system reduces fluctuations during combustion to an unavoidable minimum. The acoustic temperature measurement system installed in the first pass of the boiler provides valuable information about the temperature distribution in the zone. This allows the control room operator to adjust the distribution of secondary air to the front and rear row of nozzles so that uniform temperature and flow distribution are maintained at all times. Both installations allow the firing system to operate at more optimized conditions which results in such positive effects as reduced emissions and increased steam production.
- Research Organization:
- L. and C. Steinmueller GmbH, Gummersbach (DE)
- OSTI ID:
- 20017379
- Country of Publication:
- United States
- Language:
- English
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