Optimized Zone Control.
Efficient operation of steel reheat furnaces requires accurate control of air-to-fuel ratios in each heating zone. The consequences of deviations from setpoint, or poor ratio control, are lower fuel efficiency and scale formation from excess combustion air, or unburned CO and safety concerns from insufficient combustion air. ZoloSCAN, using real-time, laser-based sensing, measures O2, CO, H2O and temperature in each combustion zone. ZoloSCAN is not a spot measurement technology. The laser measures across the entire furnace to deliver accurate and reliable analysis of products of combustion. The data, when delivered to the PLC or DCS can be used for closed-loop zone ratio control or general combustion monitoring. The results are lower fuel consumption, reduced scale formation and a safer operation.
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