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What is Optimizing Air Ratio in Lime Kilns about?
This document describes how recirculating exhaust gas from a lime kiln can help reduce excess air ratios and improve efficiency. Specifically: 1) Older lime kilns often operate at high excess air ratios to prevent overheating, which increases losses and fuel use. 2) Recirculating exhaust gas from the kiln and injecting it into the combustion chamber allows the air ratio to be reduced without exceeding safe temperature limits. 3) Lowering the air ratio through exhaust gas recirculation reduces stack los
- Author
- Fer
- Language
- EN