Detection of through-wall leakage - Coke Oven Managers Association
Detection of through-wall leakage - Coke Oven Managers Association
Detection of through-wall leakage - Coke Oven Managers Association
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Heating flue height (m)Heating flue height (m)Causes <strong>of</strong> inefficient heating operation (AMMR - CPM)• Results <strong>of</strong> combustionefficiency tests;• Complete assessment <strong>of</strong>heating flue and regenerator;• Air/gas ports─ Vide<strong>of</strong>il to inspect ports• Temp distribution─ Pyr<strong>of</strong>il (refractories)─ Suction pyrometer (gas)• Flame length─ CO content inside87654321airGood combustiongasRefractory flue<strong>wall</strong> temperatureGas temperature0700 800 900 1000 1100 1200 1300 1400 1500Temperature (°C)87654321airgasBad combustionRefractory flue<strong>wall</strong> temperatureGas temperature0700 800 900 1000 1100 1200 1300 1400 1500Temperature (°C)Flame: 4.5m, low CO Flame: 3m, CO > 1%O 2 ~ 6%O 2 ~ zero• Excess air─ O 2 content at top• Regenerator─ Inspection robotCOMA Conf, Scunthorpe, ECOCARB 4-5 April 2013 12
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