| 摘要 |
PURPOSE: A combustion apparatus using flue gas from hot stove equipment is provided to obtain energy saving effect by using flue gas generated during pressure relieving after hot blast blowing of hot stove as air for combustion and prevent danger of fire by reducing oxygen concentration of flue gas supplied to pulverized coal injection facility. CONSTITUTION: The combustion apparatus includes a flue gas control part which prevents outflow of flue gas into the atmosphere and pulverized coal manufacturing facility through waste air recovery valve(15) installed between checker chamber(3) and flue gas pressure relief valve(10), and in which mixing chamber(17) for supplying final combustion air by mixing combustion air with flue gas is connected to the flue gas recovery valve through flue gas recovery control valve(16); an operation control part at which a magnification setting input part is installed to calculate final combustion air ratio through operator connected to flue gas and combustion air temperature detectors(21,22) of the flue gas control part through air temperature input part and set temperature control magnification of combustion air and flue gas in the operator; and an input control part comprising controller for controlling the flue gas recovery control valve through values feedbacked from mixed air temperature detector(18) installed in the mixing chamber; selector for selecting control input value as a value automatically operated in the operator, and control value manual input part for controlling the flue gas recovery control valve(16), wherein the flue gas control part comprises flue gas recovery valve(15), mixing chamber(17), mixed air temperature detector(18), combustion air temperature detector(22), flue gas flow and pressure detectors(19,20), and flue gas temperature detector(21).
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