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WASTE HEAT RECOVERY STRUCTURE FOR STEEL MAKING ELECTRIC ARC FURNACES, STEEL MAKING ELECTRIC ARC FURNACE FACILITY, AND WASTE HEAT RECOVERY METHOD FOR STEEL MAKING ELECTRIC ARC FURNACES
WASTE HEAT RECOVERY STRUCTURE FOR STEEL MAKING ELECTRIC ARC FURNACES, STEEL MAKING ELECTRIC ARC FURNACE FACILITY, AND WASTE HEAT RECOVERY METHOD FOR STEEL MAKING ELECTRIC ARC FURNACES
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机译：炼钢电炉的废热回收结构，炼钢电炉的设施以及炼钢电炉的废热回收方法
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摘要
A waste heat recovery structure includes a first exhaust gas flow path provided to each of steel making electric arc furnaces to discharge exhaust gas thereinto; a waste heat boiler disposed on the first exhaust gas flow path to recover waste heat as saturated steam from exhaust gas; a steam accumulator configured to store steam formed by confluence of saturated steam parts, each generated by the waste heat boiler; a steam super heater configured to turn steam into superheated steam by heating; a second exhaust gas flow path configured to lead exhaust gas from the waste heat boiler to the steam super heater to use it for superheating; a third exhaust gas flow path configured to discharge exhaust gas from the waste heat boiler not through the steam super heater; and a switching device configured to switch flow paths between the second and third exhaust gas flow paths.
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