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    • 9. 发明授权
    • Method and apparatus for recovering energy possessed by exhaust gas from
blast furnace by turbine
    • 通过涡轮机回收高炉废气所具有的能量的方法和装置
    • US4184323A
    • 1980-01-22
    • US862588
    • 1977-12-20
    • Setsuo AbeTomomi AsakuraTakeshi ShiratoMotomasa Miyake
    • Setsuo AbeTomomi AsakuraTakeshi ShiratoMotomasa Miyake
    • C21B7/00F01K25/14F02C1/00F02C9/16F27D17/00F02C9/02
    • F01K25/14C21B7/007
    • Method and apparatus for recovering heat energy and kinetic energy of a gas discharged from the top of a blast furnace effectively as electric energy or other energy by a turbine and a control mechanism. An exhaust gas is supplied to a septum valve and then into a turbine connected in parallel, and the capacity or design value of the turbine is set at a mean value of the total flow rate of the exhaust gas varying with the lapse of time during the normal steady operation of the blast furnace. When the total flow rate of the exhaust gas is lower than the mean value, all the exhaust gas is supplied to the turbine to recover the energy of the exhaust gas and the top pressure of the furnace is controlled by a governor valve regulating the speed of the turbine. On the other hand, when the total flow rate of the exhaust gas is higher than the mean value, a part of the exhaust gas corresponding to the mean value of the flow rate is supplied to the turbine to recover the energy of the exhaust gas, while the remaining part of the exhaust gas corresponding to the excess over the mean value is supplied to the septum valve and the top pressure of the blast furnace is controlled by the septum valve.
    • 从高炉顶部回收热能和动能的方法和装置,作为涡轮机和控制机构的电能或其他能量。 排气被输送到隔膜阀然后进入并联连接的涡轮机中,并且涡轮机的容量或设计值被设定为废气的总流量的平均值随着时间的流逝而变化 正常运行高炉。 当废气的总流量低于平均值时,所有废气都被供给到涡轮机以回收废气的能量,并且炉子的顶部压力由调节阀控制, 涡轮机。 另一方面,当废气的总流量高于平均值时,将与流量的平均值相对应的一部分废气供给到涡轮机以回收排气的能量, 而对应于超过平均值的过量的废气的剩余部分被供应到隔膜阀,并且高炉的顶部压力由隔膜阀控制。