MEASURING METHOD FOR FALLING RATE OF GREEN CHARGE

更新时间:2023-05-27 03:56:28 阅读: 评论:0

专利名称:MEASURING METHOD FOR FALLING RATE OF GREEN CHARGE IN BLAST FURNACE
学习的收获发明人:KATAOKA TSUNEO,HORIUCHI
活字印刷是谁发明的YOSHIHIRO,KIMURA
RIYOUSUKE,SUMIKAMA TAKASHI,KIMURA
KOUICHI
申请号:JP19446681
旅游北京
申请日:19811204
绿色生产生活方式公开号:JPS5896804A
公开日:开斋节
19830609
婴儿奶粉推荐专利内容由知识产权出版社提供
摘要:PURPOSE:To stabilize tapping temp. and the concn. of Si in pig iron and to prevent furnace cooling by measuring the falling rate of green charge at the tuyere ends of a blast furnace automatically and continuously from the sharp decreas in the output of a luminance meter provided at the tuyere, thereby controlling the operations of the blast furnace. CONSTITUTION:The luminance signal obtained from a luminance meter 1 mounted to a tuyere indicates the sharp decreas 11, 12 corresponding to the falling rate of green charge and this signal is cut off of DC components and high frequency nois with a band pass filter 2. The signal is compared with a reference level in a comparator 3, by which the signals E1, E2 corresponding the falling rate of green charge are obtained. The pul trains proportional to the time widths T1, T2 when the falling of green charge generates are outputted from an A/D converter 4, and the pul trains are counted with a pul counter 5, whereby the falling rate of green charge is determined and is displayed on a display device 6, or is outputted to an electronic computer, whereby
到的成语
懊恼的近义词
the rate of the fuel to be blown into the tuyeres, the rate of blasting, the amt. of the coke to be charged, etc. are controlled.
申请人:NIPPON KOKAN KK
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