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1 引言 济钢一铁厂共有350m~3高炉6座,配有19座热风炉,其中顶燃式热风炉6座,内燃式热风炉13座,全部为人工烧炉。由于高炉座数多,热风炉每小时6次的换炉对煤气管网压力造成频繁的波动,另外,管网上的用户较多、高炉不顺或休风也会引起系统煤气压力的频繁波动,从而给热风炉的烧炉带来很大的困难。为消除因煤气压力波动给烧炉带来的影响,1998年济钢一铁与闽东宏宇冶金
1 Introduction A total of 350 m ~ 3 blast furnaces are equipped with 6 hot-blast furnaces, including 6 hot-blast stoves and 13 internal-combustion stoves, all of which are man-made furnaces. Due to the large number of blast furnaces, hot air stoves, which change furnaces 6 times per hour, caused frequent fluctuations in the pressure of the gas pipe network. In addition, more users on the pipe network, blast furnace irregularities or break of wind caused frequent fluctuations of the system gas pressure, Thus bringing great difficulty to the stove of the stove. In order to eliminate the influence of gas pressure fluctuation on the furnace, in 1998, Jinan Iron and Steel Iron and Metallurgical Fujian Hongyu