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鋼鐵行業(yè)“三氣”的特點是什么？
2020.09.05
一、焦爐煤氣的特點
（1）焦爐煤氣的氣體組成：CH4：22~26%；CO2：2~4%；CO:6~10%;H2:55~60%;N2:1~3%
（2）焦爐煤氣熱值：4100~4400大卡/標方
  總結(jié)：富氫富甲烷氫多少碳

二、高爐煤氣特點
（1）焦爐煤氣的氣體組成：CO2：20~25%；CO:22~30%;H2:1~3%;N2:50~57%
（2）焦爐煤氣熱值：750~900大卡/標方
  總結(jié)：熱值不高氮含量高

三、轉(zhuǎn)爐煤氣特點
（1）焦爐煤氣的氣體組成：CO2：15~20%；CO:40~65%;H2:1~3%;N2:10~35%
（2）焦爐煤氣熱值：1500~2000大卡/標方
  總結(jié)：熱值適中多碳少氫
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