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

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

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