焦炭负荷变化分析

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1、近期高炉焦炭负荷降低分析近期，各高炉均出现焦炭负荷降低的情况，通过对比进厂焦炭和煤粉成分及煤粉发热值和焦炭反应活强度变化，发现各炉焦炭负荷K降是由喷吹煤发热值降低及焦炭反应后强度不降造成的。一、各炉指标2#炉12曰13曰14曰15曰16曰17曰产量3062.613226.463364.333270.953216.033065.77焦比385363345346360374煤比155149144152152156燃料比540512489498512531风温117011701170117011701170Si0.420.440.410.410.360.

2、52综合位55.3655.2455.1555.1555.2355.19C0219.9019.9019.4019.7020.3020.10煤气利用47.4948.0747.2047.2447.2147.863#炉12曰13曰14曰15016曰17日产量4605.834875.954752.514736.424885.765055.99焦比385354390380371356煤比153146152155151143燃料比539500541536522499风温119011901190119011901190Si0.500.460.370.330.320

3、.35综合品位55.3255.1755.2055.1855.5655.44C0219.2020.4021.0020.5021.5020.60煤气利用47.6448.3449.0748.8149.2047.474#炉12曰13曰14曰15曰16曰17曰产量5072.104731.194887.895033.044753.834988.82焦比382377386362375383煤比141149147143150141燃料比523526533505526525风温114011401140114011401140Si0.320.310.280.260.2

4、90.31综合品位55.0854.8954.9254.9455.0755.34C0219.9020.4019.5020.1021.0020.60煤气利用48.3048.8046.5448.5548.5048.825#炉12013曰14曰15曰16曰17曰产量476352354525481347164848焦比382347394367386374煤比142133158148158157燃料比524480552516544531风温121012101210121012101210Si0.410.230.210.240.260.34综合品位54.9054

5、.9254.4354.8255.1555.22C0248.9848.9949.0148.9448.6548.96煤气利用20.4021.2020.0020.2020.5020.90对比：各炉焦比、综合品位、风温、煤气C02、煤气利用率基本稳定,其它操作参数也保持稳定，同时还能实施低硅冶炼和提煤比操作，高炉也未出现设备故障或冷却系统漏水，说明高炉炉况管理和操作方面没有问题。那么影响焦炭负荷下降的因素可能是原燃料方面质量下降造成的。二、各焦炭负荷变化情况1、各炉焦炭负荷H期12H13H14H15H16H17H18H2#炉4.334.214.244.24

6、4.274.244.273#炉4.164.224.224.254.204.214.224#炉4.224.244.294.244.234.184.115#炉4.314.334.314.324.194.204.16对比：3#、5#炉炉从15日起、4#炉从14日起，焦炭负荷整体下降。2、各炉综合负荷日期12曰13曰14曰15闩16曰17闩18曰2#炉3.133.033.053.143.053.033.053#炉3.023.053.073.093.043.043.064#炉3.133.103.143.113.073.093.035#炉3.183.193.1

7、13.153.033.013.06对比：3#炉从15日起、4#炉从14日起，5#炉从13日起，综合负荷整体下降。三、近期燃料指标统计.•1、韩城低挥发烟煤（进购）円期水份灰分挥发分固定碳发热量8曰13.0510.4517.1173.560.609曰12.9810.6315.7674.740.68653310曰12.6010.0418.0173.080.6111曰13.589.9617.5073.600.6512闩14.4010.7314.8475.640.67631914曰13.4410.9114.8775.280.63639615曰11.4010

8、.8515.2374.880.656551对比：发热值先降后升。（13口未进购）2、下峪口烟煤（进购）日期水份灰分挥发分固