中特集团各企业高炉主要生产技经指标对标2009年5月指标名称计算单位兴澄小高炉（2×450m3）兴澄小高炉（1×530m3）冶钢一炼铁(2×200m3)冶钢二炼铁(2×380m3)石钢(1×420m3+3×350m3)兴澄大高炉(1×3200m3)备注本月本月止累计本月本月止累计本月本月止累计本月本月止累计本月本月止累计本月本月止累计生铁合格率%99.9499.9199.8499.65100.00100.00100.00100.00100.0099.98　　　生铁一级品率%59.8451.1252.9741.8059.3961.6570.6970.9937.0757.10　　　入炉焦比Kg/t359.99362.95371.08374.53344.49353.22340.06345.57355.15365.17　　　综合焦比Kg/t490.96489.99493.20495.97504.35508.70485.66495.61500.84510.94　　　喷煤比Kg/t163.71158.79152.65151.81107.38105.70122.67123.28154.91159.53　　　平均热风温度℃1102.001103.251087.001096.0010871085107510801077.001075.00　　　渣铁比kg/t326.00336.50325.00339.25379.70383.68325.76312.02403.00428.00　　　高炉有效容积利用系数t/m3.d3.9923.9723.6453.6483.5603.6983.7543.6773.7353.656　　　休风率%2.662.072.711.611.050.951.331.601.3141.767　　　人造块矿使用率%92.4694.6192.0794.37100.00100.0098.2298.30..