各种性质的粉尘K值.doc

表1 公共场所质量浓度转换系数K值（根据标准WS/T206-2001）密闭空调房间一般公共场所可见光光散射数字粉尘仪K1范围建议值范围建议值0.013-0.0150.0140.016-0.0210.02表28为劳动卫生各种粉尘质量浓度转换系数K值。表内K1为呼吸性粉尘、K为总粉尘 表2 采石场粉尘（TB/T2323-92）粉尘种类颜色密度g/cm3质量分散度m（%）K值22 5 10KK1石灰石凿岩粉尘灰白2.9105.911.482.70.42880.1405石灰石凿岩粉尘白2.7201.88.689.60.34830.0787石灰石破碎尘白2.7001.912.885.30.43370.0771石灰石破碎尘灰白2.9008.212.679.20.50000.1524石灰石磨砂尘（进料）灰白2.9601.68.190.30.19670.0521石灰石磨砂尘（出料）灰白2.904.410.616.069.00.34690.0808 表3 水泥厂粉尘（TB/T2323-92）粉尘种类颜色密度g/cm3质量分散度m（%）K值22 5 10KK1水泥尘灰3.1033.525.623.617.30.45700.0890孰料尘深灰2.6521.619.124.934.40.25200.0630石灰石尘灰2.709.509.713.767.10.26500.0680粘土尘黄2.6011.211.212.764.90.89400.2960混合生料尘铁灰2.601.81.811.480.20.40400.0780煤尘黑1.434.94.912.475.51.02500.6010 表4 隧道施工粉尘K值（根据标准TB/T2323-92）粉尘种类颜色密度g/cm3质量分散度m（%）K值22 5 10KK1灰质页岩粉尘灰2.7120.017.617.045.40.19900.0870砂岩尘黄红2.6923.317.416.642.70.06500.0460花岗岩尘灰绿2.703.512.618.965.00.06800.0190碳质页岩尘晶灰2.704.19.416.869.70.04300.0280喷锚尘深灰2.800.04.217.977.90.12700.0530喷锚尘深灰0.23400.0370柴油炭烟尘黑0.06700.0500表5 铸造粉尘（TB/T2323-92）工艺设备粉尘种类颜色密度g/cm3质量分散度m（%）K值22 5 10KK1碾砂台型砂白陶土深灰2.6413.214.515.956.40.46900.1930造型机型砂白陶土深灰2.144.53.08.384.20.07800.0320一次清理电焊气刨尘灰3.120.010.915.473.70.04100.0250抛丸机氧化皮砂铁灰2.620.03.47.289.40.17400.0610落砂机砂0.55600.1540滚筒清砂氧化皮砂灰2.570.03.88.188.10.31800.1270半吨抛砂氧化皮砂铁灰2.852.35.58.783.50.34400.1290多角筛干型旧砂铁灰2.684.17.912.975.10.32200.1280碾砂机砂白陶土灰2.645.17.011.776.20.75000.3800砂轮清铲砂氧化皮0.34000.0770电弧溶媒炉氧化铁深灰2.460.02.46.591.10.14200.0500表6 制砖、电焊及其他粉尘K值（根据标准TB/T2323-92）工艺设备粉尘种类颜色密度g/cm3质量分散度m（%）K值小于22 5 10KK1502电焊尘0.03240.0240422电焊尘0.02080.0150混合焊尘0.04140.0250机车防滑干砂房砂灰黄2.253.15.77.583.70.50300.2440闸瓦氧化铁砂铁灰2.852.74.38.584.51.17000.4000锅炉煤灰尘灰黑1.450.02.34.193.60.67400.3570木尘黄白1.08900.6220制砖出坯粘土砂炉灰褐黑2.315.76.28.979.20.68800.3070制砖窖内粘土砂炉灰红黄2.410.07.19.783.20.83400.4570水泥厂煤尘黑1.310.01.93.894.30.59900.2440电力车间除锈氧化铁褐2.734.28.413.573.90.55500.2190铝窗打磨氧化铁碳化硅灰褐3.513.84.17.684.50.77600.3290表7 几种粉尘现场测定的转换系数K值表工艺设备粉尘种类颜色总粉尘转换系数K呼吸性粉尘转换系数K1几何平均值几何标准偏差几何平均值几何标准偏差破碎机皮带机煤尘黑1.330.09361.15电焊CO2焊焊接尘灰0.04331.17锅炉房煤灰尘灰黑0.2931.23破碎机石灰石灰白0.3041.21水泥窖卸料处水泥孰料灰0.4111.16水泥入库提升机水泥尘灰0.2151.06表8 汽车齿轮厂机加工粉尘K值表粉尘种类CPM与mg/m3换算K值KK1石英石砂0.19170.0789砂轮粉尘0.49470.2192石墨粉尘1.84121.2576电焊粉尘0.04330.0236金属、炭黑尘1.07980.4150木 尘0.56600.2958硬质合金磨尘0.30280.166