各种性质的粉尘k值

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1、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2~8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μm（%）K值＜225＞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

2、.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μm（%）K值＜225＞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2.709.509.713.767.10.26

3、500.0680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μm（%）K值＜225＞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2.703.512.618.965.00.06800.019

4、0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μm（%）K值＜225＞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

5、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

6、/T2323-92）工艺设备粉尘种类颜色密度g/cm3质量分散度μm（%）K值小于225＞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锅炉灰黑1.450.02.34.193.60.67400.3570煤灰尘木尘黄白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2.410.0

7、7.19.783.20.83400.4570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