易挥发物质排放废气量的计算Word文档下载推荐.docx

1、40%-60%铸件浸蚀75%氢氟酸25%混酸浸蚀20%30%50-100150-200磷酸浸蚀80-12060-80装饰镀铬铬酐250-36040-502.5-3.5镀硬铬180-25055-600.501.8-2.5镀铝锡合金硼氟酸60-100硼氟酸铅160-200硼氟酸锡20-25氟硼酸盐氟硼酸铅250-300镀铅氟硼酸60-120钢铸件退镍铬酸20-28硼酸25-30铝合金硫酸阳极化100-20013-26铝合金铬酸阳极化35-4040+（-）2钢铁件化学抛光1%-4%20%-40%70-807%-30%铜和铜合金化学抛光10%-15%磷酸50%-60%40-60醋酸30%-40%镍的电

2、抛光70%-80%3%-5%表3 硫酸溶液蒸气分压力（mmHg）浓度（%）温度（）1020304050607080902535455565758.808.057.466.916.235.224.193.192.261.460.800.346.130.0416.7715.4414.4513.1611.589.848.006.174.442.821.610.590.280.0830.4228.0026.2823.9921.1918.1114.8311.528.375.443.211.310.580.1852.8748.7745.8641.9337.2331.9220.6315.169.966.09

3、2.661.140.3888.4481.5976.8870.4962.8154.1244.8725.4326.3717.5810.925.002.200.77142.83131.92124.45114.44103.3488.9573.8058.8644.2229.8818.979.263.981.48223.42206.59195.14179.95161.49140.45117.7994.6571.5248.8431.5515.897.022.68339.47314.26297.57277.85247.86216.26184.17147.37112.5777.7751.1326.3612.00

4、4.77502.67465.86441.67409.07370.16324.42274.27223.99171.94119.8879.9243.1220.008.30表4 硝酸水溶液上面的HNO3及H2O的蒸气压（mmHg）浓度P硝P水1000.00.130.270.531.011.878.215.227.647.580.01282003074586750.110.250.511.003.386.057.113.223.841691131742673935800.170.360.752.805.109.015.55.810.819.533.5561432183254800.120.561.13

5、2.184.057.2512.520.934.24.27.94.425.042.570.01101702583830.410.841.663.105.689.916.827.543.769.53.05.610.313.131.051811261922851.583.005.509.6516.527.143.367.51031524.107.4012.8021.8035.3086130481424.5671061532303301.22.4723148731081136621572323381.34.06.510.016.024注：浓度为重量浓度表5 HCl水溶液液面上水蒸气和HCl气体分压（m

6、mHg）15PHClPH2O18222628323438420.071.05.729.063.0130.02533.843.392.872.331.761.501.261.040.850.680.310.0020.0120.060.2941.473.367.636.87815856010.78.266.755.214.543.883.252.702.191.751.371.060.0040.0190.0950.452.174.9010.623.550.510521039970914.611.39.37.216.325.414.553.812.512.001.560.0070.0320.1483

7、.207.0515.132.568.514227751590015.412.69.958.577.526.375.354.413.602.882.300.0110.0500.2281.024.569.9021.044.5092188360627/26.8024.120.617.113.511.811.28.77.236.085.034.093.280.0280.522.109.219.139.41613225984742.136.430.224.018.415.711.49.51.114.4217535.77114127353595572.062.552.041.536.532.027.720

8、.417.414.512.10.160.608.606412423845086011610285.660.753.546.540.534.829.621.11.2516.358.511222839072020418516213899.087.576.566.557.049.135.80.732.5029.334062331024821117315413612010477.567.357.24.85216930954297046342537431726120728414089.2浓度为重量单位表6 HF水溶液液面上HF和H2O蒸气分压力（mmHg）PHF130.672.00.611.94.513

9、7115851.85.514.226516011.627.0表7 水溶液的蒸气压（mmHg）温度压力（）1356912.9285.2945.6856.1016.5437.0137.5138.0458.6099.92099.84410.51811.23111.98716171921232712.78713.63414.53015.47716.47717.53518.65019.82721.06822.37723.75625.20926.73928.3492933373930.4331.82433.69535.66337.72939.98942.17544.56347.06749.69252.44

10、255.32458.3761.50444649535464.8068.2671.8875.6579.6083.7188.0292.5197.21102.09107.20112.51118.04123.80585961636668129.82136.08142.60149.38156.43163.77171.38179.31187.54196.09204.96214.173.生产设备和管道不严密处的散发量各种生产设备和管道都有不严密之处，不严密处泄漏出有害气体量往往随使用期增大而增大。有害气体的泄漏量一般可采用下式计算： Gc=KCV（M/T）0.5式中，Gc设备或管道不严密处的散发量，kg/h

11、； K安全系数，视设备的磨损程度而定，一般取K=1-2； C随设备内部压力而定的系数，其值列于表5-151； V设备和管道的内部容积，m3； M设备和管道内的有害气体和蒸气的分子量； T设备和管道内部的有害气体和蒸气的绝对温度，K。表8 不同压力时的系数C值压力（绝对大气压）24011001系数C0.210.1660.1820.1890.290.374.油漆物件表面的散发量一般在油漆时都要用各种有机溶剂（如汽油、苯、甲苯等）作为稀料，因此在油漆完后，物件在自然干燥过程中，全部有机溶剂将从物体表面挥发散出，其散发量常用下列公式计算： G=ME式中，G油漆作业点的油漆挥发量，kg/a； M全年油漆

12、用量，kg/a； E油漆挥发量，kg/1000kg，查表9。表9 各类油漆有机溶剂挥发量（计量单位：公斤或标m3/t油漆）油漆代号油漆类别有机溶剂挥发量其中：苯类溶剂挥发量备注（附有机溶剂名称）重量（公斤）体积（标m3）Y油脂漆类200号汽油、松节油T天然树脂漆类311114200号汽油、二甲苯酚醛树脂漆类341200号汽油、二甲苯、甲苯L沥青树脂漆类4207623557200号汽油、二甲苯、煤油C醇酸树脂漆类432194200号汽油、二甲苯、松节油氨基树脂漆类50913136789丁醇、二甲苯、煤焦溶剂Q硝基树脂漆类537227纯苯、甲苯、丙酮、醋酸乙酯、醋酸丁酯、丁醇、乙醇G过氯乙烯漆类6

13、68166414101甲苯、二甲苯、丙酮、醋酸丁酯X乙烯树脂漆类569245乙醇、丁醇丙烯酸漆类64116329772纯苯、甲苯、二甲苯、醋酸丁酯、乙醇、丁醇、丙酮Z聚脂漆类408二甲苯、乙二醇、丙二醇H环氧树脂漆类246二甲苯、丁醇S聚氨脂漆类77二甲苯、醋酸丁酯、环已酮W有机硅类漆37088282甲苯、二甲苯、丁醇、醋酸丁酯各种橡胶漆类502443甲苯、二甲苯、纯苯、苯焦溶剂各大类油漆平均数380144辅助材料：硝基漆稀料（香蕉水）1000243510甲苯、醋酸乙酯、丁醇、醋酸丁酯、乙醇、丙酮其他稀料633二甲苯、丁醇、甲苯、丙酮、200号汽油、醋酸丁酯其他辅料369221364二甲苯、丁醇、纯苯、丙酮、200号汽油、醋酸丁酯、乙醇表10 涂漆过程中的不同阶段油漆溶剂挥发系数表涂料种类溶剂挥发系数（%）涂漆阶段流平阶段干燥阶段挥发性漆（过氯乙烯漆、硝基漆）10-30（前5min）氧化聚合性漆（醇酸漆）30-4040-60（其中40%在最初5min挥发）合成氨基漆60（在15min内）热固型漆（丙烯酸干漆）15-2040-50（15min，均匀挥发）