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1、典型装置焦化炉操作状况剖析 第171页2. 燃料组成对对流室传热效果的影响表21燃料组成项目单位石家庄沧州塔河金山胜华XX史口天津石化燃料组成甲烷v%38.249.8856.90644.8717.6732.7560.8719.78乙烷v%18.4345.4520.59115.928.5812.05208.55乙烯v%1.7430.611.8232.9349.5915.54.40丙烷v%14.4433.191.0648.1922.810.81.911.66丙烯v%3.15820.760.6014.4842.733.81.653.91丁烷v%7.960.380.0842.536.330.50.13
2、5.64丁烯v%2.1931.390.3102.3040.750.8501.19戊烷v%2.7980.910.4430.3080.3000.95戊烯v%000.00000000氢气v%9.518.2618.1798.65641.5322.710.4922.96硫化氢v%0005.0680000.015一氧化碳v%00.92000.43000.0016氧气v%01.802.2211.81.99503.1429二氧化碳v%09.4100.2920.671.5505.7916氮气v%1.53127.0402.2216.87.505016.4232水v%0000000.550合计v%100100100
3、100100100100100燃料低热值kJ/kg4697226786502934316043283413974927833449理论空气用量kg/kgF15.838.6416.9814.4613.9913.4516.6510.99过剩空气系数1.251.251.251.251.251.251.251.25实际空气用量kg/kgF19.7810.8021.2218.0717.4916.8220.8113.74表22操作条件项目单位数值备注辐射进料量kg/h63670双路介质入炉温度307辐射出口温度493.5辐射出口压力Mpa0.38绝压一次注水量kg/h353.5一次注水位置1二次注水量kg
4、/h131.5二次注水位置31注水温度364注水压力Mpa1.4绝压汽化分率m%100空气入炉温度194预热后过剩空气系数1.25表23 不同燃料组成对对流传热系数的影响燃料来源项目单位石家庄沧州塔河金山胜华XX史口天津石化辐射入口压力Mpa1.18961.18961.18951.18961.18881.18881.18951.1895燃料用量Nm3/hr863.915491330.61087.614431406.31250.31354kg/hr11021941103511941192124210541556烟气流量kg/hr2289422915229942278322039221312299
5、222935单耗kgEo/t渣油19.4119.5119.5219.3419.3519.2919.4819.52炉膛温度778.23778.23778.21778.21778.78778.78778.2778.21烟气经油换热后温度434.2435437.6435.4432.4432.5437.3436.3对流转辐射温度360.8360.7361.3360.7359.93360361.2361渣油段传热量kW2664.22659.326892659.32611.82615.226842674.1管外综合对流传热系数W/m2C19.40919.40119.46619.37919.16819.19
6、19.45919.429管内综合对流传热系数W/m2C562.852562.852562.852562.852562.852562.852562.852562.852总对流传热系数W/m2C18.618.618.6618.5818.3818.418.6518.62说明炉结构、操作条件及原料油物性数据均取自石家庄2005年8月数据3. 辐射进料馏程对关键工艺参数的影响表31辐射进料馏程汇总表（11种）大庆减渣进料馏程温度收率%20密度51095.670.9969总计100.9939辽河循环进料馏程温度收率%20密度51088.79520.9969总计100.9912济南循环进料馏程温度收率%20
7、密度51086.50.9969总计100.9873荆门循环进料馏程温度收率%20密度51085.780.9969总计100.9886长岭进料馏程温度收率%20密度51075.0891.0468总计1001.0217石家庄进料馏程温度收率%20密度510751.0135总计100.99995沧州循环进料馏程温度收率%20密度51072.620.9969总计100.9765统计14进料馏程温度收率%20密度21000.735421024000.856124027000.85612703000.15120.85613003302.15720.85613303602.12460.95713603903.8670.95713904205.480.95714204506.04
