典型装置焦化炉操作状况剖析.doc

《典型装置焦化炉操作状况剖析.doc》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、此文档收集于网络，如有侵权，请联系网站删除2.燃料组成对对流室传热效果的影响表2－1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%3.15820.760.601

2、4.4842.733.81.653.91丁烷v%7.960.380.0842.536.330.50.135.64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%01.802.2211.81.9950

3、3.1429二氧化碳v%09.4100.2920.671.5505.7916氮气v%1.53127.0402.2216.87.505016.4232水v%0000000.550合计v%100100100100100100100100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　1.251.251.251.251.251.251.2

4、51.25实际空气用量kg/kgF19.7810.8021.2218.0717.4916.8220.8113.74表2－2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/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　此文档仅供学习与交流此文档收集于网络，如有

5、侵权，请联系网站删除表2－3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/hr22894229152299422783220392213122992229

6、35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

7、综合对流传热系数W/m2C19.40919.40119.46619.37919.16819.1919.45919.429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月数据此文档仅供学习与交流此文档收集于网络，如有侵权，请联系网站删除3.辐射进料馏

8、程对关键工艺参数的影响表3－1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<21000.7345210—24000.8419240—27000.8458270—30000.8588300－3300.520.8627330－3600.530.8691360—3900.240.8954390—4200.250.9194420—4500.240.927450—4800.440.9465480—5102.110.9614>51095.670.9969总计100.993