Sinopec company refining F101 delayed coking furnace tube cleaning
Release time：2017-05-27Author：Click：3102
1、Furnace tube parameter
Number of tubes: 4 row
Convection section parameter: Phi 127*10mm
Radiation segment parameter: Phi 127*10mm
2、Analysis of user equipment coking
A# furnace tube
Coking condition：
The maximum coking depth is 40mm, and the average coking reaches 16mm. The coking area is the radiation section and convection section
Comparison of furnace tube parameters
Flow measurement | Before coke cleaning | After coke cleaning | |
GPM | PSI | PSI | |
150 | 180 | 75 | |
200 | 260 | 90 | |
250 | 380 | 150 |
B# furnace tube
Coking condition：
The maximum coking depth is 35mm, and the average coking reaches 14mm. The coking area is the radiation section and convection section
Comparison of furnace tube parameters
Flow measurement | Before coke cleaning | After coke cleaning | |
GPM | PSI | PSI | |
150 | 140 | 75 | |
200 | 230 | 90 | |
250 | 300 | 150 |
C# furnace tube
Coking condition：
The maximum coking depth is 60mm, and the average coking reaches 18mm. The coking area is the radiation section and convection section
Comparison of furnace tube parameters
Flow measurement | Before coke cleaning | After coke cleaning | |
GPM | PSI | PSI | |
150 | 220 | 80 | |
200 | 280 | 90 | |
250 | 395 | 155 |
D# furnace tube
Coking condition：
The maximum coking depth is 54mm, and the average coking reaches 16mm. The coking area is the radiation section and convection section
Comparison of furnace tube parameters
Flow measurement | Before coke cleaning | After coke cleaning | |
GPM | PSI | PSI | |
150 | 210 | 78 | |
200 | 275 | 91 | |
250 | 370 | 152 |
Coke clear summary: in the process of cleaning coke, the radiation section of coking hard, A#B#C#D# coking is very serious, total clear coke powder (200L gasoline barrel) 26 barrels.
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