关键词: 连续重整装置, CycleMax, 再生器, 床层温度, 分离料斗, 约翰逊网

Abstract:

In view of the phenomenon of large temperature difference between the symmetrical temperature measurement points in the upper part of the coke burning bed of CycleMax regenerator in the continuous reforming unit, the temperature of coke burning bed of the regenerator, the temperature of the diplegs of the disengaging hopper, and the discharge situation of dust are analyzed. It is found that some diplegs are blocked and the dust increases. It is inferred that the abnormal temperature of the coke burning bed of the regenerator is due to the blockage of the disengaging hopper diplegs and the local blockage of the regenerator internal screen. Measures such as changing the regeneration white burning to black burning, knocking the diplegs to unblock the blocked diplegs, adjusting the elutriation gas volume, and increasing the frequency of blow back and dust unloading of the dust collector have been taken to increase the removal of catalyst dust and alleviate the problem. It is recommended to strengthen the heat tracing and insulation of the diplegs of the disengaging hopper, control the final boiling point of the reforming feedstock and the coke burning parameters of the regenerator, choose timing to shut down and unblock the blocked diplegs of the disengaging hopper, and clean the blocked internal screen of the regenerator.

Key words: continuous reforming unit, CycleMax, regenerator, bed temperature, disengaging hopper, Johnson screen