I would like to ask about the problems encountered with the 2 sets of catalysts in this workshop
Thread Content
In this workshop, the two sets of catalysts have been experiencing overheating in their circular inclined tubes since the major repair carried out the year before last; the linings have been damaged, and recently there has even been a serious issue of leakage. We have had to cover those areas with iron plates almost every half month... In my opinion, there is a problem with the fluidization air in the regenerator’s circular inclined tubes, which causes the catalyst that has not burned completely to burn again at the bottom. Additionally, because the inclined tubes are quite tall, the velocity of the catalyst at the bottom is high, leading to erosion that damages the linings. How can we improve the current situation without shutting down production? This post was last edited by brainandrain on 2009-3-9 at 13:51
The patching can only provide a temporary solution; I think the amount of loose air can be reduced appropriately, which will lessen the wear on the catalyst between the lining and the pipe walls. It can alleviate overheating of the reactor wall, but the ultimate solution is to shut down the plant for lining repair.