In the preventive maintenance process of catalytic cracking unit smoke turbine(hereinafter referred to as catalytic smoke turbine)in a refinery enterprise,scaling and erosion phenomena was found inside the smoke turbine.In order to solve this problem,the causes of scale formation and erosion were deeply analyzed,and the main factors affecting the long-term,efficient and stable operation of the catalytic smoke turbine were summarized,and the corresponding countermeasures were given,which accumulated experiences for the long-term operation of smoke turbine.
catalytic crackingsmoke turbinescale formationerosionlong period
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