大港石化烷基化装置检修达预期

Core Insights - The alkylation unit at Daqing Petrochemical has achieved a continuous operation of over 1000 days, setting a record for the longest full-load operation among six domestic ionic liquid alkylation units [1] - The recent maintenance focused on key equipment such as reactors, compressors, and heat exchangers, achieving all planned maintenance goals [1] Maintenance and Upgrades - A total of 134 key maintenance tasks and technical upgrades were completed four days ahead of schedule [1] - The maintenance eliminated 28 safety hazards and is expected to save 6.8 tons/hour of medium-pressure steam and reduce circulating water consumption by 230 tons/hour [1] - The estimated annual cost savings from these improvements is approximately 10 million yuan [1] Technical Improvements - Successful modifications included the redesign of the refrigeration compressor impeller and enhancements to the cooling water processes for various equipment [1]