[Stones from Haichuan and other mountains] Maoming Petrochemical: The extruder ran continuously for 363 days in a long cycle, setting the best record in history.

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Maoming Petrochemical: The long-term operation of the extruder reached the best record in history 2019-01-03 Recently, the full-density workshop of Maoming Petrochemical Chemical Division has continuously improved the operation level of the full-density extruder by deepening the investigation of hidden dangers, strengthening the maintenance of key equipment, and actively carrying out technical research. As of December 27, 2018, the unit had been operating continuously for 363 days without failure, setting a record in history. The stable operation of the extruder is an important foundation for high-load production of the reaction system. In order to overcome the problem of short operating cycle of the extrusion press, since January this year, the workshop has strictly followed the "four-step" method to ensure the long-term operation of the unit. The first step is to deepen the investigation and management of hidden equipment hazards. Equipment professionals will conduct in-depth inspections on-site at least twice a day to truly have a comprehensive understanding of the areas they are responsible for. ； Develop effective rectification and preventive measures for the identified equipment hazards, and track and implement the rectifications to ensure that the operating condition compliance rate of the equipment in use is 100% and the integrity rate of the spare equipment is 100% ； The second step is to strengthen the special maintenance of key equipment, monitor the main operating parameters of the unit in real time, and do a good job in analyzing and evaluating the operating data. We should trace the source of abnormal points such as vibration, sound, temperature, etc. of the unit, and effectively analyze and solve problems from the source. ； The third step is to involve all employees in the maintenance of the unit, changing the old concept that skilled operators are only responsible for operation and not maintaining, improve the ability of team members to find problems and maintain equipment, and further ensure the safe operation of equipment. ； The fourth step is to actively carry out technical research. By further strictly controlling the temperature and gap opening of the extruder barrel and improving the lubrication of the unit, the problem of large vibration of the main reducer has been effectively solved. * * The operating cycle of the unit is extended. (Zou Hanbo)