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Successful joint commissioning of Yuenenghua’s No. 3 air separation unit / Author/Source: Weiyuenenghua / Date: May 8, 2021 / Clicks: 5. On May 7, through relentless efforts and by overcoming numerous difficulties, all the staff working at the air separation plant in Yuenenghua’s methanol division, along with the construction workers from various teams on site, managed to complete the joint commissioning of the No. 3 air separation unit successfully. This achievement provides a solid foundation for subsequent tasks such as purging the process pipelines, conducting cooling tests, producing qualified products, and addressing any deficiencies in the various equipment involved in the project. According to the person in charge of the methanol center, since the No. 4 air separation unit began producing qualified products, in order to ensure the successful joint commissioning of the No. 3 air separation unit, the center’s leadership and plant management staff gave up their May Day holidays and worked overtime, staying committed to their goals. They led all the personnel working at the air separation unit, organized construction workers from various parties, and arranged the construction processes in a scientific manner, ensuring that tasks such as the installation of process pipelines, stress adjustment, and system debugging were completed on schedule. In particular, they overcame difficulties such as the calibration of instrument interlock controls and the alignment of the unit’s shafting, thus ensuring that the commissioning of the No. 3 air separation unit proceeded in an orderly manner as planned. At around 13:00, the coordinated test run of Unit 3 was successful. The joint commissioning of Unit 3 of the air separation plant was successful, providing a foundation for subsequent leak detection in the cryogenic tanks as well as for the startup of the process systems. This lays a solid basis for ensuring that all facilities within the company’s projects can operate at full capacity.