en.Wedoany.com Reported - On March 27, the 35kV substation for the Spherizone polypropylene plant of the China Coal Yulin Coal Deep Processing Base Project, undertaken by China National Chemical Engineering Hualu Company on an EPC basis, successfully achieved its first power-up. The completion of this milestone node marks the smooth opening of the key energy transmission channel for the project's installations.
To ensure a successful first power-up, the company's project department meticulously planned and coordinated, working closely with the owner and supervision units to conduct in-depth safety and technical briefings, strictly implement the division of responsibilities for each position, comprehensively inspect equipment status, and systematically rehearse the power-up operation procedures. Technical personnel, following the established plan, conducted item-by-item re-checks and verifications of key indicators such as the insulation performance of electrical equipment circuits and protection settings within the station, thoroughly identifying and eliminating all potential safety hazards, thereby building a solid foundation of safety and technical assurance for the power-up work. During the formal power-up phase, the main transformers, busbars, and high-voltage distribution equipment in the station successfully underwent impact tests and phase verification. The equipment operated stably under load, with all parameters such as voltage, current, and protection actions meeting design specification requirements, and all operational indicators reaching design standards.
The successful completion of this power-up operation provides stable and reliable power support for the individual commissioning of key equipment such as compressors, pumps, and instrument control systems. In the next step, the project department will take this opportunity to focus on the key tasks of the labor competition's final stage, systematically deploying and orderly advancing subsequent construction tasks. With a strong sense of responsibility and efficient execution capabilities, they will overcome difficulties and perform their duties diligently, laying a solid foundation for the project's smooth intermediate handover and subsequent commissioning and operation, delivering a satisfactory outcome to both the company and the owner.
China Coal Shaanxi Yulin Energy Chemical Co., Ltd. is a wholly-owned subsidiary of China Coal Energy Co., Ltd., with a registered capital of 11.077 billion yuan. Located in the Yuheng Industrial Park, Yuyang District, Yulin City, Shaanxi Province, its Phase I facilities have a production scale of 2.05 million tons of methanol and 600,000 tons of polyolefins annually, along with supporting utilities, which were completed and put into operation in July 2014. The Phase II coal chemical project of the China Coal Yulin Coal Deep Processing Base Project has an investment of 23.888 billion yuan. Located in the southern area of the Energy and Chemical Industry Zone, Yuheng Industrial District, Yulin City, Shaanxi Province, its main construction content includes 2.2 million tons/year of methanol and 900,000 tons/year of polyolefins. It also involves optimizing and upgrading the existing Phase I coal chemical project, constructing a 250,000 tons/year LDPE/EVA extension chain and supporting project. The main installations of the project include air separation, gasification, purification, sulfur recovery, methanol synthesis, MTO, olefin separation, three sets of polyolefin units, and one set of EVA unit, among others. The coal gasification unit adopts the gasification patented technology of Air Products and Chemicals, Inc., namely the semi-waste heat boiler process coal-water slurry gasification technology, and is undertaken by China National Chemical Engineering Tianchen Company on an EPC basis.
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