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The 110kV main substation for Yulin Chemical’s 1.8 million tons per year ethylene glycol production facility was successfully powered up on the first attempt. Author/Source: Coal Chemical Industry 114 Forum; Date: 2021-01-13; Views: 4. Recently, the successful power-up of the 110kV main substation for this project marked the completion of the first milestone in its development. The 110kV main substation of Yulin Chemical Company, Shaanxi Coal Group, is supplied with power from two sources, both coming from the 330kV Qingshui substation of Yulin Electric Power Company. This main substation serves as the power hub for the entire project, responsible for distributing electricity to the various production areas of Yulin Chemical over an area of 13 square kilometers. The commissioning of the main substation represents the first milestone in Yulin Chemical Company’s demonstration project for the utilization of coal at different quality levels to produce new chemical materials. Hu Zhenhong, the electrical supervisor at the Mechanical, Electrical and Instrumentation Management Department of Yulin Chemical Company under Shaanxi Coal Group, said, “Since the main substation was successfully connected to the power supply on December 30, all electrical equipment in the station has been operating normally. Power supply is expected to be provided to various units starting this month, thereby ensuring a stable power supply for the 12 regional substations and power stations of the project, and guaranteeing the successful commissioning of Yulin Chemical’s 1.8 million tons per year ethylene glycol production facility.” ” Since the construction of Yulin Chemical Company’s 1.8 million tons per year ethylene glycol production facility under Shaanxi Coal Group, tens of thousands of workers have been employed at the construction site to work hard to meet deadlines, and 17 key milestones have been successfully achieved so far. At the same time, it took proactive steps in developing 5G dedicated networks, planned 10 major 5G industrial application scenarios, and ensured full coverage of 5G networks both indoors and outdoors in the factory premises; it was also the first digital delivery project in China’s coal chemical industry to achieve \"three unifications\" in its delivery process. Yulin Chemical is carrying out the construction of a demonstration project for the production of new chemical materials through the differentiated utilization of coal in the Qingshui Industrial Park of the Yushen Industrial Zone. As the largest coal chemical project under construction globally at present, this project covers an area of approximately 13 square kilometers. The total planned investment is 126.2 billion yuan, and it will be able to process over 24 million tons of coal per year. The project is constructed in two phases and four stages, comprising a total of 27 process units along with associated utility systems. These mainly include the medium- and low-temperature pyrolysis of 15 million tons of coal, the production of 5.6 million tons of methanol, 1.8 million tons of ethylene glycol, 2 million tons of MTO, as well as downstream products derived from these intermediates. The first phase of the project requires an investment of around 70 billion yuan; it will involve the construction of facilities for producing 1.8 million tons per year of ethylene glycol, 5.6 million tons per year of methanol, and 2 million tons per year of olefins, as well as a large amount of fine chemical products derived from these olefins. Phase 1, Stage 2 involves the construction of a facility capable of producing 5.6 million tons per year of methanol and 2 million tons per year of olefins, along with related processing units; completion is scheduled by the end of 2023. The 1.8 million tons per year ethylene glycol production facility is part of the first phase of the project; it is also the largest coal-based ethylene glycol production plant under construction worldwide, with an estimated investment of 26.5 billion yuan. The project utilizes Collin’s patented dry powder gasification technology and Japan’s patented technology for producing ethylene glycol from syngas. Shaanxi Coal Group Yulin Chemical Co., Ltd. and Nippon Kako Kagaku Co., Ltd. jointly invested in establishing Shanxi Coal Group Yulin Chemical Yugao Chemical Co., Ltd. to build and operate facilities for the production of oxalate esters as well as for the hydrogenation of oxalate esters to produce ethylene glycol. One of the overall goals set for the project construction is that by June 30, 2021, both the first phase of Project Phase I, which involves an ethylene glycol production facility with a capacity of 1.8 million tons per year, and the first phase of Project Phase II, which includes a coal pyrolysis facility with a capacity of 1.2 million tons per year along with a pilot plant for the advanced processing of coal tar with a capacity of 500,000 tons per year, will be mechanically completed – this goal is referred to as “21630”. Phase II of the project focuses on coal pyrolysis and is also divided into two stages. The first stage involves an industrial demonstration facility for 1.2 million tons per year of pulverized coal pyrolysis and 500,000 tons per year of advanced processing of coal tar; completion of the construction is scheduled for June 2021 ； In the second phase, the scale of pyrolysis will be increased to 15 million tons, and the coal tar industry chain will be expanded to produce aromatic hydrocarbons as well as downstream products derived from arylenes. Construction is scheduled to begin in 2022, with all construction work to be completed by the end of 2025.