The primary power supply to Substation 301 of Yueneng Chemical Materials Co., Ltd.’s 1.2 million tons per year coal-based ethylene glycol Phase I project was successfully established

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The 301 main substation of Yulin Energy Chemical Materials Co., Ltd.’s 1.2 million tons per year coal-based ethylene glycol production project was successfully powered up for the first time. Author/Source: Huahua Network – Coal Chemical Industry. Date: November 15, 2022. Clicks: 25. At 22:30 on November 11, with the last station transformer being brought online successfully, the 301 main substation of this project was successfully powered up for the first time. At 2 a.m. on November 11, in accordance with the instructions from the dispatching center of State Grid Yulin Power Supply Company, the power supply restoration work at YuNeng Chemical Company’s Main Substation No. 301 was officially launched. Under the guidance of Yulin Power Supply Company of State Grid and Yulin Electric Power Investment Company, the project’s production scheduling team, power dispatching team, mechanical and electrical instrumentation department, construction units, as well as after-sales staff from manufacturers worked closely together in coordination, carrying out switchgear operations strictly in accordance with the receiving plan for Substation 301. The entire power reception process was well-prepared, meticulously organized, and carried out efficiently. Over a period of more than 20 hours, over 260 dispatch commands were received and executed, successfully completing the power reception task at Substation 301. The successful primary power supply at the 301 main substation marks the official commissioning of the pilot unit for the ethylene glycol project at Yueneng Chemical, providing the necessary conditions for the commissioning of various production units. The first phase of the project to produce 400,000 tons per year of ethylene glycol as part of Shaanxi Yulin Energy Group Co., Ltd.’s 1.2 million tons per year coal-based ethylene glycol production capacity, is a project that marks the commencement of operations at the coal-based clean fuel and high-end chemical materials facilities located in the Qingshui Industrial Park of the Yushen Industrial Zone. The total planned land area for this project is 711 mu, with an estimated investment of 6 billion yuan; the construction period is set at 30 months, and completion and operation are scheduled for 2022. The project construction includes a gasification unit, a purification unit, an H2/CO separation unit, an ethylene glycol unit, etc. The utility systems and supporting auxiliary facilities include: 3×350t/h high-temperature and high-pressure circulating fluidized bed boilers + 2×30MW back-pressure steam turbine generator sets, air separation units, circulating water stations, desalination stations, storage and transportation facilities, and sewage treatment plants. The coal gasification unit employs the Collin powder coal gasification technology and includes 2 powder coal gasifiers; the ethylene glycol unit uses the Zhongke Yuandong ethylene glycol technology. Carbon monoxide and hydrogen are used to indirectly synthesize ethylene glycol through carbonylation, coupling, and hydrogenation, with by-products including dimethyl carbonate, crude ethanol, mixed alcohols, sulfur, liquid oxygen, and liquid nitrogen.