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Shenmu Calcium Carbide successfully passed the review of the implementation status of the recommendations regarding the energy-saving aspects of the expansion project for the cyclic comprehensive utilization of calcium carbide resources with an annual capacity of 1.2 million tons. On February 14th, Shenmu Calcium Carbide completed this review successfully. Members of the Shaanxi Province Energy Conservation Evaluation Expert Group, the Development, Reform and Science and Technology Bureau of Shenmu City, Shaanxi Chaoteng Ecological Environment Consulting Co., Ltd., as well as the heads of various departments and factories attended. During the review period, the expert panel conducted on-site spot checks to verify the rectification status of the comments on the energy-saving report for the Shenmu calcium carbide expansion project as well as related documents. They inspected the actual construction content, main processes, operational conditions, the energy management system, and the effectiveness of the energy-saving measures implemented. After thorough evaluation, the expert panel unanimously agreed that all the energy consumption solutions for the expansion project of Shenmu Calcium Carbide’s 1.2 million tons per year capacity for the circular utilization of calcium carbide resources have been implemented. The energy-consuming equipment is advanced and efficient, the energy management system is sound, the energy-saving technical measures are cutting-edge, and the energy measurement instruments are accurate and reliable. Both the overall energy consumption and energy efficiency levels meet industry benchmarks; therefore, the panel approved the review of the implementation status of the energy-saving measures outlined in the project report for Shenmu Calcium Carbide’s 1.2 million tons per year capacity facility for the circular utilization of calcium carbide resources. In 2024, Shenmu Calcium Carbide continued to optimize the \"peak-avoiding production\" approach for calcium carbide production, reducing the cost per unit of calcium carbide by approximately 500 yuan. Reasonably adjust the mixing ratios of coal grades 3-1, boiler dry slurry, and semi-coke to further reduce procurement costs. It actively participated in peak shaving on the electricity demand side during nighttime in the Northwest region, and implemented the capacity-based billing method for electricity costs in the second phase, resulting in cumulative savings of approximately 10.54 million yuan in electricity costs. By leveraging new forms of productive capacity to foster innovation, various projects have been carried out, including energy-saving upgrades for thermal power units, frequency conversion modifications for high-voltage motors, improvements to pneumatic conveying systems, and upgrades to the waste heat boilers used in the second phase of lignite processing. These efforts aim to stimulate the intrinsic motivation among all employees to seek efficiency gains through technological innovation, thereby contributing to the improvement of the company’s quality and productivity. On January 16, 2025, the expansion project for the comprehensive recycling and utilization of 1.2 million tons per year of calcium carbide at Shenmu Calcium Carbide successfully passed the environmental protection inspection upon completion. More than 40 people in total attended, including the Management Committee of Shenmu High-Tech Industrial Development Zone, the evaluation expert group, as well as the representatives from the design firms, construction firms, supervision firms, monitoring and evaluation agencies, along with the heads of various departments and factories. On July 14, 2024, the expansion project for the circular and comprehensive utilization of 1.2 million tons per year of calcium carbide production at Shenmu Calcium Carbide successfully passed the acceptance inspection for occupational disease prevention facilities. On July 24, 2024, the expansion project for the comprehensive recycling and utilization of 1.2 million tons per year of calcium carbide at Shenmu Calcium Carbide successfully passed the project quality completion inspection. On August 9, 2024, the expansion project for the comprehensive recycling and utilization of 1.2 million tons per year of calcium carbide at Shenmu Calcium Carbide successfully passed the acceptance inspection for safety facilities.