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Implementation Guidelines for Energy Conservation and Carbon Reduction Transformation and Upgrading in the Coking Industry (2022 Edition)
Coking industry Implementation Guidelines for Energy Conservation and Carbon Reduction Transformation and Upgrading  1、 Basic information The coking industry is indispensable in China's economic construction, and its product coke is an essential fuel and reducing agent for long-term blast furnace ironmaking. The coking process is an energy conversion process that mainly consumes clean coal, blast furnace gas, coke oven gas, etc. The coking industry is facing problems such as high energy consumption and high pollution, with great potential for energy-saving and carbon reduction transformation and upgrading. According to the "Energy Efficiency Benchmark and Benchmark Levels in Key Fields of High Energy Consumption Industries (2021 Edition)", the energy efficiency benchmark level of the top mounted coke oven process is 110 kilograms of standard coal/ton, and the benchmark level is 135 kilograms of standard coal/ton; The benchmark level of energy efficiency in the stamping coke oven process is 110 kilograms of standard coal per ton, and the benchmark level is 140 kilograms of standard coal per ton. As of the end of 2020, about 2% of the coking industry's energy efficiency was better than the benchmark level, and about 40% of the production capacity was lower than the benchmark level. 2、 Work direction （1） Strengthen advanced technology research and cultivate benchmark demonstration enterprises. Utilize the hydrogen rich characteristics of coke oven gas, orderly promote the development and utilization of hydrogen energy, research and carry out demonstration applications of coke oven gas reforming direct reduction ironmaking engineering, achieve deep industrial integration with modern coal chemical, metallurgical, petrochemical and other industries, reduce terminal emissions, and promote energy conservation and carbon reduction throughout the entire industrial chain. （2） Accelerate the popularization and promotion of mature processes, and orderly promote transformation and upgrading. 1. Green technology process. Focus on promoting the application of advanced energy-saving technologies such as efficient distillation and heat pumps. Accelerate the popularization and application of precise heating automatic control technology for coke ovens, achieve optimized temperature control during the heating and combustion process of coke ovens, and reduce the consumption of heating gas. Increase the research and application of coal moisture control technology to reduce its impact on production processes. 2. Cascade comprehensive utilization of waste heat and energy. Further increase the recovery and utilization of excess heat and energy, promote the application of advanced and applicable technologies such as dry quenching, riser waste heat recovery, circulating ammonia water and primary cooler waste heat recovery, and flue gas waste heat recovery, and study the optimization of excess heat coupling in coking systems. 3. Energy system optimization. Research and develop coking process informatization and intelligent technology, establish intelligent coal blending system, improve energy control system, build energy control center, and increase the application of automation, informatization, and intelligent control technology in production organization, energy management, and business management. 4. Transformation of circular economy. Promote efficient resource utilization technologies such as salt extraction and acid production from coke oven gas desulfurization waste liquid, and solve the problem of waste pollution. Utilize existing coking equipment and production capacity, research and strengthen the efficient and comprehensive utilization of coke oven gas, extend the industrial chain of coke oven gas utilization, and explore new fields of coke oven gas application. 5. Renovation of public and auxiliary facilities. Increase the proportion of efficient and energy-saving products such as energy-saving water pumps, permanent magnet motors, permanent magnet speed regulation, and switched reluctance motors, allocate motor power reasonably, and save electrical energy in the system. Encourage the use of low-quality heat sources from the coking industry for heating in surrounding towns. 3、 Work Objectives By 2025, the proportion of production capacity above the energy efficiency benchmark level in the coking industry will exceed 30%, and production capacity below the energy efficiency benchmark level will be basically cleared. The industry's energy-saving and carbon reduction effects will be significant, and the green and low-carbon development capacity will be significantly improved. Attachment: 1、 Guiding transformation and upgrading For enterprises with energy efficiency at the benchmark level, especially below the benchmark level, actively promote the advanced technology and equipment proposed in this implementation guide, green technology promotion catalog, industrial energy-saving technology recommendation catalog, and the "Energy Efficiency Star" equipment product catalog, strengthen energy system optimization, residual heat and pressure utilization, pollutant reduction, comprehensive utilization of solid waste, and renovation of public and auxiliary facilities, and improve the green level of production processes and technical equipment, Improve the efficiency of resource and energy utilization, and promote the formation of a strong domestic market. 2、 Strengthen technical research Fully utilize the innovative resources of higher education institutions, research institutes, industry associations, and other units to promote the research of green common key technologies, cutting-edge leading technologies, and related facilities and equipment for energy conservation, pollution reduction, carbon reduction, and synergy. Promote backbone enterprises with energy efficiency reaching or approaching benchmark levels, adopt advanced cutting-edge technology and equipment to plan and construct demonstration projects, and lead the high-quality development of the industry. 3、 Promoting agglomeration development Guide backbone enterprises to leverage their advantages in capital, talent, and technology, voluntarily carry out mergers and acquisitions in this field through methods such as selecting the best and replacing the worst, and capacity replacement. Concentrate on planning and constructing large-scale and integrated production bases, improve the level of process equipment and energy utilization efficiency, and build a development pattern with a reasonable structure, effective competition, and standardized order. It is not allowed to blindly expand production capacity and repeat low-level construction under the pretext of mergers and acquisitions. 4、 Accelerate the elimination of lagging behind Strictly implement relevant laws and regulations on energy conservation, environmental protection, quality, safety technology, and policies such as the "Catalogue for Guiding Industrial Structure Adjustment", and eliminate outdated process technologies and production devices that do not meet the requirements of green and low-carbon transformation and development in accordance with the law and regulations. For production capacity whose energy efficiency is below the benchmark level and it is difficult to achieve above the benchmark level through transformation and upgrading within the specified time limit, we will promote its accelerated exit through market-oriented and legal means.
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