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叙述了新日铁炼铁、炼钢和轧钢等钢铁生产工序的具体节能措施,分析了新日铁的污染物减排技术措施和社会废弃物再利用技术,主要包括:干熄焦余热回收发电、高炉炉顶煤气余压回收透平发电、焦炉和高炉煤气循环利用发电、转底炉回收含锌粉尘、焦炉煤气提氢技术、建设新一代超级焦炉、废塑料回收为炼焦原料、废轮胎用作转炉炼钢原料、垃圾直接熔融处理与资源化系统等。指出:新日铁以“环境保护”为经营前提,中国钢铁企业应该借鉴新日铁的经验,为环境保护和循环经济建设做出应有的贡献。
Describes the Nippon Steel Iron and Steel, steelmaking and rolling and other steel production processes of specific energy-saving measures, analysis of the Nippon Steel pollutant emission reduction technology and social waste recycling technologies, including: CDQ waste heat recovery power generation , Blast furnace top coal gas pressure recovery turbine power generation, coke oven and blast furnace gas recycling power generation, rotary hearth furnace recovery of zinc dust, coke oven gas hydrogen extraction technology, building a new generation of super coke oven, waste plastics recycling as coking raw materials, Waste tires for BOF raw materials, garbage directly melt processing and resource systems. It points out that when Nippon Steel is operating under the precondition of “environmental protection”, Chinese steel enterprises should learn from the experience of Nippon Steel and make due contributions to environmental protection and circular economy.