新日铁发展循环经济的技术措施  

Technical Measures to Develop Circular Economy in Japan's Nippon Steel

作　　者：潘秀兰[1] 王艳红[1] 梁慧智[1] 冯士超[1] 杨明[1] 

机构地区：[1]鞍钢股份有限公司,辽宁鞍山114009

出　　处：《世界钢铁》2009年第4期19-25,40,共8页World Iron & Steel

摘　　要：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。This paper introduces the energy - saving measures in ironmaking, steelmaking and rolling processes in Nippon Steel, and analyzes the steelmaker＇ s technologies in pollutant reduction and waste recycling, including mainly power generation from CDQ waste heat, Top Gas Pressure Recovery Turbining （ TRT ）, Combined Cycle Power Plant, zinc - containing dust recycling by rotary hearth furnace, hydrogen extraction from coke oven gas, new super cove coke, waste plastic recovery for coke - making, waste tire recovery for converter steelmaking, trash direct melting treatment, resourced system and so on, pointing out that Nippon Steel premises its management with environmental protection. Suggests are also made that the Chinese iron and steel enterprises take Nippon Steel＇ s experience for reference to make due contribution to the protection of environment and construction of circular economy.

关 键 词：新日铁 循环经济 节能工艺 减排 

分 类 号：X22[环境科学与工程—环境科学] TS724[轻工技术与工程—制浆造纸工程]