余热直接利用技术的开发与应用  

Development and Application of the Direct Use Technology of MetallurgicalWaste Heat

作　　者：凌子愚 唐贤军[2] 刘青[3] 时黎 

机构地区：[1]山东省冶金科学研究院,山东济南250014 [2]济南钢铁集团总公司,山东济南250101 [3]山东轻工业学院,山东济南250100

出　　处：《山东冶金》2006年第2期20-22,共3页Shandong Metallurgy

摘　　要：冶金生产的许多工艺流程都伴有大量的热废气产生。以烧结生产为例,烧结矿冷却过程中产生的废气温度达200～450℃,含尘量一般为500～4000mg/m3。为充分利用余热资源,开发了废气经高温除尘后直接用于烧结点火的余热直接利用技术。采用钢—陶复合式结构的除尘器,结合采取特殊挂釉、高温烧成工艺,采取双旋气流和变径气封等措施,同时,设计时充分考虑系统的相容性,保证了系统有效除尘并长期稳定运行,年经济效益2000多万元。Many technological processes of metallurgy production are. accompanied by much large hot waste gas. Using the sintering process as an example, the waste gas of 200 - 450℃ is produced after sintering ore, forced draught cooling and the dust content of waste gas is generally 500 - 4000mg/m^3. In order to recycle residual heat, the technology of waste heat direct use that is, the waste gas is directly used for sintering ignition after the high temperature dedusting was developed. The steel-eeramic compound structure combining with special glazing and high sintering precesses, double-cyclone gas flow and adjustable orifice gas seal are adopted in desuster design. At the same time,the compatibility of the system is full considered in the design, ensuring the system can dedust effectively and run long and stably.

关 键 词：冶金余热 直接利用 烧结 点火 

分 类 号：X706[环境科学与工程—环境工程]