北方冬季烧结大烟道余热锅炉停机防冻方法及装置的研究

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英文篇名：Study on an equipment and method aimed to prevent waste-heat boiler of sintering machine flue from freezing in winter in north China 作者：徐阳 ; 杜蒙 ; 顾宪威 ; 李欢 ; 王晨明 ; 胡永贵 ; 张晓妮 英文作者：Xu Yang;Du Meng;Gu Xianwei;Li Huan;Wang Chenming;Hu Yonggui;Zhang Xiaoni;Sinosteel Anshan Research Institute of Thermo-Energy Co.,Ltd.;Lingyuan Iron and Steel Co.,Ltd.;Anshan Iron and Steel Casting Co.,Ltd.; 关键词：余热锅炉 ; 防冻措施 ; 换热器 英文关键词：waste-heat boiler;;anti-freezing method;;heat exchanger 中文刊名：YJLY 英文刊名：Energy for Metallurgical Industry 机构：中钢集团鞍山热能研究院有限公司;凌源钢铁集团公司;鞍钢铸钢有限公司; 出版日期：2018-09-30 出版单位：冶金能源 年：2018 期：v.37 语种：中文; 页：YJLY201805014 页数：3 CN：05 ISSN：21-1183/TK 分类号：57-59

摘要

北方冬季烧结机停机检修期间,烧结大烟道余热锅炉的防冻一直是困扰钢厂的一个难题。传统防冻方法具有能耗高、设备风险大和能源介质消耗高等缺点。结合东北某钢厂180m2烧结机大烟道余热锅炉实际工况,提出并设计了新的防冻方法,利用排水结合换热器制备热空气烘干的方法对余热锅炉进行防冻,取得了良好的使用效果。
        It's difficult to prevent the flue waste-heat boiler from freezing during maintenance of sinter machine in winter of China. For the conventional methods it's high energy consuming,and there is high chance that the equipment would be broken. According to the actual running parameters of flue waste-heat boiler in 180 m2 sintering in northeastern China,new anti-freezing method,which is draining coped heating with hot air heated by steam in heat exchanger,was designed and adopted. It was showed promising performance after putting in to practice.

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