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Analysis of Reducing Exit Gas Temperature of Boiler
Author(s): 
Pages: 76-79
Year: Issue:  5
Journal: ELECTRICAL EQUIPMENT

Keyword:  排烟温度吹灰器制粉系统运行方式负荷漏风;
Abstract: 排烟热损失是发电厂锅炉各项损失中最大的一项.文章分析了影响邹县电厂排烟温度高的主要因素,即炉膛、水平烟道积灰,制粉系统运行方式的变化,一、二次风配比及制粉用热风量等,根据这些因素采取了相应的改进措施(如将次声波吹灰器改为蒸汽吹灰器,防止锅炉结焦,合理运用制粉系统再循环风门的作用,合理安排制粉系统运行方式、保持合适的过量空气系数等)后,取得了较好的效果,如排烟温度约下降5℃,排烟损失约减少0.5%.
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