并联锅炉引起的烟气倒窜问题改造

摘要

并联锅炉系统在进入公用脱硫脱硝系统前，存在烟气受阻后反窜备用炉；燃烧含硫煤，排烟温度低对锅炉稳定运行存在很大隐患。%In the paral el boiler system,before entering the public desulfurization denitration,smoke blocked flee back to the spare furnace;Burning sulfur coal,low exhaust gas temperature is bad for the stable,long-term operation.