风机技术文章 关键词：锅炉；SCR脱硝装置；引风机；失速；喘振 [gap=619]Key words: boiler; SCR de-NOX equipment; induced fan; stalling; surging
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induced draft fan 引风机 ; 抽风机 ; 排气式通风机
induced-draft fan 强制引风机 ; 吸风机 ; 感应抽风机 ; 抽风扇
induced draught fan 抽风机 ; 引风机 ; 抽风式风扇
jet induced fan 诱导式风机
induced fan blades 引风机叶片
induced fan pressure 引风机风压
pump and induced fan 泵和风机
Combined with the variable frequency transformation of the induced fan in my company, the variable frequency speed regulation technology is ripe, and the electricity-saving effect is significant.
结合我公司引风机的变频改造，认为变频调速技术已经成熟，节电效果显著，在其他转机上可以应用。
The installation of SCR would lead to the increase of pressure fluctuation, do harm to the burning stability of the furnace, and give more chances to boiler implosion as well as induced fan surge.
指出了SCR的加装使压力波动增大，低负荷时会影响稳定燃烧，使炉膛内爆的可能性变大，引风机喘振出现的几率变大。
The thesis analyses the possible reason causing the reliability state of Induced draft fan to change, it also analyses the treatment methods.
文章还分析了引起引风机可靠性状态变化的可能原因及其处理方法。
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