The secondary air duct of boilers is a group of large diameter short ducts in parallel connection, having inlet air flow condition with inner positioned resistant pieces.

 
  • 摘要鍋爐二次風(fēng)道為有內置阻力件的一組并聯(lián)大口徑短通道,其阻力系數嚴重偏小而且風(fēng)門(mén)渦流強烈,從而造成二次風(fēng)強烈脈動(dòng)。
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