在修理低压锅炉时,经常采取堵塞少数暂时不宜更换、而又腐蚀严重或有缺陷的管子,有人称为闷头或闷管。如水管锅炉对流管束顺排布置,管子间距较大,可以单根换管:而错开排列或管子间距过小的对流管束内部的管子,则无法单根更换,可以暂时采用闷管的办法;火管锅炉个别有损坏的烟管 In the repair of low-pressure boilers, often take a small number of blocked temporarily should not be replaced, but corroded or defective tube, someone called the bulk head or stuffy tube. Such as water tube boiler convection tube bundle arranged in a row, the tube spacing is larger, can be a single tube: the staggered arrangement or tube spacing is too small convection tube bundle within the tube, you can not change a single root, you can temporarily use the stuffy tube approach; fire Tubes individually damaged tobacco pipe