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强化传热的方法,在当前节能中取得了极大成效。本文所介绍的在空气预热器光管中插入螺旋线圈,以扰动烟气流的边界层,减少热阻,为现役锅炉尾部受热面改造提供了一种方法。
The method of enhancing heat transfer has achieved great success in the current energy saving. The spiral coil introduced into the air preheater tube introduced in this paper to disturb the boundary layer of the flue gas flow and reduce the thermal resistance provides a method for the reconstruction of the heated surface of the tail of the active boiler.