The in-boiler aerodynamic field and horizontal flue duct gas speed distribution at the furnace outlet was measured.

测量了炉内空气动力场及炉膛出口水平烟道速度分布。

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In circular firing system, residual rotation of airflow at furnace outlet is the main reason for gas temperature deviation between two sides of furnace outlet and horizontal gas duct.

四角切圆燃烧锅炉炉膛出口气流的残余旋转，是形成炉膛出口和水平烟道两侧烟温偏差的重要原因，可造成高温受热面热偏差和超温爆管。

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