It is found that the main cause of tubes bursting is the flame in the burner washing down watercooled wall and the uneven distributed flue-temperature over the convectionsuperheater.
认为炉内火焰冲刷水冷壁及对流过热器烟温分布不均是造成爆管的主要原因。
2
Retractable blowers shall be provided for the convection evaporative surface (third pass) and inlet to the superheater.