The practice shows that the hydrodynamic performance in the water-wall is stable and the tube wall temperature of the heating surface is normal during intermittent pressure cycle purging with flame.

• 不熄火降压吹管时锅炉水冷壁水动力工况稳定，受热面管壁不超温，其成功经验可为类似锅炉吹管提供参考。