In designing, and especially in modifying a smoke-tube boiler, this is one of the most promising approaches to strengthen the heat transfer.
在设计烟管锅炉，特别是改造烟管锅炉中，它是最有希望的强化传热方式之一。
2
This paper has mainly introduced when using arch tube-plate and screw smoke-tube to reform the DZ-type horizontal packaged boiler. Good results of saving on energy has been got.
文章介绍了采用拱形管板和螺纹烟管技术对DZ卧式快装锅炉加以改造，取得良好节能效果。
3
If not careful, let it have a smoke, water stains, don't worry, must not be ignored without tube, can use a neutral detergent, use towel to wipe.