| 1. | Analysis on reason of waterwall tube weld leakage of supercritical boiler
超临界锅炉水冷壁管焊缝泄漏原因的分析 |
| 2. | Experimental study on frictional flow resistance in water wall tubes of a 600 mw supercritical once - through boiler
直流锅炉水冷壁管阻力特性的试验研究 |
| 3. | Experiments and applications of pulse submerge arc welding technique in jointing membrane water - walls
脉冲埋弧焊技术在膜式水冷壁管屏拼接中的试验及应用 |
| 4. | However , researching of the high temperature corrosion is limited in engineering now , only judged by the corrosion products of the water wall tubes , more in - depth researching is lack about the corrosion mechanism and the course of reaction
但是，目前人们对高温腐蚀的研究局限于工程实践的研究，只能根据水冷壁管的腐蚀产物来作出判断，而对其腐蚀机理以及反应过程缺乏进一步深入的研究。 |
| 5. | The water wall tubes were leaked by the high temperature corrosions , which put the boiler units shut down and made the safety and economy operation of the power plants effected severely , which also made the safety generation and dispatch of the all power network effected severely
锅炉水冷壁高温腐蚀造成水冷壁管爆漏，迫使锅炉停机，严重影响了电厂运行的安全性和经济性，对整个电网的安全生产和调度也造成了严重的后果。 |
| 6. | In the industry of thermal power plants , boiler tubes , especially water wall tubes in enginery of over 300mw , water wall tubes are easily corroded in high temperature and wore by dust when the coal with high content sulphur is used , which made water wall tubes become thin and burst
在火力发电行业中，燃煤锅炉管特别是300mw及以上机组的水冷壁管在燃用高硫含量煤时，易受到严重的高温腐蚀和飞灰的磨损，使管壁减薄导致爆管事故。 |
| 7. | The coatings deposited with a new subsonic flame spraying possess high bonding strength , low porosity and is low costly , at the same time , it is applied to the worksite of boiler tubes specially . the coatings applied to water wall tubes were deposited by subsonic flame spraying in this study
本课题采用了一种新型亚音速火焰喷涂技术制备锅炉水冷壁管道涂层，其涂层不仅结合强度高、孔隙率较低，而且涂层制备的成本低，特别适用于锅炉水冷壁管的现场喷涂。 |
| 8. | Increscent weight of oxidation , graphic and micrographic were explored , meanwhile , the mechanism of anti - erosion and wear - resistant of new coating material are also studied . at last , a program applied to calculate the temperature distribution and heat transmission between water wall tubes with sprayed coatings and metal anti - erosion tile was developed by use of visual basic
文中最后采用vb6语言计算机编程，计算了不同材料涂层对锅炉水冷壁管的传热效果及径向温度梯度的影响，同时与加装了防护瓦和未加任何防护的水冷壁管进行了比较。 |
| 9. | With thermal spray technology , the surface of water wall tubes is easily covered by varied high performance coatings . in this paper , several new alloy and cermet coatings applied to water wall tubes were designed and their performance was studied according to the research item of hanchuan power station of hubei province " the study and development on the corrosion - resistant and wear - resistant coatings of water wall tubes in boiler "
采用热喷涂技术可以方便地在锅炉管道表面获得各种高性能的防腐耐磨涂层。本文结合湖北省汉川电厂的研究项目“锅炉水冷壁管防腐耐磨涂层的开发研究”进行水冷壁管新型合金和金属陶瓷复合涂层的设计和性能研究。 |
| 10. | Superheater , reheater and economizer are the main component of the heat exchangers in boiler . whether they run safely and stably or not is directly count for much the safe of the whole plant operation . and the frequent tube leakage of heat surface impact upon the economy benefits and the society benefits of the power plant
水冷壁管、过热器管、再热器管、省煤器管( “四管” )是锅炉内部的主要受热面结构件，它们是否安全稳定的运行直接关系到整个电厂的安危，频繁爆漏事故影响了电厂的经济效益和社会效益。 |
