百万等级锅炉调试过程中典型问题分析及措施

Typical Problems in Megawatt Boiler Debugging and Their Countermeasures

1 000 MW机组是当前国内单机容量最大、技术含量最高的机组,及时开展相应的调试技术研究,对于该等级机组的高效利用具有积极意义。通过多台百万等级锅炉调试经验积累,针对过程中发现的水冷壁泄漏、大比热容、新型点火方式等10个典型问题从设计、安装、调试等多方面入手进行了深入的原因分析,并提出了切实可行的解决方案,以期为同类型锅炉的应用提供一定的可行性借鉴,避免类似问题的发生,进而提高百万等级电站锅炉的调试技术水平。

Currently 1 000 MW unit has the largest capacity and demands the latest technology so far in China,so it is significant to conduct timely corresponding debugging technology research for the efficient utilization of the unit.Based on the debugging experience in multiple megawatt boilers,this paper lists ten typical problems,such as water cooling wall leakage,large specific heat capacity,new ignition method,makes in-depth analysis in terms of design,installation,debugging and so on,and puts forward the feasible solutions.This research aims to provide the feasible reference to the application of the same type of boilers,avoid similar problems,and improve the debugging technique for the megawatt boilers in power plants.