国产600MW汽轮机配汽方式优化改造

哈尔滨第三发电厂4#机组为哈尔滨汽轮机厂生产的600MW汽轮机，该机组在多阀调节(喷嘴调节)变负荷运行中，发现机组2#瓦的瓦温明显升高，振动也明显增大，严重影响机组的安全运行。因此我厂与哈尔滨工业大学合作对4#机配汽方式进行了改造，本文分析了故障的原因，介绍了配汽改造的方案，经不同的方案下的机组运行参数比较分析，采用新的顺序阀方案后，能够在保证安全性的基础上，降低了煤耗量，极大的提高了机组运行的经济性。

Optimum Governing of 600MW Turbine

The unit 4 of Harbin third power plant, which is a 600 MW turbine generator made by Harbin Turbine Company. When operating at part load and applying the multi-valve governing, the temperature of 2# bearing is too high, and the vibration of the bearing is severe. This paper discussed the reason that cause the bearing temperature rose while working part load and a new multi-valve governing strategy was proposed. The results of field test show that the new multi-valve scheme can decrease the temperature and vibration of 2# bearing. The fuel consumption can also decrease, while maintain the safety.