电站大型引风机油站及冷却系统改造

分析了盘山发电公司大型引风机油站冷却系统效果差、油站控制方式切换以及油泵自动切换中存在的问题。通过在冷却水系统中加装排污门和反冲洗门以进行定期排污、反冲洗,以及在润滑油站增加冷却器等改造,消除了油站冷却效果差,油温高的隐患。在引风机油站电气控制二次回路中增加油泵手动切换按钮,实现了油泵的在线手动切换,解决了自动切换带来的安全问题。

Retrofit of Oil Station and Cooling System of Large Size Induced Draft Fans in Panshan Power Plant

The paper analyzed the poor effect of oil station cooling system and the problems existing in the switchover of oil station control mode and automatic switchover of oil pumps of large size induced draft fans(IDF)in Panshan Power Generation Cornpany. In the cooling water system, to newly install the blowdown valve and back washing valve; launch regular blowdown and back washing, and in the lubrication oi1 station to newly install the cooler, after these measures were implemented, the poor cooling effect of oil station and high oil temperature hidden perils were solved. In the retrofit of electric control secondary circuit of IDF oil station, to newly install the manually operated switchower push-button of oil pump, the on-line manul switchover of oil pump was realized,thus the safety problem in the automatic switchover was solved.