ｌ概述 东海拉尔发电厂 ２ × ２５ＭＷ中压凝汽式机组，选配的除氧器为北京锅炉厂８０年代产品，型号为ＰＹＳ—１４０型喷雾淋水盘式大气式除氧器，补水方式为直接补入除氧器，补水系统设计为除盐水和疏水（含热网疏水）两路 φ８９ｍｍ管道汇集到一个Ｄｇ５０ｍｍ的调节阀后 l Overview 2 × 25MW medium-pressure condensing unit in Donghai Lal Power Plant, the optional deaerator is the product of the 1980’s in Beijing Boiler Works, model PYS-140 Spray Pan Disc Deaerator, the water replenishment method is Directly into the deaerator, replenishment system designed for desalination and hydrophobic (including hot water repellent) two φ89mm pipe together to a Dg50mm control valve