排污回收 meaning in English

blowdown return

This paper studies the structure optimization of 300mw unit thermodynamics system , including the drain - back system , the vacuum extractor system , the cooling spray system , the recovered system of the blow down water , and the accessory steam system
本文从结构上对300mw级火电机组热力系统进行了优化研究，主要包括：回热系统、真空抽气系统、给水喷水减温系统、排污回收利用系统以及辅助蒸汽系统。
Based on the conclusions that have been admitted , the paper improves the drain - back system optimization theory , studies the different vacuum extractor system , builds a optimum model of the cooling spray system , optimizes the recovered system of the blow down water with a new structure , converts the accessory steam system and proves it in theory
本文在总结已有研究的成果的基础上，完善了回热系统结构优化的理论，研究了不同真空抽气系统的优劣，建立了喷水减温系统的优化模型，引入新的结构对排污回收利用系统进行优化，改造了辅助蒸汽系统并从理论上进行证明。