阅读说明：本技术 一种600mw超临界机组旁路系统及其旁路温度控制方法 (600MW supercritical unit bypass system and bypass temperature control method thereof ) 是由 王孟 赵亚仙 王戟 林晨 杨仲伟 张影 于 2021-07-29 设计创作，主要内容包括：本发明涉及一种旁路系统,尤其是一种600MW超临界机组旁路系统及其旁路温度控制方法,属于超临界机组高压旁路温度控制技术领域。包括减温水L2管道、过热蒸汽L1管道、L4管道和L3管道,所述的减温水L2管道与L3管道间、过热蒸汽L1管道与L3管道间通过减温减压器相连通,所述的过热蒸汽L1管道与减温减压器间设有汽轮机,所述的L3管道的尾端连接有锅炉再热器。高压旁路蒸汽温度控制系统能自动适应任意负荷下的甩负荷工况,避免温度急剧变化造成的机组参数急剧变化,满足甩负荷及FCB工况要求,并且安全性高,可靠性好,结构简单。(The invention relates to a bypass system, in particular to a 600MW supercritical unit bypass system and a bypass temperature control method thereof, and belongs to the technical field of supercritical unit high-pressure bypass temperature control. The system comprises a desuperheating water L2 pipeline, a superheated steam L1 pipeline, an L4 pipeline and an L3 pipeline, wherein the desuperheating water L2 pipeline and the L3 pipeline and the superheated steam L1 pipeline and the L3 pipeline are communicated through a desuperheating pressure reducer, a steam turbine is arranged between the superheated steam L1 pipeline and the desuperheating pressure reducer, and the tail end of the L3 pipeline is connected with a boiler reheater. The high-pressure bypass steam temperature control system can automatically adapt to the load shedding working condition under any load, avoids the rapid change of unit parameters caused by the rapid change of temperature, meets the requirements of the load shedding and the FCB working condition, and has high safety, good reliability and simple structure.)