电网调峰背景下汽轮机低压缸零出力技术现状综述
左启尧, 唐震, 李慧勇, 张颖, 王江峰

Overview on the Current Situation of Steam Turbine Low-Pressure Cylinder Zero-Output Technology Under Background of Power Grid Peak Regulation
Qiyao ZUO, Zhen TANG, Huiyong LI, Ying ZHANG, Jiangfeng WANG
表1 某350 MW机组不同工况下定供热负荷调峰参数对比
Tab. 1 Comparison of constant heat supply in accordance with peak regulation parameters of a 350 MW unit under different working conditions
参数锅炉最小 出力工况锅炉额定 出力工况低压缸 零出力工况
发电功率/MW200.32248.77110.81
电负荷出力系数/%57.271.131.7
主蒸汽流量/(t/h)885.71053.0579.0
锅炉出力系数/%84.1100.055.0
主蒸汽压力/MPa14.7416.6710.04
主蒸汽温度/℃538.0538.0532.6
再热热段蒸汽流量/(t/h)737.75863.61492.95
再热热段蒸汽压力/MPa2.803.261.85
再热热段蒸汽温度/℃538.0538.0511.6
低压缸排汽流量/(t/h)180.50261.8920.00
供热量/MW288.0288.0288.0