火电机组脱硫超低排放运行能耗分析与节能运行展望
摘要：完成超低排放改造后，脱硫系统运行能耗大幅增加，脱硫厂用电率平均值为1.40%，折合供电煤耗约为4.4 g/（kW·h）。随着火电企业经营压力加重，超低排放运行时必须同时兼顾节能和减排双重目标。基于此，选取了33台不同工艺（单塔、双塔）的600 MW级机组作为研究对象，从脱硫厂用电率和单位脱硫能耗2方面分析了运行能耗情况，并重点分析了能耗影响因素。最后，从开展能效对标管理、脱硫系统运行优化、关键设备节能改造、浆液品质把控、精细化检修、合理使用脱硫添加剂等角度，对脱硫运行节能进行了展望。
Abstract:Operation energy consumption of flue gas desulfurization (FGD) increases greatly after finishing ultra-low emission retrofit, the average power consumption rate is 1.40%, which is equivalent to power supply coal consumption of about 4.4 g/(kW·h). With the increase of thermal power plants' operation pressure, ultra-low emission operation should consider both energy saving and pollution reducing. Taking 33 600 MW-level units using single-tower or double-tower FGD process as the research object, operation energy consumption was analyzed considering both power consumption rate and power consumption per unit of FGD. Meanwhile, the influencing factors of operation energy consumption were emphatically analyzed. Finally, outlook on operation energy saving work of FGD was proposed, considering measures including energy efficiency benchmarking management, operational optimization of FGD, energy-saving retrofit of key devices, quality control of slurry, detailed maintenance work and rational use of desulfurization additives.
标题：火电机组脱硫超低排放运行能耗分析与节能运行展望
title:Energy Consumption Analysis of Desulphurization Ultra-low Emission Operation and Outlook on Its Energy-saving Operation in Thermal Power Plants
作者：邱国华,魏宏鸽,梁秀进,李壮,王丰吉,朱跃
authors:Guohua QIU,Hongge WEI,Xiujin LIANG,Zhuang LI,Fengji WANG,Yue ZHU
关键词：脱硫厂用电率,单位脱硫能耗,能效对标,运行优化,
keywords:power consumption rate of flue gas desulfurization (FGD),power consumption per unit,energy efficiency benchmarking,operational optimization,
发表日期：2020-10-30
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