耗差分析法在超临界压力直流锅炉能耗分析中的应用

华电技术 ›› 2020, Vol. 42 ›› Issue (1): 58-62.

耗差分析法在超临界压力直流锅炉能耗分析中的应用

1.河南能信热电有限公司，河南许昌〓461000； 2.中国大唐集团科学技术研究院有限公司华中电力试验研究院，郑州〓450000； 3.国家电投集团郑州燃气发电有限公司，郑州〓450001

出版日期:2020-01-25

Application of fuel consumption difference analysis method in a supercritical pressure oncethrough boiler

1.Henan Nengxin Thermal Power Company Limited, Xuchang 461000, China；2.CentralChina Electric Power Test Research Institute, China Datang Corporation Science and Technology Research Institute Company Limited, Zhengzhou 450000, China；3.State Power Investment Group Zhengzhou Gas Power Generation Company Limited, Zhengzhou 450001, China

Published:2020-01-25

摘要/Abstract

摘要： 为研究锅炉侧大、小节能指标对直流锅炉能耗的影响，以某超临界压力直流锅炉为例，针对锅炉侧耗差影响变量，在100%，75%，50%负荷率下对机组进行锅炉侧考核试验，并根据考核试验数据进行耗差分析计算，得出机组运行中排烟氧量、排烟温度、飞灰含碳量、炉渣含碳量、锅炉效率及厂用电率的变化对供电煤耗的影响。通过能耗分布的数据监测，分析各项耗差指标对锅炉侧煤耗影响的比重，可为超临界机组运行指标考核及性能监测提供参考。

关键词: 超临界, 直流锅炉, 供电煤耗, 耗差分析, 厂用电率, 飞灰含碳量

Abstract: In order to study the influence of boilerside large and small energysaving indicators on the fuel consumption of oncethrough boilers, analysis was made on a supercritical pressure oncethrough boiler. Boilerside performance tests on variables affecting fuelconsumption were made under 100%, 75%，and 50% load ratios, and the test results were used to calculate and analyze the consumption difference. It was confirmed that oxygen in discharged gas, exhaust gas temperature, unburned combustible in fly ash and slag,boiler efficiency and service power rate of power plant would affect the fuel consumption for powersupply. Through the data tracing on fuel consumption distribution, the impact of each consumption indicator on the fuel consumption on boiler side was analyzed, which could provide a reference for power plants in evaluating operation indexes and inspecting performance of supercritical units.

Key words: supercritical, oncethrough boiler, fuel consumption for powersupply, consumption difference analysis, service power rate of power plant, unburned combustible in fly ash

王志永1，许贺2，朱慧敏3，葛俊沛1，许静1. 耗差分析法在超临界压力直流锅炉能耗分析中的应用[J]. 华电技术, 2020, 42(1): 58-62.

WANG Zhiyong1，XU He2，ZHU Huimin3，GE Junpei1，XU Jing1. Application of fuel consumption difference analysis method in a supercritical pressure oncethrough boiler[J]. Huadian Technology, 2020, 42(1): 58-62.

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