基于烟气CO测量及MINITAB统计分析的燃烧优化研究--控制网


基于烟气CO测量及MINITAB统计分析的燃烧优化研究
企业: 日期:2019-08-24
领域: 点击数:97

作者:蒋惠义(华润电力(沧州运东)有限公司,河北 沧州 061000)

余雄伟,许明阳,梁新(华润电力(贺州)有限公司,广西 贺州 542709)

摘要:通过对烟气中CO含量长期跟踪监测,研究CO排放量的变化对发电煤耗的影响,并将CO含量的变化引入氧量控制逻辑,对锅炉燃烧送风控制系统进行优化,以实现高负荷时增加送风确保送入炉膛的燃料完全燃烧;低负荷时减少送风降低送、引风机电耗的目的,有利于降低机组的发、供电煤耗。

关键词:CO;燃烧优化

Abstract: Through the long-term follow-up monitoring of CO content in flue gas, the impact of changes in CO emission on coal consumption of power generation was studied. The boiler combustion air supply control system is optimized by considering the change of the CO content in the oxygen amount control.When the load is high, the air supply is increased to ensure that the fuel sent to the furnace is completely burned; when the load is low, the air supply is reduced to reduce the power consumption of the feed and the draft fan. This will help reduce the coal consumption of the unit's power generator and the power supply.

Key words: CO;Combustion optimization

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摘自《自动化博览》2019年8月刊

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