电力系统调峰对火电厂脱硫系统水平衡影响的研究
|
摘要
在增大电力系统深度调峰过程中,为测试火力发电厂脱硫系统稳定性,对某电厂调峰前后脱硫系统进行水平衡测试,并对调峰后系统补水、各个工艺水用水以及系统水耗进行研究,对其影响因素进行分析。结果表明,电力深度调峰,机组负荷降低,使脱硫工艺水补水减少,转机冷却水以及滤布冲洗水水量变化较小;制浆用水及除雾器冲洗水量降低明显;脱硫系统蒸发损失占脱硫水耗的90%以上,石膏携带以及脱硫废水损失对系统总水耗影响不大。
During the progress of increasing the peak-load regulation of the power system, in order to test the stability desulfurization system in a power plant,the water balance test of the desulfurization system is carried out before and after the peaking of a power plant.The water supply of the system, the water of each process water and the water consumption of the system are analyzed after peaking, which are researched and analyzed its influencing factors.The results show that the power peak regulation and the unit load reducing make the water supply of the desulfurization process reducing, and there is a small change in water volume of cooling water of the rotating machinery and the flushing water of the filter cloth.Mist eliminator flushing water volume is significantly reduced. The evaporation loss of the desulfurization system accounts for more than 90% of the desulfurization water consumption. The loss of gypsum carrying and wastewater has little effect on the total water consumption of the system.
During the progress of increasing the peak-load regulation of the power system, in order to test the stability desulfurization system in a power plant,the water balance test of the desulfurization system is carried out before and after the peaking of a power plant.The water supply of the system, the water of each process water and the water consumption of the system are analyzed after peaking, which are researched and analyzed its influencing factors.The results show that the power peak regulation and the unit load reducing make the water supply of the desulfurization process reducing, and there is a small change in water volume of cooling water of the rotating machinery and the flushing water of the filter cloth.Mist eliminator flushing water volume is significantly reduced. The evaporation loss of the desulfurization system accounts for more than 90% of the desulfurization water consumption. The loss of gypsum carrying and wastewater has little effect on the total water consumption of the system.
引文
[1] 姚凯,李良,侯忠明,等.常用除雾技术现状及发展趋势[J].机电产品开发与创新,2008,21(3):34-35,38.
[2] 吴其荣,喻江涛,周川雄,等.燃煤电厂除雾器技术的应用与发展趋势分析[J].四川环境,2018,37(5):125-130.
[3] 魏新,宁翔,茹宇,等.发电厂脱硫系统串联塔的水平衡及液位控制[J].浙江电力,2018,37(3):77-81.
[4] 尹连庆,李伟娜,郭静娟.燃煤电厂湿法烟气脱硫系统的水平衡分析[J].工业安全与环保,2011,37(1):21-23.
[5] 张静,张育婵,丁朋果.湿法烟气脱硫机理与效率分析[J].能源与环境,2010(1):68-69.
[6] 周臣,谭文轶.脱硫废水水量计算及烟道处理技术[J].热力发电,2009,38(3):85-87.
[7] 王振军,孟月,陈永辉,等.脱硫废水处理系统优化运行研究[J].东北电力技术,2018,39(4):31-33.
[8] 李长宽.燃煤电厂节水技术探讨[J].东北电力技术,2018,39(6):23-25.
[9] 王永辉,张立颖.湿法脱硫系统潜在问题分析及对策[J].东北电力技术,2018,39(1):59-60,62.
[10] 张伟,陈民,邢浩,等.脱硫超低排放技术改造及经济性分析[J].东北电力技术,2017,38(3):28-31.
[11] 熊巍,孙园园.燃煤电厂脱硫废水处理工艺路线探讨[J].东北电力技术,2017,38(3):35-38.
[2] 吴其荣,喻江涛,周川雄,等.燃煤电厂除雾器技术的应用与发展趋势分析[J].四川环境,2018,37(5):125-130.
[3] 魏新,宁翔,茹宇,等.发电厂脱硫系统串联塔的水平衡及液位控制[J].浙江电力,2018,37(3):77-81.
[4] 尹连庆,李伟娜,郭静娟.燃煤电厂湿法烟气脱硫系统的水平衡分析[J].工业安全与环保,2011,37(1):21-23.
[5] 张静,张育婵,丁朋果.湿法烟气脱硫机理与效率分析[J].能源与环境,2010(1):68-69.
[6] 周臣,谭文轶.脱硫废水水量计算及烟道处理技术[J].热力发电,2009,38(3):85-87.
[7] 王振军,孟月,陈永辉,等.脱硫废水处理系统优化运行研究[J].东北电力技术,2018,39(4):31-33.
[8] 李长宽.燃煤电厂节水技术探讨[J].东北电力技术,2018,39(6):23-25.
[9] 王永辉,张立颖.湿法脱硫系统潜在问题分析及对策[J].东北电力技术,2018,39(1):59-60,62.
[10] 张伟,陈民,邢浩,等.脱硫超低排放技术改造及经济性分析[J].东北电力技术,2017,38(3):28-31.
[11] 熊巍,孙园园.燃煤电厂脱硫废水处理工艺路线探讨[J].东北电力技术,2017,38(3):35-38.