燃煤电厂脱硫废水预处理装置设计与中试研究

doi:10.11930/j.issn.1004-9649.201708200

中国电力 ›› 2018, Vol. 51 ›› Issue (6): 166-171.DOI: 10.11930/j.issn.1004-9649.201708200

燃煤电厂脱硫废水预处理装置设计与中试研究

连坤宙¹, 胡特立¹, 王永前², 焦绪常², 王璟¹, 曹红梅³, 毛进¹, 樊开远¹

1. 西安热工研究院有限公司, 陕西西安 710054;
2. 华能济宁运河发电有限公司, 山东济宁 272057;
3. 华能山东发电有限公司, 山东济南 250014

收稿日期:2017-09-12 修回日期:2018-02-05 出版日期:2018-06-05 发布日期:2018-06-12
作者简介:连坤宙(1986-),男,工程师,从事电厂水处理技术研究,E-mail:liankunzhou@tpri.com.cn;胡特立(1977-),男,工程师,从事电厂水处理设备电气自动化设计工作,E-mail:huteli@tpri.com.cn
基金资助:
华能山东发电有限公司科技项目（TL-CA-128-2016A）。

Pretreatment Device Design and Pilot Application of Desulfurization Wastewater in Coal-Fired Power Plants

LIAN Kunzhou¹, HU Teli¹, WANG Yongqian², JIAO Xuchang², WANG Jing¹, CAO Hongmei³, MAO Jin¹, FAN Kaiyuan¹

1. Xi'an Thermal Power Research Institute Co., Ltd., Xi'an 710054, China;
2. Jining Yunhe Power Generation Ltd., Huaneng Group, Jining 272057, China;
3. Huaneng Shandong Power Generation Co., Ltd., Jinan 250014, China

Received:2017-09-12 Revised:2018-02-05 Online:2018-06-05 Published:2018-06-12
Supported by:
This work is supported by Science and Technology Project of Huaneng Shandong Power Generation Co., Ltd. (No.TL-CA-128-2016A).

摘要/Abstract

摘要： 针对火电厂脱硫废水的水质特点，提出“一体式软化澄清-超滤”预处理工艺并在山东某火力发电厂进行了中试研究，研究内容包括一体式软化澄清装置对Ca²⁺、Mg²⁺、浊度去除效果，超滤系统运行压力、产水流量、产水浊度及预处理工艺化学药剂费用等。结果表明：利用一体式软化澄清装置处理脱硫废水，出水Ca²⁺、Mg²⁺质量浓度可分别由400~660 mg/L和5 310~15 689 mg/L降至25 mg/L和10 mg/L，浊度小于或等于2.0 NTU；超滤系统运行稳定，产水浊度小于或等于0.1 NTU，SDI值小于3.0，可稳定达到后续反渗透系统进水水质要求。该一体式软化澄清-超滤预处理工艺中试研究成果可为火电厂废水零排放技术研究提供重要的基础数据。

关键词: 火电厂, 脱硫废水, 预处理, 一体式软化澄清, 超滤, 废水零排放

Abstract: According to the characteristics of desulfurization wastewater in the coal-fired power plant, the desulfurization wastewater pretreatment method of the integrated softening and clarifying-ultrafiltration is proposed in this paper. The pilot project testing is completed in a coal-fired power plant in Shandong province. The study includes the removal efficiency of integrated softening and clarifying on Ca²⁺, Mg²⁺ and the turbidity, the operating pressure of the ultrafiltration system, the flow and turbidity of the product water, and the chemical cost of the pretreatment process. The results show that the content of Ca²⁺ decreases from 400~660 mg/L to 25 mg/L and the content of Mg²⁺ decreases from 5 310~15 689 mg/L to 10 mg/L after the treatment of desulphurization wastewater by integrated softening and clarifying-ultrafiltration, respectively, with the turbidity being no more than 2.0 NTU. The ultrafiltration system operates stably and the turbidity of product water is no more than 0.1 NTU, SDI value is less than 3.0, which can meet the required water quality conditions of the reverse osmosis system. The study results of the integrated softening and clarifying-ultrafiltration can provided important data for the research on the zero wastewater discharge technology in the power plant.

Key words: power plant, desulphurization wastewater, pretreatment, integrated softening and clarifying, ultrafiltration, zero discharge of wastewater

中图分类号:

TM621.8
X77

连坤宙, 胡特立, 王永前, 焦绪常, 王璟, 曹红梅, 毛进, 樊开远. 燃煤电厂脱硫废水预处理装置设计与中试研究[J]. 中国电力, 2018, 51(6): 166-171.

LIAN Kunzhou, HU Teli, WANG Yongqian, JIAO Xuchang, WANG Jing, CAO Hongmei, MAO Jin, FAN Kaiyuan. Pretreatment Device Design and Pilot Application of Desulfurization Wastewater in Coal-Fired Power Plants[J]. Electric Power, 2018, 51(6): 166-171.

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https://www.electricpower.com.cn/CN/Y2018/V51/I6/166

参考文献

[1] 沈荣澍, 代厚兵, 杨韦.脱硫废水常规处理及零排放技术综述[J]. 锅炉制造, 2013(2):44-47.SHEN Rongshu, DAI Houbing, YANG Wei. Desulphurization wastewater treatment and zero discharge technology[J]. Boiler Manufacturing, 2013(2):44-47.
[2] 叶春松, 罗珊, 张弦, 等. 燃煤电厂脱硫废水零排放处理工艺[J]. 热力发电, 2016, 45(9):105-108.YE Chunsong, LUO Shan, ZHANG Xian, et al. Key problems and developing trend of zero of discharge technology of desulfurization waste water[J]. Thermal Power Generation, 2016, 45(9):105-108.
[3] 晋银佳, 王帅, 姬海宏, 等. 深度过滤–烟道蒸发处理脱硫废水的数值模拟[J]. 中国电力, 2016, 49(12):174-179.JIN Yinjia, WANG Shuai, JI Haihong, et al. Numerical simulation of desulfurization wastewater treatment with in-depth filtration-flue evaporation process[J]. Electric Power, 2016, 49(12):174-179.
[4] HUANG Y H, PEDDI P K, TANG C, et al. Hybrid zero-valent iron process for removing heavy metals and nitrate from flue-gas-desulfurization wastewater[J]. Separation and Purification Technology, 2013, 118(30):690-698.
[5] 庞胜林, 陈戎, 毛进, 等. 火电厂石灰石–石膏湿法脱硫废水分离处理[J]. 热力发电, 2016, 45(9):128-133.PANG Shenglin, CHEN Rong, MAO Jin, et al. Separation treatment process for limestone-gypsum wet FGD wastewater from coal-fired power plants[J]. Thermal Power Generation, 2016, 45(9):128-133.
[6] 吴怡卫. 石灰石–石膏湿法烟气脱硫废水处理的研究[J]. 中国电力, 2006, 39(4):75-78.WU Yiwei. Study on the wastewater treatment in limestone-gypsum wet FGD process[J]. Electric Power, 2006, 39(4):75-78.
[7] 禾志强, 祁利明. 火力发电厂烟气脱硫废水处理工艺[J]. 水处理技术, 2010, 36(3):133-135.HE Zhiqiang, QI Liming. Wastewater treatment process of flue gas desulfurization in the power plant[J]. Technology of Water Treatment, 2010, 36(3):133-135.
[8] 李泊娇, 王旭东, 张占梅, 等. 石灰石–石膏湿法脱硫废水的处理及利用研究[J]. 电力科技与环保, 2014, 30(2):29-31.LI Bojiao, WANG Xudong, ZHANG Zhanmei, et al. Treatment and utilization of waste water from limestone-gyspum wet flue gas desulfurization[J]. Electric Power Technology and Environmental Protection, 2014, 30(2):29-31.
[9] 聂鹏飞. 600 MW机组湿法脱硫废水处理系统的优化改造[J]. 热力发电, 2011, 40(10):62-65, 9.NIE Pengfei. Optimized retrofit of wastewater treatment system in wet desulphurization of 600MW unit[J]. Thermal Power Generation, 2011, 40(10):62-65, 9.
[10] 马双忱, 于伟静, 贾绍广, 等. 燃煤电厂脱硫废水处理技术研究与应用进展[J]. 化工进展, 2016, 35(1):255-262.MA Shuangchen, YU Weijing, JIA Shaoguang, et al. Research and application progresses of flue gas desulfurization (FGD) wastewater treatment technologies in coal-fired plants[J]. Chemical Industry and Engineering Progress, 2016, 35(1):255-262.
[11] 王治安, 林卫, 李冰. 脱硫废水零排放处理工艺[J]. 电力科技与环保, 2012, 28(6):37-38.WANG Zhian, LIN Wei, LI Bing. Discussion on process of desulfurization waste water's zero-draining disposal[J]. Electric Power Technology and Environmental Protection, 2012, 28(6):37-38.
[12] 吴优福, 刘捷, 海玉琰, 等. 超超临界1000 MW机组脱硫废水零排放技术[J]. 热力发电, 2017, 46(5):108-114.WU Youfu, LIU Jie, HAI Yuyan, et al. Discussions on zero-discharge technology of desulfurization wastewater for ultra supercritical units[J]. Thermal Power Generation, 2017, 46(5):108-144.
[13] 刘秋生. 烟气脱硫废水"零排放"技术应用[J]. 热力发电, 2014, 43(12):114-117.LIU Qiusheng. Application and comparison of zero discharge' technology for desulfurization waste water[J]. Thermal Power Generation, 2014, 43(12):114-117.
[14] 龙国庆. 燃煤电厂湿法脱硫废水蒸发结晶处理工艺的选择[J]. 中国给水排水, 2013, 29(24):5-8.LONG Guoqing. Selection of evaporation crystallization treatment process of wastewater from wet FGD in coal-fired power plant[J]. China Water & Wastewater, 2013, 29(24):5-8.
[15] 张江涛, 曹红梅, 董娟, 等. 火电厂废水零排放技术路线比较及影响因素分析[J]. 中国电力, 2017, 50(6):120-124.ZHANG Jiangtao, CAO Hongmei, DONG Juan, et al. Comparison on the technical routes of zero liquid discharge of fossil-fired power plants and analysis on the influencing factors[J]. Electric Power, 2017, 50(6):120-124.
[16] 王璟, 王正江, 杨宝红, 等. 燃煤电厂末端废水固化预处理工艺试验研究[J]. 热力发电, 2010, 39(10):55-59.WANG Jing, WANG Zhengjiang, YANG Baohong, et al. Test study on solidification pretreatment technology of terminal waste-water form coal-fired power plants[J]. Thermal Power Generation, 2010, 39(10):55-59.
[17] 刘亚鹏, 王金磊, 陈景硕, 等. 火电厂脱硫废水预处理工艺优化及管式微滤膜实验研究[J]. 中国电力, 2016, 49(2):153-158.LIU Yapeng, WANG Jinlei, CHEN Jingshuo, et al. Optimization of FGD wastewater pretreatment technique for thermal power plant and test studies on tubular crossflow microfiltration process[J]. Electric Power, 2016, 49(2):153-158.
[18] 王可辉, 蒋芬, 徐志清, 等. TMF+DTRO工艺深度处理脱硫废水中试试验研究[J]. 电力科技与环保, 2017, 33(3):15-17.WANG Kehui, JIANG Fen, XU Zhiqing, et al. Experimental study on TMF + DTRO advanced treatment of desulphurization wastewater from coal-fired power plant[J]. Technology of Water Treatment, 2017, 33(3):119-124.
[19] 钱感, 关洪银. 燃煤电厂脱硫废水综合处理工艺[J]. 水处理技术, 2017, 43(2):136-138.QIAN Gan, GUAN Hongyin. Treatment technology of desulfurization wastewater in coal-fired power plant[J]. Technology of Water Treatment, 2017, 43(2):136-138.

燃煤电厂脱硫废水预处理装置设计与中试研究

Pretreatment Device Design and Pilot Application of Desulfurization Wastewater in Coal-Fired Power Plants

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燃煤电厂脱硫废水预处理装置设计与中试研究

Pretreatment Device Design and Pilot Application of Desulfurization Wastewater in Coal-Fired Power Plants

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