焦点提醒：残剩污泥低温干化热源首选污水厂出水余温热能 作者:郝晓地， 申展， 李季， 李爽（北京建筑年夜学城市雨水系统与水情况教育部重点尝试室 中-荷将来污水处置手艺研发中间，北京 100044）

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• English上一篇下一篇PDF下载[1]郝晓地,申展,李季,等.残剩污泥低温干化热源首选污水厂出水余温热能[J].中国给水排水,2023,39(6):1-8.　HAOXiao-di,SHENZhan,LIJi,et al.Low?temperature Sludge Drying: Priority to Thermal Energy in Effluent[J].China Water & Wastewater,2023,39(6):1-8.点击复制

  残剩污泥低温干化热源首选污水厂出水余温热能中国给水排水[ISSN:1000-4062/CN:12-1073/TU]卷:第39卷期数:2023年第6期页码:1-8栏目:出书日期:2023-03-17

  Title:

  Low?temperature Sludge Drying: Priority to Thermal Energy in Effluent

  作者:

  郝晓地， 申展， 李季， 李爽

  （北京建筑年夜学城市雨水系统与水情况教育部重点尝试室 中-荷将来污水处置手艺研发中间，北京 100044）

  Author(s):

  HAO　Xiao-di， SHEN　Zhan， LI　Ji， LI　Shuang

  （Sino-Dutch R & D Centre for Future Wastewater Treatment Technologies， Key Laboratory of Urban Stormwater System and Water Environment < Ministry of Education >， Beijing University of Civil Engineering and Architecture， Beijing 100044， China）

  要害词:

  残剩污泥;含水率;低温干化;污泥燃烧;余温热能;水源热泵

  Keywords:

  excess sludge;moisture content;low-temperature drying;sludge incineration;thermal energy;water source heat pump

  摘要:

  污水处置残剩污泥干化燃烧已被确认为污泥处置、措置的最终手段，也是正在实践中的项目利用趋向。可是，干化热源选择对能源耗损特殊是与之响应的碳排放相当主要。除非有高温余热能够操纵，不然，高温干化不具可延续性。在此景象下，污泥低温干化已成为最近几年来国表里遍及存眷的热门，特殊是基在洁净能源的低温干化手艺。为此，太阳能、微波源、空气源、地热源、污水源等低温干化手艺遭到普遍存眷。相形之下，污水处置厂的出水余温热能则是一种易得而又未获得正视的低档次能源。匡算注解，水源热泵互换4 ℃温差所发生的热能（~60 ℃热水）即是污泥低温干化所需能量的3倍之多，不但能够完全知足干化需求，并且还可助力污水处置厂实现碳中和运转。是以，污水厂出水余温热能分离式干化、集中式燃烧电热转化应当成为此后污泥干化燃烧的方针与标的目的。

  Abstract:

  Sludge drying and incineration have been identified as an ultimate approach to treating and disposing excess sludge from wastewater treatment, which is also a technical trend in practice. However, choosing heat sources is a decisive factor on energy consumption and associated carbon emissions. Except for economically available high-temperature source, high-temperature sludge drying is unsustainable. Under the circumstance, low-temperature sludge drying has been become a research topic recently, especially with cleaner energy. In fact, renewable heat sources, such as solar energy, microwave energy, air-source heat, geothermal heat, and wastewater source heat, are gaining more and more attentions to. Among them, thermal energy extracted from effluent in wastewater treatment plants (WWTPs) is a kind of low-grade heat, which has been easily available but neglected chronically. The previous calculated results reveal that heat exchanged from effluent with 4 ℃ could offer 3 times higher thermal energy (about 60 ℃ hot water) needed of sludge drying, which could not only meet the need of drying energy but also achieve carbon-neutral operations of WWTPs. Thus, decentralized low-temperature sludge drying with thermal energy and centralized sludge incineration for combined heat and power (CHP) would become a developing goal for sludge treatment and disposal.

  类似文献/References:

  [1]徐志嫱,李瑶,周爱朝,等.污泥热水解进程中磷的释放纪律与影响身分[J].中国给水排水,2018,34(21):24.XU Zhi qiang,LI Yao,ZHOU Ai chao,et al.Phosphate Release and Influencing Factors Analysis during Sludge Thermal Hydrolysis[J].China Water & Wastewater,2018,34(6):24.[2]张彦平,呼瑞琪,李一兵,等.高铁酸盐氧化残剩污泥溶胞减量研究[J].中国给水排水,2020,36(15):59.ZHANG Yan-ping,HU Rui-qi,LI Yi-bing,et al.Lysis and Reduction of Excess Sludge by Ferrate Oxidation[J].China Water & Wastewater,2020,36(6):59.[3]胡德秀,张聪,张艳.超声强化污泥释磷和MAP法磷收受接管优化研究[J].中国给水排水,2020,36(15):65.HU De-xiu,ZHANG Cong,ZHANG Yan.Phosphorus Release from Sludge Enhanced by Ultrasound and Optimization of Phosphorus Recovery by Magnesium Ammonium Phosphate Method[J].China Water & Wastewater,2020,36(6):65.[4]晏习鹏,肖小兰,亓金鹏,等.中试厌氧膜生物反映器对残剩污泥的消化结果[J].中国给水排水,2020,36(19):1.YAN Xi-peng,XIAO Xiao-lan,QI Jin-peng,et al.Digestion of Excess Sludge in a Pilot Anaerobic Membrane Bioreactor[J].China Water & Wastewater,2020,36(6):1.[5]孙洋洋,张雨辰,徐苏云.分歧来历残剩污泥无机质赋存特点和厌氧消化潜能[J].中国给水排水,2021,37(11):17.SUN Yang-yang,ZHANG Yu-chen,XU Su-yun.Characteristics of Organic Matters in Excess Sewage Sludge from Different Sources and Their Anaerobic Digestion Potential[J].China Water & Wastewater,2021,37(6):17.[6]朱赵冉,黄显怀,唐玉朝,等.低速搅拌球磨破解残剩污泥高效释放碳源[J].中国给水排水,2021,37(13):1.ZHU Zhao-ran,HUANG Xian-huai,TANG Yu-chao,et al.High Efficient Release of Carbon Source from Excess Sludge Disintegrated by Low-speed Stirring and Ball-milling[J].China Water & Wastewater,2021,37(6):1.[7]赵博玮,牛宇锟,谢飞,等.残剩污泥碳化裂解液的资本化中试研究[J].中国给水排水,2021,37(19):1.ZHAO Bo-wei,NIU Yu-kun,XIE Fei,et al.Pilot-scale Study on Resource Recycling of Excess Sludge Carbonized Pyrolysis Liquid[J].China Water & Wastewater,2021,37(6):1.[8]窦川川,刘玉玲,赵鹏鹤,等.碱预处置对残剩污泥DOM的溶出特点和平行因子阐发[J].中国给水排水,2021,37(19):14.DOU Chuan-chuan,LIU Yu-ling,ZHAO Peng-he,et al.Effect of Alkaline Pretreatment on DOM Dissolution Characteristics of Excess Sludge and Parallel Factor Analysis[J].China Water & Wastewater,2021,37(6):14.[9]罗锋,彭进湖,张忠祥,等.南边污水处置厂污泥厌氧发酵制取碳源和投加策略[J].中国给水排水,2022,38(3):1.LUO Feng,PENG Jin?hu,ZHANG Zhong-xiang,et al.Preparation of Carbon Source by Anaerobic Fermentation of Sludge in Wastewater Treatment Plant in Southern China an�����APPd Its Dosing Strategy[J].China Water & Wastewater,2022,38(6):1.[10]罗璐,施周,许仕荣,等.溶菌酶预处置对残剩污泥脱水机能的影响[J].中国给水排水,2022,38(3):87.LUOLu,SHIZhou,XUShi-rong,et al.Effect of Lysozyme Pretreatment on Dewatering Performance of Excess Activated Sludge[J].China Water & Wastewater,2022,38(6):87.

  更新日期/Last Update:2023-03-17

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