生活污泥与煤泥混合燃烧利用与混合黏度特性研究

惠保安; 柴冬青; 徐学智; 王连喜; 王宜民; 李乾; 邓双辉; 夏忠; 王学斌; 谭厚章

doi:10.13205/j.hjgc.202507008

生活污泥与煤泥混合燃烧利用与混合黏度特性研究

doi: 10.13205/j.hjgc.202507008

1. 山东兖矿济三电力有限公司, 山东济宁 272069;
2. 西安交通大学能源与动力工程学院, 西安 710049

基金项目:

国家重点研发计划资助项目（2022YFB4100500）

详细信息

作者简介:
惠保安（1983－），男，工程师，主要方向为煤燃烧发电技术与应用。huibaoan@163.com

通讯作者:
王学斌（1984－），男，教授，主要研究方向为煤燃烧及其污染物防治。wxb005@mail.xjtu.edu.cn

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出版历程
- 收稿日期: 2024-04-22
- 录用日期: 2024-06-15
- 修回日期: 2024-05-31
- 网络出版日期: 2025-09-11

Research on co-combustion utilization of domestic sludge and coal slime and mixed viscosity characteristics

1. Shandong Yankuang Jisan Power Co., Ltd., Jining 272069, China;
2. Faculty of Energy and Power Engineering, Xi'an Jiaotong University, Xi'an 710049, China

摘要

摘要: 为了实现生活污泥与煤泥的混合利用，对生活污泥和煤泥混合后的燃烧性能、积灰结渣特性和黏度特性进行了综合研究。结果表明，随着生活污泥掺混比的增加，生活污泥和煤泥混合样品的着火点温度逐渐降低，燃烧特性指数逐渐升高，着火稳定性指数从生活污泥掺混比为3.95%时开始高于煤泥并且逐渐增加；当生活污泥添加比例<8.75%时，生活污泥的添加对煤泥的灰熔融温度影响较小。生活污泥掺混比由0增加到8.75%，湿生活污泥和湿煤泥混合样品的黏度逐渐增加；在湿生活污泥和湿煤泥混合样品的含水率为45%时，湿生活污泥的掺比过高会导致混合样品的黏度变化幅度变大，将会增大输送系统的压力。为了能够实现湿生活污泥和湿煤泥混合输送进入锅炉燃烧，含水率为80%的生活污泥掺混比不宜超过3.95%。研究结果可为生活污泥和煤泥的综合处理和利用提供基础数据和应用参考。
- 生活污泥 /
- 煤泥 /
- 燃烧特性 /
- 灰熔融特性 /
- 黏度
Abstract: In order to realize the co-utilization of domestic sludge and coal slime， the combustion performance， slag and ash deposition characteristics， and viscosity characteristics of their mixture were studied. The results showed that with the increase of the mixing ratio of domestic sludge， the ignition point temperature of the mixed samples （domestic sludge and coal sludge） gradually decreased， the combustion characteristic index gradually increased， and the ignition stability index exceeded that of pure coal sludge when 3.95% domestic sludge added and continued to rise. When the addition ratio of domestic sludge was less than 8.75%， it had little effect on the ash melting temperature of coal slime. When the addition ratio of wet domestic sludge increased from 0 to 8.75%， the viscosity of the mixed samples （wet domestic sludge and wet coal sludge） gradually increased. When the moisture content of the mixed samples （wet domestic sludge and wet coal sludge） was 45%， a high mixing ratio of wet domestic sludge increased the viscosity change amplitude of the mixed samples， thereby increased the pressure on the conveying system. In order to realize the mixed transportation of wet domestic sludge and wet coal sludge into the boiler for combustion， the mixing ratio of wet domestic sludge（with a moisture content of 80%） should not exceed 3.95%. The results obtained in this study can provide basic data and application reference for the comprehensive treatment and utilization of domestic sludge and coal slime.
- domestic sludge /
- coal slime /
- combustion characteristics /
- ash melting characteristics /
- viscosity

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参考文献(25)

[1]	China National Coal Association. 2020 Annual development report of the coal industry[R]. 2021.中国煤炭工业协会,2020煤炭行业发展年度报告[R]. 2021.
[2]	WU H B. Practice of full washing process reconstruction in xinjing coal preparation plant of yangquan coal group[J]. Coal Processing and Comprehensive Utilization,2020(11):52-55.吴宏斌.阳煤集团新景选煤厂全入洗工艺改造实践[J].煤炭加工与综合利用,2020(11):52-55.
[3]	CAO H Z. Analysis and practice of raw coal washing scheme in Hongliu Coal mine[J]. Coal Processing and Comprehensive Utilization,2021(11):34-37.曹海庄.红柳煤矿原煤配洗方案分析与实践[J].煤炭加工与综合利用,2021(11):34-37.
[4]	WANG X,LING P,AN X X,et al. Co-combustion of typical sludge and coal slime and release characteristics of sulfur oxides[J]. Clean Coal Technology,2022,28(6):44-53.王鑫,凌鹏,安晓雪,等.典型污泥与煤泥混合燃烧及硫氧化物释放特性[J].洁净煤技术,2022,28(6):44-53.
[5]	LI N,LEI H B,TIAN Z W,et al. Research and analysis on key technologies for resource utilization of coal slime[J]. Coal Engineering,2011(12):100-101,105.李宁,雷宏彬,田忠文,等.煤泥资源化利用关键技术研究分析[J].煤炭工程,2011(12):100-101,105.
[6]	DAI X H,ZHANG C,ZHANG L W,et al. Thoughts on development direction of sludge treatment,disposal and resource utilization under carbon neutrality background[J]. Water&Wastewater Engineering,2021,57(3):1-5.戴晓虎,张辰,章林伟,等.碳中和背景下污泥处理处置与资源化发展方向思考[J].给水排水,2021,57(3):1-5.
[7]	YAN S C. Coal slime disposal[M]. Beijing:China Coal Industry Press,2001.闫世春.煤泥处置[M].北京:煤炭工业出版社,2001.
[8]	IWONA J,ZBIGNIEW M. Petrographic and geochemical investigation of coal slurries and of the products resulting from their combustion[J]. International Journal of Coal Geology,2015,139:228-236.
[9]	JIA L,ZHANG L,CHENG P,et al. Emission characteristics of particulate matter and nucleation mechanism of mercury during co-combustion of sludge and coal slime[J]. Journal of Central South University (Science and Technology),2023,54(10):4135-4149.贾里,张柳,程鹏,等.污泥与煤泥混燃过程中颗粒物的排放特性及汞成核机理[J].中南大学学报(自然科学版),2023,54(10):4135-4149.
[10]	WANG Y,JIA L,GUO J,et al. Thermogravimetric analysis of co-combustion between municipal sewage sludge and coal slime:Combustion characteristics,interaction and kinetics[J]. Thermochimica Acta,2021,706:179056.
[11]	SHI M Z,LEI K,ZHANG R. Combustion characteristics and heavy metal migration of sludge in flue gas circulation coal-fired coupled sludge incineration system[J]. Clean Coal Technology,2022,28(3):109-117.史明哲,雷凯,张睿.烟气循环式燃煤耦合污泥焚烧系统中污泥燃烧及重金属迁移特性[J].洁净煤技术,2022,28(3):109-117.
[12]	WANG B R,JIA L,WANG Y L,et al. Study on co-combustion behavior of sludge and coal slime[J]. Coal Science and Technology,2023,51(5):284-293.王碧茹,贾里,王彦霖,等.污泥和煤泥的共燃烧行为研究[J].煤炭科学技术,2023,51(5):284-293.
[13]	CHEN F R,SUN M,GAO X M. Co-combustion and pyrolysis characteristics of domestic sludge and coal[J]. Chinese Journal of Environmental Engineering,2017,11(5):3161-3165.陈繁荣,孙鸣,高晓明.生活污泥与煤混烧及热解特性[J].环境工程学报,2017,11(5):3161-3165.
[14]	CHEN Y L,XIN W C,CHEN M,et al. Research progress on sludge pipeline transportation[J]. Environmental Engineering,2022,40(7):248-252.陈屹林,辛文才,陈蒙,等.污泥管道输送研究进展[J].环境工程,2022,40(7):248-252.
[15]	ZHANG Y Y,CHEN C R,ZHAO W X,et al. Comparative study on rheological characteristics of coal washery sludge based on pipe flow method and rotation method[J]. Coal Conversion,2023,46(1):81-88.张圆圆,陈春瑞,赵文鑫,等.基于管流法和旋转法的洗煤泥流变特性比较研究[J].煤炭转化,2023,46(1):81-88.
[16]	CAO X,WANG F,YANG J. Using a combination of different conditioners to promote dewatering of digested sludge:rheological characteristics[J]. Environmental Research,2023,237(2):116958.
[17]	XIE Z,MA X. The thermal behaviour of the co-combustion between paper sludge and rice straw[J]. Bioresource Technology,2013,146:611-618.
[18]	WANG Z,HONG C,XING Y,et al. Combustion behaviors and kinetics of sewage sludge blended with pulverized coal:with and without catalysts[J]. Waste Management,2018,74:288-296.
[19]	TONG M,FENG Y T,LUO Y H. Co-combustion characteristics and pollutant emission of municipal sludge blended with coal[J]. Environmental Engineering,2018,36(3):133-137.童敏,封羽涛,罗永浩.城市污泥掺煤混烧特性及污染物排放研究[J].环境工程,2018,36(3):133-137.
[20]	QI Z X. Ash formation behavior and particle generation characteristics during combustion of coal slime and sludge[D]. Nanjing:Southeast University,2022.戚振贤.煤泥、污泥燃烧成灰行为及颗粒物生成特性[D].南京:东南大学,2022.
[21]	ZHAO R,DAI R,CHEN T,et al. Investigation on combustion,gaseous pollutants emission and ash characteristics during co-combustion of semicoke and coal slime[J]. Journal of Environmental Chemical Engineering,2021,9(5):106249.
[22]	WILK M,MAGDZIARZ A. An evaluation of renewable fuels microstructure after the combustion process[J]. Journal of Power Technologies,2017,97(4):265-271.
[23]	WU H,LIU X,CAO X,et al. Slagging characteristics and mechanism of municipal sludge and coal co-gasification ash[J]. Clean Coal Technology,2023,29(7):189-197.吴昊,刘霞,曹希,等.市政污泥与煤共气化灰渣沾温特性及机理[J].洁净煤技术,2023,29(7):189-197.
[24]	DENG S,TAN H,WEI B,et al. Investigation on combustion performance and ash fusion characteristics of Zhundong coal co-combustion with coal gangue[J]. Fuel,2021,294:120555.
[25]	WANG Yupeng. Experimental study on viscosity characteristics of coal slime[D]. Zibo:Shandong University of Technology,2017.王玉朋.煤泥的黏度特性及其试验研究[D].淄博:山东理工大学,2017.