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浙江大学学报(工学版)
浙江大学学报(工学版)  2026, Vol. 60 Issue (3): 670-678    DOI: 10.3785/j.issn.1008-973X.2026.03.023
环境工程     
阴燃治理含油污泥反应特性的实验及模拟分析
张烨1(),籍龙杰2,3,李鸿炫2,3,刘鹏2,3,李书鹏2,3,冯时1,王进卿1,徐旭1,*(),詹明秀1
1. 中国计量大学 能源环境与安全工程学院，浙江 杭州 310018
2. 北京建工环境修复股份有限公司，北京 100015
3. 污染场地安全修复技术国家工程实验室，北京 100015
Experimental and simulation analysis on reaction characteristic of smoldering treatment of oily sludge
Ye ZHANG1(),Longjie JI2,3,Hongxuan LI2,3,Peng LIU2,3,Shupeng LI2,3,Shi FENG1,Jinqing WANG1,Xu XU1,*(),Mingxiu ZHAN1
1. College of Energy Environment and Safety Engineering, China Jiliang University, Hangzhou 310018, China
2. Beijing Construction Engineering Group Environmental Remediation Limited Company, Beijing 100015, China
3. National Engineering Laboratory for Site Remediation Technologies, Beijing 100015, China
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摘要：

针对现有含油污泥处置技术存在的成本高、难以兼顾无害化和资源化的问题，采用阴燃法处置含油污泥，探究处置效果以及在不同达西空气流速、热值条件下的阴燃特性差异，建立一维的含油污泥阴燃数值模型. 结果表明，阴燃处理后污泥中的污染物去除率大于99.7%，油回收率可达57.8%. 明确了污泥阴燃的平均峰值温度和传播速度与水的质量分数、达西空气流速、孔隙率的关系. 对比阴燃前、后的物质种类和质量分数变化并结合分子动力学模拟，发现阴燃过程的反应不仅涉及长链石油烃的裂化和短链石油烃的氧化，还包含石油烃的挥发、环化和芳构化、异构化等. 数值模拟结果表明，利用该模型，能够较好地模拟含油污泥阴燃过程的温度和速度，平均误差约为11%. 当达西空气流速和热值改变时，模拟结果与实验结果的阴燃速率变化趋势一致，模拟结果与实验结果在不同条件下符合较好.
关键词： 含油污泥;  阴燃特性;  降解路径;  分子动力学模拟    
Abstract:

Smoldering treatment was applied to oily sludge to evaluate the disposal effectiveness and analyze the difference in smoldering characteristic under different Darcy air flow rate and heating value aiming at the problem of the high cost and the difficulty of simultaneously achieving harmlessness and resource recovery of existing oily sludge treatment technology. A one-dimensional numerical model of oily sludge smoldering was established. Results showed that the pollutant removal rate in the sludge exceeded 99.7% and the oil recovery rate reached 57.8% after smoldering treatment. The relationship of the average peak temperature and propagation velocity with the mass fraction of water, Darcy air flow rate, and porosity was analyzed. The types and mass fractions of substances before and after smoldering were compared by combining with molecular dynamics simulations. The reactions involved in the smoldering process include not only the cracking of long-chain petroleum hydrocarbons and the oxidation of short-chain hydrocarbons, but also volatilization, cyclization and aromatization, and isomerization of petroleum hydrocarbons. The numerical simulation results showed that the model could reasonably simulate the temperature and propagation velocity during oily sludge smoldering, with an average error of about 11%. The simulated trends in smoldering rate accorded with the experimental results when the Darcy air flow rate and heating value varied, and good agreement was obtained under different conditions.
Key words: oily sludge    smoldering characteristic    degradation pathway    molecular dynamic simulation
收稿日期: 2025-04-04 出版日期: 2026-02-04
:  X 703  
基金资助: 浙江省自然科学基金资助项目(LY23E060002).
通讯作者: 徐旭     E-mail: 1287509205@qq.com;xuxu@cjlu.edu.cn
作者简介: 张烨（1998—），男，硕士生，从事固体废弃物处置的研究. orcid.org/0009-0002-7499-4944. E-mail：1287509205@qq.com
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张烨
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冯时
王进卿
徐旭
詹明秀

引用本文:

张烨,籍龙杰,李鸿炫,刘鹏,李书鹏,冯时,王进卿,徐旭,詹明秀. 阴燃治理含油污泥反应特性的实验及模拟分析[J]. 浙江大学学报(工学版), 2026, 60(3): 670-678.

Ye ZHANG,Longjie JI,Hongxuan LI,Peng LIU,Shupeng LI,Shi FENG,Jinqing WANG,Xu XU,Mingxiu ZHAN. Experimental and simulation analysis on reaction characteristic of smoldering treatment of oily sludge. Journal of ZheJiang University (Engineering Science), 2026, 60(3): 670-678.

链接本文:

https://www.zjujournals.com/eng/CN/10.3785/j.issn.1008-973X.2026.03.023    或    https://www.zjujournals.com/eng/CN/Y2026/V60/I3/670

成分元素分析 wad / %工业分析 wad / %
CHO1）NS水分灰分挥发分固定碳
注：1）由差减法测出.
含油污泥12.741.648.880.310.5220.4355.4823.500.59
表 1  落地含油污泥的工业分析和元素分析
成分wB / %成分wB / %成分wB / %成分wB / %
2-丁烯4.44十六烷3.361-十二烯0.54二十三烷5.52
1-戊烯1.422,6,10,14-四甲基十六烷4.462,7,10-三甲基十二烷0.45二十四烷5.65
1-己烯1.00十七烷8.121-十三烯0.61二十五烷5.36
1-庚烯0.541-十七烯0.87十四烷0.80二十六烷5.00
1-辛烯0.44十八烷5.602,6,10-三甲基十五烷1.52二十八烷4.07
1-壬烯0.48十九烷5.06十五烷2.56二十九烷2.89
1-癸烯0.65二十烷15.731-十五烯1.00四十四烷4.36
1-十一烯0.60二十二烷6.323-十六碳烯0.55——
表 2  原始含油污泥的石油烃种类及质量分数
图 1  含油污泥阴燃装置的示意图
图 2  二十烷的分子结构图
图 3  阴燃点火时间随水质量分数的变化曲线
图 4  平均峰值温度和阴燃速率随水质量分数的变化曲线
图 5  平均峰值温度和阴燃速度随达西空气流速的变化曲线
图 6  阴燃平均峰值温度与热值的关系曲线
图 7  阴燃平均峰值温度和传播速度随孔隙率的变化曲线
图 8  含油污泥阴燃过程可能的污染物降解路径示意图
成分wB/%成分wB/%
丙烷1.50十三烷3.21
辛烷2.451-十三烯0.19
壬烷7.20十四烷1.66
癸烷10.43十五烷0.55
十一烷11.212,6-二甲基十一烷1.34
4-甲基癸烷3.56邻二甲苯2.28
十二烷6.50——
表 3  含油污泥阴燃尾气冷凝液主要物质的质量分数
图 9  不同温度下含碳组分质量分数以及4 000 K温度下H2数量和产物总数等温模拟变化的统计
图 10  含油污泥阴燃模拟与实验结果的对比
图 11  达西空气流速改变时平均峰值温度和阴燃速率模拟结果和实验结果的差异
图 12  不同热值的平均峰值温度和阴燃速率模拟值和实验值的差异
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