吉林大学学报(工学版) ›› 2024, Vol. 54 ›› Issue (6): 1701-1707.doi: 10.13229/j.cnki.jdxbgxb.20220891

• 交通运输工程·土木工程 • 上一篇    

温拌沥青的沥青烟成分及温拌剂抑烟性能

徐永丽1(),杨煦兰1,周吉森2,杨松翰3,孙明刚4   

  1. 1.东北林业大学 土木与交通工程学院,哈尔滨 150040
    2.黑龙江省龙建路桥第六工程有限公司,哈尔滨 150518
    3.辽宁省交通规划设计院,沈阳 110166
    4.龙建路桥股份有限公司,哈尔滨 150076
  • 收稿日期:2022-07-12 出版日期:2024-06-01 发布日期:2024-07-23
  • 作者简介:徐永丽(1977-),女,教授,博士.研究方向:沥青路面材料及绿色交通技术.E-mail:xuyongli77@163.com
  • 基金资助:
    中央高校基本科研业务费专项资金项目(2572020DF05)

Asphalt fume composition of warm mix asphalt and smoke suppression performance of warm mix agent

Yong-li XU1(),Xu-lan YANG1,Ji-sen ZHOU2,Song-han YANG3,Ming-gang SUN4   

  1. 1.College of Civil and Transportation Engineering,Northeast Forestry University,Harbin 150040,China
    2.Heilongjiang Longjian Road and Bridge No. 6 Engineering Co. ,Ltd. ,Harbin 150518,China
    3.Liaoning Transportation Planning and Design Institute,Shenyang 110166,China
    4.Longjian Road and Bridge Co. ,Ltd. ,Harbin 150076,China
  • Received:2022-07-12 Online:2024-06-01 Published:2024-07-23

摘要:

选择3种温拌剂WSG-H02、Sasobit和Evotherm3g,利用重量法和气相色谱质谱联用仪(GC-MS)研究了温拌剂对沥青烟的抑烟性能以及不同温拌沥青与热拌沥青(HMA)相对比的减排效果以及沥青烟组分的差异性。结果表明:3种温拌沥青的沥青烟减排率由高到低依次为WSG-H02、Sasobit、Evotherm3g,且主要降低沥青挥发性有机化合物(VOCs)成分中的脂肪烃和芳香烃;WSG-H02温拌剂在节能减排方面具有双重作用,不仅可以作为降黏改性剂以降低施工温度、减少沥青烟排放,同时对VOCs的释放量有抑制效果,即还可作为沥青烟抑制剂以降低沥青烟的释放。

关键词: 道路工程, 温拌沥青, 沥青烟成分, 重量法, 气相色谱质谱联用仪, 抑烟性能

Abstract:

Three warm mixing agents WSG-H02, Sasobit and Evotherm3g were selected to study the smoke suppression performance of warm mixing agents on asphalt smoke, and the difference of emission reduction effect and components of different warm mixed asphalt to hot mixed asphalt (HMA) by gravimetric method and gas chromatography-mass spectrometry (GC-MS). The results show that the emission reduction rate of three warm mix asphalt is WSG-H02, Sasobit and Evotherm3g from high to low, and mainly reduce the aliphatic hydrocarbons and aromatic hydrocarbons in the volatile organic compounds (VOCs) of asphalt. WSG-H02 warm mix agent has dual role in energy saving and emission reduction, not only as viscosity reduction modifier to reduce the construction temperature to reduce asphalt fume emissions, but also to reduce the release of VOCs, It can also be used as asphalt fume inhibitors to reduce the release of asphalt fume.

Key words: road engineering, warm mix asphalt, asphalt fume composition, gravimetric method, gas chromatograph-mass spectrometry, smoke suppression performance

中图分类号: 

  • U414

表1

90#沥青技术指标"

技术指标测试结果规范要求
针入度(25 ℃,100 g,5 s)/(0.1 mm)8380~100
软化点/℃47.5≥44
延度(5 cm/min,10 ℃)/cm109≥20
黏度(135 ℃)/Pa.s0.389

表2

三种温拌剂的技术指标"

温拌剂熔点/℃密度/(g·cm-3闪点/℃PH
Sasobit990.9285
Evotherm3g1051.0310.5
WSG-H021000.9

图1

沥青烟收集装置示意图"

图2

沥青烟吸滤前后滤膜和吸收后的环己烷溶液"

图3

加热温度对沥青烟释放量的影响"

图4

温拌剂对沥青烟释放量的影响"

图5

沥青VOCs总离子流色谱图"

图6

沥青VOCs各组分的峰面积"

表3

三种温拌沥青相对于HMA各类成分的减排率 (%)"

化合物种类WSG-H02SasobitEvotherm3g
烷烃类69.262.751.2
芳香烃类71.969.567.4
PAHs81.379.277.9
醛类68.564.261.2
烯烃类95.394.583.9
醇类69.469.161.2
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