生物型表面活性剂磁化水对煤尘润湿性能影响分析  

Analysis on Influence of Magnetized Water of Biosurfactant on the Wettability of Coal Dust

作　　者：袁树杰[1,2] 王佳妮 YUAN Shujie;WANG Jiani(School of Safety Science and Engineering,Anhui University of Science and Technology,HuainanAnhui 232001,China;Key Laboratory of Coal Mine Safe and Efficient Mining,Ministry of Education,Huainan Anhui 232001,China)

机构地区：[1]安徽理工大学安全科学与工程学院,安徽淮南232001 [2]煤矿安全高效开采省部共建教育部重点实验室,安徽淮南232001

出　　处：《兰州工业学院学报》2025年第1期28-34,共7页Journal of Lanzhou Institute of Technology

基　　金：安徽理工大学研究生创新基金(2021CX2018)。

摘　　要：为研究不同生物型表面活性剂磁化水对煤尘的润湿性能,以1/3焦煤为研究对象,选择4种常见的生物型表面活性剂,通过测量生物型表面活性剂溶液的表面张力和接触角选择适宜的降尘浓度,然后计算溶液的粘附功、铺展功和浸湿功来分析润湿能力。通过粉尘沉降试验和红外光谱试验比较生物型表面活性剂磁化水的润湿性能及其对煤尘表面官能团的影响。结果表明:溶液的表面张力和接触角在质量分数大于0.1%时下降速度均放缓;质量分数为0.1%时,茶皂素的粘附功下降得最少,鼠李糖脂的粘附功下降幅度最大,而铺展功和浸湿功提升效果最好;磁化与槐糖脂的协同作用优于鼠李糖脂,但煤尘在鼠李糖脂磁化水溶液中的脂肪族/芳香族吸光度比为12.27,吸附密度最高,沉降速度最快。In order to study the wetting performance of the bio-based surfactant magnetized water on coal dust,1/3 coking coal is taken as the research object.Four common bio-based surfactants are selected,and the surface tension and contact angle of the bio-based surfactant solution are measured to determine the surfactant concentration appropriate for dust suppression.And then the adhesion work,spreading work and wettability work of the four bio-based surfactants are calculated to analyze their wetting ability.The wettability of magnetized water of biosurfactant and its effect on the functional groups on the coal surface are compared by dust settling experiments and infrared spectral analysis.The results show that the decrease of both surface tension and contact angle of rhamnolipid solution is slowed down when the mass fraction of rhamnolipid is more than 0.1%.When the mass fraction is 0.1%,the adhesion function of tea saponin decreases the least,the adhesion function of rhamnolipid decreases the most while the spreading function and wetting function increases the most.The synergistic effect of magnetization and sophorolipid is better than rhamnoipid,but the aliphatic/aromatic absorbance ratio of coal dust in rhamnoipid magnetized aqueous solution is 12.27,the adsorption density is the highest,and the sedimentation rate is the fastest.

关 键 词：煤尘防治 生物型表面活性剂 磁化水 润湿性 

分 类 号：X964[环境科学与工程—安全科学]