摘要
为寻找经济而高效的抑制酸雾产生的策略,为酸雾抑制方法的研究提供理论支持及技术指导,制备了某种聚合物微球,并利用实验室自行设计的酸雾产生的装置模拟酸雾的产生,通过观察pH试纸的变色情况对酸雾产生量做出定性分析,考察微球堆砌层厚度、聚合物微球球间间隙及密度等条件对酸雾抑制效果的影响。结果表明:当堆砌层厚度大于10 mm时,抑雾效果明显;采用不同粒径范围的聚合物微球进行组合堆砌时,小粒径聚合物微球(0.45~0.9 mm)的用量比对酸雾抑制的效果影响较大,其用量大于50%时具有较好的抑雾效果;聚合物微球的密度也对堆砌层中悬浮层及沉浸层的厚度具有较大影响,悬浮层厚度占堆砌层厚度40%时,可有效提高抑雾效果。
In order to find an economical and efficient strategy for suppressing acid mist,and to provide theoretical support and technical guidance for the acid mist suppression methods,A kind of polymer microspheres was prepared,and the acid mist generation device designed by the laboratory was used to simulate the generation of acid mist.The qualitative analysis of the amount of acid mist was made by observing the discoloration of pH test paper,and the effects of the stacking layer thickness of microspheres,the space and density between polymer microspheres on the inhibition effect of acid mist were investigated.When the thickness of the stacking layer is over 10 mm,the fog suppression effect is obvious.The results show that when polymer microspheres with different particle size ranges are used for stacking,more small particle size polymer microspheres(0.45~0.9 mm)could lead to better inhibitory effect.When the amount is great than 50%,the stacking layer could exhibit a better acid mist suppression appearance.The density of polymer microspheres also has a greater impact on the thickness of the suspension layer and the immersion layer in the stacking layer.The thickness of the suspension layer accounts for 40%of stacking layer,it could effectively improve the acid mist suppression.
作者
赵佳
孙大力
屈成建
李凯
孙彦琳
ZHAO Jia;SUN Dali;QU Chengjian;LI Kai;SUN Yanlin(School of Chemical Engineering,Kunming University of Science and technology,Kunming 650224,China)
出处
《有色金属工程》
CAS
北大核心
2021年第5期122-128,共7页
Nonferrous Metals Engineering
基金
国家自然科学基金资助项目(51863011,21577053)。
关键词
聚合物
微球
抑制
酸雾
polymer
microphere
suppression
acid mist
