改质沥青生产工艺的比较与应用

介绍了改质沥青的生产原理及我国目前改质沥青的生产现状,分析了各种改质沥青生产工艺的优缺点。改质沥青有多种生产方法,国内大部分厂家目前仍采用釜式连续加热聚合法,日本及欧美等国家则采用比较先进的热沥青循环聚合法和真空闪蒸法。通过对比,指出了焦油连续加热聚合法和真空闪蒸法是适合我国国情的发展趋势较好的两种工艺。

Comparison and Application of Different Process to Produce Modified Pitch

This thesis gives an introduction to the current production methods of the modified pitch as well as the advantages and disadvantages of those methods.Most domestic manufacturers still employ continuous tank heating polymerization process while Japan and many European countries employ the hot asphalt recycle polymerization method and the vacuum flash method,which are more advanced.The author is of the opinion that coal tar continuous heating polymerization method and the vacuum flash method have great room ...