建筑垃圾资源化处理工艺改进研究  

RESEARCH ON THE IMPROVEMENT OF CONSTRUCTION WASTE RECOVERY PROCESS

作　　者：孙金坤[1,2] 欧先军 马海萍[1,2] 侯永斌 

机构地区：[1]攀枝花学院土木与建筑工程学院,四川攀枝花617000 [2]工业固态废弃物土木工程综合开发利用四川省高校重点实验室,四川攀枝花617000 [3]攀枝花市恒德废物集中处理有限公司,四川攀枝花617000

出　　处：《环境工程》2016年第12期103-107,共5页Environmental Engineering

基　　金：西华大学四川省重点实验室开放研究基金(SZjj2014-023)

摘　　要：在分析国内建筑垃圾分类及传统处理工艺现状的基础上,针对传统工艺存在的问题进行改进和优化。所设计的新型处理工艺流程从提高破碎比、改善筛分效果,增强骨料强度和降低扬尘4个方面进行了改进,重点为破碎后骨料的颗粒整形强化工艺、凝胶强化工艺、破碎喷淋除尘工艺。具体表现为:在通用处理流程的基础上,把破碎环节改进为筛分后再进行二次破碎,改进筛分为多次筛分,利用不同的筛分原理实现不同筛分效果;骨料形成后的回收环节增加凝胶喷淋提高骨料强度,弥补了当前处理工艺流程的不足,提高了建筑垃圾的处理效率及品质,可为建筑垃圾资源化处理提供参考。By analyzing the problems existing in construction waste classification and recovery in China,a new-designed treatment process was proposed with higher crushing and sieving rate,better aggregate strength,and lower dust generating. In specific,based on the general processing flow,this new method improved the primary and basic crushing process into screening and secondary crushing,which could achieve different screening effect through different screening principles. The intensity of the concrete aggregates was increased by gel spray in the recycling process. In general,the new process improved the processing efficiency and quality of product,which could offer references to promote the treatment process of construction waste recovery in China.

关 键 词：建筑垃圾 资源化 处理工艺 骨料特性 

分 类 号：X799.1[环境科学与工程—环境工程]