- 目录
- 保温材料与建筑节能
- 首页
固硫灰陶粒制备影响因素研究及其生产工艺自动化设计
作者：张静1，贾冠华2，4，杨凤玲3，4，张培华4
（1.山西大学 自动化系，山西 太原 030013；2.山西大学 土木工程系，山西 太原 030013；
3.山西大学 资源与环境工程研究所，山西 太原 030006；
4.山西大学固废综合利用襄垣研发基地，山西 长治 046200）
4.山西大学固废综合利用襄垣研发基地，山西 长治 046200）
摘要：研究了固硫灰陶粒的制备工艺和物理力学性能影响因素。结果表明：固硫灰所含硫酸钙在烧结过程具有产气发泡和助熔作用，使陶粒烧胀时容易形成表面玻化及内部多孔的蜂窝状结构；原材料中碱性氧化物助熔成分与硅铝氧化物质量比对陶粒表面和内部液相产生影响；工艺优化后制得700级固硫灰陶粒轻集料。设计了固硫灰陶粒生产自动化工艺流程和尾气脱除SO2前馈-串级控制系统。
关键词：固硫灰；陶粒；生产工艺；自动化
中图分类号：TU55+1.3 文献标识码：A 文章编号：1001-702X（2020）08-0134-05
Study on the affecting factors of preparation of CFBC fly ash ceramsite and its automatic design for production process
ZHANG Jing1，JIA Guanhua2，4，YANG Fengling3，4，ZHANG Peihua4
（1.Department of Automation，Shangxi University，Taiyuan 030013，China；
2.Department of Civil Engineering，Shangxi University，Taiyuan 030013，China；
2.Department of Civil Engineering，Shangxi University，Taiyuan 030013，China；
3.Institute of Resources and Environment Engineering，Shangxi University，Taiyuan 030006，China；
4.Xiangyuan R&D Base of Solid Waste Comprehensive Utilization of Shanxi University，Changzhi 046200，China）
Abstract：The affecting factors of the preparation process and the physical and mechanical properties of the circulating fluidized bed combustion （CFBC） fly ash ceramsite were studied. The results showed that the calcium sulfate contained in the CFBC fly ash had the effects of aerogenesis foaming and fluxing agent in the sintering process，which made the ceramsite easy to form vitrified surface and cellular structure with porous interior. The effect of the mass ratio between the alkali oxide and the silicon aluminum oxide on the performance of the CFBC ash ceramsite was mainly reflected in the effect of the fluxing element on the generation of liquid phase in the surface and interior of the ceramsite during the sintering process. After the process optimization，the 700-grade CFBC ash ceramsite as lightweight aggregate was prepared. The production automation process of CFBC fly ash ceramsite and the feed forward-cascade control system for removal of SO2 from production of ceramsite were designed.
Key words：CFBC fly ash，ceramsite，production process，automation