污泥、煤矸石烧结砖关键工艺技术的研究  

Research on key process technology of sludge and coal gangue fired bricks

作　　者：章来锋 李超 李俊 邹基[2] 林玲 ZHANG Lai-feng;LI Chao;LI Jun;ZOU Ji;LIN Ling

机构地区：[1]合肥佳安建材有限公司,安徽合肥230000 [2]西安墙体材料研究设计院,陕西西安710061 [3]国检集团西安有限公司,陕西西安710061

出　　处：《砖瓦》2022年第6期16-21,共6页Brick-tile

基　　金：安徽省科技重大专项项目:隧道窑协同处置城镇污泥生产烧结节能砖关键技术研发及产业化(201903a07020005)。

摘　　要：介绍了污泥、煤矸石、建筑渣土制备烧结节能砖的生产实践,研究分析了生产工艺关键环节技术:污泥脱水烘干关键技术、混合料制备关键技术、成型工艺关键技术、污泥烘干有害气体除尘除臭关键技术、高掺量污泥隧道窑烧结关键技术。生产的污泥煤矸石烧结砖的泛霜、石灰爆裂、强度、密度、放射性、重金属含量指标以及大气污染物排放指标均符合国家标准,生产实践表明制砖是消纳污泥的重要途径。The production practice of fired energy-saving bricks prepared from sludge coal gangue, construction and slag is introduced. The key link technologies of the production process are studied and analyzed: the key technology of sludge dewatering and drying, the key technology of mixture preparation, the key technology of molding process, the key technology of dedusting and deodorization of harmful gases in sludge drying, and the key technology of high-volume sludge tunnel kiln firing. The produced sludge coal gangue fired bricks are in line with national standards in terms of frost, lime burst, strength, density, radioactivity,heavy metal content and air pollutant discharge indicators. Production practice shows that brick making is an important way to absorb sludge.

关 键 词：污泥 煤矸石 烧结砖 工艺技术 研究 

分 类 号：TU522.06[建筑科学—建筑技术科学]