电厂炉渣粉煤灰分选系统优化与应用  

Optimization and Application of Fumace Slag and Coal Fly Ash Separation System in Power Plants

作　　者：许束光 XU Shuguang(State Energy Group Taizhou Power Generation Co.,Ltd.,Taizhou 225300,China)

机构地区：[1]国家能源集团泰州发电有限公司,江苏泰州225300

出　　处：《河南科技》2024年第21期83-86,共4页Henan Science and Technology

摘　　要：【目的】解决火力发电厂炉渣和粉煤灰的分选问题,提高废弃物的分选效率和纯度,为其资源化利用奠定基础。【方法】采用气流分选与静电分选相结合的方法,设计了优化分选系统。该系统包括旋风分离器、气流床分选器和滚筒式静电分选器,通过调节关键参数实现高效分离。【结果】优化后系统将炉渣和粉煤灰分选纯度提高至95%以上,效率提升30%。炉渣分选效率达97%,纯度98%;粉煤灰分选效率达96%,纯度99%。系统能耗降低20%,水耗减少80%。投资回收期不到7个月,10年净收益可达3.5亿元。【结论】本研究开发的优化分选系统显著提高了炉渣和粉煤灰分选效率和纯度,为火电厂废弃物资源化利用提供创新方案。该系统具有良好经济效益,同时减少环境污染,促进循环经济发展。未来可进一步探索智能化管理和更广泛应用,推动火电行业可持续发展。[Purposes]This study aims to address the separation issue of furnace slag and coal fly ash in thermal power plants,improve the separation efficiency and purity of these waste materials,and lay a foundation for their resource utilization.[Methods]The study employs a combination of air classification and electrostatic separation methods to design an optimized separation system.This system includes a cyclone separator,an entrained flow bed classifier,and a drum-type electrostatic separator,achieving efficient separation by adjusting key parameters.[Findings]The optimized system improved the separation purity of furnace slag and coal fly ash to over 95%,with a 30%increase in efficiency.Fumace slag separation efficiency reached 97%with 98%purity;coal fly ash separation efficiency reached 96%with 99%purity.The system reduced energy consumption by 20%and water consumption by 80%.The investment payback period is less than 7 months,with a potential net profit of 350 million yuan over 10 years.[Conclusions]The optimized separation system developed in this study significantly improved the separation efficiency and purity of boiler slag and coal fly ash,providing an innovative solution for waste resource utilization in thermal power plants.The system offers good economic benefits while reducing environmental pollution and promoting circular economy.Future research can explore intelligent management and broader applications,promoting sustainable development in the thermal power industry.

关 键 词：炉渣 粉煤灰 分选系统 气流分选 静电分选 

分 类 号：TH162[机械工程—机械制造及自动化]