基于工业釜乏汽与电窑废气余热驱动的氯化铵干燥系统设计及理论分析  

Design and Theoretical Analysis of Ammonium Chloride Drying System Driven by Industrial Kettle Spent Steam and Exhaust Gas Waste Heat from Electric Kiln

作　　者：汤永智 陈琪 陆琳 冯青 TANG Yongzhi;CHEN Qi;LU Lin;FENG Qing(School of Materials Science and Engineering,Jingdezhen Ceramic University,Jingdezhen 333403,China)

机构地区：[1]景德镇陶瓷大学材料科学与工程学院,景德镇333403

出　　处：《中国陶瓷》2025年第3期49-57,共9页China Ceramics

基　　金：江西省赣鄱俊才支持计划–青年科技人才托举项目(2023QT13);江西省重大科技研发专项项目(20214ABC28W003);江西省自然科学基金项目(20232BAB204055、20224BAB214055);国家自然科学基金项目(52306089);景德镇市社会发展项目(20224SF005-05)。

摘　　要：现有企业受自身发展、生产技术的影响,存在低温余热回收难度大、回收效益低的问题。为此,根据氯化铵干燥特性并结合企业低温余热资源设计出一种基于工业釜乏汽与电窑废气余热为热源的干燥系统,重点在利用干燥特性合理分配不同干燥时间,设计不同干燥方式对干燥过程的热利用率及热损比进行理论分析。研究表明:此设计满足干燥所需热量,可回收废气中15.04%的热量。工业釜乏汽以及电窑废气外排温度平均降低41.13℃,解决了企业废气外排温度过高的问题,不仅可利用干燥氯化铵创造经济价值,还可可节省干燥气体的花费。Existing enterprises are affected by their own development and production technologies,resulting in difficulties in low-temperature waste heat recovery and low recovery efficiency.For this reason,according to the drying characteristics of ammonium chloride and combined with the enterprise low-temperature waste heat resources to design a drying system based on the industrial kettle spent steam and waste heat from electric kilns as the heat source.The focus was on reasonably distributing different drying times based on drying characteristics and conducting theoretical analyses of the thermal utilization efficiency and heat loss ratio for different drying methods.The study shows that this design meets the heat required for drying and can recover 15.04%of the heat from the waste gas.The average exhaust temperature of the waste steam from industrial kettles and electric kilns is reduced by 41.13℃,solving the problem of excessively high exhaust temperatures in enterprises.Additionally,while creating economic value from drying ammonium chloride,the design can save drying gas expenses.

关 键 词：梭式窑 数值模拟 温度场 速度场 还原气氛 

分 类 号：TK115[动力工程及工程热物理—热能工程]