炭化工艺参数对竹炭调湿性能的影响  

Effect of Carbonization Process Parameters on Humidity-Controlling Properties of Bamboo Charcoal

作　　者：蒋正武[1] 张静娟 曾志勇[1,2] 田曼丽 

机构地区：[1]同济大学先进土木工程材料教育部重点实验室,上海201804 [2]台州学院建筑工程学院,浙江台州318000 [3]重庆交通职业学院铁道系,重庆402247

出　　处：《建筑材料学报》2017年第5期717-722,共6页Journal of Building Materials

基　　金：国家自然科学基金资助项目(51678442;51478348;51508404);国家高铁联合基金项目(U1534207);上海市科委重点项目(15DZ1205003);中央高校基本科研业务费专项资金资助项目

摘　　要：以平衡吸放湿量、吸放湿效率和调湿稳定性来评价竹炭调湿性能,研究了炭化温度、升温速率以及保温时间这3个炭化工艺参数与竹炭调湿性能之间的关系.结果表明:较低的炭化温度和较长的保温时间有利于竹炭平衡吸放湿量的提升,在较低的升温速率下竹炭的平衡吸放湿量较高;炭化工艺参数对竹炭的吸放湿效率影响不大;在升温速率低、保温时间短的情况下竹炭的调湿稳定性更好.Humidity-controlling properties of bamboo charcoal after exposure to different carbonization temperature,heating rate and holding time were evaluated by using the three indices of equilibrium moisture absorption and desorption content,moisture absorption and desorption efficiency and humidity-controlling stability.The results indicate that lower carbonization temperature and longer holding time are conducive to enhance the equilibrium moisture absorption and desorption content of bamboo charcoal,bamboo charcoal has higher equilibrium moisture absorption and desorption content in the case of low heating rate.Carbonization process parameters have little effect on the moisture absorption and desorption efficiency of bamboo charcoal.Bamboo charcoal has better humidity-controlling stability under lower heating rate and shorter holding time.

关 键 词：炭化温度 升温速率 保温时间 平衡吸放湿量 吸放湿效率 调湿稳定性 

分 类 号：TQ351[化学工程]