流化床快速热解笋壳的研究  

Rapid pyrolysis of bamboo shoot shell in fluidized bed

作　　者：廖益强 黄彪[1] 董健[2] 陆则坚[2] 

机构地区：[1]福建农林大学材料工程学院,福建福州350002 [2]福建农林大学食品科学学院,福建福州350002

出　　处：《福建农业学报》2010年第3期269-273,共5页Fujian Journal of Agricultural Sciences

基　　金：福建省自然科学基金项目(2009J01230);十一五国家科技支撑计划项目(2008BADA9B0501);福建省教育厅资助项目(JA09068)

摘　　要：以笋壳为原料,石英砂为流化介质,在自行研制的流化床快速热解装置上进行热解试验,研究了热解温度、物料尺寸、进料速率、滞留时间和添加剂对笋壳热解产物分布的影响。结果表明:加入添加剂KNO3热解效果较好,较佳工艺条件是热解温度500℃、物料尺寸1.0 mm、进料速度50 g.min-1、滞留时间0.8 s、KNO3浓度0.4%,液体产率可达62.7%。Pyrolysis experiments on the bamboo shoot shell were carried out in a custom-designed fluidized bed.The bed applied quartz sand as the fluidizing medium.The effects of temperature,material size,feeding rate,retention time and additives on bio-oil yield were studied.The results showed that the optimal pyrolyis conditions included 0.4% addition of KNO3,temperature at 500℃,material size of 1.0 mm,feeding speed at 50 g/min and retention time of 1s.Under such conditions,the bio-oil yield reached 62.7%.

关 键 词：笋壳 快速热解 流化床 产率 

分 类 号：TK6[动力工程及工程热物理—生物能]