木材干燥窑内部流场改进与风速均匀性研究  

Improvement of Internal Flow Field of Wood Drying Kiln and Its Wind Speed Distribution Uniformity

作　　者：孟兆新[1] 李尚[1] 肖定福[1] 陈广元[2] 

机构地区：[1]东北林业大学机电工程学院,黑龙江哈尔滨150040 [2]东北林业大学材料科学与工程学院,黑龙江哈尔滨150040

出　　处：《西北林学院学报》2016年第3期247-251,共5页Journal of Northwest Forestry University

基　　金：黑龙江省自然科学基金(C201238)

摘　　要：木材干燥窑流场均匀性是影响木材整体干燥质量与效率的主要因素。为解决木材干燥窑内部风速分布不均匀的问题,在理论研究和试验的基础上,提出增加导流板、改造窑体结构和优选材堆间隙的措施,并运用HyperWorks软件进行解算分析。结果表明,安装导流板、改变窑体结构以及改变材堆梯度间隙后干燥窑内部流场速度分布均匀性得到提高。仿真数据为改善木材干燥质量提供了依据,具有良好的应用前景。Flow field uniformity of wood-drying kilns is the main factor affecting the quality and efficiency of the overall wood-drying.Aiming at solving the problem of the uneven distribution of the internal airflow of wood-drying kilns,based on the theoretical studies and experimental validations,the authors proposed the methods of adding more deflectors,restructuring kilns and optimizing the gap gradient of wood piles,which were calculated and analyzed by HyperWorks software.The simulation results demonstrated that the wind speed distribution uniformity of internal flow field of wood-drying kiln was improved after installing deflectors,restructuring of kiln and changing the gap gradient of wood piles.The simulation data would provide a basis for the improvement of the quality of wood-drying,which showed a great prospect for industrial applications.

关 键 词：木材干燥窑 HYPERWORKS 导流板 结构改造 材堆间隙 

分 类 号：S782[农业科学—木材科学与技术]