| 混流式粮食烘干塔动态热力信号系统特性分析 |
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| 引用本文： | 唐晓健,张吉礼,陆亚俊,刘辉. 混流式粮食烘干塔动态热力信号系统特性分析[J]. 哈尔滨工业大学学报, 2004, 36(5): 631-634 |
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| 作者姓名： | 唐晓健 张吉礼 陆亚俊 刘辉 |
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| 作者单位： | 哈尔滨工业大学,市政环境工程学院,黑龙江,哈尔滨,150000;哈尔滨工业大学,市政环境工程学院,黑龙江,哈尔滨,150000;哈尔滨工业大学,市政环境工程学院,黑龙江,哈尔滨,150000;哈尔滨工业大学,市政环境工程学院,黑龙江,哈尔滨,150000 |
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| 基金项目： | 国家自然科学基金资助项目(59908001). |
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| 摘 要： | 建立了混流式粮食烘干塔动态热力模型，利用实际运行记录验证了该模型的正确性；详细分析了影响烘干塔出口粮食水分的关键因素，指出热风温度和原粮水分的变化影响较大，而环境温度和原粮温度则影响较小。建立的粮食烘干过程信号系统优化模型为烘干塔的自动控制奠定了基础。
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| 关 键 词： | 混流式粮食烘干塔 信号系统 动态建模 仿真 参数优化 |
| 文章编号： | 0367-6234(2004)05-0631-04 |
| 修稿时间： | 2002-09-28 |
Optimization of the thermodynamic signal system of a mixed-flow grain dryer model |
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| TANG Xiao-jian,ZHANG Ji-li,LU Ya-jun,LIU Hui. Optimization of the thermodynamic signal system of a mixed-flow grain dryer model[J]. Journal of Harbin Institute of Technology, 2004, 36(5): 631-634 |
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| Authors: | TANG Xiao-jian ZHANG Ji-li LU Ya-jun LIU Hui |
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| Abstract: | Analyzing the thermodynamic model and optimizing the signal system serve as the base of the grain dryer control. A thermodynamic model of a mixed-flow grain dryer has been developed and validated by practice records. On the basis of this model, the influence of hot air temperature and volume,the initial temperature and moisture content of grain have been valued in detail. Key factors which weigh heavily to the outlet grain moisture content are presented and an optimal signal model of grain drying process has been proposed. |
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| Keywords: | mixed-flow grain dryer signal system thermodynamic model simulation parameter optimizing |
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