基于（火用）理论的稻谷节能干燥工艺研究及干燥机设计-农业工程专业论文.docxVIP

UllIIIIIIlUllMIIIIIIIIIIIIIIIIIIIIIIlll目 UllIIIIIIlUllMIIIIIIIIIIIIIIIIIIIIIIlll 目 录 “ 2谷物干燥系统能效评价 ．8 3节能干燥系统工艺参数的研究 ．．1 8 万方数据 东北农业大学工程硕士学位论文3．3．4干燥工艺效果对比 东北农业大学工程硕士学位论文 3．3．4干燥工艺效果对比 29 3．4小结 ．30 4基于炯理论与节能千燥工艺的干燥机设计研究 3 1 4．1干燥机结构及工作原理 31 4．2干燥机整机设计 33 4．2．1干燥机的干燥能力 33 4．2．2干燥机主要尺寸的确定 ．33 4．2．3干燥机输送装置的确定 ．34 4．2．4干燥机风机的选型 36 4．3干燥工艺系统设计 37 4．3．1工艺系统基本原则 37 4．3．2引风设计原理 37 4．3．3风路设计 37 4．3．4变风量工艺 38 4．3．5缓苏工艺 38 4．4工艺流程及参数确定 39 4．5相似准则的建立与验证 39 4．6，J、结 ． 42 5结论 ．43 5．1主要结论 43 5．2研究特色与创新 43 5．3不足与完善 ．．43 致j射 一44 参考文献 ．45 攻读硕士学位期间发表的学术论文 一50 11 万方数据 CONTEN，rSCoNTENTS CONTEN，rS CoNTENTS Abstract ． l Abstract in English ．． ．．． ．．．．．． ．．．． ．．．．．．．．．． ．．． ． ． ．． ．．． ． ．． ．．．．．．．．．．．．．．．． ．．III 1．Introduction l 1．1 Research purpose and significance 1 1．I．1 Research purpose ． 1 1．1．2 Research significance ．1 1．2 Domestic and abroad research situation ．．2 1．2．1 The research ofthe grain drying theory ．2 1．2．2 The research ofthe grain drying equipment ．4 1．2．3 The research ofthe grain drying process 5 1．3 Research contents ．6 1．4 Technical route ．．7 2．Grain drying system efficiency evalnation ．8 2．1 Objective potential energy analysis in the grain drying system ．．8 2．2 Exergy function ofthe drying system ．．9 2．2．1 Balance between system and environment ．j ．9 2。2。2 Selection of exergy reference state 1 O 2．2．3 A variety of exergy in the drying process 11 2．3 Energy analysis and exergy analysis in the grain drying system ．．13 2．4 Characteristics and evaluation standard of exergy transfer in the grain drying system ．．1 3 2．4．1 Exergy transfer rule between the grain and the drying medium 14 2．4．2 Structure and efficiency of enthalpy exergy in the chamber 。．．。．．．．． ．． 。。。．． ．．．。．．．．． ．1 5 2．4．3 Exergy efficiency ofthe drying system ． ．．16 2．5 Summary ． ． ．1 7 3．Research of process parameters of the energy—saving drying system 1 8 3．】Materials and methods ．18 3．1．1 Experimental instruments and equipment ．．18 3．1．2 Experimental procedures and methods ．19 3．1．3 Index det