2D12-700.4-16-对称平衡型空气压缩机

XX科技大学毕业设计（论文）设计(论文)题目：2D12-70/0.4-16对称平衡型空气压缩机姓名学院（系）专业年级指导教师2015年5月28日太原科技大学毕业设计（论文）I太原科技大学毕业设计（论文）任务书学院（直属系）：时间：年月日学生姓名指导教师设计（论文）题目2D12-70/0.4-16对称平衡型空气压缩机设计主要研究内容Ⅰ级名义吸气压力MPaPI14.01（绝压）吸气温度181IT℃Ⅱ级名义排气压力MPaPII7.12（绝压）吸气温度301IIT℃排气量(I级吸入状态)nmimVd370相对湿度φ=0.8照给定的设计参数，进行压缩机的热力计算和动力计算。确定压缩机的基本结构形式和主要零件的结构尺寸，完成压缩机总体布置和设计，完成主要零件的强度校核。研究方法计算，设计主要技术指标(或研究目标)确定压缩机的基本结构形式和主要零件的结构尺寸，完成压缩机的总体布置和设计，完成主要零件的强度校核，编写毕业设计说明书1份，并画出装配图1张，主要零件图3张。教研室意见教研室主任（专业负责人）签字：年月日太原科技大学毕业设计（论文）II2D12-70/0.4-16对称平衡型空气压缩机设计摘要活塞式空气压缩机是工业上使用量大、涉及面广的一种机械，有多种结构形式。对称平衡型空气压缩机属于其中一种，属于容积式压缩机，是利用活塞在气缸中运动对气体进行挤压，使气体压力提高。活塞式空气压缩机设计需要进行的是热力、动力计算以及各种零部件的选取和校核。研究活塞式空气压缩机的目的是为了透彻理解压缩机的性能，使压缩机拥有更好的效率及使用条件，并进行技术改造，使设计出的压缩机更加合理。关键词：活塞式压缩机；热力计算；动力计算；机械效率太原科技大学毕业设计（论文）IIIThedesignof2D12-70/0.4-16airreciprocatingcompressorAbstract:Pistontypeaircompressorisalargeindustrialusage,widefaceofakindofgeneralmachinery,hasavarietyofstructuralform.Symmetricalbalancetypeaircompressorsbelongtothedisplacementcompressor,istheuseofthepistoninthecylindermovementtoextrusionofgas,increasethegaspressurePistontypeaircompressordesignisneedtoheat,powercalculationandselectionofvariouspartsandcheck.Studypistontypeaircompressorinordertothoroughlyunderstandtheperformanceofthecompressor,thecompressorhasbetterefficiencyandconditionsofuse,andtechnicalrenovation,makethedesignofthecompressorismorereasonable.Keywords:pistoncompressor;thermalcalculation;dynamicalcomputation;mechanicalefficiency太原科技大学毕业设计（论文）IV摘要......................................................................................................................................................II第一章引言..........................................................................................................................-1-1.1压缩机的用途.....................................................................................................................-1-1.2压缩机设计的目的...........................................................................................................-1-1.3压缩机的工作原理...........................................................................................................-1-1.4活塞压缩机的分类...........................................................................................................-1-1.5压缩机的发展前景...........................................................................................................-2-1.6压缩机设计说明................................................................................................................-2-第二章总体设计..............................................................................................................-4-2.1设计依据及参数................................................................................................................-4-2.2总体设计原则.....................................................................................................................-4-2.3结构方案的选择................................................................................................................-5-2.3.2级数选择.........................................................................................................................-5-2.3.3转速和行程的确定......................................................................................................-5-第三章热力计算.................................................................................................................-6-3.1确定各级压力比................................................................................................................-6-3.2名义进、排气压力...........................................................................................................-6-3.3初步计算排气温度...........................................................................................................-6-3.4计算排气系数.....................................................................................................................-7-3.5各级排气系数计算...........................................................................................................-8-3.6计算各级凝析系数及抽气系数...................................................................................-9-3.7初步计算气缸行程容积................................................................................................-10-3.8确定活塞杆直径.............................................................................................................-10-3.9计算气缸直径..................................................................................................................-10-3.10气缸实际行程容积，各级名义压力及压力比..................................................-10-3.11按修正后的名义压力计算缸内实际压力...........................................................-12-3.12计算各级实际排气温度.............................................................................................-13-3.13复算排气量....................................................................................................................-13-3.14计算活塞面积................................................................................................................-14-3.15计算功率，选取电机...........................