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本科毕业设计(论文)题目SFF型离心通风机设计学院机械工程学院年级专业班级学号学生姓名校内导师职称校外导师职称论文提交日期本科毕业设计(论文)诚信承诺书本人郑重声明:所呈交的本科毕业设计(论文),是本人在导师的指导下,独立进行研究工作所取得的成果。除文中已经注明引用的内容外,本论文不含任何其他个人或集体已经发表或撰写过的作品成果。对本文的研究做出重要贡献的个人和集体,均已在文中以明确方式标明。本人完全意识到本声明的法律结果由本人承担。本人签名:日期:本科毕业设计(论文)使用授权说明本人完全了解常熟理工学院有关收集、保留和使用毕业设计(论文)的规定,即:本科生在校期间进行毕业设计(论文)工作的知识产权单位属常熟理工学院。学校有权保留并向国家有关部门或机构送交论文的复印件和电子版,允许毕业设计(论文)被查阅和借阅;学校可以将毕业设计(论文)的全部或部分内容编入有关数据库进行检索,可以采用影印、缩印或扫描等复制手段保存、汇编毕业设计(论文),并且本人电子文档和纸质论文的内容相一致。保密的毕业设计(论文)在解密后遵守此规定。本人签名:日期:导师签名:日期:ISFF型离心通风机设计论文摘要伴随着社会快速发展的需要,风机在国民经济中的应用越来越广泛,因此风机的设计和制造不仅对风机领域的发展和技术的提高有着深远影响,而且风机设计中节能减排减震等的思想方案可以推广至各个生产领域。根据通风机气体流动方向的不同,通风机可以分为离心式、轴流式、斜流式和横流式等类型。其中按应用范围广泛程度来说,离心通风机因在矿井、锅炉、纺织、建筑物通风等众多场合均有涉及,所以应用远超其他类型通风机。本文献综述了在纺织机械中以三角胶带为传动方式的SFF型离心通风机的设计,该设计主要涵盖了离心通风机的工作原理、适用场合、发展现状、机械部分的组成等,以及分析了圆弧形前弯叶片的设计和小正方形法蜗壳型线的绘制等。考虑到通风机速度不高且伴有冲击,轴承座采用脂润滑结构,且整体设计中采取了加装整体减震支架的措施。关键字:离心通风机三角胶带前弯叶片IIThedesignofSFFtypecentrifugalfanAbstractAlongwiththerapiddevelopmentofsociety,thefanisusedmoreandmorewidelyinthenationaleconomy.Thereforethedesignandmanufactureoffannotonlyhaveafar-reachinginfluenceinthedevelopmentoffanandtheimprovementoftechnology,butalsotheschemethatenergysavingandcarbonemissionreduction,shockabsorptioninthedesignoffancanbeextendedtoallareasofproduction.Accordingtothedifferentdirectionofthegasflowintheventilator,itcanbedividedintothetypeofcentrifugal,axialflow,obliqueflowandcrossflow.Andaccordingtothewiderangeofapplications,asthecentrifugalfaninmine,boiler,textile,buildingventilationandotheroccasionsareinvolved,thecentrifugalfanhaveafarmoreapplicationthanothers.ThedocumentsumsupthedesignofSFFtypecentrifugalventilatortransmittedbytriangletapeintextilemachinery.Thisdesignmainlycoverstheprincipleofoperation,applicableoccasions,developmentsituation,thecompositionofmechanicalpartsandsoon.Aswellasanalysesthedesignofthecirculararccurvedbladeandthemethodofspiralcaseofthedrawinginasmallsquare.Takingintoaccountthespeedoffanisnothighandaccompaniedbyshock,thebearingseatsarelubricatedbygreaselubricationstructure.What’smore,ittakestheactionthatinstallingtheshockabsorberbracketinthewholedesign.Keywords:Centrifugalventilator;Triangletape;ForwardcurvedvaneIII目录摘要...............................................................................................................................IAbstract.......................................................................................................................II目录............................................................................................................................III1绪论.......................................................................................................................11.1.通风机的发展......................................................................................................11.2.通风机的分类......................................................................................................11.3.通风机的主要参数..............................................................................................21.3.1通风机的流量................................................................................................21.3.2通风机的压力................................................................................................21.3.3通风机的功率................................................................................................31.3.4通风机的效率................................................................................................31.3.5通风机的噪声................................................................................................41.3.6通风机的转速................................................................................................41.4.研究离心通风机的目的和意义..........................................................................42毕业设计综述.....................................................................................................52.1设计任务..............................................................................................................52.2主要问题及解决方法.........................................................................................52.3设计成果及风机优点..........................................................................................53离心通风机概述................................................................................................73.1离心通风机的工作原理......................................................................................73.2离心通风机的基本结构......................................................................................73.3离心通风机的主要零部件..................................................................................73.3.1叶轮................................................................................................................73.3.2进气装置........................................................................................................93.3.3前导器..........................................................................................................10IV3.3.4扩散器.............................................................................
本文标题:离心通风机设计毕业论文
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