文档介绍：船用空调通风系统安装施工工艺规范INSTALLATIONANDCONSTRUCTIONTECHNICALRULESFORMARINEAIRCONDITIONER&VENTILATIONSYSTEM一、概述: General空调及通风系统中需要采用预隔热螺旋风管、单层螺旋风管、镀锌薄板矩形风管、板材焊接风管(钢质风管)及通风附件等,根据设计要求,落实风管及附件规格型号、数量,采用螺旋风管、镀锌方风管或板材焊接风管,严格按风管制作工艺和规范要求执行生产安装。Theairconditionerandventilationsystemshalladoptthepre-insulatedspiralairduct,singlelayerspiralairduct,galvanizedsheetrectangleairduct,plateweldedairduct(steelairduct),andselectthesuitableairduct,,、施工程序:空调工程A/CPROJECT风管制作、吊装AIRDUCTFABRICATEANDLIFT空调设备安装、空调管道和工艺管道安装INSTALLA/CUNIT,A/CPIPEANDPROCESSLINE风管、空调管道和工艺管道清洗CLEANAIRDUCT,A/CPIPEANDPROCESSLINE风管漏光检查LIGHTLEAKTESTOFDUCT空调管道和工艺管道试压PRESSURETESTOFA/MISSIONINGOFSINGLEUNIT风管保温、EPTION空调系统测试、产品测试TESTA/CSYSTEM,TESTPRODUCTS三、风管制作Manufacturetheairduct(1)镀锌矩形风管Galvanizedrectangleairduct镀锌矩形风管连接可采用翻边、铆接和焊接,风管与角钢法兰连接时,,一般采用翻边铆接,翻在法兰的外侧,用角尺靠在风管的纵向折角边上,使风管中心线与法兰平面保持垂直,翻边的尺寸应为6-9mm。法兰用料规格较小的可取上限值,规格较大的取下限值,防止翻边卡住螺孔,影响组装,咬口重叠处,翻边时应将突出部分铲平,同时四角不应出现豁口,以免漏风,铆钉距离不可大于120mm。Connectionofrectangleairducttheflanging,rivetjointingandweldingcanbeadopted,theconnecttheairductandanglesteelflange,,generally,flangingandrivetjointingcanbeadopted,atfirsttheairductshallbeturnedovertheoutsideoftheflange,andthecenterofairductandthesurfaceofflangeshallkeepverticalmeasuredbythesetsquare,dimensionofthefoldedselvedgeis6-,ifitisbigtakethelowerlimitvalue,donotblocktheboltholestoaffecttheinstallationofairduct,theoverlapshallbesmooth,andthefouranglesshallbetight,thedistancebetweenrivetshallnotmorethan120mm.(2)螺旋风管Spiralairduct螺旋风管是由宽135mm、,采用自动化机械将之卷成螺旋状,风管轻、厚度薄、强度高。该风管可增加风管强度与韧性,气密性极佳,风速强、磨擦损失小。内管可以采用冲孔板制成,,外层再以螺旋风管被覆在保温材料上。Thespiralairductismadebygalvanizedironsheet(width135mm,),theairducttheadvantageoflight,