简介:摘要:通风空调制冷机组管道施工是安装空调工程施工中的一个关键步骤,制冷机组管道施工一旦出现难题,将会引发一系列安全隐患。因而,施工队伍要全面了解并了解安装简单方式,保证工业化生产时的稳定和稳定性,确保大家应用期内安全性,提升大家的生活质量和生活品质,进而进一步提高在我国智能控制系统组装技术实力,推动生产制造通风空调领域内的持续发展和兴盛。
简介:Sincetheexcessivecapacityinsteelmakingandcontinuouscastingatpresent,andthelimiteddevelopmentmarginofCCtechnologyandequipmentinscale,thefurtherdevelopmentmustbemadeinaprofoundanddetailizedway.ThispaperenumeratestheitemsofCCtechnologyandequipment,whichneedtobedetailizedfromseveralaspectssuchasrollarrangementdesign,equipmentdesignandproductionoperation,anditpointsoutthatdetailizationisthefuturedirectionofCCtechnologyandequipment.Theitemsinrollarrangementdesignincludeeliminatingperiodicmeniscusfluctuationbyadjustingspacebetweenrollsreasonably;takingspecialmeasurestoavoiddangerousregionsofcastingspeed,inordertoreducethecenterporosityandcenterlinecrackofslab;optimizingthemajorradiusandthelengthofouterarcofcasterbeforestraighteningpointtoavoiddangerousregionofcastingspeed.Theitemsinequipmentdesignincludechoosingasuitablestructureofsupportandguidingrollaccordingtotheconcreteconditionsofcaster;accordingtobulgingshapeofslab,thinkingmoreaboutrestrictionofshelltobulgingforce,discussingtheforceonrollers,optimizingsplitrolltosupportslab;safetyfactorshouldbeconsideredtogetherwithcalculationmethodofthebearingnominalstaticload.Theitemsinaspectsofcontinuouscastingoperationincludethedelicacydivisionandthefunction-positioningofoperationmodesforCCmachineduetotheconsiderationofdynamicsoftreduction;monitoringandcontrollingsystemofCCmachinemustbefurtherdetailizedtoimprovethestabilityofproductionoperationandslabquality.Inadditiontothethreeaspectsmentionedabove,thisarticlepointsoutmanyotheritemsalso,suchashomogenizationofsecondarycoolingofslab,qualitycontrolofsurfaceandinternalofslab,andsoon.Thisarticleemphasizes,somekeytechnologiesneedtoberesearchedalso,andalltheseresearcheswillneverstop.
简介:摘要CC-Link(controlcommunicationlink)为三菱公司的一种现场总线网络。CC-Link系统通过使用专用的电缆将分散在不同地点的I/O模块、特殊模块等控制设备连接起来,并且通过PLC的CPU来控制这些相应的模块,以实现高速的网络通信,以及远距离控制、节省配线等作用。