大型空分设备检修实践

:2007209229:(1954),,,,(,215625):20000m3/h,,,,:;;:TQ116111:BPracticeinthemaintenanceoflargescaleairseparationunitsYuanJia2yu(OxygenFactory,ShagangGroupCo1,Ltd1,JinfengTown,Zhangjiagang215625,Jiangsu,P.R.China)Abstract:Takingthe20000m3/hairseparationunitasanexample,thepointsofmaintenanceoflargescaleairseparationunitareintroduced.Theemphasisisfocusedonanalyzingthemaintenanceschemeandconcreteimplementationprocessoftheequipmentsandpipelinesincoldbox.Theexaminationandrepairofaircompressor,aircoolingtowerandothercomponentsaredescribed.Finally,thecautionsduringtherestartofairseparationunitaftermaintenancearealsopointedout.Keywords:Largescaleairseparationunit;Maintenance;Coldbox,,,,,,1(1),,,70m,,,,(2),,,,,,(3),,,,,,(4),,,,22(5),,,,(6)(DN40mm),2(1)3,,(2),(),,25%,,,(3),,,,,,(4),(400mm),,;,,,,()3,,,,,,311,:,,;,,,,,,:,115kPa,,,,(),31220000m3/h,68m,4500m31012:,,DN250mmPVC,,,115kPa,,,,,,:;,;,,,;,,,,,,;4411:,,,,121541111:;32,;;;;;;;:;;;,15t,,41112,,,,,,,,:,,;,,,:,,,,,,,,,41113,,,,,,,41114:99%,12,,,,,99%41115,,,,,1020kPa,(),,,,,41116,,,;,,,412,(1)39,77%100%,,,11(2),,,,,,,,11,,,,42(3),11,21,4,,,,1724AMS,180,;,2,,;,;(4),,,,,:,5,,,,,,,6:,;,85%,,,,:;;,,;,,;;,,;,;,,¬15000m3/h(:)15000m3/h(:),2007922,,15000m3/h510,3,01450147,,,15000m3/h:,;,01530155,,,52