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1、塔器吹扫、试压、充瓦斯方案2million400thousandtons/yearcokingcombinedunitSchemeofpurging,pressuretestingandgasfillingfortower1.Towerblowing,purgingandpressuretestingThroughblowingisdividedintonitrogenpurgedisplacementandsteamblowingtestpressure.2.Mattersneedingattentioninsteamb1owing,purgingandpressure
2、testing1),towersteampressuretestforsteamslowlytopreventaccidentofsteamspeedoverthetraybigbad;ifthereisleakage,pressurereliefmustbetreatment,aftertreatmentofthepressuretest,untilnoleakage,andrecord;withdrawthepressuretocontinuetosteamsteamquantity,preventtheformationofavacuumpumpedintothea
3、ir.2)steamthroughblowingandpressuretestingshouldbecarriedoutbysteamblowing,blowingandpressuretesting,andcooperatingwithgasfillingprocess・3)afterthetowerisblownandtested,thesteaminthetowershouldbedischarged,andthemicropositivepressureshouldbekept・Meanwhile,thegasshouldbefilledtopreventthet
4、owerfrombeingdamagedbynegativepressure・Thegasfillingprocessshouldbefilledwithgas・4)theblowingofthetowermustfirstcatchtheair,thenpreheatit,andthentestthepressureofthetowerbeforeitispreheated・3,towerthroughblowing,pressuretestsequenceandprocess1)absorptiontowerC301throughblowingandpressuret
5、estingprocessThebottomoftheabsorberC301issuppliedwithsteam,thetowerbottomisdehydratedandthetowertopisemptied・2)C303blowingthroughandpressuretestingprocessofreabsorptiontowerThebottomoftheabsorberC303issuppliedbysteamtothebottomofthetowerandthetowerisemptied・3)theprocessofpurgeandpressuret
6、estofdesorptiontowerDesorptiontowerC302bottomfeedsteamdesorptiontowerC302(towerbottomdehydration,towertopemptying)-compressoroutletaircoolerEA301-compressoroutletliquidtankV301(tankbottomdehydration,tanktopemptying)・4)theblowingthroughandpressuretestingprocessofthestabletowerThebottomofth
7、estabilizertowerissuppliedbysteamtothestabletowerC304(towerbottomdehydration,towertopemptying).ThetowertopcoolerEA302AB(EA302line)isstabilized,andtherefluxtankC304ofthestabilizationtowerV302refluxtank(tanktopemptyingandtankbottomdehydration)isused・1)compressoroutlet
