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1、YourSourcefor…GlobalPipelineSolutions您身邊的管道綜合服務(wù)專家PROJECTDESCRIPTIONOFSECCO20INTANKTAP上海賽科20”,14”罐體開(kāi)孔的項(xiàng)目介紹March17,2009TDW(Shanghai)PipelineTechnology&ServicesCo.,Ltd.逖帝威廉森（上海）管道技術(shù)服務(wù)有限公司CONTENT目錄?ProjectIntroduction項(xiàng)目簡(jiǎn)介?TDWSolutionTDW解決方案?HSEManagementHSE管理?Performance項(xiàng)目完成情況PROJECTINTRODUCTION項(xiàng)目簡(jiǎn)介Cust
2、omer,ShanghaiSeccoPetrochemicalCo.,Ltd.Attheolefinplant,onequenchoiltowercannotreachit’sprocessgoalssincedividernetblock,needtotie-innewoutletpipe,thenpumpthequenchoilinthebottomofthetowertoincreasetowerworkingefficiency.賽科公司烯烴裝置急冷油塔因?yàn)閮?nèi)部阻凝網(wǎng)阻塞，不能達(dá)到預(yù)期的工藝目的。因而需要在罐體上接出新的管道出口，接管后由泵對(duì)塔底急冷油強(qiáng)制循環(huán)，從而改善工藝效率。PRO
3、JECTINTRODUCTION項(xiàng)目簡(jiǎn)介10438mmChallengeoftheproject?Thesystemcan’tbeshutdown不能停產(chǎn)施工1）The900ktpaethyleneplantishighestproductionLiquidlevelcapacityintheworld,hugelostifdownoneday.90萬(wàn)噸乙烯/年，為世界最大裝置。停產(chǎn)損失巨大。2）Itisdifficulttohandlethecontentsinsidethetower.Dividernet對(duì)于工藝來(lái)說(shuō)，處理和安置塔內(nèi)介質(zhì)非常困難。?Positionofthetapping帶
4、壓開(kāi)孔的位置1）apositionbetweentheliquidlevelanddividernet工藝要求開(kāi)孔位置應(yīng)在液面和濾網(wǎng)面之間2）thefittingandtappingmachineshouldnotbe12747mminstalledinsidesupportskirt.開(kāi)孔機(jī)和管件不能安裝在裙柱之內(nèi)。Supportskirt?Dangerousproduct危險(xiǎn)的塔內(nèi)介質(zhì)1）Hightemperatureofduringtheoperation(200℃）施工過(guò)程中塔內(nèi)的高溫介質(zhì)。2）AboveflushpointGround介質(zhì)在閃點(diǎn)之上。?Urgenttiming工期緊張
5、TDWSOLUTIONTDW的解決方案ThetechnologyofHottapping塔體帶壓開(kāi)孔技術(shù)?TDWhassuppliedatechnologyofHottapping,whichissafeandallowtie-inthenewpipeintothetankwithlowestcostandwithoutshutdownthesystem.?TDW采用了塔體帶壓開(kāi)孔技術(shù)，從而以最低的成本在系統(tǒng)不停產(chǎn)的情況下安全的實(shí)現(xiàn)了新的塔體外輸管線的連接。WeldingtheFitting開(kāi)孔管件的焊接?NDTServices/Supervisionisamustafterweldingjo
6、bfinish.焊接完成后進(jìn)行焊縫的無(wú)損檢測(cè)。Weldingpositions焊接位置TDWSOLUTIONTDW的解決方案InstalltappingValve安裝開(kāi)孔閥門Getallthenecessarymeasurement準(zhǔn)確測(cè)量開(kāi)孔所需的各尺寸TDWSOLUTIONTDW的解決方案InstalltappingMachine安裝開(kāi)孔機(jī)InstallationTappingmachineandpressuretest,anddoairreplacement(usingnitrogen)安裝開(kāi)孔機(jī)并進(jìn)行整個(gè)施工空腔的密封試驗(yàn)和空氣置換(用N2)TDWSOLUTIONTDW的解決方案Com
7、menceTapping進(jìn)行管道開(kāi)孔R(shí)etractcuttertoadapterwhentappingfinish開(kāi)孔結(jié)束后收回切刀到適配器內(nèi)?Holdthecouponbypilotdrill通過(guò)導(dǎo)向鉆取出切塊TDWSOLUTIONTDW的解決方案CompleteTapping完成管道開(kāi)孔?Closeisolationvalve?關(guān)閉開(kāi)孔閥?Bleedoffpressuretoatmospher
