1 Isimo Sentuthuko Yezangaphandle Nezangaphandle
IPipeline Coo2 Transport isetshenziswe phesheya, enamakhilogremu angaba ngu-6,000 we-CO2 emhlabeni, anomthamo ophelele we-150 mt / a. Amapayipi amaningi e-CO2 atholakala eNyakatho Melika, kanti amanye aseCanada, eNorway naseTurkey. Iningi lamabanga amade, amapayipi amakhulu e-CO2 akwama zwe aphesheya asebenzisa ubuchwepheshe bezokuthutha abaphezulu.
Ukuthuthukiswa kobuchwepheshe bokudluliselwa kwe-CO2 Pipeline eChina sekwephuze kakhulu, futhi akukho mapayipi avuthiwe okugcina amabanga amade. Lawa mapayipi angaphakathi kwe-oilfield ukuqoqa kanye namapayipi okuhambisa, futhi awathathwa njengePipelines CO2 ngomqondo wangempela.
2 Ubuchwepheshe obuhle bokuklanywa kwepayipi ye-CO2 Transport
2.1 Izidingo zezakhi zomthombo wegesi
Ukulawula izingxenye zegesi ezifaka ipayipi lokuhambisa, lezi zinto ezilandelayo zibhekwa kakhulu: ②Ukuhlangabezana nezidingo zokuhanjiswa kwepayipi okuphephile, ikakhulukazi ukulawula okuqukethwe kwamagesi anobuthi njengama-H2S kanye namagesi awonakalisayo, ngaphezu kokulawula ngokuqinile iphuzu lamanzi okuqinisekisa ukuthi akukho ndawo yamanzi yamahhala ngesikhathi sokudluliselwa kwamapayipi. (3) athobele imithetho kanye nemithetho kanye nemithetho yendawo ekuvikelweni kwemvelo; (4) Ngokwesisekelo sokuhlangabezana nezidingo ezintathu zokuqala, yehlisa izindleko zokwelashwa kwegesi ukhuphukela ngangokunokwenzeka.
2.2 Ukukhetha kanye nokulawulwa kwesigaba sesigaba sezokuhamba
Ukuze uqinisekise ukuphepha futhi wehlise izindleko zokusebenza kwepayipi ye-CO2, kuyadingeka ukulawula i-Pipeline Medium ukuze ulondoloze isimo sesigaba esizinzile ngesikhathi senqubo yokuhambisa. Ukuze uqinisekise ukuphepha futhi wehlise izindleko zokusebenza kwamapayipi e-CO2, kuyadingeka ukuthi uqale ulawule i-Pipeline Medium ukuze ulondoloze isimo sesigaba esizinzile ngesikhathi senqubo yokuhambisa, ngakho-ke ukuhanjiswa kwesigaba segesi noma ukuhanjiswa kwesimo sombuso ngokuvamile kukhethwa. Uma kusetshenziswa i-Gas-Phatation Transport, ingcindezi akufanele yeqe i-4.8 MPA ukugwema ukuhlukahluka kwengcindezelo phakathi kuka-4.8 no-8.8 MPA nokwakheka kokugeleza kwesigaba ezimbili. Ngokusobala, ngevolumu enkulu namaphepha amade e-CO2 amapayipi e-CO2, kunenzuzo ethe xaxa ukusebenzisa ukudluliselwa okukhulu okucatshangelwa ukutshalwa kwezimali kobunjiniyela kanye nezindleko zokusebenza.
2.3 Umzila nokuphakanyiswa kwendawo
Ekukhetheni komzila we-Co2 Pipeline, ngaphezu kokuvumelanisa ukuhlela kohulumeni basekhaya, izindawo ezivikelekile zemvelo, izindawo zasemayini, izindawo zasemayini, izindawo, ukungena komoya, njll. Ngenkathi sikhetha umzila, kufanele Hlaziya izindawo eziphakeme kakhulu zepayipi, futhi ngasikhathi sinye zithatha ukuvikelwa okuhambisanayo kanye nezindlela zokuqala zokuxwayisa. Lapho ukhetha indlela, kunconywa ukusebenzisa idatha yokuzwa okukude se-satellite yokuhlaziywa kwe-terrain inundation, ukuze kunqunywe indawo ephezulu yepayipi.
2.4 Izimiso ze-Valve Chamber Design
Ukuze ulawule inani lokuvuza lapho kwenzeka ingozi yepayiphu yengozi futhi yenza lula ukulungiswa kwe-pipeline, i-valve cut-off valve Chamber ngokuvamile isethwe kude nge-pipeline. Isikhala se-valve Chamber siyoholela enanini elikhulu lokugcina ipayipi phakathi kweCalve Chamber nenani elikhulu lokuvuza lapho kwenzeka ingozi; Isikhala se-valve Chamber sincane kakhulu sizoholela ekwandeni kokutholwa komhlaba kanye nobunjiniyela bokutshala imali, kuyilapho i-valve Chamber uqobo ithambekele endaweni yokuvuza, ngakho-ke akulula ukusetha ngokweqile.
Ukukhetha okungu-2.5 kokuhlanganiswa
Ngokusho kwesipiliyoni sakwamanye amazwe ekwakheni kwe-CO2 Pipeline Construction and OUCTION, akunconywa ukusebenzisa ukuhlanganiswa kwangaphakathi kokuvikelwa kokugqwala noma ukuncishiswa kokuphikiswa. I-anticorrosion coation ekhethiwe yangaphandle kufanele ibe nokumelana okungcono okuphansi kokushisa. Ngesikhathi senqubo yokubeka ipayipi ekusebenzeni nasekugcwaliseni ingcindezi, izinga lokukhula kwengcindezi lidinga ukulawulwa ukuze ligweme ukukhuphuka kwezinga lokushisa ngenxa yokuhluleka okusheshayo kwengcindezi.
2.6 Izidingo ezikhethekile zemishini nezinto zokwakha
(1) Ukusebenza kokubekwa uphawu kwemishini nama-valve. (2) I-lubricant. (3) ukuyeka ukuqhekeka ukusebenza.
Isikhathi sePosi: Jun-14-2022