Imilambo, imizila yokuqokelela, ukuhanjiswa, ukuhanjiswa, kunye nemigca yesevisi
Iipayipi zihlala zingcwatywa phantsi komhlaba. Abamakishi bepayipi abahlali phantsi ngqo kwimibhobho
Iintlobo zeMigqa yeGesi: Imida
Iimpawu ezihambayo zidibanisa kwisihlunu esisodwa kwintsimi yokuvelisa. Iimpawu ezihambayo zihambisa igesi yendalo ukusuka kwisihluthulelo ukuya kwiitanki zokugcina, izitishi ze-compressor, okanye izitshini zokukhuthaza izityalo. Iimpawu zeempawu zixinzeleleka ziphethe igesi engcolileyo engaxutywanga malunga ne-250 psi (iipounds nge-intshi nganye).
Ngokuqhelekileyo, bangcwatyelwa iinyawo ezine phantsi komhlaba kwaye banokudubula, ingakumbi ukuba bathatha igesi emanzi. Ziye zithinteka ukukhishwa kwemetane - ngokutsho kwe-EPA, "Ukuvuza kweMethane ukusuka ekuphumeni kwemithombo yinto enye yemithombo emikhulu yokukhutshwa kwishishini legesi."
Iintlobo zeMigqa yeGesi: Ukuqokelela iMida
Imizila yokuqokelela iqokelela i-gas ukusuka kwiindawo ezininzi ezihambayo kwaye isithumela kwiindawo eziphambili, ezifana nezixhobo zokucwangcisa, iitank, okanye iinqanawa zasolwandle. Imigca yokuqoqa ibinzana beesibhodi zensimbi eziqhelekileyo (ngokuqhelekileyo phantsi kwe-18 "ububanzi) obungenawo umgangatho, igesi ekhusiweyo kwixinzelelo malunga ne-715 psi.
Ngokuqhelekileyo, ukuqokelela imizila kungcwatywa ngeenyawo ezine ngaphantsi komhlaba kwaye kuthathe umxholo ochaphazelekayo onokuchaphazela intembelelo yepipeline kwiminyaka embalwa.
Iintlobo zeeGesi zemiGaqo: Ukuthunyelwa kweePipeline
Iipayipi zokuhambisa izithwala igesi yendalo kwimimandla emide kunye nakwezinye iindawo kwimida engaphandle, ngokuqhelekileyo ukuya kwi-compressors okanye kwindawo yokuhambisa okanye indawo yokugcina.
Imigca yokudlulisa inkulu yamabhobho ensimbi (ngokuqhelekileyo i-2 ukuya kwi-intshi ezingama-42 ububanzi; ininzi idlula ngaphezu kweeyintshi ezili-10 ububanzi) elawulwa ngokusemthethweni. Bathwala igesi engabonakaliyo ngokuxinzelelo malunga nama-200 ukuya kuma-1,200 psi.
Iipayipi zokuhambisa ziyakwazi ukuphumelela ngenxa yokuba:
- ukuhluleka komthungo
- ukubola
- ukuhluleka kwezinto
- welding defective
Iintlobo zeMigca yeGesi: Ukwabiwa kweePipeline
Imijelo yokupakisha, eyaziwa nangokuthi "ngamanxiwa," yinyathelo eliphakathi phakathi kwemigudu yokudlulisa uxinzelelo oluphezulu kunye nemigca yenkxaso ephantsi. Iipayipi zokusabalalisa zisebenza ngcinezelo oluphakathi. Olu hlobo lombhobho lusebenzisa iipayipi ezincinci ezincinane (2 "ukuya ku-24" ububanzi) ezilawulwa ngumbuso kwaye zithwala igesi echanekileyo kumanqanaba oxinzelelo, ukusuka kwincinane nje nge-0.3 ukuya kwi-200 psi.
Ukuhambisa iipayipi ngokuqhelekileyo kusetyenziswa ngaphantsi kwamandla abo okuthwala kwaye kwenziwa kwintlobo yezinto eziphathekayo, kubandakanywa isinyithi, isinyithi yentsimbi, iplastiki, kunye nexesha lobhedu.
Iintlobo zeMigca yeGesi: IiNkonzo zeePipeline
Iinkonzo zamaseyile zidibanisa kumitha ehambisa igesi yendalo kumakhasimende ngabanye. Imiphobho yeenkonzo zineemibhobho emancinci (ngokuqhelekileyo ngaphantsi kwe-2 "ububanzi) ephethe igesi ephosiweyo kwiimfuno eziphantsi, ezifana ne-6 psi. Iipayipi zenkonzo zenziwe ngokusesikweni kwiplastiki, isinyithi okanye ubhedu.