Uketshezi lwe-Cryogenic olufana ne-liquid nitrogen (LN2), i-liquid hydrogen (LH2), kanye negesi yemvelo engamanzi (LNG) ibalulekile ezimbonini ezihlukahlukene, kusukela ekusetshenzisweni kwezokwelapha kuya ekukhiqizeni amandla. Ukuthuthwa kwalezi zinto ezinezinga lokushisa eliphansi kudinga amasistimu akhethekile ukuze kugcinwe izinga lokushisa elibandayo kakhulu futhi kuvimbele ukuhwamuka. Obunye bobuchwepheshe obusebenza kahle kakhulu bokuthutha uketshezi lwe-cryogenic yi- vacuum insulated ipayipi. Ngezansi, sizohlola ukuthi lezi zinhlelo zisebenza kanjani nokuthi kungani zibalulekile ekuthutheni ngokuphephile uketshezi lwe-cryogenic.

Inselele Yokuthutha I-Cryogenic Liquids

Uketshezi lwe-Cryogenic luyagcinwa futhi luthuthwe emazingeni okushisa angaphansi kuka -150°C (-238°F). Emazingeni okushisa aphansi kangako, avame ukuhwamuka ngokushesha uma echayeke ezimweni ezizungezile. Inselele enkulu ukunciphisa ukudluliswa kokushisa ukuze kugcinwe lezi zinto zisesimweni sazo soketshezi ngesikhathi sokuthutha. Noma yikuphi ukunyuka kwezinga lokushisa kungabangela ukuhwamuka okusheshayo, okuholela ekulahlekeni komkhiqizo kanye nezingozi zokuphepha ezingaba khona.

Vacuum Insulated Pipeline: Isihluthulelo Sezokuthutha Eziphumelelayo

Vacuum amapayipi afakwe i-vacuum(ama-VIP) ayisixazululo esibalulekile sokuthutha uketshezi lwe-cryogenic emabangeni amade ngenkathi kunciphisa ukudluliswa kokushisa. Lawa mapayipi ahlanganisa izingqimba ezimbili: ipayipi elingaphakathi, elithwala uketshezi lwe-cryogenic, nepayipi elingaphandle elivale ipayipi elingaphakathi. Phakathi kwalezi zingqimba ezimbili kune-vacuum, esebenza njengesithiyo sokuvikela ukunciphisa ukuqhutshwa kokushisa nemisebe. Ivacuum insulated ipayipiubuchwepheshe kunciphisa kakhulu ukulahlekelwa kwezinga lokushisa, kuqinisekiswe ukuthi uketshezi luhlala ezingeni lokushisa elidingekayo kulo lonke uhambo lwalo.

Isicelo ku-LNG Transportation

I-Liquefied natural gas (LNG) iwumthombo kaphethiloli odumile futhi kufanele uthuthwe emazingeni okushisa afinyelela ku -162°C (-260°F).Vacuum amapayipi afakwe i-vacuumasetshenziswa kakhulu ezikhungweni ze-LNG namatheminali ukuhambisa i-LNG isuka emathangini okugcina iye emikhunjini noma kwezinye iziqukathi zokuthutha. Ukusetshenziswa kwama-VIP kuqinisekisa ukungena okuncane kokushisa, kunciphisa ukwakheka kwe-boil-off gas (BOG) nokugcina i-LNG isesimweni sayo soketshezi ngesikhathi sokulayisha nokuthulula.

I-Liquid Hydrogen kanye ne-Liquid Nitrogen Transportation

Ngokufanayo,vacuum insulated amapayipizibalulekile ekuthuthweni kwe-liquid hydrogen (LH2) ne-liquid nitrogen (LN2). Isibonelo, i-hydrogen ewuketshezi ivame ukusetshenziswa ekuhloleni umkhathi kanye nobuchwepheshe bamaseli kaphethiloli. Iphuzu layo lokubilisa eliphansi kakhulu elingu -253°C (-423°F) lidinga amasistimu okuthutha akhethekile. Ama-VIP ahlinzeka ngesisombululo esifanele, okuvumela ukuhamba okuphephile nokusebenza kahle kwe-LH2 ngaphandle kokulahlekelwa okukhulu ngenxa yokudlulisa ukushisa. I-nitrogen ewuketshezi, esetshenziswa kabanzi ekusetshenzisweni kwezokwelapha nezimboni, nayo iyazuza kuma-VIP, iqinisekisa izinga lokushisa elizinzile kuyo yonke inqubo.

Isiphetho: Iqhaza likaVacuum Insulated Pipelines Esikhathini esizayo se-Cryogenics

Njengoba izimboni ziqhubeka nokuthembela oketshezini lwe-cryogenic, vacuum insulated amapayipiizodlala indima ebaluleke kakhulu ekuqinisekiseni ezokuthutha zabo eziphephile nezisebenza kahle. Ngamandla abo okunciphisa ukudluliswa kokushisa, ukuvimbela ukulahleka komkhiqizo, nokuthuthukisa ukuphepha, ama-VIP ayingxenye ebalulekile emkhakheni we-cryogenic okhulayo. Ukusuka ku-LNG kuye ku-hydrogen ewuketshezi, lobu buchwepheshe buqinisekisa ukuthi uketshezi olunezinga lokushisa eliphansi lungathuthwa ngomthelela omncane wendawo kanye nokusebenza kahle okukhulu.