Injin Injiniyan Al'ajabi na bututun jacket mai injin

Injin mai rufe bututun injin(VIP), wanda kuma aka sani da bututun jacketed vacuum (VJP), yana amfani da injin cire zafi mai yawa (10⁻⁶ Torr) tsakanin layukan ƙarfe masu kauri don cimma canjin zafi kusan babu sifili. A cikin kayayyakin more rayuwa na LNG, waɗannan tsarin suna rage yawan tafasa kowace rana zuwa ƙasa da 0.08%, idan aka kwatanta da 0.15% ga bututun da aka yi da kumfa na gargajiya. Misali, aikin Gorgon LNG na Chevron a Ostiraliya yana amfani da bututu mai tsawon kilomita 18 na jacketed vacuum don kiyaye yanayin zafi -162°C a duk faɗin tashar fitar da kayayyaki ta bakin teku, yana rage asarar makamashi na shekara-shekara da dala miliyan 6.2.

Kalubalen Arctic: VIPs a cikin Muhalli Masu Tsanani

A yankin Yamal na Siberia, inda yanayin hunturu ke raguwa zuwa -50°C,VIPhanyoyin sadarwa masu MLI mai layuka 40 (rufe layuka da yawa) suna tabbatar da cewa LNG ya ci gaba da kasancewa cikin siffa ta ruwa yayin jigilar kaya ta kilomita 2,000. Rahoton Rosneft na 2023 ya nuna cewa bututun cryogenic mai rufi da injin ya rage asarar tururi da kashi 53%, yana adana tan 120,000 na LNG kowace shekara—daidai da samar da wutar lantarki ga gidaje 450,000 na Turai.

Sabbin Abubuwa na Gaba: Sauƙin Sauƙi Ya Haɗu da Dorewa

Zane-zanen haɗin gwiwa masu tasowa suna haɗuwabututun da aka saka a injin injindon haɗin kai na zamani. Kwanan nan aka gwada ginin FLNG na Shell na Prelude wanda aka yi wa corrugatedbututun mai sassauƙa na jaket ɗin injin, cimma saurin lodi da kashi 22% cikin sauri yayin da suke jure matsin lamba na MPa 15. Bugu da ƙari, samfuran MLI da aka inganta ta graphene sun nuna yuwuwar ƙara rage ƙarfin wutar lantarki da kashi 30%, wanda ya yi daidai da manufofin rage fitar da hayakin methane na EU a shekarar 2030.