Chodabwitsa cha Uinjiniya cha chitoliro chopangidwa ndi vacuum jekete

Chitoliro chotenthetsera cha vacuum(VIP), yomwe imadziwikanso kuti chitoliro chopangidwa ndi vacuum jacketed (VJP), imagwiritsa ntchito chotsukira cha vacuum annulus (10⁻⁶ Torr) pakati pa zigawo zachitsulo chosapanga dzimbiri kuti ikwaniritse kusamutsa kutentha kosachepera zero. Mu zomangamanga za LNG, machitidwewa amachepetsa kuchuluka kwa madzi otuluka tsiku ndi tsiku kufika pansi pa 0.08%, poyerekeza ndi 0.15% pamapaipi achikhalidwe otetezedwa ndi thovu. Mwachitsanzo, pulojekiti ya Chevron's Gorgon LNG ku Australia imagwiritsa ntchito chitoliro chopangidwa ndi vacuum jacketed cha 18 km kuti chisunge kutentha kwa -162°C kudutsa malo ake otumizira kunja m'mphepete mwa nyanja, kuchepetsa kutayika kwa mphamvu pachaka ndi $6.2 miliyoni.

Mavuto a ku Arctic: Anthu Otchuka M'malo Ovuta Kwambiri

Ku Yamal Peninsula ku Siberia, komwe kutentha kwa nyengo yozizira kumatsika kufika -50°C,Anthu OlemekezekaMa network okhala ndi 40-layer MLI (multilayer insulation) amaonetsetsa kuti LNG imakhalabe mu mawonekedwe amadzimadzi panthawi yotumiza katundu 2,000 km. Lipoti la Rosneft la 2023 likuwonetsa kuti mapaipi a cryogenic omwe amatetezedwa ndi vacuum adachepetsa kutayika kwa nthunzi ndi 53%, zomwe zidapulumutsa matani 120,000 a LNG pachaka—ofanana ndi kupatsa mphamvu nyumba 450,000 zaku Europe.

Zatsopano Zamtsogolo: Kusinthasintha Kumakwaniritsa Kukhazikika

Mapangidwe atsopano a hybrid akuphatikizidwamapaipi otetezedwa ndi vacuumkuti mulumikizane ndi ma modular. Malo a Shell's Prelude FLNG omwe ayesedwa posachedwapamapaipi osinthasintha a jekete la vacuum, kukwaniritsa liwiro lokweza katundu ndi 22% mwachangu pomwe ikupirira kupsinjika kwa 15 MPa. Kuphatikiza apo, zitsanzo za MLI zolimbikitsidwa ndi graphene zikuwonetsa kuthekera kochepetsa kwambiri kutentha ndi 30%, mogwirizana ndi zolinga za EU zochepetsera utsi wa methane mu 2030.