Ihe ịtụnanya injinia nke ọkpọkọ jaketị ikuku

Agụụ mkpuchi anwụrụ(VIP), nke a makwaara dị ka paịpụ vacuum jaketị (VJP), na-eji vacuum annulus dị elu (10⁻⁶ Torr) n'etiti oyi akwa ígwè anaghị agba nchara iji nweta nnyefe okpomọkụ fọrọ nke nta ka ọ bụrụ efu. Na akụrụngwa LNG, sistemụ ndị a na-ebelata ọnụego obụpde kwa ụbọchị ruo n'okpuru 0.08%, ma e jiri ya tụnyere 0.15% maka paịpụ ndị a na-etinye ụfụfụ. Dịka ọmụmaatụ, ọrụ Gorgon LNG nke Chevron na Australia na-eji kilomita 18 nke paịpụ vacuum jaketị iji nọgide na-enwe okpomọkụ -162°C n'ofe ọdụ mbupụ ya n'ụsọ oké osimiri, na-ebelata mfu ike kwa afọ site na nde $6.2.

Ihe ịma aka nke Arctic: Ndị VIP nọ na gburugburu ebe dị oke egwu

Na mpaghara Yamal nke Siberia, ebe okpomọkụ oyi na-adaba ruo -50°C.Ndị VIPnetwọk ndị nwere MLI nke nwere oyi akwa 40 (mkpuchi ọtụtụ oyi akwa) na-eme ka LNG nọgide na-adị n'ụdị mmiri mmiri n'oge mbupu kilomita 2,000. Akụkọ Rosneft nke afọ 2023 na-egosi na ọkpọkọ cryogenic nke a na-etinye na vacuum belatara mfu vaporization site na 53%, na-azọpụta tọn 120,000 nke LNG kwa afọ—nke yiri inye ike ụlọ 450,000 dị na Europe.

Mmepụta Ihe Ọhụrụ n'Ọdịnihu: Mgbanwe Na-ezute Nkwado

Nhazi ngwakọ ndị na-apụta na-ejikọta ọnụọkpọkọ ndị a na-eji ihe mkpofu eme ihemaka njikọ modular. Ụlọ ọrụ FLNG nke Shell nke Prelude nwalere corrugated n'oge na-adịbeghị anyahoses ndị na-agbanwe agbanwe na jaketị vacuum, na-enweta ọsọ ibu ngwa ngwa nke 22% ebe ha na-anagide nrụgide 15 MPa. Na mgbakwunye, ihe nlereanya MLI nke graphene kwalitere na-egosi ike ibelata ike okpomọkụ site na 30%, nke kwekọrọ na ebumnuche mbelata ikuku methane nke EU na 2030.