Me yasa ake gina babban tankin ajiyar iskar gas irin wannan?
Ba da dadewa ba, an gina manyan jiragen ruwa guda uku na duniya a kasar Sin, kuma asusun ajiyarsu ya kai mita 270,000 a kowace tanki.Uku da ke aiki a lokaci guda na iya baiwa mutane miliyan 60 iskar gas na tsawon watanni biyu.Me ya sa za mu gina irin wannan babban tankin ajiyar iskar gas?Sabuwar alkiblar makamashi mai ruwan iskar gas
A matsayinta na babbar kasa mai amfani da makamashi, kasar Sin a ko da yaushe ta dogara ne kan kwal a matsayin babbar hanyar samar da makamashi.Duk da haka, tare da samun babban sabani tsakanin bunkasuwar tattalin arziki da gurbacewar muhalli, gurbacewar iska da sauran hadurran muhalli da ke haifar da amfani da gawayi na kara yin muni, kuma tsarin makamashi cikin gaggawa yana bukatar a rikidewa zuwa ga karancin sinadarin carbon, da kare muhalli da tsabta.Gas mai ƙarancin carbon ne kuma tushen makamashi mai tsafta, amma yana da wuyar adanawa da sufuri, kuma galibi ana amfani da shi gwargwadon yadda ake hakowa.
Bayan jerin ultra-ƙananan zafin jiki na iskar gas, an samar da iskar gas mai ruwa (LNG).Babban bangarensa shine methane.Bayan ya kone, yana ƙazantar da iskar kaɗan kuma yana ba da zafi mai yawa.Don haka, LNG tushen makamashi ne mai ingantacciyar ci gaba kuma an gane shi a matsayin tushen makamashi mafi tsabta a duniya.Liquefied Natural Gas (LNG) kore ne, mai tsabta, mai aminci da inganci, kuma ya dace da ajiya da sufuri.An fi amfani da shi fiye da iskar gas, kuma ƙasashen da ke da ci gaban kare muhalli a duniya suna haɓaka amfani da LNG.
A lokaci guda kuma, yawan iskar iskar gas ya kai kusan kashi shida na iskar gas, wanda ke nufin adana iskar gas mai cubic mita 1 daidai yake da adana iskar gas mai cubic mita 600, wanda yana da matukar muhimmanci wajen tabbatar da cewa. iskar gas din kasar.
A shekarar 2021, kasar Sin ta shigo da ton miliyan 81.4 na LNG, wanda hakan ya sa ta zama kasa ta farko da ta fi shigo da LNG a duniya.Ta yaya za mu adana LNG da yawa?
Yadda ake adana iskar gas mai ruwa
Liquefied gas na bukatar a adana a -162 ℃ ko žasa.Idan zafin muhalli ya shiga, zazzabin iskar iskar gas zai tashi, yana haifar da lalacewar tsarin bututu, bawuloli har ma da tankuna.Domin tabbatar da ajiyar LNG, dole ne a ajiye tankin ajiya mai sanyi kamar babban firiza.
Me yasa ake gina tankin iskar gas mai girma?Babban dalilin zabar gina babban tankin ajiyar iskar gas mai girman murabba'in mita 270,000 shi ne cewa mafi girman jirgin ruwan LNG da ke tafiya teku yana da karfin kusan murabba'in murabba'in 275,000.Idan ana jigilar jirgin LNG zuwa tashar jiragen ruwa, ana iya loda shi kai tsaye cikin babban tankin ajiyar iskar gas don biyan buƙatun ajiya.Na sama, tsakiya da kasa na babban tankin ajiyar iskar gas an tsara su da wayo.Auduga mai sanyi tare da jimlar kauri na mita 1.2 a saman ya raba iska a cikin tanki daga rufi don rage haɓaka;Tsakanin tanki yana kama da mai dafa shinkafa, cike da kayan aiki tare da ƙananan ƙarancin zafi da kyakkyawan aikin haɓakar thermal;Ƙarshen tanki yana amfani da nau'o'i biyar na sababbin kayan haɓakar thermal inorganic - tubalin gilashin kumfa don tabbatar da tasirin sanyi na tanki.A lokaci guda, ana saita tsarin auna zafin jiki don ba da ƙararrawa cikin lokaci idan akwai ruwan sanyi.Kariyar gabaɗaya tana magance matsalar ajiyar iskar iskar gas.
Yana da matukar wahala a ƙirƙira da gina irin wannan babban tankin ajiya ta kowane fanni, daga cikinsu aikin dome na tankin ajiya na LNG shine mafi wahala, rikitarwa da haɗari a cikin shigarwa da gini.Don irin wannan "babban MAC" dome, masu bincike sun gabatar da fasahar aiki na "ɗagawa gas".Hawan iska "sabon nau'in fasahar ɗagawa ne, wanda ke amfani da iskar cubic mita 500,000 da fan ɗin ke hura don ɗaga kubba na tankin iskar gas a hankali zuwa matsayin da aka riga aka ƙaddara a saman."Yana daidai da cika ƙwallan ƙwallon ƙafa miliyan 700 a cikin tankin ajiyar iska.Domin busa wannan behemoth zuwa tsayin mita 60, magina sun sanya na'urori masu hura wutar lantarki guda hudu 110 kW a matsayin tsarin wutar lantarki.Lokacin da dome ya tashi zuwa matsayin da aka riga aka ƙayyade, ya kamata a haɗa shi zuwa saman bangon tanki a ƙarƙashin yanayin kula da matsa lamba a cikin tanki, kuma a ƙarshe an kammala ɗaga rufin.