Yawan kwantenan jigilar kayayyaki da za su iya shiga cikin jirgin ya dogara da abubuwa daban-daban, ciki har da girman jirgin, tsarin kwantena, da nau'ikan kwantenan da ake lodawa. An rarraba jiragen ruwa da aka kera don jigilar kwantena bisa la'akari da ƙarfin ɗaukar nauyinsu, wanda aka auna a raka'a ashirin da ƙafa (TEUs). Madaidaicin akwati mai ƙafa 20 ana ɗaukar TEU ɗaya, yayin da akwati mai ƙafa 40 daidai yake da TEU biyu. Ga cikakken bayani:
- Ƙananan Jirgin Ruwa:
- Ƙananan jiragen ruwa, waɗanda galibi ana amfani da su don hanyoyin yanki ko gajeriyar hanya, na iya ɗaukar ƴan ɗari zuwa ƴan TEU dubu kaɗan.
- Jirgin ruwa Kwantena na Panamax:
- An ƙera waɗannan jiragen ruwa don dacewa da makullan mashigin Canal na Panama. Suna iya ɗaukar kusan 4,000 zuwa 5,000 TEUs.
- Post-Panamax da Sabbin Jiragen Ruwa na Kwantena na Panamax:
- Waɗannan manyan tasoshin, waɗanda ba za su iya shiga ta tsoffin makullan Canal na Panama ba, suna iya ɗaukar tsakanin 10,000 zuwa 15,000 TEUs.
- Manyan Manyan Kwantena (ULCS):
- Waɗannan manyan jiragen ruwa na iya ɗaukar TEU sama da 20,000 kuma ana amfani da su don doguwar tafiya tsakanin manyan tashoshin jiragen ruwa na duniya.
Matsakaicin adadin kwantena da jirgi zai iya ɗauka ya dogara da abubuwa da yawa:
- Girman Jirgin ruwa: Manyan jiragen ruwa na iya ɗaukar ƙarin kwantena, amma kuma suna buƙatar tashoshi masu zurfi don saukewa da lodi da inganci.
- Nau'in kwantena: Madaidaitan kwantena, manyan kwantena masu kubu, da kwantena na musamman suna shafar tsari da iya aiki.
- Kanfigareshan Stowage: Ingantacciyar tsara stowage yana haɓaka amfani da sararin samaniya a cikin riƙon jirgin.
Yana da mahimmanci a lura cewa adadin kwantena da jirgi zai iya ɗauka na iya bambanta sosai bisa waɗannan abubuwan. Lokacin shirya jigilar kayayyaki, kamfanonin jigilar kaya suna sarrafa jigilar kwantena a hankali don haɓaka rarraba kaya, kwanciyar hankali, da samun dama yayin ayyukan lodi da sauke kaya.