ʻAʻohe pahū Tanker Manhole uhi

ʻO ka uhi manhole tanker ʻaʻohe pahū (uhi manhole) he uhi i hoʻopaʻa ʻia i kau ʻia ma luna o ka pahu tanker, ʻo ka mea maʻamau he poepoe a i ʻole oval, e hoʻohui ana i ka sila, ka valve hanu, a me nā hana ʻaʻohe pahū. ʻO ia ka puka no nā mea hana e komo i loko o ka pahu no ka nānā ʻana a i ʻole ka mālama ʻana, a me ke kikowaena no ka hoʻouka ʻana a me ka wehe ʻana i nā wai (e like me ka ʻaila maka, ka ʻaila, a me nā wai kemika). Hoʻohana nui ʻia nā uhi manhole tanker ʻaʻohe pahū (uhi manhole) i nā tanker e lawe ana i ka ʻaila, ka ʻaila, ka diesel, nā wai kemika, a me nā mea ʻē aʻe, ʻoi aku ka nui no ka lawe ʻana i nā waiwai pōʻino, e koi ana i ka sila kiʻekiʻe a me ka hana ʻaʻohe pahū.

Nā hana nui

• Hoʻouka a wehe i nā mea: Ma ke ʻano he ala nui no ka hoʻouka ʻana a me ka wehe ʻana i nā wai o ka tanker, e maʻalahi ai ka hana wikiwiki.
• Hoʻoponopono i ke kaomi: Hoʻokomo ʻia ka valve hanu (P/V valve), e hoʻoponopono i ke kaomi i loko o ka pahu i ka wā e hoʻopiha ai, wehe ai, a i ʻole nā loli wela, e pale aku i ka pahu mai ka deformation a i ʻole ka leaka.
• Palekana ʻaʻohe pahū: Hoʻolako ʻia me ka valve hoʻopau pilikia, e hoʻokuʻu ʻakomi i ke kaomi i ka wā o ke ahi a i ʻole ke kaomi kiʻekiʻe ʻole, e hōʻemi ana i ka pilikia o ka pahū.
• Palekana sila: E hōʻoia i ka leaka ʻole o ka wai i loko o ka pahu ma o ke apo sila (e like me ka nitrile rubber a i ʻole fluororubber), e pale aku i nā mea haumia o waho mai ke komo ʻana.

Hana a me nā hiʻohiʻona

• Mea: Hoʻohana maʻamau i ka alumini alumini (māmā, ʻaʻohe ʻōpala), ke kila kila (kūpaʻa i ka ʻōpala) a i ʻole ke kila galvanized (ikaika kiʻekiʻe).
• Hoʻolālā: Hoʻolālā haʻahaʻa, e hōʻemi ana i nā ʻāpana protruding, e maʻalahi ai ka hana; Hoʻolako ʻia kekahi mau hiʻohiʻona me nā lima wehe wikiwiki, nā puka aniani nānā, a i ʻole nā mea laka.
• Kūlana: Pono e hoʻokō i nā kūlana ʻoihana, e like me ka China QC/T 1065-2017 (Manhole uhi no nā kaʻa pahu no ka lawe ʻana i nā waiwai pōʻino wai) a i ʻole nā kūlana honua (e like me DOT-406/407).
• Nā kikoʻī: ʻO ke anawaena maʻamau he DN500 a i ʻole DN600, hiki ke hoʻopilikino ʻia.