ʻO ka paipu hili ʻole kila kila

ʻO ka paipu seamless he ʻano kila lōʻihi me ka ʻāpana hakahaka a ʻaʻohe ami a puni.ʻO ka nui, aia ma mua o 5100 mau mea kanu hana ma lalo o nā hui 1850 ma mua o 110 mau ʻāina e hana ana i nā paipu seamless ma ka honua, me nā mea kanu ʻoi aku ma mua o 260 ma lalo o nā hui 170 ma 44 mau ʻāina e hana ana i nā paipu aila.

ʻEkolu mau hiʻohiʻona koʻikoʻi ke kila kila ʻole: ʻo ka mua, ʻoi aku ka mānoanoa o ka pā o ka huahana, ʻoi aku ka maikaʻi a me ka hana.ʻOi aku ka lahilahi o ka mānoanoa o ka pā, ʻoi aku ka kiʻekiʻe o kāna kumukūʻai hana;ʻO ka lua, ʻo ke kaʻina hana o kēia huahana e hoʻoholo i kāna hana palena.'O ka mea ma'amau, he ha'aha'a ka pololei o ka paipu kila ma'ema'e: ka mānoanoa o ka pā, ka ha'aha'a ha'aha'a o ka ili o loko a me waho o ka paipu, ke kumu kū'ai ki'eki'e, a 'a'ole ma'alahi ka wehe 'ana i nā pockmarks a me nā wahi 'ele'ele ma ka ili o loko a me waho;ʻO ke kolu, pono e mālama ʻia kona ʻike ʻana a me kona hoʻohua ʻana ma waho.No laila, hoʻokomo ʻo ia i kāna mau pono i ke kaomi kiʻekiʻe, ka ikaika kiʻekiʻe a me nā mea hana mechanical.

ʻO ka paipu kila he ʻano kila lōʻihi me ka ʻāpana hakahaka a ʻaʻohe hui a puni.ʻO nā paipu kila he mau ʻāpana hakahaka a hoʻohana nui ʻia e like me nā pipelines no ka lawe ʻana i nā wai, e like me nā pipelines no ka lawe ʻana i ka aila, ke kinoea maoli, ke kinoea, ka wai a me kekahi mau mea paʻa.Ke hoʻohālikelike ʻia me ke kila paʻa e like me ke kila poepoe, ʻoi aku ka maʻalahi o ke kaumaha o ka paipu kila i ka wā e like ai kona kulou a me kona ikaika torsional.He ʻano kila ʻāpana waiwai, i hoʻohana nui ʻia i ka hana ʻana i nā ʻāpana hana a me nā ʻāpana mechanical, e like me nā paipu ʻaila hinu, nā pahu hoʻoili kaʻa, nā papa kaʻa, a me nā scaffolds kila i hoʻohana ʻia i ke kūkulu ʻana.

ʻO ka hoʻohana ʻana i nā paipu kila e hana i nā ʻāpana annular hiki ke hoʻomaikaʻi i ka nui o ka hoʻohana ʻana i nā mea waiwai, hoʻomaʻamaʻa i ke kaʻina hana, a mālama i nā mea hana a me nā hola hana, e like me ka rolling bearing apo, Jack sleeves, etc.ʻO ka paipu kila kekahi mea pono no nā ʻano mea kaua maʻamau.ʻO ka pahu a me ka pahu o ka pū e hana ʻia me ka paipu kila.Hiki ke hoʻokaʻawale ʻia nā paipu kila i nā paipu poepoe a me nā paipu ʻano kūikawā e like me ke ʻano o ka ʻāpana cross-sectional.No ka mea ʻoi aku ka nui o ka ʻāpana pōʻai ma lalo o ke ʻano o ke anapuni like, hiki ke lawe ʻia ka wai me ka paipu pōʻai.Eia kekahi, i ka wā e hoʻokau ʻia ai ka ʻāpana apo i ke kaomi radial kūloko a i waho paha, ʻano like ka ikaika.No laila, ʻo ka hapa nui o nā paipu kila he paipu poepoe.

Eia nō naʻe, loaʻa i nā paipu pōʻai kekahi mau palena.No ka laʻana, ma lalo o ke kūlana o ka lele ʻana o ka mokulele, ʻaʻole ikaika ka ikaika o ka piʻi ʻana o nā paipu pōʻai e like me ka ikaika o nā paipu square a me nā ʻāpana ʻehā.Hoʻohana mau ʻia nā paipu square a me nā ʻāpana ʻehā i ke ʻano o kekahi mau mīkini mahiʻai a me nā mea hana, ke kila a me nā lako lāʻau, a me nā mea ʻē aʻe.