ʻO kahi paipu kuʻi pololei he paipu kila i hoʻopaʻa ʻia me ka holo ʻana o ke kuʻina ma ke ala like me ka lōʻihi o ka paipu. Hoʻokumu ʻia ka pā kila a i ʻole ke kāʻei i ke ʻano poepoe, a laila hui pū ʻia nā ʻaoʻao ʻelua. Hoʻohana ʻia kēia paipu no nā laina wai haʻahaʻa haʻahaʻa, nā kolamu hoʻolālā, ka hana paipu kūkulu hale, a me nā hana ʻaila a i ʻole ke kinoea ke kūlike ka pae i koho ʻia a me ka pae hoʻāʻo me ka hana.
ʻO ke ala hana o kahi paipu hili pololei he maʻalahi ke hoʻonohonoho no nā nui maʻamau. Hoʻohana pinepine ʻia ka wiliwili alapine kiʻekiʻe no nā paipu liʻiliʻi a me waena, ʻoiai hoʻohana ʻia ka wiliwili arc i lalo no ka paipu anawaena nui aʻe. Hiki ke nānā ʻia ka laina weld, ʻoki ʻia, a hoʻāʻo ʻia ma mua o ka lawe ʻana. Hiki ke uhi ʻia kēia huahana, beveled, hoʻonui, a ʻoki ʻia paha i ka lōʻihi paʻa. No ka hoʻohana ʻana i ka pūnaewele, pono ka mea kūʻai aku e nānā i ke anawaena, ka mānoanoa o ka paia, ke kila kila, ka ʻili weld, a me ka hoʻomākaukau ʻana. Ke akaka ia mau kiko'ī, kūpono kēia huahana i nā hana wai he nui, hana, a me nā papahana paipu kila maʻamau.
Nā Kūlana Huahana
|
ʻĀpana |
Waiwai |
|
Mea waiwai |
Q195, Q215A, Q235A, a i ʻole papa kila papahana |
|
Kaʻina hana |
-alapine kiʻekiʻe ka wili pololei wili a i ʻole ka hoʻoheheʻe ʻia ʻana |
|
Ka lōʻihi |
ʻO ka maʻamau 4-10 m, paʻa a nui paha ka lōʻihi i loaʻa |
|
Nā laʻana maʻamau |
GB/T3091-2008, GB/T9711.1-1997, API 5L ke koi ʻia |
|
Ili |
ʻEleʻele, pena, uʻi, a i ʻole -pili ʻino |
|
ʻAno hoʻopau |
Plain, beveled, threaded, or flanged |
|
Nānā |
Weld check, dimension check, hydrostatic or NDT test as needed |
|
E hoʻohana i ka laulā |
Waiwai, laina petrochemical, hale, paipu mīkini |
Kaʻina Hana Hana
1. No ka paipu humuhumu pololei, hana ʻia ke kaula kila a i ʻole ka pā i ke ʻano paipu.
2. Hoʻopili ʻia ka ʻaoʻao hui e ka -frequency kiʻekiʻe a i ʻole ka hoʻoheheʻe ʻia ʻana o ke arc submerged.
3. ʻO ka nui o ka paipu, ʻoki ʻia, nānā ʻia, a mālama ʻia ma ka ʻili inā pono.
Hoʻohana i nā hihia
1. Haʻahaʻa haʻahaʻa wai a me ka ea paipu laina.
2. Kūkulu i nā kolamu, nā papa, a me nā hale kila maʻamau.
3. ʻO nā ʻāpana petrochemical a me ke kinoea kinoea ma lalo o nā kūlana kūlike.
Hoʻopaʻa a me ka lawe ʻana i nā memo

1. Pono nā kaha pūʻolo e hōʻike i ka nui, ka pae, ka lōʻihi, a me ka nui.
2. Hiki ke hoʻohui ʻia nā pale hoʻopau a i ʻole pale bevel no ka lawe ʻana -maʻamau.
3. Pono e nānā ʻia ka uhi ʻana ma mua o ka hoʻouka ʻana inā mālama ʻia ka paipu ma waho.
Nā huahana pale: paipu hili pololei, Kina na mea hana, mea hoolako, hale hana

