Nā noi pili paipu

Hiki ke hoʻokaʻawale ʻia i ka kuʻekuʻe radius lōʻihi a me ka kuʻe lima pōkole.ʻO ke kuʻekuʻe lima lōʻihi e pili ana i ke anawaena o waho o ka paipu nona ka radius o ka curvature i like me 1.5 manawa, ʻo ia hoʻi, R=1.5D;ʻO ke kuʻekuʻe radius pōkole ʻo ia hoʻi, ua like kona radius o ka curvature me ke anawaena o waho o ka paipu, ʻo ia hoʻi, R= 1.0d.(ʻO D ke anawaena kuʻekuʻe lima, ʻo R ka radius o ka curvature).5. E like me ka helu kaomi, aia ma kahi o 17 mau ʻano paipu, e like me nā kūlana ʻAmelika, me Sch5s, Sch10s, Sch10, Sch20, Sch30, Sch40s, STD, Sch40, Sch60, Sch80s, XS;Sch80, SCH100, Sch120, Sch140, Sch160, XXS ʻO nā mea ʻelua i hoʻohana pinepine ʻia ʻo STD a me XS

Ka manaʻolana hoʻomohala o ka ʻoihana mea hale

ʻO Kina ka mea hana nui a me ka mea kūʻai aku i nā mea kūkulu hale.ʻO ka hoʻopuka ʻana o ka sima, ke aniani kīʻaha, nā seramika maʻemaʻe, nā pōhaku a me nā mea pā i pae mua ma ka honua no nā makahiki he nui.I ka manawa like, e hoʻomaikaʻi mau ana ka maikaʻi o nā mea kūkulu hale, ke emi nei ka hoʻohana ʻana i ka ikehu a me nā mea maka i kēlā me kēia makahiki, e kū mau ana nā ʻano mea hale hou a pau, e hoʻomaikaʻi mau ana nā mea kūkulu hale, ʻo Cangzhou pipeline mea hana ʻoihana paʻa paʻa.ʻOi aku ka nui o ka ʻoihana ma mua o 3,200 mau ʻoihana hana, ma waena o nā ʻoihana 222 ma luna o ka pālākiō (ʻoi aku ka loaʻa kālā ma mua o 5 miliona yuan), e hoʻohana ana i ka poʻe 124,000.ʻO nā huahana nui nā ʻano kila kūikawā a pau, ke kila kila, ke kila kalapona a me nā paipu kila maʻemaʻe ʻē aʻe, haʻahaʻa, waena a me ke kiʻekiʻe o ka puʻupuʻu paila, nā ʻaila wili a me nā paipu ʻē aʻe;ʻO kēlā me kēia ʻano ʻekolu ala, ʻehā ala, valve, hoʻohaʻahaʻa i ka paipu kuʻe lima;ʻO nā ʻano ʻano like ʻole o ke kila kila, ka flange forged;ʻO nā ʻano paipu a pau, ka mea hana, ka mea pale ʻana i ka ʻaila a me nā mea hana paipu ʻē aʻe;ʻO nā paipu polyethylene like ʻole, nā paipu polypropylene a me nā paipu plastik ʻē aʻe, he 16 mau ʻano o nā ʻano ʻoi aku ma mua o 370 mau ʻano ʻoi aku ma mua o 3500 mau kikoʻī.ʻO ke kaʻina hana e hoʻohana nui i ka weld seam straight rolling, spiral double-sided submerged arc welding, forging, forging, medium frequency push system, cold forming, hot extrusion a pēlā aku.ʻO 2020mm ka nui o ka hana ʻana o ka pipeline.Hoʻohana nui ʻia nā huahana i ka ʻenekinia municipal, ka ʻenekinia petrochemical, ka hoʻouna ʻana i ke kinoea komohana-hikina, ka hana moku a me ka ʻenekini mana nuklea, me ka hoʻolālā makahiki a me ka hiki ke hoʻoili ʻia he 25 miliona tons.I ka makahiki 2010, ua hiki i ka 13 billion yuan ka waiwai hoʻohui o nā ʻoihana ma luna o ka nui i koho ʻia, ʻoi aku ka 31.7% makahiki ma ka makahiki, ʻo ia ka 16.1% o ka waiwai hoʻohui o nā ʻoihana āpau ma luna o ka nui i koho ʻia.Ke holomua nei ka ʻoihana ʻoihana pipeline ʻo Cangzhou i nā pahuhopu o "ʻekolu kiʻekiʻe" (ka pae kiʻekiʻe, kiʻekiʻe kiʻekiʻe a me nā mea kiʻekiʻe) a me "ʻekolu kiʻekiʻe" (kiʻekiʻe, kiʻekiʻe kiʻekiʻe a me ka waiwai hoʻohui kiʻekiʻe), a me ka hoʻolaha ʻana i ka hiki e hiki aku i 30 miliona tona.E lilo ʻo Cangzhou i "mea hana paipu paipu a me R&D base" a me ka "pipeline equipment capital".ʻO ka hoʻokomo ʻana i ke kūkulu ʻana o ka "11th Five-Year Plan" ua hiki i ke kahua waena.ʻO ka ulu pahū o ke alaloa, kaʻaahi a me nā ʻoihana kūkulu hale ʻē aʻe a me ka ulu mau ʻana o ka hoʻopukapuka hana kīwila maʻamau e hana i ka ʻoihana kūkulu i ke kahua boom.I ka manawa like, ma lalo o ke kumu o ke kūkulu ʻana i kahi hui mālama ola a me ka hoʻoikaika ʻana i ka mana kūʻokoʻa kūʻokoʻa o ka ʻāina, ʻo ke kumumanaʻo o ka mālama ʻana i ka ikehu a me ka ʻenehana ʻenehana e lilo i wahi wela o ka ʻoihana.