I nā makahiki i hala iho nei, ua ʻike ka ʻoihana paipu kila maʻemaʻe o ko mākou ʻāina i ka hoʻomohala wikiwiki ʻana i ka mōʻaukala, a me ka hana ʻana a me ke kūʻai aku ʻana i nā makahiki 6 mau, ʻoi aku ka maikaʻi o ka hoʻoponopono ʻana o ka huahana, a piʻi ka piʻi ʻana o ka paipu kila. makahiki i ka makahiki.I ka makahiki 2004, ua hiki i ka 21.23 miliona tons ka hana ʻana o ka paipu kila, ʻoi aku ka nui ma mua o 25% o ka hana paipu kila honua.Ua hōʻea ka hoʻololi ʻenehana a me ka hoʻopukapuka kālā i kahi moʻolelo kiʻekiʻe, a ua hoʻomaikaʻi nui ʻia nā lako ʻenehana.Ua puka mai ʻelua miliona tona mau ʻoihana hana ʻenehana paipu kila ʻole, e komo ana i nā kūlana o nā hui paipu kila nui loa o ka honua.
E like me ka hoʻomohala ʻana o ka ʻoihana kila o Kina, ʻoiai ʻo ka ʻoihana paipu kila i hana i nā hoʻokō kupaianaha i nā makahiki i hala iho nei, ʻoi aku ka nui o ka 1/4 o ka puka honua, aia nō kekahi āpau me ka pae kiʻekiʻe o ka honua e pili ana i nā lako ʻenehana. , ka maikaʻi o ka huahana a me ka papa, ka pālākiō hoʻokele waiwai a me nā hōʻailona ʻenehana a me ka waiwai.
Ma ke kālailai ʻana i ka hoʻomohala ʻana a me ke ʻano o nā ʻoihana pili i ka ʻoihana paipu kila maʻemaʻe, a me nā mea i hoʻokō ʻia a me nā pilikia o ka ʻoihana paipu kila kila Kina, ua ʻike mākou i ka mākeke kūloko i kekahi pono a me ka ulu ʻana o ka wahi, a me ka mākeke honua. ke piʻi nui aʻe nei, a ʻo ke ala nui e hoʻomaikaʻi ai i ka māhele mākeke ma ka hoʻokūkū.I mea e hoʻonui ai i ka hoʻokūkū, pono mākou e hopu i ka manawa kūpono e hōʻemi i ka ʻokoʻa ma waena o nā ʻano like ʻole, ka maikaʻi a me ke kumukūʻai o nā huahana a me ka pae honua holomua i ka hiki ke hiki, i hiki ai ke hoʻokō i ka pae kiʻekiʻe o ka honua o nā lako hana a me ka ʻenehana. , a lilo ko mākou ʻāina i mana ikaika i ka hana ʻana i nā paipu kila ma ka honua.
1. Iecaianoaaiiuo ulu a me ka ike hoʻohana kūlana o seamless kila paipu 'oihana ma Kina
I ka makahiki 2004, ʻo ka hoʻopuka ʻana o ka paipu kila kila ʻole o Kina a me ka paipu kila welded ka mea mua loa ma ka honua, a ua lilo ka paipu kila maʻemaʻe i mea hoʻolaha ʻokoʻa ma 2003. Mai ka makahiki 2000, ua ulu wikiwiki ka ʻoihana paipu kila o Kina no ʻelima mau makahiki. .ʻO ka ulu ʻana o ka hana ʻana o ke kila paipu ʻaneʻane like me ka ulu ʻana o nā huahana kila i hoʻopau ʻia ma ka ʻāina, ʻo ia hoʻi, ʻo ka awelika makahiki o ka ulu ʻana o nā huahana kila i hoʻopau ʻia he 21,64%, a ʻo ka ulu ʻana o ke kila paipu he 20,8%, a me ka lākiō paipu / mea. mālama ʻia ma kahi o 7%.
Mai ka makahiki 1981 a hiki i ka makahiki 2004, ua hoʻonui mau ʻia ke ʻano holoʻokoʻa o ka hana ʻana a me ka ʻai ʻana o ka paipu kila seamless.Ma mua o 1999, ua ʻoi aku ka kiʻekiʻe o ka hoʻohana ʻana ma mua o ka hana ʻana me kahi loli (ma kahi o 800,000 t).Ma mua o ka makahiki 2002, ua ʻoi aku ka nui o ka ʻai ʻana ma mua o ka hana ʻana i ka home, a i ka makahiki 2003, ua palahalaha loa.I ka makahiki 2004, ua ʻoi aku ka nui o ka hana ma mua o ka hoʻohana ʻana, a ua manaʻo ʻia e hoʻomaka ka hana ʻana ma mua o ka hoʻohana ʻana i ka makahiki 2005.
2. Ke kūlana hana mana o ka ʻoihana paipu kila maʻemaʻe o Kina
I kekahi mau lā i hala aku nei, ua loaʻa i ko mākou ʻāina nā mea hana paipu maʻemaʻe 130 a i ʻole, kokoke i 200 mau pūʻulu o ka ʻāpana.Ma waena o lākou, aia ma kahi o 30 mau hui e hiki ke hana i nā paipu wela i hoʻopau ʻia me nā lako ʻenehana piha, me ka nui o ka hana ʻana ma mua o 6 miliona t, ʻoi aku ka nui ma mua o 60% o ka nui o nā paipu kila seamless.ʻO kēia ʻano mea kanu hana ʻo ia ka hapa nui o nā ʻoihana mokuʻāina, ʻenehana holomua a me nā lako, kiʻekiʻe kiʻekiʻe kiʻekiʻe kiʻekiʻe kiʻekiʻe laina (Tianguan 250 pūʻulu, Baoshan Steel 140 ʻāpana ma mua o 800 tausani tons), maikaʻi ka maikaʻi o ka huahana, ke kila maʻemaʻe. ʻO ka hana paipu ka ʻoihana alakaʻi.ʻO nā ʻoihana ʻē aʻe he mau ʻoihana liʻiliʻi a liʻiliʻi e hāʻawi ana i ka paipu a i ʻole ka ʻōpala ʻōpala billet no ka ʻōwili anu.He mea maʻalahi ka lako o ia mau ʻoihana.ʻO ke kaʻina hana maʻamau e hoʻohana i ka perforation + poʻo a i ʻole perforation + rolling pipe + poʻo ma hope o ka hoʻolako ʻana me ke anu anuanu.
Ka manawa hoʻouna: Nov-10-2022