ʻO ka lepo ʻulaʻula kahi koena ʻōpala ʻoihana haumia i hana ʻia e ka bauxite i ke kaʻina hana o ka alumina.He ʻulaʻula, ʻeleʻele ʻulaʻula a hinahina paha ma muli o nā ʻokoʻa o ka hao ʻokesada.He kiʻekiʻe ka wai a loaʻa nā mea ʻino e like me ka alkali a me nā metala kaumaha.lilo i ma'i mau e pili ana i ke kaiaola.ʻO nā mea nui o ka lepo ʻulaʻula ʻo SiO2, Al2O3, CaO, Fe2O3, a me nā mea ʻē aʻe, a loaʻa ka nui o nā kemika alkaline.Hiki ke piʻi ka pH ma luna o 11, he alkaline ikaika.I ka emi ʻana o ka bauxite kiʻekiʻe o koʻu ʻāina, hiki i ka nui o ka lepo ʻulaʻula i hoʻokuʻu ʻia mai ka hana ʻana o 1 ton o alumina hiki ke hiki i 1.5-2 tons.
Wahi a ka ʻikepili mai ka National Bureau of Statistics, ʻo ka puka alumina o Kina i 2021 he 77.475 miliona tons, kahi hoʻonui makahiki o 5.0%.Inā helu ʻia ma muli o ka hoʻokuʻu ʻia ʻana o 1.5 tons o ka ʻulaʻula ʻula i kēlā me kēia ton o alumina, ʻo ka hoʻokuʻu ʻia ʻana o ka lepo ʻulaʻula ma 2021 wale nō e like ke kiʻekiʻe ma kahi o 100 miliona tons, a ʻo ka nui o ka hoʻohana ʻana o ka ʻulaʻula ʻula i koʻu ʻāina he 7% wale nō. .ʻAʻole ʻo ka hoʻonui ʻia ʻana o ka lepo ʻulaʻula e noho wale ana i nā kumuwaiwai ʻāina Inā ʻaʻole e mālama pono ʻia, e lawe mai ana ia i nā pōʻino e like me ka hāʻule ʻana o ka pā o ka waihona lepo ʻulaʻula, lepo a me ka haumia wai, a pēlā aku. lepo.
Loaʻa pinepine ka lepo ʻulaʻula i nā ʻano metala waiwai, ʻo ia hoʻi me ka hao, aluminika, titanium, vanadium, a me nā mea ʻē aʻe, hiki ke hana hou ʻia e like me nā kumu waiwai.ʻO ka hapa nui o Fe2O3 ma Bayer kaʻina ʻulaʻula ʻulaʻula ma luna o 30%, ʻo ia ka mea nui kemika o ka ʻulaʻula ʻulaʻula. ʻenehana no ka hoʻokaʻawale ʻana i ka hao ʻulaʻula a me ka pauka maikaʻi., 40% a hiki i ka 50% o nā minelala hao i loko o ka ʻulaʻula ʻulaʻula hiki ke hoʻihoʻi ʻia ma o kahi kaʻina hana hoʻomaikaʻi ikaika a me ʻelua mau mea waiwai, a ua lawe ʻia nā noi ʻoihana nui ma Shandong, Guangxi, Guizhou, Yunnan a me nā wahi ʻē aʻe.Maikaʻi nā hōʻailona.ʻO ka hoʻihoʻi ʻana i nā metala waiwai i ka ʻulaʻula ʻaʻole hiki ke hana wale i nā pono waiwai, akā mālama pū i nā kumuwaiwai a hoʻemi i ke kaomi kaiapuni.
Aila-wai composite hooluolu i ke apo ki'eki'e gradient magnetic separator
ʻO ka "Implementation Plan for Accelerating the Promotion of Comprehensive Utilization of Industrial Resources" i hoʻopuka hou ʻia e ʻewalu mau keʻena me ka Ministry of Industry and Information Technology a me ka Ministry of Ecology and Environment i hōʻike i nā koi maopopo no ka hoʻohana piha ʻana i ka nui o ka ʻōpala paʻa ʻoihana i ka wā. ka manawa "14th Five-Year Plan".Eia nō naʻe, no ka hoʻohana piha ʻana i ka lepo ʻulaʻula, ʻo "Hoʻomaikaʻi maikaʻi" wale nō ke koi ʻia.ʻO kēia no ka mea paʻakikī ke wehe ʻia ka alkali kemika i hui pū ʻia me ka ʻulaʻula a nui ka ʻike, a loaʻa pū kekahi fluorine, aluminika a me nā mea haumia ʻē aʻe.ʻO ka hoʻohana pono ʻole ʻana i ka ʻulaʻula ʻulaʻula he paʻakikī ke hoʻokō ʻia, no laila ʻo ka hoʻohana piha ʻana i ka ʻulaʻula ʻulaʻula ka pilikia o ka honua..E kāhea i nā ʻāpana noiʻi ʻepekema kūpono e hoʻomau i ka noiʻi hohonu i hui pū ʻia me ka ʻenehana hoʻohana piha ʻulaʻula e hoʻonui i ka hoʻohana piha ʻana i nā kumu waiwai ʻulaʻula.
Wet drum magnetic separator
Pākuʻi cylindrical
Nā noi
He pāhana hoʻokaʻawale hao ʻulaʻula ma Shandong - Mālama kēia papahana i ka ʻulaʻula alumina, me ka hoʻohana ʻana i ka 22 LHGC-2000 vertical ring high gradient magnetic separators, e hoʻoponopono pono i ka pilikia o ka mālama ʻana i ka lepo ʻulaʻula a me ka hoʻohana piha ʻana.
Hoʻohana ʻia ke apo hoʻokaʻawale kiʻekiʻe kiʻekiʻe o ke apo i kahi papahana hoʻokaʻawale hao ʻulaʻula ma Guangxi
Hoʻohana ʻia ke apo kiʻekiʻe gradient magnetic separator i kahi papahana hoʻokaʻawale hao ʻulaʻula ma Shandong
Hoʻohana ʻia ke apo hoʻokaʻawale kiʻekiʻe gradient magnetic i ka papahana hoʻokaʻawale hao ʻulaʻula ʻulaʻula Yunnan
Hoʻohana ʻia ka mea hoʻokaʻawale magnetic gradient kiʻekiʻe vertical apo i kahi papahana hoʻokaʻawale hao ʻulaʻula ma Shanxi
Hoʻohana ʻia ke apo hoʻokaʻawale kiʻekiʻe kiʻekiʻe o ke apo i kahi papahana hoʻokaʻawale hao ʻulaʻula ma Guangxi
Ka manawa hoʻouna: Mar-25-2022