Kuvala ore ndi ntchito yopanga yomwe imakonzekera zopangira zosungunulira zitsulo ndi makampani opanga mankhwala. Froth flotation yakhala imodzi mwa njira zofunika kwambiri zopangira mchere. Pafupifupi zinthu zonse zamchere zimatha kulekanitsidwa pogwiritsa ntchito flotation.
Flotation pakali pano ikugwiritsidwa ntchito kwambiri pokonza miyala yachitsulo yachitsulo yolamulidwa ndi chitsulo ndi manganese, monga hematite, smithsonite, ndi ilmenite; miyala yamtengo wapatali ngati golidi ndi siliva; zitsulo zopanda chitsulo kuphatikizapo mkuwa, lead, zinki, cobalt, faifi tambala, molybdenum, ndi antimoni, monga mchere wa sulfide monga galena, sphalerite, chalcopyrite, chalcocite, molybdenite, ndi pentlandite, komanso mchere wa oxide monga malachite, cerussite, cassiterimorphate, hemiterite; mchere wopanda zitsulo zamchere monga fluorite, apatite, ndi barite; ndi mchere wosungunuka ngati sylvite ndi mchere wa rock. Amagwiritsidwanso ntchito kupatukana kwa mchere wopanda zitsulo ndi silicates, kuphatikizapo malasha, graphite, sulfure, diamondi, quartz, mica, feldspar, beryl, ndi spodumene.
Flotation yapeza zambiri pazantchito zama mineral processing, kupita patsogolo kosalekeza kwaukadaulo. Ngakhale mchere wocheperako komanso wovuta kwambiri womwe kale unkaganiziridwa kuti ndi wosagwiritsidwa ntchito m'mafakitale tsopano utha kubwezedwanso ndikugwiritsidwa ntchito (monga zida zachiwiri) kudzera pakuyandama.
Pamene chuma cha mchere chikuchulukirachulukira, ndi mchere wofunikira womwe umagawidwa bwino kwambiri komanso mosiyanasiyana mu ore, zovuta zolekanitsa zimawonjezeka. Kuti achepetse ndalama zopangira, mafakitale monga zitsulo ndi mankhwala amafunikira miyezo yapamwamba kwambiri komanso kulondola kwazinthu zokonzedwa, mwachitsanzo, zinthu zolekanitsidwa.
Kumbali ina, pakufunika kuwongolera khalidwe; Kumbali inayi, kuyandama kumawonetsa kwambiri ubwino kuposa njira zina pothana ndi vuto la mchere wonyezimira womwe ndi wovuta kuwalekanitsa. Yakhala njira yogwiritsidwa ntchito kwambiri komanso yodalirika yopangira mchere masiku ano. Poyambirira amagwiritsidwa ntchito ku mchere wa sulfide, kuyandama kumakula pang'onopang'ono mpaka kukhala mchere wa oxide, mchere wopanda zitsulo, ndi zina. Pakali pano, mabiliyoni a matani a mchere amasinthidwa ndi kuyandama padziko lonse chaka chilichonse.
M’zaka makumi angapo zapitazi, kugwiritsa ntchito ukadaulo wa flotation sikulinso pa uinjiniya wokonza ma minerals okha, koma kwafikira pa kuteteza chilengedwe, zitsulo, kupanga mapepala, ulimi, mankhwala, chakudya, zipangizo, mankhwala, ndi biology.
Mwachitsanzo, kuyandama kumagwiritsidwa ntchito kubwezeretsanso zida zapakatikati za pyrometallurgy, volatiles, ndi slags; kubwezeretsanso zotsalira za leach ndi zinthu zomwe zidagwa kuchokera ku hydrometallurgy; pakuchotsa mapepala obwezerezedwanso ndi kuchira kwa fiber kuchokera kumadzi otayira a zamkati mumakampani opanga mankhwala; ndi kuchotsa mafuta olemera kwambiri mumchenga wa m'mphepete mwa mitsinje, kulekanitsa zowononga zazing'ono zolimba, ma colloid, mabakiteriya, ndi kufufuza zonyansa zachitsulo kuchokera ku zinyalala, zomwe zimagwiritsidwa ntchito popanga chilengedwe.
Ndi kusintha kwa njira ndi njira zoyandama, komanso kuwonekera kwa zida zatsopano komanso zogwira ntchito zoyandama, flotation ipeza ntchito zambiri m'mafakitale ndi magawo ambiri. Ndikofunika kuzindikira kuti kugwiritsa ntchito njira zoyandama kumaphatikizapo ndalama zambiri zopangira chifukwa cha ma reagents (poyerekeza ndi maginito ndi kulekanitsa mphamvu yokoka); okhwima zofunika chakudya tinthu kukula; zinthu zambiri zokopa pakuyandama, zomwe zimafuna kulondola kwaukadaulo wapamwamba; ndi madzi oipa okhala ndi zotsalira zotsalira zomwe zingawononge chilengedwe.
Nthawi yotumiza: Aug-26-2025