Monga chimodzi mwa zitsulo zoyambirira komanso zogwiritsidwa ntchito kwambiri padziko lonse lapansi, chitsulo ndi chinthu chofunikira kwambiri popanga chitsulo ndi chitsulo. Pakadali pano, chuma cha chitsulo chikuchepa, chomwe chimadziwika ndi kuchuluka kwakukulu kwa chitsulo chopanda mafuta poyerekeza ndi chitsulo cholemera, chitsulo chogwirizana kwambiri, ndi zinthu zovuta za chitsulo. Chitsulo nthawi zambiri chimachotsedwa mu chitsulo chake, chotchedwa hematite kapena magnetite, kudzera mu njira yotchedwa iron ore beneficiation. Masitepe enieni omwe amagwiritsidwa ntchito popanga chitsulo m'mafakitale amatha kusiyana kutengera mtundu wa chitsulocho ndi zinthu zomwe mukufuna, koma njira yonseyi nthawi zambiri imakhala ndi magawo otsatirawa:
Migodi
Miyala yachitsulo imayamba kudziwika kudzera mu ntchito zofufuza. Miyalayo ikapezeka, imachotsedwa pansi pogwiritsa ntchito njira zofufuzira monga migodi yotseguka kapena pansi pa nthaka. Gawo loyambali ndi lofunika kwambiri chifukwa limayambitsa njira zotulutsira zinthu pambuyo pake.
Kuphwanya ndi Kupera
Mchere wochotsedwawo umaphwanyidwa m'zidutswa zing'onozing'ono kuti ukhale wosavuta kuugwiritsa ntchito. Kuphwanyidwa nthawi zambiri kumachitika pogwiritsa ntchito zida zophwanyira nsagwada kapena zida zophwanyira nkhokwe, ndipo kuphwanyidwa kumachitika pogwiritsa ntchito zida zophwanyira zokha kapena zida zophwanyira nkhokwe. Njira imeneyi imachepetsa mkuwawo kukhala ufa wosalala, zomwe zimapangitsa kuti ukhale wosavuta kuugwira ndi kuukonza m'magawo otsatira.
Kulekanitsa kwa Maginito
Miyala yachitsulo nthawi zambiri imakhala ndi zinthu zosafunika kapena mchere wina womwe umafunika kuchotsedwa usanagwiritsidwe ntchito popanga chitsulo ndi chitsulo. Kulekanitsa maginito ndi njira yodziwika bwino yomwe imagwiritsidwa ntchito kulekanitsa mchere wa maginito ndi womwe suli wa maginito. Maginito amphamvu, monga Huate magnet separator, amagwiritsidwa ntchito kukoka ndikulekanitsa tinthu ta chitsulo kuchokera ku gangue (zipangizo zosafunikira). Gawoli ndi lofunika kwambiri pakukweza kuyera kwa miyala.
Kupindula
Gawo lotsatira ndi kukongoletsa miyala yamtengo wapatali, komwe cholinga chake ndi kuwonjezera chitsulo pogwiritsa ntchito njira zosiyanasiyana. Njirayi ingaphatikizepo kutsuka, kuyeretsa, ndi njira zolekanitsira mphamvu yokoka kuti muchotse zinyalala ndikukweza ubwino wa miyala yamtengo wapatali. Kukongoletsa miyala yamtengo wapatali kungaphatikizeponso kuyandama, komwe mankhwala amawonjezeredwa ku miyala yamtengo wapatali kuti tinthu tachitsulo tiyende ndikusiyana ndi zinthu zina zonse.
Kuchotsa Pelletizing kapena Kuchotsa Sintering
Mchere ukangosungunuka, kungakhale kofunikira kusonkhanitsa tinthu tating'onoting'ono kukhala tating'onoting'ono kuti tigwiritsidwe ntchito bwino. Kuchotsa mchere kumaphatikizapo kupanga tinthu tating'onoting'ono tozungulira mwa kugwetsa mcherewo ndi zowonjezera monga limestone, bentonite, kapena dolomite. Kuchotsa mchere, kumbali ina, kumaphatikizapo kutenthetsa mipiringidzo ya mchere pamodzi ndi ma fluxes ndi coke airway kuti apange unyinji wosakanikirana wotchedwa sinter. Njirazi zimakonzekeretsa mcherewo kuti ugwire ntchito yomaliza yochotsa mwa kukonza mawonekedwe ake enieni komanso momwe umagwirira ntchito.
Kusungunula
Gawo lomaliza pakuchotsa ndi kusungunula chitsulo, komwe chitsulocho chimatenthedwa mu ng'anjo yoyaka moto pamodzi ndi coke (mafuta a carbonaceous) ndi limestone (yomwe imagwira ntchito ngati flux). Kutentha kwakukulu kumagawa chitsulocho kukhala chitsulo chosungunuka, chomwe chimasonkhana pansi pa ng'anjo, ndi slag, yomwe imayandama pamwamba ndikuchotsedwa. Chitsulo chosungunukacho chimaponyedwa m'mitundu yosiyanasiyana, monga ma ingot kapena ma billets, ndikukonzedwanso kuti mupeze zinthu zomwe mukufuna zachitsulo ndi chitsulo.
Ndikofunika kudziwa kuti malo osiyanasiyana osungiramo zitsulo ndi mafakitale okonzera zitsulo angakhale ndi kusiyana kwa njira zomwe zimagwiritsidwa ntchito, koma mfundo zonse zimakhala zofanana. Kuchotsa chitsulo kuchokera ku zitsulo ndi njira yovuta komanso yochuluka yomwe imafuna kuyang'anira mosamala zinthu ndi ukadaulo. Kuphatikizidwa kwa zida zapamwamba monga Huate magnet separator kumawonjezera magwiridwe antchito ndi ubwino wa njira yolekanitsira, kuonetsetsa kuti chinthu chomaliza chikukwaniritsa miyezo yofunikira popanga zitsulo ndi zitsulo.
Nthawi yotumizira: Julayi-08-2024