[Chidziwitso cha Mining] Kugwiritsa ntchito zinthu zamatope ofiira sikungachedwe. Chonde chotsani ukadaulo wathunthu wolekanitsa chitsulo ndi matope ofiira!

Matope ofiira ndi zotsalira zonyansa za mafakitale zomwe zimapangidwa ndi bauxite popanga alumina. Ndi yofiyira, yofiyira yofiyira kapena yotuwa ngati matope chifukwa cha zomwe zili mu iron oxide. Lili ndi madzi ambiri ndipo lili ndi zinthu zovulaza monga alkali ndi zitsulo zolemera. kukhala matenda aakulu okhudza chilengedwe. Zigawo zazikulu za matope ofiira ndi SiO2, Al2O3, CaO, Fe2O3, ndi zina zotero, ndipo zimakhala ndi mankhwala ambiri amchere. Mtengo wa pH ukhoza kufika pamwamba pa 11, womwe uli wamchere kwambiri. Pamene dziko langa lapamwamba la bauxite likucheperachepera, kuchuluka kwa matope ofiira otulutsidwa kuchokera ku tani 1 ya alumina kumatha kufika matani 1.5-2.

Malinga ndi kafukufuku wochokera ku National Bureau of Statistics, kutulutsa kwa alumina ku China mu 2021 kudzakhala matani 77.475 miliyoni, kuwonjezeka kwa chaka ndi 5.0%. Ngati kuwerengeredwa potengera kutuluka kwa matope ofiira okwana matani 1.5 pa toni imodzi ya aluminiyamu, kutuluka kwa matope ofiira mu 2021 kokha kudzakhala kokwera pafupifupi matani 100 miliyoni, ndipo kugwiritsa ntchito matope ofiira m'dziko langa ndi 7% yokha. . Kuchulukana kwa matope ofiira sikumangotengera nthaka Ngati sikusamalidwa bwino, kudzabweretsanso zoopsa monga kulephera kwa madamu a matope ofiira, kuipitsidwa kwa nthaka ndi madzi, ndi zina zotero. matope.

Matope ofiira nthawi zambiri amakhala ndi zitsulo zamtengo wapatali, makamaka chitsulo, aluminiyamu, titaniyamu, vanadium, ndi zina zotero, zomwe zingathe kubwezeretsedwanso ngati zinthu zomwe zingatheke. Gawo lalikulu la Fe2O3 mu matope ofiira a Bayer nthawi zambiri limakhala pamwamba pa 30%, lomwe ndilo gawo lalikulu la mankhwala amatope ofiira. ukadaulo wolekanitsa chitsulo chofiyira chamatope ndi ufa wabwino. , 40% mpaka 50% ya mchere wachitsulo mumatope ofiira amatha kubwezeretsedwanso kudzera mu njira yofooka ya maginito ndi maginito awiri amphamvu, ndipo ntchito zazikulu zamakampani zachitika ku Shandong, Guangxi, Guizhou, Yunnan ndi madera ena. Zizindikiro ndi zabwino. Kubwezeretsa zitsulo zamtengo wapatali mumatope ofiira sikungangopanga phindu lachuma, komanso kupulumutsa chuma ndi kuchepetsa kupanikizika kwa chilengedwe.

Mafuta okhala ndi madzi ophatikizika kuzirala kwa mphete yowongoka yokwera kwambiri ya maginito olekanitsa

"Mapulani Othandizira Kupititsa patsogolo Kugwiritsiridwa Ntchito Mokwanira kwa Zida Zamafakitale" lomwe laperekedwa posachedwa ndi madipatimenti asanu ndi atatu kuphatikiza Unduna wa Zamakampani ndi Upangiri Waukadaulo ndi Unduna wa Zachilengedwe ndi Zachilengedwe adafotokoza momveka bwino zofunikira pakugwiritsiridwa ntchito kwathunthu kwa zinyalala zolimba m'mafakitale. nthawi ya "14th Five-year Plan". Komabe, kuti matope ofiira agwiritsidwe ntchito mokwanira, "Kuwongolera bwino" kokha kumafunika. Izi zili choncho chifukwa mankhwala a alkali ophatikizidwa ndi matope ofiira ndi ovuta kuchotsa ndipo zomwe zili ndi zazikulu, komanso zimakhala ndi fluorine, aluminiyamu ndi zonyansa zina. Kugwiritsiridwa ntchito kopanda vuto kwa matope ofiira kwakhala kovuta kuyambira kale, motero kugwiritsiridwa ntchito kwa matope ofiira mokulira kudakali vuto la padziko lonse. . Pemphani magulu ofufuza asayansi oyenerera kuti apitirize kufufuza mozama pamodzi ndi teknoloji yogwiritsira ntchito matope ofiira omwe alipo kuti apititse patsogolo kugwiritsidwa ntchito kwamatope ofiira.

Ngoma yonyowa maginito olekanitsa

Chophimba cha Cylindrical

Mapulogalamu

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