Kev siv ferro vanadium
Nws yog tsuas yog siv rau smelting alloy steel. Kwv yees li 90% ntawm vanadium siv nyob rau hauv lub ntiaj teb no yog siv nyob rau hauv kev lag luam steel. Vanadium feem ntau yog siv los kho cov nplej hauv cov hlau tsis tshua muaj hlau, ua kom lub zog ntawm cov hlau thiab inhibit nws txoj kev laus. Nyob rau hauv cov txheej txheem hlau alloy, nws yog los kho cov nplej thiab ua kom lub zog thiab toughness ntawm cov hlau; Siv ua ke nrog chromium los yog manganese nyob rau hauv lub caij nplooj ntoos hlav steels kom lub elastic txwv ntawm cov hlau thiab txhim kho nws zoo; Hauv cov cuab yeej hlau, cov qauv thiab cov nplej ntawm cov hlau feem ntau yog ua kom zoo dua qub, kev ruaj ntseg ntawm cov hlau yog nce, nws cov nyhuv thib ob hardening yog txhim kho, nws hnav tsis kam yog txhim kho, thiab kev pab cuam lub neej ntawm lub cuab yeej yog ntev. Nyob rau hauv tshav kub-resistant thiab hydrogen-resistant steels, vanadium kuj plays lub luag hauj lwm zoo; Lub vanadium ntxiv rau cov cam khwb cia hlau txhawb kev tsim cov pearlite vim tsim cov carbides, uas ua rau cov cementite ruaj khov, cov duab ntawm cov graphite yog zoo thiab sib xws, thiab cov nplej ntawm cov matrix yog refined, yog li ntawd lub hardness, tensile lub zog thiab hnav tsis kam ntawm casting yog txhim kho.
Kev taw qhia txog cov khoom lag luam vanadium
Vanadium cov khoom tau muab faib ua thawj, theem nrab thiab qib theem. Cov khoom tseem ceeb muaj xws li vanadium-bearing minerals, concentrates, vanadium slag, siv catalysts rau kawg-ntawm-lub neej refining roj av, kawg-ntawm-lub neej catalysts thiab lwm yam residues. Cov khoom thib ob suav nrog vanadium pentoxide, uas tuaj yeem yog cov khoom lag luam siv tau, piv txwv li catalysts rau kev tsim cov sulfuric acid thiab catalysts rau roj av refining. Tertiary cov khoom muaj xws li ferrovanadium, vanadium-aluminium alloys, molybdenum-vanadium-aluminium alloys, silicon-manganese-vanadium-hlau alloys thiab vanadium compounds, uas ferrovanadium yog cov khoom tseem ceeb tshaj plaws vanadium, accounting rau 85% ntawm vanadium noj.
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