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Ainihin ma'anar gama gari na ferrochrome

Ainihin na kowa hankali naferrochrome:

Matsakaici, ƙananan da ƙananan carbonferrochromegabaɗaya an yi shi da silicochrome gami, chromite da lemun tsami azaman albarkatun ƙasa.An tsaftace shi da kuma lalata shi ta hanyar wutar lantarki na 1500 ~ 6000 kV A kuma ana sarrafa shi ta hanyar babban ginin wutar lantarki (CaO / SiO2 shine 1.6 ~ 1.8) .Low damicro-carbon ferrochromeHakanan ana samar da shi ta hanyar hadawa mai zafi a kan babban sikelin. Ana amfani da tanderun lantarki guda biyu a samarwa, ɗayan don narke silicon chrome gami da sauran don narkewar slag wanda ya haɗa da chrome ore da lemun tsami. An rarraba halayen tacewa zuwa matakai biyu a cikin tankuna biyu. : (1) Bayan da aka yi amfani da slag daga tanderun slag a cikin tanki na farko, an ƙara daɗaɗɗen siliki na chromium da aka fara desiliconized a cikin wani tanki.Saboda yawan wuce haddi na oxidizing wakili a cikin slag da isassun desiliconization, micro-carbon ferrochrome dauke da kasa da 0.8% silicon kuma a matsayin kasa da 0.02% carbon za a iya samu.② Bayan slag (dauke da game da 15% Cr2O3) bayan amsawa a cikin tanki na farko yana motsawa zuwa tanki na biyu, silicon chromium gami (wanda ya ƙunshi 45% silicon) wanda aka shirya a cikin tanderun lantarki na silicon chromium yana mai tsanani a cikin slag.Bayan amsawa, ana samun siliki chromium gami (wanda ke ɗauke da kusan 25% silicon) wanda aka fara desilicated kuma a saka shi cikin tanki na farko don ƙarin desilication.Za a iya jefar da slag ɗin da ke ɗauke da ƙasa da 2 ~ 3% Cr2O3.

Ana tace matsakaici da ƙananan carbon ferrochrome ta hanyar busa iskar oxygen.Ana amfani da ferrochrome mai ruwa a matsayin ɗanyen abu.Ana ƙara ɗan ƙaramin lemun tsami da fluorite a cikin tafkin narkakkar don yin slag yayin busawa, kuma ana ƙara silicon chromium gami ko ferrosilicate kafin cirewar baƙin ƙarfe don dawo da chromium a cikin slag.Busa micro-carbon ferrochrome yana yiwuwa a ƙarƙashin wani injin injin. .

Vacuum m-state decarburization tsari mai ladabi, tare da lafiya nika na high carbon ferrochrome a matsayin albarkatun kasa, da lafiya nika na high carbon ferrochrome, wani ɓangare na oxidizing gasa kamar oxidant da ruwa gilashin ko wasu adhesives, matsa lamba ball, bayan low zafin jiki bushewa, da mota nau'in injin tanderu, da injin digiri ne 0.5 ~ 10 mm hg, zazzabi na 1300 ~ 1400 ℃ dumama rage a karkashin 35 ~ 50 hours, Microcarbon ferrochrome dauke da kasa da 0.03% carbon ko ma kasa da 0.01% carbon za a iya samu.

Samfurin tabbatarwa da yawa: lokacin da batch ɗin ya kasance ƙasa da tan 10, bai kamata a ɗauki samfuran ƙasa da samfuran 10 ba da gangan daga sassa daban-daban; sassa daban-daban; Lokacin da tsari ya fi ton 30, ba za a yi amfani da samfurin 30 ba tare da izini daga sassa daban-daban. Kowane samfurin nauyin nauyin ya kamata ya zama daidai, lumpiness ba kasa da 20 * 20mm. Yawan samfurin ba zai zama ƙasa ba. fiye da 0.03% na kuri'a. Duk samfuran da aka ɗauka ya kamata a karya zuwa ƙasa da 10mm kuma a raba su zuwa 1-2kg.Bayan haɗuwa, ya kamata a raba su zuwa sassa biyu daidai, ɗaya don shirye-shiryen samfurin kuma ɗayan don riƙewa.

A karkashin yanayi na al'ada, shine don bincika abun ciki na chromium, sannan abun ciki na ƙididdigar carbon, abun ciki na chromium a ƙarƙashin yanayin al'ada ya kamata ya kasance cikin 60% ± 0.5.


Lokacin aikawa: Afrilu-16-2021