Lead-zinc mine, yadda za a zabi?

Lead-zinc mine, yadda za a zabi?

Daga cikin nau'ikan ma'adinai da yawa, ma'adinan gubar-zinc abu ne mai wuyar zaɓi.Gabaɗaya magana, ma'adinin gubar-zinc yana da mafi ƙasƙanci mara kyau fiye da ma'adanai masu wadata kuma abubuwan haɗin gwiwa sun fi rikitarwa.Don haka, yadda za a raba gubar da tutiya yadda ya kamata, shi ma muhimmin batu ne a masana'antar sarrafa ma'adinai.A halin yanzu, ma'adinan gubar da zinc da ke samuwa don amfani da masana'antu sune galibi galena da sphalerite, kuma sun haɗa da smithsonite, cerussite, da sauransu. zinc oxide tama, da kuma gauraye gubar-zinc tama.A ƙasa za mu yi nazari na musamman akan tsarin rabuwa na gubar-zinc tama bisa ma'aunin oxidation na gubar-zinc tama.

Hanyar rabuwa da gubar-zinc sulfide tama
Daga cikin takin sulfide na gubar-zinc sulfide da tama-zinc oxide tama, gubar-zinc sulfide tama yana da sauƙin rarrabewa.Lead-zinc sulfide ore sau da yawa ya ƙunshi galena, sphalerite, pyrite, da chalcopyrite.Babban ma'adinan gangue sun haɗa da calcite, ma'adini, dolomite, mica, chlorite, da dai sauransu. Saboda haka, bisa ga alaƙar da ke tattare da ma'adanai masu amfani kamar gubar da zinc, matakin niƙa zai iya zabar tsari na niƙa mataki ɗaya ko tsarin nika da yawa. .

Ana amfani da tsarin niƙa mataki-ɗaya sau da yawa don sarrafa ma'adinan sulfide na gubar-zinc tare da girman ƙwayar hatsi ko kuma alaƙar siminti mai sauƙi;

A Multi-mataki nika tsari tafiyar matakai gubar-zinc sulfide ores tare da hadaddun intercalation dangantaka ko finer barbashi masu girma dabam.

Don ma'adinan sulfide na gubar-zinc sulfide, ana yawan amfani da rek ɗin wutsiya ko rek ɗin mai da hankali sosai, kuma ba a cika yin amfani da matsakaicin tsarin niƙawa ba.A cikin matakin rabuwa, gubar-zinc sulfide tama sau da yawa yana ɗaukar tsarin iyo.A halin yanzu da ake amfani da flotation tafiyar matakai sun hada da: fifiko flotation tsari, gauraye flotation tsari, da dai sauransu Bugu da kari, bisa na al'ada kai tsaye flotation tsari, daidai flotation tafiyar matakai, m da lafiya rabuwa tafiyar matakai, branched jerin kwarara tafiyar matakai, da dai sauransu an kuma ɓullo da. waɗanda aka fi zaɓa bisa la'akari da girman ɓangarorinsu daban-daban da alaƙar da ke tattare da su.

Daga cikin su, daidaitaccen tsarin tuwo yana da wasu fa'idodi a cikin aikin tuwo na gubar-zinc domin yana haɗuwa da tsarin tuwo na ma'adinai mai wuyar rarrabewa da sauƙin raba tama kuma yana cinye ƙarancin sinadarai, musamman idan akwai sauƙi. - don raba ma'adinai a cikin ma'adinai.Lokacin da nau'in gubar da ma'adinan zinc iri biyu ke shawagi da wuyar shawagi, tsarin tuwon ruwa shine zaɓi mafi dacewa.

Gubar zinc oxide tama tsarin rabuwa
Dalilin da ya sa gubar-zinc oxide tama ya fi wahalar zaɓi fiye da gubar-zinc sulfide tama shine galibi saboda hadaddun kayan aikin sa, abubuwan haɗin da ba su da ƙarfi, girman nau'in ƙwayar cuta mai kyau, da irin wannan floatability na ma'adinan gubar-zinc oxide da ma'adinan gangue. da ma'adinai slime., lalacewa ta hanyar mummunan tasirin gishiri mai narkewa.

Daga cikin ma'adinan gubar-zinc oxide, waɗanda ke da darajar masana'antu sun haɗa da cerusite (PbCO3), gubar vitriol (PbSO4), smithsonite (ZnCO3), hemimorphite (Zn4 (H2O) [Si2O7] (OH) 2), da dai sauransu. Daga cikinsu, cerusite , gubar vitriol da molybdenum gubar tama suna da sauƙin sauƙin sulfide.Sulfide jamiái irin su sodium sulfide, calcium sulfide da sodium hydrosulfide za a iya amfani da su don maganin sulfurization.Duk da haka, gubar vitriol yana buƙatar ɗan ɗan gajeren lokacin tuntuɓar lokacin aikin vulcanization.Wakilin vulcanizing Sassan shima yana da girma sosai.Koyaya, arsenite, chromite, chromite, da sauransu suna da wahalar sulfide kuma suna da ƙarancin ruwa.Za a rasa babban adadin ma'adanai masu amfani yayin aikin rabuwa.Domin gubar-zinc oxide ores, fifiko flotation tsari ne gaba ɗaya zaba a matsayin babban tsari na rabuwa, da desliming ayyuka da ake yi kafin flotation don inganta flotation Manuniya da sashi na sinadarai.Dangane da zaɓin wakili, xanthate mai tsawo shine mai tarawa na kowa kuma mai tasiri.Dangane da sakamakon gwaji daban-daban, ana iya maye gurbinsa da Zhongoctyl xanthate ko No. 25 maganin baƙar fata.Masu tara fatty acid irin su oleic acid da sabulun paraffin oxidized ba su da zaɓi mara kyau kuma sun dace da manyan ma'aunin gubar da silicates a matsayin babban gangue.