Gubar zinc tama dandano

Gubar zinc tama dandano

Matsayin ma'adinin gubar da aka samo daga ma'adinan gubar-zinc gabaɗaya bai wuce 3% ba, kuma abun cikin zinc bai wuce 10% ba.Matsakaicin ma'aunin gubar da zinc a cikin danyen tama na kanana da matsakaita-matsakaicin ma'adinan gubar-zinc ya kai kusan kashi 2.7% da 6%, yayin da manyan ma'adanai masu wadata na iya kaiwa 3% da 10%.Abubuwan da ke tattare da abun da ke tattare da shi gabaɗaya gubar 40-75%, zinc 1-10%, sulfur 16-20%, kuma galibi yana ƙunshe da karafa masu haɗa kai kamar azurfa, jan karfe, da bismuth;Samuwar sinadarin zinc gabaɗaya kusan kashi 50% na zinc, kusan 30% sulfur, 5-14% baƙin ƙarfe, kuma yana ƙunshe da ƙaramin gubar, cadmium, jan ƙarfe, da ƙarfe masu daraja.Daga cikin kamfanonin hakar gubar-zinc na cikin gida da masana'antun zaɓe, 53% suna da cikakkiyar darajar ƙasa da ko daidai da 5%, 39% suna da maki 5% -10%, kuma 8% suna da maki sama da 10%.Gabaɗaya magana, farashin mai da hankali ga manyan ma'adinan zinc tare da maki sama da 10% kusan yuan / ton 2000-2500 ne, kuma farashin sinadarin zinc yana ƙaruwa yayin da darajar ke raguwa.

Hanyar farashi don tattarawar zinc

A halin yanzu babu wata hanyar farashi mai haɗin kai don tattara hankalin zinc a China.Yawancin ma'adinai da ma'adinai suna amfani da SMM (Shanghai Nonferrous Metals Network) farashin zinc ya rage farashin sarrafawa don ƙayyade farashin ma'amala na abubuwan tattarawar zinc;A madadin, ana iya ƙayyade farashin ma'amala na tattarawar zinc ta hanyar ninka farashin zinc na SMM da ƙayyadadden rabo (misali 70%).

Zinc concentrate ana lissafta a cikin nau'i na kudade na sarrafawa (TC/RC), don haka farashin zinc karfe da kuma kudaden sarrafawa (TC/RC) sune manyan abubuwan da ke tasiri ga samun kudin shiga na ma'adinai da masu smelters.TC/RC (kuɗin jiyya da gyaran gyare-gyare don sarrafa abubuwan tattarawa) yana nufin sarrafawa da daidaita farashin mai na mayar da sinadarin zinc zuwa ingantaccen zinc.TC shine kuɗin sarrafawa ko kuɗin tacewa, yayin da RC shine kuɗin tacewa.Kudin sarrafawa (TC/RC) shine farashin da masu hakar ma'adinai da ƴan kasuwa ke biya don masu aikin tuƙa don sarrafa abubuwan da ke tattare da zinc a cikin ingantaccen zinc.Ana ƙayyade kuɗin sarrafa TC/RC ta hanyar tattaunawa tsakanin ma'adinai da masu aikin tuƙa a farkon kowace shekara, yayin da ƙasashen Turai da Arewacin Amirka gabaɗaya suka taru a watan Fabrairu a taron shekara-shekara na AZA na Ƙungiyar Zinc ta Amurka don ƙayyade farashin TC/RC.Kudin sarrafawa ya ƙunshi ƙayyadaddun farashin tushe na ƙarfe na zinc da ƙimar da ke jujjuya sama da ƙasa tare da hauhawar farashin ƙarfe.Daidaita darajar mai iyo shine don tabbatar da cewa canje-canje a cikin kudaden sarrafawa suna aiki tare da farashin zinc.Kasuwar cikin gida galibi tana amfani da hanyar cire ƙayyadaddun ƙima daga farashin zinc don tantance farashin mai da hankali ko yin shawarwari don tantance farashin takin zinc.