Cyanidation yana daya daga cikin manyan hanyoyin samun fa'ida ga ma'adinan gwal, kuma ana iya raba shi zuwa nau'i biyu: cyanidation mai motsawa da percolation cyanidation.A cikin wannan tsari, tsarin hakar gwal na gwal na haɗawa ya ƙunshi tsarin maye gurbin cyanide-zinc (CCD da CCF) da waɗanda ba a tace su ba (CIP da CIL).A fiye amfani da zinariya rabuwa kayan aiki ne yafi tutiya foda maye na'urar , leaching stirring tank, low amfani m desorption electrolysis tsarin.
1. Zinc foda maye na'urar shine hanyar da ke amfani da foda na zinc don cire zinariya daga ruwa mai daraja a cikin tsarin maye gurbin cyanide-zinc.Ƙirƙirar da aka kirkira ta yanzu an yi niyya ne da kayan aikin amfanin tama na gwal waɗanda ke ɗauke da babban adadin azurfa a cikin taman gwal.Bayan tsarkake ruwa mai daraja da cire iskar oxygen, ana ƙara na'urar maye gurbin foda na zinc don samun laka na zinariya.Lokacin da aka yi amfani da foda na zinc (siliki) don maye gurbin hazo da kuma dawo da zinariya, ana iya amfani da hanyar da ake kira cyanide-zinc maye gurbin (CCD da CCF) a cikin aikin samarwa, ko kuma ana iya amfani da maye gurbin foda na zinc don magance matsalolin tsada (leaching mafita). ).Gabaɗaya magana, baya ga ma'adinan gwal tare da mafi girman abun ciki na azurfa, ana iya amfani da na'urorin maye gurbin foda na zinc don aiwatar da abubuwan da suka dace na zinariya waɗanda ke buƙatar haɓaka darajar su.
2. Double impeller leaching tank tank The biyu impeller leaching stirring tanki ne da aka saba amfani da ma'adinai sarrafa kayan aiki a cikin carbon slurry zinariya hakar tsari (CIP hanya da CIL).Ƙarƙashin aikin ja da motsawa na impeller sau biyu, slurry yana gudana zuwa ƙasa daga tsakiya, ya bazu ta cikin faranti da ke kewaye, yana allurar iska a ƙarshen shaft, yana haɗuwa tare da slurry kuma yana zagayawa zuwa sama.Wannan bayani ya dace da aikace-aikace tare da ƙananan ƙayyadaddun nauyi, ƙananan danko da jinkirin hazo., Lokacin da girman ƙwayar ma'adinai ya kasance sama da -200 raga kuma ƙaddamarwar maganin zinare bai wuce 45% ba, ana iya kafa cakuda da aka dakatar da uniform.Sha da sauran ayyukan hadawa.A cikin tsarin CIP na ajiyar gwal, leaching da tallatawa ayyuka ne masu zaman kansu.A cikin aikin sha, ana aiwatar da aikin leaching da gaske.Girman, yawa, da yanayin aiki na tankuna masu tallatawa an ƙaddara su ta hanyar sigogin talla.Tsarin CIL na ajiyar gwal ya ƙunshi leaching lokaci guda da ayyukan talla.Tunda aikin leaching gabaɗaya yana ɗaukar tsawon lokaci fiye da aikin adsorption, girman tanki mai motsa leaching ana ƙaddara ta sigogin leaching don tantance adadin aeration da dosing.Saboda yawan shayarwa yana da alaƙa da aikin da aka narkar da haɗin gwal, matakan 1-2 na riga-kafi yawanci ana yin su kafin nutsewar gefen don ƙara yawan narkar da zinare a cikin tankin talla da ƙara lokacin leaching.
3. Low-amfani m desorption electrolysis tsarin.The low-amfani m desorption electrolysis tsarin shi ne wani sa na zinariya taman miya kayan aiki da desorbs da electrolytes zinariya- lodi carbon don samar da zinariya laka karkashin high zafin jiki da kuma matsa lamba.Ana aika slurry na carbon da aka ɗora da zinari zuwa allon rabuwar carbon (yawanci allon girgiza kai tsaye) ta hanyar famfon carbon ko mai ɗaga iska.Ana wanke fuskar allo da ruwa mai tsabta don raba carbon daga slurry.Kabon da aka ɗora da zinari yana shiga cikin tankin ajiyar carbon, slurry da ruwan ɗigon ruwa.Shigar da sashin farko na tankin talla.Yin amfani da ƙananan ƙarfi da sauri desorption tsarin electrolysis don ƙara anions zai iya maye gurbin Au (CN) 2- tare da Au (CN) 2-, kuma ruwa mai daraja da aka samu ta hanyar lalata carbon da aka ɗorawa na zinariya zai iya dawo da gwal mai ƙarfi ta hanyar ionization.The low makamashi amfani m desorption electrolysis tsarin yana da desorption kudi na fiye da 98% a karkashin high zafin jiki (150 ° C) da kuma high matsa lamba (0.5MPa) yanayi, da ikon amfani ne kawai 1/4 ~ 1/2 na al'ada. tsarin.Haɗin mara guba da sakamako na gefe ya ƙunshi mai kunna carbon, wanda zai iya sake haɓaka carbon.Hanya ta Carbon Carbon ba ta buƙatar sake sabunta hanyar wuta, wacce ke adana kuɗin carbon.slurry na zinariya yana da babban matsayi, baya buƙatar juyawa electrolysis, kuma yana da sauƙin cirewa.A lokaci guda kuma, tsarin rashin amfani da sauri na lalatawar electrolysis shima yana ɗaukar matakan aminci guda uku, wato hankali na tsarin da kansa, ƙayyadaddun matsi na atomatik da rage injin, da bawul ɗin aminci na inshora.
Lokacin aikawa: Fabrairu-18-2024
