°Õ²¹°ì²¹¾±³Ù²¹·É²¹£ºKoyi da cikakken zane na Fabrik din Sarrafa Zinariya CIL: na?asa, gogewa, fitar da zinariya da ha?awa, fitar da zinariya, da shara. Gano muhimman fa'idodi da jerin kayan aiki.
Tsarin Carbon-in-Leach (CIL) na daga cikin hanyoyin da aka fi amfani da su.fasahohin fitar da zinariyadon ma'adinan zinariya na dutsen mai wuya. Yana hade fitar da cyanide da kuma ?arfin adsorption na carbon a cikin aiki guda mai ci gaba, yana bayar da babban inganci na dawowa da kuma ingantaccen aiki.
BCikakken Tashar Sarrafa Zinariya CILyana kunshe da tsarin karfafa, tsarin ni?a, tsarin ?ara kauri, tsarin zubewa da sha, tsarin fitarwa da lantarki, da kuma tsarin tara tarkace tare da tsarin maimaita ruwa.
Yanayin Taya Da Ya Dace Don Tsarin CIL
Tsarin CIL (Carbon-in-Leach) ana amfani da shi ne musamman ga abubuwan zinariya na dutsen mai ?arfi inda zinariya take cikin ha?in ore da kyau kuma ana iya cire ta ta hanyar maganin cyanide.
CIL ya fi dacewa da:
- Zanben zinariya na oxide tare da kyakkyawan yiwuwar narkewar cyanide
- Low-sulfide da low-carbonaceous ores
- Hanyoyin zinariya masu laushi da aka rarraba.
- Girman kwayar zinariya yawanci yana ?asa da 0.1 mm.
- Ore mai matsakaicin inganci (galibi 1¨C10 g/t, dangane da tattalin arzikin aikin)
Wannan tsarin yana aiki mafi kyau lokacin da zinariya take cikin wani nau'i da ke ba da damar yin cyanidation kai tsaye ba tare da wani wahalar kayan aiki ba.
Domin ore masu juriya¡ªkamar wadanda ke dauke da babban abun sulfide, carbon mai sace kayan kafin a fitar da su, ko zinariya da aka rufe¡ªana iya bukatar karin hanyoyin shiryawa. Wadannan na iya hada da tashi, gasa, oxidan matsa lamba, ko kuma murfin karfin karfi kafin matakin CIL.
Gwajin ?wa?walwa mai kyau, wanda ya ha?a da gwaje-gwajen zafin cyanide da nazarin ma'adanai, yana da mahimmanci don tabbatar da dacewar tsarin CIL da tantance ?imar dawowa da ake sa ran.
Tsarin Gudanar da Zinariya CIL
1. Tsarin Rushewa
An saka ore mai kyau a cikin akwati mai ore mai kyau kuma an kawo shi ta hanyar mai ciyarwa na grizzly zuwa injin burbushin ciki don karya farko. Ana tura kayan da aka karya daga nan ta hanyar jan tudu zuwa injin murhuwar ruwan sama mai silinda guda don karya na biyu.
Samfuran da aka nika na biyu ana kaiwa ga ruwan jijiya. Abin da ya wuce daga ruwan jijiya ana komawa ga injin nika na cone don nika shi a kanana, yana ?ir?irar tsarin nika na kofa mai kulle. Samfuran da aka tace da aka rage ana tafiya da su zuwa wurin adana ma¡¯adanai don mataki na gaba na sarrafa.
2. Tsarin Nika
Garin Mataki na Farko
Abin da aka samo daga tashar ajiya ana tura shi ta hanyar mai shayar da ke tasiri zuwa kan bel din jigilar kaya kuma ana kai shi zuwa matattarar kankara don ?usa. Fitar daga matattarar kankara yana kwarara cikin mai rarraba harmoni mai nisa biyu.
Mai tacewa ?arami (?ananan kwayoyi) na koma cikin milin ?wallo na mataki na biyu don ?ara ni?a, yayin da ruwan mai tacewa ke gudana cikin tankin ruwan ?asa.
Tsarin Nika na Mataki na Biyu
Injin feshin slurry yana jigilar slurry zuwa hydrocyclone don rarrabawa. Ruwan da ya fito daga hydrocyclone (kashi mai kauri) yana komawa zuwa injin ni?a na mataki na biyu don kafa tsarin ni?a mai rufaffiyar hanya.
Fitar da daga mashin ?in foro na mataki na biyu yana gudana cikin tankin ruwan marmari, yayin da zubewar hydrocyclone (kananan ?waya) ke ci gaba zuwa mataki na gaba na aikin.
3. Tsarin Kauri
Ruwan ruwan da ya wuce daga hydrocyclone yana wucewa ta cikin allo na shara. Ruwan da aka tace yana gudana zuwa tankin motsawa inda aka kara flocculant don hadawa. Ruwan daga nan yana gudana zuwa ga tanker don mai karfafa zuwa ma'adinai na farko. Flocculant yana hanzarta kwanciya: ruwan da ya wuce daga tanker yana koma zuwa ga tafkin ruwa don sake amfani da shi; ruwan da ya rage daga tanker yana gudana zuwa tankin ruwan don tura zuwa ga leaching.
4. Tsarin Leaching da Adsorption
Lime da sodium cyanide ana auna su daidai a cikin tankokin leaching ta hanyar famfo na metering. Ana dauke slurry zuwa jerin tankokin leaching da tankokin adsorption, inda aka zubar da zinariya kuma a lokaci guda an adsorb ta kan carbon da aka kunna.
Bayan shigar da carbon, ruwan slurry na zube ta hanyar nauyi zuwa ?arin kariya. Ana dawo da carbon mai girma don karin magani, yayin da ruwan slurry mai ?an?anta ke shiga tankin slurry don shirin maganin ?arin ?asa.
An kara sabbin carbon da aka kunna cikin tankin adsorbsiyon na karshe. Ta amfani da tsarin daukar carbon na iska, carbon yana motsawa a kan hanyan juyawa akasin tafiyar slurry, yana ci gaba daga tanki guda zuwa tanki na baya a jere.
An ?auko ?arbon da aka cika da slurry daga tankin adsorption na biyu. Hadin ya wuce ta cikin allo na raba, inda aka raba ?arbon da aka cika. Slurry da aka tace tana komawa tankin adsorption, yayin da ?arbon da aka cika ake aika zuwa workshop na desorption da electrowinning don kara sarrafawa.
5. Tsarin Elution da Electrolysis
A ?ar?ashin yanayi mai zafi mai yawa da matsa lamba mai yawa, tare da tasirin maganin desorption, zinariya da aka cika akan carbon ana canja wuri zuwa maganin desorption.
Maganin zinariya yana wucewa ta hanyar electrowinning, yana haifar da kazamin zinariya. Ana tura kazamin zinariya zuwa gidan smelting don tacewa, a ?arshe yana haifar da zinariya dor¨¦.
6. Tattara Gashewa Mai Bushewa da Dawowar Ruwa
Ana tura ruwan shara da aka gyara ta hanyar famfo na shara zuwa dakin tacewa. Da zarar an cika dakin tacewa, tacewa na raba phases na mai kauri da wanda yake ruwa.
Ruwan da aka tace ana fitar da shi daga na'urar tacewa kuma ana dawo da shi cikin tsarin ruwan juyawa don sake amfani da shi. Keken tace ana fitar da shi daga faranti na tacewa, ana tattara shi da mai ?aukar kaya, sannan ana jigilar shi don a zubar ko ajiye.
Fa'idodin Tsarin Gold CIL
Ana yawan amfani da tsarin cil na zinariya a cikin masana'antar amfanin zinariya ta zamani saboda sau?in aiki, ingancin dawo da shi mai yawa, da kuma kyakkyawan aikin tattalin arziki.
1. Haskakawa da Taya a lokaci guda
Bambanci da tsarin CIP (Carbon-in-Pulp), CIL yana ha?a leaching da kar?ar carbon a cikin tashoshi guda. Wannan yana rage lokacin sarrafawa da kuma rage ha?arin asarar zinariya yayin canja wurin slurry.
2. Karin Farfadowar Zinariya
A cikin yanayi da aka gyara yadda ya kamata, yawan dawo da zinariya yawanci yana kaiwa 90¨C95%, har ma da sama idan aka yi maganin ma'adinan da za a iya shanya sosai.
3. Raguwa a Jarinko Zuba Jari
Saboda leaching da adsorption suna faruwa a cikin wani zagaye guda, ana bu?atar tanks ka?an da ?arin infrastruktur fiye da wasu hanyoyin madadin, wanda ke rage farashen jarin farko.
4. Lokacin Sarrafa Mai Takaitacce
Hadewar zubarwa da shan ruwa na inganta yanayin tsari gaba ?aya, yawanci yana rage lokacin ri?ewa idan aka kwatanta da hanyoyin mataki daban.
5. Fasaha mai Gina Jiki da Aka Gwada
CIL an yi amfani da shi da nasara a cikin dubban masana'antu zinariya a duniya. Fasahar sa tana da dindindin, an fahimta sosai, kuma tana samun goyon baya daga kayan aiki da kwarewar aiki da ake da su a ko'ina.
6. Ya dace da Gudanarwa daga Matsakaici zuwa Babba
Masu aikin sarrafa CIL suna da fasaha mai ?orewa kuma ana amfani da su sosai a cikin ayyukan da ke tsakanin tan dari da yawa a kowace rana zuwa tan dubu da yawa a kowace rana.
Wannan fa'idodin suna sa CIL ya zama daya daga cikin fasahar fitar da zinariya da aka fi kar?a a duniya.
Tsarin Tsarin Kayan Aikin CIL na Zinariya na Al'ada
Tsarin Tsofaffin Masana'antar Sarrafa Zinare CIL yana dogara ne akan halayen ma'adanin da iyawar sarrafawa. A ?asa akwai misali na al'ada na wata masana'antar zinare CIL ta matsakaici (500¨C1000 TPD):
Sashen Laka
- 1 Injin Nika Jaw
- 1 Na'urar Nika Kone
- Screen mai Laya
- Tsarin Juyawa na Belting
Sashen Nika
- 1¨C2 Millolin Ball
- Tsarin Kwayoyin Hydrocyclone
- Furannin Ruwa da Tanki
Sashin Kaura
- Mai Kaura mai Inganci
- Tsarin Kafaffen Fako
Sashen Leaching & Adsorption
- Tankunan CIL 6¨C8 tare da masu motsa jiki
- Tsarin Canja wutar Carbon mai Tabbatarwa
- Allon Tsaro
Sashen Elution da Electrowinning
- Kundin Desorption
- Tsarin zafi
- Cajin Electrowinning
- Masana'antar Nika Zinariya
Tattara Talla & Dawowar Ruwa
- Filter Press ko Mai kauri Tailings
- Gidan Ajiye Daji
- Tankin Ruwa Mai Juyawa
Don ?aramin tsari na sarrafa zinariya CIL (misali, 300 TPD), adadin kayan aiki na iya raguwa. Don manyan ayyuka (fiye da 2000 TPD), ana bu?atar layukan ni?a da yawa da fa?a?a ?arfin CIL.
Tsarin shuka ya kamata ko da yaushe a daidaita shi bisa ga sakamakon gwaje-gwajen laboratoir, manufofin samarwa, yanayin wurin, da ka'idojin muhalli.
Gidan Sarrafa Zinare na CIL yana daga cikin fasahohi mafi inganci da amintacce wajen cire zinare daga wuraren dutsen mai wuya. Tare da manyan kashi na dawo da zinare, ingantaccen aiki, da kuma zane mai iya girma, ana amfani da shi sosai a cikin ayyukan hakar zinare na matsakaici da manyan matakan duniya.
Duk da haka, kowanne ajiyar zinariya na da musamman halaye. Kwatancen ?arfe, rarraba zinariya, ha?in ma'adanai, da kuma yanayin wurin suna shafar tsara tsarin aiki da za?in kayan aiki kai tsaye. Don haka, wani shahararren masana'anta CIL ba ya dogara kawai akan ingancin kayan aiki amma har ma akan gwajin dakin gwaje-gwaje da ya dace, inganta tsarin aiki, da kuma tsara injiniya da aka ke?ance.
Kafin kammala saitin shuka, ana ba da shawarar sosai a gudanar da gwajin karfe don tantance adadin dawowar zinariya, yawan amfani da reagents, laushi na nika, da kuma yanayin ruwan leaching mafi kyau. Bisa ga wadannan sakamakon, za a iya tsara tsarin duka da nika, girman tanki, da tsarin lodin carbon daidai don tabbatar da aiki mai dorewa da kuma riba na dogon lokaci.
Idan kuna shirin sabon shuka sarrafa zinariya ta CIL ko kuma ku inganta wani layin sarrafawa da ke akwai, ?ungiyar mu ta injiniya na iya ba da mafita na musamman bisa ga halayen ?arfenku, ?arfin da ake bu?ata, da ?akunan kula da muhalli na yankinku.
Tattaunawa
Samun Magani