Iyo Heap Leaching Project yemugodhi weGoridhe muAkmola Dunhu, Kazakhstan

Mumunda wekucherwa kwegoridhe, matekinoroji ekuchera uye emhando yepamusoro emakemikari reagents akakosha mukuwedzera kugadzirwa nekuvandudza mabhenefiti ehupfumi. Nhasi, tichatarisa pane a yangu yegoridhe muAkmola Region, Kazakhstan, uye ongorora zvakadzama shanduko dzinoshamisa dzakaunzwa mushure mekushandisa iyo yepamusoro-mhando. sodium cyanide zvinopihwa nekambani yedu.

I. Matambudziko eChirongwa cheMigodhi yeGoridhe mudunhu reAkmola

Mugodhi wegoridhe muAkmola Dunhu ndewe sericite - rakashandurwa rudzi rwedombo uye yakaderera - sulfide goridhe - inobereka quartz vein type. Iyo goridhe yekuparadzira tsanga saizi yakanaka kwazvo, yakagovaniswa zvisina kuenzana, uye ine hukama husina kunaka nemasulfides. Iyo ore ine shoma shoma yegoridhe rekuzvarwa, pyrite, chalcopyrite, bismuth - tellurium sulfides, pamwe ne galena, sphalerite, nezvimwewo, uye ndeye refractory inoyangarara goridhe ore. Muchikamu chekutanga chemigodhi, nzira dzechinyakare dzaive dzakaoma kunyatsogadzirisa ores yakaoma kudaro, zvichikonzera kuderera goridhe kupora rates, kutambisa zviwanikwa zvakakomba, uye nekuvandudza kwakaoma kwehupfumi.

II. Inovandudza Maitiro uye Basa Rakakosha reSodium Cyanide

Mushure mekuedzwa kwakawanda, zvakaonekwa kuti goridhe murwi leaching nzira ndiyo nzira inonzwisisika yekurapa ore iyi. Muchiitiko ichi, sodium cyanide inoita basa rinokosha.

Iyo yepamusoro-mhando sodium cyanide yatinopa yakaratidza kuita kwakanakisa mu goridhe leaching process yemugodhi wegoridhe uyu. Iyo goridhe leaching process ine yakasimba uye yesainzi kutonga pamusoro pekusangana kweiyo sodium cyanide leaching agent: mudanho rekutanga, iyo sodium cyanide leaching agent inodzorwa pa 0.10%, uye yekutanga kupfapfaidza simba ndeye 20 - 30L / (TPD); mushure mechikamu chepakati, kusungirirwa kunoderedzwa kusvika 0.05% - 0.08%, uye muchikamu chekupedzisira, inogadziriswa kusvika 0.03% - 0.05%. The spraying interval ratio ndeye 1:2. Kana paine matambudziko ari pachena ekudonha mumurwi, kupfapfaidza kusimba uye kupfapfaidza interval reshiyo inozogadziriswa nenguva. Iyo leached yakapfuma mvura inoshambadzirwa mukati mekuita, uye iyo adsorption kusimba ndeye 12 - 20 L/(tpd). Kana iyo giredhi yemvura yakapfuma yakaderera pane 0.2g/m3 kana pasina hupfumi hunobatsira, iyo leaching inopera.

Mushure mekunge leaching yapera, kuitira kuti ive nechokwadi chekutevedzera kwezvakatipoteredza, solid calcium hypochlorite inopararira pamusoro pemurwi uye yobva yapfapfaidzwa nemvura. Kana iyo p(CN -) mumvura ye reflux isingasviki 0.5×10. disinfection inosangana nezviyero. Iyo leaching yakasara inogona kutakurwa kuenda kune slag yekurasa yadhi, uye tsvina yemvura inoburitswa zvakananga.

III. Zvakabudirira Zvinoshamisa

Munguva yese yekushandira pamwe, timu yedu yehunyanzvi tekinoroji yakapa zvese - zvakatenderedza uye zvizere - maitiro Technical support kumugodhi wegoridhe. Kubva pakutanga kweprojekti, takanyura mukati memugodhi. Tichitarisa hunhu hwakaomarara hwemugodhi wegoridhe, isu takabatsira timu yemugodhi wegoridhe kugadzira hurongwa hwakadzama uye hwakakwana hwekuita murwi wekuita kuti ive nechokwadi chekuti sodium cyanide inogona kuita basa rayo repamusoro pasi pemamiriro akakodzera.

Munguva yekugadzira goridhe, matekinoroji akamiswa pa - saiti kwenguva yakareba kuti atarise akasiyana maitiro ma paramita munguva chaiyo. Zvinoenderana neshanduko dzezviratidziro zvakakosha senge kusungirirwa kwesodium cyanide leaching agent, kupfapfaidza simba, uye kupfapfaidza interval ratio, mazano ehunyanzvi akapihwa nenguva uye kugadziriswa kwakaitwa. Semuyenzaniso, pakaonekwa matambudziko ekudonha mumurwi, nhaurirano dzehunyanzvi dzakarongwa nekukurumidza, uye chirongwa chekupfapfaidza chakagadziridzwa zvakare kuti ive nechokwadi chekufambira mberi kwakanaka kwemaitiro ekulea.

Panguva imwe cheteyo, takaitawo makwikwi akati wandei ekudzidzisa vashandi vemugodhi wegoridhe. Zvemukati zvekudzidziswa zvakafukidza kushandiswa kwakachengeteka kwesodium cyanide, kushanda uye kugadzirisa kwemurwi leaching michina, uye matambudziko akajairika uye mhinduro mukuita leaching. Kuburikidza nemusanganiswa wenzira dzedzidziso uye dzinoshanda dzekudzidzisa, hunyanzvi hwehunyanzvi uye mwero wekushanda kwechikwata chemugodhi wegoridhe zvakavandudzwa zvinobudirira.

Zviri pasi perutsigiro rwedu rwehunyanzvi hwekuenderera mberi nemasevhisi kuti mwero wekudzosa goridhe pamugodhi wegoridhe uyu wakabudirira kuwedzera kusvika pa77%. Kwete chete kugadzirwa kwegoridhe kwakawedzera zvakanyanya, asiwo mutengo wekugadzira wakaderedzwa zvakanyanya. Izvi zvakabudirira hazvingoratidzi kuita kwakanakisa kweyepamusoro-yemhando sodium cyanide asi zvakare zvinoratidza kusimba kwakasimba kwechikwata chedu chehunyanzvi.

Kune mabhizinesi emigodhi yegoridhe muKazakhstan nemamwe matunhu pasirese, kusarudza yepamusoro-yemhando sodium cyanide inhanho yakakosha yekusimudzira kukwikwidza uye kuwana budiriro inoenderera. Senyanzvi ye sodium cyanide mutengesi kunze, kambani yedu icharamba ichitsigira huzivi hwemhando yekutanga uye sevhisi - yakatarisana, uye ichipa emhando yepamusoro zvigadzirwa nemasevhisi eindastiri yepasi rose yezvicherwa zvegoridhe. Kana mugodhi wenyu wegoridhe uri kutsvagawo mhinduro dzakasimba uye dzine hupfumi, tinokugamuchirai kuti tibatane uye tovhura pamwe chete chitsauko chitsva chekucherwa kwegoridhe.