Lithakhisa tsa thuto ea Kinross Lobo-Marte capex ho $ 1 bilione

Morero oa khauta oa Kinross Gold oa Lobo-Marte karolong e ka leboea ea Chile e ka hlahisa kakaretso ea li-oz tse limilione tse 4.5. Khauta nakong ea bophelo ba merafo ea lilemo tse 15 ka chelete e hakanyetsoang ea $995 milione, ho latela boithuto ba prefeasibility (PFS) bo lokollotsoeng ka Laboraro.

Theko e ka bang $1-bilione bakeng sa morero ona, e seterekeng sa merafo sa Maricunga, e kenyelletsa chelete ea tšohanyetso ea $230-millione.

Morero ona o tla ba le merafo ea mekoti e bulehileng libakeng tse peli tse nang le karolelano ea karolelano ea 2.2, ho hlaphoheloa ha heap-leach le polante ea SART (sulphidization, acidification, recycling le thickening).

Meepo e ne e tla nka lilemo tse 12, e lateloe ke lilemo tse tharo tsa ts'ebetso e setseng. Kakaretso ea litjeho tsa ho boloka tsohle ka oz. ea khauta Lobo-Marte e hakanyetsoa ho $745; sekhahla sa ho khutlisa khauta se lebelletsoe ho ba 71%.

Lichelete tsa moruo tsa morero li ela hloko haholo theko ea khauta. Ka theko ea polokelo ea Kinross ea $1,200 ka oz. khauta, boleng ba hona joale ba projeke (NPV) bo hakanyetsoa ho $150 milione mme sekhahla sa eona sa ka hare sa pusetso (IRR) ke 7% feela. Ka tumellano ea theko ea nako e telele ea $ 1,500 ka oz. khauta, NPV e nyolohela ho $770 milione le IRR ho 14%. Mme ka theko ea sebaka sa $1,800 ka oz. khauta, NPV e nyolohela ho $1.4 bilione le IRR ho 21%.

NPV e ipapisitse le sekhahla sa theolelo sa 5%, se baloang ho tloha ka la 1 Pherekhong 2024.

PFS e nahana ka kaho ea morero ho qala ka 2025, ka tlhahiso ea pele e latelang ka 2027. Kinross o lebeletse hore merafo ea Lobo-Marte e tla latela ho qala hape morafong o haufi oa La Coipa, o 50 km leboea-bophirimela.

"Projeke ea Lobo-Marte e fa Kinross khetho e ntle haholo ea nts'etsopele ea manyolo e nang le litšenyehelo tse khahlang tsa ho ts'ehetsa le ho fana ka phaello e holimo ho theko ea khauta, ntle le ho eketsa litšenyehelo le kotsi ea projeke," ho boletse J. Paul Rollinson, mopresidente oa Kinross. le CEO, tokollong.

"Projeke e emetse monyetla oa ho atolosoa ha bophelo ba morafo oa nako e telele sebakeng se loketseng sa merafo 'me e fana ka tlatsetso e kholo ea limilione tse 6.4 likhakanyong tsa rona tsa hajoale tsa polokelo ea khauta, e leng ho eketsang bophelo bohle ba merafo ea polokelo. Ha re ntse re hatela pele ka boithuto ba ho khonahala bakeng sa projeke ena ea nako e telele, re tla tsoelapele ho etelletsa pele matla a sheet sheet le kabo ea chelete e laolehileng.

E le karolo ea boithuto, k'hamphani e tlalehile libaka tsa polokelo ho Lobo-Marte ka lekhetlo la pele. Lichelete tse ka bang teng li eme ho lithane tse limilione tse 146.8 tsa khauta ea 1.36 g/t bakeng sa limilione tse 6.4 tse nang le li-ounces. Palo e eketsa polokelo ea Kinross ka 25%.

Khamphani e rera ho qala boithuto bo ka khonehang ho Lobo-Marte hamorao selemong sena, le ho e phethela kotareng ea bone ea 2021.

E re qeto ea kaho e tla etsoa ho ipapisitsoe le lintlha tse 'maloa, ho kenyeletsoa theko ea khauta le likhakanyo tsa theko, meputso e lebelletsoeng ea moruo, tumello le lintho tse tlang pele ho Kinross. Kinross o fumane morero ona ka 2009 ho beng ba pele ba Teck Resources le Anglo American.

Ka Hlakola, Kinross o phatlalalitse hore e tla tsoela pele ka ho qala bocha La Coipa, eo e lebelletseng ho hlahisa 690,000 ea khauta e lekanang le oz. ho tloha ka 2022 ho isa ho 2024. Mehaho ea motheo e teng kampong e tla nchafatsoa 'me likepe tsa morafo ho tloha mosebetsing oa eona o haufi oa Maricunga, o sa tsoa behoa tlhokomelong le tlhokomelong, li tla romelloa setšeng. Litsenyehelo tsa pele tsa chelete li hahiloe ho $225 milione.

Motšehare oa Laboraro, thepa ea Kinross e ne e theohile hoo e ka bang 1.8% ho TSE. Khamphani e na le chelete ea 'maraka ea C $ 12.9 billion.

Ho sebelisoa ha H&G Machinery 's gyratory crusher liner ho 60-89 gyratory crusher.

Ho na le 60-89 gyratory crusher ho moreki oa rona (Qidashan Iron Mine). Bophelo ba ts'ebeletso ea li-crusher tsa pele tsa manganese gyratory crusher liner bo khuts'oane mme linako tse nchafatsoang li feta likhoeli tse peli ka selemo, e leng se amang sekhahla sa ts'ebetso ea sistimi e pshatlehang haholo le ho thibela melemo e latelang Keketso ea tlhahiso ea sistimi ea indasteri.

E le hore u ntlafatse ka katleho bophelo ba liner tsa crusher, ho khutsufatsa nako ea ho fetola liner, e le ho ntlafatsa sekhahla sa ts'ebetso ea silara le ho finyella phello ea sebele ea lichelete tse fokolang le lihlahisoa tse ngata, Qidashan Iron Mine e ile ea re kōpa hore re ntlafatse mofuta oa li-liner cavity. ea rotary crusher, ho ea pele ho ntlafatsa bophelo ba lesela ntle le ho ama boemo ba ts'ebetso ea lisebelisoa, le ho ntlafatsa thepa ea lesela, e shebane le ho sila ho holimo ha merafo e meng.

Setsi sa rona se ipapisitse le maemo a ts'ebetso a 60-89 gyratory crusher ho rala liner tsa tšepe tsa alloy gyratory crusher hore li lumellane. The alloy linener e entsoeng ke maemo a sebetsang a ore erosive e na le nako e telele ea tšebeletso. E fokotsa nako ea ho fetola boto ea lesela, e khutsufatsa ka katleho nako ea ho fetola boto ea lesela, e fokotsa haholo tšebeliso ea lisebelisoa tse thusang le matla, e fokotsa matla a mosebetsi oa ts'ebetso ea lisebelisoa le basebetsi ba tlhokomelo, kahoo e ntlafatsa haholo lebelo la ts'ebetso ea lisebelisoa, e eketseha. tlhahiso ea tsamaiso e mahoashe ea ho senya, 'me e na le melemo e totobetseng ea moruo, polokeho le sechaba

Maemo a Mosebetsi

Ntho ea bohlokoa ea ts'ebetso ea crusher ke moralo oa liner cavity. Mohatla oa liner oa crusher e 'ngoe le e' ngoe ea 60-89 ea gyratory e entsoe ho latela kou ea ho tsoa ea ts'ebeliso ea tlhahiso. Mothating oa pele oa beneficiation thulaganyou e moralo, ho ea ka e fapaneng thulaganyou e tlhophiso le tshebetso parameters ho seta crusher qhala koung, 'me joale ho ea ka moralo oa liners cavity. Ka mor'a hore moralo oa sekoti sa liner o phethoe, kou ea ho lahla tlhahiso ea sebele e lokela ho bolokoa ka boleng bo behiloeng, e le ho netefatsa hore ho na le tekanyo ea khatello ea kelello ea likarolo tsohle tse tsamaeang tsa crusher le seaparo sa junifomo sa liner. Haeba boema-kepe ba ho lahla lisebelisoa bo hloka ho fetoloa ts'ebetsong ea tlhahiso, hoa hlokahala ho hlophisa bocha sebaka sa liner.

Hajoale, mochini oa tšepe oa manganese o sebelisitsoeng mochining oa 60-89 o mahoashe o silakanyang sebakeng sa morafo oa Qidashan Iron Mine o na le mathata a latelang: bophelo bo bokhutšoane ba ts'ebeletso, ho nkela sebaka khafetsa, nako e telele ea ho kenya, mosebetsi oa ho lokisa o rarahaneng, sekhahla sa ts'ebetso ea lisebelisoa tse tlase, etc.

• • Bophelo ba ts'ebeletso ea li-crusher liner tsa pele tsa manganese gyratory bo khuts'oane, boo bophelo ba ts'ebeletso ea likarolo tsa concave tsa gyratory e leng matsatsi a ka bang 45, 'me ba mantle a gyratory crusher ke matsatsi a ka bang 20. Hoa hlokahala ho emisa mochine khafetsa ho khutlisa poleiti ea lesela, e leng se bakang sekhahla se tlase sa ts'ebetso ea crusher.
  • Ho na le likarolo tse ngata tsa likarolo tsa gyratory crusher concave mme mokhoa oa ho kenya o rarahane. Ho kenya ka 'ngoe ho nka matsatsi a ka bang 5-7. Hobane letlapa la manganese le tla atolosoa tlas'a matla a ho senya, hoa hlokahala ho boloka lekhalo pakeng tsa lipoleiti tsa lesela nakong ea ho kenya. Lekhalo ha lea lokela ho ba le moqotetsane haholo kapa le leholo haholo, ho seng joalo, ts'ebetso e tloaelehileng ea lesela la lesela le tla ameha. Ka hona, ho nka nako e eketsehileng ho kenya poleiti ea lining. Ho nka nako e fetang likhoeli tse peli ho nka sebaka sa liner ea gyratory crusher e mahoashe selemo se seng le se seng, e thibelang sebaka sa ho ntlafatsa tlhahiso ea sistimi.
  • Lekhalo pakeng tsa lipoleiti tsa tšepe tsa manganese li tla tlosoa ha tšepe ea manganese e sebelisoa bakeng sa katoloso ea thepa ea tšepe ea manganese nakong ea tlhahiso. Nakong ena, karolo e atolositsoeng e lokela ho hlophisoa ka nako ho boloka lekhalo. Haeba ho tlosoa ho tlosoa, khatello e atolositsoeng ea letlapa le ka morao e fetisetsoa ho foreimi, e ka bakang tšenyo ea foreimi 'me litšenyehelo tsa tlhokomelo li phahame. Mosebetsi oa tlhokomelo o rarahane mme o hloka ho emisoa, e leng ho fokotsang lebelo la ts'ebetso ea lisebelisoa.

Khetho ea Lintho le Ntlafatso ea Cavity

Ho ipapisitsoe le maemo a ts'ebetso, moenjiniere oa rona o qala ho rala li-liner tse ncha tsa thepa mme ho entsoe mofuta o mocha oa liner cavity. Sekoti se ntlafetseng sa liner se kopantsoeng le lisebelisoa tsa alloy tse ntlafalitsoeng li ka lelefatsa bophelo ba tšebeletso ea liner le ho fokotsa nako e ncha ea liner ka 'ngoe.

The optimized liner e na le lintlafatso tse latelang.

1. Sebaka sa ho senya se ntlafatsoa le ho leka-lekana e le hore khatello ea maikutlo ea sebaka se seng le se seng sa ho sithabela se tšoane 'me ho apara ho leka-lekane.
2. Moqapi oa kamore e sithabetsang o ntlafatsoa, ​​boima bo setseng ba seaparo sa mantle le concave ha bo fokotsehe, 'me tekanyo e lekanang le ea tšebeliso ea seaparo sa mantle le concave e ntlafatsoa ka tekanyo e kholo ka ho fetisisa. Moqapi oa kamore e sithabetsang o ntlafatsoa, ​​boima ba masala a masala a cone e tsitsitseng le liner tsa cone tse tsamaeang li fokotseha le ho feta, 'me karo-karolelano ea ts'ebeliso ea seaparo sa mantle le concave e ntlafatsoa ho isa tekanyong e kholo.
3. Lisebelisoa tse fapaneng tsa alloy li khethiloe ho finyella litlhoko tse fapaneng tsa khatello ea maikutlo le maemo a ho roala holim'a poleiti ea lesela la karolo e 'ngoe le e' ngoe ea kamore e sithabetsang. Lera la pele ho ea karolong ea bone ea karolo ea gyratory crusher concave e entsoe ka motsoako o phahameng oa tšepe oa chromium. Ka ts'ebetso e thata ea ho lahla le mocheso oa mocheso, boima ba pele bo ka fihla ho 600hbn, bo ka finyellang litlhoko tsa ho hanyetsa ho hoholo ha lesela le bohareng le likarolo tse tlaase tsa kamore e sithabetsang Lera la bohlano le entsoe ka tšepe e phahameng ea manganese ho finyella litlhoko. ea ho hanyetsa tšusumetso le ho roala ho hanyetsa ha lesela la lining ka holim'a kamore e sithabetsang.
4. Liaparo tse tloaelehileng le tse teteaneng tsa gyratory crusher mantles li ntlafatsoa hore li lumellane le liaparo tsa gyratory crusher tlas'a maemo a fapaneng a ho apara, e le ho lelefatsa bophelo ba ts'ebeletso ea liphahlo tsa gyratory crusher mantle le ho qoba ho nkela liphahlo tsa gyratory crusher esale pele ka lebaka la ho hloleha ho boloka ts'ebetso. koung ea crusher ka boleng bo behiloeng. Karolo ea gyratory crusher concave e nka moralo oa mekhahlelo e meraro, 'me likarolo tse fapaneng li ka nkeloa sebaka ho ea ka maemo a fapaneng a ho roala Sekhahla sa ts'ebeliso ea mantle a gyratory crusher ea eketseha,' me litšenyehelo tsa ho roala likarolo tsa thepa li fokotsehile.
5. Mokhoa oa ho kenya karolo ea gyratory crusher concave e ntlafalitsoe, 'me katleho ea ts'ebetso ea ntlafatsoa. Ka lebaka la lisebelisoa tse phahameng tsa motsoako oa chromium tse khethiloeng ho tloha lera la pele ho ea karolong ea bone, joalokaha ho bontšitsoe setšoantšong sa 3, e ke ke ea atoloha tlas'a phello ea matla a ka ntle a ho senya, kahoo ha ho hlokahale ho boloka le ho lokisa lekhalo pakeng tsa lipoleiti tsa lesela. nakong ea ho kenya. Ho ka sebelisoa ho kenya li-contact ka ho toba ho potlakisa tsoelo-pele ea ho kenya le ho fokotsa nako ea tšebeliso ea ho kenya poleiti ea lining. Sheba Setšoantšo sa 4 bakeng sa ho lokisa mofuta oa taper pin pakeng tsa lera la bohlano la lipoleiti tse tsitsitseng tsa taper, tse sa nkeng nako e ngata ho fetola joalo ka ho kenngoa ha lipoleiti tsa bohlokoa.
6. Thepa ea gyratory crusher mantles e khetha tšepe ea alloy Mn18Cr2NiMoV. Tlas'a thepa ena e ncha, bophelo ba nako ea mantle bo ka eketseha ka 20%.

@Nick Sun       [email protected]