Kinross kawm pegs Lobo-Marte capex ntawm $ 1 nphom

Kinross Gold's Lobo-Marte kub project nyob rau sab qaum teb Chile tuaj yeem tsim tau tag nrho 4.5 lab oz. kub tshaj 15-xyoo kuv lub neej ntawm tus nqi kwv yees ntawm $ 995 lab, raws li kev tshawb fawb ua ntej (PFS) tau tshaj tawm hnub Wednesday.

Qhov ze li ntawm $ 1-billion tus nqi tag rau qhov project, nyob rau hauv Maricunga mining koog tsev kawm ntawv, suav nrog $ 230-million contingency.

Qhov project yuav nthuav dav qhib qhov mining ntawm ob qhov tso nyiaj nrog qhov nruab nrab ntawm qhov sib piv ntawm 2.2, heap-leach rov qab thiab SART (sulphidization, acidification, recycling thiab thickening) cog.

Mining yuav siv sijhawm li 12 xyoos, tom qab ntawd peb xyoos ntawm kev ua cov khoom seem. Qhov nruab nrab tag nrho cov nqi txhawb nqa ib oz. kub ntawm Lobo-Marte yog kwv yees li ntawm $745; qhov kub rov qab yuav tsum yog 71%.

Cov phiaj xwm kev lag luam rov qab los yog qhov tseem ceeb rau tus nqi kub. Ntawm Kinross tus nqi cia ntawm $ 1,200 ib oz. kub, qhov project tus nqi tam sim no (NPV) yog kwv yees li ntawm $ 150 lab thiab nws tus nqi rov qab los (IRR) tsuas yog 7%. Ntawm qhov kev pom zoo mus ntev tus nqi ntawm $ 1,500 ib oz. kub, NPV nce mus txog $ 770 lab thiab IRR rau 14%. Thiab ntawm tus nqi ntawm $ 1,800 ib oz. kub, NPV nce mus rau $ 1.4 billion thiab IRR rau 21%.

NPV yog raws li 5% luv nqi, suav txij lub Ib Hlis 1, 2024.

PFS xav txog kev tsim kho qhov project pib hauv 2025, nrog rau thawj qhov kev tsim khoom tom qab xyoo 2027. Kinross cia siab tias qhov mining ntawm Lobo-Marte yuav ua raws li kev rov pib dua ntawm qhov ze La Coipa mine, nyob 50 km sab qaum teb hnub poob.

"Qhov project Lobo-Marte muab Kinross nrog qhov kev xaiv zoo tshaj plaws, kev txhim kho organic uas muaj txiaj ntsig zoo rau txhua tus nqi txhawb nqa thiab muaj txiaj ntsig zoo rau tus nqi kub, yam tsis muaj qhov xav tau ntawm cov nqi tsim nyog thiab kev pheej hmoo," said J. Paul Rollinson, Kinross tus thawj tswj hwm. thiab CEO, hauv kev tshaj tawm.

"Lub phiaj xwm sawv cev rau qhov muaj peev xwm sib koom ua ke, mus sij hawm ntev mine lub neej txuas ntxiv nyob rau hauv txoj cai mining muaj txiaj ntsig thiab xa tawm qhov tseem ceeb 6.4 lab ooj ntxiv rau peb qhov kev kwv yees kub tam sim no, nce lub tuam txhab tag nrho cov peev nyiaj kuv lub neej. Raws li peb mus rau pem hauv ntej nrog txoj kev tshawb fawb txog qhov ua tau rau qhov project mus sij hawm ntev, peb yuav txuas ntxiv qhov tseem ceeb ntawm daim ntawv tshuav nyiaj li cas thiab kev qhuab ntuas peev nyiaj txiag. "

Raws li ib feem ntawm txoj kev tshawb fawb, lub tuam txhab tau tshaj tawm txog kev khaws cia ntawm Lobo-Marte thawj zaug. Tej zaum cov khoom muaj nqis sawv ntawm 146.8 lab tonnes muab qhab nia 1.36 g / t kub rau 6.4 lab muaj ooj. Daim duab nce Kinross cov nyiaj khaws cia los ntawm 25%.

Lub tuam txhab npaj yuav pib qhov kev tshawb fawb muaj peev xwm ntawm Lobo-Marte tom qab lub xyoo no, thiab kom nws ua tiav nyob rau lub quarter thib plaub ntawm 2021.

Nws hais tias kev txiav txim siab tsim kho yuav raug txiav txim siab raws li ntau yam, suav nrog tus nqi kub thiab tus nqi kwv yees, kev xav tau nyiaj txiag rov qab, tso cai thiab Kinross qhov tseem ceeb ntawm peev. Kinross tau txais qhov project hauv 2009 los ntawm cov tswv yav dhau los Teck Resources thiab Anglo American.

Thaum Lub Ob Hlis, Kinross tshaj tawm tias nws yuav mus tom ntej nrog kev rov pib dua ntawm La Coipa, uas nws xav tias yuav tsim 690,000 kub sib npaug oz. txij xyoo 2022 mus txog 2024. Cov txheej txheem uas twb muaj lawm ntawm lub chaw pw hav zoov yuav raug kho dua tshiab thiab cov mine fleet los ntawm nws qhov chaw nyob ze Maricunga, uas nyuam qhuav muab tso rau hauv kev saib xyuas thiab kev saib xyuas, yuav rov ua haujlwm dua rau qhov chaw. Tus nqi pib peev yog pegged ntawm $ 225 lab.

Ib tag hmo Wednesday, Kinross cov khoom lag luam poob ze li 1.8% ntawm TSE. Lub tuam txhab muaj C $ 12.9 billion kev lag luam peev.

Daim ntawv thov ntawm H&G Machinery 's gyratory crusher liner hauv 60-89 gyratory crusher

Muaj 60-89 gyratory crusher hauv peb cov neeg siv khoom (Qidashan Iron Mine). Lub neej kev pab cuam ntawm tus thawj manganese gyratory crusher liner yog luv luv thiab lub sij hawm hloov yog ntau tshaj li ob lub hlis nyob rau hauv ib xyoos, uas cuam tshuam rau lub lag luam tus nqi ntawm lub crushing system thiab txwv tsis pub cov kev pab cuam tom qab nce ntawm industrial system tso zis.

Txhawm rau txhawm rau txhim kho lub neej ntawm lub neej ntawm crusher, ua kom luv lub sijhawm hloov lub liner, txhawm rau txhim kho cov haujlwm crusher thiab ua tiav cov txiaj ntsig ntawm kev nqis peev tsawg thiab ntau cov khoom tsim tawm, Qidashan Iron Mine tau hais kom peb ua kom zoo dua cov kab noj hniav hom ntawm cov teb crusher, ntxiv txhim kho lub neej hauv ob sab phlu tsis cuam tshuam rau cov khoom siv ua haujlwm, thiab txhim kho cov khoom siv hauv ob sab phlu, aiming ntawm kev sib tsoo siab ntawm qee qhov mines.

Peb qhov chaw tsim khoom raws li 60-89 gyratory crusher ua haujlwm los tsim cov hlau alloy steel gyratory crusher liner kom haum. Alloy liner tsim los ntawm kev ua haujlwm ntawm erosive ore muaj lub neej ua haujlwm ntev. Nws txo lub sij hawm ntawm kev hloov lub rooj tsav xwm hauv ob sab phlu, ua kom lub sij hawm luv luv ntawm cov ntaub ntawv hloov pauv, txo qis kev siv cov khoom siv thiab lub zog, txo cov kev siv ntawm cov cuab yeej siv ua haujlwm thiab cov neeg ua haujlwm tu, yog li txhim kho kev ua haujlwm ntawm cov cuab yeej, nce ntxiv. cov zis ntawm cov ntxhib crushing system, thiab muaj kev pom tseeb ntawm kev lag luam, kev nyab xeeb thiab kev sib raug zoo

Cov xwm txheej ua haujlwm

Qhov tseem ceeb ntawm kev ua haujlwm ntawm crusher yog qhov tsim ntawm kab noj hniav. Lub kab noj hniav ntawm txhua 60-89 gyratory crusher yog tsim raws li qhov chaw nres nkoj tawm ntawm daim ntawv thov ntau lawm. Nyob rau theem pib ntawm kev tsim cov txheej txheem tsim, raws li cov txheej txheem sib txawv thiab kev ua haujlwm tsis ua haujlwm los teeb tsa lub crusher tawm chaw nres nkoj, thiab tom qab ntawd raws li tus qauv tsim ntawm cov kab noj hniav. Tom qab tsim cov kab noj hniav ua tiav, qhov chaw nres nkoj tawm hauv cov khoom siv tiag tiag yuav tsum tau khaws cia ntawm tus nqi tsim nyog, txhawm rau kom ntseeg tau tias muaj kev ntxhov siab ntawm txhua qhov khiav ntawm lub crusher thiab cov khaub ncaws hnav ntawm liner. Yog tias cov khoom siv tawm qhov chaw nres nkoj yuav tsum tau hloov pauv hauv kev xyaum tsim khoom, nws yog ib qho tsim nyog yuav tsum rov tsim kho cov kab noj hniav.

Tam sim no, cov manganese steel liner siv nyob rau hauv 60-89 ntxhib crushing voj voog crusher nyob rau hauv lub mining cheeb tsam ntawm Qidashan hlau Mine muaj cov nram qab no teeb meem: luv luv kev pab cuam lub neej, nquag hloov, lub sij hawm ntev installation, complex txij nkawm ua hauj lwm, tsis tshua muaj cov cuab yeej ua hauj lwm tus nqi, lwm.

• • Lub neej kev pab cuam ntawm tus thawj manganese gyratory crusher liner yog luv, uas lub neej kev pab cuam ntawm lub gyratory crusher concave ntu yog hais txog 45 hnub, thiab hais tias ntawm gyratory crusher mantles yog nyob ib ncig ntawm 20 hnub. Nws yog ib qho tsim nyog yuav tsum tau nres lub tshuab ntau zaus los hloov cov phaj hauv ob sab phlu, uas ua rau lub tshuab ua haujlwm qis ntawm crusher.
  • Muaj ntau daim ntawm gyratory crusher concave ntu thiab cov txheej txheem kev teeb tsa yog nyuaj. Txhua qhov kev teeb tsa yuav siv li 5-7 hnub. Vim hais tias cov manganese steel hauv ob sab phlu yuav txuas ntxiv nyob rau hauv lub crushing quab yuam, nws yog ib qho tsim nyog yuav tsum tau tseg qhov sib txawv ntawm cov phaj hauv ob sab phlu thaum lub sij hawm installation. Qhov sib txawv yuav tsum tsis txhob nqaim lossis dav dhau, txwv tsis pub, kev ua haujlwm ib txwm ntawm cov phaj hauv ob sab phlu yuav raug cuam tshuam. Yog li ntawd, nws yuav siv sij hawm ntau dua los txhim kho lub phaj hauv ob sab phlu. Nws yuav siv sij hawm ntau tshaj li ob lub hlis los hloov lub liner ntawm ntxhib crushing gyratory crusher txhua txhua xyoo, uas hnyav txwv qhov chaw rau kev txhim kho lub system tso zis.
  • Qhov sib txawv ntawm cov manganese steel liner daim hlau yuav raug tshem tawm thaum cov hlau manganese siv rau kev txuas ntxiv ntawm cov khoom siv hlau manganese thaum lub sijhawm tsim khoom. Lub sijhawm no, qhov txuas ntxiv yuav tsum tau npaj tawm hauv lub sijhawm kom tswj tau qhov sib txawv. Yog tias qhov kev tshem tawm raug tshem tawm, qhov kev ntxhov siab txuas ntxiv ntawm cov phaj hauv qab yog xa mus rau lub thav duab, uas yuav ua rau muaj kev puas tsuaj rau tus ncej thiab tus nqi kho mob siab. Kev ua haujlwm txij nkawm yog qhov nyuaj thiab yuav tsum tau tso tseg, uas txo qhov kev ua haujlwm ntawm cov khoom siv.

Kev xaiv cov khoom thiab kev txhim kho kab noj hniav

Raws li kev ua haujlwm, peb tus engineer pib tsim cov ntaub ntawv tshiab thiab ib hom tshiab ntawm cov kab noj hniav tau tsim. Kev txhim kho kab noj hniav ua ke nrog cov khoom siv zoo tshaj plaws tuaj yeem ua kom lub neej ntev ntawm cov liner thiab txo lub sij hawm hloov ntawm txhua lub liner.

Lub optimized liner muaj cov kev txhim kho hauv qab no.

1. Lub crushing cheeb tsam yog optimized thiab sib npaug kom qhov kev nyuaj siab ntawm txhua crushing cheeb tsam yog uniform thiab hnav yog balanced.
2. Tus tsim ntawm lub crushing chamber yog txhim kho, qhov hnyav residual ntawm mantle thiab concave yog tsawg thiab zoo ib yam, thiab kev sib piv thiab kev siv piv ntawm lub mantle thiab concave yog txhim kho mus rau qhov loj tshaj plaws. Tus tsim ntawm lub crushing chamber yog txhim kho, qhov hnyav residual ntawm lub khob hliav qab ruaj thiab txav lub khob hliav qab yog tsawg dua thiab zoo ib yam, thiab qhov sib piv thiab kev siv ntawm lub mantle thiab concave yog txhim kho mus rau qhov loj tshaj plaws.
3. Cov ntaub ntawv sib txawv alloy raug xaiv kom ua tau raws li qhov xav tau sib txawv ntawm qhov sib txawv ntawm kev ntxhov siab thiab hnav cov xwm txheej ntawm lub phaj hauv ob sab phlu ntawm txhua qhov ntawm lub crushing chamber. Thawj txheej mus rau plaub txheej ntawm gyratory crusher concave ntu yog ua los ntawm siab chromium cam khwb cia hlau alloy. Los ntawm kev nruj nreem casting thiab kev kho cua sov txheej txheem, qhov pib hardness tuaj yeem ncav cuag 600hbn, uas tuaj yeem ua tau raws li qhov yuav tsum tau ua ntawm kev hnav tsis kam ntawm cov phaj hauv nruab nrab thiab qis ntawm crushing chamber Lub thib tsib txheej yog ua los ntawm siab manganese cam khwb cia hlau kom tau raws li qhov yuav tsum tau ua. ntawm kev cuam tshuam tsis kam thiab hnav tsis kam ntawm cov phaj phaj nyob rau sab saum toj ntawm crushing chamber.
4. Tus qauv thiab thickened gyratory crusher mantles yog tsim los ua kom haum nrog cov gyratory crusher mantles nyob rau hauv cov kev sib txawv hnav degrees, thiaj li mus ntev lub neej kev pab cuam ntawm lub gyratory crusher mantles thiab tsis txhob hloov lub gyratory crusher mantles ua ntej vim tsis ua hauj lwm los tswj cov paug. chaw nres nkoj ntawm lub crusher ntawm tus nqi teev. Lub gyratory crusher concave ntu tau txais kev tsim peb txheej, thiab cov khoom sib txawv tuaj yeem hloov tau raws li kev hnav khaub ncaws sib txawv Cov nqi siv hluav taws xob ntawm gyratory crusher mantles tau nce, thiab tus nqi ntawm cov khoom hnav ntawm cov khoom raug txo.
5. Txoj kev teeb tsa ntawm gyratory crusher concave ntu tau txhim kho, thiab kev ua haujlwm tau zoo dua qub. Vim tias cov khoom siv chromium alloy siab tau xaiv los ntawm thawj txheej mus rau plaub txheej, raws li qhia hauv daim duab 3, nws yuav tsis txuas ntxiv nyob rau hauv cov nyhuv ntawm crushing sab nraud quab yuam, yog li nws tsis tas yuav tsum tau khaws cia thiab kho qhov sib txawv ntawm cov phaj hauv ob sab phlu. thaum lub sij hawm installation. Kev sib cuag ncaj qha tuaj yeem raug saws los ua kom qhov kev txhim kho kev nce qib thiab txo lub sijhawm noj ntawm cov phaj phaj installation. Saib daim duab 4 rau taper pin hom fixation nruab nrab ntawm lub thib tsib txheej ntawm taper hauv ob sab phlu daim hlau, uas tsis siv sij hawm ntau lub sij hawm los kho ib yam li tus thawj installation ntawm cov tseem ceeb hauv ob sab phlu daim hlau.
6. Cov khoom siv gyratory crusher mantles xaiv Mn18Cr2NiMoV alloy hlau. Raws li cov khoom tshiab no, lub mantle ncua lub neej tuaj yeem nce 20%.

@Nick Sun       [email protected]