Codelco ncua kev tsim kho sab qaum teb

Chile lub xeev tswj hwm Codelco tooj liab miner tau hais rau hnub Saturday nws yuav ncua kev tsim kho cov haujlwm nyob rau sab qaum teb ntawm lub tebchaws thiab sim tswj kev tsim khoom ntawm nws cov Chuquicamata mine thaum ua haujlwm nrog cov neeg ua haujlwm hauv zos.

Lub tuam txhab tau tshaj tawm cov lus tshaj tawm hais tias nws tab tom siv cov kev ntsuas los tiv thaiv kev kis tus kabmob coronavirus tom qab tsoomfwv tau tshaj tawm tias muaj tus kabmob kis kabmob kis tau nce ntxiv rau hnub Saturday.

Nrog rau kev siv zog los txhim kho nws cov lus ceeb toom ntau-hais txog kev tuag ntawm tus kab mob, tsoomfwv tau nce nws qhov kwv yees tus neeg mob tuag rau ntau dua 7,000 los ntawm qhov tau lees paub yav dhau los 4,265.

Codelco tshaj tawm tuaj ntau teev tom qab tus kabmob coronavirus thib ob ntawm tus neeg ua haujlwm Codelco tau lees paub.

Lub tuam txhab tau hais tias nws qhov Chuquicamata mine, qhov twg thawj tus kabmob tuag tau tshwm sim thaum ntxov lub hlis no, tsuas yog yuav ua haujlwm nrog cov neeg ua haujlwm los ntawm lub nroog Calama uas nyob sib ze txhawm rau txhawm rau kis tus kabmob sib kis.

"Los ntawm tam sim no mus rau cov neeg ua haujlwm tsuas yog los ntawm Calama," tsab ntawv tshaj tawm hais tias, "yuav ua rau muaj kev siv zog los tswj cov qib kev tsim khoom ntawm lub mine."

Kev tsim kho kev lag luam txhawm rau ua kom tiav txoj haujlwm Chuquicamata Subterranea nyob rau sab qaum teb Chile yuav raug ncua vim lub tuam txhab nruj nws cov kev tiv thaiv kab mob, cov lus tau hais.

Ball Mill Liner Installation Requirements

1. Tom qab lub zeb liner tau teeb tsa, qhov kawg hauv ob sab phaj thiab lub tog raj kheej kawg npog yuav tsum tau ntim nrog compressive zog qib 43.5MPa cement mortar.
2. Cov bolts kho qhov kawg liner yuav tsum tsis txhob cia cov cement mortar txaus, tab sis yuav tsum tau tig los yog nkag mus thiab tawm.
3. Lub pob zeb hauv ob sab phlu feem ntau yog kev taw qhia, koj yuav tsum tau them sai sai rau nws thaum lub sijhawm teeb tsa, tsis txhob thim rov qab.
4. Lub arc ntev ntawm tag nrho cov hlaws hlaws yuav tsum tsis pub tshaj 310mm, thiab cov tshaj yuav tsum tau wedged nrog steel daim hlau kom cais nws.
5. Qhov sib txawv ntawm cov kab uas nyob ib sab yog tsis ntau tshaj 3 ~ 9mm.
6. Lub interlayer yuav tsum tau muab tso rau raws li tus qauv tsim ntawm lub liner thiab sab hauv ntawm lub tog raj kheej. Yog tias tsis muaj qhov yuav tsum tau ua, cov cement mortar nrog lub zog compressive ntawm 42.5MPa tuaj yeem ua tiav ntawm ob. Tom qab cov cement mortar tau teeb tsa, nruj cov liner bolts dua.
7. Thaum txhim kho lub liner nrog roj hmab ncoo, qhib cov ntawv coiled roj hmab 3 mus rau 4 lub lis piam ua ntej kev teeb tsa kom tso cai rau nws ncab dawb; Thaum siv cov ntawv roj hmab, sab ntev ntawm daim ntawv roj hmab yuav tsum ua raws li cov kev taw qhia axial ntawm lub tog raj kheej, Lub sab luv ua raws li qhov ncig ntawm lub tog raj kheej.
8. Ua tib zoo xyuas cov qhov ntsia hlau qhov thiab cov geometry ntawm lub liner bolts, thiab ua tib zoo ntxuav lub flash qhov, burrs, thiab protrusions ntawm lub liner bolt qhov thiab lub liner bolts thiaj li hais tias cov bolts tuaj yeem nkag mus rau hauv txoj haujlwm xav tau.
9. Cov txheej txheem tag nrho yuav tsum muaj cov ntsia hlau ntsia hlau, cov tshuab ntxhua khaub ncaws, cov ntxhua khaub ncaws, lub caij nplooj ntoos hlav ntxhua khaub ncaws, thiab cov txiv ntoo; txhawm rau tiv thaiv cov hmoov tshauv, koj yuav tsum tsis txhob hnov ​​​​qab siv cov plua plav plua plav thaum siv.
10. Thaum zawm cov bolts hauv ob sab phlu, yuav tsum siv lub torque wrench rau kev ua haujlwm. Nyob rau hauv ob sab phlu bolts ntawm txawv specifications yuav tsum tau nruj me ntsis raws li tus coj nruj torque yuav tsum tau.

Ball Mill Liner Installation

1. Ua ntej txhim kho lub pob zeb liners, koj yuav tsum paub pes tsawg pcs qub zeb liners yuav tsum tau pauv.
2. Nug tus kws tshaj lij los npaj thiab sib koom ua ke tag nrho cov txheej txheem hloov pauv. Txhua qhov kev sib pauv xav tau raws li kev kos duab ua haujlwm.
3. Nws yog ib qho tsim nyog yuav tsum tau muab cov ntaub so ntswg nyob rau hauv lub pob zeb kom ntau li ntau tau, tshem tawm cov roj hmab ncoo ntawm cov khib nyiab liner, ntxuav qhov taw tes ntawm phab ntsa ntawm lub pob zeb, thiab tshem tawm cov plua plav thiab descale lub tog raj kheej. Thaum ntxuav kev ua haujlwm, nws yog ib qho tsim nyog los kho lub thoob ntawm lub pob zeb. Lub rooj cob qhia yuav tsum muaj qhov cua zoo thiab qhov kub zoo. Tom qab ntawd tus installer tuaj yeem nkag mus rau lub pob zeb chim kom pib ua haujlwm.
4. Thaum tshem tawm cov qub pob zeb liner, ua ntej tshem cov siv hauv ob sab phlu, ces tshem tawm cov qub pob zeb liner ib kab tom qab ib kab, thiab ces nqa lub pob zeb liner siv. Thaum tshem tawm cov liner, tus neeg yuav tsum tau ua tib zoo saib xyuas kev nyab xeeb thiab ua tib zoo saib xyuas qhov chaw sawv ntsug kom tsis txhob raug mob los ntawm lub pob zeb liner.
5. Lub liner tshiab ntawm lub pob zeb yuav tsum tau muab ntsia kom ntseeg tau tias qhov sib txawv ntawm lub sijhawm yog nyob rau hauv qhov yuav tsum tau muaj. Kho cov kauv ntawm lub pob zeb liner. Ua tib zoo kaw cov ntim thiab gasket kom tiv thaiv kom tsis txhob muaj cov hmoov ntxhia. Yog tias tsis muaj gasket, nws yuav tsum tau qhwv ib ncig ntawm qhov chaw sib xws. Ob lub voj voog ntawm paj rwb los yog hemp ntxiv rau cov roj txhuas. Nyob rau tib lub sijhawm, nws yog ib qho tsim nyog yuav tsum tau siv ib txheej ntawm cov cement mortar rau ntawm phab ntsa sab hauv ntawm lub tog raj kheej thiab ntsia hlau kom nruj ua ntej solidification. Nws yuav tsum tau muab sau tseg tias nyias kawg ntawm cov kauj ruam liner yuav tsum ua raws li cov kev taw qhia ntawm xub nyob rau hauv cov kev taw qhia ntawm kev sib hloov ntawm lub zeb.
6. Tom qab kev hloov pauv, cov neeg ua haujlwm pob zeb yuav tsum tau lees paub tias tsis muaj tus neeg, tsis muaj cov cuab yeej ua haujlwm, thiab lwm yam tsis xav tau ntawm lub tog raj kheej, thiab nws yuav tsum ua tib zoo xyuas cov sab hauv thiab sab nraud ntawm lub tog raj kheej ua ntej kaw qhov khoob khoob.

@Nick Sun       [email protected]