Saamiyada Sare ee Gold ayaa kor u kacaya natiijooyinka tolitaanka ugu fiican ilaa maanta

 

Sare-Dahab

Dahabka Sare (TSXV: SGI)  ayaa ka warbixiyey isgoyskii  ugu wacnaa ee qodista dhulka hoostiisa ilaa hadda ee macdanta dahabka ee Plutonic ee Galbeedka Australia.

19 ka mid ah godadka (in ka badan 1,855 mitir) ee la dhameeyay intii lagu jiray barnaamijka qodista ee socda, 17 isgoys ayaa la kulmay in ka badan 5 g/t Au. Natiijooyinka ugu wanaagsan waxaa ka mid ah: 56.3 g/t Au oo ka sarreeya 15.1 mitir, 10.2 g/t Au oo ka sarreeya 7.1 mitir iyo 11.9 g/t Au oo ka sarreeya 5.3 mitir.

"Isgoysyada 56.3 g/t Au in ka badan 15.1 mitir ayaa ah isgoyskeena ugu muhiimsan ilaa maanta tan iyo markii aan helnay howlaha dahabka ee Plutonic," Maamulaha guud Chris Bradbrook ayaa ku yiri sii deynta warbaahinta.

Waxa uu intaa ku daray in natiijooyinkani ay muujinayaan suurtagalnimada in la kordhiyo noloshayda "si ka badan shanta sano ee hore."

Hawlgalka  dahabka ee Plutonic  waxaa loo arkaa mid ka mid ah macdanta dahabka ee ugu weyn Galbeedka Australia marka loo eego wax soo saarka isugeynta. Macdanta godad furan waxay bilaabatay 1990 waxayna dhammaatay 2005, halka wax soo saarka dhulka hoostiisa uu socday ilaa 1995kii.

Saamiyada Superior Gold ayaa kor u kacay 17.4% duhurnimadii Arbacada. Dahabka da'da yar ee fadhigiisu yahay Toronto waxa uu leeyahay hanti-urursi suuqa oo dhan C$78.5 milyan.

Kubadda Mill Liner Xulashada Qalabka

Waxyaabaha kala duwan ee la jajabiyey, xaaladaha shaqada ee kala duwan waxay u baahan yihiin qalabyo kala duwan oo ku habboon. Sidoo kale, qaybta wax lagu shiido ee aan qallafsanayn iyo qaybta wax lagu shiido waxay u baahan tahay qalabyo kala duwan.

H&G ayaa bixiya agabka soo socda si aad u tuurto makiinadaada kubbadda:

 

Birta Manganese

Maaddada manganese ee saxanka sare ee birta birta manganese ee saxanka dahaarka guud ahaan waa 11-14%, kaarboonku guud ahaan waa 0.90-1.50%, kuwaas oo intooda badan ka sarreeya 1.0%. Markay tahay culayska saamaynta hooseeya, engegnaanta waxay gaari kartaa HB300-400. Marka culeyska sareeyo, engegnaanta waxay gaari kartaa HB500-800. Iyadoo ku xiran culeyska saameynta, qoto dheer ee lakabka adag wuxuu gaari karaa 10-20mm. Lakabka qallafsan ee leh qallafsanaanta sare waxay iska caabin kartaa saameynta waxayna yareyn kartaa dharbaaxada. Birta manganese-ka sare waxay leedahay wax qabad heer sare ah oo ka-hortagga xirashada iyadoo la raacayo xaaladda saameyn xooggan oo daal ah, sidaas darteed waxaa badanaa loo isticmaalaa qaybaha xirashada u adkaysta ee macdanta, qalabka dhismaha, awoodda kulaylka, iyo qalabka kale ee farsamada. Marka la eego shuruudaha xaaladaha saameynta hooseeya, birta manganese sare ma sameyn karto sifooyinka walxaha sababtoo ah saameynta adkeynta shaqadu maaha mid cad.

Halabuurka Kiimikada
Magaca Halabuurka Kiimikada (%)
C Si Mn Cr Mo Cu P S
Mn14 Mill Liner 0.9-1.5 0.3-1.0 11-14 0-2.5 0-0.5 ≤0.05 ≤0.06 ≤0.06
Mn18 Mill Liner 1.0-1.5 0.3-1.0 16-19 0-2.5 0-0.5 ≤0.05 ≤0.06 ≤0.06
 Guryaha makaanikada iyo qaab-dhismeedka biraha
Magaca Hardness Dusha sare (HB) Qiimaha Saamaynta Ak (J/cm2) Qaab-dhismeedka yar yar
Mn14 Mill Liner ≤240 ≥100 A+C
Mn18 Mill Liner ≤260 ≥150 A+C
C -Carbide | Carbide A-ustenite la hayo | Austenite
Tilmaamaha alaabta
 Cabbirka  Hole Dia (mm)  Dhererka xadhkaha (mm)
≤40 ≥40 ≤250 ≥250
 Dulqaad +20 +30 +20 +30

 

Birta Daawaha ee Chrome

Birta daawaha ee Chromium waxa loo qaybiyaa birta chromium aluminium sare ah (koox ka kooban 8-26% kaarboon ka kooban 2.0-3.6%), birta daawaha chromium dhexdhexaad ah ( content chromium 4-6%, content carbon 2.0-3.2%), hoose Saddex nooc oo ah birta dabaysha (ka kooban chromium 1-3%, kaarboonka 2.1-3.6%). Muuqaalkeeda cajiibka ah ayaa ah in microhardness ee M7C3 eutectic carbide uu yahay HV1300-1800, kaas oo loo qaybiyo qaab shabakad jaban oo go'doonsan martensite (qaabka ugu adag ee shaxanka birta) matrix, yaraynta saameynta dillaaca ee matrixka. Sidaa darteed, xargaha daawaynta sare ee chromium-ka ayaa leh awood sare, adkaanta kubbadda, iyo caabbinta sare ee dharka, iyo waxqabadkeedu wuxuu ka dhigan yahay heerka ugu sarreeya ee qalabka birta u adkaysta ee hadda jira.

Halabuurka Kiimikada

Magaca Halabuurka Kiimikada (%)
C Si Mn Cr Mo Cu P S
Khadka Sare ee Aloyiga Chrome 2.0-3.6 0-1.0 0-2.0 8-26 ≤3.0 ≤1.2 ≤0.06 ≤0.06
Dhexdhexaadiyaha Alloy Chrome 2.0-3.3 0-1.2 0-2.0 4-8 ≤3.0 ≤1.2 ≤0.06 ≤0.06
Xadhkaha Dabeecadda Aloyiga ee Chrome Low 2.1-3.6 0-1.5 0-2.0 1-3 0-1.0 ≤1.2 ≤0.06 ≤0.06

Guryaha makaanikada iyo qaab-dhismeedka biraha

Magaca  Dusha sare (HRC) Ak (J/cm2)  Qaab-dhismeedka yar yar
Khadka Sare ee Aloyiga Chrome ≥58 ≥3.5 M+C+A
Dhexdhexaadiyaha Alloy Chrome ≥48 ≥10 M+C
Xadhkaha Dabeecadda Aloyiga ee Chrome Low ≥45 ≥15 M+C+P
M- Martensite C - Carbide A-Austenite P-Pearlite

Tilmaamaha alaabta

Cabbirka  Hole Dia. (mm) Dhererka xadhkaha (mm)
≤40 ≥40 ≤250 ≥250
Dulqaad +20 +30 +20 +30

 

Cr-Mo Alloy Steel

Mashiinnada H&G waxay adeegsadaan birta daawaynta ee Cr-Mo si ay u tuuraan makiinada wax-shiidka. Walaxdan oo ku salaysan heerka Australia, (AS2074 Standard L2B, iyo AS2074 Standard L2C) waxa ay bixisa saamayn heersare ah oo ay xidhato iska caabin dhammaan codsiyada wax-shiidka ee semi-autogenous.

Halabuurka Kiimikada

Koodhka Walxaha Kiimikada (%)
C Si  Mn Cr Mo Cu P S
L2B 0.6-0.9 0.4-0.7 0.6-1.0 1.8-2.1 0.2-0.4 0.3-0.5 ≤0.04 ≤0.06
L2C 0.3-0.45 0.4-0.7 1.3-1.6 2.5-3.2 0.6-0.8 0.3-0.5 ≤0.04 ≤0.06

Hantida Jirka & Dhismayaasha yar yar

Koodhka Hardness (HB) Ak (J/cm2) Qaab-dhismeedka yar yar
L2B 325-375 ≥50 P
L2C 350-400 ≥75 M
M-Martensite, C-Carbide, A-Austenite, P-Pearlite

 

Ni-hard Steel

Ni-Hard waa bir shub ah oo cad, oo lagu daray nikkel iyo chromium oo ku habboon saamaynta hoose, naaxinta simbiriirixan ee codsiyada qoyan iyo kuwa qalalan. Ni-Hard waa shay aad u adkaysi badan, oo lagu shubay foomamka iyo qaababka kuwaas oo ku habboon in loo isticmaalo meelaha xoqan iyo xidhashada jawiga iyo codsiyada.

Halabuurka Kiimikada

Magaca C Si Mn Ni Cr S P Mo Adag
Ni-Hard AS2027 Gr Ni Cr 1-550 3.2-3.6 0.3-0.8 0.2-0.8 3.0-5.0 1.5-3.0 ≤0.12 ≤0.15 ≤0.5 550-600HBN
Ni-Hard AS2027 Gr Ni Cr 2-550 2.8-3.2 0.3-0.8 0.2-0.8 3.0-5.0 1.5-3.0 ≤0.12 ≤0.15 ≤0.5 500-550HBN
Ni-Hard AS2027 Gr Ni Cr 2-550 3.2-3.6 1.5-2.2 0.2-0.8 4.0-5.5 8.0-10.0 ≤0.12 ≤0.15 ≤0.5 630-670HBN

 

Birta Cad ee Birta

Qalabka birta cad ayaa lagula talinayaa in lagu isticmaalo xaalad shaqo oo saameyn yar sida:
 
1. Xadhkaha gudbinta suunka ee warshadaha macdanta.
2. Warshada kubadda sibidhka.
3. Kiimikada kubbadda warshadaha.

Halabuurka Kiimikada

Magaca Halabuurka Kiimikada (%)
C Si Mn Cr Mo Cu P S
Xadhkaha Birta Cad ee Birta 2.0-3.3 0-0.8 ≤2.0 12-26 ≤3.0 ≤1.2 ≤0.06 ≤0.06

Hantida Jirka & Dhismayaasha yar yar

Magaca HRC  Ak (J/cm2) Qaab-dhismeedka yar yar
Xadhkaha Birta Cad ee Birta ≥58 ≥3.5 M+C+A
M-Martensite C- Carbide A-Austenite

 

Haddii aad hayso su'aal gaar ah, fadlan la xidhiidh injineerkayaga si uu kuugu adeego!

 

Nick Sun        [email protected]


Waqtiga boostada: Juun-19-2020