Iamgold inomisa mashandiro muSuriname pakati penyaya dzeCovid-19
Mucheri wegoridhe wekuCanada Iamgold nemusi weChipiri akamisa basa pamugodhi wake wegoridhe weRosebel kuSuriname sezvo mubatanidzwa wevashandi wakapa gwaro rekumisa basa mushure mekunge vashandi vanomwe vaongororwa kuti vane coronavirus.
Kambani iyi yakati vashandi vane hutachiona vakagariswa vari voga uye iri kutora matanho ekuuraya hutachiona hwekugara nekushanda kwevashandi, asi mubatanidzwa wakashandisa imwe yenzira dzekudzivirira sechikonzero chekumisa basa.
"Nekuda kwekupokana neMubatanidzwa pakuitwa kweCovid-19 matanho ekudzora, tiri kumisa mashandiro kusvika kudzora kwakakodzera kwavapo kuchengetedza kuchengetedzeka kwevashandi vese," kambani yakadaro mukutaura.
Vacheri pasi rose vakambomisa kugadzirwa kwemimwe migodhi yavo nekuda kwedenda reCovid-19 uye kuvharika kwakarairwa nehurumende kumisa kupararira kwehutachiona.
Iamgold yakati yakashandisa mitemo yezvekufambiswa kwevanhu munharaunda, nhanho dzehutsanana uye yakadzora vashandi vayo panzvimbo yemugodhi mushure mekuputika.
Mutauriri wemubatanidzwa, VaOtmar Biswane, vakaudza nhepfenyuro yemuno neChipiri kuti nzira dzekuchengetedza hadzina kukwana.
"Hakusi kuti hapana kupihwa zvachose, asi zvisungo hazvisi zvekuti unogona kugarisa vanhu vakawanda mumusasa mumwe chete uye unongoda kuita 100% kugadzira kuburikidza nedenda iri," akadaro.
Mugodhi wegoridhe weRosebel ndewakawanda wemugodhi wekuCanada, ukuwo hurumende yeSouth America ine zvikamu zvishanu kubva muzana.
Ball Mill Liner Material Sarudzo
Yakasiyana yakapwanyika zvinhu, akasiyana ekushanda mamiriro anoda akasiyana zvinhu liner kuti aenderane. Zvakare, iyo yakakasharara yekukuya compartment uye yakanaka yekukuya compartment inoda akasiyana matinji.
H&G Michina inopa zvinotevera zvinhu kukanda yako bhora chigayo liner:
Manganese Steel
Iyo manganese yemukati meyakakwira manganese simbi bhora chigayo lining plate inowanzo 11-14%, uye iyo kabhoni yemukati inowanzo 0.90-1.50%, mazhinji ayo ari pamusoro pe1. Pamitoro yakaderera, kuoma kunogona kusvika HB300-400. Pakukwirisa mitoro, kuoma kunogona kusvika HB500-800. Zvichienderana nekutakura mutoro, kudzika kweiyo yakaomeswa layer inogona kusvika 10-20mm. Iyo yakaomeswa layer ine kuomarara kwakanyanya inogona kuramba kukanganisa uye kuderedza abrasive kupfeka. Yakakwira manganese simbi ine yakanakisa anti-kupfeka mashandiro pasi pemamiriro eiyo yakasimba kukanganisa abrasive kupfeka, saka inowanzoshandiswa munzvimbo dzisingapfeki dzemigodhi, zvekuvaka, simba rekupisa, uye zvimwe zvemichina. Pasi pemamiriro ekuderera kwemamiriro ezvinhu, yakakwira manganese simbi haigone kuita hunhu hwechigadzirwa nekuti basa rekuomesa mhedzisiro haisi pachena.
Kuumbwa Kwemakemikari
Zita | Kuumbwa Kwemakemikari (%) | |||||||
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 |
Mechanical properties uye metallographic structure
Zita | Kuoma Kwepamusoro (HB) | Impact value Ak (J/cm2) | Microstructure |
Mn14 Mill Liner | ≤240 | ≥100 | A+C |
Mn18 Mill Liner | ≤260 | ≥150 | A+C |
C -Carbide | Carbide A-Yakachengetwa austenite | Austenite |
Product specification
Size | Hole Dia. (mm) | Liner Length (mm) | ||
≤40 | ≥40 | ≤250 | ≥250 | |
Kushivirira | +20 | +30 | +2 | +3 |
Chrome Alloy Steel
Chromium alloy cast iron yakakamurwa kuita yakakwira chromium alloy cast iron (chromium content 8-26% carbon content 2.0-3.6%), medium chromium alloy cast iron (chromium content 4-6%, carbon content 2.0-3.2%), yakaderera chromium Mhando nhatu dzealloy cast iron (chromium content 1-3%, carbon content 2.1-3.6%). Chinhu chayo chinoshamisa ndechekuti microhardness yeM7C3 eutectic carbide iHV1300-1800, iyo inogoverwa muchimiro chetambo yakaputsika uye yakaparadzaniswa pane martensite (iyo yakaoma zvikuru musimbi matrix) matrix, kuderedza cleavage effect pamatrix. Naizvozvo, iyo yakakwira-chromium alloy liner ine simba rakawanda, bhora rehuyo kusimba, uye yakakwirira kupfeka kuramba, uye kuita kwayo kunomiririra nhanho yepamusoro yezvinhu zvazvino zvesimbi zvinopfekwa.
Kuumbwa Kwemakemikari
Zita | Kuumbwa Kwemakemikari (%) | |||||||
C | Si | Mn | Cr | Mo | Cu | P | S | |
Yakakwira Chrome Alloy Liner | 2.0-3.6 | 0-1.0 | 0-2.0 | 8-26 | ≤3.0 | ≤1.2 | ≤0.06 | ≤0.06 |
Middle Chrome Alloy Liner | 2.0-3.3 | 0-1.2 | 0-2.0 | 4-8 | ≤3.0 | ≤1.2 | ≤0.06 | ≤0.06 |
Yakaderera Chrome Alloy Liner | 2.1-3.6 | 0-1.5 | 0-2.0 | 1-3 | 0-1.0 | ≤1.2 | ≤0.06 | ≤0.06 |
Mechanical properties uye metallographic structure
Zita | Surface (HRC) Ak (J/cm2) | Microstructure | ||||
Yakakwira Chrome Alloy Liner | ≥58 | ≥3.5 | M+C+A | |||
Middle Chrome Alloy Liner | ≥48 | ≥10 | M+C | |||
Yakaderera Chrome Alloy Liner | ≥45 | ≥15 | M+C+P | |||
M-Martensite | C - Carbide | A-Austenite | P-Pearlite |
Product specification
Size | Hole Dia. (mm) Liner Length (mm) | |||
≤40 | ≥40 | ≤250 | ≥250 | |
Kushivirira | +20 | +30 | +2 | +3 |
Cr-Mo Alloy Steel
H&G Michina inoshandisa Cr-Mo alloy simbi kukanda bhora rechigayo liner. Ichi chinyorwa chakavakirwa pachiyero cheAustralia, (AS2074 Standard L2B, uye AS2074 Standard L2C) inopa hukuru hwekuita uye kuramba kupfeka mune ese semi-autogenous milling application.
Kuumbwa Kwemakemikari
Code | Chemical Elements (%) | |||||||
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 |
Zvenyama Zvivakwa & Microstructure
Code | Kuoma (HB) | Ak (J/cm2) | Microstructure |
L2B | 325-375 | ≥50 | P |
L2C | 350-400 | ≥75 | M |
M-Martensite, C-Carbide, A-Austenite, P-Pearlite |
Ni-hard Steel
Ni-Hard isimbi chena yakakandwa, yakasanganiswa nickel uye chromium inokodzera kushomeka, inotsvedza abrasion kune ese akanyorova uye akaoma maapplication. Ni-Hard chinhu chakanyanya kupfeka-chinodzivirira, chakakandwa mumafomu uye zvimiro izvo zvakanakira kushandiswa munzvimbo dzinoshungurudza uye kupfeka uye mashandisirwo.
Kuumbwa Kwemakemikari
Zita | C | Si | Mn | Ni | Cr | S | P | Mo | Kuoma |
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 |
White Iron Steel
Kuumbwa Kwemakemikari
Zita | Muumbi weKemikari(%) | |||||||
C | Si | Mn | Cr | Mo | Cu | P | S | |
White Iron Steel Liner | 2.0-3.3 | 0-0.8 | ≤2.0 | 12-26 | ≤3.0 | ≤1.2 | ≤0.06 | ≤0.06 |
Zvenyama Zvivakwa & Microstructure
Zita | HRC | Ak(J/cm2) | Microstructure |
White Iron Steel Liner | ≥58 | ≥3.5 | M+C+A |
M-Martensite C- Carbide A-Austenite |
Kana iwe uine yakakosha kubvunza zvinhu, ndapota taura injinjini yedu kuti ikushumire!
Nick Sun [email protected]
Nguva yekutumira: Jun-19-2020