the more competent scats from the SAG mill • As the oxide ore is softer, the throughput will be increased to 4.6 Mtpa in stage 1. To achieve the required throughput the SAG mill ball load was set at 15% and the pebble port size was increased to 80 mm. The mill manufacturer FFE (now FL Smidth) confirmed that the mill could be operated with a
Get PriceThe second proposed flowsheet consists of existing SAG mill circuit followed by a new proposed ball mill in closed circuit with the existing hydrocyclone package. ... of
Get Price20’ EGL SAG mill, a Raptor 900 pebble crusher and two 24’ x 39’6” ball mills. Each mill is equipped with a 2 x 8500HP dual pinion drive system. The plant was designed to process 1585 h mtpof SAG feed. From startup, the mill struggled to meet the required production rates. Over time, a major initiative that involved
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Get PriceCoal grinding mill supply in china Mining Non Ferrous CITIC Heavy Industries Co Ltd CITIC HIC is a manufacturing base for equipment supply into the Mining and CITIC HIC manufacture a full range of Grinding Mills for the Mining Sector 2x85MW Ball Mill and a 11m x 54m 2x85MW SAG Mill being the largest in China of equipment for 1 000 000 6 000 000tpa production lines
Get Pricethe impact of the fall. A ball mill is equipment that solely uses steel balls to grind ore, and its shell body has a smaller diameter and longer length compared with an AG mill or with an SAG mill. 2.2.2 Separation The ground material is separated into useful ore and impurities in a separation process. Two types of
Get PriceThe feed rate of Ball mill in the second plant is lower and it has a finer product. As a result, ball consumption and rejected materials from trommel screen was
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Get PriceINCREASING SAG MILL CAPACITY AT THE COPPER. ... regrinding mill flow sheet vertimill copper mine copper king mine mill flowsheet Grinding Mill China Copper ore a valuable mineral source for all countri . ... flotation plantEstimated Water Requirements for the Conventional Estimated Water Requirements for the Conv United Ghee Mills Kashmir
Get PriceFlow Sheet Amp Symbols For Ball Mills. ball mill flow sheet pcclas about ball mill flowsheet dwg which regulates ntent to the feed to a ball mill note when flow sheet amp symbols for ball mills crusher Get More Info pper mine grinding flowsheet. Read more
Get PriceMay 06, 2013 14.1 Surface Rock-Chip Sampling ? Discovery Day Mine …. Figure 25.2 Milling Circuit Schematic … to support an underground gold mine and to meet the requirements …. schematic diagram of gold mining ? Grinding Mill China. gold mine flow diagram, … and Minerals Library search results
Get PriceThe SAG mill is an 8.53 m diameter by 4.27 m long (3.81 m effective grinding length) grate discharge mill with a 5,595 kW synchronous motor installed and an air clutch for starting the mill. The mill operates at 76% critical speed with a ball charge of 15% to draw 4,540 kW at the pinion
Get PriceAG/SAG index for the studied ores varied within the wide range from 11.94 to 18.14 KWh/t. The highest ore hardness in the process of AG/SAG grinding is noted for sample No.1, the lowest – for sample No.5. The values of modified Bond ball mill work index for the product of AG/SAG mill varied from 18.68 to 23.04 KWh/t
Get PricePhu Kham Flowsheet • 12.8 Mt/a of copper-gold bearing ore from the open pit • Plant Feed Grades are 0.75% Cu and 0.33g/t of Au and 3.8g/t of Ag • Concentrate quality is +25% Cu, 7 g/t of Au and 60g/t of Ag • Primary Grinding Circuit contains – 34 ft 18 ft (13MW) SAG mill – 24 ft 39 ft (13 MW) ball mill • Regrinding Circuit
Get PriceThe original Phu Kham grinding circuit comprised of a SAG and a ball mill in SAB flowsheet arrangement, each with 13 MW of installed motor power. The circuit targeted a cyclone overflow grind size of 106 um and an average flotation recovery of 85 %. In 2012, a second ball mill and additional flotation capacity were
Get PriceFigure 2 – SAG and Ball Mill Grinding Flowsheet The SAG mill grinding circuit includes a 34 ft x 15.25 ft SAG mill operated with a 10.5 MW variable speed drivetrain. SAG mill product is screened at ~12 mm; oversize is conveyed to the pebble crushing circuit operating with one HP800 cone crusher
Get Pricesemiautogenous grinding (SAG) mills and is the fourth paper in a series of five papers on Inferential Measurement of SAG Mill Parameters. The development of the inferential measurement models of SAG mill discharge and feed streams and mill rock and ball charge levels, detailed earlier in the series, is summarised
Get PriceThe flowsheet below explains how the ILR fits into the new Ci nega flowsheet. Fresh feed from the SAG mill screen U/F feeds a new ball mill in closed circuit with a cyclone. The cyclone underflow is split with 80% returning to the ball mill and 20% reporting to a vibrating screen
Get PriceHighly competent ores, where the crushing work index is greater than the rod and ball mill work indices, should use a Raw Bond/Barratt model {or the SMC model which will be added in the future}. Choosing the right flowsheet. For a SAG and ball mill circuit (flowsheet type SAB):
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Get PriceFor example, the SAG mill may have 10 MW of power draw available and the two ball mills each of 7.5 MW of power draw available for a total of ratio of 10:15 (1:1.5). The software uses the particular power model (Bond/Barratt, Morrell Mi, etc.) to determine what is the transfer size where the ratio of E SAG to E ball matches the ratio of mill
Get PriceJan 05, 2019 Flowsheet Sag Mill Dan Ball Mill Asdbaronissicalcio. Flowsheet pengolahan emas jalur cil basis desain penggerusan menggunakan 6300kw sag mill dan 4100kw ball mill mengolah bijih basah sebanyak.Pdf 3.27 mbdetour gold corporation.Of sheila daniel p.Geo. head environmental management associate
Get PriceThe crushing-ball milling circuit specific energy was estimated on the basis of the Bond equation and the relevant Bond work indices (Table 4), with the
Get Priceare typically SAG mill limited while Apensu ores are ball mill limited in the Ahafo SABC circuit. Table 1: Ahafo Ore Properties Ore Source Drop Weight A*b Bond Ball Work Index, kWh/t# Circuit Limitation Subika 22 to 28 15 to 17 SAG mill Apensu 33 to 38 15 to 22 ball mill Amoma 26 to 57 11 to 21 variable Awonsu 36 18 ball mill Oxide 76$ 10
Get PriceAG Mills&SAG Mill AG Mills&SAG Mills:φ2.4x1.2～φ13x4.0m，Effective volume 5.6～216m3； Since the early 1990s CITICIC has been designing and manufacturing both semi-autogenous (SAG) and autogenous (AG) grinding mills under the CITIC brand.CITIC HMC manufacture a full range of Grinding Mills for the Mining Sector
Get PriceSAG mill base power was estimated from pilot plant data at 7.8 kWh/t, the basis was a SABC circuit of 8% ball charge. Maximum SAG mill power was determined by deducting the installed ball mill pinion power of 7.95 kWh/t from the maximum overall circuit power of
Get PriceThe ball-mills in SABC circuits are operated at a relatively high speed (70-78% of critical speed), with large balls (50 mm to 80 mm), to cope with a coarse
Get PriceJan 09, 2013 Lihir Gold Limited Process Plant Flowsheet Ball Mill SAG Mill Cyclone Pump … More detailed. picture flow sheet ore mine – Crusher South Africa. Barrick Gold Production Flow-Sheet … SAG) and ball mills, which grind the ore into a … The process flow diagram
Get PriceThe combination of HPGR and stirred mill in a single flowsheet without tumbling mills has been demonstrated to be technically feasible. This research focused on the energy and cost comparisons of the existing AG/SAG ball mill circuits with two proposed comminution circuits, including an HPGR - ball mill circuit and a novel HPGR
Get PriceFlowsheet development for the Sukari gold project in Egypt. Mining and Metallurgy, 2009. Flowsheet development for the Sukari gold project in Egypt … Regrind mill circuit Paper 75:text 10/16/09 9:05 AM Page 284. More detailed
Get PriceJan 10, 2021 done in a SAG/ball mill circuit with no coarse recycle classification of the SAG mill discharge. The primary grinding mill is an 18 ft. diameter x 9 ft. EGL, 1500 HP variable speed SAG mill and the secondary mill is a 13 ft. diameter
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Get PriceYour problem can occur in a SAG Mill or Ball Mill. Other point to consider is the particle size distribution, it is possible to receive a finer ore from the mine and the particle size distribution of the product from the crushing circuit is different, In this case, the residence time in the tumbling mill tend to be shorter
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