Understanding the SAG Mill in Copper Ore Mining Process

SAG mills have proven to be efficient and reliable machines for grinding copper ore in the mining industry. They are a critical component of the processing circuit and play a …

Commissioning and Optimisation of the Phu Kham …

copper, between 70 000 oz and 80 000 oz of gold, and between ... The SAG mill discharge is screened on a rotating trommel screen. Trommel undersize discharges into a sump where it

Deep Dive into Efficiency CASE STUDY: Copper Installation

CASE STUDY: Copper Installation THE SCENARIO: Using the current footprint, the customer wanted to replace an existing screen in a Sag Mill copper installation with a …

SAG Mill Grinding Circuit Design

Customised liner solution boosts SAG mill throughput and …

Photo: The existing grates within the SAG Mill were pegging. Critical size grinding media were blocking apertures, reducing throughput A gold and copper mine in South East Asia was experiencing a range of challenges with its SAG mill that were hitting productivity. Facing a significant increase in ore hardness that would have exacerbated …

Keys to best practice comminution

In this example the SAGDesign (SDT) ore hardness is 10 kWh/t (to grind the ore from F 80 152 mm to T 80 1.7 mm) and the SAG ground Bond Ball Mill Work Index is 15 kWh/t. Table 2 shows alternate equipment selections that will produce 471 t/h, (10,400 t/d and 3.8 million tonnes per annum) at 92% availability.

Case Study

Copper Mine - Kazakhstan . Project: Copper Mine ... The comminution flowsheet consists of a primary gyratory crusher feeding an open circuit SAG mill with forward pebble crushing (2x cone crushers followed by a closed circuit HPGR). SAG mill discharge and HPGR product feeds two ball mills in closed circuit with cyclones. The Challenge.

SAG mill Optimisation and increasing throughput at the Phu Kham Copper

Modular SAG mill discharge trommel for maintenance flexibility and performance Watch . Session 3B Discussion - Automation and Control Watch . ... Nova copper-nickel project optimisation of the copper rougher-scavenger circuit through advanced measurement and control Watch .

INCREASING SAG MILL CAPACITY AT THE COPPER …

Copper Mountain first feed to the SAG mill occurred in late May, 2011. The circuit began ramp up in mid-June of that year, with more consistent operating run times on the SAG and Ball mills. Plant throughput in ... SAG mill discharge screen opening slot size and initiating the overall expert system into the control

SAG Mill Optimisation and Increasing Throughput at …

SAG Mill Optimisation and Increasing Throughput at the Phu Kham Copper-Gold Operation Dr Rajiv Chandramohan –Mill Ops 2018 Robert Braun, Greg Lane, Kirsty Hollis, Johnson Le, Dirk Baas. Mill Operators' Conference 2018 29 –31 August 2 ... Slurry Pool calculation (discharge

Recent Grinding Practice in the Copper Concentrator of …

pumpbox of the 09 ball mill and combined with the mill discharge. D26B cyclones were utilised on both cyclopaks with ... REVERSION TO AG-SAG AND TWO BALL MILLS Copper ore production has increased ...

INCREASED THROUGHPUT FROM LINER DESIGN …

KAZ Minerals' Aktogay Mine is the one of two largest copper mines in Kazakhstan and is situated north-east of Almaty city. The Aktogay mine currently operates one milling train, with the grinding circuit treating around ... SAG mill discharge screening Stage 1 trommel Stage 2 double deck screen Table 2 – Pre-Sampling Data Parameter Unit ...

SM at Kennecott Utah Copper Introduction

CiDRA CYCLONEtracSM at Kennecott Utah Copper Dylan Cirulis (Kennecott Utah Copper), Jerin Russell (CiDRA Minerals Processing) Introduction . Rio Tinto's Kennecott Copperton Concentrator has four grinding lines each consisting of one SAG mill feeding two ball mills in a closed circuit with a hydrocyclone battery (Figure 1). The aim of the …

Grinding Mills | Mineral Processing Equipment | CITIC HIC

For Zijin Mining's Duobaoshan Copper Mine project in Heilongjiang, we have manufactured and provided SAG mills of Ø11×6.4m (2×9000kW) and overflow discharge ball mills of Ø7.9×13.6m (2×9000kW) which have been well operating currently.

Modular SAG mill discharge trommel for maintenance …

SAG mill Optimisation and increasing throughput at the Phu Kham Copper-Gold Operation – a success story Watch . Optimising the operation of paste thickening at the Yara Siilinjärvi Plant Watch . Modular SAG mill discharge trommel for maintenance flexibility and performance Watch . Session 3B Discussion - Automation and Control …

Paper # 25

The grinding circuit for the Copper Mountain project consists of one FL SAG mill and two FL ball mills. Figure 1 - Overview grinding circuit The Copper Mountain SAG mill is 10363 mm [34 feet] in diameter and 6096 mm [20 feet] long. It is a grate discharge mill with an inside diameter of 10363 mm [34 feet] and a grinding length of 5334

BATU HIJAU MILL THROUGHPUT OPTIMIZATION: …

The Batu Hijau copper-gold porphyry deposit is located in outh Western Sumbawa and was S ... only includes SAG Mill Discharge Grates, SAG Trommel Screen and Pebble Screen aperturesizes . It also discusses the strategy used to …

AMIT 135: Lesson 6 Grinding Circuit – Mining Mill …

SAG Mill Circuit Example — Gold Processing SAG mill circuit example for gold processing [image: (135-6-3)] AG/SAG Mill. AG/SAG mills are normally used to grind run-off-mine ore or primary crusher product. Wet grinding in an AG/SAG mill is accomplished in a slurry of 50 to 80 percent solids. 2D and 3D simulations of particles in a SAG Mill

De-Bottlenecking the Ball mill Circuit with Hydro …

This study evaluated a large-scale copper concentrator to understand the constraints that limit throughput and grind size in a closed-circuit ball mill classification circuit. The results showed that ... The SAG mill discharge sump level is allowed to fluctuate as the conditions in the comminution circuit vary to absorb smaller disturbances in ...

Increasing SAG Mill capacity at the Copper Mountain Mine through the

Copper Mountain's concentrator was commissioned in May 2011. The circuit consists of a 34' x 20' EGL SAG mill, a Raptor 900 pebble crusher and two 24' x 39'6" ball mills. ... Over time, a major initiative that involved blasting and fragmentation, optimization of the SAG mill in terms of discharge grates, ball size and slurry density ...

AMIT 135: Lesson 2 Circuit Mass Balancing – …

AMIT 135: Lesson 7 Ball Mills & Circuits; AMIT 135: Lesson 8 Rod Mills; PRT 140: Industrial Process Instrumentation I. PRT 140: Syllabus; PRT 140: Course Schedule; PRT 140: Lesson 1 Introduction; PRT 140: …

Updated magnetic separation techniques to improve …

Magnetic separation techniques have been successfully applied to ball mill circuits as well as SAG mill circuits. The Trunnion Magnet separator was developed …

Study on the influence of the discharge end cover structure …

The SAG mill's discharge end cover, which comprises the slurry lifters, the grate liners, and other structures, significantly impacts the machine's discharge capacity.

Optimizing Performance of SABC Comminution …

The discharge grates of the SAG mill were identified as a key component in the SABC circuit, and their design is a crucial factor in …

Design of the 40 foot SAG Mill Installed at the Cadia …

SAG mill and two ball mills in closed circuit with cyclones. Two pebble crushers treat the SAG mill discharge trommel screen oversize material. The crushed product is combined with the SAG mill feed. Project economics dictated maximum throughput through a single line comminution circuit. Hence the selection of some of the largest

Maximize Your Mining Screen Efficiency | General …

The SAG discharge screen experienced surges of material (25%-40% solids) from the SAG mill, which overloaded their existing …

INCREASING SAG MILL CAPACITY AT THE COPPER …

Over time, a major initiative that involved blasting and fragmentation, optimization of the SAG mill in terms of discharge grates, ball size and slurry density, and operation of up …

Estimated Water Requirements for the Conventional …

water usage. The crushed ore is transferred to a semiautogenous (SAG) mill or ball mill where the ore is further reduced in size. Water is added to the ball mill, in which a slurry that usually contains from about 20 to 55 percent solids is produced (Singh, 2010; International Mining, 2011) (see fig. 2). The

Copper Processing Equipment

For the copper producer, its SAG MILL discharge screens are the heart of its processing operation and is built to endure the mining industry's tough working conditions. The site operates 24 hours a day, processing more than 3,000 tons per hour, 365 days a year. The superintendents expect, hence, the best quality equipment with easily ...

Paper # 25

The Copper Mountain SAG mill is 10363 mm [34 feet] in diameter and 6096 mm [20 feet] long. It is a grate discharge mill with an inside diameter of 10363 mm [34 feet] and a grinding length of 5334 mm [17.5 feet]. The mill is driven by two 8,500 horsepower ABB …