- Home
- sag mill drawing

# sag mill drawing

### Modelling SAG milling power and specific energy ...

mill diameter, mill length, grates openings, and pebble ports size; the power equation is also function of all the operational variables selected for this study. The applied force is a function of the mass inside the mill and it is composed of balls, ore and water. The ball charge is a function of the bulk fraction of the SAG mill volume (Jb)

### SINGLE STAGE SAG/AG MILLING DESIGN

SINGLE STAGE SAG/AG MILLING DESIGN ABSTRACT Single stage semi-autogenous / autogenous (S/AG) milling has become a common design for a variety of ore ... stability associated with the constant power draw and fine media in the ball mill. Lack of grinding media in ... The SAG mill model in the JKSimMet software has not been shown to accurately ...

### SAG Mill Grinding Circuit Design

SAG is an acronym for Semi-Autogenous Grinding. SAG mills are autogenous mills but use grinding balls like a ball mill. A SAG mill is usually a primary or first stage grinder. SAG mills use a ball charge of 8 to 21%. The largest SAG mill is 42' (12.8m) in diameter, powered by a 28 MW (38,000 HP) motor.

### SAG MILL DISCHARGE SCREENS-TROMMEL vs. VIBRATING …

SAG MILL DISCHARGE SCREENS-TROMMEL vs. VIBRATING ... The SAG mill has a trommel on the discharge end of it. Oversize is returned to the mill by a bucket wheel and water jet. Trommel undersize was pumped to a vibrating screen where the ... This next picture is a scale drawing of one of the trommels. The slurry discharges out of

### Advanced Simulation for Semi-Autogenous Mill Systems: A ...

Advanced Simulation for Semi-Autogenous Mill S ystems: A Simplified Models Approach 147 description it is necessary to consider the relationship between the feed stream and mill charge level. This relationship is known as the transport rate and is probably the least developed aspect in models proposed so far (Apelt et al., 2002 a,b).

### SAG Mill Success—Start with the Basics - womp-int.com

The SAGDESIGN test is performed with a specially designed laboratory SAG mill and uses 7- to 9-kg (depending on ore specific gravity) of –38 mm ore. The SAG product is then used as feed to a Bond ball mill work index test. The results can be used to determine or confirm SAG (or AG) and ball mill …

### Optimization and Control of a Primary SAG Mill Using Real ...

Optimization and Control of a Primary SAG Mill Using Real-time Grind Measurement C.W Steyn*, K Keet**, W Breytenbach*** ... the primary mill product in an attempt to control and possibly reduce flotation feed size variability. ... and power draw of the mill. These tests were conducted at WvalC over the period Sep 2010 to Nov 2010

### 3. Generic SAG mill geometry and ...

Generic SAG mill geometry and operating conditions. SAG mills can have diameters up to 12.9 m. A three-dimensional slice of a generic intermediate size 8.4 m diameter SAG mill is used here. ... Its biggest advantage though is that mill power draw is always known for all operating mill so it is very easy to use as a control variable.

### ME Elecmetal Grinding Apps - ME Elecmetal · Global ...

SAG mills • Determination of your SAG mill's power draw characteristics. • SAG Mill Steel Charge Estimation tool provides an estimate of the percent steel in the charge of your SAG mill based on the power draw and the total charge volume. • Ball impact energy chart to determine the impact energy of balls as a function of mill diameters.

### Mill power draw models

You must manually check the motor's tent diagram to confirm that the predicted power draw is actually within the motor's capability at the indicated speed. Liner and grate design. The design of mill liners and SAG mill discharge grates will have a large effect on how efficiently the mill …

### Choosing a SAG Mill to Achieve Design Performance

A further explanation is required to explain the importance of designing the SAG mill chamber to draw required power at optimum operating conditions of 75% critical speed and less than 30% by volume load. Recent studies in the three-foot diameter SAG mill are instructive. The following graph shows the relevant facts as Figure 2.

### SAG MILL DISCHARGE SCREENS-TROMMEL vs. VIBRATING …

SAG MILL DISCHARGE SCREENS-TROMMEL vs. VIBRATING ... The SAG mill has a trommel on the discharge end of it. Oversize is returned to the mill by a bucket wheel and water jet. Trommel undersize was pumped to a vibrating screen where the ... This next picture is a scale drawing of one of the trommels. The slurry discharges out of

### GROSS POWER CALCULATOR - SMC Testing

(slurry pool) is predicted from mill design and slurry flow data and its impact on power draw is then predicted. Slurry pooling causes the power draw in AG and SAG mills to be lower than a mill without a slurry pool. This phenomenon results in overflow mills usually drawing less power than grate discharge

### Model Predictive Control for SAG Milling in Minerals ...

Model Predictive Control on a SAG Mill and Ball Mills The solution for the SAG Mill is an adaptive controller which controls mill load using direct mill weight measurement or indirectly from bearing oil pressure. The solution automatically controls ore master feed rate and water addition to increase throughput, while keeping mill load within ...

### foundation drawings for sag mill

foundation drawings for sag mill Welcome to Shanghai CNC Mining and Construction Machinery Co., Ltd. Mill (grinding) - Wikipedia. SAG is an acronym for Semi-Autogenous Grinding. SAG mills are autogenous mills but use grinding balls like a ball mill. A SAG mill is usually a primary or first stage ...

### KnowledgeScape

Kinross – Round Mountain SAG Mill Adaptive Control. In summary, by using the KnowledgeScape SAG mill adaptive control system (GrindingExpert™), we were able to increase production, increase power draw through increasing the grinding efficiency of the mill. These benefits easily justify the low cost of the system and system maintenance.

### 2013 Motor Catalog - Electric Motors

2013 Motor Catalog-08 .&%*6. 70-5"(& Series ODP High Efficiency WPI High Efficiency WPII High Efficiency TEFC Dura-Bull TX® High Efficiency TEFC High Efficiency TEAAC High Efficiency Horsepower 200 to 900 HP 400 to 5000 HP 200 to 800 HP 100 to 2500 HP 450 to 5000 HP Voltage (60 Hz) 2300, 2300/4000, 4000, or

### Selecting Inching Drives for Mill and Kiln Applications

Selecting Inching Drives for Mill and Kiln Applications Glen Cahala Frank C Uherek, Principal Engineer - Gear Engineering Software Development Abstract The inching drive, also known as a barring or auxiliary drive, is an important component of any mill or kiln installation. It is used for maintenance and inspection purposes, as

### Optimizing your SAG mill operation - International Mining

It is imperative to ensure the efficient removal of both slurry and coarse pebbles (critical size) in order to ensure the efficient operation of AG/SAG mills. Elimination of the above mentioned material transport problems will allow the mill to respond truly in terms of power draw for changes in mill load which depends on feed ore characteristics.

### Outotec Grinding technologies

Outotec® Grinding technologies With over 100 years experience in grinding technology, Outotec is one of the largest mill suppliers in the world. Outotec's dedicated team of grinding specialists provide design engineering, testing and analysis in order to select the mill best suited to …

### MODELING THE SPECIFIC GRINDING ENERGY AND BALL …

2 MODELLING THE SPECIFIC GRINDING ENERGY AND BALL-MILL SCALEUP Ball-mill scale up (Bond's Law)Data: zBond work index w i zFeed D f and product d size (both 80% cumulative passing) Result: The specific grinding energy w Mill power draw P = wT, where T the mill capacity Mill dimensions (from Tables or charts)

### Drawings Of Ball Mill | Crusher Mills, Cone Crusher, Jaw ...

Drawings Of Ball Mill. ... An embodiment of the SAG mill is illustrated in the drawings. VSI mill – Wikipedia, the free encyclopedia. ... iron ore ball mill drawing iron ore ball mill drawing manufacturers for sale Crushing and grinding machine supplier in all of the world: . Get Price! used in …

### Used Mining Equipment | SAG Mills

We have 44 years experience designing, manufacturing, installing and commissioning SAG and Ball Mill grinding equipment. We have nearly 30 years experience procuring and re-applying used grinding equipment to new mining projects, often with significant lead time and capital cost savings over the purchase of new equipment.

### Talk:Mill (grinding) - Wikipedia

If someone could expand on the SAG mill section of this article, it would be great! Wipware 17:59, 14 May 2009 (UTC) ball mill discription. What is this reference in the discription of a ball mill that says "drawing approximately 0.0011% of the total world's power (see List …

### AMIT 135: Lesson 6 Grinding Circuit – Mining Mill Operator ...

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