# grate discharge mill escondida

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### 200 HP Ball Mill 6.5 dia

This product is already in quote request list View quote request SKU C1430 Category Grinding Mills Description Description 200 HP Ball Mill 6.5′ dia x 10′ long double scoop feed grate discharge spare trunnion liner unused pinion Equip yourself with the gold standard.

Get Price### TECHNICAL NOTES 8 GRINDING R

2009 7 30 Grate discharge Dry Grate discharge Wet Overflow discharge Wet Figure 8.5 Effect of mill filling on power draft for ball mills The data is taken from Rexnord Process Machinery Reference Manual Rexnord Process Machinery Division Milwaukee 1976 The effect of varying mill speed on the power drawn by the mill is shown graphically in Figure 8.4

Get Price### SWS SAG Mill and Discharge Feeder in Escondida Mining

HighService Technology developed the only worldwide sensor capable of measuring wear online within critical equipment Originally designed to measure wear in coatings within SAG mills the Smart Wear Sensor SWS of HighService is installed in SAG4 mill of Escondida Mining s Laguna Seca Concentrator Plant effective and properly operating continuously informing coatings wear levels

Get Price### SAG MILLS OPTIMIZATION IMPLEMENTATION AND

2014 12 18 Antamina´sSAG mill has the worst condition of slurry evacuation in trommel α = 222 m 3/h/m 2 Esperanza and Escondida´sSAG mills have high values of α but they have a screen Trommel of 40 feet SAG mill of Collahuasi has an high value of α = 172 m 3 /h/m 2 .

Get Price### How a Grate Discharge Ball Mill Works

2015 8 13 A grate discharge mill that is ground out would show the desired near zero blinding The slots in the early grates were designed around the traditional types found in proven concepts of metal grates Typically a slot fig 2 was designed with a selected rectangular circular or square opening and then tapered out in all directions to

Get Price### PDF Slurry flow in mills Grate only discharge mechanism

Figure 1 Schematic of a typical trunnion supported grate discharge mill 2 Onc e slu rr y has m ad e its w ay via th e gri n di n g med i a ch ar ge its fir st sta ge of di sc ha r ge is via

Get Price### Escondida Copper Gold and Silver Mine Atacama Desert

2020 8 17 The Escondida copper gold silver mine is located in the arid northern Atacama Desert of Chile about 160km southeast of the port of Antofagasta at an elevation of 3 050m above sea level The mine is a joint venture between BHP Billiton 57.5 Rio Tinto 30 a Japanese consortium 10 and the International Finance Corporation 2.5 .

Get Price### Improved Relationships for Discharge in SAG/AG Mills

2019 10 9 of grate/pulp lifter design in AG/SAG mill discharge The current understanding from literature lacks knowledge of mill content size distribution and its effect on discharge through the grate at various aperture sizes and radial positions It also indicates that in

Get Price### Ore Processing BGM Resources

ore processing Toll processing with BGM s grate discharge grinding mill is the smart choice for any toll processing campaign Heavies particles are not trapped and overground in a grate discharge grinding mill providing gravity recovery devices with the most economical recovery of coarse gold particles.

Get Price### TURBO PULP LIFTER

A conventional pulp lifter for a grate discharge mill comprises a plurality of chambers radially arranged to rotate against the downstream side of a vertical or sloped grate Each pulp lifter chamber is defined between a trailing edge wall and a leading edge wall relative to the direction of rotation of the mill

Get Price### Grate Ball Mill

Grate ball mill grate discharge ball mill is a ball milling machine used to grind various ores and other materials Grate type ball mill is a traditional ball milling equipment for forced ore discharge by ore discharge grate Its basic structure and grinding process are basically the same as the overflow type ball mill but the structure of the ore discharge part is different.

Get Price### SAG MILL DISCHARGE SCREENS TROMMEL vs

2013 12 22 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 screen oversize was sent back to the mill and the undersize was pumped to the cyclone circuit Figure 2 shows the flowsheet for line 2 with only the trommel

Get Price### Ball Mill Explained

Ball mills are usually either of the grate diaphragm or overflow type Ball Mill Components Ball mills consist of the following components Inlet crushed ore is fed to the ball mill through the inlet A scoop ensures the feed to the mill is constant Discharge reduced feed exits the mill through the discharge.

Get Price### Rubber Metal Discharge Systems

2020 9 6 Polycorp has installed Rubber Metal Discharge Systems in SAG mills up to 38 ft/11.6 m in diameter worldwide Polycorp Discharge Systems can be easily retro fitted using existing mounting holes in the discharge head Polycorp Discharge Systems are specially designed to improve mill throughput and avoid over grinding.

Get Price### grate open area in sag mills

effect of grate discharge area of sag mill grinding Operation of SAG Mills Principle Operation of Semi Once the slurry has made its way via the grinding media charge its first stage of discharge is via the grate Hence in the absence of any subsequent restriction the maximum flow capacity that can be obtained for a given mill is determined by the grate.

Get Price### TURBO PULP LIFTER

A conventional pulp lifter for a grate discharge mill comprises a plurality of chambers radially arranged to rotate against the downstream side of a vertical or sloped grate Each pulp lifter chamber is defined between a trailing edge wall and a leading edge wall relative to the direction of rotation of the mill

Get Price### 38 X 22 EGL GRATE DISCHARGE SAG MILL 26 000

Grate discharge Diameter 38′ Length 25 5″ flange to flange EGL 22′ Components Inclusions Feed chutes Discharge grates Steel pulp lifters SAG mill trommel Mill braking system Hydraulic jacking system Portable hydraulic power unit Motor and Drive 26 000 HP 19.4 MW Siemens wrap around drive motor

Get Price### GROSS POWER CALCULATOR

2020 3 24 are grate discharge and ball mills are mostly overflow a few however are grate discharge In overflow mills the belly length inside liners which is what the model requires to be input is very close to the flange to flange length In grate discharge mills it is the length as measured from the inside face of the grate to the inside face of

Get Price### Slurry flow in mills grate only discharge ..

Abstract Discharge grates play an important role in determining the performance of autogenous semi autogenous and grate discharge ball mills The flow capacity grinding capacity of these mills is strongly influenced by the discharge grate design open area and position of apertures as well as the performance of the pulp lifters.

Get Price### Slurry flow in mills grate pulp lifter discharge systems

Ideally the discharge rate through a grate pulp lifter assembly should be equal to the discharge rate through at a given mill hold up However the results obtained have shown that conventional pulp lifter designs cause considerable restrictions to flow resulting in reduced flow capacity.

Get Price### Domestic Grate Discharge Ball Grinding Mill For Sale

Domestic Grate Discharge Ball Grinding Mill For Sale Find Complete Details about Domestic Grate Discharge Ball Grinding Mill For Sale Cement Mill Silica Sand Ball Mill Used Ball Mill Sale from Grinding Equipment Supplier or Manufacturer Henan Winnermac Heavy Industrial Machinery Co Ltd.

Get Price### Overflow VS Grate Discharge Ball or Mill

2015 6 24 Grate Discharge Ball Mills have shown 25 to 45 more tonnage ground and a substantial reduction in power consumed per ton of material compared size for size with overflow mills To illustrate the characteristics of various type mills we have shown the types of discharge for rod mills and ball mills There are essentially four types of rod mill

Get Price### effect of grate discharge area of sag mill performance

Grate Discharge Sag Mill 2018 6 26mill power draw modelsthe design of mill liners and sag mill discharge grates will have a large effect on how efficiently the mill operates and the circuit throughputll models generally assume that a mill is fitted with efficient liners and that the grate design neither limits passage of pebbles and pulp nor

Get Price### PDF Slurry flow in mills Grate only discharge mechanism

Discharge grates play an important role in determining the performance of autogenous semi autogenous and grate discharge ball mills The flow capacity grinding capacity of these mills is

Get Price### MILL LINING QUESTIONNAIRE

2021 3 3 MILL DATA Mill Manufacturer Type of Mill AG/SAG/Ball Mill Duty 1o/2o/3o/Regrind Mill Diameter M Mill Length M Diameter of Feed End Trunnion Diameter of Discharge end Trunnion Head Inclination degrees Total Installed Available Power kW Power Draw kW Power factor Type of Mill Discharge Grate/Overflow Mill SpeedFixed

Get Price### Grate Discharge Mill Escondida

Grate Discharge Ball Mill High Quality China Grate Discharge Ball Mill Grate Discharge Ball mill Working Principle The ball mill is a horizontal rotating device transmitted by the outer gear The materials are transferred to the grinding chamber through the quill shaft uniformly Read more

Get Price### Grate discharge ball mill

2021 8 19 Grate ball mill discharge side cover 1.Grate liner 2 aring inner sleeve 3.Quill shaft 4.Skip shape liner 5.Central liner 6.Steel bars 7.Drill key Different of feeding device of grate ball mill 1 The feeders of ball mill are drum type worm type and combined type and their structures are shown as a b and c in the figure.

Get Price### PDF Slurry flow in mills Grate pulp lifter discharge

Radial Spiral/curved Discharge end head Grate Figure 2 Conve n ti on al desi gn s of pa n li ft ers Tag gart 1945 Of t he abov e two des ig n s the rad i al or s tr ai gh t typ e is m os t

Get Price### Overflow Versus Grate Discharge Ball Mills An

2015 1 1 In grate discharge mills the product is discharged primarily due to hydraulic gradient from the feed end to discharge end Hence there is a possibility for much quicker transport of material through the mill which is being accomplished in overflow mills by higher circulating load.Recent developments in understanding the importance of material

Get Price### dry ball mill discharge grate

Grate Discharge Ball MillAlibaba Grate Discharge Ball Mill You Can Buy Various High Quality Grate Discharge Ball Mill Products from Global Grate Discharge Ball Mill Suppliers and Grate Grinding SystemsComex AS delivers industrial system solutions Dry ball mill grinding is still widely used but other methods are often preferred

Get Price### Improved Relationships for Discharge in SAG/AG Mills

2019 10 9 of grate/pulp lifter design in AG/SAG mill discharge The current understanding from literature lacks knowledge of mill content size distribution and its effect on discharge through the grate at various aperture sizes and radial positions It also indicates that in

Get Price### 200 HP Ball Mill 6.5 dia

This product is already in quote request list View quote request SKU C1430 Category Grinding Mills Description Description 200 HP Ball Mill 6.5′ dia x 10′ long double scoop feed grate discharge spare trunnion liner unused pinion Equip yourself with the gold standard.

Get Price### PERANCANGAN BALL MILL TIPE GRATE DISCHARGE

Designing grate discharge Ball mill with filter attached at the output line give product in uniform appearance this machine has very stable performance that it is very easy to operate Grinding procces by grate discharge ball mill can be operate in wet and dry process Design of this machine aimed to obtaine 30 ton per hour capacity product.

Get Price### UZTM KARTEX

Central discharge and Grate discharge ball mills Key characteristics Drum diameter without lining mm Drum length without lining mm Rated drum сapacity m 3 16 624 6 Motor power kW Quantity of grinding medium in drum not over 4245.

Get Price### GROSS POWER CALCULATOR

2020 3 24 are grate discharge and ball mills are mostly overflow a few however are grate discharge In overflow mills the belly length inside liners which is what the model requires to be input is very close to the flange to flange length In grate discharge mills it is the length as measured from the inside face of the grate to the inside face of

Get Price### 38 X 22 EGL GRATE DISCHARGE SAG MILL 26 000

Grate discharge Diameter 38′ Length 25 5″ flange to flange EGL 22′ Components Inclusions Feed chutes Discharge grates Steel pulp lifters SAG mill trommel Mill braking system Hydraulic jacking system Portable hydraulic power unit Motor and Drive 26 000 HP 19.4 MW Siemens wrap around drive motor

Get Price### UZTM KARTEX

Central discharge and Grate discharge ball mills Key characteristics Drum diameter without lining mm Drum length without lining mm Rated drum сapacity m 3 16 624 6 Motor power kW Quantity of grinding medium in drum not over 4245.

Get Price### Licensed by Kurimoto Japan CRUSHING and GRINDING

2018 12 18 In grate discharge type ball mill a grate is provided at the discharge end of shell Compared with the over flow type over grinding is minimized and this suitable for grinding to 60 100 mesh level 1 Shell 2 Trunnion 3 Feed Side Trunnion Liner 4 Discharge Side Trunnion Liner 5 Trunnion Bearing 6 Drum Gear 7 Liner

Get Price### PDF Optimization of mill performance by using

The mill is back to its original grate discharge conditions The experiment consists in moving the plug fully in and measuring the effect on the pulp level with the Sensomag Then after stabilization the plug is moved fully out to go back to the original grate discharge conditions All the angles measured by the Sensomag are displayed in

Get Price### effect of grate discharge area of sag mill performance

Grate Discharge Sag Mill 2018 6 26mill power draw modelsthe design of mill liners and sag mill discharge grates will have a large effect on how efficiently the mill operates and the circuit throughputll models generally assume that a mill is fitted with efficient liners and that the grate design neither limits passage of pebbles and pulp nor

Get Price### Turbo Pulp Lifter TPLTM

2016 3 9 broken particles The discharge rate of the product material depends on how efficiently the discharge pump grate and pulp lifters is operating Similar to the impeller design affecting the pump capacity the pulp lifter design affects the discharge capacity or mill throughput of the SAG/AG grinding mills.

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