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Luoyang Zhongtai Industries Co., Ltd.

Grinding Mill, Autogenous Mill, Grinder Mill manufacturer / supplier in China, offering Sag Mill Use in Chemistry&Metallurgy&Refractory Material Industry, Coal Tooth Roller Crusher & Shale Crusher &Limestone Crusher, 2pgc Roller Crusher and so on.

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Supplier Homepage Product Grinding Mill AG&SAG MILL Sag Mill Use in Chemistry&Metallurgy&Refractory Material Industry

Sag Mill Use in Chemistry&Metallurgy&Refractory Material Industry

FOB Price: US $1,000,000 / Set
Min. Order: 1 Set
Min. Order FOB Price
1 Set US $1,000,000/ Set
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Production Capacity: 500PCS/Year
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: SAG mill
  • Motor Type: AC Motor
  • Application: Construction
  • Condition: New
  • Output: 50 -1000 Tph
  • Trademark: LYZT
  • Type: Autogenous Mill
  • Motor Power: 310-36000kw
  • Materials: Autogenous Mill
  • Application Industry: Autogenous Mill
  • Effective Volume of Cylinder: 19-1246 M3
  • Origin: Luoyang, Henan
Product Description

Specifications
 
AG Mill&Autogenous Mill&SAG Mill: 
1.CITICIC can produce below 12m AG Mill&SAG Mill 
2.AG Mills&SAG Mills:2.4x1.2~13x4.0m 


 
ZTIC can produce below 12m autogenous mills(AG Mill) and semiautogenous mills(SAG Mill).autogenous / semiautogenous mills(AG Mill &SAG Mill) are utilized to grind run-of-mine rock or primary crusher discharge.especially medium hard and below valuable minerals and rocks with uniformly embedded coarse grains.
AG Mills&SAG Mill
 AG Mills&SAG Mills:φ2.4x1.2~φ13x4.0m,Effective volume 5.6~216m3;
Since ZTIC has been designing and manufacturing both semi-autogenous (SAG) and autogenous (AG) grinding mills under the ZTIC brand.ZTIC manufacture a full range of Grinding Mills for the Mining Sector. Our largest mills has been delivered to SINO Site to date are Ø12.2m x 11m  28MW Gearless Drive AG Mills and Ø7.9m x 13.6m 2x8 MW Twin Pinion Drive Ball Mills. These mills are scheduled of start up on 2012.
Our market share in China exceeds 80% with the largest mills supplied to date being a Ø7.9m x 13.6m 2x8.5MW Ball Mill  and a Ø11m x 5.4m 2x8.5MW SAG Mill , being the largest in China.
ZTIC SAG/AG mills range in size below 12m diameter . They feature hydrostatic lubrication and can accommodate either a geared or gearless drive arrangement and are typically grate discharge and use metal liners.
Semi-Autogenous (SAG) Mills
Description of Autogenous Mill(AG Mill): 
This autogenous mill is typically designed to grind ores and other particulate matter in various fields like building material field, chemical industry, metallurgy industry, refractory material sector, and so on. Besides, it can also be used to grind materials with little iron content.
As its name suggests, it fan finish impacting and grinding materials totally by itself. So it is quite easy to operate. Moreover, it is easy and convenient to maintain, and is highly efficient.
Semi-autogenous grinding uses a minimal ball charge in the range of 6-15%, and is primarily been used in the gold, copper and platinum industries but also in the lead, zinc, silver, and nickel industries.
Autogenous (AG) Mills
Autogenous grinding involves no grinding media as the ore itself is the grinding media.
AG & SAG Mills
2006 - Ø8.0m x 2.8m AG mill.
2007 - Ø12.2m x 11m AG Mills (6 off in production)
2008 - Ø8.8m x 4.8m AG mill
2008 - Ø4.5m x 8.4m Scrubber
2008 - Ø10.37m x 5.19m SAG Mill (1 off in production) 
2008 - Ø8.8m x 4.8 m SAG Mill (project on hold) 
2008 - Ø9.15m x 5.5m SAG Mill (1 off in production)
2008 - Ø7.5m x 2.8m SAG Mill (7 off in production) 
2008 - Ø7m x 4.1m SAG Mill (1 off in production) 
2008 - Ø6.1m x 6.4m SAG Mill (1 off in production)
Autogenous mills(AG Mill)/ semiautogenous mills(SAG Mill)
The ZTIC autogenous / semiautogenous mills are utilized to grind run-of-mine rock or primary crusher discharge.

The feed size to this mill is limited to the maximum size that can be practically conveyed and introduced into the mill. 
The mill product is either finished size ready for processing or an immediate size ready for final grinding in a ball mill, pebble mill, or a VERTIMILLTM.
Wet grinding is accomplished in a slurry of 50 to 80 percent solids. AG/SAG mills can accomplish the same size reduction work as two or three stages of crushing and screening, a rod mill, and some or all of the work of a ball mill. Because of the range of mill sizes available, AG/SAG milling can often be accomplished
Grinding Circuit Design

AG/SAG milling can be accomplished with a variety of flowsheets. The optimum flowsheet should be established during the testing of the ore.
Common
flowsheets include:
AG-Single Stage
AG in a closed circuit with a crusher
AG with a crusher + ball mill
SAG-Single Stage
SAG with ball/VERTIMILLTM
CITIC's process engineers welcome the opportunity to assist you with circuit and circuit control design as well as start-up, operation, and optimization
of the milling plant.
ZTIC AG Mills&SAG Mill Feature
?The cylindrical mill adopts the driving type edge-driving, center-driving, edge-driving with multi-point meshing, etc; driven by asynchronous motor +reducer +pinion and gear as well as synchronous motor +
air l\clutch + pinion and gear.
?Generally supported by static-dynamic pressure bearing on both ends. Fuuly closed self-aligning 120º osculation rocker bearing is used. Also single or double slipper staic- dynamic bearings can be used. The bush is made by NC machine.
? The large open gear is designed using AGMA standard, Equipped with reliably sealed gear housing and grease ahtomatic spraying lubrication system.
 The shell is key part of a mill. Carry out finite element analysis on it with computer to ensure the reliable operation;
? The shell is automatically welded, ultrasonic inspected, wholly annealed and machined by large special machine tools on one chucking; there special seal on static-dynamic connection parts , ch as feed and discharge hoper, trunnion, etc, to prevent oil and slurry leakage;
? The liner is of wear-resistance material mad by our company, wich has been specially heat-treated, with high hardness and long service life. Also other wear-resistance casting or rubber liner can be used;
? There are slow speed drive for medium and large mill;
?The high and low pressure lubricating station is equipped for medium and large mill;
?The control and protection system is controlled by PLC.
Description of Semi Autogenous Mill(SAG Mill): 
This semi-autogenous mill, also called semi-autogenous grinding mill or SAG mill, is mainly used to grind ores and other particulate matter in different fields, like chemical industry, mining field, metallurgy industry, building material sector, and so on.
It is an autogenous mill in nature, but it employs grinding balls to assist in its grinding just like in a ball mill. And it is mainly used in the first stage of grinding. When compared with a ball mill, it is characterized by its larger diameter and shorter length. The inside of it is lined with lifting plates to lift the materials inside up and around the inside of the mill, where it then falls off the plates into the rest of the ores. And it is widely used to process gold, copper, lead, zinc, alumina, nickel, platinum, etc.
 
AG (Autogenous) / SAG (Semi-autogenous) Grinding Mills

Autogenous (AG) and Semi-Autogenous (SAG) grinding mills have seen increased application in large mineral processing operations in recent years. They are rotating/tumbling mills in which comminution (size reduction) takes place without grinding aids. Consisting of a large diameter cylinder relative to their length (typically 2 or 2.5 to 1) these mills use large lumps of ore as the grinding media. Autogenous mills use ore exclusively as their grinding media but if hardness and abrasiveness of the ore does not lend itself well to full AG milling then a small charge of steel balls (6 to 15%) is added to assist in size reduction. This is known as a Semi-Autogenous (SAG) mill. AG/SAG mills bring about size reduction by a combination of impact, attrition and abrasion forces. Ore is swept up one side of the mill and at a certain point it falls back to impact the toe of the charge (bottom of mill). Ore particles in the body of the charge slide when moving to different heights and are subjected to attrition and abrasion forces. The inside liner of AG/SAG mills consists of steel or rubber liners and are fitted with lifter bars.

AG/SAG mills can accomplish the same size reduction work that normally takes multiple stages of crushing, screening and grinding methods which accounts for its popularity. Often the product can be finished size or ready for final grinding in a ball mill or pebble mill. They can grind run-of-mine rock or primary crusher products with their feed size limited to what can practically be conveyed. In addition they can be less costly to operate with the reduction or elimation of expensive balls or rods.
Parameters of Semi Autogenous Mill(SAG Mill):

Cylinder diameter (mm)
Cylinder length (mm)Effective volume of cylinder (m3)Max. ball loading capacity (t)Rotate speed (r/min)Power of main motor (kw)
40001600-360019-4213-2916.2310-710
45001800-410027-6119-4315.3470-110
50002000-450038-8327-5814.5700-1500
55002200-500051-11236-7813.8960-2200
61002400-550069-15248-10613.11400-3100
67002700-600093-20165-14012.52000-4300
73002900-6600120-26484-184122600-5900
80003200-7200160-347112-24211.43600-8100
86003400-7700197-429137-299114600-10000
92003700-8300246-530172-37010.75900-13000
98003900-8800296-640206-44610.37300-16000
104004200-9400359-770250-537109100-20000
110004400-9900422-909294-6349.811000-25000
116004600-10400492-1064343-7429.513000-30000
122004900-11000580-1246405-8699.216000-36000

 
Note: Parameters in the form is only for reference, and specific ones should be referred to the signed contract technology requirements.
Parameters of Autogenous Mill(AG Mill):

Cylinder diameter (mm)
Cylinder length (mm)Effective area of cylinder (m3)Rotating speed at work (r/min)Power of main motor (kw)
40001600-360019-4216.2240-540
45001800-410027-6115.3360-830
50002000-450038-8314.5530-1200
55002200-500051-11213.8740-1700
61002400-550069-15213.11050-2400
67002700-600093-20112.51500-3300
73002900-6600120-264122000-4500
80003200-7200160-34711.42800-6200
86003400-7700197-429113500-7900
92003700-8300246-53010.74500-10000
98003900-8800296-64010.35600-12500
104004200-9400359-770107000-15400
110004400-9900422-9099.88400-19000
116004600-10400492-10649.510000-22000
122004900-11000580-12469.212000-27000

Note: Parameters in the form is only for reference, and actual parameters should refer to the singed contract technology.
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