Applicable Industries | Manufacturing Plant, Construction works , Energy & Mining | Local Service Location | Viet Nam, Indonesia, Australia, Argentina |
Showroom Location | Viet Nam, Indonesia, Argentina, Australia | Video outgoing-inspection | Provided |
Machinery Test Report | Provided | Marketing Type | Hot Product 2019 |
Warranty of core components | 1 Year | Core Components | PLC, Engine, Gearbox, Motor, Gear |
Condition | New | Type | Mill |
Motor Type | AC Motor | Capacity(t/h) | 50 -1000 tph |
Place of Origin | Henan, China | Brand Name | CITIC LK |
Dimension(L*W*H) | 2.4x1.2~13x4.0m | Weight | AG Mill |
Certification | ISO CE | Warranty | 1 Year |
After-sales Service Provided | Video technical support, Online support, Field installation, commissioning and training | Product name | SAG mill |
Model | 2.4x1.2~13x4.0m | Cylinder diameter | 4000-12200mm |
Cylinder length | 1600-11000mm | Effective volume of cylinder | 19-1246m3 |
Rotate speed | 9.2-16.2r/min | Power of main motor | 310-36000kw |
Max. ball loading capacity | 13-869t | Usage | Grinding Ores |
CITICIC 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.
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. 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.
CITICIC 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.
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 grinding involves no grinding media as the ore itself is the grinding media.
The CITIC 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:
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.
CITIC 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 lclutch + 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) |
4000 | 1600-3600 | 19-42 | 13-29 | 16.2 | 310-710 |
4500 | 1800-4100 | 27-61 | 19-43 | 15.3 | 470-110 |
5000 | 2000-4500 | 38-83 | 27-58 | 14.5 | 700-1500 |
5500 | 2200-5000 | 51-112 | 36-78 | 13.8 | 960-2200 |
6100 | 2400-5500 | 69-152 | 48-106 | 13.1 | 1400-3100 |
6700 | 2700-6000 | 93-201 | 65-140 | 12.5 | 2000-4300 |
7300 | 2900-6600 | 120-264 | 84-184 | 12 | 2600-5900 |
8000 | 3200-7200 | 160-347 | 112-242 | 11.4 | 3600-8100 |
8600 | 3400-7700 | 197-429 | 137-299 | 11 | 4600-10000 |
9200 | 3700-8300 | 246-530 | 172-370 | 10.7 | 5900-13000 |
9800 | 3900-8800 | 296-640 | 206-446 | 10.3 | 7300-16000 |
10400 | 4200-9400 | 359-770 | 250-537 | 10 | 9100-20000 |
11000 | 4400-9900 | 422-909 | 294-634 | 9.8 | 11000-25000 |
11600 | 4600-10400 | 492-1064 | 343-742 | 9.5 | 13000-30000 |
12200 | 4900-11000 | 580-1246 | 405-869 | 9.2 | 16000-36000 |
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) |
4000 | 1600-3600 | 19-42 | 16.2 | 240-540 |
4500 | 1800-4100 | 27-61 | 15.3 | 360-830 |
5000 | 2000-4500 | 38-83 | 14.5 | 530-1200 |
5500 | 2200-5000 | 51-112 | 13.8 | 740-1700 |
6100 | 2400-5500 | 69-152 | 13.1 | 1050-2400 |
6700 | 2700-6000 | 93-201 | 12.5 | 1500-3300 |
7300 | 2900-6600 | 120-264 | 12 | 2000-4500 |
8000 | 3200-7200 | 160-347 | 11.4 | 2800-6200 |
8600 | 3400-7700 | 197-429 | 11 | 3500-7900 |
9200 | 3700-8300 | 246-530 | 10.7 | 4500-10000 |
9800 | 3900-8800 | 296-640 | 10.3 | 5600-12500 |
10400 | 4200-9400 | 359-770 | 10 | 7000-15400 |
11000 | 4400-9900 | 422-909 | 9.8 | 8400-19000 |
11600 | 4600-10400 | 492-1064 | 9.5 | 10000-22000 |
12200 | 4900-11000 | 580-1246 | 9.2 | 12000-27000 |
CITICIC began in 1956-The largest mining equipment
and cement equipment manufacturers in China.CITICIC is a
global supplier of technology and services to customers in
the process industries,including
Mining,Construction,Metallurgical,Environmental,Power,Chemical,Marine,Casting&Forgings.
CITIC IC produces over 200,000 tons of quality equipment
annually. Our products include grinding mills,
scrubbers,crushers, kilns, coolers, hoists, reducers, steam
turbines and compressors. CITIC IC also manufactures heavy
castings and forgings, as well as electric/hydraulic
control and lubrication systems.
Our factory in Luoyang covers more than 3 million square
meters, of which 2 million square meters is under cover. It
has a total workforce of approximately 10,000 employees of
which more than 1,200 are engineers.
CITIC IC produces over 200,000 tons of quality equipment
annually. Our products include grinding mills,
scrubbers,crushers, kilns, coolers, hoists, reducers, steam
turbines and compressors. CITIC IC also manufactures heavy
castings and forgings, as well as electric/hydraulic
control and lubrication systems Etc.
CITICIC LuoYang Heavy Machinery Co., Ltd
Website: www.citicmc.com
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