Crusher for sale

Monday, December 5, 2011

Beneficiation process of magnetite ore

Iron ore being the essential raw-material for iron & steel industry, its mining arguably is the cynosure of all mining activities undertaken by any country.

beneficiation-process-of-magnetite-ore-300x225

About 87% magnetite ore deposits occur in Southern Sector, especially in Karnataka. Of these, hematite is considered to be superior because of its high grade. Indian deposits of hematite belong to the Precambrian Iron Ore Series and the ore is within banded iron ore formations occurring as massive, laminated, friable and also in powdery form.

Magnetite ore beneficiation process

Iron ore beneficiation processes and other mineral processing operations with magnetite in the ore require accurate mass flow measurements to properly balance the grinding and separation circuits as well as to determine the true throughput impact of circuit changes. Determination of the mass flow requires an accurate measurement of the volumetric flow rate and the specific gravity of the slurry.

Magnetic separation and flotation

Magnetic separation and flotation are the most widely accepted technologies for upgrading fine iron ore particles, but both processes result in iron concentrates with high amounts of very fine and/or interlocked silica particles. Gravity separation is a common process used in iron industry, but the separation efficiency becomes unacceptable with finely disseminated materials (<45 microns).

Batch flotation studies were carried out to select either direct or reverse flotation technique to optimize reagent combination and to establish the number of stages of operations. Denver D-12 sub-aeration flotation machine was used for the batch flotation studies.

Iron ore beneficiation production line

Iron ore is the raw material used to make pig iron, which is one of the main raw materials to make steel. 98% of the mined iron ore is used to make steel. After crushing, grinding and concentration by the iron ore crusher, iron ore grinding machine and simple iron ore beneficiation equipments,the producers will benefit from it.

Iron-ore-beneficiation-production-line-300x225

Iron ore applications

It is used primarily in structural engineering applications and in maritime purposes, automobiles, and general industrial applications (machinery).

The iron ore market is quite good. Where there is iron ore bed, there is profit. Certainly, you need the associate iron ore crushing,grinding and concentration equipments.

Iron ore beneficiation production line

Because of its hardness, usually the Iron ore crusher adopt jaw crusher, impact crusher and mobile crusher in the Iron crushing plant and adopt ball mill, MTW ginding mill, MTW grinding mill and LM series Iron ore grinding machine in Iron grinding plant. In Iron ore dressing plant contain spiral classifier,flotation machines, filter, concentrator and dryer
To one complete Iron ore beneficiation production line,it may contain all of the machines.The final equipments configuration depends the practical demands and the design.

Iron ore crushing plant

Shanghai DOUBLE Company is one of the top professional iron ore crushing, grinding and concentration machines manufacturers, we help our customers find the best solution, draft the design and supply the matched machines according to their practical requirements, also we can help them install the whole iron ore crushing, grinding and concentration plants if they need. If you are interested in this high profit industry, take up your phone and leave your contact information, we are here waiting for you.

SBM can supply you all kinds of iron ore crusher such as stationary crusher, mobile crushers or portable crusher equipments in mining industry. The iron ore mobile jaw crusher is the widely used primary mobile crusher in mineral processing plants. Mobile crusher for sale will show you low cost, high quality in mobile crushing indsutry etc.

Friday, December 2, 2011

Crusher plant production and maintenance

The production line of crusher plant mainly consists of Vibrating Feeder, Jaw Crusher, Impact Crusher, Vibrating Screen, Belt Conveyor, Electric Control Box, etc. Double equipment design different production lines ranging 50 t/h to 500 t/h by combining different models of equipments also matching Cone Crusher, Bag Dust Catcher, etc. to satisfy different customers’ technological requirements.

Crusher-plant-production[1]

Crusher plant maintenance

Convenient maintenance is so important in the quarrying crusher plant industry. Maintenance can be defined as working on something to keep it in a functioning and safe state and preserving it from failure or decline. Maintenance activities at quarries range from the maintenance of machines, equipment and vehicles to the keeping of roadways on site in good order, attending to such matters as providing edge protection and securing excavations.

It’s important to keep structural costs down, to design for ease of maintenance and operation, and to combine best practices with advances in fabrication and erection.

Best installation for crusher plant

In mining operations, the layout of crushing plants and ancillary equipment and structures is a crucial factor in meeting production requirements while keeping capital and operational costs to a minimum.Since the crushing plant’s structure and enclosure can represent the largest single cost element in a primary crushing plant, it is imperative to optimize these structural and construction costs to suit the life of the operation.

The fundamental goal for the design of a crushing plant is an installation that meets the required production requirements, operates at competitive cost, complies with today’s tough environmental regulations, and can be built at a reasonable price despite the rising costs of equipment, energy and construction labor.

Tuesday, November 29, 2011

Mining jaw crusher

jaw-crusher[1]

Jaw crusher attributes big decline ratio, even granularity, very simple structure, reputable operation, handy maintenance, and lower cost,etc. And Jaw crusher  is broadly employed in mining, metallurgy, construction, highway, railroad, conservancy and chemistry industries,etc.

Application

Jaw crusher is largely employed in mining, metallurgy, building, highway, etc.

Structure features

1. very simple structure, handy maintenance
2. stable function, lower cost
3. even granularity, big decline ratio

Working Principle

Jaw crusher is largely employed in little & medium-sized mining, metallurgy, building, highway, etc. The compression potency is not much more than 320MPa.

jaw crusher technology specification
Primary Jaw crusher

Model
Max. Feed Size(mm)
Adjustable Range of Discharging Opening(mm)
Capacity(t/h)
Motor Power(kW)
Feed Opening(mm)
Weight(t)

PE-150×250
125
10-40
1-5
5.5
150×250
0.81

PE-250×400
210
20-60
5-20
15
250×400
2.8

PE-400×600
340
40-100
25-65
30
400×600
6.5

PE-500×750
425
50-100
45-80
55
500×750
10.1

PE-600×900
500
65-160
70-150
55-75
600×900
15.5

PE-750×1060
630
80-140
130-260
110
750×1060
28

PE-900×1200
750
95-165
220-500
110-132
900×1200
50

PE-1000×1200
850
195-265
250-700
132
1000×1200
57

PE-1200×1500
1020
150-300
400-1000
160-220
1200×1500
100.9

JC series Jaw crusher

Parameter Model Content
JC180×1300
JC250×1000
JC250×1200
JC400×600

Feeding Opening(mm)
180×1300
250×1000
250×1200
400×600

Max Feeding Size(mm)
150
220
220
350

Adjustable Range of Discharge Opening(mm)
10-30
20-40
20-40
35-85

Eccentric Shaft Rotation Speed(rpm)
320
330
330
250

Theoretical Producing Capacity(t/h)
12-35
15-50
20-50
15-70

Electric Motor
Model
Y225M-6
Y225M-6
Y250M-6
Y225M-6

Power(Kw)
30
30
37
30

Rotation Speed(rpm)
980
980
980
980

Overall Dimension(L×W×H)
1320×2150
×1175
1400×1850
×1310
1450×2050
×1310
1920×1460
×1840

Weight(Kg)
6000
5600
6000
6800

Voltage(V)
380
380
380
380

Frequency(Hz)
50
50
50
50

Note: The only reference this specification, any changes are subject to the jaw crusher products.

Monday, November 28, 2011

History of Ball Mill

Ball mill appeared in the early 19th century; 1870 in the grinding mill, based on the development of a uniform size marker rod mill; in 1908 it created a self-mill without grinding media. 30 to 50 years the twentieth century, the United States and Germany have developed a roll bowl mill, roller mill and other vertical type disc pulverizers. This year is mine mineral processing equipment as an essential part of the ball is more rapid development of the.

Ball mill is the material being broken, and then smash the key equipment. It is widely used in cement, silicate products, new building materials, refractory materials, fertilizer, ore dressing, and black glass ceramic and other non-ferrous metal production industries, and other various ore grindability of materials for the dry and wet grinding.

Ball grinding mill is a horizontal rotating device, outer gear, the two positions, lattice-type ball mill. Material from the feed device into the compound by air evenly into the mill screw shaft first warehouse, the warehouse there are ladder liner or corrugated liner, built in different specification steel balls, cylinder to convey ball into the action must generate centrifugal force After the fall height, produce severe impact on the material and abrasive.

To coarse grinding of materials in the first position after the board by the single compartment into the second warehouse, the warehouse lined with flat lining, steel ball inside, the material to further grinding. Powder discharged through the discharge grate plate to complete the grinding operation. Structural characteristics of ball mill from the feeding part, discharging Department, Rotary Department, Transmission Division (reducer, small transmission gear, motors, electrical control) and other major components. Hollow shaft with steel casting, lining Replaceable, slewing gear hobbing by casting process, the body inlaid cylinder liner wear, has good wear resistance.

Ball mill energy consumption in the course of work accounted for the majority of the whole process of cement production, including power consumption, integrated power consumption of cement accounts for about 60% -70%, so
how big the energy consumption of “downsizing” is a cement technology workers unremitting goal. Grinding equipment selection, based on cement and concrete properties (performance,mechanical properties, durability) as the core, not just the pursuit of the production process of reducing power consumption, but also to meet the needs of building energy saving.

“Standard density is low, a good additive compatibility, well age, high strength, help to improve the durability of concrete is the quality of cement concrete.” At the same time, also ensures the development of admixtures industry view, “admixture of cement industry can reduce the required particle bound to improve the performance of cement plays an important role.”

Saturday, November 26, 2011

Sand Crushing Plant for Sale

In sand crushing plant The raw materials are first placed into elementary-crushing machine (jaw crusher) via vibrating feeder for crush, and so the elementary products are transferred through belt conveyor for your secondary-crushing machine (cone crusher) for secondary crushing. The vibrating screen separates the secondary products into two kinds. Usually the one satisfying the traditional with the Vertical Shaft Impact crusher (sand-making crusher) is going to be conveyed for the sand-making machine and be finished products after being washed through the sand washer. Another kind will be restored for the secondary-crushing machine being crushed again.image

Once the input size your materials includes a smaller footprint than 40mm, we recommend you the sand making flow designed with VSI5x series sand making machine, vibrating screen, sand washing machine, etc; otherwise, there may be another solution created for you, equipped with vibrating feeder, jaw crusher, impact crusher (optional), cone crusher, VSI5x series sand making machine, vibrating screen and sand washer.

The flow chart of silica sand processing is:

The quartzite (quartz sand) is mined from deposit quarry then your recycleables is going to be transferred to a stockpile for Primary crushing. Inside the Primary jaw crusher, the raw quartz sand is fed via a vibrating feeder from hopper. After primary crushing, the crushed quartz is going to be fed into cone crusher for further crushing,it will probably be sent to VSI crusher (sand making machine) for final fineness crushing.

After crushing, the quartz sand will probably be sieved into different grades by vibrating screen. The grain size fulfill the demands is going to be collected, as the others is going to be utilized in sand making machine for further crushing.

For river sand, our screening mining machine may also sieve the river sand into diffferent grades based on the clients’ demands. The common grain sizes of silica sand are: 0-0.5mm, 0.5-1mm,1-1.5mm, 1.5-2mm,2-4mm. These sand is popular in building, construction and foundry industries.

Sand Screening, Flotation and Drying

The sand flotation process is primarily accustomed to remove the iron bearing heavy minerals in glass sand crusher . The minerals are usually just like the iron bearing minerals described within the gravity section. Occasionally, flotation can also be used to remove mica.

In The united states, all glass sand is dried at the silica processing plant just before shipping towards the glass manufacturing plant. The advantage of dried sand towards the glass producer is the better ability to accurately appraise the batch ingredients, better material flow characteristics, and mixing of batch ingredients. The fee to dry the sand, however, is borne by the producers with the silica sand. Glass Sand Drying may be the single most expensive unit operation in the silica plant. As the cost of fuel continuously increases, it becomes much more of a cost burden.

Thursday, November 24, 2011

Coal Grinder Equipment Used

SBM coal grinding mill can be a flexible design, we absorb the advantages of Loesche coal mill and then add features too. Coal grinding mill or coal pulverizer are designed for all grades of coal which is highly economical in terms of specific energy consumption. Raymond coal mill can grind all grade coal from hard coal, woodsy lignite, lignite to anthracite coal, oil coke, We’re able to offer you a turnkey project including design, install, and debug a myriad of coal grinding mill plants.

Ball Mill 

ball mill is the vital thing grinding mill for grinding following a crushing process, and ball mill is often a efficient grinding mill for grinding many materials into fine powder. Ball mill may be used for grinding various ore as well as other grinder-able materials wet or dry. Based on variations of discharging materials, The ball mill series are split up into grate type and overflow type, and ball mill goes to grate type.The ball mill is definitely an efficient grinder machine for grinding many materials into fine powder. The Ball mill may be used to grind many different types of mine along with other materials, so that you can select the mine.

Raymond Mill 

After a period of practice and improvement, Raymond mill structure gets perfect daily. For low consumption, low investment, atmosphere friendly , small occupation area, plus much more efficient compared to traditional mill, it’s broadly found in the region of metallurgy, building materials, chemical industry and mining to process powder.

The raymond mill can be used in grinding the non-flammable and non-explosive stuff that has got the Moh’s hardness below 7, humidity under 6%, for instance gypsum, talc, calcite, limestone, marble, feldspar, barite, dolomite, granite, kaolin, bentonite, bauxite, iron ore etc., the greatest items differ from 613 micron to 44 micron. Using the function of separator and blower, raymond mill can meet different customers’ demand.