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Large numbers of iron ore mines are in operation in Orissa, India to meet the internal and export demand of iron ore for iron and steel making. During the process of mining relatively lower grade iron ore containing 56-58% Fe is also being generated and stockpiled separately due to less market and industrial value. The accumulation of these lower grade lumps and fines are increasing day by day due to increase in the regular production of iron ore for steel industries. Simple washing of these low grade ores by scrubbing could not upgrade the iron content as evidenced from some laboratory studies.
However the utility of these ores in sinter or pellet making have urged many laboratories in India to undertake systematic studies for recovering iron values from these low-grade ores.
Pelletizing plant iron ore involves different types of equipment. The main areas or processes are the hub, ball, induration and handling. The concentrator is where the ore is ground to a fine particle size typically 80 % - 45 micron powder and other impurities separated by magnetic separation and flotation . The area of agglomeration is where the powder ore is mixed with water, a binder and rolled in rotating drums to create spherical balls . The area of induration fact can be broken down into three areas: grid, oven, cooler. The grate surface is where the pellets are dried and the curing process is started. Pellets at this stage are more stable and can be stored in the oven without braking. The oven is used to conduct heat in the pellets to force the reaction throughout the pellet. In an effort to recover all of the heat that is present in the pellet after the oven, the granules fall into a cooling device .
Hematite is weak magnetic associated ore. The Mohs hardness of the hematite is 6. The flow of the technics would be: 1st stage ore washing--storage--1st stage crushing--2nd stage crushing--3rd stage crushing--2nd stage ore washing--storage--feeding ore into rotary kiln--magnetizing roasting--ore cooling--storage--ore milling--magnetic separation--dehydrate--fine ore.
Hematite iron ore mobile crusher is developed based on the idea of design series iron ore crushing equipment , which expands the scope of coarse and fine grinding crushing.Our Mobile Crusher novel hematite iron idea is designed according to the design of the adaptation completely different iron crushing condition , eliminating obstacles due to location, environment, the basic configuration , thus providing simple, efficient equipment crushing at low cost. Our mobile crusher hematite iron ore crusher includes cone crusher series mobile , the series of mobile crusher crusher crusher series mobile crusher and crawler type mobile crusher jaw impact. This series Hematite iron ore crusher really supply simpler more efficient less expensive machines for customers.
The equipment commonly used in chromite ore plant mainly including crushing equipment, grinding equipment, material separation equipment.
In terms of crushing and grinding equipment, you have the following choices : jaw crusher, impact crusher, cone crusher, ball mill, vertical mill, trapezium mill, super thin grinding mills and so on . Each type of crusher and has different models, so you can choose the one that suits according to your actual situation.
As I mentioned above, the separation method used chromite ore is magnetic separation, you can choose our high quality and a magnetic separator at low prices . We can also provide you with vibrating feeder, vibrating screen, belt conveyor, dryer and so on.
Magnetic separation machine can be applied for wet dressing of ores with the size less than 3mm.
HST cone crusher is a wide variety of quality size reduction equipment & system in rock processing industry.
Hammer crusher machine is developed for both dry and wet crushing of brittle, medium-hard materials for the mining, cement, coal, metallurgic materials etc.
Mobile cone crusher is suitable for secondary and tertiary crushing in direct feed applications.
Its fully-enclosed layout features high integration. It integrates the functions of high-efficiency sand making, particle shape optimization, filler content control, gradation control, water content control, and environmental protection into a single syst
