Iron Ore Benification Plant

Iron Ore Jigging Plant 

First latest special jigging plant for hamatite iron ore in India.

EMF tech  jig is a simple mineral processing device using water and the force of gravity to separate a raw ore stream by density. In many applications this permits a low grade ore stream to be upgraded in quality sufficient for sale: gangue of different density to the valuable component is rejected into a waste stream, leaving a higher percentage of the valuable component in the product stream compared to the feed. The distinguishing characteristic that separates a jig from other gravity and water based mineral processing devices is the action of a pulsing water current on a bed of ore to alternately fluidize and compact the bed, allowing the denser minerals to settle to the bottom of the bed for subsequent splitting into a product and reject stream.

Electro magnetic flux industries state-of-the-art expertise and technologies cover 

• Process modelling – incorporating all aspects of the iron ore processing plant.
• Materials handling – solutions for conveying, apron feeders, stockyard systems, stacking, reclaiming and load out stations.
• Commutation – including cone, gyratory and jaw crushers and ball, rod and autogenous grinding mills.
• Scalping and screening – grizzlies, vibrating screens and scrubbers.
• Beneficiation – including jigs, dense media separation (DMS ), gravity separation, wet and dry magnetic separation, tbs separators and flotation.
• Thickening and filtering.
• Environmental control – air cleaning and waste disposal covering coarse waste and slimes.  

Hematite Iron Ore Beneficiation Plant

Latest beneficiation plant for  hematite iron ore processing ( 200 tph Hydro cyclone plant in india)

The key beneficiation process includes:gravity separation,floatation,strong magnetic beneficiation or mix several beneficiation process,and another process is magnetization roasting after which weak magnetic separation. The early haematite beneficiation mostly used the gravity separation process,and the main machines are:jigger,centrifugal separator,spiral chute,spiral washing machine, shaking table etc. Because various other beneficiations’ production capacity was small, the grade after processing was low, recovery ratio is low then was dumped as time passes. Later as the hematite beneficiation developing, the floatation process and high intensity magnetization process. It mainly use oxidized paraffinum sodium salt because the collector for floatation and electromagnetic strong magnetic separator as beneficiation equipment for strong magnetic separator. However the others beneficiation technology target counseled me not adequate enough. These latest years, the beneficiation process of Hematite is promoting very well. Especially utilize the high intensity magnetic separation which is can increase the grade of iron ore concentrate well, as well as the recovery of Iron ore concentrate is satisfying.

Magnetite Beneficiation Plant is a high school mesothermal deposits of contact metasomatic mineral (sand skarn type), this mineral is the most effective method of magnetic beneficiation. The separation process with a more dry magnetic separation or Sec Sorting broken or minor product, as a preparation before sorting operations.

Excreted mainly dry magnetic separation to obtain coarse-grained tailings and deep selection of products further. Selected for further in-depth product finely ground by the Sec or three paragraphs, then Sec or three wet magnetic separation, was the final concentrate product. Wet Magnetite Beneficiation Plant is generally cylindrical with a permanent magnet magnetic separator for sorting. Sec magnetic separator at the end of a period or to use more downstream slot type; more than three paragraphs or four semi-counterflow; magnetic ball mill, when discharging directly upstream type or downstream multi-purpose type.

The magnetic mineral magnetite-quartzite

Magnetite-quartzite deposits are sedimentary-metamorphic ore, magnetic separation method widely used at home and abroad this type of ore sorting, the types of ore in China is known as Anshan-type magnetite ore poor in foreign countries known as taconite, magnet quartzite, etc., in iron ore resources in such an important position, is the main target of magnetic separation.

Magnetite Beneficiation Plant process is characterized by the use of phase magnetic stage grinding process, so that discharge can be monomer gangue phases, reducing the amount of the next stage of grinding.

Magnetic devices use more cylinder-type magnetic separator, the upstream end of trough-type and semi-countercurrent type. At home and abroad have used magnetic dewatering tank for instance off the mud.

The use of stage grinding process – weak magnetic separation process. First, the pulleys on the ball with the magnetic material into the pre-selection, before grinding can be discarded in the yield of 8%, 9% of grade waste rock, into the ground to improve product quality by 2% magnetic iron recovery was 99%. The first paragraph, a second magnetic concentrate grade, the second grinding, the second magnetic concentrate by fine sieve sieve material to return the ball mill, Sec, as selected three sections of the magnetic particle size has been strictly controlled, increased mineral monomer dissociation degree, make the final concentrate grade from 64% to 65% to 67% ~ 68.5%.

Roasting magnet (Magnetic Roasting Technology)

Hematite, limonite, siderite, pyrite and other minerals, magnetic low, with a weak magnetic separation can not be recycled, but you can use magnetic roasting method to turn them into strong magnetic iron minerals (magnetite or γ-hematite), and then recovered using low intensity magnetic separation methods.

Magnetic Roasting Technology the ore is heated to a certain temperature in the appropriate atmosphere for physical and chemical reactions. According to the different minerals, different chemical reaction. Principle can be divided according to their magnetic roasting reduction roasting, baking and roasting so neutral.

•  The reduction roasting – for hematite and limonite. Commonly used reducing agent are C, CO and H2 ratio.

Limonite in the heating process of the first compound of water discharged into the water does not contain hematite and magnetite are reduced.

•  Neutral roasting – for siderite. Siderite in the barrier into the air or through a small amount of air conditions, heated to 300 ~ 400, they were broken down into magnetite.
• Roasting – for pyrite. Oxidation of pyrite in the atmosphere (or access to a large number of air) into a short time roasting pyrrhotite is oxidized, if oxidation time is long, pyrrhotite into magnetite.

The Siderite Iron Ore Beneficiation Plant processing technology have re-election, and strong magnetic separation or flotation process and use a variety of mineral, and there have been post-low intensity magnetic separation magnetic roasting process. Early hematite  iron ore processing generally use more re-election process, mainly jig, centrifugal concentrator, spiral chute, spiral concentrator, shaking and other mineral processing capacity because of their small, beneficiation of low grade, low recovery rate gradually later, the development of Siderite Iron Ore Beneficiation Plant out of the flotation process and the high intensity magnetic separation process mainly paraffin oxide soap is for the collector of the flotation process and to electromagnetic annulus intensity magnetic separator for sorting equipment, high intensity magnetic separation process. But the sorting specifications have not reached a satisfactory result. In recent years, the mineral siderite  iron has achieved rapid development, siderite  iron ore processing technology are: electromagnetic pulsating high gradient magnetic separator is represented by strong magnetic beneficiation process and represented by series of anti-flotation beneficiation process. Especially the use of magnetic - flotation process to make some of mine co-siderite sorting reached grade of iron concentrate and  siderite    iron ore recovery satisfaction index.

Siderite iron ore magnetic separation

Considering that the iron contents within the rougher middlings and cleaner middlings are high, as well as the particles size of the cleanser middlings is pretty large, you’d utilize high intensity magnetic separator to process the mixture of cleaner middlings after regrinding and rougher middlings.

EMF Industries produce high weir type, single and double spiral, and immersed single and double spiral classifiers. Our Spiral Screw Classifier are widely used in the distribution of ore in closed circuits with ball mills, grading ore and fine slit in gravity mills, grading granularity and flow of metal ore-dressing, and de-sliming and dehydrating in washing. This product features simple structure, reliable working conditions and convenient operation. Because different grains have different specific gravity and sedimentation rates in liquid, this product allows the fine ore to flow in the water, while coarse ore sinks to the bottom. This classifier can filter materials and send coarse materials to the feeding mouth and discharge fine materials from the pipe. The seat of the machine features channel steel material, while the body is armor plated and the spiral axle is made of cast iron for durability. The machine's lifting equipment can be used manually or electronically.

Application using industries:

•  Iron ore benification processing Plant
•  Iron ore jiggling process 
•  Iron  ore wet jiggling process 
•  Upgrading the Iron ore 
•  Iron ore washing plant 
•  Hydrocyclone
•  Mineral washing plant
•  Mining washing plant
•  Iron ore benefication plant
•   Magnatite beification plant
•  Magnatite jiggly plant
•  Magnatite wet jiggly plant.