Iron Ore Classification

•Magnetite :

A kind of iron oxide ore, the main ingredients are Fe3O4, and is the compounds of Fe2O3 and FeO, dark gray, the density about 5.15, with Fe72.4%, O 27.6%, and of magnetism, after a long period weathering it become hematite.

•Hematite

Fe2O3, Is a kind of iron oxide ore, the main ingredients is Fe2O3, dark red, the density about 5.26, with Fe70%, O 30%, is the most important iron ore. Due to the its structural condition, it can be divided into many different categories, such as red hematite, SPEcularhematite, mica iron ore (Micaceous hematite), Red Ocher and so on.

•Limonite

This is the ore containing ferric hydroxide. It is the common name of the two different structures of ore Goethite HFeO2 and LepidoCRocite FeO (OH), also the chemical formula of its main component was written as mFe2O3. nH2O, showing Khaki or brown color, containing Fe about 62%, 27% O,11% H2O , the density is about 3.6 to 4.0, mostly being attached to other iron ore.

•Siderite

The carbonate of iron containing ore,its main ingredients is FeCO3, showing blue gray, with the density about 3.8. Most of this ore containing quite a lot of calcium and magnesium.

•Silicate Iron

Such ore is a complex salt, there is no definite chemical formula, ingredients vary widely, usually with dark green, and the density about 3.8, very low iron content, is a poor iron ore.

Iron Ore Crusher and Grinding Mill

•Ore Crusher for Iron Ore Crushing is selected considering three aspects: properties of minerals in the deposit, type of separation process, and requirements of production. The flowsheet chosen for each coal ore must be based on the type of separation method more effective.

•SBM Machinery produces a quantity of sequence metal ore crushers, of which cone crusher and cellular crusher fits for digesting this ore best. Iron ore cone crusher is among the most large capability metal ore crushers. Comparing with other metal crusher, metal ore cone crusher with high-efficiency has excellences for metal ore crushing processes, large productions and reduced maintenance. The prolonged force arm developed in to the cone gives higher metal ore crushing force.

•Iron ore cellular crusher is created in accordance with novel sequence metal ore crushing equipment’s style and design idea, which expands the idea area of coarse crushing and good crushing. SBM metal cellular crusher is developed centered within the conception of completely adapting diverse metal crushing condition, eliminating obstacles brought on by location, environment, basis configuration, consequently offering simple, efficient, low-cost crushing equipment. Our metal ore cellular crusher consists of cone crusher sequence cellular crusher, influence crusher sequence cellular crusher, Jaw Crusher sequence cellular crusher and crawler sort cellular crusher.

Iron Ore Crushing

•Almost all in the metal ore that is mined is utilized for generating steel. So we require the extraction of the pure steel from its ore. The extract the steel from ores, many actual physical and substance procedures are used. The technique utilized depending upon substance components and dynamics in the ore from which it is being extracted. It entails 4 primary steps:

•1. Crushing and grinding of the ore. 2. Concentration or dressing of the ore. 3. Reduction to free metal. 4. Purification or refining of the metal.

Iron Ore Crushing Process

Iron Ore crushing process and the process is mainly divided into the following aspects:

Crushing Process

•① a broken process. A broken process is generally used to provide the right from the feed mill, often constitute a system with self-mill. The process is simple, less equipment, plant and small footprint.

•② two crushing process. The mostly small-scale plant using the process.

•③ three sections broken process. The basic form of the process open and three sections of three sections of a closed two.

•④ work with broken washing process. When the feeding of the mud (-3mm) of more than 5% to 10% and water content greater than 5% to 8%, should increase in the crushing process Iron Ore washing operations.

Grinding and Classification Process Procedures

•In terms of dressing, using a grinding or two can put the economy grinding to a mineral Iron Ore to any size needed. Two or more grinding, usually elected by the other requirements of the decision stage.

•Period and compared to two processes, a grinding process of the main advantages are: less equipment, low investment, simple operation, do not stop because of a grinding segment to another segment of the work of grinding, less downtime losses. But the mill to the Iron Ore particle size range, a reasonable ball hard, not easy to get the final product of smaller, low grinding efficiency.

•When asked the maximum particle size of the final product of 0.2 ~ 0.15mm (or 60% to 79% -200 mesh), generally used a grinding process. Small factories, in order to simplify the process and device configuration, when the grinding fineness required 80% -200 mesh, we also used a grinding process. Two outstanding advantages of grinding can be smaller products, in different sections coarse grinding and fine grinding, especially for stage process.

•In large and medium-sized factories, as required grinding fineness is less than 0.15mm (ie 80% -200 mesh), using two grinding more economical, and uniform particle size composition, was less than smashing. Under the first paragraph of the mill is connected with the classification of different ways, the two grinding process can be divided into three types: the first open; second paragraph of the entire house; first local house, and the second is always closed circuit grinding work process.

Grinding Process

•Since the grinding process is classified to dry and wet. Concentrator to use more wet. Since the mill in order to solve the difficult problem of wear particles to improve grinding efficiency, adding a small amount from the Ball Mill, then known as the semi from the mill.

•Since the constant grinding and crushing, milling, grinding Iron Ore crushing equipment, joint work, based on their association composed of a variety of ways to process.