Ore Dressing Equipments In Ore Processing Course

The ore processing is the most important aspect of the whole mineral production and the crucial sector in the mining enterprises

. Generally, the large-scale mining enterprises are the resource companies integrating mining, elections and smelt. The physical or chemical methods are used to separate the useful mineral from the unwanted mineral or harmful minerals. The ore processing is a process to separate a variety of useful mineral from the mineral, which is also called as "mineral processing". The ore processing is also widely used in the coal industry. The main task of the coal dressing is to rule out the gangue, pyrite and other impurities mixed with the raw coal in order to reduce the ash and sulfur content of the coal. The common methods of ore processing include gravity separation and the flotation.

The application of the ore processing in the geological department is mainly to evaluate the deposits discovered through the optional test of ore. In addition, the ore processing is an effective method for indentifying the rock, mineral and placer mineral. In recent years, the ore processing has been promoted in many economic areas, such as the application in handling of solid waste (including the industrial and municipal waste) and metal recycling industry.

In mining, beneficiation is a variety of processes whereby extracted ore from mining is separated into mineral and gangue, the former suitable for further processing or direct use.

Iron ores are rocks and minerals from which metallic iron can be economically extracted. The ores are usually rich in iron oxides and vary in color from dark grey, bright yellow, deep purple, to rusty red. The iron itself is usually found in the form of magnetite, hematite , goethite, limonite or siderite. Ores carrying very high quantities of hematite or magnetite (greater than ~60% iron) are known as "natural ore" or "direct shipping ore", meaning they can be fed directly into iron-making blast furnaces. Most reserves of such ore have now been depleted. 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. Indeed, it has been argued that iron ore is "more integral to the global economy than any other commodity, except perhaps oil".

In 1965, we has designed and manufactured wet type permanent magnet separator using strontium ferrite as material, and got success in the Bengang Nanfen ore beneficiation plant. It got to spread and application soon, and realized weak magnetic separator permanent magnetization and serialization. At the same time, electro magnetic separator and 128-c3 belt type weak magnetic separator introduced from the original Soviet Union had gradually become obsolete. The permanent magnetic weak magnet separator played a dominant role.

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