China is the main country rich of iron ore resources. Since China's Open policy, China introduced largely overseas advanced crusher. For example, An-gang steel company has introduced the latest large scale hydraulic gyratory crusher in Svdedala from Sweden and Krupp from Germany. Zhengzhou Red Star Mining Machinery Company has brought into S series gyratory crusher in Sandvik and H series cone crusher in Sandvik and HP hydraulic cone crusher in Metso. Moreover, Red Star also introduced Mament series large scale hammer crusher which was developed by KHD Co., Germany. Besides, Red Star cement design research department has developed TPC series hammer crusher and PDC series hammer crusher.
Taking in high end technology all round the world, Zhengzhou Red Star Company takes a relatively large market share in domestic machinery market. He persist on independent innovation by combinating research and production, and launched 1200 type and 1500 type double-chamber crusher, which compensates the blank domestic market of middle type and small type tertiary crushers, and which can be also seen in reports in many foreign courtiers. It without doubt has a prospecting market and can replace import middle and small type cone crusher. The 1200 mm inertia cone crusher produced by BGRIMM and Russia is now successfully applied in industry production. Although there being some shortcomings, in a whole, China crusher development has made a great progress up to now.
Flash flotation machine can produce high quality ore concentrate at a time vibrating screen:http://www.hxjqchina.com/product-list_56.html
Flash flotation device is used for coarse grinding, it is especially adapts to pulp density, mineral density and floating particle size range. Iron ore was mined continuously, the useful minerals are constantly decreasing and dissemination size becomes more and more complex, uneven thickness. Recycling monomer dissociation of useful minerals under coarse grinding conditions can not only improve resource utilization, but also can save energy consumption, reduce dressing costs.
Flash flotation can be applied to the separation of ferrous metals, nonferrous metals and other minerals. It has many features such as fast flotation, enrichment is relatively large, simplify processes, a wider scope of pulp density, particle size, small footprint, etc., which is of great significance to the application of sulfide minerals tailings recycling as a comprehensive model. However, the separation efficiency is slightly poor, more sensitive to the quality of separation, and weak adaptability. BF type flotation machine is widely used in chemical industry. In iron ore industry, it is mainly used for iron separation and silicon reduction for fine iron ore concentration. It was magnetic iron ore that Red Star Mining Machinery Co. did ore treatment. In 2003, Red Star made reformation to anti-flotation technology and introduced positive ion anti-flotation technology.
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