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The rotary kiln method is the iron oxide powder into a ball or high-grade ore. Foreign aspects, Japan Powder Metallurgy over the years this method of production of sponge iron, and then the production of iron powder, the annual output of more than 10,000 tons.Source:. This method in the production of steel making more use of sponge iron is one of the main methods of sponge boron powder production of steel-making on the world. Using a variety of powder metallurgy technology and process route can produce high quality iron powder, direct reduced iron, magnetic materials and other industrial products. China has built more than 10 rotary kiln sponge iron production line. Ferrous iron secondary resources from steel enterprises is a valuable resource that should be quality classification sorting. Gas based shaft furnace method is powdered iron oxide into a ball directly in the shaft furnace at high temperature reduction, and thus the production of sponge iron. Powder metallurgy technology has broad application prospects in secondary recycling of iron and ferrous resources for steel enterprises. The world annual production is over 100 million tons of iron. Most of the Chinese iron metal powder supplier uses the tunnel kiln method to restore the sponge iron.The annually production is about 1000 tons. In a period of time, the application of this technology has certain restrictions. Powder metallurgy with iron powder to the high iron content, the conditions at the time, high-grade sponge iron is easy to mutual bonding and hanging affecting the normal operation of the furnace conditions. India is one of the countries of the world's production of sponge iron rotary kiln, its annual output of 2000 tons. How to use these resources reasonable and effective by powder metallurgy technology and realize 304 stainless steel Shower sprinkler bracket seat rack lifting frame nozzle the recycling of iron resources become major issues in the current recycling economy. Reduced iron powder is mainly used for powder metallurgy mechanical structure parts, anti-friction materials, friction materials, carbide, magnetic materials, refractory metals and their alloys and so on. China has more than 30 million tons of production capacity, which accounted for 60% of iron powder production. The iron is basic raw material in powder metallurgy industry. Restore production of sponge iron with anthracite mixed in the rotary kiln. Is well known that the iron manufacture of mechanical parts, the material rate of 95% or more metal material cutting, material utilization at around 45 percent on ordinary that 1 ton iron product is equivalent to 3 tons of steel. Reduced iron powder for other purposes welding, heating bag, smelting and alloy cored wire, diamond and carbide. The world attaches great importance to the production of iron and manganese powder. Production of iron powder, the quality of a direct impact on the development of powder metallurgy and magnetic materials industry, and thus a direct impact on many industrial fields such as automotive, machinery and electronics, home appliances, communications, machinery