The requirement of Iron and steel is met from domestic production. As China has no better grade of major Raw material like Iron Ore, it is one of the major importers of pig iron from India and NINL has share it. NINL has a positive edge as global transporter MMTC is taking care of marketing strategy [16].
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The process of sintering begins with the preparation of the raw materials consisting of iron ore fines, fluxes, inplant metallurgical waste materials, fuel and return fines of the sinter plant. These materials are mixed in a rotating drum and water is added in order to reach proper agglomeration of the raw materials
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In 2014, the United States was the worlds thirdlargest producer of raw steel after China and Japan, and the sixthlargest producer of pig iron. The industry produced 29 million metric tons of pig iron and 88 million tons of steel. Most iron and steel in the United States is now made from iron and steel scrap, rather than iron ore.
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Sinter plants agglomerate iron ore fines with other fine materials at high temperature, to create a product that can be used in a blast furnace. The final product, a sinter, is a small, irregular nodule of iron mixed with small amounts of other minerals. The process, called sintering, causes the constituent materials to fuse to make a single porous mass with little change in the chemical properties of the ingredients. The
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The iron ore concentrate is now mixed and ready for the pelletizing process. Pelletizing A pellet plant contains a series of balling drums where the iron ore concentrate is formed into soft pellets, in much the same manner that one rolls a snowball, to make a pellet about the size of
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The raw material is rolled into a ball, then fired in a kiln or in travelling grate to sinter the particles into a hard sphere. The configuration of iron ore pellets as packed spheres in the blast furnace allows air to flow between the pellets, decreasing the resistance to the air that flows up through the layers of material during the smelting.
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The principal raw materials for an integrated mill are iron ore, limestone, and coal or coke. These materials are charged in batches into a blast furnace where the iron compounds in the ore give up excess oxygen and become liquid iron.
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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 ".
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Apr 06, 2016· Mill scale is a valuable metallurgical raw material since it contains 6570% iron. JSW Steel Ltd is a 7 Mtpa integrated steel plant and generates 270 t of mill scale per day. Most of the materials of steel plant wastes are recycled through sinter making in most of the countries.
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