How iron is made - material, manufacture, making, history ...

The first known European breakthrough in the production of cast iron, which led quickly to the first practical steel, did not come until 1740. In that year, Benjamin Huntsman took out a patent for the melting of material for the production of steel springs to be used in clockmaking.

The MIDREX Process - The world's most reliable and ...

ually innovating the world's most reliable and productive ® Direct Reduction Technology: The MIDREX® Process. The MIDREX® Process is unsurpassed in the Direct Reduction industry in terms of production and process flexibility to meet the constantly evolving nature of steelmakers and ore-based metallics providers.

The HBI direct reduction process - voestalpine

Nov 03, 2016· The direct reduction process. HBI is the product of reducing iron ore with natural gas. This is called the direct reduction process and is an environmentally-friendly production process; a DRI plant uses natural gas which is more environmentally sound than coke. The reduction process takes place in the reduction tower.

Process analytics in the Iron and Steel Industry - Siemens

Process analytics in the Iron and Steel Industry Steel is and will remain the most important engineering and construction material in the modern world. With an actual steel production of over 100 million tons per month, the global iron and steel industry is a very dynamic industrial sector.

Iron and Steel Manufacturing

Iron and Steel Manufacturing Industry Description and Practices Steel is manufactured by the chemical reduction of iron ore, using an integrated steel manufac-turing process or a direct reduction process. In the conventional integrated steel manufacturing process, the iron from the blast furnace is con-verted to steel in a basic oxygen furnace ...


Sizing of the Raw materials also play vital role in sponge iron manufacturing process. The required size of Iron ore, MPS (Mean particle size), its physical properties like T.I., A.I. & chemical properties like Fe (T), LOI, gangue content In Sponge Iron Process, two types of coal are being used such as feed coal and injection coal.

What is Sponge Iron? (with pictures) -

May 05, 2019· In addition, the gases emitted during the production of sponge iron can be harvested and used in various other applications. This by-product of the iron making process helps to offset the cost of producing the iron, as well as aid in keeping other processes that require the gas for proper production.

MIDREX Processes -

1. Characteristics of reduced iron The MIDREX process produces direct reduced iron (hereinafter referred to as DRI ). The process reduces iron ore using a reforming gas made from natural gas. The DRI is used mainly as the raw material for electric arc furnaces (EAFs), as a clean iron source substitute for scrap iron.

Iron powder Production Process - Metal Powder Suppliers

the sponge iron. The reduction process consists of two procedures, which are primary reduction (solid carbon reduction) and secondary reduction. The primary procedure mainly includes: (iron ore, rolled steel scales, etc.) → Drying → Magnetic Separation → Crushing → Sieving → Canning → Entering Primary Reduction Furnace → Sponge Iron.


Iron ore crushing is not required since sized material has to be purchased. Iron ore of size 5 mm to 20 mm is being used for the production of Sponge iron. Iron ore is being fed to the Ground hopper, from where it conveyed to the Screen with the help of Vibro Feeder, where Oversize i.e. + 20 mm and Undersize i.e. – 5

Sponge Iron Manufacturing Process, Project Report ...

Full detail on Sponge Iron Manufacturing Process, manufacturing plant, cost, plant design, manufacturing project, suppliers, manufacturing process, analysis report, machinery and much more detail to start your industry.

Sponge Iron Plant - Manufacturers, Suppliers & Dealers

We are the leading exporter, manufacturer and supplier of Sponge Iron Plant Equipment 500X500 in Hyderabad, Telangana, India. These products are preferred by many users' as these are manufactured by using selective raw materials like calcined bauxite with low iron …

Sponge iron making process - SlideShare

Nov 09, 2014· Making process iron ore to sponge iron Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. If you continue browsing the site, you agree to the use of cookies on this website.

Machinery, Equipment, Materials, and Services Used in ...

Nov 26, 2014· Machinery and equipment used directly and predominantly in the production of tangible personal property for sale can be purchased exempt from sales tax using Form ST-121, Exempt Use Certificate. Machinery and equipment used in the administration or distribution phases does not qualify for the exemption.

Sponge Iron Plants | Steel Manufacturing Companies in ...

Commissioned in 1991, the Raigarh plant has a manufacturing capacity of 1.37 MTPA and metallic iron content of more than 81%. The plant uses direct reduced iron (DRI) process method of production and utilises ten indigenously developed rotary kilns (6 kilns of …

Sponge Technology // Sponge Manufacturing // Our Process

CELLULOSE MANUFACTURING. Our sponge manufacturing process begins with dissolving wood pulp sourced from FSC certified paper mills. Chemicals used throughout the production process are reclaimed and reused to reduce the environmental impact of sponge manufacturing.

Direct Reduced Iron (DRI) Production Plant - ECCJ

A direct reduced iron (DRI) production plant is a shaft reduction furnace to produce DRI with large metal iron content by directly reducing iron ore (or iron ore pellets) with reducing gases. While the produced DRI is mainly used as the raw material of electric steelmaking, it is also used as

sponge iron process

Jul 29, 2010· In general sized iron ore of 5-18mm is used in the process of manufacture of sponge iron on all types of rotary kiln with +16mm not exceeding 15-20%.The mean particle size of iron ore shall be restricted to 11mm in order to achieve uniform Fe metallic of all grain size fraction of the product.


2. PRODUCTION OF IRON AND STEEL POWDERS 8 2.3 The Höganäs Sponge Iron Process The Höganäs sponge iron process, is essentially a chemical process in which finely divided iron ore is being reduced with coke breeze yielding a spongy mass of solid metallic iron, which can readily be comminuted to iron powder. The iron ore used at

Direct reduced iron - Wikipedia

Direct-reduced iron has about the same iron content as pig iron, typically 90–94% total iron (depending on the quality of the raw ore) so it is an excellent feedstock for the electric furnaces used by mini mills, allowing them to use lower grades of scrap for the rest of the charge or to produce higher grades of steel.

Designing Iron Sponge Process For H2S Removal - Student ...

Designing Iron Sponge Process For H2S Removal - posted in Student: Hi all, I am a final year student in australia and am trying to complete my design project. I am tasked with designing the equipment for the Iron Sponge (oxide) process for the removal of hydrogen sulphide from natural gas. I have come to understand that this is a fixed bed adsorber column design but i cannot find much ...

Iron - Manufacturing process related to the specified ...

Iron - Manufacturing process related to the specified manufacture(s) December 2013 update: addition of new processes description and some modifications . Related manufacture(s) Description of manufacturing process M-1: Iron Powders (Iron Powder made by sponge iron process, atomization processes (gas and water) and electrolysis)

Pig Iron Manufacturing Process

Table of ContentsElectric Furnace Production of Pig SteelMaking Pig Iron by Electric Furnace Regulation of CarbonPig Iron ImpuritiesLoss of Iron in the SlagAdaptability of the Process to Continuous OperationCost of Production of Pig IronPig Iron At the beginning of the use of the electric furnace, for the manufacture of calcium carbide and ferro-alloys, experimental work was conducted in it ...

Cake Production Equipment for Bakeries | Cake Production ...

The cutting and forming conveyor is designed for the automatic continuous process of the sponge. This reduces any manual work and increases the production output. The mobile conveyor is fitted with all the accessories suitable to handle, cut, fill, bend, and form all types of dough.

What is sponge iron? - Quora

Dec 13, 2016· India is the world's largest producer of sponge iron, most of which is produced primarily through the coal based method of production. Growth in the sponge iron production can be attributed largely to the popularity of secondary steelmaking route,...

coal based sponge iron plant machinery equipment - YouTube

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Used plant machinery & heavy equipment for sale in India ...

Find heavy machinery, second hand used equipment & non-operational or operational manufacturing plants for sale in India.

The Making of Iron & Steel - SEAISI

The BOS process uses pure oxygen, injected by a lance, for refining the relatively impure hot metal (and scrap is used for temperature control). The electric arc furnace uses primarily electrical energy to supply heat to melt scrap steel, sponge iron, or mixtures of scrap and other iron units. Compared to the BOS process, the EAF requires