Sponge Iron Manufacturing Process Pdf

1A Manufacturing Process for Iron and Steel

The figure shows a flowchart of the integrated manufacturing process for iron and steel using the blast furnace and basic oxygen furnace (denoted BF and BOF hereinafter, respectively), which is presently the most commonly used method (51% of world steel production). After the BFBOF process, molten steel is controlled to a target composition ......

(PDF) i) Direct Reduced Iron: Production

Mar 30, 2016 · Mar 30, 2016 · Download fulltext PDF Read fulltext. ... This product is known as direct reduced iron (DRI) or sponge iron. Processes that produce iron by reduction of iron ....

SPONGE IRON PRODUCTION FROM ORE COAL COMPOSITE .

Tunnel kiln furnace are evolving as an alternative to Rotary kiln process. Iron ore fines and the low grade beneficiated iron ore cake are directly used for manufacturing of sponge iron in tunnel kilns. The material bed in Tunnel kiln being stationary, it does not require high strength and thermal stability of the raw material....

Powder metallurgy pdf by Process Technologies For Chemical ...

Dec 30, 2015 · The two most common processes used in manufacturing of PM are: a. Sponge Iron Process b. Atomization Sponge Iron Process A magnetite (Fe3O4) ore with lime and coke are placed in a silicon carbide ......

Misra Group | Ceramics Sponge Iron Manufacturing (DRI)

The pilot project that was setup for million Tons capacity under the guidance of Prof. Roy Dept of Metallurgy IIT Khargapur, has been successful and has exceeded all the expectations with the technological breakthrough in the process of Iron ore reduction or Sponge iron manufacturing through a tunnel kiln instead of the conventional ......

manufacturing process of sponge iron

USA Process for manufacturing sponge iron with, A process of manufacturing a sponge iron with low sulphur content by depositing a charge made up of superposed layers of finely divided material on a moving hearth, at least one of the layers being substantially made up of iron oxides and at least another of the layers being made up of a mix of a solid reducing ....

How sponge is made

Sponge manufacturing produces no harmful byproducts and little waste. Sponge material that is lost in trimming, such as when an uneven end is cut off the large block, is ground up and recycled. It can be thrown in the mixer at the beginning of the process, and become part of a new sponge....

tunnel kiln process sponge iron in india

Description of Sponge Iron Manufacturing Process Most of the plants in India use DRI process—a solid state direct reduction process by which iron ore is reduced to sponge without phase change (Figure 1). Raw material mixiron ore, dolomite and coal are fed to one end of rotary Kiln and product sponge iron along with char is taken out from ......

(PDF) Different processes of Sponge Iron production – A Review

Feb 22, 2013 · 2D CFD model of rotary kiln of sponge iron process is developed to study the effects of angle of inclination, number of rotation and mass flow rate of iron ore on output parameters....

Basic Concepts of Iron and Steel Making | SpringerLink

Basic Concepts of Iron and Steel Making. Authors. (view affiliations) Sujay Kumar Dutta. Yakshil B. Chokshi. Presents the fundamental concepts of iron and steel making. Discusses associated problems and solutions. Covers all aspects including furnace properties, materials chemistry, and process thermodynamics. Textbook....

sponge iron manufacturing process diagram

sponge iron process. 29/07/2010 In general sized iron ore of 518mm is used in the process of manufacture of sponge iron on all types of rotary kiln with +16mm not exceeding 1520%.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....

Waste Heat Recovery

Iron and Steel Manufacturing ... manufacturing processes, as much as 20 to 50% of the energy consumed is ultimately lost via waste heat contained in streams of hot exhaust gases and liquids, as well as through heat conduction, convection, and...

Process Flow Diagram Sponge Iron Plant

Process Flow Diagram Sponge Iron Plant [randpic] SPONGE IRON PLANT sponge iron, originating from Iron Ore, namely, silica and alumina and the sulphur and phosphorous contents adversely affect the economics in subsequent steel making operation. Therefore, the ore s...

Raw Materials – Tata Steel Long Products Limited

Sponge iron manufacturing is highly sensitive to raw material characteristics that would help obtain the rated capacity and the desired product quality. To ascertain the suitability of our raw materials in a rotary kiln, Company has established a modern quality assurance facility that is responsible for conducting various tests in respect of ......

sponge iron manufacturing process

 · Sponge iron industries in pakistan have mandatory energyThe coal based direct, sponge iron manufacturing process diagram, sponge iron manufacturing process pdf. Study on Accretion Formation on DRI kiln during, Study on Accretion Formation on DRI kiln, need for development and commercialization of sponge iron manufacturing process arose ......

Production Process

Production Process. Ingots. To manufacture Mild Steel Ingots the company purchase Scrap from open market, imported Scrap from actual importer, Sponge Iron from the manufacturers and these materials, once reach the plant the quality is tested and after getting satisfied, unload the material in ....

Method and apparatus for manufacturing sponge iron

The gas leaving the sulphur filter 15 is at a temperature substantially in excess of that required for the sponge iron process and the temperature is therefore lowered by mixing in a suitable portion of the cold, washed gas in the flow portion 10 to yield a temperature suitable for the 750°1000° C., preferably 825° C....

Direct Reduced Iron and its Production Processes – IspatGuru

Mar 16, 2013 · Fig 2 Principle of direct reduction process. Gas based process. In the gas based reduction processes, a vertical shaft kiln is used in which iron ore is fed into the top of the kiln and finished sponge iron is drawn off from the bottom after cooling it so as to prevent its reoxidation....

sponge iron manufacturing process

sponge iron manufacturing process. LightHouse Info System's Sponge Iron Manufacturing . 2018 6 13Lighthouse ERP for Sponge Iron Industry is designed toplete needs in most efficient, effective accurate way. Lighthouse ERP has continuously evolved since 1987 and Lighthousemitted to provide a industry specific, ......