The Sponge Iron Production Process

PRODUCTION OF IRON AND STEEL POWDERS

Nov 18, 2018· 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, which has shown a phenomenal growth in India.

sponge iron process

India's Sponge Iron: Production data was reported at 2,434.000 Metric Ton th in May 2018. This records an increase from the previous number of 2,409.000 Metric Ton th for Apr 2018.

sponge iron process

i) Direct Reduced Iron: Production. ... This product is known as direct reduced iron (DRI) or sponge iron. Processes that produce iron by reduction of iron ore (in solid state) below the melting ...

Sponge Iron Plants | Steel Manufacturing Companies in ...

CASE STUDY ON THRESHOLD PROBLEM Sponge Iron Production Process Process description This is the case study of typical coal based sponge iron plant of 500 tonne per day capacity. The process flow diagram (PFD) of the sponge iron process is shown in Fig. 1. Different streams in the PFD are assigned individual number and henceforth each stream

What is Sponge Iron? (with pictures) - wisegeek.com

Direct reduced iron (DRI), also called sponge iron, is produced from the direct reduction of iron ore (in the form of lumps, pellets, or fines) to iron by a reducing gas or elemental carbon produced from natural gas or coal. Many ores are suitable for direct reduction.

DRI, THE SPONGE IRON INDUSTRIE FULL VIDEO - YouTube

Pig Iron Manufacturing Process. View Larger Image; Table of Contents. Electric Furnace Production of Pig Steel ... not so great an opportunity for the iron to come in contact with the coke as is the case in blast-furnace smelting when sponge iron is carburized at the tuyeres, so that a comparatively pure product settles out in the crucible of ...

Sponge Iron Process for Manned Space Exploration

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 300 tonnes per day and 4 …

CASE STUDY ON THRESHOLD PROBLEM Sponge Iron …

Sponge iron process for manned space exploration Final project report June 2005 Executive Summary REDOX cycling of an iron-rich contact mass has been investigated and applied with terrestrial hydrogen production from hydrocarbon and biomass sources. The governing

US5238487A - Process for the production of pig iron and ...

Energy survey of the Sponge Iron Process by Kristina Eriksson and Maria Larsson Department of Chemical Engineering, Lund Institute of Technology, Lund, Sweden 2005-02-04 ... con rmed that the natural gas consumption per ton sponge increases with production rate. Measurements show a large stray ow of fresh air.

Iron - Manufacturing process related to the specified ...

Study on Accretion Formation on DRI kiln during spong iron production Chandrashekhar shrivas, Himanshu shrivas Abstract---Today is an era of competition, and contrary to this the Iron and steel industries are also suffering from the same. One of the major challenges for sponge iron plant is the Accretion formation. Through this

India Sponge Iron: Production - ceicdata.com

Jul 29, 2010· In general -1mm fraction in sponge fines of 0-4mm shall be restricted to less than 30% and +12mm in sponge lumps of 4-18mm shall be restricted to 20-30%. for effective use in induction furnaces . ... I'd like to share brief about a unique sponge iron production process.

Sponge iron production in tunnel kiln – Aramico Company

Commercial sponge iron powder production dates back to 1903 with the invention of the Sieurin process in Sweden. Since 1911 the Hoganas Corporation has continuously manufactured sponge iron, although the early use for this product was as a feedstock for steel making.

(PDF) i) Direct Reduced Iron: Production - ResearchGate

Hydrogen production by steam-iron process. ... is discussed as a new process for stationary hydrogen production. The RESC is based on the sponge iron reaction process in combination with a ...

Energy survey of the Sponge Iron Process - chemeng.lth.se

That is; the production process of sponge iron is a liquid state process whereas it is a solid state process for pig iron. Summary – Sponge Iron vs Pig Iron. Both sponge iron and pig iron are two basic forms of iron that we can obtain via processing natural iron ore.

process production sponge iron - brasserie-du-parc.be

Sponge iron powder . The Höganäs process is a direct reduction method for production of sponge iron powder using magnetite ore (Fe3O4) and carbon as raw materials.

Sponge Iron (DRI) | The Hira Group

With such dimension of notion WE in our Sponge Iron Manufacturing process through 4 Kilns (1 * 350T and 3 * 500T) laid up the best DRI making process in India. It is Coal Fuel based DRI. Coal based Sponge-iron is a metallic product produced through direct reduction of iron ore in the solid state .As such it is also known as Direct Reduced Iron ...

Energy integration of sponge iron production process

Sponge iron is a metallic product produced through direct reduction of iron ore in the solid state. It is a substitute for scrap and is mainly used in making steel through the secondary route. The process of sponge iron making aims to remove the oxygen from iron ore.

What is Sponge Iron? (with pictures) - wisegeek.com

Process. Sponge iron making is a process in which iron ore lumps (typically 5mm-18mm size) are tumbled with a 'select' grade of iron-coking coal little dolomite inside an inclined rotary kiln and control combusted in the presence of air for about 12 hours before the products are air cooled, magnetically separated, screened and size wise in ...

Iron powder Production Process - CNPC

The process of DRI or sponge Iron making can be classified into different categories as given below: (A) Rotary Klin Process Rotary Kiln method is very important for sponge iron production using non-coking coal as a reluctant. The Iron ore is charged from one end with non-coking coal which is in the lump form or pellets and heated from

Sponge Iron Plants | Steel Manufacturing Companies in ...

Hydrogen production by steam-iron process. ... is discussed as a new process for stationary hydrogen production. The RESC is based on the sponge iron reaction process in combination with a ...

Difference Between Sponge Iron and Pig Iron l Sponge Iron ...

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.

Direct reduced iron - Wikipedia

The process flow diagram (PFD) of sponge iron production process, shown in . Get price. sponge iron plants manufacturers and sponge iron equipments. The process was widely accepted by almost all developing countries where generation of scrap was less in …

Study on Accretion Formation on DRI kiln during spong iron ...

Oct 26, 2016· Steel manufacturing Company in India, JSPL has world's largest Coal-based Sponge Iron manufacturing facility at Raigarh, Chhattisgarh with capacity of 1.37 MTPA. status of sponge iron plant ...

Energy survey of the coal based sponge iron industry ...

The sponge iron reaction (SIR) is a chemical process based on redox cycling of an iron-based contact mass, the first cycle is a conversion step between iron metal (Fe) and wuestite (FeO), the second cycle is a conversion step between wuestite (FeO) and magnetite (Fe 3 O 4).

Conversion of Sponge Iron From Low Grade Iron ore And Mill ...

Oct 20, 2018· Sometimes known as direct-reduced iron, sponge iron is a product that is produced using iron ore.The iron ore is often in the form of pellets or lumps, and is subjected to a reduction process that is created by the use of a reducing gas that emits from coal or a natural gas source. This type of iron can be produced in several different types of furnaces, including coke or charcoal ovens, …

SPONGE IRON PLANT

The actual process of the coal based sponge iron production is based on SL/RN process (jointly developed by the Steel Company of Canada, Lurgi Chemie, Republic Steel Company and National Lead Corporation in 1964), which works on direct reduction of ore. This process is adopted by worldwide conventional sponge iron industries.

Sponge iron - an overview | ScienceDirect Topics

A process for producing pig iron is described, which contains a reducing shaft furnace 1 and a melting gasifier 2. The sponge iron produced from iron ores in the reducing shaft furnace is supplied to the melting gasifier and converted there into a pig iron melt.

Hydrogen production by steam-iron process | Request PDF

Oct 20, 2018· Sometimes known as direct-reduced iron, sponge iron is a product that is produced using iron ore.The iron ore is often in the form of pellets or lumps, and is subjected to a reduction process that is created by the use of a reducing gas that emits from coal or a natural gas source. This type of iron can be produced in several different types of furnaces, including coke or charcoal ovens, …

WELSPUN STEEL LIMITED

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.

Sponge iron reaction - Wikipedia

account for more than 90% of the world production of iron and steel powders, viz. the Höganäs sponge-iron process and the water-atomizing process. The former process is based on reduction of iron ore, yielding a highly porous sponge-iron which subsequently is comminuted to powder. The latter process is based on atomization of a stream of liquid