process production sponge iron

Powder Production Technologies - Powder Metallurgy Review

The major Raw Materials required for production of Sponge Iron by the rotary kiln process are: sized graded Iron Ore and Non-Coking coal. Limestone, in small quantities, is also required to scavenge the sulphur. IRON ORE The quality requirement of Sized ore for sponge iron production …

sponge iron process

Sponge Iron Production Process Arij Trading. Market share: About 23% of sponge iron total production. 4) Tunnel furnace process . This process is the oldest direct reduction method. In this method, Thermal coal is mixed with iron ore as a reducing agent.

Sponge iron process for manned space exploration | ACT of ESA

A similar sponge iron production process is known from U.S. Pat. No. 4,260,412, in which top gas of a reducing shaft furnace prepared by carbon dioxide removal is used for producing fresh reducing gas. The gas producer is a fluidized bed gasifier, to which are supplied the prepared top gas, coal and lime, as well as oxygen and optionally water ...

SPONGE-IRON - Shakambhari Group

In the year 1908 use of tunnel kiln started for iron oxide reduction. This process was invented by E.Sieurin as Hoganas process [3]. In 1954, more kilns came in operation in SWEDEN and USA. Presently it is more popular in China for sponge iron production from beneficiated iron ore fines cakes. In this process, the material passes through

Accretion Control in Sponge Iron Production Kiln using ...

The sponge iron process. The longest established of these processes is the sponge iron process, the leading example of a family of processes involving solid state reduction of an oxide. In the process, selected magnetite (Fe3O4) ore is mixed with coke and lime and placed in a silicon carbide retort.

SPONGE IRON | Rashmi Group

The production process followed at Rashmi Metaliks makes the Sponge Iron unique and superior than its competitors. Iron ore (Red Hematite) is extracted from the mines and taken to the Direct Reduced Iron (DRI) Plant where it is charged with different sizes of Coal (Carbon) by conveyor from different stock houses into the Rotary Kiln.

Iron Sponge Process - an overview | ScienceDirect Topics

The major Raw Materials required for production of Sponge Iron by the rotary kiln process are: sized graded Iron Ore and Non-Coking coal. Limestone, in small quantities, is also required to scavenge the sulphur. IRON ORE The quality requirement of Sized ore for sponge iron production …

sponge iron vertical kiln manf 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.

OPERATIONAL ASPECTS OF SPONGE IRON PRODUCTION IN …

Maurice I. Stewart Jr. PhD, PE, in Surface Production Operations (Third Edition), Volume 2, 2014. 9.4.2.1 Application. The iron sponge process is economically applied to gases containing small amounts of H 2 S (< 300 ppm) operating at low to moderate pressures in the range of 50-500 psig (344.7-3447 kPa). This process does not remove CO 2.

SPONGE IRON PLANT

Process Production Sponge Iron. The iron sponge process is economically applied to gases containing small amounts of H 2 S (< 300 ppm) operating at low to moderate Sponge iron making process - LinkedIn SlideShare jaw crusher of making sponge iron process....

SPONGE IRON | Rashmi Group

The production of sponge iron in India started about three decades ago triggered by the fact that in the mid-1970's, Indian mini-steel plants startedThe hot gas / waste heat generated during the process of manufacture of sponge iron can be used for generation of power.

SPONGE-IRON - Shakambhari Group

Tata Steel LP produces high-grade sponge iron that is consistent in quality. The Company has an annual manufacturing capacity of 390,000 tonnes of sponge iron from its 3 kilns. The production process followed at Tata Steel LP makes it unique and superior than its competitors.. Various properties of sponge iron typically produced at Tata Steel LP:

SPONGE IRON PLANT

Sponge iron production process requires accurate monitoring and control of the process parameters. The performance of rotary kiln sponge iron based processes is normally affected by accretion build up along the kiln linings. Accretion build up is the

SPONGE IRON PRODUCTION FROM ORE -COAL COMPOSITE …

The production process followed at Rashmi Metaliks makes the Sponge Iron unique and superior than its competitors. Iron ore (Red Hematite) is extracted from the mines and taken to the Direct Reduced Iron (DRI) Plant where it is charged with different sizes of Coal (Carbon) by conveyor from different stock houses into the Rotary Kiln.

Coal based Direct Reduction Rotary Kiln Process – IspatGuru

Nov 09, 2014· Sponge iron making process 1. ALBERTUS SEPTYANTOKO 2712100014 2. IRON ORE • Iron = 65-67 % • SiO2 + Al2O3 = 2-3 % • CaO + MgO = 0,5-1 % • Sulphur = 0,02 % max • Phosphorus = 0,04 % max Chemical Composition • Size …

PRODUCTION OF IRON AND STEEL POWDERS

The sponge iron obtained subsequently passes into a rotary cooler where it is cooled with water11-15. There is another process, known as the "Höganäs process", in which high purity ore is placed together with coke and lime in ceramic containers which are in turn placed in a reduction furnace where the process takes place16.

Sponge Iron – Prakash Industries Limited

The main raw materials for the production of DRI by the rotary kiln process are (i) sized graded iron ore or iron ore pellets, (ii) non-coking coal, and (iii) dolomite in small quantities to scavenge the sulphur. Iron ore of the right quality is the basic input for the coal based direct reduction process.

Sponge Iron – Tata Steel Long Products Limited

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

PRODUCTION OF IRON AND STEEL POWDERS

May 16, 1972· Process for production of sponge iron by direct reduction of iron ore wherein iron ore admixed with a carbonaceous reducing agent is passed through a rotary kiln countercurrent to a gas stream, and wherein granular coking high volatile coal is injected co-current to said gas stream as a solid reducing agent by means of oxygen containing gases through an inlet pipe, and said solid reducing ...

Process for the production of carburized sponge iron ...

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