Material Balance Of Gas Based Sponge Iron

Material Balance Of Gas Based Sponge Iron

Material Balance Of Gas Based Sponge Iron; Direct reduced iron Wikipedia OverviewProcessHistoryUsesSee also. 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.

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

In conventional coal based sponge iron plant, Fig. 1, kiln feed (Stream no. 1), which consists of iron ore, feed coal and dolomite, is fed to the rotary kiln (RK).A separate conveyor collects different size fractions of coal (Stream no. 5) for injection into the kiln with the help of pressurized air (Stream no. 4) from discharge end side.

Direct reduced iron - Wikipedia

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. Direct reduction refers to solid-state processes which reduce iron oxides to metallic iron at temperatures below the melting ...

Gas Based Sponge Iron Manufacturers & Exporters - Galaxy ...

Using coal for reduction of iron ore has severe environmental issues as it leads to emission of carbon in great proportions. This is the reason why the world today prefers gas based sponge iron. Galaxy Enterprise is manufacturers and exporters of high quality gas based sponge iron and supplies it to steel plants in the India and overseas country.

Sponge Iron - an overview | ScienceDirect Topics

In the first step, iron ore is reduced to sponge iron in a shaft furnace by means of reducing gas. In the second step, the reduced iron is completely reduced and melted in the melter-gasifier vessel. The combustion and gasification of the coal in the melter gasifier generate the heat to melt the reduced iron and the hot reducing gas containing 65–70% CO, 20–25% H 2 , and 2–4% CO 2 .

(PDF) Energy survey of the coal based sponge iron industry

The material balances of the sponge iron process, ... streams of sponge iron, char, waste gas and ... They observed that process efficiency of a conventional coal-based sponge iron industry is ...

GREEN STEEL MAKING - Gas Based Technology for Sponge Iron ...

GREEN STEEL MAKING - Gas Based Technology for Sponge Iron Industry (By Welspun Maxsteel Ltd) Worldwide, there is an increasing emphasis on environmental issues. In the area of gaseous emissions, the Kyoto Protocol & recently held Copenhagen summit 2009 has put great

Iron Sponge Process | Oil and Gas Separator

Several grades of treated wood chips are available, based on iron oxide content. The most common grades are 6.5-, 9.0-, 15.0-, and 20-lb iron oxide/bushel. The chips are contained in a vessel, and sour gas flows through the bed and reacts with the ferric oxide. Figure 7-3 shows a typical vessel for the iron sponge process.

IS 15774 (2007): Sponge Iron/Directed Reduced Iron (DRI ...

IS 15774 (2007): Sponge Iron/Directed Reduced Iron (DRI) Hot Briquetted Iron (HBI) and Cold Briquetted Iron (CBI) ... briquettes made out of sponge iron/DRI produced in gas based direct reduction processes at elevated ... present in sponge iron (resulting from the raw materials), in the form of oxides such as A1203, Si02, CaO, MgO, ...

WELSPUN STEEL LIMITED

Sponge iron manufacture is highly sensitive to raw material characteristics. Therefore, it is essential to examine the chemical and physical characteristics of raw materials, both individually and in combination. The basic raw materials for the production of sponge iron are iron ore, non-coking coal and dolomite. Sizing of the Raw materials ...

sponge iron process

Extensive testing is required for evaluating the suitability of these raw materials for the manufacture of Sponge Iron. Iron Ore: Lump iron ore in the size range of 5-20mm can be used in all coal based rotary kiln processes. In gas based processes 70% iron ore pellets and 30% lump iron ore of …

Heat and Mass Transfer in Reduction Zone of Sponge …

Numerical prediction is performed on reduction zone of iron ore reactor which is a part of counter current gas-solid reactor for producing sponge iron. The aim of the present study is to investigate the effect of reduction gas composition and temperature on quality and capacity of sponge iron products through mathematical modeling arrangement and simulation.

Sponge Iron - an overview | ScienceDirect Topics

Unlike the iron sponge process, the SulfaTreat material is non-pyrophoric and has a higher capacity than iron sponge on a volumetric or mass basis. In the process, the inlet gas stream enters the unit through a small inlet separator to separate out any entrained liquid, salt water, and any liquid hydrocarbon in the gas stream.

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

i) Direct Reduced Iron: Production. ... This product is known as direct reduced iron (DRI) or sponge iron. ... coal-based DR process and (2) gas-based DR process.

Sponge Iron Plants | Steel Manufacturing Companies in ...

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.

sponge iron plant - blackbanqueting.it

sponge iron plant. Sponge Iron Plants in Odisha India EJAtlas. Disclaimer Steel-360 has taken due care and caution in compilation of content for its web site Information is just for reference not intended for trading purpose or to address your particular requirement The content includes facts views and opinions are of individuals and not that of the website or its management

Sponge iron industry needs quick actions for survival ...

25-10-2013· From 2003, coal based sponge iron route dominated because of limited availability of natural gas and fast growing demand of metallics. In fact, no gas based sponge iron/HBI plant came up after 1994 (19 years). During 2003-2008, there had been a rapid growth of coal based sponge iron …

Sponge iron makers urges steel min to ensure raw …

Iron ore and non-coking coal are main raw materials used to produce sponge iron. The minister noted that India's sponge iron production has grown 25 per cent to 28.5 million tonnes in last four ...

SPONGE IRON PLANT

Raw material system mainly consist Vibro Feeder, Crusher and Screen. 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

Coal Gas for DRI plant - jindalsteelpower.com

Direct-reduced iron (DRI), also called sponge iron is produced from direct reduction of iron (in the form of lump, pellets or fines) by a reducing gases produced from natural gas or coal. This reduction takes place in the temperature range 800- 1050 degrees C when reducing gases; mainly Hydrogen and Carbon-monoxide; react with the iron oxides to produce iron.

Coal Gas for DRI plant - jindalsteelpower.com

Direct-reduced iron (DRI), also called sponge iron is produced from direct reduction of iron (in the form of lump, pellets or fines) by a reducing gases produced from natural gas or coal. This reduction takes place in the temperature range 800- 1050 degrees C when reducing gases; mainly Hydrogen and Carbon-monoxide; react with the iron oxides to produce iron.

mon coal based sponge iron plant machinery equipment ...

mon coal based sponge iron plant machinery equipment,Direct Reduced Iron DRI Production Plant NIPPON STEEL SUMIKIN ENGINEERING CO LTD Basic Concept or Summary S16 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

Rotary Kiln Process of Making Sponge Iron C

Rotary Kiln Process of Making Sponge Iron// 13 that the entire production by number 2, 3 and 4 countries is through gas based route while in India, more than half the production is by the coal based route. 2.5 THE INDIAN SCENE Situation in India is different from the rest of the world. Local conditions here have favoured coal based rotary kiln ...

use of fines for sponge iron production in coal based ...

Sponge iron making full process_Coal base DRI - YouTube. 24/12/2018 Direct reduced iron (DRI), also called sponge iron,[1] is produced from the direct reductionof iron ore (in the form of lumps, pellets, or fines) to iron by a reducing gas or elemental carbon ...

Coal based Direct Reduction Rotary Kiln Process – IspatGuru

Boudouard reaction, dolomite, DRI, Iron ore, metallization, non coking coal, pellets, reduction, Rotary kiln, Sponge iron, Sulphur, Coal based Direct Reduction Rotary Kiln Process . The coal based direct reduction rotary kiln process was developed for converting iron ore directly into metallic iron without the melting of the materials.

sponge iron process: 2010

Extensive testing is required for evaluating the suitability of these raw materials for the manufacture of Sponge Iron. Iron Ore: Lump iron ore in the size range of 5-20mm can be used in all coal based rotary kiln processes. In gas based processes 70% iron ore pellets and 30% lump iron ore of …

A Thesis Submitted for Partial Fulfillment of the Degree ...

requirement of sponge iron production. Today India produce 13.9 million tons of sponge iron, out of which 4.2 million ton is gas based and remaining 9.7 million ton is coal based. India has a proven reserve of 410 million ton of high grade iron ore, another 440 million ton of high grade iron …

Melting of a new carbon –free waxed sponge iron in ...

The production of steel in (EAF) using sponge iron produced by Jaleel process as shown in Figure 1, in which water hydrogen from water electrolysis is used as reducing gas for the iron ore. The sponge iron produced by this process is carbon – free [1]. Over the past 20 years to use of EAF for the production of

Mini Electric-Soldering Iron Stand Holder Support Base ...

Mini Electric-Soldering Iron Stand Holder Support Base Station Solder Sponge. Details: *Mini Electric Soldering Iron Stand Holder Support Base Station with Solder Sponge *Fit for pencil type Irons *Made of high quality material, durable and practical to use * brand new and high quality *Size: 4.6*3.9*1.2cm (Approx.) Package Contents:

PRE-FEASIBILITY REPORT

Balance capacity to be installed & commissioned 1 Sponge Iron 0.4 MTPA2.0 MTPA 1.0 MTPA 0.6 MTPA 2 Captive Power Plant Co-generation Power Plant (WHRB) 100 MW 47 MW 20 MW 33 MW Coal based power plant 187.5 MW 162.5 MW 25 MW 0 BF gas based power plant 20 MW 0 0 20 MW TOTAL 307.5 MW 209.5 MW 45 MW 53 MW 3 Ingots/Billets/Bloom

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