continuous heat treatment furnace/sponge iron kiln process ...

Ductile Iron Pipe Equipment, Ductile Iron Pipe Plant, continuous heat treatment furnace, sponge iron kiln process. As the engineering equipment supplier of world's largest casting pipe corporation, Handan metallurgical engineering and Research Co., LTD. combines with the actual production experience, paying attention to the development of the casting pipe technology and technical equipment ...

[...Know More...]

WELSPUN STEEL LIMITED

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.

[...Know More...]

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 ...

[...Know More...]

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.

[...Know More...]

Modelling and optimization of a rotary kiln direct ...

Modelling and optimization of a rotary kiln direct reduction process H.P. Kritzinger and T.C. Kingsley ... for cement production and sponge iron production. Hatch has developed a proprietary one-dimensional kiln model to ... Illustrative examples are included for the case of a generic rotary kiln iron-ore reduction process.

[...Know More...]

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

In the sponge iron process concentrated and finely divided iron ore is reduced in solid phase into sponge iron at high temperatures in rotary kiln. The process is very energy demanding. In order to identify the largest losses and to find ways to increase the efficiency, an energy survey of the sponge iron plant was carried out for a number of ...

[...Know More...]

Accretion Control in Sponge Iron Production Kiln using ...

2.3 SPONGE IRON PRODUCTION PROCESS PARAMETERS Kiln performance is influenced by many parameters which include temperature, kiln pressure, kiln inclination and speed, raw material characteristics, feed rate and burden composition, coal slinging and heat transfer, kiln gas atmosphere, quantity of char in the kiln discharge.

[...Know More...]

2 D Model of Sponge Iron Rotary Kiln Developed Using CFD

A schematic diagram of the rotary kiln of sponge iron process considered for the present work is shown in Fig. 1. The rotary kiln consists of a rotating cylindrical shell lined inside with refractory material. The kiln is around 80 m long with 4 m internal diameter with nine different ports of secondary air. In

[...Know More...]

SPONGE IRON PLANT

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 …

[...Know More...]

tunnel kiln process for sponge ironmaking – Grinding Mill ...

Process Description and operational optimization. Generally in any sponge iron process, reduction is conducted in a refractory Total retention time of a container in the tunnel kiln is about 80 hours.

[...Know More...]

100 Tpd Rotary Kiln | Chemistry | Materials - Scribd

The iron ore, coal and dolomite are accurately proportioned and fed continuously as a charge to the feed end through feed chute of the rotary kiln. 6. A remaining bin supplies coal, typically of less than 5mm particles injected to the discharge end of rotary kiln.

[...Know More...]

direct reduction of iron ore from tunnel kiln process

sponge iron production from ore coal composite pellets in tunnel kiln. Keywords: Tunnel Kiln, Iron ore coal composite pellets, Sponge iron, Thermal efficiency, ... good, and so the process finds application in reduction of Ferro nickels, Ilmenite etc [4].

[...Know More...]

sponge iron process

 · In general sized iron ore of 18mm is used in the process of manufacture of sponge iron on all types of rotary kiln with +16mm not exceeding 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.

[...Know More...]

Sponge Iron – Prakash Industries Limited

The manufacture of sponge iron entails the de-oxidisation of iron ore through the direct reduction. Direct reduction is a process by which metallic iron is produced by the reduction of iron ore below the melting temperature of iron. The production technology of DRI has two distinct routes.

[...Know More...]

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

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

[...Know More...]

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

download sponge iron plant more information. The major Raw Materials required for production of Sponge Iron by the rotary kiln ... 1%. COAL. Non-coking coal is used as reluctant in the rotary kiln process.

[...Know More...]

Computational fluid dynamics analysis of sponge iron ...

Simulation of rotary kiln for sponge iron process is based on combustion of coal particles and reduction of iron ore. The heat transfer inside the kiln is done through radiation. The model equations used for computation of desired parameters, such as temperature profile and …

[...Know More...]

100 Tpd Rotary Kiln | Chemistry | Materials - Scribd

100 Tpd Rotary Kiln - Free download as Word Doc (.doc), PDF File (.pdf), Text File (.txt) or read online for free. ... Sponge Iron Plant. Kiln Troubleshooting. Kiln Tyre Load Calculation. Sponge Iron Review. Sponge Iron Report ... If further process is not continued cool from 600O C to 150 @ 3035OC/hrs. h. Below 150OC cool for min. 24hrs. i ...

[...Know More...]

Energy Audit Methodology of Sponge Iron Manufacturing ...

Therefore we find that “Kiln” is the “Black-Box” of this industry and the success of energy efficiency is hidden in the kiln process chemistry. This article tries to establish detailed energy audit methodology of sponge iron manufacturing process or kiln operation with a view to finding out major energy saving potential of the unit.

[...Know More...]

Energy Audit Methodology of Sponge Iron Manufacturing ...

the kiln process chemistry. This article tries to establish detailed energy audit methodology of sponge iron manufacturing process or kiln operation with a view to finding out major energy sav-ing potential of the unit. In the research work we find that it is the incomplete reaction of coal that causes the major energy inefficiency in the process.

[...Know More...]

Simulation of Rotary Kiln Used in Sponge Iron Process ...

out. The role of kiln is to convert the raw material (iron ore, coal and dolomite) into the sponge iron [8]. Detail reaction mechanism of the process is discussed below: There are two reduction reactions. First reaction converts iron ore to iron oxide which further reacts with CO to produce metallic iron (Fe) which is called sponge iron.

[...Know More...]

sponge iron process: July 2010

In general sized iron ore of 18mm is used in the process of manufacture of sponge iron on all types of rotary kiln with +16mm not exceeding 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.

[...Know More...]

Energy Audit Methodology of Sponge Iron Manufacturing ...

the kiln process chemistry. This article tries to establish detailed energy audit methodology of sponge iron manufacturing process or kiln operation with a view to finding out major energy sav-ing potential of the unit. In the research work we find that it is the incomplete reaction of coal that causes the major energy inefficiency in the process.

[...Know More...]

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 ...

[...Know More...]

Rotary Kiln - Cement Rotary Kiln and Sponge Iron Rotary Kiln

Rotary kiln The hot gases may be generated in an external furnace or by a flame inside the kiln. Our cement rotary kiln and sponge iron rotary kiln has been developed for performing drying, calcination and sintering work in a continuous process.

[...Know More...]

WELSPUN STEEL LIMITED

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.

[...Know More...]

US2462900A - Reduction accelerator for the sponge iron ...

similar reducing agents in the rotary kiln sponge iron process undernormal operating conditions usually involves operating temperatures about 2000 Fahrenheit, and a processing time within that temperature range of approximately 80 minutes in order to produce highly metallized (approximately 95 percent) sponge iron.

[...Know More...]

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

In the sponge iron process concentrated and finely divided iron ore is reduced in solid phase into sponge iron at high temperatures in rotary kiln. The process is very energy demanding. In order to identify the largest losses and to find ways to increase the efficiency, an energy survey of the sponge iron plant was carried out for a number of ...

[...Know More...]

direct reduction of iron ore from tunnel kiln process

 · The latest technology in the DRI (Sponge Iron) making is utilizing the Iron Ore Fines directly to produce the Sponge Iron( DRI) and subsequently producing the CBI cold brquetted Iron, which has the multiple benefits, like: 1) High Degree of Metallization. 2) Low Processing cost over the Rotary Kiln Technology.

[...Know More...]

sponge iron making process diagram

Complete Sets Of Sponge Iron Rotary Kiln. Complete Sets Of Sponge Iron Rotary Kiln , Find Complete Details about ... Iron Rotary Kiln,Mining Sponge Iron Rotary Kiln from Cement Making Machinery ... and a fluorescent screen is adopted for showing the simulated process flows. Chat Online

[...Know More...]

rotary kiln process of making sponge iron – Grinding Mill ...

Sponge Iron Rotary Kiln Simulator Tata Consultancy Services. Sponge iron process blogspotcom, Technical aspects of manufacture of sponge iron we have produced 55 million tons plus of steel in our country in the year 2008this production of steel has.

[...Know More...]

Direct Reduced Iron and its Production Processes ...

Direct Reduced Iron and its Production Processes Direct reduced iron (DRI) is technically defined as iron ore which has been reduced to metal without melting it. Hot briquetted iron (HBI) is a densified form of DRI to facilitate its handling and transport.

[...Know More...]

Kiln For Sponge Iron Production - alanglover.co.za

Right from the selection of high grade iron ore and coal, we use only the finest raw material for production. Sponge is the main constituent in production of billets. Get Price; Sponge Iron Production in Rotary … Sponge Iron Production in Rotary Kiln [Bidyapati Sarangi] on …

[...Know More...]

Sponge Iron | Gagan Tmt

The rotary kiln process is a well-established process for production of sponge iron. In this process a refractory lined rotary kiln is used for reduction of iron ore in solid state. The size depends on the production capacity of kiln. The kiln is mounted with a slope of …

[...Know More...]

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

download sponge iron plant more information. The major Raw Materials required for production of Sponge Iron by the rotary kiln ... 1%. COAL. Non-coking coal is used as reluctant in the rotary kiln process.

[...Know More...]

sponge iron process vs cement process - postcatcher.in

difference between sponge iron kiln and cement kiln. Concrete vs. Cement: DRI is also , A Working Group between India and , tunnel kiln process sponge iron in south africa tunnel kiln process sponge iron …

[...Know More...]

sponge iron production in rotary kiln by sarangi

Sponge Iron Production in Rotary Kiln eBook: A Sarangi, Direct-reduced iron (DRI), also called sponge iron, is produced from direct reduction of iron ore (in the form of lumps, pellets or fines) by a reducing gas produced .

[...Know More...]

Simulation of Rotary Kiln Used in Sponge Iron Process ...

out. The role of kiln is to convert the raw material (iron ore, coal and dolomite) into the sponge iron [8]. Detail reaction mechanism of the process is discussed below: There are two reduction reactions. First reaction converts iron ore to iron oxide which further reacts with CO to produce metallic iron (Fe) which is called sponge iron.

[...Know More...]

Sponge iron production in tunnel kiln – Aramico Company

Introduction . Sponge iron production by tunnel kiln method was developed from 1911 as Höganäs method in Sweden. After many modifications, now this process is a sufficient and effective method for sponge iron production.

[...Know More...]

DRI , THE SPONGE IRON INDUSTRIE FULL VIDEO - YouTube

 · we are trying to take a look at the sponge iron industrie , how we making sponge iron by coal based .if you like please subscribe and comment ,please comment your opinion .

[...Know More...]