tunnel process of sponge iron making in calcutta

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(PDF) Production of Sponge Iron through Tunnel Kiln

The slag is made oxidizing in nature by addition of sponge iron in the bath. Oxidation potential of the slag is fulfilled by presence of FeO in sponge iron. In every single heat, samples of slag ...

Misra Group | Ceramics & Sponge Iron Manufacturing (DRI)

The pilot project that was setup for 0.1 million Tons P.A capacity under the guidance of Prof. G.G 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 rotary kiln.

Sponge Iron Plants in Kolkata, West Bengal | Sponge Iron ...

Call +91-8048426385. Contact Supplier Request a quote. Iron And Steel Unit Ask Price. We have integrated steel making facilities from the extraction stage to the final stage. Currently, we are setting up units for manufacturing Sponge Iron and Electric Furnace

SPONGE IRON PRODUCTION FROM ORE -COAL

2014-9-2 · 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

Sponge Iron - an overview | ScienceDirect Topics

DRI, also known as sponge iron, is the product of reducing iron oxide in the form of iron ore and steel plant wastes into metallic iron, below the melting point of iron and typically in the range of 800–1200 °C. Iron oxide is charged into shaft furnace, rotary kiln, or fluidized beds in the form of pellet, iron

OPERATIONAL ASPECTS OF SPONGE IRON

2012-1-10 · 1. Krupp Sponge Iron Process The Krupp. Sponge iron process uses a rotary kiln for the reduction of high grade lump ores or pellets (Fig. 1). The feed is introduced together with reducing and de-sulphurizing agents (lime-stone or raw dolomite) into an inclined rotary kiln, heated counter current to the flow of hot gas and reduced to form sponge ...

CASE GROUP - casepl

2019-10-4 · The process of Tunnel Kiln uses fines of Iron ore and Coal which are mixed together in specified propotions to eventually make DRI having quality grades of 90% plus metallization. The Technology Iron Ore Fines and Coal Fines mixed together are loaded into SiC (Silicon Carbide) beakers which are then loaded onto the cars.

Project Proponent M/s BRGD Sponge and Iron Pvt. Ltd.

2018-1-18 · 1. Sponge Iron Plant (4x100 TPD) 1,20,000 TPA Sponge Iron 2. Induction Furnaces (3x20 T) with matching LRF & CCM 1,45,800 TPA Billets 3. Rolling Mill TMT Bars1,40,000 TPA , Strips & Structural 4. Cement Grinding Unit 1,00,000 TPA Cement (100% PPC or PSC) 5. Captive Power Plant 16 MW (8 MW WHRB based & 8 MW AFBC based) Power

SPONGE IRON PLANT

2018-9-24 · PROCESS FLOW CHART FOR MANUFACTURE OF SPONGE IRON Raw Material Feeding at ground hopper (Coal, Ore) Coal Over Size Crushing Screening Coal Bin Iron Ore Bin Screening Crushing Sized Iron Ore Over Size Limestone Bin Screening of mixed end product (Sponge Iron and unburnt coal) Indirect cooling in rotary cooler with water spray

Companies - Sponge iron - India | Kompass Business

Exporters Of Minerals And Metals Such As Iron Ore And Coal, Pig Iron, Sponge Iron, Stainless Steel. Associated Companies: Visa International Ltd, HLL Building, 2nd Floor, 9, Shakespeare Sarani, Kolkata - 700071, Tel.91-33-30519000, Fax.91-33-30519001 VISA

Misra Group | Ceramics & Sponge Iron Manufacturing (DRI)

The pilot project that was setup for 0.1 million Tons P.A capacity under the guidance of Prof. G.G 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 ...

Sponge Iron, स्पंज आयरन in Sarat Bose Road, Kolkata ,

The basic raw materials used are iron ore and non-coking coal. It is the single most important raw material in basic steel manufacturing process, especially by the furnace route. It has a capacity to manufacture 45, 000 tones per annum of sponge iron lumps and fines.

(PDF) Production of Sponge Iron through Tunnel Kiln

The amount of sponge iron in the charge mix varies from 0-90% depending on its availability and economics of production. Majority of the steel produced through induction furnace route is plain ...

Project Proponent M/s BRGD Sponge and Iron Pvt. Ltd.

2018-1-18 · 5.1 SPONGE IRON PLANT There is a plan to install 4x100 TPD DRI kilns for production of 1,20,000 TPA sponge iron. Manufacturing Process The proposed plant uses the coal based process in which iron oxide in pellet/iron ore will be reduced with non coking coal in a rotary kiln to make sponge iron.

CASE GROUP - casepl

2019-10-4 · The process of Tunnel Kiln uses fines of Iron ore and Coal which are mixed together in specified propotions to eventually make DRI having quality grades of 90% plus metallization. The Technology . Iron Ore Fines and Coal Fines mixed together are loaded into SiC (Silicon Carbide) beakers which are then loaded onto the cars.

CASE GROUP - casepl

2019-10-4 · CASE Group success story includes commissioning DRI Tunnel Kiln, first of its kind in India for use of all kind of iron ore fines. The cost-effective tunnel kiln technology brings final product which has density of 4 GMS/CC thus making it usable directly for melting in induction furnace, arc furnaces.

Biochar in the Höganäs sponge iron process – techno ...

2018-6-18 · utilization in the production of sponge iron by reduction of magnetite ore concentrate. The sponge iron process was created in 1910 by Sven Emil Sieurin, and is a solid-state reduction process with a fine iron powder as the end product (Nationalencyklopedin, 2018). Today the sponge iron process

Sponge Iron in West bengal - Manufacturers and Suppliers

Sponge iron, also known as direct reduced iron is produced from hematite iron ore (5 to 20 mm size) iron oxide pellets (6 to 18 mm size) by removing the oxygen by direct reduction process using non coking coal as the fuel and reducing agent in rotary kiln.

TMT Bar Manufacturing Plants and Process with Latest ...

The Charge is prepared according to the grades proposed chemistry for the targeted grade, Sponge iron and other ingredients along with lime in a close requisite ratio is charged in the arc furnace. Melting. Melting is accomplished by injecting energy to the charge materials in the form of electrical energy through three numbers graphite electrodes.

Amit Metaliks -Amit Alliance

Considering the importance of the sector, Amit Alliance has made credible progress as steel manufacturers in Kolkata. We are the leading TMT bars manufacturer and sole manufacturing partner (conversion agent) of Steel Authority Of India in Eastern India. To elaborate the process - sponge iron is produced by direct reduction.

CASE GROUP - casepl

2019-10-4 · CASE Group success story includes commissioning DRI Tunnel Kiln, first of its kind in India for use of all kind of iron ore fines. The cost-effective tunnel kiln technology brings final product which has density of 4 GMS/CC thus making it usable directly for melting in induction furnace, arc furnaces.

Conversion of Sponge Iron From Low Grade Iron ore And

The present investigation deals with the feasibility study of the process development for production of Directly Reduced Iron (DRI) using waste/low grade iron ore (slime), mill scale and waste/less reactive coal (partly oxidized coal i.e. Jhama coal). In order to get most green and dry strength for safe handling and transportation, the pellets of iron ore slime and the pellets of mill scale ...

Sponge Iron in West bengal - Manufacturers and Suppliers

Sponge iron, also known as direct reduced iron is produced from hematite iron ore (5 to 20 mm size) iron oxide pellets (6 to 18 mm size) by removing the oxygen by direct reduction process using non coking coal as the fuel and reducing agent in rotary kiln.

Calcutta Export Company

Bringing your search to an end, Calcutta Export Company, a company that is engaged in the manufacturing, supplying and exporting of grey iron casting products. In addition to this, we are also recognized among the top-notch Iron Casting Products Manufacturers and Water Meter Box Exporters in India. Our enterprise has also acquired ISO: 9001 ...

Singhal Group of Industries

2019-8-14 · Singhal Group of Industries was formed in 2000 to meet the gap between supply and demand of Sponge Iron & Steel. The vision of the company is to achieve market leadership and prosperity in business through satisfaction of stakeholder needs by continual improvement in quality, cost and delivery of products.

Sponge Iron | SpringerLink

2020-3-3 · An iron ore has the following composition: 58.1% FeCO 3, 11.5% SiO 2, 11.7% CaCO 3, 10.5% Al 2 O 3 and 8.2% H 2 O. It is calcined in a rotary kiln furnace fired with coke containing 84% C, 13% ash and 3% H 2 O. Enough air is supplied to burn the

TMT Bar Manufacturing Plants and Process with Latest ...

The Charge is prepared according to the grades proposed chemistry for the targeted grade, Sponge iron and other ingredients along with lime in a close requisite ratio is charged in the arc furnace. Melting. Melting is accomplished by injecting energy to the charge materials in the form of electrical energy through three numbers graphite electrodes.

Swaren BEDARKAR | GM | PhD - ResearchGate

The main raw materials used are steel scrap, cast iron and sponge iron. In India, majority of the induction furnaces are operated using acidic lining of silica based ramming mass to produce ...