TUNNEL KILN (Coal-based DRI Plant) Production of sponge iron by Tunnel Kiln technology was developed in 1911 as H gan s method. Now very popular, the technology has become an effective method for sponge iron production. With the Tunnel Kiln technology, it is possible to build small plants with low investment costs

Keywords: Tunnel Kiln, Iron ore-coal composite pellets, Sponge iron, Thermal efficiency, Carbon utilization efficiency, Percentage metallic iron . 1. INTRODUCTION The tunnel kilns are mostly used by the ceramic industries for heating refractory and ceramic products [1-2]. In the year 1908 use of tunnel kiln started for iron oxide reduction. This

pdf tunnel kiln sponge iron new technology. The major Raw Materials required for production of Sponge Iron by the rotary kiln process are: sized graded Iron Ore and Non-Coking coal , sponge iron, originating .tunnel kiln process sponge iron New Technology (Tunnel Kiln) to make Sponge Iron / DRI in philippines Nov 22, CASE Group has set up India's first DRI / Sponge Iron unit using Tunnel

latest iron ore fines tunnel kiln technology.Direct-reduced iron (DRI), also called sponge iron,[1] is produced from direct reduction of iron ore (in the form of lumps, pellets or fines) by a reducing gas produced from natural gas or coal

sponge iron tunnel kiln process reitec. Home Equipment Sale sponge iron tunnel kiln process reitec. Sponge Iron making by non coking coal in Rotary Kiln

Sponge iron production from ore coal composite pellets in tunnel kiln Keywords Tunnel Kiln, Iron orecoal composite pellets, Sponge iron, Thermal efficiency, In the year 1908 use of tunnel kiln

Production of Sponge Iron through Tunnel Kiln Process. April 2010; Authors: Swaren Bedarkar. ... Ladle metallurgy is very important technology when it comes to refining of steel and trimming of

CASE GROUP. DRI Tunnel Kiln. FINES TO SPONGE. FINES TO SPONGE DRI (Direct Reduced Iron) Tunnel Kiln was commissioned on 24 November 2011. CASE gave this technology to India and this was also first of its kind in India. The process has been established now after earlier hiccups. The process of Tunnel Kiln uses fines of Iron ore and Coal which

Main Feature Of Rapid Reduction Technology To Compare With Traditional Tunnel Kiln Technology: 1. Not chang formula and method of loading and unloading; 2. Reduction speed 2-3 times faster; 3. Lower 1/3 reducer consumption; 4. Lower 1/3 energy consumption; 5. Recycle coking coal from tailing powder. Picture Of Products: Prepressing Sponge Iron

Dec 22, 2020 Dec 22, 2020 Production technology of sponge iron. The production of sponge iron is made by rolling iron oxide sheet, roasting at high temperature in tunnel kiln or rotary kiln, and reducing iron oxide by pulverized coal. The metal conversion rate has an important effect on the quality and production cost of the final reduced iron powder

2,014 tunnel kiln technology products are offered for sale by suppliers on Alibaba.com A wide variety of tunnel kiln technology options are available to you, such as ce. There are 415 suppliers who sells tunnel kiln technology on Alibaba.com, mainly located in Asia

The relates coal-base direct reduction process for sponge iron with different shape by tunnel kiln without outer combustion chamber and the combination comprises as shown in abstract figure: to iron concentrate, firing pellet, cooling or compacting; preparing the reducer; blending, loading into retort; entering the kiln; out the kiln; and sorting

kiln dri furnace practice in india perfex. to the stable supply of direct reduced iron Tunnel kiln furnace are evolving as an alternative to Rotary kiln process. tunnel kiln iron ore technology . Contact Supplier tunnel kiln iron ore . tunnel kiln process of iron ore reduction . Sponge Iron Manufacturing Process In Rotary Kiln The different