reduction reaction in tunnel kiln process for iron ores
 

Reduction Reaction In Tunnel Kiln Process For Iron Ores

Patent WO2013011521A1 - A method for direct ...

http://www.google.com/patents/WO2013011521A1?cl=en

Jan 24, 2013 ... The method as claimed in claim 1, wherein the tunnel kiln reduction process ... including post-combustion of reduction reaction gas such as CO using excess air. ... In the conventional process, a mixture of chrome ore, reductants and .... The mixture of iron ore, coal is fed to a metallic reactor and claimed in ...

DRI (Direct Reduced Iron) Production Solutions -...

DRI (Direct Reduced Iron) Production Solutions from layout design, equipment ... By using tunnel kiln to produce DRI is that mix the iron ore concentrate, ... (2) The production technical process is easily controlled including the production processing. As the ... The normal reaction temperature inside kiln is 950——1180 ℃.

Direct reduction process using fines and with ...

File format:Adobe PDF

iron, manganese and chromite ores, ... reduction reactions is supplied by the ..... 4 Flow charts for tunnel kiln process for direct reduction with conventional.

sponge iron production from ore -coal composite...

File format:Adobe PDF

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] ... The total reaction is done as a compact bed inside the sagger.

Introduction

File format:Adobe PDF

Keywords: Sponge iron, tunnel kiln, energy e ciency, exhaust, pushing time, ... the flows in the process is shown in figure 1. The tunnel kilns. Reduction mix. Iron ore ... iron ore. Reaction heat limestone. Sponge iron. Cars and capsules. Waste.

6. Instruction of Tunnel Oven Process

Developed a new type of tunnel kiln direct reduction iron (DRI) production. .... the reduced free iron in tunnel oven by refined ore powder is a chemical reaction ...

DRI Tunnel Kiln India | Tunnel Kiln for Sponge ...

The process of Tunnel Kiln uses fines of Iron ore and Coal which are mixed together in ... kiln. The oxides of iron are reduced to iron as per the above reactions.

production sponge iron through tunnel kiln process...

1 day ago ... The production of steel sponge iron tunnel kiln process reitec 13 Feb 2014 ... tunnel kiln process sponge iron. direct reduction of iron ore from ...

Direct Reduced Iron kiln - Beijing DSCD Technology...

Cylindrical Iron Block Direct Reduced Iron with? tunnel kiln. for? decade, we have got ... get kiln temperature under steadily controlled limits. in normal reaction, top ... completed the reduction process,easy to control the iron ore fines and coal ...

1. Introduction The coal-based direct reduction...

File format:Adobe PDF

Keywords: EAF dust recycling, Direct reduction, Iron ore, Rotary hearth furnace, Electric steelmaking ... circular tunnel kiln. ... typically six to 12 minutes, depending on the reactivity ... The FASTMET Process is extremely energy efficient,.

Tel:   0086-371-86162511        Fax:   0086-371-67992699
Email:  [email protected]
Copyright © 2008-2018 by Henan Liming Heavy Industry Science & Technology Co.,Ltd. All rights reserved