rotary kiln furnace in sponge iron plant

WHRB in Sponge Iron Plant - Thermaxglobal

Sponge Iron Plant. We are pioneer in supplying waste heat recovery boilers for sponge iron plants and has over 184 installations to date. The boilers are designed to handle large amounts of dust from the flue gas generated in the rotary kilns. The steam generated …

Rotary Kiln Maintenance Manual - Rotary Kiln Lubrication ...

rotary kiln operations. Regardless of rotary kiln size or configuration the basic principles outlined in this manual govern the reliable operation of every rotary kiln, calciner, dryer, incinerator, digester and cooler application. For questions or problems with your specific application please contact North …

direct reduced iron kiln, direct reduced iron kiln ...

Add to Favorites. High quality coal burner for lime kiln rotary kiln for lime direct reduction iron direct reduced iron rotary kiln. Up to 5 years warranty. US $300000/ Set. 1 Set (Min. Order) 12 YRS Zhengzhou Changli Machinery Manufacturing Co., Ltd. 95.7%. 4.5 ( 5) Contact Supplier.

Plant & Facilities - PATNAIK STEELS and ALLOYS LTD.

In the DRI plant, production of sponge iron using a solid reductant involves reducing iron ore (lumps/pellets) with carbonaceous materials like coal or lignite. The reduction is carried out in a rotary kiln (which is inclined and rotates at a predetermined range of speeds) at a stipulated temperature (850°C -1050°C).

Direct Reduced Iron (DRI) | International Iron Metallics ...

In India there are many small rotary kiln furnaces producing DRI, known locally as sponge iron, using coal as energy and reductant source. Some of the sponge iron plants are captive to steel mills, but there is a significant domestic merchant market, India producing 57% of …

Direct Reduction Process - an overview | ScienceDirect Topics

The basis of the direct reduction process is that solid sponge iron is produced by removing oxygen from the ore in a shaft furnace, rotary kiln furnace or fluidised bed. Sponge iron can be produced in the form of Direct Reduced Iron (DRI), Hot Briquetted Iron (HBI) and Cold Briquetted Iron (CBI); also Low Reduced Iron (LRI), which is pre ...

sponge iron process

In general sized iron ore of 5-18mm is used in the process of manufacture of sponge iron on all types of rotary kiln with +16mm not exceeding 15-20%.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.

Buy Sponge Iron Production in Rotary Kiln Book Online at ...

The entire rotary kiln plant and its functionalities are explained with precision. The concluding chapters explicate the ways to store and handle sponge iron. The heat and mass balance calculation done meticulously shows how the waste heat can be utilized for power generation.

OPERATIONAL ASPECTS OF SPONGE IRON PRODUCTION …

erection. The SL-RN process also uses rotary kiln for reducing iron ore. The plant, as shown in Fig. 2, essentially consists of raw material handling and preparation systems, rotary kiln with heat-ing arrangements for reduction of iron oxide, kiln for cooling the reduced material and the facilities for separating sponge iron from char

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

3.1 Material Balance in a Rotary Kiln sponge iron plant 14 3.2 Energy Balance in a Rotary Kiln sponge based iron making 14 ... soaring price of iron ore and coke, blast furnace is being set up in the countries where iron ore or coking coal is available. We must …

Coal based Direct Reduction Rotary Kiln Process – IspatGuru

Normally for rotary kiln process volatile matter is to be in the range of 25 % to 30 %. Coals for direct reduction in the rotary kiln need to have low swelling index. Normally swelling index is to be less than 1. The physical and chemical specifications of the non-coking coal are as follows. Size of lumps – 5 mm to 20 mm.

rotary kiln for iron, rotary kiln for iron Suppliers and ...

Alibaba.com offers 3,292 rotary kiln for iron products. A wide variety of rotary kiln for iron options are available to you, such as warranty of core components, local service location, and key selling points.

Rotary Kiln - Cement Rotary Kiln and Sponge Iron Rotary Kiln

Rotary kiln. Rotary kiln is a rotating cylindrical vessel which is used for drying, calcination and sintering in a continuous process with the use of hot gases. 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 ...

OPERATIONAL ASPECTS OF SPONGE IRON PRODUCTION IN …

SPONGE IRON PLANT

Sponge iron being magnetic gets attracted and gets separated from non- magnetic char. The iron ore and coal crushed and screened to respective sizes are fed to rotary kiln through feed tube in pre-determined ratio. The rotary kiln is slightly inclined at an angle 2.5 deg and rotated by

iron ore rotary kiln, iron ore rotary kiln Suppliers and ...

2,177 iron ore rotary kiln products are offered for sale by suppliers on Alibaba.com, of which cement making machinery accounts for 34%, industrial furnace accounts for 1%. A wide variety of iron ore rotary kiln options are available to you, such as 3 years, 2 years, and 1 year. You can also choose from egypt, turkey, and none iron ore rotary ...

calculation of sponge iron recovery in induction furnace

Iron ore lumps, also known as sponge iron, below the melting point of iron and typically in the range of c iron oxide is charged into shaft furnace, or fluidized beds in the form of pellet,Dri, is the product of reducing iron oxide in the form of iron ore and steel plant wastes into metallic iron, rotary kiln, or fines the reduction takes place ...

SPOTLIGHT - SAIMM

plant onthe costs ofgaseous-reduced sponge iron will result in sponge iron from shaft kilns costing about 50percentmore than spongeironfromrotary kilns. On the basis ofthe abovementioned investigation, Iscor concluded that in South Africa the rotary-kiln direct-reduction route ismoreeconomic than …

Advances in rotary kiln sponge iron plant | Prasad, K. K ...

Consequently, sponge iron making in rotary kiln flourished first in South Africa, and now India produces over 70% of coal based sponge iron in the world. It is very easy to reduce the higher oxides of iron to FeO stage. One only needs to meet the heat demand, the …

Ironmaking in Rotary Hearth Furnace – IspatGuru

Ironmaking in the rotary hearth furnace (RHF) is a direct reduction process which utilizes non-coking coal for the reduction of iron ore. The RHF is the process reactor which consists of a flat, refractory hearth rotating inside a stationary, circular tunnel kiln. Inside the RHF, direct reduction of iron ore or iron-bearing waste materials ...

ore minimum size of rotary kiln for ore plant

grate travelling kiln iron ore pellet plant. ... rotary kiln iron ore pellet plant. rotary kiln iron ore pellet plant is ... In travelling grate minimum dry pellet ... Inquire Now; rotary kiln furnace in sponge iron plant Solution for ... 4.9/5· Inquire Now; CHROMITE ORE CHROME CONCENTRATION AND Click to view on Bing5:11. By Smidke Mikdl ...

DRI UPDATE - Sponge Iron Manufacturer India

•Rotary Kiln equipment •Power plant equipment. •220KV System equipment ... Sponge Iron (DRI) Kilns 2007-2010 2 x 23 m 3 Micro Blast Furnace 2010-2011 Cold ... based on WHRB & AFBC 2017-2018 3 nos. Induction Furnace 2019-2020 Continuous Caster-Hot charging-Rolling Mill 2. INTEGRATION SPONGE IRON BLAST FURNACE INDUCTION FURNACE COLD ...

(PDF) Modeling of Rotary Kiln for Sponge Iron Processing ...

523-1 Designing of an Intelligent Fuzzy Logic System for Accretion Prevention in Sponge Iron SL/RN Rotary Kiln Based 100TPD Dri Process By Tawanda Mushiri and talon garikayi Industrial and Process Furnaces: Principles, Design and Operation

Computational fluid dynamics analysis of sponge iron ...

The geometry of rotary kiln of sponge iron process is developed using GAMBIT 2.4.6. Dimensions of kiln are 80 m length and 4 m internal diameter. The kiln is inclined to 2.5 degree to the horizontal and rotated with 4.3 rpm. Bed material consists of iron ore, coal and dolomite, enters the kiln through feed end.

Direct Reduced Iron and its Production Processes – IspatGuru

Fig 2 Principle of direct reduction process. Gas based process. In the gas based reduction processes, a vertical shaft kiln is used in which iron ore is fed into the top of the kiln and finished sponge iron is drawn off from the bottom after cooling it so as to prevent its re-oxidation.

SPONGE IRON – Lloyd's Metals

Sponge iron making is a process in which iron ore lumps (typically 5mm-18mm size) are tumbled with a 'select' grade of iron-coking coal little dolomite inside an inclined rotary kiln and control combusted in the presence of air for about 12 hours before the products are air cooled, magnetically separated, screened and size wise in finished ...

Sponge Iron Production in Rotary Kiln - Arabinda Sarangi ...

The increase in the demand of sponge iron is also due to the fact that it is used as a substitute for coking coal which is available in scarcity in the world. This book comprehensively deals with the production of sponge iron in the rotary kiln. The book is divided into 17 chapters. The initial chapters give a brief on the fundamental theories and basic principles of sponge iron production ...

Rotary Kiln Manufacturers | Electrotherm E&T

Rotary Kiln with SL/RN Process. Coal Based Rotary Kiln for Direct Reduced Iron / Sponge Iron (100 TPD, 350 TPD, and 500 TPD) Solid-state reduction of Iron Ore using either coal/gas as a medium of reduction to produce a substitute raw material for steel making is termed as Direct Reduced Iron (DRI). Since DRI is produced by removing oxygen from ...