Recovery and utilization of waste heat in a coal based ...
Rotary Kiln (1050 C) Kiln air at 30 C Flue gas Fly ash Fines of iron ore at 900 oC Kiln Feeding Iron ore: Feed coal: Dolomite All at 30 C Rotary Cooler Sponge iron (magnetic) At 110 oC Water: at 30 oC DSC 900 C 1020 C Dust: ABC Air: WHRB Waste gas Water: ESP Dust Wet scraper waste gas Dusty gas Chimney Steam Water: at 34.5 oC Fe (Mag)=4.166 tph ...
(PDF) Modeling of Rotary Kiln for Sponge Iron Processing ...
Modeling of Rotary Kiln for Sponge Iron Processing Using CFD package (ANSYS 13.0) A Thesis Submitted for Partial Fulfillment of the Degree Award Of MASTER OF TECHNOLOGY In CHEMICAL ENGINEERING Under the supervision of
sponge iron process
During the process of manufacture of sponge iron, coal injection plays a very vital role in maintaining the product quality. Due to highly endothermic nature of Boudouard reaction, heat has to be continuously supplied in entire reduction zone of rotary kiln. Generally the length of reduction zone is 60-70% of total kiln length.
Coal based Direct Reduction Rotary Kiln Process – IspatGuru
Boudouard reaction, dolomite, DRI, Iron ore, metallization, non coking coal, pellets, reduction, Rotary kiln, Sponge iron, Sulphur, Coal based Direct Reduction Rotary Kiln Process . The coal based direct reduction rotary kiln process was developed for converting iron ore directly into metallic iron without the melting of the materials.
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 …
Sponge Iron Production in Rotary Kiln: Sarangi, Bidyapati ...
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 …
Flow of materials in rotary kilns used for sponge iron ...
Looking forward to the need of developing coal-based sponge iron technology in India, a country having no significant resources of either coking coal or natural gas, the Research and Development Division of the Tata Iron and Steel Company Limited (TISCO) set up a rotary kiln based direct reduction pilot plant in 1975. In this pilot plant, a totally indigenous technology for production of ...
Sponge iron making process - SlideShare
ROTARY COOLER The product is conveyed to the product separation and storage building The product is Sponge iron and char Place that spraying a controlled amount of water directly into hot solids and by spraying additional water outside the cooler shell. 12. SCREENING + 10 mm 3 …
DRI UPDATE - Sponge Iron Manufacturer India
2. ED, SIMA requested the participants to volunteer to spare their rotary kiln for carrying out the R&D for exploring the use of Syn Gas in the rotary kiln. Mr. T Srinivasa Rao, MD, Balajiswamy Premium Steels Pvt Ltd offered his 50TPD kiln for this purpose. 3. Presentation from Tata Sponge Iron Ltd was very much liked and lot of the people showed
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.
2 D Model of Sponge Iron Rotary Kiln Developed Using CFD
2II. Rotary kiln: Operation and construction details 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
Rotary Kiln Maintenance Procedures
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 …
rotary kiln for iron sand processing
first rotary kiln in zimbabwe to produce sponge iron . Iron Sand Processing To Produce Sponge Iron. Process Of The Production Of Iron Ore Add to compare rotary kiln for sponge iron dry kiln rotary kiln for cement plant xinguang mining cturingfind iron ore magnetic emagnetic separation processiron sand e highquality highpower magnetic separators for iron sand processing .
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 ...
China Sponge Iron Rotary Kiln&Rotary Kiln Process of ...
Rotary Kiln Process of Making Sponge Iron US $1,000,000 / Set 180-12000 Tpd High Output Lime Rotary Kiln for Lime Production Line
Premium rotary kiln sponge iron For Industries - Alibaba.com
In the newly designed sponge iron rotary kiln system, a coarse coal branch pipe and fine coal branch pipe are added at the kiln head. The original way of adding coal at the kiln head is changed to 50-70% coal is added together with fine iron ore and dolomite through the mixing mode at the kiln tail, and the remaining 30-50% coal is added ...
Flow of materials in rotary kilns used for sponge iron ...
Flow of materials in rotary kilns used for sponge iron manufacture: Part II. Effect of kiln geometry. Amit Chatterjee 1, A. V. Sathe 2 & P. K. Mukhopadhyay 2 Metallurgical Transactions B volume 14, pages 383–392 (1983)Cite this article
DRI Sponge Iron Plant factory, Buy good quality DRI Sponge ...
Cement Incinerator DRI Sponge Iron 350 Tpd Rotary Kiln. Product name:Sponge iron production line. Applicable Industries:Manufacturing Plant, Construction works, Energy & Mining
Simulation of Rotary Kiln Used in Sponge Iron Process ...
Index Terms—Sponge iron process, rotary kiln, temperature profile, artificial neural network. I. INTRODUCTION Sponge iron is the metallic form of iron produced from reduction of iron oxide below the fusion temperature of iron ore (1535oC) by utilizing hydrocarbon gases or
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
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.
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 ...
A STUDY OF RING FORMATION OF SPONGE IRON IN THE …
for the production of sponge iron in a 34 feet long rotary kiln were successfully conducted at the National Metallurgical Laboratory using pellets made from Donimalai haematite ore and bituminous coal from Maharashtra also nut coke. The iron ore was of high grade with 65-66% Fe, 1.6-2.05% Si02 and 3.0-3.8 per cent A1 203. The
US2754197A - Method and a rotary kiln for the manufacture ...
kiln iron air rotary kiln sponge iron Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US311593A Inventor Wienert Fritz Otto Original Assignee
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.
OPERATIONAL ASPECTS OF SPONGE IRON PRODUCTION …
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 ...
100Tpd/500Tpd Dri Rotary Kiln Equipment Rotary Kiln For ...
Works making sponge iron equipment for 50 & 100 TPD Sponge Iron plants consisting of rotary kiln to various customers. works is also supplying toothed roll crusher for coal/iron ore, jaw crushers for iron ore crushing and coal impactors to sponge iron industry also we are manufacturing & supplying higher ...
Sponge Iron Production in Rotary Kiln, Sarangi, A. Sarangi ...
Sponge Iron Production in Rotary Kiln - Kindle edition by Sarangi, A. Sarangi, B.. Download it once and read it on your Kindle device, PC, phones or tablets. Use features like bookmarks, note taking and highlighting while reading Sponge Iron Production in Rotary Kiln.
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 ...
A Thesis Submitted for Partial Fulfillment of the Degree ...
3.3 Schematic of optimised Rotary kiln sponge iron making process 21 4.1 Industrial view of Sponge Iron making Rotary Kiln 24 4.2 Schematic view of internal heat exchange in Rotary kiln 26 4.3 Schematic view of Lobe Blower. 27 4.4 Schematic view of Air & material flow in Rotary kiln 27 4.5 Filling of Bed Geometry 28