sponge iron dri rotary kiln The introduction of Rotary kiln: a, Rotary kiln is the main equipment for sintering cement clinker. b, The rotary kilns produced by our company can be divided into dry process and wet process. Compared to been raised 3-5% up, production has been increased 5-10% and heat consumption has been reduced 15% down.
The process of DRI or sponge Iron making can be classified into different categories as given below: (A) Rotary Klin Process Rotary Kiln method is very important for sponge iron production using non-coking coal as a reluctant. The Iron ore is charged from one end with non-coking coal which is in the lump form or pellets and heated from
Simulation of Rotary Kiln Used in Sponge Iron Process Using ANN IACSIT International Journal of Engineering and Technology, Vol. 6, No. 2, April 2014 DOI: 10.7763/IJET.2014.V6.673 95 Abstract—In the present study, estimation of actual output parameters is carried out for a sponge iron production process
Feb 14, 2017· 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. The process has the advantage of low capital expenditure and no requirement of coking coal.
direct reduced iron by tunnel kiln offers 309 thermal oxidation furnace products. ceramic heating furnace for Melt oxidized ore carbon thermal reduction . Three Zones tube furnace for deposition of Carbon and metal Oxidize thermal gradient . Tags: Refractory Brick For Furnace Lining Magnesia Chrome Bricks High Direct bonding Rate. Get Price
Rotary Kiln For Sponge Iron / Dry Process Rotary Kiln / Rotary Kiln ... Rotary Kiln For Sponge Iron / Dry Process Rotary Kiln / Rotary Kiln For Cement Plant, Find Complete Details about Rotary Kiln For ... industrial plants and mining equipment suitable for extracting metals such as, iron, zinc, copper and gold. Chat Online
The lining of the rotary kiln is of the utmost importance, and great care should not only be exercised in selecting the class of brick, but to see that it is well fitted in the kiln in order that success may be achieved. Fortunately, manufacturers are closely studying the question, and are now producing an excellent fire-brick equal to any that can be obtained abroad ; they are tackling the ...
Tunnel Kiln history dates back to 1807 when Hoganas first used this process to produce iron powder of 99.9% purity. When iron ore is mined or processed (in a crusher), lots of fines are generated.
In the conventional process of Tunnel Kiln Process, the Iron Ore and Coal are fed . ... ore )/DRI . Are you a factory or trading company9 We are the professional . Modern Technology Tunnel Kiln Clay Brick Making | Kiln Dry Firewood. ... Ore, concentrate, sponge iron, gas furnace, tunnel type furnace,. Goal: To extract direct reduced iron (DRI ...
4 Iron ore pelletizing Energy efficiency The Grate-Kiln® induration machine is composed of three separate process pieces of equipment. The traveling grate is used primarily to dry
the kiln process chemistry. This article tries to establish detailed energy audit methodology of sponge iron manufacturing process or kiln operation with a view to finding out major energy sav-ing potential of the unit. In the research work we find that it is the incomplete reaction of coal that causes the major energy inefficiency in the process.
• Brick is made of clay or shale formed, dried and fired into manufacturing process. These variations are addressed by a durable ceramic product. ASTM standards. • There are three ways to form the shape and size of a • The method used to form a brick has a major impact on brick: extruded (stiff mud), molded (soft mud) and dry- its texture.
The major Raw Materials required for production of Sponge Iron by the rotary kiln process are: sized graded Iron Ore and Non-Coking coal. Limestone, in small quantities, is also required to scavenge the sulphur. IRON ORE The quality requirement of Sized ore for sponge iron …
Sponge Iron Dri Plant Made By Tunnel Kiln - Buy Tunnel Kiln ... By using tunnel kiln to produce DRI is that mix the iron ore concentrate, pulverized coal and ... for reduction and cooling, iron ore concentrate will be reduction and get the direct reduced iron. ... The process characteristics of Tunnel kiln …
Gasifier For DRI Rotary Kiln. CASE introduces another first in India by introducing coal gasifier for DRI Rotary Kiln saving tremendous coal used for reduction of Iron Ore. The system could be easily installed in the present setup&is totally PLC controlled Automatic equipment. India is largest producer of Sponge Iron in the world.
Study on Accretion Formation on DRI kiln during spong iron production Chandrashekhar shrivas, Himanshu shrivas Abstract---Today is an era of competition, and contrary to this the Iron and steel industries are also suffering from the same. One of the major challenges for sponge iron plant is the Accretion formation. Through this
A muffle rotary kiln is indirect combustion kiln, it applies to high grade iron ore and mill scale, in the condition of reducing atmosphere and high temperature, the iron ore is reduced and volumn shrink, to become high density of DRI ( HDDRI ). The working temperature is 1150 ℃..... To read the details, please click on the finger button
Whitacre Greer utilizes the dry-pressed manufacturing process in its production of clay paving brick and fire brick. Historically, dry-pressed manufacturing was common. In fact, many brick buildings constructed in the early years of the twentieth century were built with dry-pressed brick.
Jul 29, 2010· 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.
Direct Reduced Iron (DRI) ... The process results in a very high quality iron pellet (around 97%) with fewer impurities than HBI ... DRI Rotary Kiln Technology.
volatile coals and lignite and sponge iron contain,- ing 96.7 per cent total iron, 94.1 per cent metal-lic iron and a degree of metallization of 97.3 per cent has been achieved. Rotary Kiln Reduction Process at NML The rotary kiln at NML (Fig. 3) consists of a steel shell …
Nov 14, 2015· Rotary kiln technology is advanced and mature, its products may be DRI, HDDRI, granular iron and CBI. Rotary kiln technology is fit for various of high grade or low grade iron …
Nov 25, 2012· DRI tunnel kiln for sponge iron China (Mainland) Brick Making … DRI tunnel kiln for sponge iron,complete details about DRI tunnel kiln for sponge iron provided by xzx kiln Equipment Co.,ltd. You may also find other latest DRI … »More detailed
Manufacturer of Process For Rotary Kiln, Iron Ore, Rotary Kiln Process Parameters, Flowchart For Sponge Iron and Electric Arc Furnace offered by Lubok Industries, Delhi, Get Price And Support Online; Energy Audit Methodology of Sponge Iron . Energy Audit, DRI Process, Sponge Iron, Kiln Efficiency, Sankey Diagram of Kiln, Coal Balancing 1. .
Direct reduced iron (DRI), also called sponge iron, is produced from the direct reduction of iron ore (in the form of lumps, pellets, or fines) to iron by a reducing gas or elemental carbon produced from natural gas or coal. Many ores are suitable for direct reduction.
2 Iron ore pelletizing Grate-KilnTM iron ore pelletizing system The first Grate-KilnTM system pel-let plant was installed in 1960. The plant took iron ore concen-trate and produced superior iron ore pellets (which are spheres of Downdraft drying Downdraft drying Preheat zone Rotary kiln Zone 1 Zone 2 Zone 3 Zone 4 Pellets Stack Travelling grate ...
The char is burnt at a predetermined rate by the air blown in through the fans mounted on the kiln shell. The hot gases generated during combustion raise the temperature of the kiln refractory lining (bricks) and as the kiln rotates (at one revolution every two minutes), the bed of iron sand, char and limestone slides over hot refractory.
In this technology, DRI is produced in a rotary kiln of 3-6 m diameter and ~ 85 m length installed at an incline. The capacity of the kiln depends on metallization degree and usually does not exceed 225,000 – 300,000 t/y. It is operated in counter-current flow with solids moving down the incline in opposite direction to the gases. Iron ore and coal are jointly charged to the kiln from the ...
We offer third generation tunnel kiln process from China, to convert soft iron ore lumps or briquetted iron ore fines into Direct Reduced Iron (DRI). DRI or sponge iron is a high-quality metallic product and used as a feed-stock in the induction furnace / electric arc furnace.
i) Direct Reduced Iron: Production. ... This product is known as direct reduced iron (DRI) or sponge iron. ... discussion is restricted to the rotary kiln process only.