Nigeria is rich is solid mineral resources, such as: Kaolin, gypsum, mica, clay, tantalite, iron ore, gemstone, silica sand.
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Recycling concrete &building rubble is not only able to bring profit to investors, but also good for environment protection.
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Base on the plentiful experience of producing and marketing of impact crusher, Sofol R&D institution…
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Sofol VSI Series vertical shaft impact crusher is designed by reputed German expert of Sofol and every…
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2015. In this experiment has been done laboratory scale processing of iron sand from Sigandu beach regency of Batang to be sponge iron by direct reduction using oxyacetylene gas burner at 1200 o C. Based on the experiments conducted through the process of making a composite pellets briquettes, and conducted trials combustion using oxyacetylene gas burner with the …
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MakingRaw materials of sponge iron making:The basic raw mat. are iron ore, coal and flux.A) Iron Ore: It is very much important raw materi. l which is required for making sponge iron. The important iron ore is hematite(Fe2o. ). This ore is used for sponge iron making. While …
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The new process for production of globular sponge iron by using tunnel furnace method includes the following procedures: preparation concentrate breeze powder, drying, magnetic selection, pelletization, screening, preparation of reducing agent, blending, placing in reactor, putting in furnace, unloading and cleaning. Said invention adopts a kind of rectangular reactor …
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SPONGE IRON PRODUCTION FROM ORE COAL Tunnel kiln furnace are evolving as an alternative to Rotary kiln process.Iron ore fines and the low grade beneficiated iron ore cake are directly used for manufacturing of sponge iron in tunnel kilns.The material bed in Tunnel kiln being stationary,it does not require high Get Pricetunnel kiln for sponge iron production …
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DESIGN AND SIMULATION OF FURNACE FOR FERRUGINOUS SAND TO BE SPONGE IRON PROCESS BY USING TUNNEL KILN TECHNOLOGY Barman Tambunan, Cuk Supriyadi, Juliansyah Pusat Teknologi Industri Manufaktur – BPPT, Kawasan Perkantoran PUSPIPTEK, Gedung ... Pasir besi, Desain, Simulasi, Tunnel Kiln, Sponge Iron Ferruginous sand is one of …
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Conversion of Sponge Iron From Low Grade Iron ore And Mill Scale Through Simulating Tunnel Kiln Condition Rounak Sneh Anand1, Prakash Kumar2, Dr. D.N.Paswan3 ... electric meter …
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In sponge iron production plant by tunnel kiln method, after crushing and screening raw materials, iron ore, coal and limestone are mixed and charged in storage bins in certain ratios 4imY4NS7kaEa Tunn 1990 the senior managers of OTSK began to develop the tunnel kiln for sponge iron cooperated.
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An energy-saving high-efficiency reduction sponge iron tunnel kiln comprises a kiln body, a sealing thermal insulating door, a thermoelectric couple, a sand seal tank I, a sand seal tank II, a sand seal tank III and a sand seal tank IV. The kiln body comprises a cooling preheating segment and a heating reduction segment nozzle; a guide rail I, a guide rail II, a guide rail III and a …
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tunnel furnace for sponge iron pcclas. tunnel kiln process for sponge iron manufacturers tunnel kiln process sponge iron crusher 2013 tunnel kiln process sponge iron in 2013 Zenith as one of the largest mining and crushing equipments manufacturers Get More Info ...
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The present invention is to use the tunnel furnace of no exterior combustion chamber and the novel process that combination tunnel furnace pot type method is produced sponge iron thereof.Present method is the coal-based direct reduction method, can produce the sponge iron of different shapes such as spherical, oblate spheroid shape and square shape.Technology …
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reducing gas like CO, H 2, or na tural gas to produce sponge iron. Using tunnel furnaces, e.g., in . Hoganas technology [1-4], it has become feasible to eliminate the pelletizing process and to .
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Today India stands as the largest producer of coal based sponge iron through rotary kiln process using calibrated ore and non coking coal. However, Rotary kiln process suffers from serious …
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So to get release from this problem huge amount of electric arc furnace and sponge iron production is increased. Sometimes Sponge iron transportation is a problematic situation, because during transportation chances of spontaneous burning of sponge iron are found, that is the effect of re-oxidation of sponge iron. ... The reduction of mill ...
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Sponge Iron. In the gaseous reduction process, a purified ore is commonly used as the starting material. An example of this technique is the reduction of magnetite iron ore to produce sponge iron powder. The sponge cake is crushed, ground, screened, and annealed resulting in a powder that is widely used for low- to medium-density part applications.
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Desain dan Simulasi Tungku Bakar untuk Pengolahan Pasir Besi Menjadi Sponge Iron dengan Teknologi Tunnel Kiln (Barman Tambunan, Cuk Supriyadi, Juliasyah) _____ DESAIN DAN SIMULASI TUNGKU BAKAR UNTUK PENGOLAHAN PASIR BESI MENJADI SPONGE IRON DENGAN TEKNOLOGI TUNNEL KILN DESIGN AND SIMULATION OF FURNACE FOR …
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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 ...
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Traditionally, the blast furnace (BF) has maintained a dominant position as the primary source of iron units. Notwithstanding the efficient nature of the process in respect of its material and energy consumption, the conventional blast furnace route is faced with limitations such as stringent quality metallurgical coke, high capital investment, etc.
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The tunnel kiln technology was developed by Hoganas in 1911. In production of sponge iron through the tunnel kiln technology, it is possible to use both magnetite and hematite ores, using various grades of coal and natural gas as …
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Iron and Steel Making Machines. Reaction time of 42 hours in the Tunnel Kiln provides ample opportunity for the raw material to completely react and this results into superior Fe metallic from the end product; Flow chart of the Tunnel Kiln process is as under; Tunnel Kiln history dates back to 1807 when Hoganas first used this process to produce iron powder of 99.9% purity.
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Sponge iron production in tunnel kiln – Aramico Company. Material handling and storage equipment, magnetic separators, screens, tunnel kiln, burners, wagons, SiC crucibles, charging and dis-charging systems, crushing and milling machines, briquetting machine and iron powder reduction furnace are the main machineries of sponge iron production plant by tunnel …
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Direct Reduced Iron（sponge iron）are produced with canned tunnel kiln, is a kind of effectual production method for Direct Reduced Iron. » Free Online Chat. kiln & furnace. Technollogy Of Sponge Iron Production. Tunnel kiln … picture,then go into the detail about the product. » Free Online Chat. Tunnel Kiln – China sponge iron, reduced ...
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furnace sponge iron bogie quality residence time 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 JP5111530A Other languages Japanese (ja ...
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Keywords: Sponge iron; Tunnel kiln; Sodium carbonate; Barium carbonate; Calcium carbonate. Abstract Due to the high price of natural gas in the production of sponge iron, the overall cost of production is also high in gas methods. Coal methods are an appropriate alternative to gas methods, in which anthracite coal is used to produce sponge iron.
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1- Reduction of mill scale by Hoganas process in tunnel kiln. 2- Crushing the sponge iron cylinder. 3- Annealing of the obtained powder in a belt furnace with broken ammonia. 4- Reaching the ...
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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.
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Browse industrial furnace at Alibaba and discover great prices and after-sales services. All categories. Featured selections. Trade Assurance. Buyer Central. Help Center. Get the app. Become a supplier. ... Professional For Sponge Iron …
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Sponge iron is produced in this factory using the tunnel kiln method, which is one of the best and most common methods for producing sponge iron. ... proper distribution and combination are automatically charged in silicon carbide containers and are regenerated in the furnace under certain conditions. After finishing the process and unloading ...
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