retort process of sponge iron

CN1804049A

Below in connection with FIG 1 process is further described: The user requirements for product sponge iron content, may be used iron content of 66 to 72% iron ore, pellets and cold-pellet production of iron and steel industry and sponge iron powder metallurgy industry...

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SPONGE IRON PRODUCTION FROM ORE

In the year 1908 use of tunnel kiln started for iron oxide reduction This process was invented by ESieurin as Hoganas process [3] In 1954, more kilns came in operation in SWEDEN and USA Presently it is more popular in China for sponge iron production from beneficiated iron ore fines cak In this process, the material passes through...

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Lane hydrogen producer

Process description Where hydrogen was commonly produced with the single retort like the Messerschmitt and the Bamag type, Lane introduced the multiple retort type In the Lane generator water gas was used to heat the retorts up to 600-800 °C after which water gas-air was used in the retorts In the steam-iron process the iron oxidizes and has to be replaced with fresh metal, in the Lane ....

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US1492818A

iron process sponge iron producing sponge furnace Prior art date 1920-01-08 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 US350171A Inventor Edwin B Thornhill ....

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Sponge Iron

The sponge iron is a substitute for scrap in the electric arc furnace (upto 80%), which can be easily manufactured from indigenously available raw materials at very competitive price Sponge Iron is the iron ore reduced in solid state by a direct reduction process ,...

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Titanium Ingot Production Process

TITANIUM INGOT PRODUCTION PROCESS - Titanium Sponge Selection As we know, problem with titanium ingots and subsequent products can stem from the sponge production process Consequently, titanium sponge must meet stringent specification relative not only to chemistry but also to inclusions and surface contamination of the sponge...

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DRI , THE SPONGE IRON INDUSTRIE FULL VIDEO

Jan 17, 2017· we are trying to take a look at the sponge iron industrie , how we making sponge iron by coal based if you like please subscribe and comment ,please comment....

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Sponge iron rotary kiln process

Sponge Iron Composition Manufacturing Process Lloy Sponge iron making is a process in which iron ore lumps typically 5mm18mm size are tumbled with a selectgrade of ironcoking coal little dolomite inside an inclined rotary kiln and control busted in the presence of air for about 12 hours before the products are air cooled, magnetically separated, screened and size wise in finished product ....

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Designing Iron Sponge Process For H2S Removal

Designing Iron Sponge Process For H2S Removal - posted in Student: Hi all, I am a final year student in australia and am trying to complete my design project I am tasked with designing the equipment for the Iron Sponge (oxide) process for the removal of hydrogen sulphide from natural gas I have come to understand that this is a fixed bed adsorber column design but i cannot find much ....

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Means for withdrawing sponge iron from retorts

Feb 01, 1977· Means for withdrawing sponge iron from externally heated retorts whereby the sponge iron is withdrawn at the bottom of the retort including staggered inlet and outlet means and a minimum of three worm screw means moving at the same speed but in differing directions moving the sponge iron from the inlet to outlet means...

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Carbothermic process

Feb 19, 1980· A carbothermic process and apparatus for converting iron ore directly to sponge iron in a vertical retort is described A reaction charge of iron ore, reducing agent, and additives if employed is charged to a vertical retort having in reciprocal cooperation and coordination as a first stage a pre-heating operation wherein the reaction mixture descends in the retort at a constant speed, the ....

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SPONGE IRON INDUSTRY

From a meager production of 131 million tonnes of sponge iron in 1991-92 the present production level of sponge iron level jumped to 767 million tones in 2002-03 and 10 million tones in 2004-05 and India emerged as the largest producer of Coal based sponge iron in the world since 2001...

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What is Powder Metallurgy

Dec 04, 2018· Now, this retort is again heated and subsequently the mixture in the retort is reduced which in turn results into the formation of the slag In the last step, the whole retort is then emptied and the iron sponge which is in reduced format is separated from the formed slag Crushing as well as annealing of the iron sponge takes place to form the ....

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tunnel sponge iron kiln process

tunnel kiln process for sponge ironmaking - YouTube Oct 11, 2013 Tunnel Kiln Process Sponge Iron Technology Consulting Tunnel Kiln Process Sponge Iron Technology Consulting The is the New Technology (Tunnel Kiln) to make Sponge Iron / DRI in India Nov 22, 2011 The Kiln which is 194m in length, is the longest in India was successfully fire ....

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Direct reduced iron

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...

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Lane hydrogen producer

History The first commercial Lane hydrogen producer was commissioned in 1904 By 1913, 850,000,000 cubic feet (24,000,000 m 3) of hydrogen was manufactured annually by this process In the early-part of the 20th century, the process found some use as a means of producing hydrogen lifting gas for airships, as it could produce large volumes of gas cheaply...

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(PDF) i) Direct Reduced Iron: Production

i) Direct Reduced Iron: Production March 2016; , This product is known as direct reduced iron (DRI) or sponge iron Processes that produce iron by reduction of iron ore (in solid state) below ....

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SPONGE IRON UNIT

Steel Exchange India Limited is having a Sponge Iron manufacturing unit in technical collaboration with world renowned M/s Mannesmann Demag of Germany (CODIR Process) With an installed capacity of 2x350TPD and can able to produce Sponge Iron of 0225 Million Tons per Annum 1...

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SPONGE IRON UNIT

Steel Exchange India Limited is having a Sponge Iron manufacturing unit in technical collaboration with world renowned M/s Mannesmann Demag of Germany (CODIR Process) With an installed capacity of 2x350TPD and can able to produce Sponge Iron ,...

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