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Sponge Iron Vertical Kiln Manf Process

Sponge Iron Vertical Kiln Manf Process

OPERATIONAL ASPECTS OF SPONGE IRON

OPERATIONAL ASPECTS OF SPONGE IRON

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 ...

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sponge iron process

sponge iron process

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.

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Sponge Iron Iron Steelmaking

Sponge Iron Iron Steelmaking

A vertical retort is used for the reduction of iron ore as against a rotary kiln in coal based sponge iron process. When the gases are travelling upwards the charge moves downward by gravity. Gas-based sponge iron is not subjected for magnetic separation, as no contamination with nonmagnetic is possible either it can be cooled indirectly or ...

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Sponge Iron an overview ScienceDirect Topics

Sponge Iron an overview ScienceDirect Topics

DRI, also known as sponge iron, is the product of reducing iron oxide in the form of iron ore and steel plant wastes into metallic iron, below the melting point of iron and typically in the range of 8001200 C. Iron oxide is charged into shaft furnace, rotary kiln, or fluidized beds in the form of pellet, iron ore lumps, or fines. The reduction takes place using gaseous reductants CO H ...

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Iron Sponge Process an overview ScienceDirect Topics

Iron Sponge Process an overview ScienceDirect Topics

James G. Speight Ph.D., D.Sc., in Natural Gas Second Edition, 2019 8.5.1 Iron sponge process. An example of a hydrogen sulfide scavenger process is the iron sponge process also called the dry box process, which is the oldest and still the most widely used batch process for sweetening of natural gas and natural gas liquids Anerousis and Whitman, 1984.

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Sponge Iron Prakash Industries Limited

Sponge Iron Prakash Industries Limited

Solid reduction process. Sponge iron is a highly processed form of iron ore which contains metallic iron in the range of 83-88 obtained by direct reduction without melting it. Due to high porosity, the resulting iron is called sponge iron. It is used as a raw material for manufacturing steel through electrical arc furnace and the induction ...

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Direct Reduced Iron and its Production Processes IspatGuru

Direct Reduced Iron and its Production Processes IspatGuru

Mar 16, 2013 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

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Types of Sponge Iron Technology Metal bureau

Types of Sponge Iron Technology Metal bureau

Rotary kiln and vertical kiln are used for producing sponge iron under this process. The saving of energy is high in comparison to other process. But the control mechanism is comparatively complex. The use of sponge iron for producing steel and foundry grade pig iron created new opportunities in the iron and steel sector.

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Sponge Iron DRI The Hira Group

Sponge Iron DRI The Hira Group

With such dimension of notion WE in our Sponge Iron Manufacturing process through 4 Kilns 1 350T and 3 500T laid up the best DRI making process in India. It is Coal Fuel based DRI. Coal based Sponge-iron is a metallic product produced through direct reduction of iron ore in the solid state .As such it is also known as Direct Reduced Iron ...

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tunnel kiln process sponge iron

tunnel kiln process sponge iron

tunnel kiln process sponge iron For each project scheme design, we will use professional knowledge to help you, carefully listen to your demands, respect your opinions, and use our professional teams and exert our greatest efforts to create a more suitable project scheme for you and realize the project investment value and profit more quickly.

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sponge iron by tunnel process in south africa

sponge iron by tunnel process in south africa

tunnel kiln process sponge iron in south africaBuy mills , Rotary Kiln Process of Making Sponge Iron C Process update , December 2006 Manufacturing of Brick 512 . ... Aug 30, 2016 tunnel kiln process sponge iron in , Gold basic sponge iron manufacturing process , Sponge dough process mixing operations with vertical . Get Price

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PDF i Direct Reduced Iron Production

PDF i Direct Reduced Iron Production

Mar 30, 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 the melting point are generally classified as DR ...

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sponge iron plant kiln cooler Preheater Spares Support

sponge iron plant kiln cooler Preheater Spares Support

Kiln Tyre manufacturing companies in india. Kiln Tyre Manufacturers, Kiln Tyre suppliers in india. Tyre for 500 TPD Sponge Iron Plant, KIln Tyre and Cooler Tyre used for Sponge Iron Plant 50 TPD, 100 TPD, 175 TPD, 350 TPD, 1000TPD Coal Mining DRI Plant etc.

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German Kiln Technology Technical ceramics

German Kiln Technology Technical ceramics

German Kiln Technology GKT is a major supplier of sintering lines and kilns for producing all kinds of technical ceramics, such as For the firing process GKT offers the most diverse selection of equipment, dependant on capacity and procedure, operating electrically or with fossil fuels

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DESIGN OF WASTE HEAT RECOVERY SYSTEM IN A

DESIGN OF WASTE HEAT RECOVERY SYSTEM IN A

in the sponge iron process. For this purpose a case study of typical sponge iron production process is considered. The waste gas from a sponge iron plant exits at a temperature of around 200-300 C. A lot of sensible heat is lost with these gases. This heat is utilized to preheat the air entering to kiln. Further, the waste gas at reduced ...

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Sponge Iron Industry SlideShare

Sponge Iron Industry SlideShare

Nov 17, 2012 Raw DRI Process materials, partly coal, iron ore, After Burn Flue gas Chamber fluxes enter the rotary kiln The remainder Rotary kiln coal in 2.5 Slo and 0.47 rp pe powdered form m sp e e d and hot air is charged Preheating Solid iron and zone or unburnt char,combustion zone lime is where coal is heated discharged Cooler discharge and product ...

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tunnel kiln process for sponge iron making

tunnel kiln process for sponge iron making

an energy survey is made on a sponge iron plant in order to identify the keywords sponge iron tunnel kiln energy e ciency exhaust pushing time district.17 feb 2012 a system and continuous process of manufacturing of sponge iron from iron of sponge iron from iron ore fines in a tunnel kiln

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Direct Reduction Process an overview ScienceDirect Topics

Direct Reduction Process an overview ScienceDirect Topics

The direct reduction processes in combination with the melting of directly reduced iron to produce steel in the EAF offer an alternative to the BF-BOF route. 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 ...

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VSK Cement Plants Vertical Shaft Kilns Kiln Shells

VSK Cement Plants Vertical Shaft Kilns Kiln Shells

Vertical Shaft amp Kiln shells. Cement kiln undisputedly forms the center stage of cement manufacturing process. The cement kiln is involved in the process of burning the raw mixture thereby resulting in the clinker. This clinker is then subjected to grinding to produce cement. In modern cement manufacturing plants, kiln make the most complex and ...

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iron manufacturing process I SOURCE DEFINITIONS

iron manufacturing process I SOURCE DEFINITIONS

Output of the production process, which does not meet quality requirements. Applicability This methodology applies to project activities that utilise waste heat released from furnaceskilns in a sponge iron manufacturing facility to pre-heat raw materials before feeding it into the furnaceskilns.

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Rotary Kiln Top Kiln Manufacture Of Rotary Kiln Cement

Rotary Kiln Top Kiln Manufacture Of Rotary Kiln Cement

AGICO - Leading rotary kiln supplier. AGICO group mainly focuses on major and medium series of rotary kiln products such as cement kiln, lime rotary kiln, shaft kiln, and sponge rotary kiln. Located in Anyang of China, AGICO owns a large heavy industrial factory, it has more than 100 pieces of equipment such as large and medium mental process ...

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Kilns at Best Price in India

Kilns at Best Price in India

Call 91-8048719196. Contact Supplier Request a quote. Rotary Kiln Calciner. 10 Lakh Unit Get Latest Price. A Rotary Kilns is a Direct Fired, Refractory Lined equipment for high temperature applications where it is necessary to change the state of the material in a continuous process or in batch type process.

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Process Flow Diagram Sponge Iron Plant

Process Flow Diagram Sponge Iron Plant

Process Flow Diagram Sponge Iron Plant randpic SPONGE IRON PLANT 2018-9-24 sponge iron, originating from Iron Ore, namely, silica and alumina and the sulphur and phosphorous contents adversely affect the economics in subsequent steel making operation. Therefore, the ore s

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Basai Steels Pvt Ltd

Basai Steels Pvt Ltd

SPONGE IRON MANUFACTURING PROCESS The reduction process is carried out in a rotary kiln which is inclined and rotates at a pre-determined range of speeds at a stipulated temperature 850oC 1050oC. The inclination amp the rotary motion of the kiln ensure that the raw materials move from feed-end to the discharge-end of the kiln and it is ...

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A Thesis Submitted for Partial Fulfillment of the

A Thesis Submitted for Partial Fulfillment of the

1.1 Image of a Sponge Iron Granule 2 1.2 Microscopic view of sponge iron 4 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 3.3 Schematic of optimised Rotary kiln sponge iron making process 21 4.1 Industrial view of Sponge Iron making Rotary Kiln 24

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Iron Manufacturing process related to the specified

Iron Manufacturing process related to the specified

Sponge iron powder . The H gan s process is a direct reduction method for production of sponge iron powder using magnetite ore Fe3O4 and carbon as raw materials. The reduction process takes place in a gas fired tunnel kiln at around 1200 C for 60 hours producing a sponge iron cake that is crushed, milled and

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Melting behaviour of sponge iron in

Melting behaviour of sponge iron in

Sponge iron used in these experiments was produced from two different processes namely, i coal based direct fired rotary kiln process at RDCIS SAIL, Ranchi, and ii Coal based indirectly fired vertical retort furnace process developed at NML Jamshedpur. The chemical and physical properties of these two sponge iron used are

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CASE STUDY ON THRESHOLD PROBLEM Sponge Iron

CASE STUDY ON THRESHOLD PROBLEM Sponge Iron

Sponge Iron Production Process Process description This is the case study of typical coal based sponge iron plant of 500 tonne per day capacity. The process flow diagram PFD of the sponge iron process is shown in Fig. 1. Different streams in the PFD are assigned individual number and henceforth each stream

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US3402225A Method of preparing vertical shaft kiln feed

US3402225A Method of preparing vertical shaft kiln feed

US3402225A US58500866A US3402225A US 3402225 A US3402225 A US 3402225A US 58500866 A US58500866 A US 58500866A US 3402225 A US3402225 A US 3402225A Authority US United States Prior art keywords kiln temperature portland cement clinkering feed Prior art date 1966-10-07 Legal status The legal status is an assumption and is not a legal

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Sponge Iron HIRA Godawari Power amp Ispat Limited

Sponge Iron HIRA Godawari Power amp Ispat Limited

With such dimension of notion WE in our Sponge Iron Manufacturing process through 4 Kilns 1 350T and 3 500T laid up the best DRI making process of India. It is Coal Fuel based DRI. Coal based Sponge-iron is a metallic product produced through direct reduction of iron ore in the solid state .As such it is also known as Direct Reduced Iron ...

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Misra Group Ceramics amp Sponge Iron Manufacturing DRI

Misra Group Ceramics amp Sponge Iron Manufacturing DRI

The pilot project that was setup for 0.1 million Tons P.A capacity under the guidance of Prof. G.G Roy Dept of Metallurgy IIT Khargapur, has been successful and has exceeded all the expectations with the technological breakthrough in the process of Iron ore reduction or Sponge iron manufacturing through a tunnel kiln instead of the conventional ...

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Rotary Kiln Maintenance Procedures

Rotary Kiln Maintenance Procedures

a straight kiln axis. Vertical misalignment in pursuit of optimum ovalities is preferable to a straight kiln axis with high ovalities. 2. The kiln axis is straight in the horizontal plane. 3. The support rollers thrust loads are very low, and all support rollers are in the downhill position. 4. There is light load on the downhill thrust roller ...

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Energy Audit Methodology of Sponge Iron Manufacturing

Energy Audit Methodology of Sponge Iron Manufacturing

Conducting complete energy audit both process and utility of a sponge iron unit is challenging as there is no laid down procedure to audit the process side. Further, the average heat to power ratio kWthkWe of sponge iron plants ranges from 251 to 311. This shows that the manufacturing process mostly uses thermal energy and application of electrical energy is

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Sponge Iron Gas Based Sponge Iron Manufacturer from

Sponge Iron Gas Based Sponge Iron Manufacturer from

This process utilizes natural gas the reducing agent. Natural gas is reformed to enrich with 112 and Co mixture and this enriched and reformed gas mixture is preheated in gas-based process. A vertical retort is used for the reduction of iron ore as against a rotary kiln in coal based sponge iron process.

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Coal Base DRI Operation Process Description and flow

Coal Base DRI Operation Process Description and flow

Aug 07, 2016 Sponge iron produced by the process will be the high grade which contains 80 Fe, 12 FeO and 8 gangue material. After separation of sponge iron in the magnetic screenpulley, the remains are collected as char. Char has good amount of fixed carbon 25 - 30 and moderate GCV 2500 - 2600 KcalKg.

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sponge iron from iron concentrate tunnel kilns

sponge iron from iron concentrate tunnel kilns

sponge iron from iron concentrate tunnel kilns PDF Production of Sponge Iron through Tunnel Kiln Process Production of Sponge Iron through Tunnel Kiln Process. were focused on investigating effects of reduction temperature and time on the reduction dynamics of Nb-bearing iron concentrate.

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