calculation of sponge iron recovery in induction furnace

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IS 15774 2007 Sponge Iron/Directed Reduced Iron DRI

Sponge Iron and Smelting Reduction Sectional Committee MTD 30 observed or calculated expressing the result of a test or analysis clause 1 line 3 Delete and induction furnaces MTD 30 Reprography Unit BIS New Delhi India AMENDMENT NO 2 NOVEMBER 2012 TO IS 15774 2007 SPONGE IRON/DIRECT REDUCED IRON

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sponge iron process May 2014

04 05 2014  M/s.Gallantt Metals Units Gorakhpur and Gujarat as well both are integrated steel plants since December 2010 uptil now WHRB power generation maximization system developed and running at 8.5 to 9 MW/hr in 350 tpd sponge iron plant Associated with their Induction Furnace also The extra power generated in 100 tpd plant with baghouse dust is 0.5 MW/hr.

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Time Frame it Takes to Melt 1000kg of Cast Iron on A

Time t = 0.8 hour x 60 minutes = 48 minutes Therefore 48 minutes take for melting 1000 kg of cast Iron 700 kW Power consumption is also depends on the manufacture of the furnace Below is power consumption for the Electroheat furnace for different metals For Cast Iron

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calculation of sponge iron recovery in induction furnace

30 12 2020  calculation of sponge iron recovery in induction f through induction melting furnace contributes about 31 of Indias total steel induction furnaces is steel scrap cast iron and sponge iron 3 Change in phosphorous distribution ratio as a function of FeO Separation and Recovery of RE and Mn From MN Rare Earth Mud in China 02 Stoichiometric

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Sponge Iron

The hot flue gases produced in the reactor during the process are used in Waste Heat Recovery Boilers to produce Steam This helps us in economizing our power generation costs Sponge iron is used as a raw material for making steel in electric arc furnaces and induction furnaces substituting and supplementing indigenous and imported scrap.

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ARTICLE Reducing Melt Loss and Dross Generation

23 02 2017  This article will focus on the causations of melt loss and dross generation based on two melting process types a side well melting furnace which has a side well outside the main furnace chamber where scrap is melted in a molten bath and a dry hearth or batch type melting furnace which is typically filled with solid charge and completely drained at the end of each cycle .

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OXYCUP Recycling waste

Fine grained iron containing substancesdusts sludges mill scale sponge iron or ore finesare transformed into high temperature resistant self reducing agglomerates These so called C bricks can be melted together with scrap or bear in a shaft furnace to pig iron in blast furnace quality.

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4 FURNACES

majority of the furnaces use liquid fuel gaseous fuel or electricity as energy input Melting furnaces for steel cast iron use electricity in induction and arc furnaces Non ferrous melting utilizes oil as fuel Oil Fired Furnace Furnace oil is the major fuel used in oil fired furnaces especially for reheating and heat treatment of materials.

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Improving Furnace Efficiency

08 01 2013  Ferrous steel cast iron melting furnaces such as induction and arc furnaces use electricity Non ferrous melting furnaces use oil 5 Oil Fired Furnaces Furnace oil is the major fuel used in reheating and heat treatment furnaces LDO is used in furnaces

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IS 13839 1993 Sponge Iron/DRI Fines/briquettes for

of sponge iron/DRt fines/briquettes for use in steel making in electric arc and induction furnaces and other steel making processes 1.2 For the purpose of this standard the sponge iron/DRI briquettes mean cold bonded sponge iron/DRI briquettes made from sponge iron/ DRI fines only.

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Air Pollution Control Device

Characteristics of Air Pollution Generated In Induction Furnace Pollutant Dust Dirt Metal Oxide Traces of NO x SO 2 CO CO 2 Concentration Average 600 800 mg/Nm 3 Max 1200 1400 mg/Nm 3 Temperature At Hood 250 300 o C At Bag House 80 120 o C Nature of Dust Non Sticky Non Abrasive and Non Explosive.

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An energy efficiency analysis of an industrial reheating

Iron and steel industry is one of the most energy consuming industries in the world exchange and heat recovery in the recuperating area were 86.66 and 47.76 in the reheating furnace and then the calculated values were compared with the values that obtained after the applications.

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3.2 Guideline for Energy Efficiency Improvement and

Iron and steel making plants include the following five types process flowchart of iron and steel production is shown in Figure 3.2.1 1 1 Integrated steel works where iron ores are processed to make pig iron by a blast furnace / COREX which is processed into steel and further into steel products such as steel sheets steel bars etc.

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Sponge Iron

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 800–1200 °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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Metallurgical Furnaces

Metallurgical Furnaces 1 MetallurgicalFurnaces For other industrial reactors and their applications see →Stirred Tanc and Loop Reactors →Tubular production of sponge iron is the SL/RN pro cess 40 139 illustratedinFigure6.Lump ore pellets titanomagnetite containing sea

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Thermodynamic calculation on the smelting slag of direct

01 03 2003  Thermodynamic calculation on the smelting slag of direct recycling of electric arc furnace stainless steelmaking dust was presented An induction furnace was used to simulate electric arc furnace smelting to recover the metals from the dust The elements of iron chromium and nickel in the ingot and the components of metal oxides in the slag were analyzed The thermodynamic

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Waste Heat Reduction and Recovery for Improving Furnace

Waste Heat Reduction and Recovery for Improving Furnace Efficiency Productivity and Emissions Performance high temperature furnace can attest to the huge amount of thermal energy beamed into the room Anywhere or anytime there is an opening in the furnace enclosure heat is

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CARBON RECOVERY FROM SPONGE IRON PLANT DUST

18 03 2013  CARBON RECOVERY FROM SPONGE IRON PLANT DUST reduces pollution and waste disposal expenses Calculated at Coal cost Rs.5000 MT Fly ash cost Rs 2500 MT Calculated at Coal cost Rs.5000 MT Fly ash cost Rs 2500 MT 1 USD = Rs Production of Direct Reduced Iron in Rotary Hearth Furnace Sateesh Kumar Corex Process

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Direct reduced iron process

21 06 2018  Direct reduced iron DRI process In addition to the process route via the blast furnace process there is another option for extracting crude steel from iron ores using the so called direct reduced iron DRI process secondary route .The starting point for the efforts to find an alternative to the blast furnace process was the relatively high process expenditure.

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MIDREX Processes

51 TECHNOLOGY REVIEW NO 29 DEC 2010 MIDREX process accounts for about 60 of global production Fig 2 shows the worldwide locations of MIDREX plants 2 MIDREX process Fig 3 is a flow chart for the MIDREX process Either lump ore or pellets prepared for direct

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MIDREX Processes

51 TECHNOLOGY REVIEW NO 29 DEC 2010 MIDREX process accounts for about 60 of global production Fig 2 shows the worldwide locations of MIDREX plants 2 MIDREX process Fig 3 is a flow chart for the MIDREX process Either lump ore or pellets prepared for direct

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DEPHOSPHORIZATION OF STEEL PRODUCED FROM SPONGE IRON

was produced using induction furnace The prime raw material for induction furnace is steel scrap sponge iron and cast iron The percentage of directly reduced iron in the burden differs from 10 to 95 percent depending on its inventory and monetary value of manufacturing Large

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WELCOME

Installed Capacity of Direct Reduced Iron i.e Sponge Iron 60 000 TPA Under Implementation Work in Progress S teel Ingots and Billets Induction Furnace 2 x 8 MT 57 600 TPA Captive Power Plant 6MW Waste Heat Recovery Based and 4 MW Coal based 10 MW Completion expected by September 2007

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Method for obtaining high purity ductile iron

In the process to obtain a liquid iron with controlled chemical analysis a converter of the type of Basic Oxygen Furnace or Q BOP is used for melting sponge iron which might have the following analysis typical 2 C 0.075 P 0.018 S 2.4 CaO 2.4 SiO 2 0.7 MgO 1.2 Al 2 O 3 16.6 FeO and the balance is metallic iron.

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SANVIJAY ROLLING ENGINEERING LTD

GIL has a setup of 4 x 100 TPD DRI Kilns for production of high grade Sponge Iron and 25 8 33 MW Captive Power Plant GRACE INDUSTRIES LITD is now a wholly owned subsidiary of Sanvijay Rolling Engineering Limited The brief highlights of GIL are as given below 33 MW Captive Power Plant having 25 MW through Thermal Generation 8 MW

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Calculation Of Sponge Iron Recovery In Induction Furnace

Recovery And Utilization Of Waste Heat In A Coal Based Recovery and utilization of waste heat in a coal based sponge iron process inherent in blast furnace and induction furnace process such as the scarcity of steel scraps in international markets depleting which sponge iron particles are preheated before entering the

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Charge Calculations in Pyrometallurgical Processes

Pig iron and cast iron were initially converted to wrought iron in hearths in ancient times then in puddling furnaces during 18th century In these processes the charge was heated to melting temperature by burning charcoal and oxidized by air Puddling process involves manually stirring the molten pig iron which decarburerizes the iron

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3.2 Guideline for Energy Efficiency Improvement and

Iron and steel making plants include the following five types process flowchart of iron and steel production is shown in Figure 3.2.1 1 1 Integrated steel works where iron ores are processed to make pig iron by a blast furnace / COREX which is processed into steel and further into steel products such as steel sheets steel bars etc.

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Sponge Iron

7.7.1 Iron Sponge Process The iron sponge absorption is the earliest sulfur removal process and remains one of the widely used processes today Iron sponge is very selective for H 2 S removal In this process the inlet gas is fed at the top of the fixed bed reactor filled with hydrated ferric oxide Fe 2 O 3 .

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Rungta Group

Aloke Steel Industries Pvt Ltd is the second Iron and steel plant setup by the RC Rungta group This project is to be set up as a Mini Integrated Steel Plant including Sponge Iron Induction furnaces 135 000 MT per annum Re Rolling Mills 90 000 MT per annum Slag Crushing Plant and Captive Power plant in Phases.

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Jeevaka Industries Private Limited Sponge Iron Division

Now it has been proposed to increase the production capacity of Sponge Iron plant from 300 TPD to 500 TPD along with Waste Heat Recovery based power plant of 10 MW capacity establishment of a Pellet Plant of 600 TPD capacity Establishment of 2 x 40 T induction furnaces to produce

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Selective oxidation of Vanadium prior to Iron and Phosphorus

kg induction furnace The target ratios V/Fe>1 and V/P>500 could then be reached in the 150 kg induction furnace tests with CO 2 as oxidant hence selective oxidation of vana dium prior to iron and phosphorus is possible Obtained ratios with the Al 2 O 3 based slag system were V/Fe = 1.4 and V/P = 1094 and in the SiO 2 based slag system V

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Energy and Environment Management in Iron Steel sector

Further replicated energy efficiency in steel re rolling mills and expanded the interventions to other SME Sector like induction furnaces The project is completed covering 321 mini steel mills inclusive of 5 Induction furnace units at an investment of 50 Crore from private sector against Rs 20 crore of funding from Ministry of Steel AusAid and UNDP.

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CMP ₹7

Nova Iron and Steel Limited is a manufacturer of Sponge Iron a metallic The company has already undertaken installation of Inductions Furnace 12 MW waste heat recovery based WHRB captive power plant for continuous power to Induction Furnace Installation of furnace will produce cost effective Sponge Iron.

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Study of carbon and silicon loss through oxidation in cast

Conventional furnaces for producing ductile iron are induction furnaces of different types electric arc furnace and cupola furnace Rotary furnace was developed and or modified for the production of cast iron in order to complement or in the absence of the conventional furnaces.

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INDUSTRIAL BY PRODUCTS MANAGEMENT DIVISION

Iron or Pooled Iron is ˜rstly charged into the furnace following which a hot metal bath is created Subsequently Sponge Iron is charged While charging Sponge Iron MRP Scrap which serves as a supplement is also charged In simpler terms MRP Scrap serves as a replacement for Sponge Iron in the charge mix depending

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