process flow diagram of sponge iron plant

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(DRI) Direct Reduction Iron Plant Flowsheet Options

Jul 28, 2013· (DRI) Direct Reduction Iron Plant Flowsheet Options 1. DRI Plant Flowsheet Options By: Gerard B. Hawkins Managing Director, CEO 2. DRI Processes – Types using Steam Reforming HYL type flowsheets Midrex type flowsheets Lookalikes exist in each category 3. DRI Processes - HYL III Process Flowsheet 4.

STEEL MAKING: DRI ROUTE - VIABLE OPTION

The Advantages of Sponge Iron Use With growing scarcity of scrap, a replacement could be found in the form of DRI . Sponge iron uses non-coking coal, and iron ore fines - palletized form or directly. Compared to scrap, DRI is more consistent in composition, low trace elements and environment friendly while in use as metallic charge.

Proceedings of the World Congress on Engineering 2011 Vol ...

II. COAL BASED SPONGE IRON PLANT: A CONVENTIONAL PROCESS The process flow diagram of conventional coal based sponge iron plant is shown in Fig. 1. The operating data, shown in Fig. 1, is taken from a typical Indian coal based sponge iron plant where iron ore, feed coal and dolomite are fed to the rotary kiln. A separate conveyor collects

Detailed Project Report - Welcome to Environment

3.5 Project description with process details (a schematic diagram/ flow chart showing the project layout, components of the project etc.) 31 3.5.1 Manufacturing Process of Sponge Iron (DRI) 31 3.5.2 Manufacturing process of Pig Iron through Mini Blast Furnace 37 3.5.3 Process and Process Flow diagram of Iron

DESIGN OF WASTE HEAT RECOVERY SYSTEM IN A …

DESIGN OF WASTE HEAT RECOVERY SYSTEM IN A SPONGE ... in the sponge iron process. For this purpose a case study of typical sponge iron production ... 3.1 Flow Sheet of Typical Sponge Iron Plant 27 5.1 Modified Flow Sheet of SL/RN Process 36 5.2 Annual Cost- Diameter Curve 37 5.2 Annual Savings- Insulation Thickness 38 A.1 Net Expenses-Diameter ...

Direct reduced iron - Wikipedia

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.

Energy survey of the coal based sponge iron industry ...

The process flow diagram (PFD) of a conventional coal based sponge iron plant is shown in Fig. 1.Different streams in the PFD are assigned individual number and henceforth each stream will be referred through its respective number.

sponge iron process

Jul 29, 2010· 2.0 DESCRIPTION OF PROCESS: Flow chart of SL/RN process has been shown in fig. 1.Sized Iron Ore and Non Coking Coal along with Dolomite are fed continuously to the charge end of Rotary Kiln inclined at 2.5%. Coal is also injected through an Injection Pipe at the discharge end of Kiln.

The MIDREX Process - The world's most reliable and ...

ually innovating the world's most reliable and productive ® Direct Reduction Technology: The MIDREX® Process. The MIDREX® Process is unsurpassed in the Direct Reduction industry in terms of production and process flexibility to meet the constantly evolving nature of steelmakers and ore-based metallics providers.

Midrex© Process | Industrial Efficiency Technology & Measures

Midrex is direct reduction process using a shaft-reactor and is developed by Midrex/Kobe Steel. Iron ore pellets, lump iron ore or a combination of pellets and ore are reduced in a vertical shaft or reduction furnace to metallic iron by means of a reduction gas. The reducing gas is produced from a mixture of natural gas and recycled gas from the reduction furnace.

Natural Gas Processing - 1st Edition - Elsevier

Natural gas is considered the dominant worldwide bridge between fossil fuels of today and future resources of tomorrow. Thanks to the recent shale boom in North America, natural gas is in a surplus and quickly becoming a major international commodity.

flow diagram of sponge iron project

flow diagram of sponge iron project process flow diagram of sponge iron plant. flow diagram of sponge iron project - quarry machine and ENERGY INTEGRATION IN SPONGE IRON PLANT USING HEAT OF WASTE GAS A I, Live Chat】 Project Report on Billet Casting Induction Furnace Steel,

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 …

SPONGE IRON PLANT

PROCESS FLOW CHART FOR MANUFACTURE OF SPONGE IRON Raw Material Feeding at ground hopper (Coal, Ore) Coal Over Size Crushing Screening Coal Bin Iron Ore Bin Screening Crushing Sized Iron Ore Over Size Limestone Bin Screening of mixed end product (Sponge Iron and unburnt coal) Indirect cooling in rotary cooler with water spray

Beneficiation of Iron Ore - Mineral Processing & Metallurgy

Beneficiation of Iron Ore and the treatment of magnetic iron taconites, stage grinding and wet magnetic separation is standard practice. This also applies to iron ores of the non-magnetic type which after a reducing roast are amenable to magnetic separation. All such plants are large tonnage operations treating up to 50,000 tons per day and ...

SPONGE-IRON - shakambhariispat.com

Sponge Iron, also known as Direct Reduced Iron is produced from Hematite Iron ore (5 to 18 mm size) by removing the oxygen by direct reduction process using non coking coal as the fuel and reducing agent in Rotary Kiln. Sponge iron is rich in Metallic Iron (Pure Iron) with consistent chemical & …

ENERGY INTEGRATION IN SPONGE IRON PLANT USING …

In the present work a system is designed to integrate the heat of waste gas in the sponge iron process. For this purpose a case study of typical sponge iron production process is considered. Waste gas from the rotary kiln of the sponge iron plant exits at a temperature around 900 C.

Sponge iron making process - SlideShare

Nov 09, 2014· Making process iron ore to sponge iron. ... Sponge iron making process 1. ... SECONDARY AIR Secondary air is introduced axially in the direction of the gas flow The air supplied to the length of the kiln is metered for close control of temperature and gas atmosphere in the kiln Heating zone extends from 25% to 40% along length of the kiln and ...

Direct Reduction Process (MIDREX) | Middle East Steel Industry

Dec 01, 2008· The Midrex ™ Direct Reduction process is based upon a low pressure, moving bed shaft furnace where the reducing gas moves counter-current to the lump iron oxide ore or iron oxide pellet solids in the bed. The reducing gas (from 10-20% CO and 80-90% H2) isproduced fromnatural gasusing Midrex's CO2 reforming process and their proprietary…

FOR L - environmentclearance.nic.in

Project Coordination Ministry of Environment & Forests Dr. Nalini Bhat Advisor, Ministry of Environment and Forests Dr. T. Chandni Director, Ministry of Environment and Forests

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 800–1200 °C. Iron oxide is charged into shaft furnace, rotary kiln, or fluidized beds in the form of pellet, iron …

Sponge Iron Composition & Manufacturing Process - Lloyd's ...

Process. Sponge iron making is a process in which iron ore lumps (typically 5mm-18mm size) are tumbled with a 'select' grade of iron-coking coal little dolomite inside an inclined rotary kiln and control combusted in the presence of air for about 12 hours before the products are air cooled, magnetically separated, screened and size wise in ...

Iron and Steelmaking - vsb.cz

Iron and Steelmaking (Study Support) Prof. Ing. Jiří Bažan, CSc. Doc. Ing. Ján Kret, CSc. ... HBI (TN: Hot-Briquetted Iron), sponge iron. Brief History of Iron Production According to most historians, the first iron used by man was of meteoritic origin. It does ... Diagram of a blast furnace plant .

Sponge Iron Plant - entrepreneurindia.co

The sponge iron is a substitute for scrap in the electric arc furnace, which can be easily manufactured from indigenously available raw materials at very competitive price. It is the iron ore reduced in solid state by a direct reduction process using natural gas or non cooking coal as reluctant.

Iron ore pellets and Pelletizing processes – IspatGuru

Grate kiln process, Iron ore fines, iron ore pellets, Pelletization processes, Straight kiln process, Iron ore pellets and Pelletizing processes. Pelletizing is a process that involves mixing very finely ground particles of iron ore fines of size less than 200 mesh with additives like bentonite and then shaping them into oval/spherical lumps of ...

MIDREX Processes -

plants. 2. MIDREX process Fig. 3 is a flow chart for the MIDREX process. Either lump ore, or pellets prepared for direct reduction ironmaking, are charged as raw material from the top of a shaft furnace. The ore is reduced inside the furnace and the reduced iron is discharged from the bottom of the furnace. Reductant gas blown

Pig Iron Manufacturing Process

Table of ContentsElectric Furnace Production of Pig SteelMaking Pig Iron by Electric Furnace Regulation of CarbonPig Iron ImpuritiesLoss of Iron in the SlagAdaptability of the Process to Continuous OperationCost of Production of Pig IronPig Iron At the beginning of the use of the electric furnace, for the manufacture of calcium carbide and ferro-alloys, experimental work was conducted in it ...

Process Of Slag Crusher Plant In Sponge Iron Plant

Cost Of Crushing Slag 161 Views flow chart for slag crushing process Description. Get Price. slag crushing plant registration procedure lenguaglobal. Concrete crushing plant and iron ore slag processing 6 days ago Get More Info. Process Of Slag Crusher Plant In Sponge slag. ... sponge iron plant process china annapurnaenterprise.

Direct Reduced Iron and its Production Processes – IspatGuru

Mar 16, 2013· Fig 1 DRI process principle. Major DRI production processes are either gas based or coal based. Feed material in a DRI process is either iron ore sized to 10 to 30mm or iron ore pellets produced in an iron ore pellet plant. In the gas based plant the reactor, the reduction reaction takes place is a shaft furnace.

Case Studies in Thermal Engineering - researchgate.net

A survey is made on a typical coal based Indian sponge iron plant of capacity 500 t/d in ... Process description The process flow diagram (PFD) of a conventional coal based sponge ironplant is ...