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tata direct reduction process ppt

Steps in the Modern Steelmaking Process

21-08-2020· The Modern Steel Production Process . Methods for manufacturing steel have evolved significantly since industrial production began in the late 19th century. Modern methods, however, are still based on the same premise as the original Bessemer Process, which .

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The reduction clearing of dyed polyester. Part 1: .

01-01-2008· When the reduction clearing process was devised in the mid1950s, polyester was commonly dyed using carriers at 98 °C and the disperse dyes in use at the time had a propensity to aggregate and deposit on the fibre surface.Although nowadays, carriers are little used, high temperature (130 °C) dyeing of polyester predominates and disperse dyes display excellent dispersion character, reduction ...

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Metal casting processes - Indian Institute of Technology ...

finish. Some of these processes are die casting process, investment casting process, vacuum-sealed moulding process, and shell moulding process. • Metal casting is a labour intensive process • Automation: a question NPTEL course on Manufacturing processes – I, Pradeep Kumar et al.

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HIsarna ironmaking process - Wikipedia

The HIsarna ironmaking process is a direct reduced iron process for iron making in which iron ore is processed almost directly into liquid iron or hot metal.The process combines two process units, the Cyclone Converter Furnace (CCF) for ore melting and pre-reduction and a Smelting Reduction Vessel (SRV) where the final reduction stage to liquid iron takes place.

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Values and Purpose | Tata group

These values continue to direct the growth and business of Tata companies. The five core Tata values underpinning the way we do business are: Integrity. We will be fair, honest, transparent and ethical in our conduct; everything we do must stand the test of public scrutiny.

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More for less: Five steps to strategic cost reduction

More for less: Five steps to strategic cost reduction | PwC 5 Rethinking strategy and cost Delivering strategic change and putting in place the operational capabilities needed to deliver it have always been difficult. Yet, we now have both the compelling drivers and the practical means to make strategic cost reduction

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OVERVIEW OF THE STEELMAKING PROCESS

Direct reduction Scrap Ladle (Refining) Electric arc furnace (Steelmaking) Iron Ore Pellets Electric Arc Furnace Steelmaking Continuous casting Design by Blisscommunication / Cover photo: ThyssenKrupp Steel / Tubes photo: Salzgitter The process shown above is illustrative only and is not designed to show the steelmaking process in detail.

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Resources Trend and Use of Direct Reduced Iron in ...

3. Direct Reduction Technology 3.1 Kobe Steel's natural-gas-based DR process Fig. 7depicts the flow of the MIDREX process.8) Either pellets or ore lumps are charged into a shaft furnace from the furnace top, reduced inside the furnace and discharged from the bottom as .

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Values and Purpose | Tata group

These values continue to direct the growth and business of Tata companies. The five core Tata values underpinning the way we do business are: Integrity. We will be fair, honest, transparent and ethical in our conduct; everything we do must stand the test of public scrutiny.

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Why Process Standardization Improves Quality, .

The following is a guest post by professional copywriter and freelance writer Michael Schultheiss, owner of Inkwell Freelance. Imagine if your support staff had no set guidelines for handling a ticket. It would be like you pulled in a group of random people from the street, sat them down at the helpdesk, and expected to see a job well done. Instead of a job well done, it'd probably look more ...

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How To Reduce Production Costs In A .

2. Reduce Direct Material Cost. Direct material cost constitutes a substantial portion of the total manufacturing costs. There are a number of techniques to control the direct material cost. Let me share a few: Invite quotations from as many suppliers as possible; Consider signing a long-term contract with the shortlisted supplier.

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Direct reduced iron - Wikipedia

Process. Direct reduction processes can be divided roughly into two categories: gas-based, and coal-based. In both cases, the objective of the process is to drive off the oxygen contained in various forms of iron ore (sized ore, concentrates, pellets, mill scale, furnace dust, etc.), in order to convert the ore to metallic iron, without melting it (below 1,200 °C (2,190 °F)).

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Kaizen Improvement Event (K-188) in an Automotive Industry ...

process Kanban store to be done 10 40 50 Material Handling Improvement Packing Imp. & Racks to be made 0 10 40 20 70% Plastic bin & Racks to be made Customer complaint reduction 50% reduction Will be monitored in Dec. 07 Space reduction Space Reduced (Sq. m.) 30% 0 10 30 20

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How Aluminium is Made - Tiwai Point

of the fluoride gases from process emissions. 7 Chemical reduction of alumina to aluminium takes place in individual reduction cells connected in an electrical circuit. The smelter has four reduction lines. Reduction Lines 1, 2 & 3 are housed in buildings 600 metres long and all contain 208 reduction cells. Lines 1, 2 & 3 are Kaiser P69 technology.

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Operation and supply chain management on Tata .

Figure 7: manufacturing Plant of Tata Motors. The manufacturing process of Tata Motors based on 5 shops such as, Machine shop (Transaxle) where Exhaust manifold, Intake manifold, gear box casting, gear are produced in machine shop. Heat treatment is also done for gears and other parts. This plant is equipped with latest CNC machines.

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More for less: Five steps to strategic cost reduction

More for less: Five steps to strategic cost reduction | PwC 5 Rethinking strategy and cost Delivering strategic change and putting in place the operational capabilities needed to deliver it have always been difficult. Yet, we now have both the compelling drivers and the practical means to make strategic cost reduction

Get Price

MIDREX Processes -

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 reduction ironmaking, are charged as raw material from the top of a shaft furnace. The ore is reduced

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3A3. Direct Iron Ore Smelting Reduction Process (DIOS)

3A3. Direct Iron Ore Smelting Reduction Process (DIOS) Technology Overview˜ ˜ 1) Core technology study (FY1988-FY1990) Core technologies necessary for the construction of the pilot plant were established. These core technologies include an increase in the thermal efficiency of a smelting reduction furnace

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Chapter 1 Introduction to Process Optimization

process design, process control, model development, process identification, and real-time optimization. The chapter provides an overall description of optimization problem classes with a focus on problems with continuous variables. It then describes where these problems arise in chemical engineering, along with illustrative examples.

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Kaizen Improvement Event (K-188) in an Automotive Industry ...

process Kanban store to be done 10 40 50 Material Handling Improvement Packing Imp. & Racks to be made 0 10 40 20 70% Plastic bin & Racks to be made Customer complaint reduction 50% reduction Will be monitored in Dec. 07 Space reduction Space Reduced (Sq. m.) 30% 0 10 30 20

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Sulphur removal in ironmaking and oxygen steelmaking

BF-BOF steelmaking process comes from coke. Even though roughly 40% of the sulphur in coal is removed in the coking process, typical sulphur levels in coke remain around 0.5%. Iron ore contains typically 0.01% sulphur and is only a minor source of sulphur in the steelmaking process [2,8]. In the BF-BOF process there are four process steps where

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Direct Reduced Iron |authorSTREAM

Direct Reduced Iron - authorSTREAM Presentation. PowerPoint Presentation: DESCRIPTION OF KILN:- The kiln has been designed based on certain L/D ratio, percentage degree of inclination, rpm etc. Kiln has a length of 70.8 m and a shell diameter of 4.2 meter. the kiln has inclination of 2.5%,rests on four support stations . iron–ore dolomite and about 43-45% coal of the total coal charged into ...

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tata motors - LinkedIn SlideShare

Tata Steel, which acquired British company Corus in 2007, meanwhile, files around 50 patents each year. Jaguar Land Rover has re-hauled its supply chain to secure cost savings as well as a sustainability equation that gives the company a green edge A re-designing of process equipment at Tata Chemicals' Haldia plant that cut process downtime by 40%.

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How To Reduce Production Costs In A .

2. Reduce Direct Material Cost. Direct material cost constitutes a substantial portion of the total manufacturing costs. There are a number of techniques to control the direct material cost. Let me share a few: Invite quotations from as many suppliers as possible; Consider signing a long-term contract with the shortlisted supplier.

Get Price

Direct Reduced Iron (DRI) Production Plant

Direct Reduced Iron (DRI) Production Plant NIPPON STEEL ENGINEERING CO., LTD. Basic Concept or Summary S-16 u A direct reduced iron (DRI) production plant is a shaft reduction furnace to produce DRI with large metal iron content by directly reducing iron ore (or iron ore pellets) with reducing gases.

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MIDREX Processes -

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 reduction ironmaking, are charged as raw material from the top of a shaft furnace. The ore is reduced

Get Price

Operation and supply chain management on Tata .

Figure 7: manufacturing Plant of Tata Motors. The manufacturing process of Tata Motors based on 5 shops such as, Machine shop (Transaxle) where Exhaust manifold, Intake manifold, gear box casting, gear are produced in machine shop. Heat treatment is also done for gears and other parts. This plant is equipped with latest CNC machines.

Get Price

Sulphur removal in ironmaking and oxygen steelmaking

BF-BOF steelmaking process comes from coke. Even though roughly 40% of the sulphur in coal is removed in the coking process, typical sulphur levels in coke remain around 0.5%. Iron ore contains typically 0.01% sulphur and is only a minor source of sulphur in the steelmaking process [2,8]. In the BF-BOF process there are four process steps where

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sponge iron process

IS 11093: 1991 Iron ore lumps for direct reduction process. IS 11284: 1985 Rotary tube test for iron bearing materials for the manufacture of sponge iron/direct reduced iron(DRI). IS 1285 : 1985 Various tests on raw materials to be used for coal based rotary kiln direct reduction.

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3A3. Direct Iron Ore Smelting Reduction Process (DIOS)

3A3. Direct Iron Ore Smelting Reduction Process (DIOS) Technology Overview˜ ˜ 1) Core technology study (FY1988-FY1990) Core technologies necessary for the construction of the pilot plant were established. These core technologies include an increase in the thermal efficiency of a smelting reduction furnace

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