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Electric Arc Furnaces

Compensation of Electric Arc Furnaces Based on LaGrange Minimization.

Compensation of Electric Arc Furnaces Based on LaGrange Minimization.

... of the arc. The electrode temperatures can be quite high, with 1,500°C being fairly typical. [9] The basic purpose of an EAF is simple, to melt the charge so that metallurgical modifications may be made to the ...

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IMPROVEMENT OF VOLTAGE QUALITY IN INDUSTRIAL DISTRIBUTION SYSTEMS.

IMPROVEMENT OF VOLTAGE QUALITY IN INDUSTRIAL DISTRIBUTION SYSTEMS.

... In industrial distribution systems power quality is frequently influence by nonlinear loads. One of the most frequent phenomena is flicker effect, which exceed the permissible levels. Flicker effect in distribution ...

7

A Slacks based Measure of Efficiency of Electric Arc Furnace Activity with Undesirable Outputs

A Slacks based Measure of Efficiency of Electric Arc Furnace Activity with Undesirable Outputs

... take electric arc furnace (EAF) smelting activity efficiency analysis of iron and steel enterprise as ...the electric arc furnace (scrap, ferrous alloys, iron slurry) are melted predominantly ...

7

Factors influencing the diffusion of electric arc furnace steelmaking technology

Factors influencing the diffusion of electric arc furnace steelmaking technology

... the electric arc furnace, which uses steel scrap and electricity as the major ...by electric arc ...the electric arc furnace has important implications for the demand for raw ...

13

Harmonic Contribution Analysis of Electric Arc Furnace by Using Spectrogram

Harmonic Contribution Analysis of Electric Arc Furnace by Using Spectrogram

... Presently electric arc furnace (EAF) is extensively used in iron and steel industry due to the increase in demand for iron such as in the vehicle ...industry.[1]. Electric arc furnace is used ...

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Modelling and Artificial Intelligence Based Control of Electrode System for an Electric    Arc Furnace

Modelling and Artificial Intelligence Based Control of Electrode System for an Electric Arc Furnace

... Electric arc furnaces are used to produce steel by melting scrap together with some other raw materials using an electrical supply as the main energy input ...current electric arcs drawn ...

9

Concrete Properties Comparison When Substituting a 25% Cement with Slag from Different Provenances

Concrete Properties Comparison When Substituting a 25% Cement with Slag from Different Provenances

... slag: electric arc furnace (EAF) and Ladle furnace basic salg (LFS) ...[23]. Electric arc furnace (EAF) slag is a strong, dense, none porous aggregate that is cubical in shape, has good ...

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Evaluation of High-Voltage Circuit Breaker Performance with Modified Schavemaker Arc Model

Evaluation of High-Voltage Circuit Breaker Performance with Modified Schavemaker Arc Model

... vacuum arc not to extinguish. Directly after contact separation, when the arc ignites, evaporation of contact material is the main source of charged ...

6

Optimization of Process Parameters of MIG Welding to Improve Tensile Strength of Fe 415 Mild Steel

Optimization of Process Parameters of MIG Welding to Improve Tensile Strength of Fe 415 Mild Steel

... particles arc is developed. To use the heat of electric arc for welding purpose it is necessary that after the ignition of the arc it must be maintained and ...

6

Gaseous Elemental Mercury and Total and Leached Mercury in Building Materials from the Former Hg-Mining Area of Abbadia San Salvatore (Central Italy)

Gaseous Elemental Mercury and Total and Leached Mercury in Building Materials from the Former Hg-Mining Area of Abbadia San Salvatore (Central Italy)

... Figure 1. Location of the Hg-mining district of Abbadia San Salvatore (central Italy) and subdivision into 7 units according to the expected different concentrations of mercury present as both GEM and total and leached ...

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A plasma vortex revisited: The importance of including ionospheric conductivity measurements

A plasma vortex revisited: The importance of including ionospheric conductivity measurements

... and electric fields and the Scandinavian Magnetometer Array (SMA) [Ku¨ppers et ...the electric field, over a section of the auroral oval at those locations where the ionospheric elec- tric field exceeds a ...

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Analysis of Electrical Characteristics of Inter-wire Arc in Cross-Coupling Arc

Analysis of Electrical Characteristics of Inter-wire Arc in Cross-Coupling Arc

... plasma arc current, the arc energy increases, the electrons have more excitation energy at the tip of the probes, and it becomes easier for them to escape from the probe ...plasma arc increases. ...

9

Kinetics of the Volatilization Removal of Lead in Electric Arc Furnace Dust

Kinetics of the Volatilization Removal of Lead in Electric Arc Furnace Dust

... in electric arc furnace (EAF) by recycling iron scraps is more attractive than the traditional integrated processes in terms of resource conservation and lower capital investment, the amount of EAF dust ...

6

Zn and Fe Recovery from Electric Arc Furnace Dusts

Zn and Fe Recovery from Electric Arc Furnace Dusts

... Basically, there are two main routes in steel production. Nowadays, the first and most applied one is the use of Basic Oxygen Furnace (BOF), which, back in 2008, corresponded to approximately 67.1 % of steel production. ...

6

Monitoring of Article 95 ECSC steel aid cases. Fifteenth report, May 2001. Report from the Commission. COM (2001) 232 final, 2 May 2001

Monitoring of Article 95 ECSC steel aid cases. Fifteenth report, May 2001. Report from the Commission. COM (2001) 232 final, 2 May 2001

... The following conditions are still monitored by the Commission : replacement of the blast furnace at Seixal by an electric arc furnace outstanding, total workforce to be reduced by 1798 [r] ...

17

Preparation of cost effective photodegradation catalyst based on zinc oxide derived from electric arc furnace dust and kaolinite

Preparation of cost effective photodegradation catalyst based on zinc oxide derived from electric arc furnace dust and kaolinite

... Electric Arc Furnace Dust (EAFD) is generally produced from steelmaking with high amount. Also, the overall increment production of steel leads to dispose of the high amount of EAFD as waste, where 20 kg of ...

7

Monitoring of Article 95 ECSC steel aid cases. Thirteenth report, May 2000. Report from the Commission. COM (2000) 261 final, 3 May 2000

Monitoring of Article 95 ECSC steel aid cases. Thirteenth report, May 2000. Report from the Commission. COM (2000) 261 final, 3 May 2000

... The following conditions are still monitored by the Commission : replacement of the blast furnace at Seixal by an electric arc furnace outstanding, total workforce to be reduced by l 798[r] ...

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Monitoring of Article 95 ECSC steel aid cases. Fourteenth report, October 2000. Report from the Commission. COM (2000) 685 final, 31 October 2000

Monitoring of Article 95 ECSC steel aid cases. Fourteenth report, October 2000. Report from the Commission. COM (2000) 685 final, 31 October 2000

... The following conditions are still monitored by the Commission: replacement of the blast furnace at Seixal by an electric arc furnace outstanding, total workforce to be reduced by 1 798 [r] ...

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The Utilization of Concrete Residue with Electric Arc Furnace Slag in the Production of Geopolymer Bricks

The Utilization of Concrete Residue with Electric Arc Furnace Slag in the Production of Geopolymer Bricks

... Abstract. The purpose of this study was to investigate the ratio of concrete residue (CR) and electric arc furnace slag (EAF) for the production of facing brick according to Thai Industrial Standard (TIS) ...

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Ergonomic Workstation Design: A Study On Electric Arc Welding Operation In UTeM Workshop

Ergonomic Workstation Design: A Study On Electric Arc Welding Operation In UTeM Workshop

... In providing a better workstation to welders (staffs and students) in term of elimination or reducing occupational diseases, it is necessary to adopt engineering redesign approach. From here, the introduction of ...

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