• No results found

electric arc

Electromagnetism and the Arc Efficiency of Electric Arc Steel Melting Furnaces

Electromagnetism and the Arc Efficiency of Electric Arc Steel Melting Furnaces

... horizontal arc currents and deflecting electro- magnetic forces was given in Figure 5 Such three-phase electric arc furnace with independent arc currents (EAFIC) (Figure 5) differs from the ...

10

Factors influencing the diffusion of electric arc furnace steelmaking technology

Factors influencing the diffusion of electric arc furnace steelmaking technology

... of electric arc furnace technology does not imply that these factors are totally irrelevant to the adoption of the ...future electric arc furnace production ...

13

Modelling and state estimation of steelmaking in an electric arc furnace

Modelling and state estimation of steelmaking in an electric arc furnace

... Greenfield5 has argued a case for employing regression analysis to develop a linear multivariable model of the basic oxygen process. In particular it was found that the model parameters could be readily updated in the ...

173

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

... Zinc oxide was obtained with low cost from industrial waste (Electric Arc Furnace Dust). Then, photocatalytic compounds, W-K@ZnO, and Fe-K@ZnO obtain from mixing White Kaolinite (W-K) and iron riches ...

7

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) ...

14

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 ...

9

Compensation of Electric Arc Furnaces Based on LaGrange Minimization.

Compensation of Electric Arc Furnaces Based on LaGrange Minimization.

... the electric arc is a plasma, with an effective temperature of 5,000°C – 20,000°C (9,032°F – ...the arc. This is accomplished by control of the arc current and by careful positioning of the ...

201

Zn and Fe Recovery from Electric Arc Furnace Dusts

Zn and Fe Recovery from Electric Arc Furnace Dusts

... Steel production generates dust containing Zn and Fe that can be recovered under certain conditions. The main objectives of the study were to evaluate the recovery of these elements when added in briquette form to liquid ...

6

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

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 ...

24

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

... tric Arc Furnace (EAF) route, which uses high-current electric arcs to melt steel scrap and convert it into liquid steel of a specified chemical composition and tempera- ...of electric-arc ...

7

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 between the ...

9

Modelling arcing high impedances faults in relation to the physical processes in the electric arc

Modelling arcing high impedances faults in relation to the physical processes in the electric arc

... an electric arc based on laboratory ...the arc voltage. After that, the arc current decreases and becomes zero, ...the arc is extinguished. When extinction occurs, the arc ...

6

Microwave treatment of electric arc furnace dust with Tetrabromobisphenol A: Dielectric characterization and pyrolysis leaching

Microwave treatment of electric arc furnace dust with Tetrabromobisphenol A: Dielectric characterization and pyrolysis leaching

... 8 In the present work microwave treatment of electric arc furnace dust (EAFD) mixed with 9 tetrabromobisphenol A (TBBPA) was investigated. A range of characterization techniques were 10 used to understand ...

48

The thermal performance of water cooled panels in electric arc steelmaking furnaces

The thermal performance of water cooled panels in electric arc steelmaking furnaces

... There is considerable variation in the measured heat fluxes from cast to cast, both in their magnitude and their fluctuation during the cycle. This is mainly caused by the scrap, depending on the way it is packed, how it ...

294

Health status of male steel workers at an electric arc furnace (EAF) in Trentino, Italy

Health status of male steel workers at an electric arc furnace (EAF) in Trentino, Italy

... Exemption from health fees in the group of workers employed for more than one year was adopted as a sur- rogate for the prevalence of disease and compared to the rate observed in the Pro[r] ...

10

The production of acetylene in a high intensity electric arc

The production of acetylene in a high intensity electric arc

... For a constant coal feed, the yield and concentration increased with increasing hydrogen enthalpy and the energy requirement went through a minimum over the same range... At the hydrogen[r] ...

141

Thermal analysis on the pyrolysis of tetrabromobisphenol A (TBBPA) and Electric Arc Furnace Dust mixtures

Thermal analysis on the pyrolysis of tetrabromobisphenol A (TBBPA) and Electric Arc Furnace Dust mixtures

... Figure 4 Heat flow derivatives B for pure TBBPA, E-TBBPA1 and E-TBBPA3 mixtures obtained at a heating rate of 10 ⁰C/min DWL-Derivative weight loss, DHF-Derivative heat flow... Figure 5 G[r] ...

33

Physicochemical study of absorption of CO2 into electric arc furnace slag

Physicochemical study of absorption of CO2 into electric arc furnace slag

... Various attempts and actions have been made to ameliorate global warming, such as the improvement of the energy efficiency or energy saving of existing processes, the use of less carbon-[r] ...

42

Acetylene by electric arc : a report on the feasibility of producing acetylene gas by a high intensity arc process

Acetylene by electric arc : a report on the feasibility of producing acetylene gas by a high intensity arc process

... It has been shown that the high intensity arc process for the manufacture of acetylene from a solid feedstock can only be scaled up to a limited extent, and that the throughput of a reac[r] ...

172

Show all 7202 documents...

Related subjects