induction furnace cleaning of copper slag

دریافت یک نقل قول

ما

induction furnace cleaning of copper slag

Saving Electrical Energy in Coreless Induction Furnaces

The coreless induction furnace is essentially a refractory-lined vessel surrounded by an electrically energized, current-carrying, water-cooled copper coil. ... In a coreless induction furnace, slag residuals normally deposit along the refractory walls and within the active power coil. The composition of slag varies with the type of metal being ...

ادامه مطلب

en/114/induction furnace cleaning of copper slag.md at …

Packages. Host and manage packages

ادامه مطلب

Effects of fluxing conditions on copper smelting slag …

Keywords: slag cleaning, copper smelting slag, flux, EPMA analysis In the copper smelting process, more than two tons of slag is produced with each ton of copper. Copper losses in smelting slags are made up of chemically soluble copper (≈ 30%) and as mechanically entrained matter droplets (≈ 70%). This is the key technical concern for

ادامه مطلب

Granulated Blast Furnace Slag: Potential Sustainable Material …

Investigations were carried out on the suitability of granulated blast furnace slag as a mold material for either full or partial replacement of existing silica sand in the foundry industry. The sodium silicate-CO2 process was adopted for evaluating the same. A series of sand tests were performed on silica sand and slag individually and in …

ادامه مطلب

Recycled Smelter Slags for In Situ and Ex Situ Water and …

Slag, a byproduct of metallurgical smelting processes, is a mixture of metal oxides, silicon dioxide, and different compounds [1,2,3,4,5].It is produced from raw ore combustion or the extraction of specific minerals from smelting materials [1,5].Huge quantities of slags (1868.8 million tonnes of global steel production in 2019–2020) are …

ادامه مطلب

Cleaning of a copper matte smelting slag from a water-jacket furnace …

Cleaning experiments of a copper matte smelting slag from the water-jacket furnace was undertaken by direct reduction in a laboratory-scale electric furnace. The effects of coal-to-slag ratio, w, and the reduction time, t, were considered for two different coal/slag mixing procedures. In the first procedure, metallurgical coal was …

ادامه مطلب

Rectangular furnace design and revolutionary DC-slag …

Copper Slag cleaning furnaces are commonly connected to copper smelting units such as Teniente and Noranda converters and Outokumpu flash smelters. The main function of the furnace is the reduction of the copper level in the slag11. SMS Demag's furnaces are designed for a reduction of the

ادامه مطلب

Alternatives of Copper (I) Oxide Reduction in a Copper Slag …

Hence, the recent trends of copper smelting invariably lead to significant copper loss in slag, which needs to be recovered by means of reduction and settling in …

ادامه مطلب

Alternatives of Copper (I) Oxide Reduction in a Copper …

Using the developed computational model, we simulated copper (I) oxide reduc-tion from of the initial mass fraction of copper (I) oxide in the slag (e.g., 4 wt.%) down to …

ادامه مطلب

Modelling of copper (I) oxide reduction in a copper slag …

Figure 1: Tuyere and purging plug arrangements in a slag cleaning furnace that are considered in the study. Figure 2: (a) Capillary plug integrated into furnace lining.

ادامه مطلب

Recovery of valuable metals from copper slag

The copper smelting process produces plenty of copper slag every year, which is a hazardous solid waste, but a secondary resource. In the present study, the extraction of copper, nickel, and cobalt from copper slag was investigated through the process of sulfation roasting–water leaching and the process of sulfation …

ادامه مطلب

Development of Electric Furnace Slag Cleaning at a Secondary Copper

The use of an electric arc furnace for recovery of metal values from slag generated in a secondary copper smelter has been successfully demonstrated and commercialized. Blast furnace slag containing about 1.5% Cu, 1.0% Pb, 3.5% Zn, 1.0% Ni, 40% FeO and 1.0 opt Ag was retreated to recover better than 75% of the metal values. The addition of …

ادامه مطلب

Slag cleaning reactor for metal recovery in copper production

In the last 100 years, the submerged arc furnace has become one of the most diversified melting units used in metallurgy. These furnaces are used mainly in the steel, ferroalloy and chemical ...

ادامه مطلب

FLUXING OPTIONS IN THE DIRECT-TO-BLISTER COPPER …

Here, however, the slag still contains some percentage of copper and it is treated in a slag concentrator, where rest of the copper is recovered as a slag concentrate and fed back into the smelting furnace. In KCM's Nchanga smelter, the Flash Smelting fur - nace slag is first reduced in a slag-cleaning furnace to a degree, where iron content ...

ادامه مطلب

Density Tuning in Conjunction with Pelletizing of Reductants …

High-efficiency reduction of Fe3O4 particles in molten copper slag is the key for recovering slag-entrained copper, although restrained by the sluggish reaction kinetics of commercial powdery reductants with low density. ... Z3050 × 16/1; Shenyang, China) to a medium-frequency induction furnace. Wang et al. 24 used a high-temperature ...

ادامه مطلب

Generation, utilization, and environmental impact of ladle furnace slag …

Ladle furnace slag can be also used to activate olivine slag for preparing a geopolymer with low compressive strength (~20 MPa) (Adediran et al., 2023). Adding ladle furnace slag slightly increases the drying shrinkage, enhances the durability of the material, and improves its stability (Adediran et al., 2022).

ادامه مطلب

Process of Copper Slag Reduction in an Electric Furnace and …

Steinacker, S.R.; Antrekowitsch, J. Kinetic investigation of the electric furnace copper slag treatment. In Proceedings of the 7th International Symposium on High-Temperature Metallurgical Processing, Nashville, ... Kempken, J. Rectangular furnace design and revolutionary DC-slag cleaning technology for the PGM industry.

ادامه مطلب

Process of Copper Slag Reduction in an Electric Furnace and …

Steinacker, S.R.; Antrekowitsch, J. Kinetic investigation of the electric furnace copper slag treatment. In Proceedings of the 7th International Symposium on …

ادامه مطلب

Effect of the lining and smelting technologies on slag

Results are presented from studies of the reasons for the formation and growth of slag crusts in the crucibles of induction furnaces during the smelting of cast iron. It is established that crust formation and adhesion of slag to the furnace lining are caused by interaction of the lining material with reactants in the melt. The degree of slag …

ادامه مطلب

(PDF) Refractory Usage In Induction Melting & Holding Furnaces Copper …

A 3kg capacity Electric induction furnace with a power rating of 2500W for heat treatment of ferrous and non-ferrous alloys was developed. The furnace which is made from mild steel sheet was monolithically lined with fire clay refractories and designed to attain a temperature of 1200 0 C on the automatic control panel.

ادامه مطلب

Outotec Flash Smelting Technology

Outotec Slag Cleaning Slag cleaning at copper and nickel smelters is typically done using an electric furnace process. The design of Outotec slag cleaning furnaces is based on our extensive experience with different slag compositions and understanding of how to optimize the process for maximum recovery.

ادامه مطلب

Cupola Furnace Slag: Its Origin, Properties and Utilization

A cupola furnace is the most frequently used furnace aggregate for cast iron production. A by-product of the production of cast iron in cupola furnaces is cupola slag. Its amount is 40–80 kg per 1 tonne of the produced cast iron, and that is one of the reasons why this material is not as favoured as, for example, the blast-furnace slag. The …

ادامه مطلب

Modelling of copper (I) oxide reduction in a …

We showed that purging plugs, which may be installed at the deepest position in the furnace, create an improved gas flow pattern that results in a higher copper oxide reduction rate. 272. Tuyere ...

ادامه مطلب

Modelling of copper (I) oxide reduction in a copper slag …

The operations in slag-cleaning furnaces are improved by nitrogen purging through porous plugs, the main considerations being minimal metal losses to the slag (entrained …

ادامه مطلب

EFFICIENCY OF COPPER RECOVERY FROM A SLAG IN …

slag cleaning reactor. It creates the conditions that the furnace is over-dimensioned for the amount of slag from Teniente Converter together with charged solid reverts. Efficiency …

ادامه مطلب

Benefits of Using Induction Furnaces for Melting Copper

Induction furnaces have emerged as a game-changer in the realm of copper melting, offering a versatile and efficient solution for foundries.This article explores the advantages and benefits of using induction furnaces specifically designed for copper melting, shedding light on their power regimes, reliability, cleanliness, and energy efficiency.

ادامه مطلب

How to Recover Copper from Slag by Flotation

A comparison of the two tables shows no significant difference in results obtained from slags cooled in air or in the induction furnace. Recovery of copper in concentrates from slags cooled in the …

ادامه مطلب

Controlling Slag Defects, Insoluble Buildup in Melting and …

In addition to being used to keep ladles clean and free of slag buildup, incorporating 1-1.5 lbs. of flux has improved the inductor life of pressure-pour furnaces …

ادامه مطلب

Reclamation of Induction Furnace Slag by Separation of …

Reclamation of Induction Furnace Slag by Separation of Metal and Slag using Pulverizing System Mrunal V. Deshmukh Dr. A. G. Matani PG Student Associate Professor ... clean and well-controllable liquefying procedure contrasted with most different method for metal softening. Foundries utilize this kind of heater and now additionally more iron ...

ادامه مطلب

Control of Slag and Insoluble Build-up in Melting …

The areas of slag deposits are at a much lower temperature than the center of the furnace walls. Slag also is deposited in areas midway down the crucible lining, where insufficient metal turbulence from magnetic stirring occurs. Channel Furnaces: Another type of induction melting furnace is the channel furnace. The channel and the coreless ...

ادامه مطلب