+86 0371 8654 9132

induction furnace cleaning of copper slag

Induction Furnace Cleaning Of Copper Slag - vdnw.ch

Nov 01, 2019 Copper slag cleaning in an electric furnace to decrease the copper content of slag is one of the critical processes in the copper smelting process. As shown in Fig. 2,the reduction of slag by WCO was realized in this reactor, through which copper or copper sulphide was collected in a metal/matte phase, and the cleaned slag was ...

Copper Smelting Slag Cleaning in an Electric Furnace by ...

2020-10-16 · Copper slag cleaning using the flotation method and/or in an electric furnace is widely adopted in industrial production.[2,3,4,5] The flotation method has the advantages of low energy consumption and low copper content in the slag, but the waste

Cleaning of a copper matte smelting slag from a water ...

2008-9-7 · 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 added to the ...

Cleaning of a copper matte smelting slag from a water ...

2009-5-30 · 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 added to the ...

MECHANISM OF BUILDUP FORMATION IN AN ELECTRIC

2015-9-7 · The copper slag cleaning in an electric furnace is based on slag reduction and settling of copper matte inclusions. Copper recovery depends on the slag temperature, degree of magnetite reduction and slag residence time. The formation of solid buildup on the furnace hearth leads to the decrease of furnace volume and slag residence time, affecting

EFFICIENCY OF COPPER RECOVERY FROM A SLAG IN

2015-9-7 · 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 of copper recovery from a slag in an electric furnace depends on number of factors. The furnace dimensions play significant role, determining slag circulation pattern

Improving Copper Recovery from Production Slags by ...

2013-10-14 · Keywords: slag cleaning, stirring mode, copper slag, submerged arc furnace, stirring reactor Abstract Slags resulting from pyrometallurgical copper processes are important by-products to be controlled in structure and composition. Due to the significant volumes of slag compared with those of the

Minimization of Copper Losses in Copper Smelting Slag ...

2012-9-21 · During the last few decades, the pyrometallurgical processes used for cleaning copper smelting slags have been steadily optimized. The electric furnace or rotary slag-cleaning furnace are now generally used to perform this task, giving a level of copper in discard slag typically in the range of 0.55 wt.% and 1.3 wt.%, with most plants reporting copper losses in the discard slag in the range of ...

A Study on Reduction of Copper Smelting Slag by Carbon

Copper smelting slag is a solution of molten oxides created during the copper smelting and refining process, and about 1.5 million tons of copper slag are generated annually in Korea. The oxides in copper smelting slag include ferrous (FeO), ferric oxide (Fe2O3), silica (SiO2 from flux), alumina (AI2O3), calcia (CaO) and magnesia (MgO). The main oxides in copper slag, which are iron oxide and ...

20 questions with answers in INDUCTION FURNACE |

2021-6-4 · We have an induction furnace, which has a copper coil of inner dia. 2.5mm an outer dia. 5mm. Water flows through the coil. Due to using for a long time, the copper coil has rusted inside.

Cleaning of a copper matte smelting slag from a water ...

2008-9-7 · 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 added to the ...

Cleaning of a copper matte smelting slag from a water ...

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 added to the molten slag, whereas in the second procedure, coal...

Cleaning of a copper matte smelting slag from a water ...

2009-5-30 · 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 added to the ...

Copper Smelting - Metallurgist & Mineral Processing

2021-1-13 · Slag formed in the smelting and converting reactions flows to the slag well. Slag cleaning occurs as a result of contact with lower grade matte in passing through zone 1, by the roast reaction of copper sulfide and copper oxides by the reduction of copper oxide by sulfur and ferrous sulfide, and by the reduction of magnetite.

Heavy Metal Recovery from Slags of Copper Production

2021-8-17 · Furthermore arc furnaces can be used for cleaning of copper slag, which are pro-ducts of the Noranda or Teniente converters. In general the slag product still contains 0.5–1 wt.% of copper and is taken out by a separate tap hole (in Figure 2 at the right-side). The remaining copper content in the slag is determined by the portion of matte,

Reduction of Magnetite from Copper Smelting Slag

The copper smelting slag reduction experiments were carried out in a slag cleaning electric furnace as shown in Fig. 1. Six electrodes were settled in the upper zone of the electric furnace. As the reducing agents, petro-diesel or biodiesel was sprayed into the copper smelting slag layer with nitrogen through the spray guns settled in two ends of

A Study on Reduction of Copper Smelting Slag by Carbon

Copper smelting slag is a solution of molten oxides created during the copper smelting and refining process, and about 1.5 million tons of copper slag are generated annually in Korea. The oxides in copper smelting slag include ferrous (FeO), ferric oxide (Fe2O3), silica (SiO2 from flux), alumina (AI2O3), calcia (CaO) and magnesia (MgO). The main oxides in copper slag, which are iron oxide and ...

Copper Loss in Slag - ResearchGate

An innovative method was devised to improve copper recovery and operational efficiency of the Cu converter slag-cleaning furnace, by utilising both carbon and fluoride values of an otherwise ...

INDUCTION FURNACES - Marx GmbH

Compact furnace plants. Alloy: Iron and non-ferrous metals; Power unit: MF (transistor technology/IGBT) Capacity: up to 3t; Our compact furnaces and small crucible furnace systems stand out for their compact design with a capacity of up to 3 tons. They are designed for iron, steel or copper and their alloys.

20 questions with answers in INDUCTION FURNACE |

2021-6-4 · We have an induction furnace, which has a copper coil of inner dia. 2.5mm an outer dia. 5mm. Water flows through the coil. Due to using for a long time, the copper coil has rusted inside.

Cleaning of a copper matte smelting slag from a water ...

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 added to the molten slag, whereas in the second procedure, coal...

Control of Slag and Insoluble Buildup in Ladles, Melting ...

2020-5-14 · Figure 1: Typical slag buildup in a coreless induction furnace (gray shaded areas) The hottest area of medium and high frequency coreless furnaces is at the mid-point of the power coil. All areas of slag deposit will be at a much lower temperature than those occurring at the center of the coil.

How to clean copper slags « Slag

2021-7-15 · How to clean copper slags. 1. How to dispose of copper slagging articles 1.1 What is copper slaging? 1.2 How to remove copper slagged articles 1, 2. Slag removal procedure article 2. Removal of copper-slag article 3. Slagging of slag article 4. How copper slaggery is carried out in India article 5. Slager dental procedure article 6.

Copper Loss in Slag - ResearchGate

An innovative method was devised to improve copper recovery and operational efficiency of the Cu converter slag-cleaning furnace, by utilising both carbon and fluoride values of an otherwise ...

Slag-cleaning furnace - Mining Weekly

2001-9-7 · Slag-cleaning furnace. Anglo Platinum's Waterval smelter is to be enlarged with the addition by mid-2002 of a 30MVA slag-cleaning furnace to initially treat slag from the Pierce-Smith converters ...

RESEARCH ON THE REDUCTION OF COOPER SLAG

perties of flash smelting slags on copper losses during slag cleaning in an electrical furnace. Archives of Metallurgy 32 (1987) 3, 307-319. [10] S. Zhou, Y. Wei, S. Zhang, N. Li, H.Wang, Y. Yang, M. Baratic. Reduction of copper smelting slag using waste co-oking oil. Journal of

Minimization of Copper Losses in Copper Smelting Slag ...

The electric furnace or rotary slag-cleaning furnace are now generally used to perform this task, giving a level of copper in discard slag typically in the range of 0.55 wt.% and 1.3 wt.%, with most plants reporting copper losses in the discard slag in the range of 0.81.0 wt.%.

MICROSTRUCTURE CHARACTERISATION OF FREEZE

2015-2-2 · lining microstructure forming on water cooled steel surface in a high-silica, slag cleaning furnace slag of a direct-to-blister copper smelter is mostly glassy or amorphous. It contains 5-30 µm magnetite crystals, very small and larger copper droplets as well as small magnetite and silicate nuclei embedded in the glassy silica-rich matrix.

Small Induction Furnace for Iron/Steel/Copper/Brass ...

2021-10-9 · The gold melting furnace is designed for melting 1g – 10kg metal. It is also suitable to melt other precious metals like silver, copper, palladium. The induction metal melting furnace is based on the latest and most advanced IGBT induction technology.

20 questions with answers in INDUCTION FURNACE |

2021-6-4 · We have an induction furnace, which has a copper coil of inner dia. 2.5mm an outer dia. 5mm. Water flows through the coil. Due to using for a long time, the copper coil has rusted inside.