used equipment dc arc furnace

electric arc furnace used machine for sale

Frequency converter FR-A540-11K-EC, Mitsubishi, 11 KW, used Incl. Current filter FFR-540/520-50A-SF100 Manufacturer: Mitsubishi Electric Type: FR-A540-11K-EC Technical data: 11 KW Input: 3PH AC380-480V 50 / 60Hz Output: 3PH AC380-480V 0.2 - 400Hz excluding control panel including current filter FFR-540/520-50A-SF100 We still have several identical and other such devices, but the amount …

Direct Electric Arc Furnace Working & Indirect Arc Furnace ...

 · The furnace may be equipped with automatic rocking equipment. The power factor varies from 0.7 to 0.8. The electrode material and electrical equipment of indirect-arc furnace are similar to that used for direct arc furnace. Graphite electrode specifications, arc furnace model matching Ac steelmaking arc furnace

DC ARC FURNACES – PAST, PRESENT, AND FUTURE

DC Arc Furnace by Sir William Siemens The idea behind the (direct current) DC arc furnace has been around for a very long time. Its use for the bulk melting of metals dates back at least to 1878, when Sir William Siemens used a DC arc furnace with a vertical graphite cathode, with the arc transferred to the melt in contact with a

Industrial Furnace Transformer

 · DC arc furnaces are used, with a single electrode in the roof and the current return through a conductive bottom lining or conductive pins in the base. The advantage of DC is lower electrode consumption per ton of steel produced, since only one electrode is used, as well as less electrical harmonics and other similar problems.

DC ARC FURNACE MODELLING FOR POWER QUALITY …

Keywords: voltage flicker, dc arc furnace, power quality 1. Introduction The dc arc furnaces are supplied from the power system through various ac-dc conversion topologies. The main advantage of the dc arc furnaces with respect to the ac arc furnaces is …

Keech Furnace Technologies

We are market leaders in design, production and servicing of electric arc furnaces (EAF). Over the last 38 years, KFT has gained the experience of designing and manufacturing more than 142 furnace units across 5 continents. Customers can rest assured of the highest quality of equipment…

Low cost ferroalloy extraction in DC-arc T furnace at ...

MW DC-arc furnace with a DC power supply for the smelting of Transvaal chromite ore fines. With the benefit of 12 years'' experience with this technology while operating a 44 MW DC-arc furnace, MFC mitigated all known challenges and considered up-scaling risk in the new plant, which had a rapid ramp-up to full power in Q2 of 2009.

Used Equipment Listings: US South Region

Red-D-Arc rental equipment by process All Rental Equipment; Sales and Services. Rental. Rent from Red-D-Arc, the welder rental specialists ... E500 Welder w/120VAC DC Stick Electric: K1286-24: Call for availability and pricing: Lincoln Electric: ... 30"x32" Induction Furnace: IHS FURNACE: Call for availability and pricing: Pyro Shield, Inc. 36 ...

Used Equipment

China Xi''an Abundance Electric Technology Co.,Ltd is a professional manufacturer of kinds of metallurgy equipments: Electric Arc Furnace( EAF), Scrap Continuous Preheating Equipment, Submerged Arc Furnace ( SAF), Ladle Refining Furnace (LF, LRF), Basic Oxygen Furnace (BOF), AOD, VOD /VD furnace and etc for steel industry and Ferro alloy Industry.

dc arc furnace

"dc arc furnace" – 8。

Electric Arc Furnace (aka Carbon Arc Furnace)

An Electric Arc Furnace (EAF), aka Carbon Arc Furnace (CAF), melts metal with an arc between movable carbon electrodes and the charge metal in a conductive crucible. Most EAF articles and videos I have seen describe three-phase megawatt-scale equipment used at recycling plants. These industrial-size EAFs use three carbon electrodes and special ...

Electric Arc Furnace Design, manufacture, Install "Turn ...

We provide Electric arc furnace designing, manufacturing, installation, and commission of the equipment with "turn-key" service. ELectric arc furnace is using electricity as the fuel source, and utilizes the arc high temperature produced by electrode and furnace charge to heat and melts the furnace …

Foundry Furnaces

foundry furnaces AAP Foundry Equipments sell rebuilted and used foundry furnaces and accessories such as induction furnace, crucible furnace, ladle furnace, pyrolytic oven, burn off oven, induction power supply, holding furnace, vacuum induction furnace, gas furnace, melting furnace, mifco furnace, natural gas furnace.

DC Electric Arc Furnace – IspatGuru

 · The development of DC arc furnace technology. It is generally believed that the DC arc furnace is a recent development. This is only broadly correct. Already in 1881 in Germany and 1885 in Sweden, melting furnaces were described that used DC technology.

Electric Arc Furnace: Advantages of DC Arc Furnace

Electric arc furnace is a steelmaking electric arc furnace that uses DC power supply to supply electric energy. Like AC EAF, it uses the arc generated between electrode and charge (or molten pool) to generate heat, so as to achieve the purpose of melting, and can be used to melt steel or alloy.

Products › Ironmaking and steelmaking › Electric Arc ...

FastArc™ is the trademark for a state-of-the-art electric steelmaking process technology that optimizes melt shop practices according to the available types of ferrous charge materials. 16/115. Danieli Centro Met offers a complete range of melting units -high-impedance AC EAFs, single and twin-cathode DC EAFs- with the capacity for producing ...

The Advantages of DC Electric Arc Furnace

 · With the application of thyristor technology, the manufacturing technology of high-power DC power supply equipment has been solved, so in the late 1970s, the metallurgical industry re-launched the research of DC arc furnaces, and the technical problems of construction and use of DC arc furnaces in the early 1980s have been solved one by one.

Electrical equipment for d-c arc furnaces (Journal Article ...

 · OSTI.GOV Journal Article: Electrical equipment for d-c arc furnaces. Electrical equipment for d-c arc furnaces. Full Record; Other Related Research

US5479435A

US5479435A US08/335,696 US33569694A US5479435A US 5479435 A US5479435 A US 5479435A US 33569694 A US33569694 A US 33569694A US 5479435 A US5479435 A US 5479435A Authority US United States Prior art keywords furnace scrap furnace shell roof electrodes Prior art date 1993-04-15 Legal status (The legal status is an assumption and is not a legal conclusion.

Furnace Equipment

IEN# 117869 - 100 Ton DC Electric Arc Melting Furnace, Manufacturer VAI – CLECIM, Year 1997 / 98. The equipment is new and still in its packing cases. Furnace Diameter 6700mm, Transformer 90 …

Used Arc Furnace Factory, Custom Used Arc Furnace OEM/ODM ...

Looking for used arc furnace factory direct sale? You can buy factory price used arc furnace from a great list of reliable China used arc furnace manufacturers, suppliers, traders or plants verified by a third-party inspector. Source with confidence.

DC Arc Furnaces

DC Arc furnace is the most versatile means for melting ferrous metals. Until recently, AC Arc Furnaces were used for melting as generation & distribution of AC power was convenient. But with the progress in thyristor Technology, DC Supply has become a genuine alternative to AC Supply.

DEVELOPMENTS IN THE DESIGN AND CONSTRUCTION OF …

This paper will touch on the motivation for selecting DC arc furnace technology, and also on the project approach used. It will concentrate, however, mainly on engineering aspects such the design of the DC arc furnaces themselves, and the various types of auxiliary equipment utilized for these furnaces. 2 TECHNOLOGY SELECTION

Ferroalloys DC Smelting Plant

Ferroalloys DC Smelting Plant. Outotec''s direct current (DC) smelting furnace can be used for direct smelting of fine ores, even those with highly variable chemical or mineralogical compositions, as well as for recycling challenging by-products such as steel dust. Use a cost-efficient, sustainable, and compact solution for ferroalloys ...

DC arc furnaces – The story of a successful South African ...

2. DC arc furnace for ilmenite smelting •Same DC arc furnace equipment can be used for very different reasons •Titania slag is highly conductive, therefore an open arc is required •Slag is a valuable product; contamination must be avoided •Degree of reduction must be carefully controlled, therefore no electrode immersion

Refractory materials for electric arc furnace

Refractory materials for electric arc furnace [2017-08-30] EAF(Electric Arc Furnace) is mainly used for steelmaking with steel scrap as the main raw material. Accordingly to power types, EAF are mainly divided into DC EAF and AC. Same as other high temperature induction furnaces, refractory materials are widely used for EAF.

Development in the design and T construction of DC arc ...

various clients. To date, DC arc smelting furnaces up to a capacity of 70 MW have been designed. This paper will touch on the motivation for selecting DC arc furnace technology, and also on the project approach used. It will concentrate, however, mainly on engineering aspects such the design of the DC arc furnaces

AC Submerged Arc Furnace (SAF) | TENOVA

DC Submerged Arc Furnace (SAF) The DC furnace is ideally suited for efficient reduction of both high and low-grade fine ores, using readily available reductants like fine coal and anthracite. Since fine raw materials can be fed directly into a DC furnace, no additional agglomeration facility is needed. Tenova Pyromet is a world leading company ...

dc arc furnace, dc arc furnace Suppliers and Manufacturers ...

Alibaba offers 1,868 dc arc furnace products. A wide variety of dc arc furnace options are available to you, such as condition, usage, and key selling points.

Electric Arc Furnace, DC Arc Furnace Manufacturers

DC electric arc furnace refers to the electric arc furnace that uses direct current as energy. The same as AC arc furnace, DC electric arc furnace uses the arc generated between the electrode and the furnace charge (or molten pool) to heat, so as to achieve the purpose of melting. It can be used to smelt steel or alloys and non-ferrous metals ...

Electric Arc Furnace Equipment | HeatTreatConsortium

Used extensively in Japan, the use of hot furnace gases for scrap preheating is now being used in the US. Scrap preheating can save 4-50 kWh/ton and reduce tap-to-tap times by 8 to 10 minutes. DC Arc Furnace. Pioneered in Europe, single electrode furnaces operating on direct current have recently been commercialized in North America.

M3D-EAF – Electric Arc Furnace

Description Estimated time: 0.50 hours Electric Arc Furnaces (EAFs) are used to produce carbon steels and alloy steels primarily by recycling ferrous scrap. In an EAF, scrap and/or manufactured iron– such as DRI, pig iron, iron carbide – units are melted and converted into high quality steel by using high-power electric arcs formed between a…

EAF (Electrical Arc Furnaces) | CTS Makina

There are two types of arc furnaces namely AC (alternating current) and DC (Direct Current) arc furnaces. In AC arc furnaces one graphite electrode column is used for each phase (total 3), in DC furnaces only one electrode column is used. Arc furnaces are essentially sole melting equipment and only limited metallurgical processes takes place in ...

DC ARC FURNACE

quality steel making - through versatile dc arc furnace Over the last few years, increasing customer demands for improved product quality have made steel producers to implement new and innovative metallurgical treatment into their modern steel making operations.

electric arc furnace used machine for sale

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DC ARC Furnace For Sponge Iron/DRI (Direct Reduced Iron ...

We can produce one electrode and three electrodes DC electric arc furnace, this will base on the equipment''s producing capacity. Whether melting metal or nonmetal, DC arc furnace can save more than 20% energy than AC furnace, because melting material will be turned up from bottom following electric current just like mixing, so the melting ...

DC ARC Furnaces

During the heat up of your DC ARC Furnace it is important that the burners used are reliable as. the process can be of durations between 20 and 30 days of continuous 24hrs burner operation. We work hard up front with maintenance and thorough testing of our burners in order to give you this reliability.

Graphite Electrode DC Arc Furnace

The Graphite Electrode DC Arc Furnace (DC Arc) is a high-temperature thermal process, which has been adapted from a commercial technology, for the treatment of mixed waste. A DC Arc Furnace heats waste to a temperature such that the waste is converted into a molten form that cools into a stable glassy and/or crystalline waste form.

Electric Arc Furnaces

IEN# 117869 - 100 Ton DC Electric Arc Melting Furnace, Manufacturer VAI – CLECIM, Year 1997 / 98. The equipment is new and still in its packing cases. Furnace Diameter 6700mm, Transformer 90 …