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Shaanxi CHENGDA Industry Furnace MAKE Co., Ltd.

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China DC Submerged Arc Ferrotungsten Alloy Smelting Furnace FeW Refining Equipment for
China DC Submerged Arc Ferrotungsten Alloy Smelting Furnace FeW Refining Equipment for

  1. China DC Submerged Arc Ferrotungsten Alloy Smelting Furnace FeW Refining Equipment for

DC Submerged Arc Ferrotungsten Alloy Smelting Furnace FeW Refining Equipment for

  1. MOQ: 1 set
  2. Price: To be negotiable
  3. Get Latest Price
Transformer Capacity 5000 kVA (customizable)
Electrode Diameter 400 mm graphite electrode
Cooling System Closed-loop water cooling with alarm interlock
Tilting Angle +/-12 deg hydraulic tilting
Tungsten Recovery Rate >=97%
Packaging Details Discuss according to the specific requirements of Party A
Working Temperature 1800-2000 deg C (arc zone up to 3000 deg C)
Smelting Capacity per Heat 3-8 t FeW alloy
Payment Terms L/C,T/T,Western Union,MoneyGram
Delivery Time 2 months
Feeding Mode Continuous batching, intermittent tapping
Supply Ability Complete production supply chain, supply on time, and meet quality standards
Furnace Type DC Submerged Arc Furnace (Tilting)
Applicable Alloy Grades FeW70, FeW75, FeW80
Place of Origin Shaanxi, China
Model Number CD-FeW-5000
Certification ISO9001
Brand Name Shaanxi Chengda

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Product Specification

Transformer Capacity 5000 kVA (customizable) Electrode Diameter 400 mm graphite electrode
Cooling System Closed-loop water cooling with alarm interlock Tilting Angle +/-12 deg hydraulic tilting
Tungsten Recovery Rate >=97% Packaging Details Discuss according to the specific requirements of Party A
Working Temperature 1800-2000 deg C (arc zone up to 3000 deg C) Smelting Capacity per Heat 3-8 t FeW alloy
Payment Terms L/C,T/T,Western Union,MoneyGram Delivery Time 2 months
Feeding Mode Continuous batching, intermittent tapping Supply Ability Complete production supply chain, supply on time, and meet quality standards
Furnace Type DC Submerged Arc Furnace (Tilting) Applicable Alloy Grades FeW70, FeW75, FeW80
Place of Origin Shaanxi, China Model Number CD-FeW-5000
Certification ISO9001 Brand Name Shaanxi Chengda
High Light DC submerged arc ferrotungsten smelting furnace ,FeW refining equipment for tungsten concentrate ,nonferrous metal smelting furnace with warranty

DC Submerged Arc Ferrotungsten Smelting Furnace Overview

The DC submerged arc ferrotungsten alloy smelting furnace is a specialized high-temperature electric reduction furnace designed for producing ferrotungsten alloys (FeW70, FeW75, FeW80) from tungsten concentrate. By combining DC arc heating with submerged operation and carbothermic reduction, the furnace realizes continuous smelting of tungsten concentrate into qualified ferrotungsten alloy at a working temperature of 1800-2000°C, delivering a stable tungsten recovery rate of 97% or above and consistent alloy composition for the special steel and hard alloy industries.

Core Features

  • High Tungsten Recovery: Submerged arc operation with reducing atmosphere control minimizes tungsten volatilization loss and slag carry-over, keeping the tungsten recovery rate at 97%-99% and reducing production cost per ton of FeW alloy.
  • Stable Alloy Composition: Precise electrode current control and continuous batching ensure uniform carbothermic reduction, producing FeW70/FeW80 alloy with tight carbon and impurity control that meets GB/T 3648 and international standards.
  • Energy Efficient Smelting: DC submerged arc heating transfers heat directly into the molten bath, cutting unit power consumption by 10%-15% compared with conventional AC resistance smelting, with lower electrode consumption.
  • Continuous Production: Hydraulic tilting furnace body with intermittent tapping and continuous feeding supports 24-hour operation, maximizing annual ferrotungsten output for smelting plants.
  • Safe and Environmental: Closed-loop water cooling, furnace gas collection and baghouse dedusting system control dust and fume emissions, meeting industrial environmental protection requirements.

Main Technical Parameters

ParameterValue
Furnace TypeDC Submerged Arc Furnace (Tilting)
Transformer Capacity5000 kVA (customizable)
Working Temperature1800-2000°C (arc zone up to 3000°C)
Smelting Capacity per Heat3-8 t FeW alloy
Electrode Diameter400 mm graphite electrode
Tungsten Recovery Rate≥97%
Tilting Angle±12° hydraulic tilting
Feeding ModeContinuous batching, intermittent tapping
Cooling SystemClosed-loop water cooling with alarm interlock
Furnace LiningMagnesia-carbon / high-alumina refractory lining

Smelting Process

Tungsten concentrate, iron oxide and carbonaceous reductant are proportioned and continuously charged into the furnace bath. The submerged DC arc melts the charge and drives carbothermic reduction; the produced ferrotungsten alloy settles at the bottom and is tapped through the tilting spout into ingot molds, while the reducing slag is periodically removed. The whole process is monitored by PLC with real-time electrode position and current control.

Application Fields

  • Ferrotungsten FeW70/FeW80 production for high-speed steel and tool steel manufacturing;
  • Tungsten concentrate and tungsten-bearing scrap resource recovery and alloying;
  • Special alloying additive preparation for hard alloys, superalloys and welding materials.

Selection Guidance

Please advise your annual ferrotungsten output target, tungsten concentrate grade and available power supply, and our engineers will recommend the proper transformer capacity, furnace size and auxiliary dedusting configuration. Contact us to request a customized layout drawing and quotation.

Company Details

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 from Quality China Factory
  • Business Type:

    Manufacturer,Distributor/Wholesaler,Importer,Exporter,Trading Company,Seller

  • Year Established:

    2003

  • Total Annual:

    10millionUSD-10million

  • Employee Number:

    >139

  • Ecer Certification:

    Verified Supplier

  Shaanxi Chengda Industrial Furnace Manufacturing Co., Ltd. is a high-tech enterprise specialized in the research, design, and manufacturing of various industrial furnaces, including AC and DC steelmaking electric arc furnaces, ladle refining furnaces, ferroalloy ore thermal furnaces, ferroall...   Shaanxi Chengda Industrial Furnace Manufacturing Co., Ltd. is a high-tech enterprise specialized in the research, design, and manufacturing of various industrial furnaces, including AC and DC steelmaking electric arc furnaces, ladle refining furnaces, ferroalloy ore thermal furnaces, ferroall...

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  • Shaanxi CHENGDA Industry Furnace MAKE Co., Ltd.
  • Room 1201, Greenland Blue Ocean Building, Zhanba Yi Road, Yanta District, Xi'an City, Shaanxi Province, China
  • https://www.sxcd-furnace.com/

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