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Submerged Arc Furnace

Categories metallurgical machinery
Place of Origin: Shaanxi
Brand Name: XABDS
Certification: ISO9001-2000
Price: USD600000 – 2000000
Packaging Details: EXPORT STANDARD PACKAGE
Delivery Time: 90DAYS
Payment Terms: T/T, L/C
Supply Ability: 200SETS
MOQ: 1SET
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    Submerged Arc Furnace

    Submerged arc furnace Profile

    Submerged arc furnace—it’s also known as electric arc furnace or resistance electric furnace. It is mainly used to reducing smelting ore, carbonaceous reducing agent and solvent etc. Mainly adapt to production of ferrosilicon, ferromanganese, ferrochrome, ferrotungsten, silicon manganese alloy and other ferrous alloys, it is an important smelting furnace in metallurgical industry for production of industrial raw materials and calcium carbide and so on chemical raw materials. The working character is to use carbon or magnesia refractory materials as furnace lining, use self roasting electrode. Electrode insert into the materials inside the furnace for submerged arc operation, using arc energy and current through the materials, and due to the resistance of the materials and produce energy to melt metal. It’s a kind of industrial furnace which is worked continuously, charge material in succession, and tap out metal or slag in intermittent.


    Submerged Arc Furnace---Major categories and application

    Category

    Main raw-material

    Final products

    Reaction temperature ( Celsius Degree)

    Power consumption KWh/t

    Ferroalloy furnace

    Ferrosilicon furnace

    (45%) ferrosilicon

    Ferrosilicon, scrap iron, coke

    Ferrosilicon

    1550-1770

    2100-5500

    (75%) ferrosilicon

    8000-11000

    Ferromanganese furnace

    Manganese ore, scrap iron, coke, lime

    Ferromanganese

    1500-1400

    2400-4000

    Ferrochrome furnace

    Chrome ore, silica, coke

    Ferrochrome

    1600-1750

    3200-6000

    Ferrotungsten furnace

    Tungsten crystal ore, coke

    Ferrotungsten

    2400-2900

    3000-5000

    Silicon chromium furnace

    Ferrochrome,

    silica, coke

    Silicon chrome

    1600-1750

    3500-6500

    Silicon manganese furnace

    Manganese ore,

    silica, iron scrap,

    coke

    Silicon manganese

    1350-1400

    3500-4000

    Steelmaking electric furnace

    Iron ore, coke

    Pig iron

    1500-1600

    1800-2500

    calcium carbide furnace

    Limestone, coke

    Calcium carbide

    1900-2000

    2900-3200

    Boron carbide furnace

    Boron oxide, coke

    Boron carbide

    1800-2500

     


    Notes: The above is roughly value. According to the difference of the raw material composition, finished product components, electric furnace capacity and etc. the power consumption value will be much different.


    Submerged Arc Furnace---Structure characteristics

    Submerged arc furnace is a kind of industrial furnace which consumes much power. Full set equipment mainly consists of furnace shell, fume hoods, lining, short net, cooling system, exhaust system, de-dusting system, electrode shell, electrode lifting system, loading and unloading system, electrode holder, arc burner, hydraulic systems, submerged arc furnace transformer and various of electrical equipments.


    Submerged arc furnace equipment is divided into three layer arrangement

    The 1st layer is furnace body (including furnace bottom support, furnace shell, furnace lining), tapping system (including the ladle or pot and ladle car.), arc burner etc.


    The 2nd layer

    (1) Fume hood: At present, mostly of submerged arc furnace adopt closed or semi-closed low hood structure, with the characteristics of environmental protection, facilitate maintenance and improve the operation environment. The closed structure can also collect the exhaust gas (main ingredient is carbon monoxide) which is generated in the production and use in synthetically. Also can reduce the heat loss of the circuit, decrease the temperature of the electrode, and improve the operating environment.

    (2) Electrode holder: Most of submerged arc furnace with three-phase power supply. Electrode in triangle or inverted triangle, symmetrical position placed in the middle of furnace chamber. Large submerged arc furnace generally adopt anthracite, coke and coal tar pitch mixed as electrode material, in the process of smelting , it roasting by itself as electrode.

    (3) Short net

    (4) Copper tile

    (5) Electrode shell

    (6) Unloading system

    (7) turning down machine

    (8) Fume exhaust system

    (9) Water-cooling system

    (10) Submerged arc furnace transformer

    (11) Operating system


    The 3rd layer

    (1) Hydraulic system

    (2) Electrode press and release device

    (3) Electrode lifting system

    (4) Steel platform

    (5) Hopper and cycle material distribution car


    Other additional: skew Bridge feeding system, electronic batching system, etc.

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