Submerged Arc Furnace
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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 adapts 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 inserts 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, charged material in succession, and tapped out metal or slag in intermittent.
Submerged Arc Furnace---Major categories and application
Category | Main raw-material | Final products | Reaction | Power | ||
Ferroalloy | Ferrosilicon | (45%) | Ferrosilicon, | Ferrosilicon | 1550-1770 | 2100-5500 |
(75%) | 8000-11000 | |||||
Ferromanganese furnace | Manganese | Ferromanganese | 1500-1400 | 2400-4000 | ||
Ferrochrome furnace | Chrome ore, | Ferrochrome | 1600-1750 | 3200-6000 | ||
Ferrotungsten furnace | Tungsten | Ferrotungsten | 2400-2900 | 3000-5000 | ||
Silicon chromium furnace | Ferrochrome, | Silicon chrome | 1600-1750 | 3500-6500 | ||
Silicon manganese furnace | Manganese | Silicon | 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, | Boron carbide | 1800-2500 |
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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 and ladle car.), arc burner etc.
The 2nd layer
1、Fume hood: At present, mostly of submerged arc furnace adopts 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 used 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 adopts 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、Stoking 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.
- Q:What is the difference in structure between industrial furnace and boiler?
- At the same time, the working environment is relatively poor, the structure should be sturdy and durable, the transfer mechanism (generally) to stable and durable low failure rate, the insulation layer must be thick enough and the economy, the steel structure housing materials used to be enough.
- Q:Heat treatment equipment (industrial furnace), which products generally contain what kind of, which industries need to use heat treatment industrial furnace equipment.
- The general metal die casting plant and the metal smelting plant need process melting and dissolving furnace, usually there are reverberatory furnace, cupola, rotary furnace, etc. I do the melting furnace of aluminium alloy.
- Q:What's the role of anchor bricks in industrial furnaces?
- The wall of an industrial furnace or flue is mainly composed of an inner lining layer, a heat insulating layer and an outer wall layer. The lining is a refractory brick, and the outer wall is an ordinary sintered brick.
- Q:Should the industrial furnace shell cool down?
- The function of furnace shell is beautiful, protective lining, fixed function accessories and so on.
- Q:Why does the burner of industrial furnace burn occasionally?
- The flameout protection system is made up of burner controller, electromagnetic valve and flame detector, and the flame detection mode is mainly based on the two forms of ultraviolet detection and electrode detection. By utilizing the electric conductivity of the flame, the circuit path of the combustion process generates a weak current, and when the signal amplifier is amplified, the flame is induced to exist, and the small power burner adopts the detection mode more, and is economical and practical.
- Q:What is an industrial furnace pit?
- The creation and development of industrial kilns play an important role in the progress of mankind. Chinese appeared more perfect in the Shang Dynasty copper smelting furnace, furnace temperature is up to 1200 DEG C, up to 0.8 meters in diameter kiln stove.
- Q:What is the difference between industrial furnace masonry and ordinary masonry?
- Furnace industry is not generally Mason walls, needs to have a professional operation and rich construction experience, high level of industrial furnace is difficult to get.
- Q:How many kinds of industrial electric furnaces are there?
- Electric furnace is divided into four categories: resistance furnace, induction furnace, arc furnace and special electric furnace according to the different ways of electric heating.
- Q:What is industrial furnace masonry?
- Plane construction must level, slope construction must find slope,refractory bricks must be selected and processed according to masonry requirements.
- Q:How to use industrial furnace equipment?
- If it is water cooling furnace door, but also to ensure the smooth flow of pipes, winter pipes are not frozen. When the boiler is in a limited position, the interlocking device for cutting off the power supply shall be provided when the furnace is in and out, and the number of broken wires in the pitch of the steel wire shall not exceed 10%, and the counterweight of the furnace door shall be reliably hung.
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Submerged Arc Furnace
- Loading Port:
- China Main Port
- Payment Terms:
- TT OR LC
- Min Order Qty:
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- Supply Capability:
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