Types of Steel Making Furnaces, Electric Furnace for Steel Manufacturing

CHNZBTECH specializing in the electric furnace for steel manufacturing covers design, engineering, supply, and commissioning for whole short-line steelmaking furnaces, from EAF, Secondary refining furnaces, VOD to CCM, rolling mill, as well as spare parts. EAF is divided into DC EAF, CONSTEEL EAF, and traditional top-charging EAF, meanwhile, Secondary refining furnaces including LF, ESR, and AOD, are within supply scope as well.
CCM usually are the main facility for casting liquid, based on the form of shapes, common see billet caster, bloom caster, and slab caster. Additional, CHNZBTECH, as one of the leading steel furnace manufacturers in China, providing ferroalloy melting and steel melting equipment solutions, main smelting varieties are silicon manganese alloy, industrial silicon, and ferrosilicon alloy, low micro carbon ferrochrome.

TYPES OF STEEL MAKING FURNACES FOR SALE

EAF Electric Arc Furnace

Among types of steel making furnaces, EAF is mainly used for melting special steel from scrap, DRI, and HBI. Traditional EAF and CONSTEEL EAF compared with the other steel melting forge with higher temperatures up to 3000℃, easier temperature and liquid chemical control, more access to harmful element removal, and smaller investment. While, DC EAF, compared to AC EAF, lower electrode consumption up to 50% down, smaller melting power down by 5-10%, longer lining bricks life up to 30%, lower noise and harmonic effect for the power grid.

Secondary Refining Furnace

Among types of furnaces in steel making, LRF is usually followed by EAF, IF for liquid steel further treatment, especially sulfur, inclusive slag reduction for cleaner liquid, as well as a buffer between the steel making furnace for steel and CCM. VD/VOD (Vacuum Oxygen Decarburization) considers the main melting of spring steel, prop steel, die steel, stainless steel, the removal of hydrogen and oxygen and nitrogen In liquid steel. ESR electric steel melting furnace, compared to EAF melting, with pure metal, dense organization, uniform composition, and smooth surface, results in longer service life and higher performance.

Submerged ARC Furnace

Among steel furnace types, CHNBZTECH SAF's main smelting varieties are ferromanganese alloy, industrial silicon metal, silicon manganese alloy, and low-carbon ferrochrome. From a small capacity of 3200KVA to up to 65000KVA, low carbon ferrochrome with chrome recovery ≥ 60%, Carbon ≤ 0.03 %. DC SAF compared to AC SAF, with 10% lower energy consumption, especially for power, and electrode paste. The Corundom(Al₂O₃) Furnace for steel melting can also melt white and brown corundum.

Furnace Auxiliary Equipment

CHNZBTECH operating an electric furnace steel mill provides induction furnace, CCM, rolling mill, WTF, and FTP to achieve final products like bloom, billet, rebar, coil, and slab. Among types of steel making furnaces, induction furnace is mainstream in foundry plants to produce castings, like flange, and auto parts. Continuous caster usually is designed and erected for billet, bloom, slab, and Auxiliary equipment like WTP, FTP, and power station around the main workshop to guarantee daily and normal running of the plant.

FURNACE PARTS FOR SALE

Furnace Auxiliary Spare Parts

Among types of furnaces in steel making, auxiliary Spare Parts is key and indispensable for the electric furnace steelmaking mill daily operation, different spare parts and consumable like EAF oxygen lance manipulator, LF roof, water-cooled power cable, scrap bucket, ladle preheater, copper busbar, electrode arm, copper mould, refractory and graphite electrode with different design, high quality can be provided for revamping or updating customer exist plant.

CHNZBTECH is a Leading Supplier Of Steel and Ferroalloy Solutions

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INDUSTRIAL TYPES OF STEEL MAKING FURNACES

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Taking the lead in 3D modeling for EAF steelmaking furnace, LF, VOD, CCM.

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Intelligent design in the electric furnace steelmaking industry.

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Realizing static, dynamic analysis and spatial simulation, parametric analysis.

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Extensive experience in practice and cooperated with universities keep innovation of electric furnace for steel manufacturing.

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CE and ISO, SGS certified design and production level, ensure quality meet different standard requirements of steel melting furnace.

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Considerate warranty service after sale to minimize customer's caution.

CHNZBTECH Steel Making Furnace FAQs

CHNZBTECH: Base on different melts and heats method, usually types of steel making furnaces can be divided into induction furnaces, AC arc furnace, DC arc furnace, Submerged arc furnaces. Consider refining function, CHNZBTECH, one of the professional steel furnace manufacturers, also offers LF, VD/VOD furnace, ESR furnace.

1. What Types of Steel Making Furnaces Are There?

CHNZBTECH: Different capacity of furnaces configured with different transformer, tap to tap from 120minuts to 35minutes. Larger capacity EAF, are powered also by oxygen lance manipulator from furnace door, ET lance from side-wall which decrease melt down time. Scrap continuous feeding and preheating enables EAF with CONSTEEL tap liquid within 35minutes, and power consumption lower to 290 KW.H/t.

2. How long does a electric furnace for steel manufacturing last?

CHNZBTECH: it depends on site condition of exists steel melting furnace. Usually only EAF roof, copper busbar, water cooled welding cable, electrode arm, clamping rings, vacuum circuit breaker, those vulnerable and quick-wear parts need to be replaced after due time of working. Revamping and updating steelmaking furnaces are also potential ways for morden steel plants.

3. How much does it cost to replace a steelmaking furnace?

CHNZBTECH: air melting furnace usually are considered as normal type furnace like EAF, SAF, IF. Which electrodes exposed to air and melting down at relative open atmosphere. However, consider vacuum melting furnace usually refers to VD/VOD, VIM, VAR, those machines are equipped with vacuum suction pumps, which remove nitrogen, hydrogen, oxygen, under vacuum.

4.What is the difference between air and vacuum melting furnaces?

CHNZBTECH: Types of furnaces in steel making are primarily constructed using refractory materials, chosen for their ability to withstand high temperatures. The inner lining of the steel making furnace is typically made of dense firebricks or castable refractory material to withstand the intense heat generated during steel melting. The outer shell is often constructed from carbon steel or stainless steel to provide structural support and insulation.

5.What are steel making furnaces made of?

CHNZBTECH: Manufacturing types of furnaces in steel making generally involves several key steps. First, engineers design the furnace layout, considering factors like capacity, energy efficiency, and safety. Next, skilled technicians construct the furnace shell using high-grade steel and refractory materials, ensuring durability and heat resistance. Heating elements are installed according to design specifications. Control systems and safety mechanisms are integrated for precise temperature regulation and operation. Finally, rigorous testing and quality assurance checks are conducted to ensure the steel making furnace meets industry standards before commissioning.

6. How to manufacture a steel making furnace?

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Electric Furnace Steel Making Process

The types of electric arc furnace (EAF) operates by using electric energy to create a high-intensity electric arc between two or more graphite electrodes and the scrap metal inside the steelmaking furnace. The electrodes are lowered into the furnace and positioned above the scrap metal.
As the electric current passes through the electrodes, it creates an arc that generates intense heat, reaching temperatures of around 3000 degrees Celsius (5400 degrees Fahrenheit). This heat through the electric furnace steel making process causes the scrap metal to melt and form a pool of molten metal in the bottom of the electric steel melting furnace.
The heat from the electric arc also helps to remove impurities and oxidize any unwanted elements in the scrap metal. These impurities rise to the surface of the molten metal and are removed through slagging, where a layer of fluxing agents is added to this steel melting furnace to absorb the impurities and create a slag layer that floats on top of the molten metal.

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Steel Making Furnace Applications

Small casting with high quality melting. The steelmaking furnace can not only be used in casting factories for flexible casting of small parts, but also in the mechanical processing industry.
Steel billets, deformed steel, and steel balls melting. Small MINI steel plants are used to produce steel billets, deformed steel, and steel balls. In recent years, due to the development of the steel ball market, more types of steel making furnaces have been used to produce molten iron, using high-speed centrifuges machines and various heat treatment equipment to produce steel balls of different sizes. Compared to medium frequency steelmaking, electric furnace steel can better control harmful components to molten steel, and raw materials have more selectivity.
Polysilicon, monocrystalline silicon, and organic silicon melting. Similarly, the submerged electric arc furnace is also an important part of steelmaking and ferroalloy production. Currently, with the development of the global spectroscopic industry, there is a greater and deeper demand for industrial silicon in the market. These metallic silicon are melted in submerged arc furnaces and further processed to produce polysilicon, monocrystalline silicon, and organic silicon.
Special steel like ball steel, bearing steel, tool steel melting. Enhanced by different refining facilities like LF furnace, VD VOD furnace, RH, ESR, VAR, VIM, primary molten steel could be easily treatment with any specially chemical analysis, like ultra low carbon, sulfur, phosphorus, but with high content of benefits elements like manganese, chrome.

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