3 Ton Electric Arc Furnace

The technical advantages of electric arc steel furnace are mainly reflected in their high efficiency, energy saving, flexibility and intelligence.

With the improvement of EAF furnace equipment and the improvement of smelting technology, the development of the power industry, the cost of smelting furnace has been declining.

Now electric arc furnace steelmaking is not only used to produce alloy steel, but also a large amount of ordinary carbon steel. Its output accounts for a large proportion of the total steel output of major industrial countries. It continues to rise.

This industrial electric furnace adopts the characteristics of large current, short arc and stable current, which not only shortens the melting time, but also reduces power consumption, thereby improving smelting efficiency.

The average smelting cycle of a 3-ton electric arc furnaces is 120 minutes, and the average smelting power consumption is 600kwh/t. These data show its efficiency in energy utilization.

The electrode electric arc furnace is suitable for the smelting and processing of various metal materials. It can use alkaline or acidic linings, can adapt to different smelting needs, can process scrap steel, scrap iron, scrap aluminum and other waste materials, and produce high-quality metal products. It is suitable for smelting carbon steel, high-quality carbon steel, alloy steel, stainless steel and other materials.

Advanced intelligent PLC electrode regulator is used, which ensures the accuracy and reliability of the electrode automatic system. At the same time, the tilting of the furnace body and the lifting and rotation of the furnace cover are hydraulically driven, which is conducive to the stability and reliability of the equipment operation. The application of these technologies not only improves the quality of smelting, but also enhances the safety and durability of the equipment.

Since the steelmaking electric arc furnace has no emissions of combustion products, such as smoke, waste gas and waste liquid, it has a lower environmental impact. This is also one of the important advantages of the electric arc furnace in waste treatment and environmental protection applications.

We are equipped with a variety of dust removal systems, which can be equipped with different forms of dust removal equipment according to the environmental protection requirements of different countries.

Select raw materials: The main raw material for 3 ton electric arc furnace steelmaking is scrap steel, which may come from scrap auto parts, scrap steel materials, etc. In addition, according to smelting needs, some auxiliary materials such as alloy elements and deoxidizers may also need to be prepared.

Pretreatment: Before entering the electric arc furnace, the scrap steel raw materials need to be cleaned to remove rust, oil and other impurities to ensure the quality of the steel.

Cleaning the furnace: Before charging, the furnace of the EAF needs to be cleaned to remove residues and impurities.

Charge loading: The cleaned and pre-treated scrap steel is loaded into the electric arc furnaces in a certain proportion and order. When charging, it is necessary to pay attention to maintaining a good stacking density to facilitate the smooth transfer of arc and gas.

Preheating: After ignition, the arc is led into the furnace to start preheating. Preheating is to increase the temperature in the furnace and accelerate the melting of the raw materials.

Heating & melting: Electric energy is generated through power supply equipment, which is converted into heat energy to quickly heat the charge to a molten state. Under normal circumstances, the heating temperature of the electric arc furnace can reach thousands of degrees Celsius, which is enough to completely melt the charge.

Redox reaction: At high temperatures, iron and other metal elements in the raw materials begin to undergo redox reactions. These reactions include oxidation, reduction, etc. The specific type and degree of the reaction depends on the composition of the raw materials and the required steel properties.

Slag making: Add appropriate amount of limestone, fluorite and other slag making materials to make the slag contain enough redox agent and desulfurizer to promote the smelting reaction. Slag plays the role of separating metal and non-metal, purifying metal and protecting furnace lining in the process.

Adjusting composition: According to the smelting requirements, add appropriate amount of alloy elements to the direct reduction electric arc furnace to adjust the composition and performance of the steel. The added alloy elements can be alloy blocks or alloy powders, which are melted by the high temperature of the arc furnace and fully mixed with the charge.

Deoxidation: During the smelting process, deoxidizers (such as silicon, manganese, etc.) need to be added to remove oxygen from the molten steel to improve the quality and performance of the molten steel.

Steel tapping operation: After reaching the required steel tapping composition and temperature, the molten steel is poured out through operations such as furnace tilting and steel pouring to form continuous casting billets or casting billets.

Subsequent processing: According to needs, the manufactured steel is subjected to subsequent processing such as cutting, grinding, heat treatment, etc. to meet the needs of different uses.