Luoyang HongtengIntermediate frequency induction furnace
The following furnaces are usually used to melt aluminum: 1. Reverberatory Furnace: – Commonly used for large-scale industrial aluminum melting. – The furnace is heated by burning fuels such as natural gas and heavy oil, and then the heat is radiated to the aluminum material. – Suitable for mass production, with high efficiency and good temperature control. 2. Electric Arc Furnace: – Mainly used for the smelting of recycled aluminum. – Aluminum is melted by generating high temperature through electric arc. – High energy efficiency, but high equipment cost and maintenance cost. 3. Induction Furnace: – Suitable for small and medium-sized aluminum smelting. – Generate eddy currents through electromagnetic induction, so that the aluminum material is spontaneously heated and melted. – Accurate temperature control and fast melting speed. 4. Crucible Furnace: – Suitable for aluminum smelting in small scale or laboratory environment. – Use gas, electricity or coke as heat source to indirectly melt aluminum material by heating the crucible. – Simple equipment and flexible operation. The resistance furnace is one of the most commonly used furnaces for melting aluminum. Its principle is to melt aluminum by heating the heating wire in the furnace. Compared with other furnaces, the resistance...
What is the function and power of an electric furnace for melting aluminum? The main function of an electric furnace for melting aluminum is to quickly melt aluminum raw materials, and its power depends on the specifications and design of the furnace. The following aspects can explore the efficacy and power of electric furnaces for melting aluminum (the power of electric melting aluminum furnaces of different specifications varies greatly, the following is for reference only): Efficiency Thermal efficiency: The thermal efficiency of an electric furnace refers to the ratio of the input electrical energy to the heat energy required to melt aluminum. Generally speaking, the thermal efficiency of an electric furnace can reach about 80% to 90%. Compared with traditional gas furnaces and oil furnaces, electric furnaces have higher thermal efficiency because electric heating elements can more accurately control and concentrate heat. Production efficiency: Production efficiency refers to the amount of aluminum that can be melted in a certain period of time. The production efficiency of an electric furnace is affected by many factors, including the design of the electric furnace, its capacity, the initial temperature of the aluminum, and the operating conditions. Generally...
What are the core and features of the electric molten aluminum furnace? The core of the electric molten aluminum furnace mainly includes heating elements, furnace structure, control system, etc. Its main features are: 1. High efficiency and energy saving: The efficiency of electric energy conversion is relatively high, which can effectively reduce energy waste. 2. Accurate temperature control: The temperature in the furnace can be accurately controlled to ensure the stability of the quality of aluminum liquid. 3. Environmental protection: Relatively less pollution, more environmentally friendly. The electric molten aluminum furnace is a key equipment in the aluminum industry. It consists of the following core components: 1. Furnace body: The furnace shell is usually made of steel plate, and the interior is lined with refractory materials to resist high temperatures. Commonly used refractory materials include aluminosilicate bricks and alumina bricks. 2. Heating system: Graphite electrodes or carbon electrodes are used to heat aluminum through electric arcs or resistances. The power supply system provides high-power current, usually including transformers and rectifiers. 3. Temperature control system: The temperature sensor monitors the temperature in the furnace in real time to ensure accurate control. The control unit includes an automatic control system to adjust...
Melting method Electric arc furnace melting Electric arc furnace melting is one of the main hot processing methods for steel castings. Its principle is to use electric energy to heat molten iron to a suitable temperature, oxidize and remove impurities such as carbon, silicon, and manganese in the molten iron, so that it meets certain composition and structural requirements. Electric arc furnace melting has the advantages of high thermal efficiency, low energy consumption, and simple operation. It is suitable for the production of medium and low alloys and large and medium-sized steel castings. Oxygen furnace melting Oxygen furnace melting is a melting method that uses oxygen for combustion and generates high temperature. Compared with electric arc furnaces, the advantages of oxygen furnace melting are high temperature, clean molten pool, high thermal efficiency, and high gas utilization. It is suitable for the production of high-alloy and large steel castings. Electric furnace melting Electric furnace melting is to use electric energy to heat molten iron to a suitable temperature for melting. Compared with other melting methods, electric furnace melting has the advantages of high thermal efficiency and low energy consumption, and can be refined and...
Electric furnace steelmaking mainly uses arc heat. In the arc action area, the temperature is as high as 4000°C. The smelting process is generally divided into a melting period, an oxidation period and a reduction period. Precautions: Temperature control: During the blast furnace smelting and subsequent refining process, the temperature needs to be strictly controlled to ensure the smooth progress of the chemical reaction and avoid excessive oxidation of the material. Composition adjustment: Adjust the composition of steel by adding alloying elements and fluxes to obtain the required properties. This requires precise calculation and control. Environmental protection: Waste gas, waste water and solid waste will be generated during the smelting process, and effective environmental protection measures need to be taken, such as waste gas treatment, waste water recycling and reasonable disposal of solid waste. Equipment maintenance: Regularly inspect and maintain smelting equipment to ensure its normal operation and prevent production interruption or safety accidents caused by equipment failure. Safe operation: The smelting process involves high temperature, high pressure and harmful chemicals. Operators need to wear appropriate protective equipment and strictly abide by safety regulations. Quality inspection: During the...
Electric furnace steelmaking process and operation steps Preparation – Ensure that the melting furnace, power supply equipment, electrodes and cooling equipment are complete. – Clean the inside of the furnace and remove residues. – Prepare the charge, including scrap steel, alloys, etc. Entering the furnace and heating – Preheat the steelmaking furnace to a suitable temperature. – Gradually add the charge to the furnace and maintain good ventilation. – Use a dust collector to collect dust and reduce environmental pollution. – Turn on the power, form an arc, and use the arc to heat the charge. Charge – Add scrap steel and alloys and other smelting materials according to the requirements of the content of various elements. – Heat the charge until it is completely melted and maintain a constant temperature through the arc in the furnace. Stirring and insulation – Use a stirring device (manipulator, air gun, etc.) to stir the charge in the furnace to ensure uniform heating. – Keep insulation at the optimal temperature to increase the reaction rate of alloy and charge. Steel and slag – Add deoxidizer and alloy thinner according to the requirements of the steel grade. – Add slag according to the formula...
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