Medium Frequency Induction Melting Furnace Advantages

The medium frequency induction melting furnace has the advantages of small size, lightweight, high efficiency, and favorable environment, which makes it a rapid replacement for coal-fired furnaces, gas furnaces, oil-fired furnaces, and ordinary resistance furnaces. It is a new generation of metal heating equipment.

The medium frequency induction melting furnace has advantages over the power frequency induction melting furnace because of its high electrical efficiency and thermal efficiency, short melting time, less power consumption, less land occupation, lower investment, flexible production and easy implementation of process automation.

The medium frequency induction melting furnace has the advantages that other cast iron melting furnaces do not have, and has been attracting remarkable development in recent years and is widely used in cast iron production. When the molten iron in the furnace reaches the pre-programmed temperature, the furnace power is automatically reduced; the temperature of the molten iron is monitored, calculated and controlled; the automatic sintering procedure is provided for the new furnace lining; and the C, Si and other added elements that meet the requirements of the molten iron are determined. Quantity; has an automatic cold start device.

The smelting management system provides diagnostic information and various information about the power supply and furnace operation process through an easy-to-read display. If the alarm system is activated in an abnormal state, the smelting management system will provide the problem and store the fault information for troubleshooting or to connect to the printer for print reservation. Through the smelting management system, various diagnostic information can be obtained and a series of other functions can be performed.

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Application Range of Medium Frequency Induction Furnace

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Troubleshooting of Medium Frequency Furnace

Troubleshooting of Medium Frequency Furnace This article introduces the faults and solutions of medium frequency furnace. 1. Fault phenomenon: large DC current, low DC voltage, and if the voltage, dull equipment sound, over-current protection. Analysis and treatment: the thyristor with one arm of the inverter bridge may be short-circuited or open-circuited, resulting in the operation of the three-arm inverter bridge. Use an oscilloscope to observe the voltage drop waveform of the thyristor on the four bridge arms of the inverter bridge. If the voltage drop waveform of the thyristor on one bridge arm is a line, the thyristor has been through; if it is a sine wave, the thyristor has not been through. Replace the through thyristor; find out the reason why the thyristor is not turned on. 2. Fault phenomenon: when the heavy load cold furnace is started, all electrical parameters and sounds are normal, but the power cannot be raised, and overcurrent protection. Analysis and

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Advantages and Disadvantages of Electric Arc Furnace and Induction Furnace Steelmaking

Electric Arc Furnace VS Induction Furnace Steelmaking Comparison of advantages and disadvantages of electric arc furnace and induction furnace steelmaking 1. The induction furnace heats up quickly and has high thermal efficiency. The heat is generated inside the charge (steel liquid), so the heating is fast. In the arc furnace, the heat of the arc after the material is cleared must be transferred to the molten steel through the slag, which is indirect heating. Thermal efficiency is poor. The furnace is in the shape of a basin, and a large part of the heat of the arc is lost through the furnace cover and the furnace wall. 2. The oxidative burning loss of elements in induction furnace steelmaking is less. Because there is no ultra-high temperature action of the arc in the induction furnace steelmaking, the burning rate of the elements in the steel is low. 3. In the induction furnace steelmaking, the composition and temperature of the molten steel are relatively uniform.

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