The application and development of medium frequency induction melting furnace Lin electromechanical equipment co. , LTD

by:Hengyang Furnace     2020-05-07
Medium frequency induction melting furnace frequency 50 hz - in work 10 KHZ, need FM frequency converter. Medium frequency induction melting furnace with its electrical efficiency and high thermal efficiency, short smelting time, the province, covers an area of less power consumption, low investment, flexible and easy to implement production process automation, etc. , have more advantages than the power frequency induction furnace. It is suitable for various cast iron smelting, is especially suitable for smelting alloy cast iron, nodular cast iron and vermicular cast iron, and good adaptability of furnace charge, the burden of the breed and fragmentation can change in a wider scope. Medium frequency induction melting furnace has the advantages of the other cast iron smelting furnace without, make its get remarkable development in recent years, and widely used in the production of cast iron. Tell me about the development of the medium frequency induction melting furnace melting furnace manufacturer of medium frequency induction melting furnace development thanks to the use of thyristor inverter. This kind of inverter dc intermediate circuit, the three-phase alternating current frequency conversion with electronic devices for the required frequency, its efficiency is 95% 98%. A new generation of inverter adopts numerical control circuit for frequency converter provides a variety of control and protection functions. Medium frequency induction melting furnace using the converter power rating, 9000 kw inverter connected to the 12 t on the stove, iron melting rate of 18 for t/h; The medium frequency induction melting furnace power density increased to 1000 kw/t, can make the melting period reduced to 35 min. Induction furnace melting rate varies according to the capacity of the furnace, the general medium frequency induction furnace melting iron melting rate is 0. 14 - 35t /小时。 For example, the use of the capacity of 2 t furnace, 2 - can be obtained 2. 38 the fusion rate of t/h, use the capacity of 12 t can reach 18 - the stove 21 t/h melting rate; With power frequency induction furnace melting slag melting rate is: 115 t furnace is 0. 75 t/h, 3 t furnace for 1. 5 t/h, 5 t furnace for 2. 5 t/h, 10 t furnace for 4 t/h. Visible medium frequency induction furnace melting rate is greater than the power frequency induction melting furnace, it is a when choosing cast iron smelting production equipment with small generation, using a smaller capacity of medium frequency induction melting furnace instead of large capacity of power frequency induction melting furnace, both reduced the area, and reduce the investment, and ensures the continuous supply of iron liquid, for continuous operation, production capacity of large cast iron manufacturers. The medium frequency induction melting furnace used for continuous casting and centrifugal casting ductile iron pipe production of iron smelting, replace the cupola with it, or double with blast furnace, cupola, its production capacity will be available to give full play to.
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