Medium frequency smelting electric furnace which items should be paid attention to in the enterprise application

by:Hengyang Furnace     2020-04-30
In recent years, with the hot air cupola furnace duplex melting ( Insulation) Short, casting process is the national industry promotion of new technology. Vigorously develop new energy-saving intermediate frequency power supply, processing equipment form a complete set of greenhouse gas emissions is a mandatory environmental protection. Energy conservation is a system engineering, need equipment manufacturers, the use of manufacturers and supporting manufacturers work together to improve the technical level and management level. Medium frequency smelting electric furnace which items should be paid attention to in the enterprise application ( 1) Medium frequency induction furnace should use special rectifier transformer, improve the power supply voltage, and limit the no-load operation of the transformer. ( 2) Standard installation, shorten the connection between high pressure, transformers, intermediate frequency power supply, electric furnace, choose high purity of T2 copper or oxygen-free copper, medium frequency melting furnace induction coil and water cooled cable, in particular, increase its cross-sectional area can effectively reduce the current heat loss. ( 3) According to the casting process to choose the right medium frequency electric furnace capacity and frequency, increase power density to improve the efficiency of melting, reduce the additional loss. ( 4) Preferred with steel shell of the furnace cover, reduce furnace wall and the oven heat loss and magnetic loss. Melting furnace shell in the operation process to prevent the metal contact form a short circuit. ( 5) Make reasonable casting process, from the shape, material, melting, pouring, heat treatment, such as cleaning technique specification operation, scientific management, in order to reduce energy consumption. ( 6) Strengthen the equipment management and maintenance, reduce the failure rate, ensure production run smoothly. ( 7) Check all the connection part of the contact conduction system are in good condition, especially the water-cooled cables and induction coil joint screw fastening, insulation, insulation boots must be tested once a year.
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