Luoyang HongtengIntermediate frequency induction furnace
How does an intermediate frequency induction furnace convert electrical energy into heat energy to heat metal during heating? Theoretically speaking, the intermediate frequency induction furnace heating process consists of two stages. The first stage: the alternating current of the frequency conversion device of the medium frequency induction furnace generates alternating magnetic field When the alternating frequency current of the medium frequency induction furnace passes through the spiral induction coil, a magnetic field is generated in and around the space enclosed by the coil. The polarity and strength of the magnetic field vary with the frequency of the alternating current. Part of the magnetic line of force penetrates the metal charge, and part penetrates the lining material. The polarity, intensity and rate of flux change of the magnetic field, that is, the direction of the magnetic field and the number and density of magnetic field lines, are determined by the intensity of the current passing through the induction coil, the frequency, the number of turns and the geometric size of the coil. The second stage: the alternating magnetic field of the frequency conversion device of the intermediate frequency induction furnace generates induced current A part of the magnetic field line penetrates...
Metals have different melting points. For example, steel melts at 1370 ℃. Therefore, controlling the power consumed by the induction furnace will help you melt the metal at the proper melting point. This will ensure that you produce a quality product. Before buying an induction furnace for sale, make sure you are satisfied with the functionality of the induction melting furnace you choose. Before the production of the newly purchased electric furnace, we need to carry out insulation test on the induction coil to check whether the coil is normal. Before starting your electric furnace, check the furnace body, power supply, hydraulic pressure and cooling system to ensure that there is no problem with the equipment before starting the power supply. The staff in front of the furnace must wear good labor protection equipment. Before the raw materials to be melted are put into the furnace body, the intermediate frequency power of the electric furnace is reduced, and the rated power is gradually increased after the metal raw materials are put into the furnace body. During the smelting process, you must stay focused. The staff should pay attention to the changing condition of the furnace body, and deal with the...
The principle of electromagnetic induction heating is that the induced current overcomes the resistance of the conductor itself and produces Joule heat, which is used to heat the metal itself. It is heated and melted to achieve various purposes of hot processing. The induction heating system of melting furnace consists of induction coil, AC power supply and some workpieces. The advantage of electromagnetic induction heating is that the heat is generated in the workpiece itself, the heating method is fast, so the heating rate is high, the process repeatability is good, and the energy saving is relatively. Because of these advantages, medium frequency induction heating has a wide range of applications. There are the following applications: It is used for hot extrusion and hot rolling of billet before forging to complete the diathermy of billet. Used to melt metals, that is, our melting furnace, mainly smelting black, non-ferrous and rare metals; High temperature sintering tungsten, molybdenum and other refractory metals, as well as powder metallurgy. For the smelting of different metals, because of the different density of metals, the volume of the same mass of metals is different. Therefore, the size of the melting furnace body is different, and the...
Induction furnace in the process of use, the temperature and humidity of the surrounding environment also have an impact on it. If the environment exceeds the standard, light will affect the working efficiency of medium frequency furnace, and serious will lead to some fault problems of electric furnace. Today, Red Teng editor will give you an introduction to the working environment suitable for induction furnace. The altitude environment of the equipment should not be too high, preferably below 1000 meters above sea level. The best working environment temperature can be in the range of -10℃~40℃. Under the standard of 25℃, the relative humidity of the surrounding environment should not exceed 90%. There should be no conductive dust, explosive gas or corrosive gas that can seriously damage metal and insulation around the furnace body, so as to avoid equipment damage or personnel injury. The fluctuation of three-phase power supply is not greater than ±5%. If the fluctuation is large, it is easy to cause the electric furnace failure, and there is a certain risk. About the electric furnace at work, melting process of quality control problems, to share with you. Heat preservation of liquid iron: Heat preservation of liquid iron at...
Melting furnaces are available in different sizes. Induction furnaces usually take up less space and are therefore suitable for foundries of all sizes. You will find the induction furnace capacity choice is very large. The foundry requirements you need to guide the size of the induction furnace you purchase. Control characteristics of melting furnace In addition, the ideal induction furnace for sale will have a temperature control feature that allows you to adjust the furnace’s power supply. Metals have different melting points. For example, steel melts at 1370 ℃. Therefore, controlling the power consumed by the induction furnace will help you melt the metal at the proper melting point. This will ensure that you produce a quality product. Before purchasing an induction furnace for sale, ensure that you are satisfied with the control features of the induction melting furnace for sale. Oxidation loss Ideally, a used induction furnace should have a low oxidation rate. This means less waste is produced in the smelting process, which increases productivity. If the oxidation rate of the induction furnace is high, you will not only produce less equipment, but you will also produce a lower quality product. Furnace shell Induction furnace shell must be...
Induction furnace has a complete operation control measuring device, can implement automatic control. High thermal efficiency, temperature control accuracy can reach ±1℃, can reach more than 95%. The size of the medium frequency furnace can be customized, and users can choose their own furnace according to their own needs. The installation of an intermediate frequency furnace is simple. Customers buy new stoves from manufacturers and install them themselves quickly. There are some tips for the safe operation of intermediate frequency furnaces. The operator shall be familiar with the performance and structure of the machine, and shall abide by the safety and shift transfer system before the operation is allowed. More than two people must operate the IF equipment and designate the person in charge of operation. First check whether the incoming voltage is balanced, the voltage is lower than the specified value, can not start and run. Start two water pumps for cooling cycle of furnace body and electric control cabinet. Observe whether the outlet of circulating water is smooth, and the reading of the water pressure gauge in the control cabinet should be greater than the specified pressure. Before sending power carefully check whether there is short circuit between...
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