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Do you know how to calculate the power of the intermediate frequency furnace

by:Kehua     2022-08-06
In the field of industrial production, we will see all kinds of boilers, such as high temperature furnaces, intermediate frequency furnaces, etc. There are certain differences in the power of each type of boiler, so how to calculate its power is a big problem. If you don't know how to calculate the power of the intermediate frequency furnace, you might as well follow the editor to see the following. How to calculate the power of the intermediate frequency furnace? u003d Workpiece weight (kg) Tu003d Heating temperature (℃) tu003d Time (S) ηu003d Heating efficiency (0.6) 2. Calculation of quenching power of intermediate frequency furnace Pu003d(1.5—2.5)×S 2.1 Su003d Workpiece area to be quenched (square centimeter) 3. Calculation of smelting power of intermediate frequency furnace Pu003dT/2 Tu003d capacity of electric furnace (T) 4. Calculation of frequency of intermediate frequency electric furnace δu003d4500/d2 4500u003dcoefficient du003dworkpiece radius intermediate frequency furnace power Working principle of intermediate frequency furnace The intermediate frequency furnace is mainly composed of a power supply, an induction coil and a crucible made of refractory materials in the induction coil. The crucible is filled with metal charge, which is equivalent to the secondary winding of the transformer. When the induction coil is connected to the AC power supply, an alternating magnetic field is generated in the induction coil, and its magnetic lines of force cut the metal charge in the crucible, and an induced electromotive force is generated in the charge. Since the charge itself forms a closed loop, the secondary winding is characterized by only one turn and is closed. Therefore, an induced current is generated in the charge at the same time, and when the induced current passes through the charge, the charge is heated to promote its melting. The intermediate frequency electric furnace uses the intermediate frequency power supply to establish an intermediate frequency magnetic field, so that the induced eddy current is generated inside the ferromagnetic material and generates heat, so as to achieve the purpose of heating the material. The intermediate frequency electric furnace adopts 200-2500Hz intermediate frequency power supply for induction heating, smelting and heat preservation. The intermediate frequency electric furnace is mainly used for smelting carbon steel, alloy steel, special steel, and can also be used for smelting and heating of non-ferrous metals such as copper and aluminum. The equipment is small in size and light in weight. Light, high efficiency, low power consumption, fast melting and heating, easy control of furnace temperature, and high production efficiency. Safe operation of the intermediate frequency furnace 1. Precautions before opening the furnace Before opening the furnace, the intermediate frequency electric furnace must check the electrical equipment, water cooling system, inductor copper pipes, etc., and the furnace can only be opened when these equipment are in good condition. , to ensure the safety of heat treatment, otherwise it is forbidden to open the furnace; determine the personnel responsible for power transmission and furnace opening, and the responsible personnel shall not leave their posts without authorization, and the external conditions of the inductor and the crucible must be supervised during work to prevent someone from sending Touching the sensor and cable after electricity will affect the normal operation of the intermediate frequency electric furnace or cause a safety accident. 2. Precautions after opening the furnace After the intermediate frequency electric furnace is opened, when charging, the charge should be checked to avoid mixing inflammable and explosive and other harmful substances. In order to prevent the phenomenon of capping, it is strictly forbidden to directly add cold material and wet material to the molten steel, and do not add large blocks after the molten liquid is filled to the upper part; in order to avoid explosion accidents, it is necessary to ensure that the pouring site and furnace There is no stagnant water and no obstacles in the front pit; two people are required to cooperate with each other when pouring, and the remaining molten steel can only be poured at the designated location, and cannot be poured everywhere. 3. Precautions for maintenance When maintaining the intermediate frequency electric furnace, the interior of the intermediate frequency generator room should be kept clean, and the stacking of inflammable and explosive items is strictly prohibited. Repair the furnace with excessive melting damage in time, avoid mixing iron filings and iron oxides when repairing the furnace, and ensure the compactness of the crucible. After reading this, you must have already understood the power calculation of the intermediate frequency furnace. Since the intermediate frequency furnace is divided into intermediate frequency heating furnace, intermediate frequency electric furnace and other types, the calculation of its power is also different. In addition, if you need to use an intermediate frequency furnace for your work, the editor recommends you to buy from Kehua company, mainly because Kehua has strong professionalism and good reputation in this area.
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