Luoyang HongtengIntermediate frequency induction furnace
When we use the electric furnace, the water cooling system is an important part of the whole set of equipment. There are three common layouts of circulating water: Open water cooling tower + pool, Open water cooling tower + plate change + pool, Closed water cooling tower, today Hongteng The editor will introduce the advantages and disadvantages of these three water circulation methods for you. 1. Open water cooling tower + pool The cooling principle is to use the complete contact between the circulating water and the air to reduce the temperature of the remaining circulating water through convection heat exchange and evaporation, and then fall into the lower pool. This method is the simplest, and the initial investment is relatively small, but because of the need for a pool, the overall layout of the entire plant covers a large area. Moreover, in the process of heat exchange between circulating water and air, various impurities in the air will be mixed into the circulating water. Due to the evaporation of the pool, the concentration of impurities will be concentrated. In addition, algae and bacteria will grow on the wall of the pool, which will easily cause scaling of the pipeline....
In the metal thermal processing industry, the induction furnace has the characteristics of fast heating speed, uniform heating temperature, energy saving and environmental protection in the process, and is a very suitable electric furnace equipment for users. When users choose an induction furnace, there are some parameter choices that need to be understood in advance. Xiaobian from Luoyang Hongteng will introduce the selection of induction furnace parameters. 1. Determine the material of the heated metal Induction furnace is a metal heating equipment, which can be used for steel, iron, gold, silver, alloy copper, alloy aluminum, stainless steel and other metal materials. The heating process of various metal materials is different, so when determining the parameters of the induction furnace, it is first necessary to determine the material of the metal to be heated. 2. Determine the heating temperature of the heated metal material For the induction furnace, the most important parameter is the heating temperature. The heating temperature is different for different heating purposes. The appropriate heating temperature should be selected according to the heating process requirements. For example, the heating temperature for forging is generally 1200 °C, the heating temperature for heat treatment and tempering is 450 °C–1100 °C,...
In the process of using the induction furnace, it is normal for faults to occur. Correct methods should be used for the judgment and maintenance of faults, which can shorten the maintenance time of the equipment and minimize the impact of equipment failures on production. Therefore, it is necessary for maintenance personnel to constantly sum up experience in peacetime, be diligent in observation, and at the same time master some maintenance skills. Today we will introduce some maintenance skills related to induction furnace failures. First, we need to understand the reasons for the failure of induction furnaces. The best way is to ask the on-site staff, including asking about the fault status of the smelting furnace, including the changes of environmental factors before and after the fault occurs, such as abnormal fluctuations in the switching power supply, load changes, etc. According to the failure description of the melting furnace by the on-site personnel, analyze the reasons that may cause such failures, check the components that may cause the failure, analyze the feasibility of maintenance and repair, and formulate maintenance procedures for the furnace. According to the parts of the damaged induction furnace components, according to the principle of the power...
Induction furnace is a modern smelting equipment, which can achieve rapid heating and heating using the principle of electromagnetic induction heating. And the method of use is also very convenient, so it occupies a place in many smelting equipment. However, when many manufacturers use the intermediate frequency furnace, occasionally the capacitor will burn out. Today, the editor of Hongteng will analyze for you, what are the reasons for the burnout of the induction furnace capacitor? During the use of the induction furnace, if the electric heating capacitor generates heat and smoke, the first thing to check is whether the capacitor has the phenomenon that the cathode is grounded. This phenomenon is generally caused by the breakdown of the capacitor shell caused by poor insulation of the electric heating capacitor. If such phenomenon occurs, the insulation of the capacitor cabinet should be reprocessed. In order to prevent the electric heating capacitor from heating and burning out, the general melting furnace equipment has a cooling system. However, the long-term use of the furnace may cause scale to form in the cooling pipe of the capacitive screen, or the cooling water inlet system may be blocked by debris, which will cause the electric...
In the previous article, we said that the heating principle of the intermediate frequency melting furnace is electromagnetic induction heating. Some friends are very interested in this. Today we will introduce the heating principle of the melting furnace in detail. The method of electromagnetic induction heating is that when the magnetic flux surrounded by the conductor loop changes, an induced potential will be generated in the loop. Similarly, the conductor in the alternating magnetic field will also generate an induced potential under the action of electromagnetic induction. An induced current (eddy current) is formed in the conductor, and the induced current overcomes the resistance of the conductor itself to generate Joule heat. This heat is used to heat the conductor itself to heat up and melt, so as to achieve various thermal processing purposes. Therefore, the basic components of the induction heating system of the melting furnace include induction coils, AC power sources and some workpieces. The coil is connected to the power supply, the power supply provides alternating current for the coil, and the alternating current flowing through the coil generates an alternating magnetic field passing through the workpiece, and the magnetic field causes the workpiece to generate eddy...
As an equipment for casting and hot processing of metals, the melting furnace consists of several parts, such as frequency conversion device, furnace body and furnace control. Its working principle is to convert the three-phase power frequency alternating current into direct current, and then convert the output of the inverter circuit into a single-phase intermediate frequency alternating current, and realize the heat treatment of the metal according to the principle of electromagnetic induction. In order to ensure that the smelting furnace can work efficiently and safely, it is necessary to carry out standardized operation. Today, Hongteng editor will introduce three details about the standardized operation of the smelting furnace. 1. Precautions before opening the furnace The smelting furnace must be inspected for electrical equipment, water cooling system, inductor copper pipes, etc. before the furnace is opened. The furnace can only be opened when these equipments are in good condition to ensure the safety of heat treatment. Determine the person responsible for sending electricity and opening the furnace, and the person in charge shall not leave the post without authorization. During the work, the external conditions of the inductor and the crucible must be supervised to prevent someone from touching the...
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