Luoyang HongtengIntermediate frequency induction furnace
When the user smelts metal and needs to buy a new smelting furnace. We would recommend users to choose our induction stove. There are mainly the following considerations. Environmental friendly Using other furnaces produces a lot of waste, such as dust and pollutants, which can diffuse into the atmosphere. These wastes are often difficult to dispose of and are also harmful to the environment. But that’s not the case with induction stoves, and if you care about the environment, induction stoves are ideal for you. Oxidation Our coreless induction melting furnaces will provide you with low levels of oxidation during the melting process. A lower oxidation rate during melting means you’ll get a higher yield, which increases your productivity. Therefore, the oxidation rate must always be checked when purchasing an industrial furnace. customizable size Industrial induction furnaces have a custom induction heating coil to suit different operating levels. These furnaces come in different sizes, the smallest of which usually require small refraction of the material. If your business is small, it is advisable to buy a small induction stove. We can determine your final selection based on your expected production scale. Improve productivity Induction heating coils heat induction furnaces in...
Aluminum is the most abundant metal in the earth’s crust, and there are many places where aluminum is used in our lives. We can generally obtain aluminum by electrolysis. Another method is to smelt scrap aluminum by purchasing an induction melting furnace. The molten aluminum melted in the smelting furnace is recast into aluminum ingots, which are finally made into the products we need. How does a new aluminum melting furnace work? Earlier we talked about the heating principle of the induction furnace. When current flows through the induction coil, a magnetic field is formed. Applying alternating current through this coil will cause the magnetic field to change direction at the same rate as the frequency of the alternating current. When the aluminum charge is added, Faraday’s law takes over. The induced voltage will cause a current to flow through the material in the magnetic field. When current flows through the material, the movement of electrons is resisted. Materials that are more resistant to the flow of electrons emit more heat when current flows through them. Induction heat is generated in the material of the product by means of an electric current. The heat from the surface of the product...
Crucible is a component that is often used in induction furnaces when smelting metals. In addition to being used to hold molten metal for smelting, the crucible also plays the role of heat insulation, insulation and energy transfer. Common intermediate frequency furnace crucibles mainly include alkaline crucibles, acid crucibles, and neutral crucibles. Today, the editor of Hongteng will introduce to you the advantages and disadvantages of acid crucibles. Advantage: 1. The acid slag has high viscosity, low air permeability and good isolation effect on the atmosphere. The amount of hydrogen and nitrogen absorbed by molten steel from the atmosphere is small, and the gas content in the final product is low. 2. The inclusions in the acid crucible steel are mainly silicates, and there are almost no aluminates inclusions. The former has a low melting point and is easily removed by polymerization. Therefore, the brittle inclusions of the steel smelted by the acid crucible are less and the purity is high. 3. There are few silicate inclusions in molten steel, and there are few high melting point inclusions. In addition, the silicon content in the molten steel is relatively high, and the fluidity of the molten steel is good. Therefore,...
As the main equipment of the forging industry and the foundry industry, the electric furnace has some points that need to be paid attention to in its daily use. Today, the editor of Hongteng will share with you the knowledge about the use of the electric furnace. First of all, when installing the electric furnace, it is necessary to standardize the connection between the transformer, the intermediate frequency power supply, and the intermediate frequency electric furnace, and select cables of suitable materials. Especially for induction coils and water-cooled cables, increasing their cross-sectional area can effectively reduce current heat loss. The intermediate frequency electric furnace can use a special rectifier transformer to increase the supply voltage and limit the no-load operation of the transformer. Select the appropriate capacity and frequency medium frequency electric furnace according to the casting process, increase the power density to improve the melting efficiency and reduce the additional loss. Regarding the material of the furnace body, you can choose according to your actual situation. If your output is relatively large, we will recommend that you choose the steel shell furnace body first to reduce the heat loss and electromagnetic loss of the furnace wall and furnace mouth....
When the electric furnace is working, not only the temperature in the furnace is high and the change is large, but also it is subjected to strong electromagnetic stirring and the impact of the charging charge, which will cause the lining of the electric furnace to be easily damaged. Therefore, the quality of the lining of the induction furnace directly determines the life of the furnace, which will ultimately affect the production capacity of the entire production line. We previously had an article “Construction Method of Knotted Material for Intermediate Frequency Furnace”, which once introduced the knowledge of knotting of furnace lining to you. Today, let’s expand it and share some knowledge about furnace lining sintering. After the furnace lining is finished, the furnace and sintering process can be carried out. The purpose is to fully remove the moisture in the furnace lining, so that the silica sand is fully and uniformly transformed, and finally sintered at high temperature into a dense ceramic surface with high strength. When baking and sintering, we need to pay attention to the following items: Before the oven, a detailed inspection of the water cooling system, tilting system, control loop and various markings should be...
As a commonly used heating equipment, the intermediate frequency electric furnace has a problem that many users have to consider when using it. That is how to adjust the heating speed of the electric furnace. In response to this problem, we have summarized some knowledge and experience here, and shared with you today. From the analysis of the design of the electric furnace, the heating speed is determined by the heating power of the intermediate frequency furnace, the material of the heating blank and the heating temperature. After these factors are determined, the heating speed of the intermediate frequency furnace is also determined. Therefore, theoretically speaking, the heating speed of the intermediate frequency furnace is fixed, and what will affect the heating speed of the electric furnace at this time is the power output of the electric furnace. In the normal use of the intermediate frequency furnace, the factors that affect the power output of the intermediate frequency furnace, and then affect the speed or heating speed of the intermediate frequency furnace are as follows: (1) The rectifier circuit part of the intermediate frequency furnace is not adjusted properly, the DC voltage does not reach the maximum value, the rectifier...
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