Luoyang HongtengIntermediate frequency induction furnace
After reading our previous articles, I believe that everyone has a basic understanding of induction furnaces. Induction furnace is an induction heating equipment used to heat metal, because it uses a power supply device that converts power frequency 50HZ alternating current into intermediate frequency (300HZ or more to 10000 HZ), so it is also called intermediate frequency furnace. So, how does the intermediate frequency induction furnace convert electrical energy into heat energy to heat the metal during the heating process? In theory, the intermediate frequency induction furnace heating process includes three stages. The first stage: the alternating current of the intermediate frequency induction furnace frequency conversion device generates an alternating magnetic field When the alternating frequency current of the intermediate frequency induction furnace passes through the spiral induction coil, a magnetic field is generated in and around the space surrounded by the coil. The polarity and strength of the magnetic field varies with the frequency of the alternating current. Part of the magnetic line penetrates the metal charge, and part of it penetrates the lining material. The polarity, strength, and rate of change of magnetic flux, that is, the direction of the magnetic field and the number and density of...
Induction melting furnace Melting steel is one of the uses of induction furnaces. Steel melting induction furnaces are used for melting and making alloys from a range of metals. Melt losses are minimal, as is the refining of metals. A coreless furnace is an induction furnace. Induction heating is a way of transferring energy from heat. Frequency Range In induction melting, frequencies range from 50 cycles per second (called mains frequency) to 10,000 cycles per second (called high frequency). Higher frequencies increase the maximum power available in the furnace and reduce turbulence. The crucible is formed when the granular refractory material is pushed between the coil and the hollow former. This melts with the initial heating, forming the sintered lining. The mains voltage and frequency are converted by the power cabinet; this conversion is necessary for electrofusion. coreless furnace The coil is a highly durable, highly conductive hollow tube made of copper in a spiral shape. Coils are the operating heart of the coreless furnace for steel melting. The coil steel case maintains the shape of the coil, and the support case is prevented from heating by magnetic shielding. The copper pipes are cooled with water, which is recirculated to...
Today we will introduce to you what you need to pay attention to after purchasing a new melting furnace. Check the surface of the copper bar Copper bars are used in the circuit system of the intermediate frequency smelting furnace to transmit current and connect electrical equipment. In the purchase process of the intermediate frequency melting furnace, be sure to observe the color of the copper bar to see if it has been plated. If it is the primary color of red copper, you must be cautious, because generally regular power equipment will white-plate the copper bar or better silver-plated because the copper material is easier to oxidize. Tin or nickel plating is also present. If the copper bar is oxidized, the contact resistance will increase, resulting in an increase in power consumption. Manufacturers save costs, but let careless buyers pay for their greed for a long time in the process of use. Observe the aluminum shell capacitor model Needless to say about the importance of capacitors, in addition to checking the aluminum bar, observing the quality of aluminum shell capacitors is also an important matter when purchasing an intermediate frequency melting furnace. In general, you can distinguish the quality...
Induction furnace is a commonly used heating furnace in mechanical thermal processing, which is usually used for casting heating, forging heating and metal quenching and tempering heating. The shape and structure of induction furnaces are different, and they are non-standard heating equipment, but they all use the principle of electromagnetic induction heating to heat metals. How should we distinguish induction furnaces? Luoyang Hongteng editor to introduce the classification of induction furnaces. 1. Induction furnaces are classified according to their use: 1. The induction furnace is used for forging heating, pre-forging heating or metal quenching and tempering. The general heating temperature is 100 degrees — 1250 degrees. a. In the forging industry, it is usually called intermediate frequency furnace, intermediate frequency electric furnace, diathermy furnace, intermediate frequency heating furnace, forging heating furnace or induction heating furnace; in metal quenching and tempering heating, it is usually called quenching furnace, annealing furnace or quenching and tempering furnace: b. The heating structure of the induction furnace body is divided into overall heating, local heating, quenching or tempering heating, and quenching and tempering production lines. c. Induction furnaces are divided into bar heating furnaces, steel plate heating furnaces, steel tube heating furnaces, long bar continuous...
The main function of the induction furnace is to make steel. The development of induction furnaces is therefore good news for small steel producers. The induction furnace is mainly composed of a crucible, an induction coil, a casing, a cooling system and a tilting mechanism. The crucible is made of refractory material, and the furnace plate is lined with refractory material. The crucible holds the charge and subsequently the melt. The choice of refractory material depends on the type of charge and basically consists of acidic, basic or neutral refractory materials. These furnaces are easy to install, operate and maintain. These furnaces have smaller thermal dimensions and lower investment costs, making them the first choice for steel mills with lower capacity. In these furnaces, steel is produced by melting the charge using the heat generated by an electromagnetic field. The enclosure is the outside of the furnace. This houses the crucible and induction coil and has a higher heat capacity. It is made of cuboids and mild steel plates and is joined at the corners by non-magnetic metal corner pieces and edge carriers of the strips. Raw materials and energy Scrap, DRI pig iron, cast iron are input raw materials...
In the metal handling industry, when you’re planning to invest in your next project, you want to make sure you’re buying the right product. There are many different metal heating appliances on the market, and a large number of suppliers do not always clearly communicate their prices and products. To select them is not always an easy process. Today, Hongteng editors come to give you some suggestions. Hopefully these tips will help you find the right induction furnace for you. The first thing to do is to decide on a budget. Your budget is the most important part of all aspects of your business, from marketing to security. Therefore, you need to make a good budget before making a big purchase. Not only can an accurate budget help you eliminate unrealistic choices, it can also help you understand any issues that may arise as you prepare for your next project. For example, did you know that the frequencies used in induction melting can vary between 50 cycles per second (mains frequency) and 10,000 cycles per second? Those on a higher budget may need to find an induction stove that can handle higher frequencies. However, those on a budget may still...
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