Luoyang HongtengIntermediate frequency induction furnace
In the metal heat treatment industry, smelting furnaces are often used exclusively for the treatment of scrap steel. Today, Luoyang Hongteng editor will introduce to you a steel melting furnace with a capacity of 500kg. basic requirements 1. Capacity: 500Kg 2. Melting temperature: 1700℃ 3. Power supply configuration: series resonant intermediate frequency power supply 4. Tilting furnace method: reducer tilting furnace 5. Cooling method: closed cooling tower 6. Melting power: 400Kw 7. Frequency: 1000Hz 8. Power consumption of melting furnace: 550Kwh/T Internal protection 1. Power protection: including main circuit short circuit, phase loss protection, high grid voltage, low protection, high cooling water temperature, low water pressure, low cooling water flow protection, thyristor overvoltage, overcurrent protection, DC through protection, inverter pass-through protection, etc. 2. Limits on the numerical limits of key parameters, such as full power limit; induction coil overvoltage limit; output current limit; frequency limit; semiconductor component turn-off time limit. Furnace body The furnace body of the smelting furnace is composed of steel furnace shell welded by section steel, tilting furnace mechanism of reducer, induction coil, refractory cement, etc. The tilting mechanism adopts a reducer system, and is equipped with position and angle sensors to provide signals to the PLC....
The water cooling system is a very important supporting equipment in the use of the metal smelting furnace. Today we know some information about the water cooling system. The parts that need water cooling are: intermediate frequency power supply (generator set and thyristor frequency conversion device, of which the cooling water for thyristor frequency conversion device needs to be softened), inductors, capacitors, flexible cables, etc. In order to save water, we usually adopt the method of circulating cooling. The cooling water circulation system includes water pump, closed cooling tower, water tank, etc. The importance of the circulating water system: The smelting furnace facility is a high-power power electronic device. Important components such as thyristors, smoothing reactors, capacitors, induction coils, and water-cooled cables all require water cooling. The inner diameter of many cooling pipes is only about 8mm. If the power of the electric furnace is small, only the circulating water pool can be used. For electric furnaces with higher power, the method of circulating water pool and cooling tower should be adopted. When designing, it is necessary to separate the circulating water of the electric furnace and the electric cabinet, because the water temperature of the electric furnace is about...
When the induction furnace is working, it is easy to cause accidents such as splashing due to the presence of moisture on the crucible wall, burying hidden dangers for the personal safety of operators. How to avoid similar dangers from happening? A very common practice is to preheat, and today we will give you a brief introduction. The first is the preheating process. 1. When using an induction furnace, preheat the crucible to about 200°C for 30 minutes without adding material, and dry it for 60 minutes. This is to allow the surface moisture of the crucible to volatilize and prevent bursting in the initial stage of use. 2. After preheating, the crucible should be heated to 900℃-1000℃ (about 2 hours) as soon as possible, keep the temperature for 20-30 minutes, and then return to the temperature when the metal needs to be smelted. This is done so that the crucible can quickly pass through temperature areas prone to oxidation. 3. After each preheating, it is only necessary to keep the electric furnace running. Unless the furnace is stopped or the crucible is damped again, there is no need to preheat again. There are also some inspection notes. 1. Carefully...
Any country will use a large amount of metal materials such as steel when carrying out industrial production and infrastructure construction. Over time, these metal materials experience various wear and tear, such as rusting and scratching. At this time, these metal materials need to be replaced. In fact, we can recycle and reuse the scrap metal that has been replaced. The smelting furnace can help us heat the scraps of scrap steel, melt them into molten steel, and cast them. Turn scrap steel into new castings, rolls or ingots and other workpieces, so as to achieve the purpose of recycling scrap steel. So, what are the specific structure, function and characteristics of the melting furnace? Luoyang Hongteng Xiaobian is here to talk about the melting furnace. The melting furnace is composed of thyristor intermediate frequency power supply, furnace body, heating induction coil, furnace lining material to protect heating coil, cooling circulation device, tilting furnace system, leakage furnace protection system, etc. The melting furnace uses the principle of electromagnetic induction to heat the metal, so that the heat is generated inside the metal itself, which can speed up the melting speed of the metal. And it is very simple to use....
Induction furnace charging is the basis for ensuring the smooth progress of the metal smelting process. If the feeding is unreasonable, it will increase the burning consumption of the metal, which will eventually lead to excessive power consumption and increase the input cost. Therefore, it is very important to know some knowledge about the feeding of induction furnace. The editor of Hongteng will share with you some precautions about feeding. 1.Different metal materials have different performance characteristics. For the charge with low density and low melting point, larger blocks, such as aluminum, can be used. Charges with high density and high melting point, such as ferro-tungsten, ferro-molybdenum, micro-carbon ferro-chromium, etc., must be broken into smaller pieces. 2.The size and frequency of the furnace body determine the size of the smelting material. Low-frequency, large-capacity furnaces can use large pieces of charge. Higher frequency, smaller capacity furnaces require the use of smaller chunks. 3.When feeding, try to ensure that the upper part is loose and the lower part is compact. When the upper metal bulk density is small, it is helpful for the downward smelting material, which can speed up the smelting speed of the metal and ensure stable heating efficiency. 4.When...
As a good equipment for melting metal in the foundry industry, induction furnaces have solved many problems for many users. However, few users know that the temperature and humidity of the surrounding environment also affect the induction furnace in the process of using it. If the environment exceeds the standard, it will affect the working efficiency of the intermediate frequency furnace in light, and cause some failure problems in the electric furnace in serious cases. Today, the editor of Hongteng will introduce to you, those working environments suitable for induction furnaces. 1. The altitude environment where the equipment works should not be too high, preferably below 1000 meters above sea level. 2. The best working environment temperature of the equipment should be in the range of +5℃~40℃. 3. Under the standard of 25℃, the relative humidity of the surrounding environment shall not exceed 90%. 4. There should be no conductive dust, explosive gas and corrosive gas that can seriously damage metal and insulation around the furnace body, so as to avoid equipment damage or personal injury. 5. The fluctuation of the three-phase power supply is not more than ±5%. If the fluctuation is large, it will easily lead to the...
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