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What are the operating procedures and characteristics of the power of the intermediate frequency induction furnace?

by:Kehua     2022-07-20
What are the operating procedures and characteristics of the power of the intermediate frequency induction furnace? Today, Kehua will introduce to you what to pay attention to in the operation of the power of the intermediate frequency induction furnace, and we must have a familiar person with us when we learn this, or you can go to the relevant training institutions. 1. Operating procedures of the intermediate frequency induction furnace 1. Before starting the furnace, the operator of the intermediate frequency unit should be notified to start the unit, and at the same time, check whether the furnace body, cooling water system, intermediate frequency power switch, furnace tilting machine and running track of the lifting bag are normal, and the trench cover should be checked. Whether the board is missing, cover it. If there is a problem, it should be eliminated first before the furnace can be opened. 2. After the intermediate frequency unit is started, the furnace can be powered on. 3. When opening the furnace, the charge should be put into the furnace first, and the cooling water should be opened before closing the intermediate frequency power switch. When the furnace is stopped, the intermediate frequency unit can be notified to stop after the intermediate frequency power supply is disconnected. Cooling water should continue for 15 minutes. Intermediate frequency induction furnace power 4. The charge shall not be mixed with airtight containers, pipes or other explosives. The charge must be dry and free of water or ice or snow. When charging the charge, it is not allowed to hit it hard with a hammer, and it should be lightly placed and tapped to avoid damage to the furnace. When the burning loss of the furnace exceeds the specified limit, the furnace should be stopped for repair. 5. The tool should be placed in the designated place, and it should be baked and dried before use. 6. When smelting alloy steel and adding alloy materials, it should be clamped with pliers after preheating, slowly and in batches, and the operator's face should avoid the furnace mouth when adding. 7. When the molten steel is poured into the ladle by tilting the furnace body, the power should be cut off first, and then the machine should be slowly poured. The ladle must be baked to dry. There should be no stagnant water in the pit in front of the furnace. 8. When taking the sample, pay attention to the surrounding people, so as not to burn the steel flower. 9. When the electrical circuit is faulty, it should be repaired in time. When checking trenches, induction coils, cooling water pipes and other electrical appliances, be careful to prevent yourself and others from getting electric shock. 10. The speed of lifting and transporting the ladle should not be too fast, and the molten steel should not be overfilled (it should be at a certain distance from the edge of the ladle). If pouring with hand ladle, they should cooperate with each other when walking, do not rush to stop. If molten steel is spilled, put it down firmly and do not throw the bag. 11. When it is found that the water is stopped, the furnace is leaking, the insulation layer of the induction coil is broken and water is leaking, the furnace should be stopped immediately for maintenance. 12. When dismantling the intermediate frequency furnace of more than half a ton, it is necessary to take care of it from top to bottom and cooperate with each other. There must be a special person to guide when dismantling and assembling. 13. After the furnace is stopped, the main power switch must be cut off. Leave after closing the water valve. Intermediate frequency induction furnace power 2. Features of series melting furnaces (1) High melting efficiency, good power saving effect, compact structure and strong overload capacity. (2) The temperature around the furnace is low, the smoke and dust are less, and the working environment is good. (3) The operation process is simple and the smelting operation is reliable. (4) The metal composition is uniform. (5) The melting temperature is fast, the furnace temperature is easy to control, and the production efficiency is high. (6) The furnace utilization rate is high and the variety is convenient to change. (7) The long arc-shaped yoke shields magnetic flux leakage and reduces external magnetic resistance, shields the magnetic flux leakage at both ends of the coil, and the inner side of the yoke with an arc-shaped cross-section is seamlessly close to the outer wall, which increases the effective magnetic permeability area and makes the coil Got better support. The unique positive and negative rotation coil greatly improves the efficiency of the system. The series of diathermy furnaces feature fast heating speed, high production efficiency, less oxidation and decarbonization, saving material and forging die costs. Since the principle of medium frequency induction heating is electromagnetic induction, the heat is generated in the workpiece itself. The continuous work of the forging task can be carried out in minutes, without the need for professional furnace workers to burn and seal the furnace in advance. There is no need to worry about the waste of heated billets due to power outages or equipment failures. Due to the fast heating rate of this heating method, there is very little oxidation. Compared with coal-fired furnaces, each ton of forgings saves at least 20-50 kilograms of steel raw materials, and its material utilization rate can reach 95%. Because the heating method heats evenly and the temperature difference between the core surface is extremely small, the life of the forging die is greatly increased in forging, and the surface roughness of the forging is also less than 50um. Superior working environment, improve workers' labor environment and company image, non-polluting, low-energy induction heating furnace Compared with coal furnaces, workers will no longer be roasted and smoked by coal furnaces under the scorching sun, and can reach environmental protection departments. The requirements of various indicators, and at the same time establish the company's external image and the future development trend of the forging industry. Induction heating is the most energy-saving heating method in electric heating furnaces. The power consumption of a ton of forgings heated from room temperature to 1100 ℃ is less than 360 degrees. The heating is uniform, the temperature difference between the core surface is extremely small, and the temperature control accuracy is high. The application of temperature control system can realize precise control of temperature and improve product quality and qualification rate. The medium frequency induction furnace heating device has the advantages of small size, light weight, high efficiency, excellent thermal processing quality and favorable environment. It is rapidly eliminating coal-fired furnaces, gas furnaces, oil furnaces and ordinary resistance furnaces. The intermediate frequency furnace is the main equipment of the casting, forging and heat treatment workshop. The stability, reliability and safety of its work are the guarantee for the normal and stable operation of the casting, forging and heat treatment production line in the flow operation. The above is the introduction of the power of the intermediate frequency induction furnace, I hope you can learn it. Generally, this is taught in vocational schools, and usually there are work assignments after completion of the studies. That's it for Kehua's introduction today.
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