Xiangtan iron and steel medium frequency furnace

by:Hengyang Furnace     2020-10-24
Xiangtan iron and steel, medium frequency furnace technology encyclopedia my company a new steel plant, three sets of intermediate frequency furnace capacity is 6000 kw, a: if it is 60000 kw, single is 20000 kw, you should be 15 tons of intermediate frequency furnace, do you? Such a great power to choose 10 kv power supply has not been too economic, bus need very thick, recommended 35 kv power supply. 10000 kva / 10 kv / 1 kv of primary side current is 577 a, 500 metres, bus minimum 500 was chosen, the ideal value of 630 mm, so much high voltage. Failure 1 failure phenomenon: intermediate frequency furnace large dc current when starting, low voltage dc voltage and frequency and over-current protection device and start the deep voice. Analysis: there is a bridge inverter bridge arm of the thyristor may cause short circuit or open circuit inverter bridge running three arm bridge. Oscilloscope were observed four bridge inverter bridge thyristor (tube voltage waveform on the arm of the if there is a bridge. What are the requirements for raw materials answer: medium frequency furnace smelting with raw materials including steel raw materials and intermediate frequency furnace smelting ferroalloy, intermediate alloy, pure metal, special additive and slagging materials. As a result of the intermediate frequency furnace refining capacity is limited, small process flexibility, smelting quality requirements higher, make its demand for raw materials strict than electric arc furnace. Choose the qualified raw materials for the metallurgy quality control of intermediate frequency furnace is very important. Can intermediate frequency electric furnace smelting tin a: theory, but not the economy is not very reasonable; The melting point of tin is very low, A steel) , intermediate frequency smelting furnace is suitable for two or more times, ore, and tin smelting generally from ore, will be use induction furnace, I feel power frequency can also, like zinc smelting. Like domestic return true have intermediate frequency smelting tin, but very few. I want to smelting iron and steel, with high frequency furnace and intermediate frequency furnace is good? Advantages and disadvantages, a: high frequency melting furnace is mainly a small metal smelting, high volume or a number of intermediate frequency furnace, you can go to yongkang jump dragon electronic look, they are made of smelting equipment professional manufacturers. Hello I of intermediate frequency furnace smelting carbon steel but I just carbon common high my answer: in iron and steel materials, it is because you still don't know, how many ingredients you don't understand what material containing, nearby consult others more, ok see more material, steel making love to drink, but not with wine knowledge. When using medium frequency furnace smelting steel excess carbon, silicon to exceed bid, how come down? Answer: 1) To reduce the content of raw materials ( If it is appropriate to add some content low pure iron) ; 2) Appropriate increase of smelting time, during which increases oxygen waft. Intermediate frequency furnace smelting how DNA xiangtan steel medium frequency furnace answer: you ask is the steel-making deoxidizing: directly deoxidizing agent: general for ferroalloy, such as ferromanganese, ferrosilicon, aluminum, iron, silicon manganese alloy, etc. Directly into the molten steel in the diffusion deoxidation method: to slag adding carbon powder, ferrosilicon powder, aluminum powder and other deoxidizer vacuum deaeration: the liquid steel under vacuum conditions, by reducing the CO gas partial pressure to achieve the goal of DNA. Failure 1 failure phenomenon: intermediate frequency furnace large dc current when starting, low voltage dc voltage and frequency and over-current protection device and start the deep voice. Analysis: there is a bridge inverter bridge arm of the thyristor may cause short circuit or open circuit inverter bridge running three arm bridge. Oscilloscope were observed four bridge inverter bridge thyristor (tube voltage waveform on the arm of the if there is a bridge. The difference between the intermediate frequency furnace and electroslag remelting answer: medium frequency furnace is induction heating, the electroslag remelting is resistive heating. Yu Taozao alloy material is commonly used in the former, the latter is used for refining steel, more can be done dozens of tons of electroslag furnace, intermediate frequency furnace generally don't have that much, rarely more than 10 tons of intermediate frequency furnace. Xiangtan iron and steel, medium frequency furnace with emergency technical data, 3 tons of intermediate frequency furnace for 2000 was declared obsolete by formal decree of the state of xiangtan iron and steel medium frequency furnace answer: medium frequency furnace is electric furnace main but the iron and steel industry with electric arc furnace and induction furnace, intermediate frequency furnace is induction furnace electric furnace in the case of an electric arc furnace, though a little bit more. What is the intermediate frequency electric furnace answer: refers to the heating furnace for steel ( There are technological process of intermediate frequency heating purposes) , used [heating mode is: Intermediate frequency] Frequency ( Probably in KHZ range), Electromagnetic field of eddy current heating furnace in the raw material, steel raw materials in the alternating magnetic field will produce very big 'vortexing' by cutting lines of magnetic force current, then fever, even melting. Due to electronic technology. Intermediate frequency furnace and lf refining furnace answer: whether can be used in steel production is not technology within the scope permitted by the nation, and there will be no competitive, unless your area electricity is very low, in 03 yuan/degrees, or to loss. Medium frequency furnace melting copper can use iron crucible? A: xiangtan iron and steel, medium frequency furnace melting point of 10834-02 ℃, boiling point 2567 ℃. Pure iron melting point of 1535 degrees, the boiling point of 2750 degrees.
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