The practice of intermediate frequency furnace capacity 250 cast iron smelting

by:Hengyang Furnace     2020-10-07
The practice of intermediate frequency furnace capacity 250 cast iron smelting technology is an intermediate frequency furnace smelting grey cast iron is what demand for steel scrap answer: we are foundry, with medium frequency furnace hot metal. To scrap, we require composition is stable, single, generally do not use the alloy steel ( High manganese steel, chrome steel, etc. ) Waste, or composition control difficult. Scrap steel surface coating is not permitted in ( Oil, paint, etc. ) , not a closed tube, or refining process prone to danger. Water-based graphite should be on your scrap. Using medium frequency furnace melting HT200 gave birth to the high silicon cast iron how to handle a: add some scrap, carburant. The casting wall thickness? Carbon content is a little low. Add scrap iron and low grade of raw material can be, but cost is a bit high. To ask: medium frequency furnace refining gray cast iron scrap and recarburizer only, do not add a: this is no special requirements, plus a lot of pig iron to produce materials to the bad, the quality of the produced no, you are now using what kind of recarburizer. Why will be more and more small medium frequency furnace smelting grey cast iron stove? Answer: everyone else is using the bigger, you have to do, either slag stick to a furnace wall, not clear, ha, ha, ha. The difference between cast iron and cast steel medium frequency furnace maintenance of intermediate frequency furnace capacity 250 cast iron smelting practice answer: raw iron hard and brittle, lack of toughness, carbon content 211% 667% more iron carbon alloy and nonferrous impurities. Cast iron is more than 21% of the iron carbon carbon alloy, it is to cast iron ( Part of pig iron for steel making) To melt in the furnace, and adding ferroalloys, scrap steel, foundry return the components to adjust. With cast iron cast iron is the difference between secondary processing, processing into a mostly. The capacity of 20 tons of intermediate frequency furnace steelmaking how to improve the quartz sand medium frequency furnace lining life let 250 cast iron smelting practice answer: in the furnace temperature below 1700 degrees. 250 what do you mean a: cast iron materials grey label should be HT250, this is gb code, the actual content is grey iron, 250, on behalf of the tensile strength of 250 grey cast iron. What is the difference between refining furnace and intermediate frequency furnace? A: is cross section is round of ironmaking blast furnace shaft furnace. With steel furnace shell, shell build by laying bricks or stones firebrick lining. Blast furnace body from top to bottom is divided into furnace throat, furnace body, furnace waist, bosh, hearth five parts. The main products are pig iron blast furnace. Converter is refers to the furnace body can rotate for blown steel or converting matte smelting furnace. Converter furnace with steel plate, cylindrical, lining refractory materials. Used to cast copper medium frequency furnace and power frequency furnace have why to distinguish? A: intermediate frequency furnace and power frequency furnace has the following main difference: 1, intermediate frequency furnace power density is larger, high productivity, namely under the same stirring power, the same capacity, intermediate frequency furnace can be input 3 times the power frequency furnace power, in other words, the same power medium frequency furnace crucible size was only about a third of the power frequency furnace crucible size in large oven, because of the influence of the sensor wire Qing current and voltage. What type a: cast iron H250 H250 about HB230 - just iron hardness number 280 is HT250 gray cast iron, the minimum tensile strength of 250 mpa, belongs to the high strength gray cast iron, strength, wear resistance, heat resistance are good, good vibration also is better. Better castability, need to artificial aging. Is used in the manufacture of the parts under high stress demands some air tightness and weak corrosive medium. The practice of intermediate frequency furnace capacity 250 cast iron smelting technical data medium frequency furnace refining furnace blast furnace converter is what meaning, how to distinguish? The practice of intermediate frequency furnace capacity 250 cast iron smelting answer: is cross section is round of ironmaking blast furnace shaft furnace. With steel furnace shell, shell build by laying bricks or stones firebrick lining. Blast furnace body from top to bottom is divided into furnace throat, furnace body, furnace waist, bosh, hearth five parts. The main products are pig iron blast furnace. Converter is refers to the furnace body can rotate for blown steel or converting matte smelting furnace. Converter furnace with steel plate, cylindrical, lining refractory materials. Can intermediate frequency furnace smelting glass medium frequency furnace capacity 250 cast iron smelting practice answer: glass conductive not easily, so you cannot induction heating; Can compare the principle of induction cooker pot, using medium frequency furnace heating metal container, recycling heat to melting glass container, this is just a idea, I also have not seen, heard, for reference only. 25 tons of intermediate frequency furnace transformer much intermediate frequency furnace capacity 250 cast iron smelting practice answer: 25 tons of intermediate frequency furnace need 12000 kw transformer, the input voltage of 100000 v, output voltage 1250 v. H the xia 250 cast iron hardness is how many intermediate frequency furnace capacity 250 cast iron smelting practice answer: H250 about HB230 - just iron hardness grade 280 is HT250 gray cast iron, the minimum tensile strength of 250 mpa, belongs to the high strength gray cast iron, strength, wear resistance, heat resistance are good, good vibration also is better. Better castability, need to artificial aging. Is used in the manufacture of the parts under high stress demands some air tightness and weak corrosive medium. HT250 cast iron and nodular cast iron QT400 which good answer: should be iron carbon alloy cast iron materials in the cheapest material. And mechanical properties of the best materials in ductile cast iron is cast iron. If you want to find substitutes, only to find a more expensive materials. Such as steel, copper alloy, aluminum alloy, stainless steel and so on. Nodular cast iron, nodular cast iron is through get spheroidal graphite spheroidization and inoculation, effectively improve the cast iron machine. What material of intermediate frequency furnace lining a: lining made of brick masonry, because each part lined with different working conditions, use of refractory material and performance is also different. Such as the upper lining main consideration in shaft wear-resisting, furnace body and the furnace waist mainly considering thermal shock damage and alkali erosion, bosh main consideration at the beginning of high FeO slag erosion, hearth, main consideration molten iron mechanical erosion resistance of furnace bottom and refractory.
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