The middle bag is an important production equipment in the continuous casting process of steel, the bag age, life length directly affects the yield of continuous casting billet as well as the continuity and stability of the production organization. Extend the service life of continuous casting intermediate package, not only can shorten the operation time …
Refractory long life technology for slab intermediate package Read More »
Steel ladle (ladle) carries the dual task of carrying steel and refining outside the furnace, with the development of steelmaking technology, China’s ladle refractories have also been well developed. Especially since the 1980s, China’s refractory research institutions, production enterprises and the use of manufacturers, close cooperation, combined with China’s national conditions, and continue to develop …
Steel ladle commonly used refractory material classification details Read More »
Furnace age, also known as furnace lining life, refers to the intermediate frequency furnace lining from put into use to replace the new lining to stop a furnace service period of the total number of steelmaking furnace. It is a comprehensive index to measure the production level of IF furnace. Therefore, the age of the …
Improve the age of the medium frequency furnace can not be ignored several factors Read More »
The converter plays the functions of decarburization, dephosphorization, desulfurization, alloying, heating, removal of inclusions, etc. In smelting, the converter does not need external heat and relies on the exothermic reaction of oxidation in the steel. In the converter, the furnace lining, steel outlet, breathable bricks, etc. are composed of refractory materials. Since its development in …
Medium frequency furnace use process, the thickness of the refractory material used for the furnace lining is only 70-110mm, the inner side of the contact with the high temperature metal liquid, the outer side of the water-cooled coils close to the refractory material inside and outside temperature difference is very large, in the use of …
Medium frequency furnace lining damage causes and solutions Read More »
Converter steelmaking is widely adopted by domestic and foreign steel smelting industry for its high productivity, variety, good quality, high thermal efficiency, good adaptability of raw materials, low consumption, low cost, low infrastructure investment, fast construction speed, etc. It has become one of the main methods of modern steelmaking. The refractory materials for furnace lining …
Construction sequence and method of refractories for steel converter lining Read More »
Induction furnace equipment structure Induction furnace is the use of electromagnetic field induction principle of electrical energy into thermal energy, so that the metal charge heat melting high temperature melting equipment. According to the structure, there are no core induction furnace (crucible type) and core induction furnace (trench type) two categories. Induction furnaces have the …
What are the higher requirements for refractory materials in induction furnaces Read More »
The lining of the medium frequency furnace is usually made of refractory materials of various specifications and sizes. The commonly used refractory materials are mainly magnesium, quartz, aluminum and composite materials. Once the lining is damaged, it will not only affect the power, melting speed and capacity of the medium frequency furnace, but also affect …
Medium frequency furnace lining damage causes and repair methods Read More »
After the various raw materials of the casting material are determined, first of all, it should be combined with the present, and then made into a mixture by mixing, and some mixtures also need to be trapped material. According to the nature of the mixture to take the appropriate method of casting molding and maintenance, …
How to carry out the refractory castables preparation and construction Read More »
MgO-CaO system refractory is a kind of advanced refractory used in steel making, it has good characteristics of erosion resistance, high temperature resistance, good thermodynamic stability and the ability to purify the steel, for the production of clean steel, especially stainless steel smelting, other refractories can not be compared with it, so in the VOD …
Erosion mechanism of MgO-CaO bricks (magnesium-calcium bricks) for AOD furnace linings Read More »
