Use of refired magnesia and its difference from refired magnesia

When magnesite is calcined at 1800℃, carbon dioxide completely escapes and magnesium oxide forms a dense block of calcined magnesite, which is weighed and burned (also known as sintered magnesite). Such magnesite has high refractoriness. Its main component is magnesium oxide, which is made of natural extra-grade magnesite by flotation purification, light burning, fine grinding, high-pressure pressure ball and ultra-high temperature oil calcined in vertical kiln.

Magnesia is a basic oxide, which has the common property of basic oxide and belongs to cementitious material. White powder (pale yellow is magnesium nitrided), odorless, tasteless and non-toxic, is a typical alkaline earth metal oxide magnesite. When calcined at 1800℃, carbon dioxide completely escapes and magnesium oxide forms a dense block of calcined magnesite, weighing magnesia (also known as sintered magnesite), which has a very high refractoriness. Its main component is magnesium oxide, which is made of natural extra-grade magnesite by flotation purification, light burning, fine grinding, high-pressure pressure ball and ultra-high temperature oil calcined in vertical kiln.

Mix magnesia with magnesium chloride solution, add a little talc, quartz sand, glass wire, knot to form. It has a fire resistance of up to 400 degrees Celsius and up to 1700 degrees. Heavy - fired magnesium, good sintering degree, uniform chemical composition, stable quality. Mainly used for steelmaking open hearth furnace, electric furnace sintering furnace bottom and ramming lining.

Refractory material has a great influence on the furnace type, the technical progress of refractory high purity magnesite and the performance and quality of refractory material not only affect the furnace type structure, but also affect the running status, maintenance times and service life of the furnace. Chi ShengWeiHua high temperature coating engineer pointed out that the heating furnace in our country have common clay brick, high alumina refractory bricks, ramming material, plastic, the common castable and high-performance casting, high temperature resistant heat insulation coatings, refractory cement, lightweight insulation brick, heavy insulation brick, furnace refractory materials such as thermal insulation blanket, aluminum silicate cotton, the high temperature resistant material, but not easy to reform after the high temperature oxidation of friction loss, need to stop the furnace, acid-base long weeks of construction personnel loss.

Now that I'm done, do you understand? The application of heavy burning magnesia is still more.