Products Description
What is refractory brick?
What is a refractory brick, the most common daily brick has green brick, red brick, marble brick, landscape brick, but refractory bricks are rare, perhaps some people still heard for the first time, a little bit of refractory bricks are used in high-temperature industrial furnaces inside a kind of lining bricks, high temperature on the specification of the temperature is very high, such as home cooking with the stove temperature of roughly 300 ℃ or more, inside the refractory bricks, for example, in the Heavy industry ironmaking, steelmaking, casting, etc. need high temperature melting, but need to use refractory bricks as a high temperature melting furnace inside the lining brick, otherwise there is no way to realize the production.
Products Specifications
Professional talk about what is a refractory brick, you need to speak from the characteristics of the refractory brick, refractory brick is an inorganic non-metallic materials, but also a refractory material, its refractoriness is not less than 1750 ℃, the production of refractory bricks of the manufacturers are concentrated in the Zhengzhou area of Henan Province, refractory bricks of the main raw materials bauxite, silica, magnesite, corundum, silicon carbide and other inorganic raw materials, these raw materials are screened → grinding → mixing → mechanism → billet → burning → sintered. →Mechanism → billet → sintering, and finally made finished refractory bricks, refractory bricks can be classified according to the use of temperature distinction, can be distinguished according to the material distinction can also be distinguished according to the PH value, the most common and most commonly used refractory bricks are clay refractory bricks and high alumina bricks.
As a necessary material for the lining of industrial furnaces, there is currently no more suitable alternative to refractory bricks. The outer structure of the industrial furnace are metal-based, if not in the use of the inside of the refractory brick masonry, there will be a high temperature melting of the industrial furnace, so the emergence of refractory bricks to protect the external metal structure of the industrial furnace.
At present, the use of refractory bricks in the industrial furnace is still relatively wide, for industries such as smelting, chemical industry, foundry, petroleum, coal coking and other industries have to use refractory bricks, and even said that some of the furnace as a whole are made of refractory brick masonry. In the industrial furnace on the selection of suitable refractory bricks need to be based on the temperature of the furnace, the production environment of the furnace, the use of the furnace requirements, and then after a piece of artificial refractory brick masonry to the furnace, and realize the use of high temperature.
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