Introduction to the difference between dry vibrating material and ramming material

Dry vibrating material and ramming material are new types of refractory castables developed over the years. They are developed under the basic theory of castables. Its key technology lies in the self-reaction and self-sintering products at high temperature. It is a high-temperature phase substance, and its particle gradation and binder are also very important. This castable was initially brought with the introduction of electric furnaces, and it didn't take long for it to be localized.

Dry vibrating material is a dry refractory mixture without adding any liquid. After vibrating to obtain a dense construction body, it can be used directly without maintenance and baking. It is called dry ramming material. The process principle is: Various load sintering agents are added to ensure the chemical reaction between the materials at high or low temperature to obtain high-temperature phase products and ceramic bonding. The particle gradation of the materials is carefully configured to ensure that the particles can move quickly under the effect of small vibration force , Fill all kinds of open space without remaining and insufficient materials at all levels, and then a higher bulk density can be achieved.

Dry vibrating materials are classified according to material grade and application site. According to the type of material, they are divided into siliceous, corundum, magnesia, magnesia-calcium, magnesia-aluminum, magnesia-aluminum spinel and other dry vibrators. According to the application part, it can be divided into electric furnace bottom dry vibrating material, power frequency furnace melting ditch dry vibrating material and center bag operation lining dry vibrating material, etc.

Finally, after the construction of dry blasting material and ramming material is completed, a layer of thin steel plate needs to be laid on it to avoid damage to its appearance when loading scrap or mixing molten iron. When producing the first few furnaces of steel , It is necessary to observe the appearance of the furnace bottom working layer. If there is a pit, it should be repaired with the same material in time.

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