Changxing jinyuan refractory material co. LTD
Contact: Mr. Zhou
Hand machine: 18657298080
Email address: email@example.com
Address: wang bang tou industrial park, taihu street, changxing county, huzhou city, zhejiang province
If want to use firebrick for a long time, reduce the cost that replaces firebrick, so when people is choosing the firebrick that should use, want to choose the firebrick with high wear-resisting degree as far as possible, the service life of this kind of firebrick wants a few longer. Below, lead everybody to understand the condition that firebrick needs when using and its advantage.
Above all, the wear-resisting degree of firebrick depends on the composition of firebrick and structure, when the composition of firebrick is the dense polycrystal that monocrystal forms, its wear-resisting degree basically depends on the hardness of mineral crystal of constituent material. High hardness, high wear resistance of the material. When the mineral crystal is anisotropic, the grain size is fine and the wear resistance of the material is high. When the material is composed of polyphase, its wear resistance is directly related to the volume density or porosity of the material, as well as the bonding strength of each component.
Therefore, for a certain kind of firebrick at room temperature, its wear resistance is proportional to its compressive strength, firebrick manufacturers in sintering firebrick if the above factors are taken into account, then the production of firebrick wear resistance is also good.
In addition, the wear resistance of refractory brick is associated with the temperature of use, some such as high alumina refractory brick, it is generally believed it under a certain temperature (e.g., within the elastic range under 700 ~ 900 ℃), the higher the temperature the lower abrasion resistance is, can be thought as the temperature increase with the increase of firebrick elastic modulus, abrasion resistance has decreased.
When the temperature rises to the maximum value of the elastic modulus, the wear resistance increases with the decrease of the elastic modulus. Such as clay brick during 1200 ~ 1350 ℃, abrasion resistance and even better than that of the normal temperature. When the temperature rise further, more than 1400 ℃ for refractory products of liquid viscosity sharply reduced, wear resistance decreases. Some firebrick if contain chromic qualitative firebrick, rise as the temperature, wearability increases.
Above is our analysis of the influence of firebrick wear-resisting degree of the two main factors, the first factor mainly by the manufacturers to improve production technology and formula of refractory brick to increase wear resistance, the second factor is depends on the use of refractory brick enterprises in strict accordance with the environmental requirements of refractory brick used for use, thus can guarantee the wear-resisting degree is not reduced, achieve the goal that can use for a long time.