Silica refractory materials are acidic refractory materials that have good resistance to oxides such as CaO, FeO, Fe2O3, etc., and have the advantages of high softening temperature under load, stable volume at high temperatures, and high thermal conductivity. However, the thermal stability at low temperatures (below 800C) is poor. The specific manifestations are as follows: the load softening temperature can be as high as (1640-1680C), which is close to the melting point of tridymite (1670C), and the thermal stability above 800C is very good, which can Adapt to large changes in temperature. Fea
Keywords:
Category:
Shape Refractory
E-mail:
154872569@qq.com
Silica Checker Brick Details
Silica refractory materials are acidic refractory materials that have good resistance to oxides such as CaO, FeO, Fe2O3, etc., and have the advantages of high softening temperature under load, stable volume at high temperatures, and high thermal conductivity.
However, the thermal stability at low temperatures (below 800°C) is poor. The specific manifestations are as follows: the load softening temperature can be as high as (1640-1680°C), which is close to the melting point of tridymite (1670°C), and the thermal stability above 800°C is very good, which can Adapt to large changes in temperature.
1.High Thermal Stability: These bricks exhibit excellent thermal stability and can withstand high temperatures without significant deformation or structural damage.
2.Low Thermal Conductivity: They have relatively low thermal conductivity, which helps in maintaining insulation and preventing heat loss in the furnaces or kilns where they are used.
3.Checker Design:This design is used to create a checkerwork pattern in furnaces or kilns, allowing for efficient heat transfer and better airflow.
Silica checker bricks are mainly used in blast furnace hot blast furnaces and flame furnaces.
The silica bricks used in hot blast stoves have tridymite as the main crystal phase. They have stable volume and low creep rate under high temperature loads. Their anti-adhesion properties are also better than other refractory materials. Proper use can make the structure of hot blast stoves more stable.
Semi-silica brick refers to an aluminum-silicon refractory product with a SiO2 content of greater than 65% and an Al2O3 content of 15% to 30%. They generally use clay containing quartz impurities or native kaolin refractory clay or tailings and pyroph...
The Al2O3 content of anchor bricks is above 55%, and some users require that the alumina content reach 75%, and the load softening temperature of 75% bricks reaches 1550C. However, in actual use, anchor bricks with high aluminum content cannot be enough. The key is Flexibility is the most important t...
Products Desc
Products Description The main components of alkali resistant bricks are clay, high alumina, quartz sand, bauxite and other alkali resistant materials, among which quartz sand and bauxite can improve alkali resistance, clay and high alumina can increase sintering pressure, so that alkali-resistant bri...
Professional solutions for you, ready for your choice
Copyright © Zibo Lifa Refractory Materials Factory ALL RIGHTS RESERVED
Technical Support: JinZhao E-commerce