Mullite is a kind of refractory with excellent performance, which has the characteristics of high temperature resistance, low thermal expansion coefficient, good thermal shock resistance and strong chemical corrosion resistance, and is widely used in many industrial fields. Read More

Sintered mullite has excellent thermal stability, which is mainly reflected in the following aspects:I. High fire resistanceThe fire resistance of sintered mullite is high, which can reach above 1790℃. Its load softening temperature is between 1600℃ and 1700℃, Read More

Sintered mullite has obvious advantages in the thermal insulation layer of hot blast stove, mainly in the following aspects:I. Low thermal conductivity and excellent thermal insulation effectSintered mullite thermal insulation brick has low thermal conductivity Read More

The special use of sintered mullite in hot blast stoves is mainly reflected in the following aspects:I. Key materials of ceramic burnerSintered mullite is used to make special bricks for ceramic burner of hot blast stove because of its excellent high temperature performance and thermal shock resista Read More

Sintered mullite is widely used in iron and steel industry, mainly in the following aspects:I. Blast furnaceSintered mullite brick is widely used as lining material of blast furnace because of its excellent slag resistance and high temperature performance. Read More

In modern industrial production, refractories play a vital role, especially in high temperature environment, they can withstand extreme temperature and chemical erosion, and ensure the normal operation of various industrial equipment. Read More

In modern steelmaking process, plug brick, as an important refractory, plays an indispensable role. It is located at the bottom of the stopper and closely cooperates with the nozzle brick to control the flow of molten steel. Read More

The service temperature range of plug brick mainly depends on its material and production technology. The following are the service temperature ranges and related characteristics of different types of plug bricks Read More

Pouring temperature has a significant influence on the stability of plug bricks, which is mainly reflected in the following aspects:I. Stability problems caused by low temperatureSolidification of molten steel: when the temperature of molten steel is low, the fluidity of molten steel becomes poor, Read More

In the process of pouring, the following aspects can be taken to prevent the plug brick from turning around:I. Optimizing the design and structure of plug bricksAdopt integral plug brick Read More

When using plug bricks, you need to pay attention to the following issues to ensure their performance and service life:I. Installation and assemblyCheck integrity: Before installation, the plug brick must be carefully checked for cracks, defects or other defects. Read More

The service life of refractory mortar in high temperature environment is affected by many factors, including its chemical composition, refractory temperature, construction quality and use environment. Read More