The refractoriness and uses of sintered mullite are as follows:I. Fire resistanceThe fire resistance of sintered mullite is usually above 1750℃. According to different brands, its fire resistance will be different. For example, the fire resistance of sintered mullite of M45 grade is about 1750℃ Read More
Detecting the thermal shock stability of plug brick is an important means to evaluate its ability to resist cracking and crack propagation under rapid temperature change. The following are common methods and standards for testing the thermal shock stability of plug bricks Read More
Ensuring the quality control of plug bricks is a key link in producing high-quality refractories. The following are the main methods and steps of plug brick quality control based on the search results: Quality control of raw materialsSelection of raw materials Read More
In modern steelmaking process, plug brick, as a key refractory, plays a vital role. It is located at the bottom of the stopper and matched with the nozzle brick. It is mainly used to control the flow of molten steel and ensure the smooth steelmaking process. Read More
Preheating plug brick is an important step to ensure its stable use in high temperature environment. The following are specific preheating steps and precautions:I. Preheating step(1) natural dryingBefore preheating, plug bricks should be naturally dried to remove excess water on the surface Read More
Extending the service life of plug bricks can be started from the following aspects:I. Optimizing material selectionSelect the appropriate material according to the working conditions: the material of the plug brick should be selected according to the actual working conditions. Read More
The maximum temperature of plug brick varies with the material and production process. According to the search results, the following are several common types of plug bricks and their maximum service temperatures Read More
The installation method and steps of Shi Ying Shuikou Brick should be carried out in strict accordance with the specifications to ensure its stability and service life in high temperature environment. Read More
If Shi Ying Shuikou brick leaks, it can be treated according to the following steps:I. Check the causes of leakageCheck the integrity of brick: check whether there are cracks, defects or other defects in Shi Ying Shuikou brick.Check the installation position: confirm whether the nozzle brick is inst Read More
Ensuring the tightness of Shi Ying Shuikou brick is a key link in the installation process. The following are detailed methods and suggestions based on the latest search results:I. Use of sealing materialsDaub fireclay: coat a proper thickness of refractory mortar (such as chrome fireclay) on the de Read More
When using high-temperature cement in converter construction, we need to pay attention to the following points:I. Construction environmentTemperature and humidity: the temperature of the construction site should be between 10-35℃, and the humidity of the ambient air should be lower than 80%. Read More
In steelmaking converter, the application of high temperature cement is mainly reflected in the following aspects:I. Building firebricksHigh temperature cement is used to build refractory bricks for converter lining, especially magnesia-carbon bricks. This kind of cement can maintain good bonding Read More