Refractory castables for safety lining play an important role in the lining of high-temperature equipment, providing refractory protection, thermal performance and durability to ensure the normal operation and safety of the equipment. It is widely used in high-temperature equipment in metallurgy, glass, chemical industry, energy and other industries.
Refractory castable for safety lining is a refractory material used in high temperature industrial equipment. Refractory castables for safety linings are castable, highly malleable refractory materials consisting of a variety of refractory granules, powders and binders.
High temperature resistance
Refractory castable for safety linings can withstand extreme temperatures in high-temperature environments, typically 1500°C or more. It maintains stable physical and chemical properties over long periods of time at high temperatures.
Good refractory properties
Refractory castables for safety linings have excellent refractory properties and can withstand the effects of thermal stress, thermal shock and thermal expansion at high temperatures. It maintains structural integrity and stability and provides effective refractory protection in high temperature environments.
Good abrasion resistance
Refractory castables for safety linings usually contain wear-resistant particles and special additives to provide high wear resistance. It can resist the abrasion and impact of materials in the furnace and extend the service life of the equipment.
Good corrosion resistance
Refractory castable materials for safety lining have good corrosion resistance and can resist the erosion of acids, alkalis, chemicals and gases. They are suitable for industrial environments where some corrosive media exist.
Construction flexibility
Refractory castables for safety linings have good plasticity and moldability, and can be cast, injected or coated as needed. It can be adapted to various shapes of lining surfaces and forms a strong refractory layer.
Structural stability
Once the refractory castable for safety lining has dried and cured, it forms a structurally stable, dense refractory layer. It has high mechanical strength and impact resistance and is able to withstand the vibrations and impacts of equipment operation.
Refractory castables for safety lining play an important role in the lining of high-temperature equipment, providing refractory protection, thermal performance and durability to ensure the normal operation and safety of the equipment. It is widely used in high-temperature equipment in metallurgy, glass, chemical industry, energy and other industries.
Metallurgical industry
Refractory castables for safety lining are used in the lining of metallurgical equipment such as metallurgical furnaces, converters, electric furnaces, melting furnaces, iron ladles and so on, to withstand high-temperature molten metal and chemical erosion during smelting.
Glass Industry
Refractory castable materials for safety lining are used in the lining of glass production equipment, such as glass kiln, glass melting furnace, glass steel furnace, etc., in order to protect the furnace structure from the erosion of high-temperature glass liquid.
Chemical industry
Refractory castables for safety lining are used in the lining of high temperature chemical equipment such as chemical reactors, catalytic cracking units, petroleum refining equipment, furnace pipes, etc. to resist corrosive chemicals and high temperature reaction conditions.
Energy industry
Refractory castables for safety linings are used in the linings of coal-fired boilers, gas-fired boilers, Hot blast furnaces, steam generators and other energy equipment to provide refractory protection and thermal performance.
Refractory castable materials for safety linings are used in the linings of cement production equipment such as cement kilns, rotary kilns, clinker coolers, etc., to resist the erosion of high-temperature clinker and flue gases.
Refractory castables for safety lining are used in the linings of steel production equipment such as steel smelting furnaces, steelmaking ladles, continuous casting machines, etc. to withstand high temperature metal liquids and chemical erosion during smelting process.
Refractory castable for safety lining | 50A | 60A | 50B | 60B | |
---|---|---|---|---|---|
Al2O3 % ≥ | 50 | 60 | 50 | 60 | |
B.D.g/cm3 | 110ºCx16h | 2.4 | 2.55 | 2.25 | 2.4 |
1350ºCx3h | 2.35 | 2.5 | ≤2.0 | ≤2.35 | |
MOR(MPa) | 110ºCx16h | 60 | 10 | 10 | 6 |
1350ºCx3h | 80 | 12 | 9 | 9 | |
C.C.S(Mpa) | 110ºCx16h | 10 | 60 | 60 | 30 |
1350ºCx3h | 12 | 80 | 50 | 60 | |
Linear change rate% | 110ºCx16h | ±0.1 | ±0.1 | ±0.2 | ±0.5 |
1350ºCx3h | ±0.5 | ±0.5 | ±0.5 | ±0.5 | |
Maximum Service TemperatureºC | 1650 | 1650 | 1600 | 1600 | |
Water Addition% | 5.8±0.5 | 5.0±0.5 | 7~9 | 7~9 |
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