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Aluminate cement has extensive and important applications in the refractory industry. This cement has become a key raw material in the production of refractory materials due to its unique physical and chemical properties, such as high-temperature stability, corrosion resistance, and good penetration resistance. First, aluminate cement plays a key role in the production of refractory castables. Refractory castables are important materials used in high-temperature environments and need to have good thermal shock resistance, erosion resistance, and wear resistance. The addition of aluminate cement can significantly improve the properties of the castable, making it stable under high-temperature conditions and extending its service life. Secondly, aluminate cement is also commonly used in the production of refractory bricks. Refractory bricks are the main material for building high-temperature furnaces and need to withstand extremely high temperatures and chemical attacks. The excellent properties of aluminate cement make refractory bricks made of it have excellent high-temperature resistance, corrosion resistance, and penetration resistance, and can effectively resist thermal stress, chemical erosion, and mechanical wear in high-temperature environments. In addition, aluminate cement plays an important role in the production of other refractory materials. For example, it can be used to produce high-temperature insulation materials to improve the thermal...
Silicon carbide bricks have excellent high-temperature resistance as a high-temperature refractory material. We can understand the heat-resistant temperature range of silicon carbide bricks and some of their specific characteristics from the known information. First, the heat-resistant temperature of silicon carbide bricks can usually reach about 1500℃-1800℃, and higher-level products can even reach more than 2000℃. This means that in such a high-temperature environment, silicon carbide bricks can still maintain their stability and physical properties, and will not be damaged or deformed due to high temperature. Secondly, silicon carbide bricks not only have good heat resistance but also have a series of other excellent properties. For example, its melting point is as high as 2700℃, which means that under extremely high-temperature conditions, silicon carbide bricks can still maintain a stable working state. In addition, silicon carbide bricks also have good corrosion resistance and can resist the erosion of most acids, alkalis, vapors, and liquids. This makes silicon carbide bricks widely used in chemical, metallurgical, and other industries. Furthermore, silicon carbide bricks are very adaptable and can be processed into bricks of different shapes and sizes to meet the manufacturing and maintenance needs of different furnaces. At the same time, its thermal...
Refractory castable is a kind of amorphous refractory material widely used in high-temperature kilns. It is mainly in powder form. When used, a certain amount of water should be added and stirred evenly before use. It is usually used on some occasions where the construction of high-temperature kilns is more difficult. At present, there are many types of refractory castables. There are hundreds of known and widely used types. Sometimes, the same refractory castable from different manufacturers also has differences. The difference mainly lies in the ratio of the refractory castable. At present, refractory castables can be divided into high-aluminum refractory castables, corundum refractory castables, mullite refractory castables, silicon refractory castables, magnesium refractory castables, silicon carbide refractory castables, low-cement castables, self-flowing castables, ramming castables, etc. according to different components. Different types of refractory castables can be used on different occasions. The main reason is that refractory castables with different proportions can meet different types of environments. For example, high-aluminum refractory castables have a high alumina content, good high-temperature resistance, and mechanical strength, and are often used in high-temperature industrial kilns such as steel and nonferrous metals. Corundum refractory castables are often used in key parts of some kilns because of...
Refractory bricks are also called fire bricks. They are a kind of shaped refractory material indispensable in high-temperature environments. They have the characteristics of high-temperature resistance, creep resistance, earthquake resistance, and corrosion resistance. They can resist high-temperature erosion and medium corrosion, so they are often used for lining high-temperature equipment and furnaces, such as aluminum melting furnaces, blast furnaces, trolley furnaces, glass kilns, etc. They are widely used in metallurgy, construction, chemical industry, power, and other industries. The reason why refractory bricks are also called fire bricks is because they have very high refractoriness. The refractory temperature of some common refractory bricks can reach 1790℃, and the refractory temperature of some high-quality refractory bricks can even reach about 2000℃, such magnesium bricks and corundum bricks. It is precisely because of its excellent refractory temperature that it is widely used in high-temperature industries to ensure the stability of the working environment of smelting furnaces in high-temperature industries and provide stable assistance for the development of high-temperature industries. At the same time, its development is also the key to restricting the development of high-temperature industries. The higher the refractory temperature, the higher the melting point of high-temperature industries. Only in this way...
The specifications of refractory cement for electric furnaces are usually determined according to the working temperature, working environment, and required refractory performance of the electric furnace. As an important material for electric furnaces, the quality and performance of refractory cement directly affect the service life and efficiency of electric furnaces. Therefore, it is very important to choose the appropriate specifications for refractory cement. In the market, the common specifications of refractory cement for electric furnaces are mainly L-grade, H-grade, and F-grade. These different grades of refractory cements are different in composition, performance, and scope of application. L-grade refractory cement is mainly used in high-temperature occasions with low alkali metal elements. It has good alkali resistance and high-temperature stability. It is suitable for parts of electric furnaces that need to withstand high temperatures and low alkali metal content. This cement has high refractoriness and can meet the needs of long-term stable operation of electric furnaces. H-grade refractory cement is a high-aluminate cement with an aluminate content of more than 70%. This cement has the characteristics of good high-temperature pressure resistance, strong erosion resistance, and high thermal shock stability. It is particularly suitable for parts of electric furnaces that need to withstand...
Corundum wear-resistant plastic is a wear-resistant material commonly used in the industrial field. It has excellent wear resistance, impact resistance, and high-temperature resistance. The general method of using corundum wear-resistant plastic is as follows: 1. Batching: According to the needs, mix corundum wear-resistant plastic, curing agent, pigment, etc. in a certain proportion. 2. Stirring: Use a mixer to fully stir the mixture to ensure that the materials are mixed evenly. 3. Filling: Fill the stirred plastic into the parts that need to be wear-resistant and ensure that the filling is dense. 4. Curing: Put the filled parts into the curing furnace for heating and curing. 5. Cooling: After the parts are completely cured, natural cooling or forced cooling is carried out to quickly cool the parts. 6. Post-processing: Grind, polish, and other post-processing of the cured parts to improve their surface finish. It should be noted that when using corundum wear-resistant plastic, the curing temperature and time should be strictly controlled to ensure that the material is fully cured and achieves the best performance. At the same time, raw materials of qualified quality should be selected, and expired or damp materials should be avoided to avoid affecting the performance and...
Honeycomb heat storage body is an efficient and environmentally friendly heat storage material. Its main role is to recycle and utilize industrial waste heat and waste heat, thereby improving the utilization rate of energy. The structure of the honeycomb heat storage body is similar to a honeycomb, consisting of many small cells, each of which is filled with heat storage materials. When heat passes through the honeycomb heat storage body, the heat storage material absorbs the heat and stores it. When heat is needed, such as heating or power generation, the honeycomb heat storage body can release the stored heat. Therefore, the role of the honeycomb heat storage body is equivalent to an energy storage device. Its appearance has greatly reduced the emission of industrial waste heat and waste heat, reduced energy waste, and also reduced the burden on the environment. In addition, the honeycomb heat storage body also has a high thermal efficiency. Due to its special structure, the honeycomb heat storage body can quickly absorb and release heat. This rapid heat transfer process helps to improve the operating efficiency of the equipment and reduce energy waste. In general, the role of the honeycomb heat storage body is to...
High-temperature micro-expansion refractory plastic is a special high-performance material with many unique properties and application fields. Below we will briefly introduce its application and characteristics. 1. Application High-temperature micro-expansion refractory plastic is mainly used for internal lining, sealing, reinforcement, etc. of high-temperature equipment, furnaces, pipelines, etc. It has excellent fire resistance, high-temperature resistance, corrosion resistance, and good plasticity, so it is widely used in metallurgy, ceramics, chemicals, glass, electricity, and other fields. 1. Metallurgy: High-temperature micro-expansion refractory plastic can be used for the lining of metallurgical equipment, such as blast furnaces, converters, electric furnaces, etc. It can resist high temperatures, chemical corrosion, and mechanical wear, and improve the durability and safety of equipment. 2. Ceramic field: In the process of ceramic production, high-temperature micro-expansion refractory plastic can be used for the lining of kilns and the manufacture of kiln furniture. It can resist high temperature, chemical corrosion, and mechanical stress, and improve the quality and output of ceramic products. 3. Chemical field: In the process of chemical production, high-temperature micro-expansion refractory plastic can be used for the lining of reactors, pipelines, storage tanks, and other equipment. It can resist high temperatures, chemical corrosion, and mechanical wear, and improve the durability...
The steel plant refractory construction requirements are as follows: 1. a site survey should be conducted to understand the site environment, temperature, humidity, air quality, etc., and a reasonable construction plan should be formulated according to the actual situation. 2. Clean the construction site, remove obstacles and debris, and ensure construction safety. 3. Prepare the required materials and tools, and make reasonable arrangements according to the construction plan. 4. During the construction process, the construction should be carried out in the order of inside first and outside later, and the key parts should be constructed first, and then other parts. 5. During construction, attention should be paid to protecting the surrounding environment and equipment to avoid pollution and damage. 6. Strengthening and protective measures should be adopted for key and easily damaged parts to ensure their reliability and stability. 7. Pay attention to personnel safety during construction to avoid accidents. 8. After the construction is completed, the site should be cleaned and inspected to ensure that the construction quality meets the requirements.
Casables are a type of refractory material, mainly used to provide protection and support in high-temperature environments. The following are the types and uses of castables: 1. Corundum castable: Made of corundum as the main raw material and an appropriate amount of binder. Mainly used for high-temperature equipment such as high-temperature kilns, high-temperature pipes, and blast furnace linings. 2. Silicon carbide castable: Made of silicon carbide as the main raw material and an appropriate amount of binder. Mainly used to manufacture high-temperature equipment such as silicon carbide products, wear-resistant parts, and high-temperature furnaces. 3. Wear-resistant castable: Made of wear-resistant aggregate as the main raw material and an appropriate amount of binder. Mainly used for high-temperature wear-resistant equipment such as cement kilns and coal-fired boilers. 4. High-aluminum castable: Made of high-aluminum as the main raw material and an appropriate amount of binder. Mainly used for high-temperature equipment such as high-temperature kilns and high-temperature pipes. 5. Insulation castable: Made of refractory fiber as the main raw material and an appropriate amount of binder. Mainly used for high-temperature insulation equipment, such as the top and furnace wall of high-temperature kilns. 6. Acid-resistant castable: Made of siliceous material as the main raw material and...
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