Bio Ceramic Ball Monolithic Refractories for Water Treatment in Iron and Steel Industry
- Ref Price:
-
- Loading Port:
- Qingdao
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 500 m.t.
- Supply Capability:
- 3000 m.t./month
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Main Ingredients:
Tourmaline: 30%
Porcelain clay: 20%
High grade clay: 15-20%
Others: 30-35%
Main Features:
Amount of generating negative ions: 400500pc/s.cm3
Radiance of far infrared ray the wavelength is 225μm≥85%
PH of soaking water solution: 7.2-7.6
Insoluble, gradually releasing mineral substance
Instruction For Use:
Should wash with clean water for two times in the first, then can be directly used for treating drinking water. Keep from raining, and avoid moisture. Stored in dry place.
Note:
the highest using temperature is at 950
Description:
One kind of environmental protection and health care ball that is mainly made of the natural nonmetal mineral tourmaline, kaolin and high-grade clay by nanometer combination technology, special formula and agglomeration techniques, and used with the ceramic ball for activating, purifying and mineralizing drinking water.
Application :
For various types of water purifier, drinking water dispenser and water supply system and equipments, agriculture and industry, etc.
- Q: What are the main factors affecting the thermal expansion of monolithic refractories?
- The main factors affecting the thermal expansion of monolithic refractories include the type of refractory material, the temperature range, the chemical composition, and the physical structure of the refractory. Firstly, the type of refractory material plays a significant role in its thermal expansion behavior. Different types of refractories, such as alumina-based, silica-based, and magnesia-based refractories, have varying coefficients of thermal expansion (CTE). For example, alumina-based refractories generally have a lower CTE compared to silica-based refractories. Therefore, the choice of refractory material can greatly influence its thermal expansion characteristics. Secondly, the temperature range at which the refractory is exposed affects its thermal expansion. As the temperature increases, the refractory material expands due to the thermal energy absorbed. However, different refractories have different temperature-dependent expansion behaviors. Some refractories may have a linear or near-linear expansion with temperature, while others may exhibit non-linear or step-wise expansion. The temperature range of operation is an important consideration in determining the suitability of a refractory for a particular application. The chemical composition of the refractory also affects its thermal expansion. The presence of different chemical elements and compounds in the refractory material can influence its expansion behavior. For example, the addition of certain oxides, such as magnesia or zirconia, can alter the CTE of the refractory. Similarly, impurities or variations in the chemical composition can introduce differences in expansion characteristics among refractories of the same type. Lastly, the physical structure of the refractory, including its porosity, density, and microstructure, can affect thermal expansion. The presence of open or closed pores within the refractory can affect its ability to expand uniformly under thermal stress. The density of the refractory also plays a role, as denser refractories tend to have lower thermal expansion. Additionally, the microstructure, including grain size and orientation, can influence the overall expansion behavior of the refractory. In conclusion, the main factors affecting the thermal expansion of monolithic refractories include the type of refractory material, temperature range, chemical composition, and physical structure. Understanding these factors is essential in selecting the appropriate refractory for a specific application to ensure optimal performance and durability.
- Q: What is the role of monolithic refractories in blast furnaces?
- Monolithic refractories play a crucial role in blast furnaces as they provide high-temperature resistance and excellent durability in the harsh operating conditions of the furnace. Blast furnaces are used in the ironmaking process to convert iron ore into molten iron, and monolithic refractories are essential for lining the interior of the furnace. One of the main functions of monolithic refractories in blast furnaces is to withstand extreme temperatures. The interior of a blast furnace can reach temperatures of up to 2,500 degrees Celsius, and monolithic refractories are designed to maintain their structural integrity and protect the furnace lining from thermal shock and erosion caused by the high temperatures. Monolithic refractories also provide insulation, preventing heat loss from the furnace. This is important as it helps to maintain the desired temperature for efficient iron production. By reducing heat loss, monolithic refractories contribute to energy savings and improved overall furnace performance. Another crucial role of monolithic refractories is to resist chemical attack from the molten iron and slag. The materials used in blast furnaces, such as iron ore, coke, and limestone, undergo various chemical reactions during the ironmaking process. Monolithic refractories are engineered to resist the corrosive effects of these reactions, ensuring a longer service life for the furnace lining. Furthermore, monolithic refractories offer excellent mechanical strength and resistance to abrasion. The materials being processed in a blast furnace, including iron ore and coke, can be abrasive. Monolithic refractories provide a protective barrier against the abrasive action, preventing damage to the furnace lining and extending its lifespan. In summary, the role of monolithic refractories in blast furnaces is to withstand extreme temperatures, provide insulation, resist chemical attack, and offer mechanical strength against abrasion. These properties contribute to the efficient operation and longevity of blast furnaces, enabling the production of molten iron for various industrial applications.
- Q: What are the main applications of monolithic refractories in the iron and steel industry?
- Monolithic refractories are widely used in the iron and steel industry for various applications such as lining furnaces, ladles, and tundishes. They provide excellent thermal insulation, high resistance to thermal shock, and resistance to chemical reactions with molten metal. These refractories help in maintaining consistent temperature and reducing heat loss, thereby ensuring efficient and cost-effective production processes in the iron and steel industry.
- Q: What are the typical applications of monolithic refractories in the iron and steel industry?
- Various applications within the iron and steel industry widely utilize monolithic refractories. These refractories, composed of a single material, offer numerous advantages including easy installation, thermal shock resistance, and excellent resistance to chemical attacks. Below are some typical applications of monolithic refractories in the iron and steel industry: 1. Blast Furnace: In blast furnaces, monolithic refractories line the interior and endure extreme temperatures and chemical reactions. They provide thermal insulation, prevent erosion, and resist the corrosive effects of molten iron and slag. 2. Ladles and Tundishes: Monolithic refractories line ladles and tundishes, vessels used for transporting and transferring molten metal. These refractories offer effective thermal insulation and resistance to erosion and chemical attacks, ensuring the integrity of the vessels. 3. Steelmaking Converters: Converters, essential in the steelmaking process to convert molten pig iron into steel, utilize monolithic refractories. These refractories provide protection against high temperatures and aggressive chemical environments encountered during the process. 4. Electric Arc Furnaces (EAF): Monolithic refractories line the walls and roofs of EAFs, used to recycle scrap steel by melting it. These refractories offer outstanding thermal insulation, resistance to slag erosion, and thermal shock resistance, ensuring the longevity and efficiency of the furnace. 5. Continuous Casting: Monolithic refractories find employment in the continuous casting process, where molten steel solidifies into a continuous slab or billet. These refractories line the walls and floors of the casting molds, providing thermal insulation and resistance to chemical attacks from the molten steel. 6. Reheating Furnaces: Monolithic refractories are used in reheating furnaces, which heat steel billets or ingots prior to further processing. These refractories provide insulation, high-temperature resistance, and ensure uniform heating of the metal. Overall, monolithic refractories play a crucial role in the iron and steel industry by providing reliable and durable linings in various applications. Their ability to withstand extreme temperatures, chemical attacks, and thermal shocks makes them indispensable for maintaining the integrity and efficiency of the production processes.
- Q: How do monolithic refractories withstand high temperatures and thermal shocks?
- Due to their unique composition and design, monolithic refractories possess the ability to endure high temperatures and thermal shocks. These refractories, referred to as "monolithic" due to their single-piece or structured form, can withstand extreme heat and sudden temperature changes commonly experienced in high-temperature applications. The utilization of high-quality raw materials is a key factor enabling monolithic refractories to withstand high temperatures. These materials are meticulously chosen for their heat and thermal stress resistance. Common components include silica, alumina, magnesia, and other refractory minerals with high melting points. Furthermore, the manufacturing process plays a vital role in enhancing the thermal resistance of monolithic refractories. The raw materials are blended with binders, such as clay or cement, to create a homogeneous mixture. This mixture is then shaped and installed in its final position, either through pouring or gunning, depending on the application. The binder ensures that the refractory maintains its shape and integrity during thermal cycling. In addition, monolithic refractories exhibit excellent thermal conductivity and low thermal expansion properties. This enables efficient heat transfer and dissipation, minimizing the risk of thermal stress and cracking. The low thermal expansion also reduces the likelihood of spalling or delamination, which is crucial for withstanding thermal shocks. Another contributing factor to the high-temperature resistance of monolithic refractories is their ability to form a protective layer or slag on the surface. This layer acts as a barrier, preventing direct contact between the refractory and corrosive materials or aggressive atmospheres. It significantly improves the refractory's longevity and resistance to thermal shocks. Overall, the combination of high-quality raw materials, meticulous manufacturing techniques, and advantageous thermal properties allows monolithic refractories to endure high temperatures and thermal shocks. These refractories find extensive use in various industries, including steel, cement, glass, and petrochemical, as reliable linings in furnaces, kilns, and other high-temperature equipment.
- Q: What are the factors affecting the thermal expansion of monolithic refractories?
- The thermal expansion of monolithic refractories is influenced by several factors. These factors include the chemical composition of the refractory material, particle size, temperature, thermal history, porosity, binder content, and thermal shock. 1. The thermal expansion of the refractory material is significantly influenced by its chemical composition. Different chemical elements and compounds have varying coefficients of thermal expansion. For instance, materials with high levels of silica generally have lower coefficients of thermal expansion compared to those with higher concentrations of alumina. 2. The particle size distribution of the refractory material can also impact its thermal expansion. Smaller particle sizes result in higher thermal expansion due to increased surface area and greater particle contact. 3. The temperature at which the monolithic refractory is exposed plays a crucial role in its thermal expansion. As the temperature increases, the particles gain more kinetic energy, leading to increased movement and expansion. Different refractory materials exhibit significant expansion within specific temperature ranges. 4. The thermal history of the refractory material, including its heating and cooling cycles, can influence its thermal expansion behavior. Repeated heating and cooling cycles can induce microstructural changes in the material, affecting its thermal expansion properties. 5. The porosity of the monolithic refractory also affects its thermal expansion. Higher porosity generally results in higher thermal expansion due to the presence of voids and gaps within the material. 6. The type and amount of binder used in monolithic refractories impact their thermal expansion. Different binders have different coefficients of thermal expansion, which can influence the overall expansion behavior of the material. 7. Rapid temperature changes, such as quenching or exposure to alternating heating and cooling, can cause thermal shock in the refractory material. This can lead to cracks, spalling, and changes in thermal expansion behavior. Understanding these factors is essential when selecting the appropriate monolithic refractory material for specific applications. The thermal expansion characteristics directly affect the performance and longevity of the refractory in high-temperature environments.
- Q: What are the factors affecting the thermal conductivity of monolithic refractories?
- There are several factors that can affect the thermal conductivity of monolithic refractories. 1. Composition: The chemical composition of the refractory material plays a significant role in determining its thermal conductivity. Different types of refractories have different thermal conductivities based on the types and amounts of raw materials used. For example, refractories with a higher content of insulating materials, such as alumina or silica, tend to have lower thermal conductivities. 2. Porosity: The porosity of the refractory material also affects its thermal conductivity. Higher porosity means there are more air or gas-filled voids within the material, which can act as thermal insulators. Therefore, refractories with higher porosity tend to have lower thermal conductivities. 3. Density: The density of the refractory material is another important factor. Higher density materials usually have higher thermal conductivities, as the particles are packed more closely together, allowing for better heat transfer. 4. Grain size: The size of the grains in the refractory material can impact thermal conductivity. Smaller grain sizes result in higher contact points between particles, facilitating better heat transfer. Therefore, refractories with smaller grain sizes typically have higher thermal conductivities. 5. Temperature: The temperature at which the refractory material operates can also affect its thermal conductivity. Some materials may exhibit changes in thermal conductivity at different temperature ranges. For instance, certain refractories may have lower thermal conductivities at low temperatures but higher conductivities at high temperatures due to changes in their crystal structure. 6. Moisture content: The presence of moisture or water in the refractory material can significantly decrease its thermal conductivity. Water has a relatively low thermal conductivity, so even a small amount of moisture can act as an insulating barrier within the material. 7. Microstructure: The microstructure of the refractory material, including the arrangement and orientation of its grains, can affect thermal conductivity. A well-aligned microstructure with good interconnectivity between the grains can enhance heat transfer, resulting in higher thermal conductivity. Overall, the thermal conductivity of monolithic refractories is influenced by a combination of factors, including composition, porosity, density, grain size, temperature, moisture content, and microstructure. Understanding and controlling these factors is crucial for optimizing the thermal performance of monolithic refractories in various high-temperature applications.
- Q: What are the main factors affecting the thermal conductivity of monolithic refractories?
- The thermal conductivity of monolithic refractories is affected by various factors. These include the composition of the refractory material, the density of the material, the porosity of the material, and the presence of any additives or impurities. The composition of the refractory material plays a significant role in determining its thermal conductivity. Different types of refractory materials, such as alumina-based, silica-based, or magnesia-based, exhibit different thermal conductivities due to their distinct chemical compositions. Materials with higher alumina content generally display higher thermal conductivities compared to those with higher silica content. The density of the refractory material also impacts its thermal conductivity. Materials with higher densities generally exhibit higher thermal conductivities because the closely packed particles enable more efficient heat transfer. Conversely, materials with lower densities tend to have lower thermal conductivities as the presence of air pockets or voids hinders heat transfer. Another crucial factor is the porosity of the refractory material. Porosity refers to the presence of small pores or spaces within the material. Higher porosity leads to lower thermal conductivity as the air or gas trapped within the pores acts as an insulator, reducing the material's ability to conduct heat. Therefore, materials with lower porosity tend to have higher thermal conductivities. The presence of additives or impurities in the refractory material also affects its thermal conductivity. Certain additives or impurities, such as carbon or metallic oxides, can either enhance or inhibit heat transfer in the material. For example, the addition of carbon can increase thermal conductivity due to its high thermal conductivity, while the presence of metallic oxides may decrease thermal conductivity due to their lower thermal conductivities. In conclusion, the thermal conductivity of monolithic refractories is influenced by factors such as composition, density, porosity, and the presence of additives or impurities. Understanding and controlling these factors are crucial in designing and selecting refractory materials with optimal thermal conductivity for specific applications.
- Q: Can monolithic refractories be used for lining iron and steel ladles during casting and pouring?
- Yes, when it comes to lining iron and steel ladles during casting and pouring, monolithic refractories are the go-to option. Unlike traditional refractory bricks, which consist of multiple pieces, monolithic refractories are composed of a single, uniform structure. Monolithic refractories are highly favored for ladle lining in iron and steel casting due to their numerous advantages. Firstly, they exhibit exceptional resistance to thermal shock, enabling them to endure the intense temperatures encountered during casting and pouring. This is of utmost importance since ladles are constantly exposed to extreme heat. Moreover, monolithic refractories provide superior resistance to erosion and corrosion, ensuring that the lining remains intact amidst the harsh conditions and chemical reactions that transpire when molten metal makes contact with the ladle. Additionally, they possess excellent thermal insulation properties, diminishing heat loss and enhancing energy efficiency throughout the casting process. Furthermore, monolithic refractories boast remarkable versatility, enabling easy installation, repair, and replacement. They can be molded and shaped to conform to the specific requirements of ladles, resulting in a snug and secure lining. This adaptability also enables swift maintenance and repair, minimizing downtime and optimizing productivity. In conclusion, monolithic refractories are the perfect choice for lining iron and steel ladles during casting and pouring. Their resistance to thermal shock, erosion and corrosion, thermal insulation properties, and ease of installation render them highly suitable for this demanding application.
- Q: What are the key properties of pumpable refractories used for monolithic refractory applications?
- The key properties of pumpable refractories used for monolithic refractory applications include high flowability, good workability, excellent bonding strength, and high resistance to thermal shock. These pumpable refractories should also possess good pumpability and be able to withstand the intense heat and mechanical stress in the application environment. Additionally, they should have low water demand, high chemical resistance, and the ability to maintain their properties even after exposure to high temperatures.
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Bio Ceramic Ball Monolithic Refractories for Water Treatment in Iron and Steel Industry
- Ref Price:
-
- Loading Port:
- Qingdao
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 500 m.t.
- Supply Capability:
- 3000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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