High-Temperature Bonder Cement
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TY-AZS33
Shapes and sizes: there are great variety of formats and shapes which are available for different forming and special machine processes.
Application: mainly used for working ends, feeder channel, side walls, superstructures, crowns, sidewalls, tank bottoms, C-shaped brick and doghouse crown.etc.
TY- AZS36
Shapes and sizes: This product is only available for straight brick.
Application:mainly used for side walls of flame furnaces with embedded melter bottoms, for total security with average pulls and campaign lengths, and superstructures, front wall, back wall, top crown in glass melting furnace.
TY- AZS41
Shapes and sizes: this product is available in a large size straight or approximate bricks and special formats and shapes which are available for special machining processes.
Application: Mainly used for sidewalls, doghouses, throat, bottom budding, Dam blocks, electric block corners.
Item | Behaviors | |||
TY-AZS33 | TY-AZS36 | TY-AZS41 | ||
Chemical Composition | Al2O3 | ≥50.00 | ≥49.00 | ≥45.00 |
ZrO2 | ≥32.50 | ≥35.50 | ≥40.50 | |
SiO2 | ≤15.50 | ≤13.50 | ≤13.00 | |
Na2O+K2O | ≤1.30 | ≤1.35 | ≤1.30 | |
Bulk density g/cm3 | ≥3.75 | ≥3.85 | ≥4.00 | |
Apparent Porosity % | ≤1.2 | ≤1.0 | ≤1.2 | |
Cold Crushing Strength Mpa | ≥300 | ≥300 | ≥300 | |
Exudation Temperature of Glass Phase | ≥1400 | ≥1400 | ≥1410 | |
Bubble Separation Ratio(1300°C×10h) | ≤1.5 | ≤1.4 | ≤1.0 | |
Anti-corrosion rate of glass liquid 1500°C×36h (mm/24h)% | ≤1.45 | ≤1.3 | ≤1.2 | |
Apparent density (g/cm3) | PT(RN RC N) | ≥3.45 | ≥3.50 | ≥3.70 |
ZWS(RR EVF EC ENC) | ≥3.60 | ≥3.70 | ≥3.90 | |
WS( RT VF EPIC FVP DCL) | ≥3.70 | ≥3.80 | ≥4.00 |
- Q:What are the specific requirements of monolithic refractories for blast furnace applications?
- Monolithic refractories used in blast furnace applications must possess specific attributes to withstand the extreme conditions within the furnace. These requirements include high thermal conductivity, excellent thermal shock resistance, superior erosion and abrasion resistance, and good chemical resistance to withstand the corrosive nature of molten iron and slag. Additionally, they should have low porosity to prevent the penetration of molten metal, high mechanical strength to withstand the weight of the burden, and good dimensional stability to maintain their shape and integrity during operation.
- Q:What are the latest advancements in monolithic refractories for the iron and steel industry?
- Enhanced properties have been achieved in the latest advancements of monolithic refractories for the iron and steel industry. These advancements are aimed at withstanding the extreme temperatures and harsh conditions associated with iron and steel production processes. One notable advancement is the utilization of advanced bonding systems that offer exceptional strength and resistance to thermal shock. These systems, including nano-bonding technology, contribute to the overall improvement in the performance and durability of monolithic refractories. Another significant development is the introduction of low cement castables. These castables contain a reduced amount of cement, resulting in enhanced high-temperature strength and erosion resistance. This advancement proves particularly valuable in applications within the iron and steel industry where thermal cycling and mechanical stress are common. Furthermore, the composition of monolithic refractories has seen advancements. The incorporation of advanced raw materials, such as high-quality aggregates and additives, has led to improved thermal conductivity, corrosion resistance, and thermal insulation properties. These developments allow for more efficient and sustainable iron and steel production processes. Additionally, recent advancements have been focused on the development of self-flow castables. These castables possess excellent flowability, facilitating easy installation and maintenance of refractory linings. This advancement not only reduces installation time and costs but also ensures improved lining performance. In conclusion, the latest advancements in monolithic refractories for the iron and steel industry have resulted in improved performance, durability, and efficiency. These advancements enable the industry to enhance its production processes, minimize downtime, and increase overall productivity.
- Q:What are the benefits of using monolithic refractories in the iron and steel industry?
- Monolithic refractories offer numerous benefits in the iron and steel industry. Firstly, they provide excellent thermal insulation, reducing heat loss and improving energy efficiency in furnaces and other equipment. Secondly, monolithic refractories have superior resistance to high temperatures, ensuring prolonged service life even under extreme conditions. Additionally, their flexibility allows for easy installation and repair, reducing downtime and maintenance costs. Moreover, monolithic refractories have enhanced chemical resistance, protecting against corrosive and reactive substances commonly found in iron and steel production. Overall, the use of monolithic refractories enhances productivity, extends equipment lifespan, and reduces operational costs in the iron and steel industry.
- Q:What are the typical operating temperatures for monolithic refractories?
- The typical operating temperatures for monolithic refractories range from 1,100 to 1,800 degrees Celsius (2,012 to 3,272 degrees Fahrenheit), depending on the specific type and composition of the refractory material.
- Q:Can monolithic refractories be used for the lining of blast furnace runners and troughs?
- Yes, monolithic refractories can be used for the lining of blast furnace runners and troughs. Monolithic refractories are versatile and can be formed into any shape or size, making them suitable for lining complex structures such as blast furnace runners and troughs. Additionally, monolithic refractories offer excellent thermal shock resistance and high mechanical strength, which are essential properties for withstanding the extreme conditions inside a blast furnace.
- Q:What are the common testing methods used to evaluate the performance of monolithic refractories?
- To evaluate the performance of monolithic refractories, various commonly used testing methods are employed. These methods aid in determining the durability and suitability of refractory materials for different applications. Some of the frequently utilized testing methods include: 1. Thermal Conductivity Testing: This method gauges the heat conductivity of a refractory material. It assists in assessing the insulation properties and resistance to thermal shocks. 2. Compression Testing: This test measures the compressive strength of the refractory material. It provides insights into its ability to withstand external forces and pressure without fracturing or deforming. 3. Abrasion Testing: This method assesses the refractory material's resistance against wear and tear caused by abrasive forces. It helps evaluate its ability to endure erosive conditions and prolonged exposure to harsh environments. 4. Creep Testing: By measuring the deformation or sagging of the refractory material under high temperatures and constant loading, this testing method assesses its resistance to deformation and ability to maintain shape over time. 5. Thermal Expansion Testing: This test determines the expansion and contraction characteristics of the refractory material when exposed to different temperatures. It aids in evaluating its ability to withstand thermal cycling without cracking or fracturing. 6. Chemical Resistance Testing: This method evaluates the refractory material's resistance to chemical attacks, such as corrosion or erosion resulting from chemical reactions. It assists in determining its suitability for applications involving contact with corrosive substances. 7. Refractoriness Under Load (RUL) Testing: This test measures the refractory material's ability to withstand high temperatures while maintaining structural integrity. It aids in assessing its resistance to thermal stresses and suitability for high-temperature applications. These testing methods provide valuable data for evaluating the performance of monolithic refractories and ensuring their appropriateness for specific industrial applications. By considering these properties, manufacturers and users can make well-informed decisions regarding the selection and usage of refractory materials.
- Q:In iron and steel industry, the main raw materials for blast furnace ironmaking are iron ore, coke and limestone. What's the use of limestone here?
- CaCO3 CaO + CO2 =C = 2CO + CO2Fe2O3
- Q:What are the recommended curing times for monolithic refractories?
- The curing times for monolithic refractories can differ depending on the type of refractory and its specific application. Following the manufacturer's guidelines for curing times is crucial to ensure proper setting and development of the refractory material. For traditional castable refractories, the typical curing time ranges from 24 to 48 hours. During this period, it is important to control temperature and humidity conditions to allow for hydration and hardening of the castable. This curing time is essential to achieve the desired strength and durability of the refractory lining. In contrast, low cement or ultra-low cement castables may need a longer curing time due to their reduced water content. These refractories often require a curing period of 48 to 72 hours to allow for adequate bonding and solidification. For gunning mixes or shotcrete applications, the curing time may be shorter, usually around 8 to 12 hours. This faster curing process is facilitated by adding accelerators to the mix, which promote rapid setting and hardening. It is important to remember that these recommended curing times are general guidelines, and specific recommendations may vary depending on factors such as ambient temperature, humidity, and the specific refractory material used. Therefore, it is advisable to consult the manufacturer's instructions or seek guidance from a refractory specialist to ensure optimal curing and performance of the monolithic refractory.
- Q:What are the recent developments in monolithic refractories for the iron and steel industry?
- Over the past few years, significant progress has been made in the field of monolithic refractories for the iron and steel industry. These refractories are vital in the production of iron and steel, as they provide insulation and withstand high temperatures in furnaces and other equipment. One major advancement is the development of advanced alumina-based castables. These castables offer exceptional thermal shock resistance, high strength, and excellent corrosion resistance, making them perfect for the iron and steel industry. They can endure extreme temperatures and mechanical stress, resulting in longer service life and less maintenance downtime. Another noteworthy development is the introduction of low-cement and ultra-low cement castables. Compared to traditional castables, these have reduced cement content, leading to improved refractory properties. They have higher hot strength, lower porosity, and increased resistance to slag and metal corrosion. This enhances productivity and efficiency in the iron and steel manufacturing processes. Moreover, insulating refractories have seen advancements in their usage. Insulating castables and bricks are now used to line ladles, tundishes, and other equipment, providing better insulation and energy efficiency. These materials help reduce heat loss and improve thermal efficiency, resulting in cost savings and reduced environmental impact. Additionally, there have been significant improvements in the installation techniques of monolithic refractories. Traditional brick lining methods require skilled labor and a longer installation time. However, the introduction of gunning and shotcreting techniques has made the process faster and more efficient. These techniques involve spraying refractory materials onto the lining surface, ensuring better adherence and reducing the risk of lining failure. Overall, recent developments in monolithic refractories for the iron and steel industry have focused on enhancing thermal shock resistance, corrosion resistance, insulation properties, and installation techniques. These advancements have led to increased efficiency, reduced downtime, and improved productivity in the iron and steel manufacturing processes.
- Q:How do monolithic refractories improve the efficiency of reheating furnaces in steel plants?
- Monolithic refractories improve the efficiency of reheating furnaces in steel plants by providing a superior lining material that offers high thermal conductivity, excellent heat resistance, and resistance to thermal shock. These refractories help to minimize heat loss and improve heat transfer, resulting in reduced energy consumption and increased furnace productivity. Additionally, the use of monolithic refractories eliminates the need for time-consuming bricklaying, allowing for quicker furnace start-up times and reduced maintenance downtime.
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High-Temperature Bonder Cement
- Loading Port:
- China Main Port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- -
- Supply Capability:
- -
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