Monolithic High Temperature Castable Refractory Cement for Iron and Steel Industry
- Ref Price:
-
- Loading Port:
- Dalian
- Payment Terms:
- TT or LC
- Min Order Qty:
- 23 m.t.
- Supply Capability:
- 60000 m.t./month
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Refractory Plants
Our plant is one of the research institutes on refractory materials in CNBM. It was set up in 2001. Taking the advantages of combining research,process,marketing and technical service,CNBM supply not only first-class refractory materials but also supply distinctive technical services.
·17 plants in different cities.
·Annual output is 5000,000 tons per year.
·ISO 9001:2008 certificated
·The products cover the refractory area of steel-making, cement, non-ferrous, glass, ceramic and others.
Physical And Chemical Indicators For Castable
| Brand Properties | HCA-180 | HCA-170 | HCA-160 | HCA-150 | HCA-140 | |
| ºC Application Limit Temp | 1,800 | 1,700 | 1,600 | 1,500 | 1,400 | |
Bulk Density (g/cm3) | 2.95 | 2.45 | 2.30 | 2.15 | 2.10 | |
| (%)Water Required for Casting | 8-11 | 10-14 | 10-14 | 11-15 | 11-15 | |
CCS/MOR (MPa) | at110ºCx24h | 60(10) | 45(8.5) | 40(8) | 40(8) | 35(6) |
| at1,200ºCx3h | 55(9.5) | 50(9) | 45(8.5) | 50(9) | 40(8) | |
| at1,400ºCx3h | 80(15) | 55(10) | 50(9) | 55(9.5) | 45(8.5) at1,300ºC | |
| (%) Permanent Linear Change | at110ºCx24h | -0.03 | -0.06 | -0.06 | -0.06 | -0.06 |
| at1,200ºCx3h | -0.1 | -0.2 | -0.2 | -0.15 | -0.15 | |
| at1,400ºCx3h | +0.4 | -0.3 | -0.2 | -0.3 | -0.4 at 1,300ºC | |
| (%) Chemical Analysis | Al203 | 91 | 76 | 63 | 52 | 48 |
| SiO2 | 1.5 | 15 | 27 | 40 | 44 | |
Features Of Castable
High refractoriness, High refractoriness under load
High density, low porosity
Good slag resistance and corrosion resistance
High strength and wear resistance
Good resistance to flake performance
Good thermal shock stability
Scouring resistance
Good hot strength.
Applications Of Castable
Nonferrous Metal Furnace
Various Incinerator
Reheating Furnace
EAF, Ladle, Tundish, etc.
Specifications Of Castable
It is widely used in key area of linings in metallurgical industry, petrochemical industry, power plant, construction field and other industries. Especially for the areas where easily worn and broken
Company Profile
CNBM INTERNATIONAL CORPORATION
Build your world with our materials.
We are a primary subsidiary of China National Building Material Group Co., Ltd.
CNBM Group is a central government-owned enterprise and a Fortune Global 500 company (Ranking 203th in 2019). It is the largest building material manufacturer and service provider in the world, with 15 publicly-listed companies and over 180,000 employees (2019). We have more than 300 factory plants in China. For the refractory, we are top 3 in China. We have more than 17 plants in different cities.
Proprietary Technology & Patented Products
Refractory technology
All process are conform to ISO9001 quality control systems
(1)The test of raw materials
★For all raw materials, the purchase department give the test report to the quality supervision department.
(2)The control of production
★Each batch products will be tested
★The quality supervision department record all test result.
(3)Test Before Production
★Before packing, the quality supervision department test the chemical content and physical
★Only quality products can be delivery.
★The delivery department check the package, quantity, name, code, production date, etc.
(4)Quality Traceability Analysis
★Track the products after using and get the feedback of performance.
If customer required, we will give the customer technical solutions and also improve the products.
Damage Mechanism Analysis and Improvement
★ For the maintenance project, CNBM will check the damage condition of the refractory materials in the furnace carefully.
★And then CNBM will give the damage mechanism analysis report to the customer.And CNBM also will provide products improvement solutions to extend the products' service life.
Technical Solution& Construction
★Optimization solutions of the original design to the customer.
★Consultation Service of Refractories Technology
★Technical Staff Training in Refractories Technology
★Specialized Design and Refractories Selection
FAQ
Q:Are you a trading company or manufacturer?
A:CNBM is a large-scale central governmental industrial group with its own manufacturing sector, research and development sector, trading sector and logistics sector.
Q:I have some special requirement about specifications.
A:We have a well-rounded product range, which endows us with the capability of applying many special specifications. Please feel free to contact us with yours.
Q:Do you accept OEM service?
A:Yes, we do.
Q:What is your delivery time?
A:It depends on the size/complexity of your order and our own production schedule. Usually we provide a faster delivery than the industry's average.
Q:What is the payment term?
A:Our payment terms are negotiable.
Q:Can I have my own logo on the product?
A:Sure, we can apply your own logo on the products according to your drawings.
- Q:What are the main challenges in designing the lining system with monolithic refractories?
- One of the main challenges in designing the lining system with monolithic refractories is achieving proper installation. Monolithic refractories are typically installed by casting, gunning, or shotcreting, which requires skilled labor and precise application techniques. Any errors or inconsistencies during installation can compromise the performance and longevity of the lining system. Another challenge is ensuring adequate bonding between the monolithic refractories and the existing structure. Proper adhesion is crucial to prevent refractory material from delaminating or separating from the underlying surface. Factors such as surface preparation, temperature differentials, and mechanical stress can affect the bond strength, requiring careful consideration during the design phase. The compatibility of monolithic refractories with various operating conditions is another challenge. Refractory materials are exposed to extreme temperatures, chemical reactions, and thermal cycling, which can lead to degradation and failure. Designing a lining system that can withstand these conditions requires a thorough understanding of the refractory properties and the specific requirements of the application. Furthermore, selecting the right monolithic refractory material for a given lining system is a significant challenge. There are various types of monolithic refractories available, each with its own strengths and weaknesses. Factors such as temperature range, chemical composition, thermal conductivity, abrasion resistance, and thermal shock resistance need to be considered when choosing the most suitable material for the application. Lastly, maintaining the integrity of the monolithic refractory lining system over its lifetime is a challenge. Regular inspections, repairs, and maintenance are necessary to address any issues such as cracks, erosion, or spalling. Developing a comprehensive maintenance plan and ensuring access to skilled personnel for repairs are essential aspects of designing a successful lining system with monolithic refractories.
- Q:How are monolithic refractories different from traditional refractories?
- Monolithic refractories differ from traditional refractories in their composition and installation process. Unlike traditional refractories, which are made from pre-formed bricks or shapes, monolithic refractories are produced as a single, homogeneous mass. This allows for easier and faster installation, as they can be poured or gunned into place. Monolithic refractories also exhibit better thermal shock resistance, higher strength, and improved resistance to chemical attacks, making them a preferred choice in many industrial applications.
- Q:What types of monolithic refractories are commonly used in the iron and steel industry?
- Commonly used monolithic refractories in the iron and steel industry include castables, gunning mixes, and ramming mixes.
- Q:How do monolithic refractories contribute to the overall safety of iron and steel operations?
- Monolithic refractories play a crucial role in ensuring the overall safety of iron and steel operations by providing several important benefits. Firstly, monolithic refractories are known for their high thermal insulation properties, which means they can effectively withstand extreme temperatures and prevent heat loss. This is particularly important in iron and steel operations, where high temperatures are involved in various processes such as melting, casting, and heat treatment. By minimizing heat loss, monolithic refractories help in maintaining a stable temperature environment, reducing the risk of accidents and ensuring the safety of personnel. Secondly, monolithic refractories offer excellent resistance to chemical attacks. In iron and steel operations, various chemicals and gases are present that can corrode and deteriorate the lining of furnaces, ladles, and other equipment. By providing a protective barrier, monolithic refractories prevent the penetration of these corrosive substances, thus extending the lifespan of the equipment and reducing the likelihood of failures or leaks that could pose safety hazards. Additionally, monolithic refractories are known for their structural integrity and high mechanical strength. In iron and steel operations, heavy loads and stresses are common, especially during the handling and movement of molten metal and raw materials. Monolithic refractories can withstand these stresses without cracking or collapsing, ensuring the structural stability of the equipment and minimizing the risk of accidents or equipment failure. Furthermore, monolithic refractories offer excellent thermal shock resistance. During iron and steel operations, sudden temperature changes can occur due to the introduction of cold materials or liquids into hot equipment. This thermal shock can cause cracking and spalling of the refractory lining, which can compromise the safety and efficiency of the operation. Monolithic refractories, with their ability to withstand thermal shock, help in minimizing the risk of unexpected failures and maintaining the overall safety of the operation. In conclusion, monolithic refractories contribute significantly to the overall safety of iron and steel operations by providing high thermal insulation, chemical resistance, structural integrity, and thermal shock resistance. By ensuring a stable temperature environment, protecting against chemical attacks, withstanding heavy loads, and resisting thermal shock, monolithic refractories help in preventing accidents, equipment failures, and potential hazards, thus creating a safer working environment for personnel in the iron and steel industry.
- Q:How are monolithic refractories applied in the hot face and cold face of furnace linings?
- Monolithic refractories are applied in the hot face and cold face of furnace linings through different methods. For the hot face, monolithic refractories are typically sprayed or troweled onto the surface, forming a dense and heat-resistant layer. This layer protects the furnace from high temperatures and thermal shocks. In contrast, for the cold face, monolithic refractories are usually cast or gunned into place, creating a more insulating layer. This layer helps to maintain a lower temperature on the outer surface of the furnace lining. Overall, the application of monolithic refractories in both the hot face and cold face ensures optimal performance and durability of furnace linings.
- Q:How do monolithic refractories contribute to the overall productivity of iron and steel production?
- The overall productivity of iron and steel production is greatly enhanced by the use of monolithic refractories. These refractories are crucial components utilized in the lining of high-temperature furnaces and other equipment employed in these industries. One of the ways in which monolithic refractories boost productivity is through their exceptional thermal insulation capabilities. By possessing high thermal conductivity, they effectively minimize heat loss from the furnaces, thereby reducing energy consumption and enhancing overall efficiency. This insulation property permits higher operating temperatures, resulting in faster and more efficient production processes. Furthermore, monolithic refractories exhibit superior resistance to thermal shock and chemical corrosion. Given the harsh conditions experienced during the iron and steel production process, such as rapid temperature fluctuations and exposure to molten metal and slag, these refractories are designed to withstand such extreme environments. This ensures prolonged service life and decreased downtime for maintenance and repairs, directly leading to increased productivity and reduced production costs. Additionally, monolithic refractories offer improved dimensional stability in comparison to traditional brick refractories. Their ability to conform to intricate shapes and structures allows for enhanced lining design, facilitating superior heat transfer and distribution. This uniformity in heat distribution contributes to improved process control and greater consistency in product quality. Moreover, the installation and repair of monolithic refractories are relatively simpler and quicker when compared to traditional brick refractories. This ease of installation and repair reduces downtime during maintenance, enabling more continuous production. The decreased downtime ultimately leads to increased productivity and higher output. In conclusion, monolithic refractories significantly contribute to the overall productivity of iron and steel production through their excellent thermal insulation, resistance to thermal shock and chemical corrosion, improved dimensional stability, and ease of installation and repair. These properties result in enhanced energy efficiency, reduced downtime, improved process control, and higher product quality, ultimately leading to increased productivity and profitability for the industry.
- Q:Can monolithic refractories be customized for specific iron and steel processing requirements?
- Yes, monolithic refractories can be customized for specific iron and steel processing requirements. Monolithic refractories are versatile and can be tailored to meet the specific needs of different processing techniques such as iron and steel production. They can be formulated with different materials, densities, and compositions to withstand high temperatures, resist corrosion, and provide optimal thermal insulation. This customization ensures that the refractories effectively protect the equipment and enhance the efficiency and productivity of iron and steel processing operations.
- Q:What are the common failure modes of monolithic refractories in iron and steel applications?
- Monolithic refractories are widely used in iron and steel applications due to their excellent thermal shock resistance, high temperature stability, and mechanical strength. However, like any other material, they are not immune to failure. There are several common failure modes associated with monolithic refractories in iron and steel applications. 1. Spalling: Spalling is one of the most common failure modes of monolithic refractories. It refers to the detachment of refractory material from the surface due to thermal cycling, mechanical stress, or chemical reactions. Spalling can occur due to mismatched thermal expansion coefficients between the refractory and the surrounding structure, leading to cracking and subsequent detachment. 2. Erosion: Erosion is another prevalent failure mode in iron and steel applications. It occurs when the refractory material is subjected to the erosive action of molten metal, slag, or gases. The erosion can be a result of the physical impact of the flowing metal or the chemical attack by corrosive slag components. Erosion leads to the loss of refractory material, decreased lining thickness, and compromised performance. 3. Corrosion: Corrosion is a significant failure mode in iron and steel applications, particularly in contact with aggressive atmospheres or molten metal. Corrosion can result from chemical reactions between the refractory material and the corrosive agents, such as oxides, sulfides, or alkalis present in the environment. It leads to the formation of corrosion products, which can weaken the refractory lining and reduce its lifespan. 4. Thermal shock: Monolithic refractories are exposed to extreme temperature fluctuations in iron and steel applications. Rapid heating or cooling can lead to thermal shock, causing cracking and failure of the refractory material. Thermal shock can occur due to uneven heating or cooling, sudden changes in temperature, or thermal gradients within the refractory lining. 5. Abrasion: In certain iron and steel applications, monolithic refractories can be subjected to abrasive wear. This occurs when the refractory lining comes into contact with solid particles, such as metallic oxides, slags, or raw materials. The repeated impact and rubbing action of these particles can cause erosion and abrasion of the refractory material, leading to its failure. To mitigate these failure modes, proper refractory selection, installation techniques, and maintenance practices are crucial. Regular inspection, repair of damaged areas, and application of protective coatings can help extend the lifespan and performance of monolithic refractories in iron and steel applications.
- Q:How do monolithic refractories improve the quality and consistency of iron and steel products?
- Monolithic refractories play a crucial role in improving the quality and consistency of iron and steel products. These refractories are unshaped and can be easily molded and installed, providing several advantages over traditional brick refractories. Firstly, monolithic refractories offer better thermal insulation properties, ensuring effective heat management during the production process. By maintaining consistent and controlled temperatures, these refractories prevent thermal shocks and minimize thermal gradients, leading to reduced cracking and distortion in the final products. This results in improved dimensional stability and overall better quality. Furthermore, monolithic refractories have excellent resistance to thermal spalling and erosion. They can withstand high temperatures, chemical attacks, and mechanical stress, protecting the lining of the furnaces and vessels used in iron and steel production. This resistance enhances the durability and reliability of refractory linings, preventing premature failure and extending the lifespan of the equipment. Another advantage of monolithic refractories is their ability to provide a seamless lining. Unlike brick refractories, which have joints and gaps that can lead to heat loss and uneven distribution, monolithic refractories create a continuous lining with no weak points. This ensures uniform heat distribution and minimizes the risk of hotspots or cold spots, resulting in consistent and reliable iron and steel products. Monolithic refractories also offer flexibility in design and installation. They can be customized to fit various shapes and sizes, allowing for better furnace design optimization. This flexibility enables efficient use of space, improved heat transfer, and reduced energy consumption, all of which contribute to the overall quality and consistency of the final iron and steel products. In summary, monolithic refractories improve the quality and consistency of iron and steel products by providing superior thermal insulation, resistance to thermal spalling and erosion, seamless linings, and flexibility in design and installation. These refractories enhance the efficiency and reliability of the production process, resulting in higher-quality final products that meet the industry's stringent standards.
- Q:What are the challenges in using monolithic refractories in the iron and steel industry?
- One of the main challenges in using monolithic refractories in the iron and steel industry is their susceptibility to thermal shock and spalling. Monolithic refractories lack the structural integrity of bricks, making them more prone to cracking and disintegration under extreme temperature fluctuations. This can result in frequent repairs and replacements, leading to increased downtime and costs for the industry. Additionally, the application of monolithic refractories requires skilled labor and precision, as their installation requires careful mixing and proper curing to ensure optimal performance.
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Monolithic High Temperature Castable Refractory Cement for Iron and Steel Industry
- Ref Price:
-
- Loading Port:
- Dalian
- Payment Terms:
- TT or LC
- Min Order Qty:
- 23 m.t.
- Supply Capability:
- 60000 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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