High Temperature Castable Refractory Cement Castable
- 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 different techniques for installing monolithic refractories?
- Installing monolithic refractories can be accomplished using various techniques, each with its own advantages and suitability for different applications. Some commonly employed methods are as follows: 1. Casting: This involves creating a slurry by mixing the refractory material with water or a binder. The resulting mixture is then poured into molds or directly onto the prepared surface. Once set and hardened, it forms a solid monolithic structure. 2. Gunning: By utilizing a gunning machine, the refractory material is sprayed onto the surface. The material is combined with water or a binder to form a wet mix, which is then propelled onto the surface at high velocity. Gunning is commonly used for on-site repairs or lining larger areas. 3. Ramming: In this technique, the refractory material is compacted into place using a pneumatic or manual ramming tool. Prior to ramming, the material is typically preheated to decrease moisture content and enhance workability. Ramming is often employed for lining smaller areas or filling gaps between bricks or precast shapes. 4. Shotcreting: Similar to gunning, shotcreting involves using a dry mix of refractory material. The dry mix is combined with water or a binder just before being sprayed onto the surface using a high-pressure nozzle. Shotcreting is frequently used for lining larger areas or creating intricate shapes. 5. Troweling: This technique entails applying the refractory material onto the surface using a trowel or similar tool. The material used is typically a wet mix that is spread and smoothed manually. Troweling is commonly employed for patching or repairing small areas, as well as for adding finishing touches. 6. Vibrating: By using a vibrating tool or vibrator, the refractory material is compacted and any air pockets are eliminated. Vibrating is often used to improve the density and strength of the monolithic refractory after it has been installed using other techniques. It is essential to consider various factors, such as the type of refractory material, the size and shape of the area to be lined, and the specific requirements of the application when selecting the appropriate technique. Additionally, proper surface preparation and adherence to installation guidelines are crucial to ensure the effectiveness and longevity of the monolithic refractory.
- Q:What types of monolithic refractories are commonly used in the iron and steel industry?
- In the iron and steel industry, several types of monolithic refractories are commonly used due to their high resistance to extreme temperatures and mechanical stresses. These refractories are essential for lining furnaces, ladles, and other equipment used in the production of iron and steel. One commonly used monolithic refractory in this industry is castable refractory. It is a mixture of refractory aggregates, binders, and additives that can be poured or cast into various shapes and sizes. Castable refractories are versatile and can be easily installed, making them suitable for lining large furnaces and ladles. They offer good thermal insulation and excellent resistance to thermal shocks. Another type of monolithic refractory used in the iron and steel industry is plastic refractory. It consists of a high-alumina refractory aggregate mixed with a bonding agent, usually clay. Plastic refractories have a high plasticity and can be easily shaped by hand or with a trowel. They are commonly used for repairs and patching in furnaces and ladles. Ramming refractories are also commonly employed in the iron and steel industry. These refractories are made of granular refractory materials mixed with a binder. They are installed by ramming the mixture into the desired shape using a pneumatic hammer or manual ramming tools. Ramming refractories offer high resistance to abrasion and erosion, making them suitable for lining the bottoms of furnaces and other areas subjected to intense mechanical wear. Lastly, gunning refractories are frequently used in the iron and steel industry. Gunning refractories are made of fine refractory powders mixed with water or a bonding agent. They are applied using a gunning machine, which propels the refractory material onto the surface to be lined. Gunning refractories are commonly used for repairing and maintaining the linings of ladles, tundishes, and other equipment. Overall, the iron and steel industry relies on a variety of monolithic refractories such as castables, plastics, rammings, and gunnings to ensure the reliable and efficient operation of their equipment in high-temperature environments. These refractories provide excellent thermal insulation, resistance to thermal shocks, and mechanical strength essential for the production of iron and steel.
- Q:How are monolithic refractories installed in iron and steel production processes?
- Monolithic refractories are installed in iron and steel production processes using various methods depending on the specific application and requirements. The installation process typically involves the following steps: 1. Surface Preparation: Before installing monolithic refractories, the surface where they will be applied must be properly prepared. This involves cleaning and removing any loose materials, dust, or contaminants from the substrate. 2. Mixing: Monolithic refractories consist of different materials such as aggregates, binders, and additives. These components are mixed in specific proportions to achieve the desired properties and consistency. The mixing process can be done manually or using mechanical mixers. 3. Application: There are different techniques for applying monolithic refractories, including gunning, casting, ramming, and troweling. The chosen method depends on factors such as the shape of the structure, accessibility, and required thickness. - Gunning: This method involves using a gunning machine to spray the refractory material onto the surface. It is commonly used to repair or patch existing linings or for rapid installation in areas that are difficult to access. - Casting: In casting, the refractory material is poured into molds or forms and left to set and harden. This method is suitable for creating complex shapes and large-sized components. - Ramming: Ramming involves manually or mechanically compacting the refractory material into a mold or form using a ramming tool. This technique is commonly used for lining induction furnaces, ladles, and other equipment. - Troweling: Troweling is a manual method where the refractory material is applied and smoothed using a trowel. It is often used for smaller repairs or touch-ups. 4. Curing: After the refractory material is applied, it needs to be cured to achieve its optimum strength and performance. Curing involves allowing the material to dry and harden at a controlled temperature and humidity for a specified period. This step is crucial to ensure the long-term durability and resistance of the monolithic refractory lining. Overall, the installation of monolithic refractories in iron and steel production processes requires careful preparation, proper mixing, and the appropriate application technique. It is essential to follow manufacturer guidelines and industry best practices to ensure a successful installation that meets the specific needs of the production process.
- Q:What are the benefits of using monolithic refractories in the iron and steel industry?
- Using monolithic refractories in the iron and steel industry has several advantages. Firstly, they have excellent thermal shock resistance, meaning they can withstand extreme temperature changes without cracking or spalling. This is crucial in an industry where materials are exposed to high temperatures during processes such as melting, casting, and heat treatment. Secondly, monolithic refractories have superior corrosion resistance, making them highly durable against the corrosive effects of molten metals and slag. This is particularly important in the iron and steel industry, where materials come into contact with aggressive molten iron, steel, and various chemical compounds. Furthermore, monolithic refractories provide excellent mechanical strength and abrasion resistance. They can withstand mechanical stress, vibrations, and impacts commonly encountered in the iron and steel industry. This ensures a longer lifespan for the refractories, reduces downtime for repairs or replacements, and improves overall operational efficiency. Additionally, monolithic refractories offer ease of installation and repair. Unlike traditional refractory bricks that require complex and time-consuming masonry work, monolithic refractories can be quickly and easily installed using simple methods such as casting, gunning, or spraying. This saves time and labor costs during initial installation and subsequent maintenance or repairs. Moreover, monolithic refractories provide flexibility in design and application. They can be customized to specific shapes and sizes, allowing for tailored linings in different parts of the iron and steel manufacturing process. This versatility enhances the overall efficiency and effectiveness of refractory linings, optimizing production output and ensuring consistent quality of the finished iron and steel products. In conclusion, there are numerous benefits to using monolithic refractories in the iron and steel industry. They offer exceptional thermal shock resistance, corrosion resistance, mechanical strength, and abrasion resistance. They are also easy to install and repair, and their flexibility allows for customized designs. Overall, monolithic refractories contribute to improved productivity, reduced downtime, and enhanced product quality in the iron and steel industry.
- Q:How do monolithic refractories resist corrosion and erosion in iron and steel applications?
- Monolithic refractories are highly resilient and effective in resisting corrosion and erosion in iron and steel applications. These refractories are composed of a single, homogeneous material, unlike traditional refractory bricks which are made up of multiple components. This monolithic nature provides several key advantages in terms of corrosion and erosion resistance. One of the primary ways monolithic refractories combat corrosion is through their low porosity. These materials have a minimal amount of interconnected pores, which prevents corrosive agents such as molten metal or slag from infiltrating the refractory structure. As a result, the likelihood of chemical reactions that cause corrosion is significantly reduced. Additionally, monolithic refractories exhibit excellent resistance to thermal shock. In iron and steel applications, rapid temperature changes are common, which can lead to mechanical stress and cracking of the refractory lining. However, monolithic refractories have high thermal conductivity and low thermal expansion, allowing them to withstand thermal shock without compromising their integrity. This characteristic enables them to resist erosion caused by the flow of molten metal or slag. Furthermore, monolithic refractories are highly durable and have good mechanical strength. This property enables them to withstand the abrasive forces often encountered in iron and steel applications. The refractory lining in these environments can be subject to intense mechanical impact, vibrations, and abrasive wear due to the movement of materials and equipment. Monolithic refractories' ability to resist erosion ensures their longevity and reliability in such harsh conditions. In summary, monolithic refractories resist corrosion and erosion in iron and steel applications through their low porosity, excellent resistance to thermal shock, and high mechanical strength. These qualities make them a preferred choice for lining furnaces, ladles, and other equipment used in the production of iron and steel.
- Q:What are the key factors to consider when designing the lining system with monolithic refractories?
- When designing a lining system with monolithic refractories, there are several key factors that need to be considered. Firstly, the operating conditions of the system need to be thoroughly assessed. Factors such as temperature, pressure, and chemical composition of the materials being processed should be taken into account. This will help determine the appropriate type of monolithic refractories to be used. Secondly, the physical and mechanical properties of the refractories should be considered. These include factors like thermal conductivity, thermal expansion, and mechanical strength. The refractories should have properties that are compatible with the specific requirements of the system to ensure optimal performance and longevity. Thirdly, the installation method and techniques need to be carefully planned. The lining system should be designed in a way that allows for proper installation and ensures a tight seal to prevent any leakage or infiltration. The installation process should also take into account factors like curing time and temperature to ensure the refractories achieve their desired properties. Lastly, the cost and availability of the refractories should be considered. It is important to choose refractories that are cost-effective and readily available in the market. This will help ensure that any maintenance or repairs can be done efficiently without causing significant downtime or additional expenses. By considering these key factors, a well-designed lining system with monolithic refractories can be implemented, providing optimal performance, durability, and cost-effectiveness for the specific application.
- Q:What are the specific requirements of monolithic refractories for ladle transfer applications?
- Monolithic refractories used in ladle transfer applications have specific requirements to ensure their effectiveness and durability. These requirements are essential for maintaining the integrity of the ladle lining and preventing any issues during the transfer process. Firstly, monolithic refractories for ladle transfer applications must have excellent thermal shock resistance. Ladles are subjected to extreme temperature changes during the transfer process, and the refractories must be able to withstand rapid heating and cooling without cracking or spalling. This property helps to prevent any damage to the lining and maintains the structural integrity of the ladle. Secondly, ladle transfer applications require monolithic refractories with high resistance to chemical attack. Ladles often come into contact with various molten metals and slag, which can have corrosive properties. The refractories must be able to withstand these corrosive environments and maintain their physical and chemical properties over time. Another important requirement is good mechanical strength. Ladles can experience significant mechanical stress during the transfer process, including impacts and vibrations. Therefore, the monolithic refractories need to have sufficient strength to resist these mechanical forces and prevent any cracking or failure in the lining. Furthermore, ladle transfer applications often involve the use of fluxes and additives, which can have different physical properties. The refractories used must have compatibility with these fluxes and additives to ensure proper performance and avoid any adverse reactions that could affect the ladle's lining. Lastly, monolithic refractories for ladle transfer applications should have low porosity. Low porosity helps to minimize the penetration of molten metal and slag into the refractory lining, reducing the risk of erosion and extending the service life of the refractories. In summary, the specific requirements of monolithic refractories for ladle transfer applications include excellent thermal shock resistance, high resistance to chemical attack, good mechanical strength, compatibility with fluxes and additives, and low porosity. By meeting these requirements, the refractories can effectively withstand the harsh conditions of ladle transfer and ensure the longevity and performance of the ladle lining.
- 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:How do monolithic refractories improve the lining of converters and refining vessels?
- Improving the lining of converters and refining vessels is a crucial role played by monolithic refractories in several ways. To begin with, these refractories offer exceptional thermal insulation properties, which effectively maintain the desired temperature within the converters and refining vessels. This is particularly important as the metallurgical processes require high temperatures to be effective. Furthermore, the high chemical resistance of monolithic refractories is vital in the harsh conditions of converters and refining vessels. These vessels often come into contact with corrosive materials and aggressive slags, but the monolithic refractories prevent any deterioration or erosion of the lining caused by these substances. In addition, the mechanical strength and stability provided by monolithic refractories ensure that the lining remains intact even under high operational stresses. This is especially significant in converters and refining vessels where frequent mechanical movements and thermal expansions occur. Moreover, monolithic refractories offer easy installation and repair compared to traditional bricks, which require complex and time-consuming assembling. Monolithic refractories can be applied as a single mass, minimizing downtime during installation or repair. This results in time and cost savings for maintaining the lining of converters and refining vessels. Overall, the utilization of monolithic refractories significantly enhances the performance and longevity of converters and refining vessels. Their excellent thermal insulation, chemical resistance, mechanical strength, and ease of installation and repair guarantee efficient and reliable operation in metallurgical processes.
- Q:What are the recent developments in monolithic refractories for the iron and steel industry?
- Recent developments in monolithic refractories for the iron and steel industry include advancements in material composition, manufacturing techniques, and application methods. These developments have led to improved refractory performance, enhanced durability, and increased energy efficiency. Some notable developments include the use of new raw materials, such as nano-sized additives and ultra-high temperature-resistant binders, which enhance the refractory's resistance to thermal shock and corrosion. Additionally, advancements in manufacturing techniques, such as advanced mixing technologies and precise curing processes, have resulted in more homogenous and consistent refractory structures. Furthermore, there have been innovations in application methods, including the use of robotic systems for precise and efficient installation, leading to reduced downtime and increased productivity in the iron and steel industry. Overall, these recent developments in monolithic refractories have significantly contributed to the optimization of iron and steel production processes.
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High Temperature Castable Refractory Cement Castable
- 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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