Monolithic Refractory
Your Professional Monolithic Refractory Manufacturer
Kerui Refractory – For your best choice!
Kerui Refractory has now become one of the powerful refractory enterprises in the research, development, production and sales of refractory products, and its product uses cover the use of refractory materials for high-temperature kilns and equipment in metallurgy, chemical industry, building materials, electric power, military industry, non-ferrous metals, carbon industry and other industries.
Why Choose Us
High standard manufacturing
In the production, Kerui adhere to the use of sophisticated equipment and technology, respectively, to ensure the precision of powder ratio, improve the strength and refractories of refractory products, reduce the rate of defective products, to ensure the stability and reliability of product quality.
Excellent technical team
Kerui has a complete pre-sale technical team and standardized customer service consultation process to provide customers with the design, production, construction and maintenance of the overall furnace refractory, and help customers quickly select the appropriate furnace construction and maintenance plan.
Construction services
At the time of product delivery, we provide product operation manuals to guide the whole process of product construction, and provide product maintenance strategies and precautions to ensure construction quality and stable use.
High productivity
Kerui refractory produces 150000 tons of sintered products and 100000 tons of unshaped refractory materials annually. The company has four plants, namely heavy bricks, light bricks, unshaped bricks and fused bricks.
Advantages of monolithic refractory
Ease of installation
Monolithic refractory materials are easier and quicker to install than refractory bricks, which reduces business owners' costs. They can be installed by casting, vibrating, cementing, gunning, or ramming methods, depending on the type of material being used.
Joint-free linings
As these materials do not have any joints or seams, this significantly reduces the risk of corrosion and thermal shock. Another benefit to joint-free linings is that they are easier to clean, which saves time and money on maintenance.
Outstanding performance
Monolithic refractory outperform traditional refractory bricks because of their abrasion, corrosion, and thermal shock resistance. These properties contribute to a longer and smoother operating life.
Versatility in industrial applications
Monolithic refractory have exceptional properties that enable them to withstand harsh chemical environments and high pressures and temperatures. This makes them suitable for a wide range of applications and industries.
Types of monolithic refractory
Castable refractories
Castable refractories are materials that contain precision-graded fine and coarse refractory grains. They are gelled with the help of a binder system in the material’s green state. After the material is heated, the binder either changes or volatilizes allowing the formation of a ceramic bond. High alumina cement (HAC) is the most typical binder used in castables.
Plastic refractories
Plastic refractories are monolithic refractory materials that are tempered with water and/or integrated with a binder. They have adequate plasticity to be rammed or pounded into place.
Ramming refractories
Ramming refractories are just like plastic refractories but are much stiffer mixes.
Patching refractories
Patching refractories are akin to plastic refractories and have very soft plasticity. This allows them to be pounded into place.
Coating refractories
Coating refractories are used to safeguard refractory linings typically against chemical attack. These products are typically used to cover only the working surface of a lining. Coating refractories have fairly thin layers.
Refractory mortars
Mortars contain finely ground refractory materials that are blended with water to create a paste. They are utilized for laying and bonding shaped refractory products like bricks. They are usually applied by trowelling.
Insulating castables
Insulating castables are essentially specialized monolithic refractories that are used on the cold face of applications. They are produced from lightweight aggregate materials such as bubble alumina, perlite, vermiculite, extendospheres, and expanded clay. Thermal insulation is the primary function of these castables.
Applications of monolithic refractory
Petrochemical applications
In applications like petroleum refineries, refractories are mainly used, keeping in mind their insulating and abrasion-resistant properties.Sections such as reactors and cyclone walls are lined with dense high alumina castables. Different areas of chemical plants such as high-pressure vessels and reactors are generally lined with high-grade alumina monolithic.
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Cement plant applications
Monolithic refractories are used in portions of cement kilns, usually at the outlet, where wear rates are higher. In these areas, dense silicon carbide-based castables are often used.
The shell of the exhaust gas duct is created from both dense and insulating castable material. In the cooler areas of the plant, the ceiling is lined with monolithic refractories.
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Incinerators
Incinerators used for disposing of municipal waste, largely depend on different monolithic linings. The entrance section of the primary combustion chamber is lined with an abrasion-resistant castable.
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Non-ferrous metallurgy
Monolithics are mostly used as repair materials and backing insulation in the majority of non-ferrous applications.In the aluminum sector, melting furnaces are made completely from monolithic refractories. While the heating chamber is lined with high alumina castable, sections in direct contact with the metal are created from phosphate-bonded plastic refractory.
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Castables must always be stored in a cool and dry area.
One must ensure that the mixers and tools are free from old castable or any other material that can contaminate the product. Such contamination could affect the strength of the castable mix.
Only drinking suitable water should be used to mix castable. The temperature of the mix should be optimal as well.
Be careful while mixing castable, like castable refractory cement. Too much mixing generates heat and speeds up the setting time.
The forms should be covered with oil or grease to prevent moisture loss.
After placing the mix, the castable needs to be cured for 18 to 24 hours straight. Cover it with polyethylene sheets and spray it with cold water periodically. It will maintain the moisture of the mix and promote uniform curing at the applied area.
Payment Mode : We accept all types of payments that are through Cash, Credit Card, Cheque, and DD.
Shipment Mode : Normal goods delivered by sea transport，Sample shipping by express.
Packaging : Our packaging is as per customer’s request.
Delivery time：We will shipping and delivery goods timely, quanlity and quantity guaranteed, and also in accordance with the contract and customer's requirment completely.
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