Refractory Brick
ZhenAn is a corporation that integrates production, processing, sales, and import and export operations. With thirty years of expertise, we are a top producer and supplier of metallurgical raw materials, dedicated to offering premium ferroalloys, Silicon Metal and Silicon Metal Powders, Ferro Silicon,Ferro Tungsten, Ferro Molybdenum, Ferro Vanadium, Ferro Titanium, and other items. ZhenAn offers you solutions for top-notch product supply. Establishing enduring and steady working partnerships and turning into a reliable partner for our clients are our objectives.
Why Choose Us
Our factory
We have our own processing plant, It has a 30,000 square meter footprint, produces and sells more than 1.5 million tonnes of goods annually, and is equipped with all the latest production tools. So far, the company has 2 production plants, 8 12500KW submerged arc furnaces, multiple crushing equipment production lines, and more than 300 employees.
Sale Market
We have established long-term and stable cooperative relationships with customers in many countries and regions around the world, We not only meet the needs of China steel companies but also export our products to 150 countries and regions including Japan, South Korea, India, Europe, and the United States.
Good Experience
Our engineers have many years of experience in refractory production and application, and can provide customized solutions for different customer needs.
Our After-Sales
All after-sale requests will be responded to in 24 hours. Close follow-up of all orders by special person and keep customers informed timely. We provide you with quick and warm service throughout the whole process.
Benefits of Refractory Brick
High temperature resistance
Fire bricks can withstand extremely high temperatures of up to 1800°C without deforming or cracking, making them ideal for use in furnaces, kilns, and other high-temperature applications.
Thermal shock resistance
Fire bricks have excellent thermal shock resistance, meaning they can withstand rapid changes in temperature without cracking or breaking.
Chemical resistance
Fire bricks are highly resistant to chemical attack, making them suitable for use in corrosive environments.
Mechanical strength
Fire bricks have high compressive strength, which makes them suitable for use in high-stress applications.
Low thermal conductivity
Fire bricks have low thermal conductivity, which helps to reduce heat loss and improve energy efficiency.
Insulation properties
Fire bricks can provide insulation, helping to conserve heat and reduce energy consumption.
Durability
Fire bricks are durable and long-lasting, providing reliable performance over extended periods of time.
Versatility
Fire bricks come in a variety of sizes and shapes, making them suitable for various applications and designs.
Types of Refractory Brick
Standard Refractory Bricks
Standard bricks are the most common type and are used in general high-temperature applications. They provide excellent resistance to heat and can withstand temperatures ranging from 1400°C to 1800°C.
01
Insulating Refractory Bricks
Insulating bricks are lightweight bricks with low thermal conductivity. They are used to insulate furnaces, kilns, and other heat-processing equipment, reducing heat loss and improving energy efficiency.
02
Fire Clay Refractory Bricks
Fire clay refractory bricks are made from clay and other minerals. They are less expensive than other types of bricks and are suitable for low to moderate temperature applications.
03
High-Alumina Refractory Bricks
They contain a high percentage of alumina (Al2O3) and are suitable for applications requiring resistance to acidic and corrosive environments. They are commonly used in industries such as steelmaking and glass manufacturing.
04
Refractory Bricks Are Used For
Steel and Iron Industry
Refractory bricks are indispensable in the steel and iron industry since they are used in the fabrication of blast furnaces, converters as well as ladles. These structures work at very high temperatures and therefore come into contact with corrosive slags and molten metal. They have adequate thermal resistance and structural stability.
Cement Industry
The cement industry heavily depends on refractory bricks for lining its rotary kilns and coolers. The kilns operate at a very high temperature converting raw materials into clinker. Thus, refractory bricks protect them from thermal damage, chemical impact; thus ensuring long life and efficiency of these kilns.
Glass Industry
Refractory bricks are important in the glass industry where they are employed in making glass melting furnaces. High temperatures need materials that can withstand thermal shock and chemical corrosion that occurs due to the need to melt glasses.
Ceramics and Pottery
Kilns used to fire ceramics and pottery in the ceramics and pottery industry utilize refractory bricks. In order for these kilns to produce high-quality ceramics, they must be at a high constant temperature. Because of their thermal stability and resistance to thermal shock, fireclay bricks and high alumina bricks are often used in these applications.
Non-Ferrous Metal Industry
In non-ferrous metal industry furnaces smelting metals such as aluminum, copper, lead, etc., refractory bricks become useful. These furnaces work at high temperatures with corrosive slags. Due to the basic slags resistant nature mantle brick magnesia brick and chromite brick are commonly employed here which can withstand heat effects.
Power Generation
Particularly boilers and incinerators in power generation plants use refractory bricks. Such structures work under high temperatures conditions hence they require materials that can resist both chemical attack and thermal stress. That’s why in these cases either fireclay or high alumina bricks are usually preferred.
Petrochemical Industry
The petrochemical industry utilizes refractory bricks in reactors, reformers, and other units that have a high-temperature process path. For this reason, there is a need for materials capable of resisting thermal cycling and chemical corrosion within these surroundings. Refractory is what saves them from frequent replacements hence ensuring safe operations on efficiency grounds.
Specification of Refractory Brick
|
Item |
Fireclay Brick |
||
|
High Duty Fireclay Brick |
Super Duty Fireclay Brick |
High Fired ,Super Duty Fireclay Brick |
|
|
Al2O3 |
≥36 % |
≥42 % |
≥42.1 |
|
Fe2O3 |
≤2.5% |
≤2.5% |
≤2.0 |
|
Pyrometric Cone Equivalent |
32 |
34 |
34 |
|
Bulk Density |
≥2.15 |
≥2.20 |
≥2.29 |
|
Apparent Porosity |
22-24% |
22-24% |
17-19% |
|
Cold crushing strength |
≥25 |
≥35 |
≥42 |
|
Hot Load Test Deformation at 1350ºC |
1% |
-0.2 to -0.7% |
≥05-0.7% |
|
Permanent Linear Change at 1400 ºC |
0% |
0% |
0% |
Product Description
Refractory Fire Bricks: Packing & Delivery Details
Payment Mode
We accept all types of payments that are through Cash, Credit Card, Cheque, and DD.
Shipment Mode
We ensure time deliveries event to remote locations through roadways.
Packaging
We provide customized packaging as per valuable consumer requirements.
FAQ