Fire Bricks / Fire Cements
At Olinc Industrial Products & Equipments Limited, we are the leading dealer of genuine fire bricks, refractory cement (fire cement) and other refractory materials for your applications such as:
- Furnaces
- Incinerators
- Boilers
- Kilns
- Pizza Ovens
- Fire Places
Firebricks / Refractory Bricks
Fire bricks are refractory blocks made of hydrated silicates and minerals with high aluminium oxides content suitable to resist high temperatures. They are used in lining of furnaces, kilns, fire places, pizza ovens, boiler houses, incinerators and other areas that involve extreme temperatures.
Olinc Industrial Products & Equipment Ltd, is a leading supplier of genuine refractory bricks in Kenya, Uganda, Tanzania and other parts in East Africa. We specialize on two types of bricks; the 40% alumina content and 70% alumina content.
40% Alumina Content fire bricks: The aluminium Oxide content of these bricks ranges 40%, giving a service temperature range of 1500oC. These bricks are used in most of the constructions such as fire places, pizza ovens, furnaces, incinerators, boiler houses among other places. This brick weighs 4.2kgs and measures 230mm x 115mm x 75mm.
70% Alumina Content Bricks: These bricks contains high aluminium oxide content giving them a high temperature range of 1800oC. The main applications of these bricks are industrial, blast furnaces and other applications that high thermal tolerance. This brick weighs 5.3kgs and measures 230mm x 115mm x 75mm.
Insulating Bricks
Insulating Bricks are mainly white in colour, and lightweight are made from refractory materials providing them with excellent qualities of thermal insulation. They are mainly used as back-up layers of other refractory materials or as hot faces in thermal units.
The main applications of the insulating bricks chimney linings, hot-face linings for kilns, furnaces and brazen hearths among others.
Features of Fire bricks
Fire bricks, also known as refractory bricks or heat-resistant bricks, are specialized bricks designed to withstand high temperatures and thermal shock.
Here are some key features of fire bricks:
High Temperature Resistance: Fire bricks are capable of withstanding extremely high temperatures without deforming, cracking, or disintegrating. They are designed to retain their structural integrity even at temperatures exceeding 2000°F (1093°C).
Low Thermal Conductivity: Fire bricks have low thermal conductivity, meaning they do not conduct heat well. This property allows them to act as efficient insulators, helping to retain heat within a furnace, fireplace, or kiln and preventing heat loss to the surrounding environment.
Resistance to Thermal Shock: Fire bricks are engineered to withstand rapid changes in temperature without cracking or breaking. This resistance to thermal shock is crucial in applications where heating and cooling cycles occur frequently, such as in furnaces and kilns.
Chemical Resistance: Fire bricks are resistant to chemical corrosion from substances such as molten metals, slag, and acidic or alkaline gases. This chemical resistance makes them suitable for use in industrial processes involving the handling of corrosive materials.
Dimensional Stability: Fire bricks maintain their shape and dimensions even under prolonged exposure to high temperatures. This dimensional stability ensures the integrity of the structure in which they are used and helps to prevent gaps or cracks from forming, which could compromise their effectiveness.
Uniform Composition: Fire bricks are typically manufactured with uniform composition and density to ensure consistent performance and reliability. They are made from refractory ceramic materials such as alumina, silica, or magnesia, which are carefully selected for their heat-resistant properties.
Various Shapes and Sizes: Fire bricks are available in a variety of shapes and sizes to suit different applications. They may come in standard shapes such as rectangular, square, or wedge-shaped bricks, as well as specialized shapes for specific purposes such as arches, domes, and skew bricks.
Ease of Installation: Fire bricks are relatively easy to install, allowing for flexibility in construction and repair projects. They can be cut, shaped, and laid using standard masonry techniques, making them suitable for both new installations and refurbishments of existing structures.
Applications of Fire bricks
- Pizza Ovens and Barbecue Grills: Fire bricks are used to construct the cooking chamber and hearth of wood-fired pizza ovens and barbecue grills. Their ability to withstand high temperatures ensures even heat distribution and efficient cooking.
Furnaces and Kilns: Fire bricks are extensively used to line the interior walls of furnaces, kilns, and ovens used in industries such as steelmaking, glassmaking, ceramics manufacturing, and heat treatment. They provide thermal insulation and resistance to high temperatures, allowing these heating appliances to operate efficiently and withstand thermal cycling.
Fireplaces and Chimneys: Fire bricks are used to line the fireboxes and chimney flues of residential and commercial fireplaces. They provide insulation and protection against heat, preventing the surrounding structure from overheating and reducing the risk of fire damage. Fire bricks help to improve the efficiency and safety of fireplace installations.
Boilers and Incinerators: Fire bricks are employed in the construction of combustion chambers, walls, and linings for boilers, incinerators, and waste-to-energy plants. They withstand the extreme temperatures generated by combustion processes and provide thermal insulation to optimize energy efficiency and minimize heat loss.
Foundries and Metal Casting: Fire bricks are used to construct crucibles, molds, and linings for melting furnaces and foundry equipment. They withstand the high temperatures of molten metal and provide a durable surface for casting operations. Fire bricks help to maintain the integrity of the casting process and ensure high-quality metal products.
Cement and Lime Kilns: Fire bricks are utilized in the construction of rotary kilns and vertical kilns used in cement and lime production. They line the interior of the kilns to withstand the high temperatures required for calcination and sintering processes. Fire bricks help to ensure uniform heat distribution and efficient production of cement and lime products.
Glass Furnaces and Refractory Walls: Fire bricks are crucial components in the construction of glass melting furnaces and refractory walls. They provide thermal insulation and resistance to chemical corrosion from molten glass, helping to maintain stable operating conditions and prolonging the service life of furnace linings.
Power Plants and Petrochemical Refineries: Fire bricks are used in the construction of boilers, reactors, and process vessels in power plants and petrochemical refineries. They withstand the high temperatures and corrosive environments encountered in steam generation, chemical processing, and power generation applications.
Ceramic and Brick Manufacturing: Fire bricks are utilized in the production of ceramic products, bricks, and refractory materials. They serve as molds, kiln furniture, and linings for drying and firing processes in ceramic and brick manufacturing facilities.
Advantages of Fire bricks
High Temperature Resistance: Fire bricks are designed to withstand extremely high temperatures without deforming, cracking, or disintegrating. This property makes them ideal for use in furnaces, kilns, fireplaces, and other high-temperature applications where regular bricks would fail.
Thermal Insulation: Fire bricks have low thermal conductivity, meaning they do not conduct heat well. This insulation property helps to retain heat within heating appliances, such as furnaces and fireplaces, improving energy efficiency and reducing heat loss to the surrounding environment.
Resistance to Thermal Shock: Fire bricks are resistant to thermal shock, which occurs when a material undergoes rapid temperature changes. This resistance allows fire bricks to withstand heating and cooling cycles without cracking or breaking, ensuring long-term durability in applications with fluctuating temperatures.
Chemical Resistance: Fire bricks are resistant to chemical corrosion from substances such as molten metals, slag, and acidic or alkaline gases. This chemical resistance makes them suitable for use in industries where corrosive materials are handled, such as metal smelting, glassmaking, and chemical processing.
Dimensional Stability: Fire bricks maintain their shape and dimensions even under prolonged exposure to high temperatures. This dimensional stability ensures the integrity of the structure in which they are used and helps to prevent gaps or cracks from forming, which could compromise their effectiveness.
Versatility: Fire bricks are available in various shapes, sizes, and compositions to suit different applications and requirements. They can be customized to fit specific designs and are suitable for both new installations and refurbishments of existing structures.
Durability: Fire bricks are durable and long-lasting, even when exposed to harsh conditions. They resist wear and tear, abrasion, and mechanical stress, providing reliable performance in demanding environments.
Ease of Installation: Fire bricks are relatively easy to install using standard masonry techniques. They can be cut, shaped, and laid using common tools, making them suitable for a wide range of construction and repair projects.
Safety: Fire bricks help to improve safety by providing insulation and protection against heat in applications such as fireplaces, chimneys, and industrial furnaces. Their ability to withstand high temperatures reduces the risk of fire damage and ensures the structural integrity of the surrounding environment.