Features:
1. Good acid and slag resistance.
2. Good thermal conductivity.
3. High tridymite content.
4. Accurate dimension and good appearance.
Application:
Mainly used for coke oven of coking chamber and combustion chamber partition, steel open hearth of regenerative chamber and sediment chamber, soaking furnace, glass melting furnace, refractory silica brick materials and ceramic firing kiln and kiln of the vault and other supporting parts.
Used in the construction of regenerative chamber, chute, combustion chamber, coking chamber, furnace roof etc. parts of the coke ovens.
Also used in hot blast stove of high temperature bearing parts and the roof of acid open hearth furnace.
Technical Index:
Item Silica Brick for Coke Oven
Sole, Walls Other Positions
SiO2 % 94.5 94.5
A12O3 % 1.0 1.0
Fe2O3 % 1.0 1.0
CaO % 2.5 2.5
Apparent Porosity % 22 24
True Density g/cm3 2.32-2.33 2.32-2.34
Cold Crushing Strength MPa 40 35
Refractoriness Under Load (0.2MPa) 1650-1660
Residual Quartz % 0-1
Permanent Linear Change (1450 *2h) % 0-0.2 0-0.2
Thermal Expansion Rate 1000 % 1.28 1.30
Refractoriness 1710
Silica Brick for Coke Oven KNKSKS JG-94 Physical and chemical properties, dimension and appearance, strictly conform to DIN norm Application Construction of Coke Battery Coke Plant, Newly Built or Hot Repair
Silica bricks are the main species of silica-based refractories, where the mass fraction of SiO2 is not less than 93%. Silica brick is a typical acid refractory bricks, the acid slag has a good resistance to Al2O3, FeO, Fe2O3 and other oxides also has good resistance, but the resistance to alkaline slag is poor, easy to CaO, K2O, Na2O and other oxides and damage. Features: 1.Good acid and erosion resistance, powerful anti high-temperature strength. 2.Soften melting temperature is 1620~1670 °C. 3.Low thermal shock resistance. 4.Natural silica as raw material, plus regular mineralizer. 5.Ensure good bonding and structural strength of furnace. 6.Good heat resistance and long service life. Application: 1.Glass melting furnace, ceramic frit kiln, sodium silicate furnace, soaking furnace, ceramic kiln, etc 2.Coke oven's coking chamber, combustion chamber walls, steel open-hearth's regenerator and sediment chamber, etc. 3.Load-bearing parts of high temperature hot air furnace and acid open-hearth furnace roof, etc. Items Fire Proof Thermal Insulating SiC+SiO2,% 30 - Al2O3,% 65 50 Bulk Density,g/cm3 2.65 - Apparent Porosity,% 19 25 Cold Compressive Strength,Mpa 90 40 Refractoriness UnderLoad, ºC 1650 1680 ThermalShock Resistance,cycles(1100 ºC,water cooling) 20 20 Thermal Conductivity,w/m.k(350 ºC) 2.5 1.4
Fused silica brick has better thermal shock resistance, much lower thermal expansion, and can be used to do hot repair. Fused Silica Brick for Hot Repair of Coke Oven is similar to general silica brick, but it has better thermal shock resistance. The property of fused silica brick is similar to general silica brick, but it has better thermal shock resistance, much lower thermal expansion and it can stand suddenly change of temperature. It also can be heated in very short time after buildup and do not need to calculate thermal expansion. So we can directly use its cold size for masonry. Put on wooden pallets, tightened with iron stripes, covered with plastic bag, warped with film, shipped in pallet by container. Do corner protection and other measures to avoid products from breaking. And these packages should be under ISPM standard.
Description Adopts high quality silica and advanced technology, our silica bricks enjoy the advantages of high purity, long service life, good thermal conductivity, high refractoriness under load, and good creep resistance. In addition, it has accurate size tolerance, pure color and luster appearance. Because of the bad thermal shock resistance of silica brick, it is mainly used in the continuous operating furnace. Supporting the use of other high quality refractories, our silica brick can extent the service life of float glass furnace to 8 years and double the service life of bottle glass furnace. It is widely used in coke oven, hot blast furnace, glass furnace and carbon furnace. Applications The silica brick can be widely used in coke oven, hot blast furnace, glass furnce and carbon furnace. In glass industry, it is mainly employed to build the doghouse crown, suspended wall of channel, top crown and inlet sealing. In metallurgy industry, it is adopted as the nozzle brick. The main applications Doghouse crown, suspended wall of channel, top crown and inlet sealing of glass furnace High temperature part of coke oven. Specifications High purity Long service life Accurate size tolerance Pure color Luster appearance Advantages Good thermal conductivity High refractoriness under load Good creep resistance High refractoriness
Performance characteristics: wear resistance, corrosion resistance, peeling resistance, low creep, good thermal shock stability, service life is 1.5 times that of ordinary products; Main uses: Mainly used in blast furnaces, hot blast furnaces, carbon roasting furnaces, carbon calciners, coke ovens, steel barrels, casting systems, boilers, cement kilns, glass kilns and various kiln lining and thermal equipment, etc., suitable for metallurgy, machinery, building materials, casting, ceramics, electric power, petroleum, chemical and other industries. Standard size:230*115*65mm First-class high-alumina bricks Al2O3 75% second-class high-alumina bricks Al2O3 60%~75% third-class high-alumina bricks Al2O3 48%~60%
1. High temperature strength; 2. Resistant to corrosion in various atmospheres; 3. Excellent thermal shock stability; 4. Good thermal insulation; 5. The energy-saving effect is remarkable The operating temperature is below 1350C. Thermal insulation refractories are characterized by high porosity, generally 40%-85%; Low bulk density and low dry 1.5g/cm3: low thermal conductivity, generally less than 1.0W (m.K), it acts as the thermal insulation material of industrial kiln, can reduce the heat dissipation loss of the furnace, save energy, and can reduce the quality of the equipment under heat, the mechanical strength, wear resistance and slag erosion resistance of the thermal insulation refractory material is poor, and it is not suitable for the load-bearing structure of the kiln and direct contact with slag, charge, molten metal and other parts
Mullite bricks refer to high-alumina refractories with mullite as the main crystalline phase, and the general alumina content is between 65% ~ 75%. It is mainly used for hot blast furnace top, blast furnace body and bottom, glass melting furnace regenerator, ceramic sintering kiln, petroleum cracking system dead angle furnace lining, etc. Mullite bricks have high refractoriness, up to more than 1790 C, and have good thermal shock resistance. There are two types: sintered mullite bricks and fused mullite bricks. The crystallization of fused mullite is larger than that of sintered mullite, and the thermal shock resistance is better than that of sintered products. Aluminum content: 65-90% Standard brick size: 230*115*65mm Compressive strength at room temperature: 100-120MPa Good thermal shock resistance:
We have also a very qualified installation team, We are making a complete installation services such as : - Internal insulation (Bricks and Castables Lining) - External insulation (Rock wool and Ceramic Fiber insulation with the required cladding) - Steel Repairing - Scaffolding - Sand Blast
Gremlog Trading DMCC emerges as a pioneering force in the recycling landscape, offering recycled silica sand in sizes ranging from 0-1mm to 1-4mm. Leveraging the inherent advantages of repurposed silica-based spent foundry sands, Gremlog Trading DMCC champions sustainable practices within the metal casting industry. By providing recycled silica sand, Gremlog Trading DMCC contributes to energy conservation, reduces reliance on virgin materials, and delivers cost-effective solutions for both producers and end users. Gremlog Trading DMCC's recycled silica sand stands as a versatile resource, poised to revolutionize not only traditional applications but also industry-specific needs. At Gremlog Trading DMCC, we're proud to offer a sustainable alternative for spent refractory bricks. Instead of discarding them, we recycle these bricks into valuable raw materials with various applications.Our recycled refractory bricks can be used in powder coating, road-base aggregate, metallurgical processes, as slag conditioners, and even as feedstock for cement production. This not only reduces waste but also provides cost-effective options for industries.Moreover, these recycled materials can be directly reused in the manufacturing of new refractory bricks, closing the loop on sustainability.Join us in our mission to promote environmental responsibility while meeting your industrial needs. Contact Gremlog Trading DMCC today to learn more about our Recycled Spent Refractory Bricks.
