Silica Brick for Coke Oven and Carbon Calciner
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Specifications
Item brand
Bottom and other part
Wall brick brick
Sio2% >= 94
0. 2mpa rul c >= 1650
Linear c
Item brandBottom and other partWall brick brickSio2% >= 940. 2mpa rul c >= 1650Linear changeAfter re-heating% 1450c x2h <= 0 / + 0. 2A. p. % <= 22 24C. C. S. mpa >= 30 25B. D. g / ccm >= 2. 34 2. 35ThermalDilatation% 1000c <= 1. 28 1. 30
| Performance | |||||
| Item | Unit | 95 Al2O3 | 96 Al2O3 | 99 Al2O3 | |
| Physical Characteristics | Bulk density | g/cm3 | 3.6 | 3.6 | 3.9 |
| Water absorption | % | 0 | 0 | 0 | |
| Mechanical Characteristics | Flexural strength | Mpa | 320 | 340 | 360 |
| Hardness Vickers | Gpa | 12.2 | 13.5 | 15.6 | |
| Elastic modulus | Gpa | 280 | 320 | 370 | |
| Poisson’s ratio | - | 0.22 | 0.23 | 0.23 | |
| Thermal Characteristics | Linear expansion coefficient | (200C-5000C) 10-6/0C | 7.1 | 7.2 | 8 |
| Thermal conductivity | w/(m.k) | 16 | 24 | 32 | |
| Specific Heat | *10-3J/(kg*K) | 0.78 | 0.78 | 0.9 | |
| Electrical Characteristics | Dielectric constant (1MHZ) | - | 9 | 9.4 | 9.9 |
| Dielectric loss angle | *10-4 | 15 | 5 | 1 | |
| Dielectric strength | *106V/m | 12 | 15 | 15 | |
| Processing technology | |||||
| Process range (mm) | |||||
| Outside Diameter | 1---300 | ||||
| Inside Diameter | 0.5---300 | ||||
| Length | 0.5---1200 | ||||
| Accuracy of working (mm) | |||||
| Perpendicularity | 0.01 | ||||
| Concentricity | 0.01 | ||||
| Roundness | 0.005 | ||||
| Straightness | 0.005 | ||||
| Parallelism | 0.01 | ||||
| Planeness | 0.005 | ||||
| Roughness | 0.05 | ||||
| Fit clearance | 0.005 | ||||
- Q: The hot blast stove when the temperature did not rise against the brick interface decreased
- How to keep the brick masonry temperature not lower than 600 DEG C, while the exhaust temperature is not higher than 400 DEG C.
- Q: Common bond brick?
- Lime should contain a lot of active CaO, I decompose CaCO3 and MgCO3 not more than 5%, Al2O3+Fe2O3+SiO2 no more than 5%. When the content of large particles, burned Ca-CO3 and over burned lime, the product produced caves, affecting the quality of products.
- Q: Semisilica brick interpretation
- Good thermal shock resistance. In use, more high viscosity glass phase can be formed, and the masonry brick joint and the working surface are dense and the masonry is complete, which is beneficial to improve the impermeability of the masonry and reduce the erosion effect of the slag on the masonry.
- Q: How much is the highest melting point of silicon?
- Acidic silica brick refractories, softening temperature is as high as 1640 to 1670 DEG C, in the long-term use volume is relatively stable under high temperature. More than 94% silica content.
- Q: Semisilica brick, clay brick, high alumina brick and what is the difference?
- The share of A12O3 and SiO2 is different
- Q: The brick is mainly used in the place?
- Open hearth furnace regenerator and a sediment chamber, soaking furnace, glass furnace refractory materials and ceramic brick kiln, kiln vault and other load-bearing parts.
- Q: The high thermal conductivity of silica brick and traditional brick what is the difference?
- The scale quartz is a spear shaped double crystal structure, very compact and favorable to the increase of thermal conductivity. The high thermal conductivity of silica brick in improving thermal conductivity and other performance indicators and traditional coke silicabrick agreement.That is to say, the high thermal conductivity of silica brick all inherited the traditional advantages of coke oven silica brick, on the basis of further highlight the characteristics of high thermal conductivity
- Q: Why is the three oxidation of two silicon is very harmful impurities in silica brick
- Can generate the material needs is the best way to see the impurity problem!! the first consideration is whether can get the material impurities with what method choice after the time! Miscellaneous reactions cannot have new impurity formation! Selected cannot and need material reaction reagent!
- Q: Common bond brick?
- When adding ingredients, the amount of lime added shall be converted to CaO, and the amount of addition varies depending on the product, usually fluctuating at 1.5~2.5%. For example, the production of coke oven silica brick, the dosage of CaO is 2.0~3.0%; the production of electric furnace top brick, the dosage of CaO is 1.4~1.75%.
- Q: What is the silica refractory products?
- High silicon content in high temperature expansion sintering temperature between 1390-1410 in furnace arch
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Silica Brick for Coke Oven and Carbon Calciner
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- -
- Supply Capability:
- -
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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