High Refractoriness Fire Clay Refractory Brick Manufacturers for Cement Kiln
Feature:
Clay brick Good thermal stability, low thermal conductivity, good insulation performance.
Clay brick Low bulk density, good integrity, high mechanical strength.
Clay brick Good thermal shock stability, good resistance to abrasion and corrosion.
Good volume stability at high temperature.
Clay brick Low water absorption rate, low creeping rate.
Natural clay products, could be shaped freely, non-radioactive and environmentally friendly.
Application:
Energy & Incineration:Coke oven,general boiler,power,generation,boiler,circulating fluidized bed boiler,electric furnace,carbon rosating furnace,waste incinerators.
Others:Petrochemical industry furnace
Technical Index:
| Item | Chamotte Brick for Carbon Furnace |
| N-1 | N-2a | N-2b | N-3a | N-3b | N-4 | N-5 | N-6 |
| Al2O3 % | ≥42 | ≥40 | ≥40 | ≥40 | ≥40 | ≥38 | -- | -- |
| Refractoriness ℃ | ≥1750 | ≥1730 | ≥1730 | ≥1710 | ≥1710 | ≥1690 | ≥1670 | ≥1580 |
| Refractoriness Under Load,℃,[0.2MPa×0.6%] | ≥1400 | ≥1350 | -- | ≥1320 | -- | ≥1300 | -- | -- |
| Permanent Linear Change, % | 1400℃×2h | +0.1 -0.4 | +0.1 -0.5 | +0.2 -0.5 | -- | -- | -- | -- | -- |
| 1350℃×2h | -- | -- | -- | +0.2 -0.5 | +0.2 -0.5 | +0.2 -0.5 | +0.2 -0.5 | -- |
| Apparent Porosity % | ≤22 | ≤26 | ≤24 | ≤24 | ≤26 | ≤24 | ≤26 | ≤28 |
| Cold Crushing Strength, MPa | ≥30.0 | ≥20.0 | ≥25.0 | ≥20.0 | ≥15.0 | ≥20.0 | ≥15.0 | ≥15.0 |
Manufacturing Process Flow:
Rough Materials-Mixing-Batching -Shaped-Drying-Sintering-Inspect-Packing-Delivery
