- 17
- Sep
Visoka aluminijska čelična opeka za peć sa toplim pjeskarenjem
Visoka aluminijska čelična opeka za peć sa toplim pjeskarenjem
Product advantages: good volume stability, excellent high temperature load creep performance, high density and low porosity.
opis proizvoda
High-aluminum checker bricks for hot blast stoves are currently widely recognized and accepted by the world’s ironmaking industry as a heat-carrying heat storage body with many superior thermal characteristics, such as strong heat exchange capacity, large heat storage area, smooth ventilation, and low resistance. The high-aluminum checker brick for hot blast stove is a kind of heat transfer medium, which is mainly used in the middle and upper part of the regenerator of hot blast stove to store heat. In the process of heating cold air into hot air, it plays an extremely important role.
Fizički i hemijski pokazatelji
Rang/Indeks | Opeka od glinice | Sekundarna opeka od glinice | Trostepena opeka od glinice | Opeka od visokog glinice |
LZ-75 | LZ-65 | LZ-55 | LZ-80 | |
AL203 ≧ | 75 | 65 | 55 | 80 |
Fe203% | 2.5 | 2.5 | 2.6 | 2.0 |
Nasipna gustina g / cm2 | 2.5 | 2.4 | 2.2 | 2.7 |
Tlačna čvrstoća pri sobnoj temperaturi MPa> | 70 | 60 | 50 | 80 |
Temperatura omekšavanja punjenja ° C | 1520 | 1480 | 1420 | 1530 |
Vatrostalnost ° C> | 1790 | 1770 | 1770 | 1790 |
Prividna poroznost% | 24 | 24 | 26 | 22 |
Stopa promjene stalnog voda grijanja% | -0.3 | -0.4 | -0.4 | -0.2 |