Ngwaahịa
Brick alumina dị ala dị ala (T-38)
Nkọwa nke brik alumina dị ala dị ala
Low creep elu alumina brik na-mere nke alumina, fused alumina, fused mullite dị ka isi akụrụngwa nke ekara refractory ngwaahịa, isi akụrụngwa bụ Al2O3.High alumina brik ngwaahịa nwere uru nke obere okpomọkụ creep, ike corrosion eguzogide na ezi thermal ujo. nkwụsi ike.
Oke
Ihe | DRL-155 | DRL-150 | DRL-145 | DRL-140 | DRL-135 | DRL-130 | DRL-127 | |
---|---|---|---|---|---|---|---|---|
≥ A12O3% | 75 | 75 | 65 | 65 | 65 | 60 | 50 | |
Fe2O3%≤ | 1.3 | 1.3 | 1.3 | 1.5 | 1.5 | 1.5 | 1.8 | |
AP%≤ | 20 | iri abụọ na otu | iri abụọ na otu | iri abụọ na abụọ | iri abụọ na abụọ | iri abụọ na abụọ | iri abụọ na atọ | |
BD g/cm3 ≥ | 2.65 | 2.65 | 2.5 | 2.4 | 2.35 | 2.3 | 2.3 | |
CCS Mpa≥ | 60 | 60 | 60 | 55 | 55 | 55 | 50 | |
Ọnụego mgbada (0.2Mpa×50h)% | 1550 ℃ 0.8 | 1500 ℃ 0.8 | 1450 ℃ 0.8 | 1400 ℃ 0.8 | 1350 ℃ 0.8 | 1300 ℃ 0.8 | 1280 ℃ 0.8 | |
PLC% | 1550 ℃ × 2h | + 0.1-0.2 | + 0.1-0.2 | + 0.1-0.2 | + 0.1-0.2 | - | - | - |
1450 ℃ × 2h | - | - | - | - | + 0.1-0.4 | + 0.1-0.4 | + 0.1-0.4 |
Okwu:
Mpempe akwụkwọ data a bụ naanị maka ntụnye aka gị.
Ọ bụrụ na ị nwere ihe pụrụ iche chọrọ, biko kpọtụrụ anyị.