China ukukhanya ukukhanya eliphezulu alumina thermal ukugquma imveliso yezitena kunye nabavelisi | Rongsheng

Inkcazelo emfutshane:

Isitena esiphakamileyo se-alumina luhlobo lwe-refractory, inxalenye ephambili ye-Al2O3. Ukuba umxholo we-Al2O3 uphezulu kune-90%, kuthiwa yi-corundum brick. Ngenxa yezibonelelo ezahlukeneyo, imigangatho yamazwe ahlukeneyo ayihambelani ngokupheleleyo. Ngokomzekelo, kumazwe aseYurophu, umda ophantsi we-Al2O3 umxholo we-alumina refractories ephezulu yi-42%. E-China, umxholo we-Al2O3 kwisitena esiphezulu se-alumina ngokuqhelekileyo uhlukaniswe ngamabakala amathathu: iBanga I-Al2O3 umxholo> 75%; ibakala II - Al2O3 umxholo 60-75%; ibakala III - Al2O3 umxholo 48-60%.


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Idatha yobuGcisa:

Igama Light Weight High Alumina Brick
LG-0.6 LG-0.8 LG-1.0
Uxinaniso olukhulu(g/cm3) 0.6 0.8 1.0
Amandla Okutyumza Okubandayo (Mpa)≥ 1.9 2.9 4.0
Utshintsho olusisigxina lomgca 1300℃*12h(%)≤ 0.5 0.5 0.5
I-Thermal ConductivityAvareji yoBubushushu 350±25℃ W/( m·K) ≤0.250 ≤0.320 ≤0.450
I-Refractoriness Under Load 0.1Mpa (℃) ≥ 1300 1350 1380
Al2O3(%)≥ 50 52 52
Fe2O3(%)≤ 1.8 1.6 1.5
Obona bushushu benkonzo (℃) 1300 1350 1380

Isicelo:

Izitena eziphakamileyo ze-alumina ezigqumayo zisetyenziswa ngokudumileyo ukwenza i-masonry ye-inner kilns ye-inner linings, efana neziko eziqhumayo, ii-hot blast furnaces, umphezulu wesithando somlilo, i-reverberator, i-rotary cement kiln njalo njalo. Ngaphandle koko, izitena eziphakamileyo ze-alumina zikwasetyenziswa ngokubanzi njengezitena zokujonga ukuhlaziya, isithinteli senkqubo eqhubekayo yokuphosa, izitena ze-nozzle, njl.


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