I-China elula i-aluminium ephezulu yokushisa isitena sokukhusela ubushushu kunye nabavelisi | Rongsheng

Inkcazo emfutshane:

Isitena sokukhusela i-alumina ephezulu luhlobo lwe-refractory, eyona nto iphambili yi-Al2O3. Ukuba umxholo we-Al2O3 ungaphezulu kwe-90%, ubizwa ngokuba sisitena se-corundum. Ngenxa yezixhobo ezahlukeneyo, imigangatho yamazwe ahlukeneyo ayihambelani ngokupheleleyo. Umzekelo, kumazwe aseYurophu, umda ophantsi womxholo we-Al2O3 kwi-refractories ephezulu ye-alumina yi-42%. E-China, umxholo we-Al2O3 kwizitena eziphezulu ze-alumina ngokubanzi wahlulwe ngokwamanqanaba amathathu: Umxholo weBanga loku-1 - Umxholo we-Al2O3 > 75%; umxholo weBanga lesi-2 - Umxholo we-Al2O3 ngu-60-75%; umxholo weBanga lesi-3 - Umxholo we-Al2O3 ngu-48-60%.


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Idatha yoBugcisa:

Igama Isitena se-Alumina esiKhanyayo nesiPhakamileyo
I-LG-0.6 I-LG-0.8 I-LG-1.0
Ubuninzi bobuninzi (g/cm3) 0.6 0.8 1.0
Amandla okutyumza abandayo (i-Mpa) ≥ 1.9 2.9 4.0
Utshintsho olusisigxina lwe-Linear 1300℃ * 12h(%)≤ 0.5 0.5 0.5
Ukuqhuba Ubushushu Ubushushu obuPhakathi 350±25℃ W/( m·K) ≤0.250 ≤0.320 ≤0.450
Ukungaguquguquki komthwalo phantsi komthwalo yi-0.1Mpa (℃) ≥ 1300 1350 1380
I-Al2O3(%)≥ 50 52 52
I-Fe2O3(%)≤ 1.8 1.6 1.5
Ubushushu obuphezulu beNkonzo (℃) 1300 1350 1380

Isicelo:

Izitena ze-alumina eziphezulu zisetyenziswa kakhulu ekubumbeni ii-ovens zoshishino, ezifana nee-blast ovens, ii-hot blast ovens, i-electric furnace top, i-reverberator, i-rotary cement oven njalo njalo. Ngaphandle koko, izitena ze-alumina eziphezulu zikwasetyenziswa kakhulu njengezitena zokuhlaziya ezivuselelayo, isithinteli senkqubo yokuphosa eqhubekayo, izitena ze-nozzle, njl.njl.


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