Ko te pereki whakaraerae o te Silica he whakaahuru waikawa, he pai hoki te aukati i te horo o te parae waikawa. Slica pereki refractoriness i raro i te kawenga he ki runga ki te 1640 ~ 1690 ℃, kitea te pāmahana whakangohe tuatahi ko 1620 ~ 1670 ℃ me te kiato pono ko 2.35g/cm3. Ka taea e te pereki ahi a Silicon te mahi i roto i te pāmahana teitei mo te wa roa me te pupuri i te pumau o te rōrahi kaore he huringa. Ko te pereki reractory Silicon kei runga i te 94% te ihirangi SiO2. He pai ake te kaha o te pāmahana teitei o te pereki silicate me te iti o te awangawanga o te wiariki. Ko te pereki ahi silicate he mea hanga mai i te silica ore taiao hei rauemi mata, ka taapirihia he kohuke pai hei whakatairanga i te kiripaka i roto i te tinana kaariki ka huri hei tridymite me te puhipuhi puhoi ma te mahana o te 1350~1430 ℃ hei whakaiti i te hau. A, no te wera ake ki te 1450 ℃, reira pūkete 1.5~2.2% o te roha rōrahi katoa. Ma tenei whakawhanui-a-muri ka hirihia te tapahi-tahi me te whakarite kia mau te hanga i te hau koretake me te kaha o te hanganga.
Ko te poraka ahi Silicon he pereki whakaahuru e nui atu i te 93% te ihirangi silica, 50% -80% o te tridymite, 10% -30% o te cristobalite, te kiripaka me te wahanga karaihe, mo te 5% -15%. Ko te hanganga kohuke o te pereki silicate te nuinga o te quartz me te quartz, me te iti o te quartz me te vitreous. Ko te quartz tauine, te quartzite quartz me te toenga o te kiripaka ka rerekee te rōrahi na te huringa o te ahua karaihe i te iti o te pāmahana, na reira he kino te whakamaarama waiariki o te pereki refractory silicate i te pāmahana iti. I roto i te tukanga whakamahi, i raro i 800 ℃ ki puhoi whakawera me te meangiti, kia rite ki te karo kapiti. No reira kaua e iti iho i te 800 ℃ nga peke o te oumu.
Ka hangaia nga pereki ahi silicate mai i te quartzite me te iti o te kaihoko kohuke. Ka tahuna i te wera nui, ko te tito kohuke kohuke kohuke pereki refractory silica ko te kiripaka tauine, te kiripaka quartzite, te karaihe me etahi atu kopa waahanga uaua i hangaia i te pāmahana teitei, me te ihirangi AiO2 neke atu i te 93%. I roto i nga pereki silica pai ake, ko te ihirangi o te quartz tauine te mea teitei, e 50% ~ 80%. Ko cristobalit i muri mai, 10% ki te 30% noa iho. Ko nga mea o roto o te quartz me te wahanga karaihe he rereke i waenga i te 5% ki te 15%
Tūemi/Taupū | QG-0.8 | QG-1.0 | QG-1.1 | QG-1.15 | QG-1.2 |
SiO2 % | ≥88 | ≥91 | ≥91 | ≥91 | ≥91 |
Kiato rahi g/cm3 | ≤0.85 | ≤1.00 | ≤1.10 | ≤1.15 | ≤1.20 |
Te Maeke Maeke Mpa | ≥1.0 | ≥2.0 | ≥3.0 | ≥5.0 | ≥5.0 |
0.2Mpa Refractoriness Raro Uta T0.6 ℃ | ≥1400 | ≥1420 | ≥1460 | ≥1500 | ≥1520 |
Huringa Raina Tuturu I Te Whakawera % 1450℃*2h | 0~+0.5 | 0~+0.5 | 0~+0.5 | 0~+0.5 | 0~+0.5 |
20 ~ 1000 ℃ Roha Weariki 10 ~ 6 / ℃ | 1.3 | 1.3 | 1.3 | 1.3 | 1.3 |
Te Waawera (w/m*k) 350 ℃ | 0.55 | 0.55 | 0.6 | 0.65 | 0.7 |
Ko te pereki ahi Silica te nuinga o te whakamahi hei rauemi whakaahuru mo te taiepa whakamarumaru o te ruuma coking me te mura i roto i te oumu coke, te ruuma whakahou me te pute para i roto i te hanga i te oumu ahi tuwhera, te oumu poka me te oumu whakarewa karaihe, me etahi atu waahanga taumaha me te tihi ki runga i te raima. oumu pupuhi. Ka taea hoki te whakamahi pereki silicate mo te waahi e mau ana i te taumaha i roto i te pāmahana teitei me te tihi o te oumu ahi tuwhera waikawa.