ETshayina Okugqwesileyo ukumelana nezitena ze-silica kwizitena ezivela kumzi-mveliso wentengiso kunye nabavelisi | Rongsheng

Inkcazelo emfutshane:

Izitena zomlilo ze-silicon zezemathiriyeli ye-silicon refractory, isitena se-silica luhlobo lwemveliso ye-refractory esemgangathweni enomxholo ongaphezulu kwe-93% we-SiO2. Isitena esichasayo se-silicate sineempawu ezibalaseleyo zokuchasa ukubola kweasidi, ubushushu obukhulu, ukuchasa okuphezulu phantsi komthwalo ongaphezulu kwe-1620 ℃. kunye nezitena ze-silica zinee-fratures zokumelana nokhukuliseko lwe-asidi eqinile ye-slag, i-refractoriness ephezulu phantsi komthwalo, kunye nokuzinza kwevolumu kwiqondo lokushisa eliphezulu. I-silicon rerfractory brik isetyenziswa ikakhulu kwi-oven ye-coke, i-oven evulekileyo, i-glass kiln, i-ceramic kiln, i-blast furnace, njl.


Iinkcukacha zeMveliso

Iithegi zeMveliso

I-silica refractory isitena i-acid refractory kwaye inokumelana nokukhukuliseka kwe-asidi efanelekileyo. I-Slica izitena i-refractoriness phantsi komthwalo ifikelela kwi-1640 ~ 1690 ℃, iqondo lokushisa elibonakalayo lokuqala lokuthambisa yi-1620 ~ 1670 ℃ kwaye ubuninzi bokwenyani yi-2.35g / cm3. Isitena somlilo we-silicon sinokusebenza kwiqondo lokushisa eliphezulu ixesha elide kwaye ugcine ukuzinza kwevolumu ngaphandle kokuguqulwa. Isitena sokubuyisela iSilicon siqulethe ngaphezulu kwe-94% yeSiO2 umxholo. Isitena se-silicate sinamandla aphezulu okushisa aphezulu kunye nokumelana nokutshatyalaliswa kwe-thermal. Isitena somlilo se-silicate senziwe nge-silica ore yendalo njengento ekrwada, yongezwa i-mineralizer efanelekileyo ukukhuthaza i-quartz kumzimba ohlaza oguqulwe ube yi-tridymite kwaye igxothwe ngokukhawuleza ngobushushu be-1350 ~ 1430 ℃ ekunciphiseni umoya. Xa ubushushu bufikelela kwi-1450 ℃, kukho i-akhawunti ye-1.5 ~ 2.2% yokwandiswa komthamo opheleleyo. Oku kwandiswa emva kokwandiswa kuya kwenza i-joint-cutting itywinwe kwaye iqinisekise ukuba ulwakhiwo lugcina ukungahambi kakuhle komoya kunye namandla esakhiwo.

Iipropati zeSitena soMlilo weSilica

  • Ukumelana kakuhle nokhukuliseko lwe-asidi,
  • Amandla obushushu obuphezulu,
  • I-refractoriness ephezulu: 1690 ~ 1710 ° C,
  • UMTHETHO oPhezulu: malunga ne-1620-1670 ℃,
  • Ukuzinza komthamo kwiqondo lokushisa eliphezulu,
  • Ukumelana kakuhle nokothuka kwe-thermal.

Ukuqulunqwa kweSitena soMlilo weSilica

I-Silicon fire block yisitena esiphikisayo ukuba umxholo we-silica ungaphezulu kwe-93%, i-50% -80% ye-tridymite, i-10% -30% ye-cristobalite, i-quartz kunye nesigaba seglasi, malunga ne-5% -15%. Ukubunjwa kwe-mineralogical yezitena ze-silicate ubukhulu becala i-quartz kunye ne-quartz, kunye nexabiso elincinci le-quartz kunye ne-vitreous. Ukulinganisa i-quartz, i-quartz ye-quartz kunye ne-quartz eseleyo iguquka kakhulu kwivolumu ngenxa yokutshintsha kwe-crystal shape kwiqondo lokushisa eliphantsi, ngoko ke ukuzinza kwe-thermal ye-silicate refractory brick kubi kwiqondo lokushisa eliphantsi. Kwinkqubo yokusetyenziswa, phantsi kwe-800 ℃ ukucotha ukufudumeza kunye nokupholisa, ukuze uthintele iintanda. Ngoko ke akufunekanga ibe ngaphantsi kwe 800 ℃ ubushushu bomtsi eziko.

Inkqubo yokuVelisa izitena zoMlilo weSilica

Izitena zomlilo ze-silicate zenziwe kwi-quartzite kunye nenani elincinci le-agent agent. Xa utshiswa kwiqondo lokushisa eliphezulu, i-silica refractory izitena zokubunjwa kwamaminerali zenziwe nge-quartz yesikali, i-quartzite quartz, iglasi kunye nezinye izicubu zesigaba esiyinkimbinkimbi ezenziwe kwiqondo lokushisa eliphezulu, kwaye umxholo we-AiO2 ungaphezulu kwe-93%. Phakathi kwezitena ze-silica ezivuthayo ezingcono, umxholo we-quartz yesikali ngowona uphezulu, ubala i-50% ~ 80%. I-cristobalit yayilandelayo, ibala kuphela i-10% ukuya kuma-30%. Imixholo yequartz kunye neglasi yesigaba iguquguquka phakathi kwe-5% kunye ne-15%

Rongsheng Refractory Silica Fire Brick Iinkcukacha

Into/Isalathiso QG-0.8 QG-1.0 QG-1.1 QG-1.15 QG-1.2
SiO2 % ≥88 ≥91 ≥91 ≥91 ≥91
Ukuxinana koMninzi g/cm3 ≤0.85 ≤1.00 ≤1.10 ≤1.15 ≤1.20
Amandla okutyumza okubandayo Mpa ≥1.0 ≥2.0 ≥3.0 ≥5.0 ≥5.0
0.2Mpa Refractoriness Under Load T0.6℃ ≥1400 ≥1420 ≥1460 ≥1500 ≥1520
Utshintsho lomgca osiGxina kwi-Reheating% 1450℃ * 2h 0~+0.5 0~+0.5 0~+0.5 0~+0.5 0~+0.5
20 ~ 1000℃ Ukwandiswa kweThermal 10 ~ 6/℃ 1.3 1.3 1.3 1.3 1.3
I-Thermal Conductivity (w/m*k) 350℃ 0.55 0.55 0.6 0.65 0.7

Ukusetyenziswa kweSitena soMlilo weSilica

Izitena zomlilo ze-silica zisetyenziswa kakhulu njengezinto ezikhuselayo zodonga olukhuselayo lwegumbi lokuphekela kunye ne-combustor kwi-oven ye-coke, igumbi lokuhlaziya kunye nepokotho ye-slag kwi-steelmaking open-hearth furnace, ukucwiliswa kwesithando somlilo kunye neglasi yokunyibilika kweglasi, kunye nezinye iindawo ezithwala ubunzima kunye nephezulu kwi-ceramic. kwiziko lokudubula. Izitena zeSilicate nazo zingasetyenziselwa indawo yokuthwala ubunzima kumaqondo obushushu aphezulu kunye ne-asidi evulekileyo yeziko lomlilo.


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