Izitena ze-silicate zekhabhoni zeze-refractory ezingathathi hlangothi, ezimelana nokukhukuliseka kwe-asidi kunye ne-alkali slags, i-solvents, kunye nokunye ukubola kweekhemikhali. I-Silicon carbide ineempawu zamandla aphezulu, ukuchasana okuhle kwe-anti-oxidation, kwaye akukho tshintsho kwiqondo lokushisa eliphezulu. Kuzo zonke izinto eziluhlaza zezitena ze-non-oxide refractory, isitena se-slilica carbon sisona sinoqoqosho kwaye sisetyenziswa kakhulu kwindawo ethile. enokusetyenziswa kumashishini ahlukeneyo, afana neshishini lamatye, ishishini leglasi, ishishini lesinyithi, ishishini lokushicilela, kunye neshishini lokukhanya. Ngaphandle koko, izitena ze-silica carbon ezithengiswayo zisebenza kakuhle kakhulu ekuxhathiseni ukhukuliseko olubi kakhulu lwemekobume, olufana nokushisa okuphezulu, ukuxhathisa okulungileyo, ukuxhathisa ukothuka okukhulu kwe-thermal, ukuxhathisa okunamandla kwi-asidi kunye nokhukuliseko lwe-alkali slag kunye ne-coefficient yokwandisa ubushushu obuphantsi kunye nokunye.
I-silicate block ye-carbide izinto eziluhlaza zi-silicon carbide, malunga ne-72% -99%. I-Silicon carbide ikwabizwa ngokuba yi-moissanite, isanti ye-corundum okanye isanti e-refractory. eyenziwe ngesanti yequartz, i-petroleum coke okanye i-tar yamalahle, kunye neenkuni zokhuni, eziveliswa ngokunyibilika kobushushu obuphezulu kwiziko lokumelana nombane.
Izitena ze-silicon carbide ziveliswa kwi-silicon carbide, i-raw material eyenziwe kwisithando sombane sokumelana nobushushu obudlula i-2500 ° C, ngokuphendula kwe-silica ngekhabhoni. Izitena ze-silcate carbon zine-conductivity ye-thermal ephindwe kashumi ye-fireclay refractories, i-corrosion enhle kunye nokumelana nokutshatyalaliswa kwe-thermal, kwaye inokubunjwa ibe yimilo enzima. Isitena se-silica cabon sinokumelana nokuhlaselwa kwe-slag kunye nokukhukuliseka komlilo.
Izitena ze-silicon carbide refractory zingahlelwa zibe yizitena zodongwe ze-silicon carbide, izitena ze-Si3N4 eziboshiweyo ze-silicon carbide, izitena ze-Sialon ezidibeneyo ze-silicon carbide, i-β-SiC edibeneyo ye-silicon carbide izitena, i-Si2ON2 eboshiwe izitena ze-silicon carbide kunye ne-recrystal silicon carbide.
Izitena zeSilicon Carbide | |||||
Izinto | Iyunithi | SiO2 Bonded Silicon Carbide Izitena | Azoxty-cornpounds Bonded Silicon Carbide Izitena | Mullite Bonded Silicon Carbide Izitena | |
Al2O3 | % | ~ | ~ | ≥10 | |
SiO2 | % | ≤8 | ~ | ~ | |
Fe2O3 | % | ≤1 | ≤0.6 | ≤1 | |
Sic | % | ≥90 | ≥80 | ≥85 | |
I-Porosity ebonakalayo | % | ≤18 | ≤18 | ≤18 | |
Unizi lolwapho kuyiwa khona | g/cm3 | ≥2.56 | ≥2.60 | ≥2.56 | |
Amandla okutyumza okubandayo | Mpa | ≥80 | ≥100 | ≥70 | |
Refractoriness phantsi komthwalo | ℃ | ≥1600 | ≥1620 | ≥1550 | |
Thermal Shock Uzinzo(Ixesha/850) | ℃ | ≥40 | ≥40 | ≥35 | |
I-Thermal Conductivity | w/m*k | ≥8 | ~ | ~ | |
Ubushushu obuqhelekileyo Ukugoba Amandla | Mpa | ≥25 | ≥30 | ≥25 | |
Ubushushu obuphezulu bokugoba Amandla1250℃*1h | Mpa | ≥20 | ≥25 | ≥20 | |
Ubushushu beNkonzo enkulu | ℃ | 1400 | 1500 | 1400 |
Izitena ze-silica carbide zine-conductivity ephezulu ye-thermal, ukuxhathisa okulungileyo, ukuxhathisa ukothuka kwe-thermal kunye nokuxhathisa ukubola. Ke i-silica carbon brick inoluhlu olubanzi lwesicelo ngolu hlobo lulandelayo: