Corundum mullite refractory castable wani nau'i ne na babban ƙarfin da ba a siffanta shi ba don siyarwa a Kamfanin RS, wanda za'a iya amfani dashi a cikin tukunyar siminti. Corundum mullite castables na iya yin manyan kaddarorin kamar ƙarfin murƙushewa, babban kwanciyar hankali na zafin jiki, juriyar girgiza zafi, lalacewa da juriyar yazawar sinadarai a cikin rufin babban tukunyar tashar wutar lantarki da sauran kayan aikin zafin jiki. Refractory corundum mullite castable za a iya amfani da karfe tanderu, siminti kiln, gilashin makera, baƙin ƙarfe yin makera, yumbu rami kiln da sauransu.
Babban albarkatun ƙasa na corundum mullite castable shine aluminium oxide mai nauyi mai nauyi, babban ingancin tama mai ɗaci, da siminti aluminate a matsayin wakili na haɗin gwiwa. corundum mullite refractory castable an yi shi ta hanyar zafin zafi mai zafi da tanderun masana'antu na ci gaba. corundum mullite ƙarfin sassauƙan ƙarfi da ƙarfin matsawa yana ƙaruwa da farko kuma yana raguwa sannan tare da haɓaka yanayin zafin zafi. Kuma lokacin da abun cikin alumina micro power abun ciki shine 5%, ƙarfin sassauƙa ya kai saman.
Abubuwan da ke cikin Al2O3 sun fi 90%, kuma corundum mullite insulation castable tare da corundum kamar yadda babban lokaci crystal ana gauraye da dacewa dispersants, coagulants, bakin karfe zaruruwa, wanda aka compounded bisa ga m dabara. Refractory corundum mullite castable yana da halaye da yawa, kamar ƙarfin zafin jiki mai ƙarfi, juriya mai juriya da rigakafin zazzaɓi, zafin zafi mai ƙarfi, juriyar girgiza zafi, juriya mai lalata, kyakkyawan hatimi da haɓakawa da wuri.
Abu | NM-1 | NM-2 | NM-3 |
Al2O3% ≥ | 75 | 80 | 85 |
CaO% ≤ | 2 | 2 | 2 |
Girman girma g/cm3> | 2.75 | 2.8 | 2.9 |
Ƙarfin murkushe Mpa (1400 ℃, 3h) | >95 | >105 | >110 |
Modulus na rupture Mpa (1400 ℃, 3h) | > 13.5 | > 15.0 | > 16.0 |
Asarar abrasion zafin daki cm3 | <8.5 | <7.3 | <6 |
0.2MPa, refractoriness karkashin load fara zazzabi ℃ | > 1490 | > 1530 | > 1560 |
Thermal girgiza juriya (900 ℃, ruwa sanyaya) / sau | >20 | >20 | >20 |
Max. zafin aiki ℃ | 1550 | 1600 | 1600 |
Matsakaicin canjin layin layi % | <-0.3 | <-0.2 | <-0.2 |
<-0.2