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 murkushewa, babban yanayin zafin jiki, juriya mai zafi, lalacewa da juriya na 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 kasa na corundum mullite castable shine aluminium oxide mai nauyi mai nauyi, babban ingancin tama mai mullite na halitta, da siminti aluminate a matsayin wakilin haɗin gwiwa. corundum mullite refractory castable an yi shi ta hanyar zafin zafi mai zafi da tanderun masana'antu na ci gaba. corundum mullite flexural ƙarfi da matsawa ƙarfi ƙara da farko da kuma rage sa'an nan tare da karuwa da zafi magani zazzabi. 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 da juriya, ƙarfin zafi, 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 |
Corundum mullite refractory castable yana da fasalulluka na haɓaka uniform, kyakkyawan juriya na thermal, kwanciyar hankali mai girman zafin jiki, ƙarfin zafin jiki mai ƙarfi, babban juzu'i a ƙarƙashin kaya, ƙarancin zafin jiki mai ƙarfi, ƙarfin murkushewa, ƙarancin canjin yanayin madaidaiciya, babban taurin, mai kyau juriya ga lalata sinadarai, spalling da juriya. Saboda irin waɗannan haruffa, kuma corundum mullite insulation castable yana da ɗorewa a amfani kuma ana amfani dashi sosai a cikin kiln masana'antu daban-daban, tanderun zafin jiki da sauran mahimman sassa na babban zafin jiki, kamar: