Ukukhetha izinto eziphezulu zesithando. Esithandweni sezimboni, izinga lokushisa elingaphezulu kwesithando liphakeme cishe ngo-5% kunodonga lwesithando. Okusho ukuthi, lapho izinga lokushisa elilinganisiwe lodonga lwesithando lingu-1000°C, ingaphezulu lesithando liphakeme kuno-1050°C. Ngakho-ke, lapho ukhetha izinto zephezulu lesithando, isici sokuphepha kufanele sicatshangelwe kakhulu. Kuma-tube furnace anokushisa okuphakeme kuno-1150°C, indawo yokusebenza yephezulu lesithando kufanele ibe ungqimba lwe-zirconium ceramic fiber oluyi-50-80mm ubukhulu, kulandelwe uboya be-ceramic fiber obuyi-alumina obuyi-80-100mm ubukhulu, kanye nobukhulu obusele obukhona be-aluminium ceramic fiber obuyi-80-100mm. Lo mbala ohlanganisiwe uvumelana nokwehla kwe-gradient enkambisweni yokudlulisa izinga lokushisa, kunciphisa izindleko futhi kuthuthukise impilo yenkonzo ye-furnace.
Ukuze kufezwe impilo ende yenkonzo kanye nomphumela omuhle wokonga amandla wokushisa nokuvala ingaphezulu lesithando sokushisa esineshubhu, izimo zokushisa ezihlukile zesithando kufanele zilandelwe ngokuqinile. Ngesikhathi esifanayo, izinhlobo ezahlukene zemikhiqizo yoboya be-ceramic fiber kanye nobuchwepheshe kanye nezindlela zokwelapha zeuboya befayibha ye-ceramic Kufanele kucatshangelwe futhi ukusetshenziswa ezingxenyeni ezahlukene zesithando somlilo.
Isikhathi sokuthunyelwe: Disemba-06-2021
