Nthawi zambiri, magalasi amawotchedwa pa kutentha kwakukulu kwa 1400 ~ 1300 ℃.Galasiyo ikakhala yamadzimadzi, mpweya umene uli mmenemo umayandama kuchoka pamwamba pake, kotero kuti pamakhala thovu lochepa kapena palibe.Komabe, zojambulajambula zambiri zamagalasi zimawotchedwa pa kutentha kochepa kwa 850 ℃, ndipo phala lagalasi lotentha limayenda pang'onopang'ono.Mpweya pakati pa midadada ya galasi sungakhoze kuyandama kuchokera pamwamba ndipo mwachibadwa umapanga thovu.Ojambula nthawi zambiri amagwiritsa ntchito thovu kuti awonetse moyo wa galasi ndikukhala gawo loyamikira luso la galasi.
Nthawi yotumiza: Sep-13-2022