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Isitini sokukhonona esigobile

Isitini sokukhonona esigobile

Ikhwalithi ephezulu nentengo enhle kakhulu, insiza enhle

Izinzuzo zomkhiqizo: ukumelana okuhle kokushisa okushisayo, ukumelana nokuqina okuqinile, amandla aphezulu wokucindezela.

incazelo yomkhiqizo

Izitini ezakhiwe njenge-arc zibizwa nangokuthi izitini ze-arc. Izitini ze-high-alumina arc ziwuhlobo lwezitini ezimise okhethekile. I-arc yesitina se-arc iyisiyingi esiyindilinga kanti omunye umkhawulo uyindawo emgodini. , Ingabuye yakhiwe ibe yindilinga, lolu hlobo lwezitini luyasetshenziswa kuladle. Isitini se-arc sisetshenziswa kakhulu njengendwangu yangaphakathi yebhakede lensimbi. Kwakuvamise ukuba ikakhulu ubumba. Manje kancane kancane ithathelwa indawo yizitini eziphakeme ze-alumina. Izitini eziphakeme ze-alumina zibonakaliswa ukumelana okuhle kokushisa okushisayo, ukumelana okuqinile kokugqwala namandla aphezulu wokucindezela.

Izitini eziphikisayo ze-high-aluminium arc ziqukethe i-aluminium silicate ene-Al2O3 ngenhla kwama-48% kuye kuma-75%. Ukuphakama kokuqukethwe kwe-aluminium, ngcono ikhwalithi yezitini ze-high-aluminium arc. It is a material weakly acidic refractory, which is made of natural or artificial high-alumina materials (sillimanite, diaspore, high alumina, njll). Uma kuqhathaniswa nezitini zobumba, ukuphindaphinda kwalo (1750 ~ 1790 ℃) nokushisa kokuthambisa (1420 ~ 1500 ℃) kuphakeme, futhi ukumelana kwe-slag namandla alo okucindezela nakho kuphakeme.

Izinkomba zomzimba nezamakhemikhali

Isikhundla / Inkomba Izitini eziphakeme ze-alumina Izitini eziphakeme ze-alumina eziphakeme Izitini eziphakeme ezintathu ze-alumina Isitini esiphakeme se-alumina
I-LZ-75 I-LZ-65 I-LZ-55 I-LZ-80
AL203 ≧ 75 65 55 80
I-Fe203% 2.5 2.5 2.6 2.0
Ubuningi besisindo g / cm2 2.5 2.4 2.2 2.7
Amandla acindezelayo ekamelweni lokushisa MPa> 70 60 50 80
Layisha ukushisa okuthambile ° C 1520 1480 1420 1530
Ukuphindisela emuva ° C> 1790 1770 1770 1790
I-porosity ebonakalayo% 24 24 26 22
Ukushisa izinga lokushintshwa komugqa unomphela% -0.3 -0.4 -0.4 -0.2