Inkqubo yokuhamba kwe isitena esichasayo abavelisi ukuvelisa izitena ze-silica

Izinto eziluhlaza zezitena ze-silica ziyi-silica, izitena zenkunkuma, i-lime, i-mineralizers kunye ne-organic binders. Ukongezwa kwenkunkuma yezitena ze-silica akugcini nje ukunciphisa ukwanda kokutsha kwezitena, kodwa kunciphisa ukumelana nomlilo kunye namandla emveliso. Ngoko ke, abavelisi bezitena be-Henan bazimisele ngokuhambelana neemeko ezahlukeneyo. Umgaqo-siseko kukuba ubukhulu beyunithi yobunzima bemveliso, inzima ngakumbi imilo kwaye yongezwa ngakumbi. Ilawulwa ngokubanzi ngaphakathi kwe-20%.

I-Lime yongezwa kwizinto eziphantsi ngendlela yobisi lwekalika. Ubisi lwekalika lusebenza njenge-binder, lwandisa amandla emva kokumisa, kwaye lusebenza njenge-mineralizer ngexesha lokutsha. Umgangatho ufuna i-90% yeCao esebenzayo, akukho ngaphezu kwe-5% carbonate, kunye nobukhulu bebhloko malunga ne-50mm. I-mineralizer esetyenziswa kwimveliso ubukhulu becala yintsimbi eqengqelekayo. Imfuno yomgangatho kukuba umxholo we-iron oxide ungaphezu kwe-90%, ekufuneka ihlanjululwe ngebhola lebhola, kunye nenxalenye eneqhekeza elingaphantsi kwe-0.088mm kufuneka iphendule ngaphezu kwe-80%.

Isibophelelo esiqhelekileyo sezinto eziphilayo yi-sulfite slurry waste liquid.

Kukho imigaqo emine eqhelekileyo yokumisela ukubunjwa kwezitena ze-silica;

I-1) Xa ukhetha ubungakanani be-particle ebalulekileyo, ukuzinza kobuninzi bobuninzi kunye nomthamo ophezulu wokutshisa ukushisa kufuneka kuqinisekiswe;

I-2) Kulindeleke ukuba iinqununu ezibalulekileyo kwizinto ezimbi zincinci kwaye iincinci ezintle zininzi;

3) Xa usebenzisa umxube weentlobo ezahlukeneyo ze-silica, yongeza iinqununu ezinqabileyo kwiqondo lokushisa eliphezulu kunye neengqungquthela ezintle kwiqondo lokushisa eliphantsi;

I-4) Kwizinto eziluhlaza ze-silica ezinokwakheka okuxineneyo, iinqununu zinokuba zikhulu, kungenjalo zicolile.

Umsebenzi wokuvelisa ubonisa ukuba ubungakanani besuntswana elibalulekileyo lesitena esiqhelekileyo se-silica yi-2 ~ 3mm, kwaye xa i-quartz ye-vein isetyenziswa njengento ekrwada, ubungakanani be-particle ubukhulu bumalunga ne-2mm.

Iimpawu zokubumba izitena ze-silica zibonakaliswa ngokukodwa kwiinkalo ezintathu: iimpawu zokubumba ze-blank, i-shape complex shape yesitena kunye nokwahlukana okukhulu kumgangatho omnye.

I-silicon billet yinto ephantsi yeplastiki, ngoko ke uxinzelelo lokubumba kufuneka lunyuswe ngokufanelekileyo. Izitena ze-silica ze-oven ye-coke zinemilo enzima, ubunzima obunye, kwaye ezinye zinobunzima obuyi-160mm, ngoko ke kungcono ukusebenzisa ukubumba okuphindwe kabini. Ukuba indlela yokulinganisa i-vibration yamkelwe, inzuzo yayo ibonakala ngakumbi. Izitena ze-silica ziya kwandisa umthamo xa zigxothwa, ngoko ke ubukhulu bobumba bezitena kufuneka buncitshiswe ngokufanelekileyo.

Izitena ze-silicon ziya kutshintsha isigaba ngexesha lokudubula, okuzisa ubunzima ekudubuleni. Ke ngoko, utshintsho lomzimba kunye neekhemikhali kumzimba we-oven, imilo kunye nobukhulu bomzimba onesiphene, kunye neempawu zomzimba we-oven kufuneka ziqwalaselwe ngokupheleleyo.

1) Xa iqondo lobushushu lingaphantsi kwe-600℃, ubushushu kufuneka bunyuswe ngokukhawuleza nangokulinganayo;

2) 700～1100℃ izinga lokufudumeza ngokukhawuleza kunokuqala;

3) Kuluhlu lweqondo lokushisa lwe-1100～1430℃, izinga lokushisa kufuneka lincitshiswe ngokuthe ngcembe;

I-4) Ukunciphisa i-flame yokunciphisa ubuthathaka kusetyenziswa kwinqanaba eliphezulu lokushisa, kwaye iqondo lokushisa kwi-oven lisasazwa ngokulinganayo ukuphepha umonakalo kumzimba wezitena ngumlilo. Emva kokufikelela kubushushu obuphezulu be-sintering, kufuneka kubekho ixesha elaneleyo lokubamba, kwaye ixesha lokubamba liguquguquka phakathi kwe-20～48h;

5) Inokupholiswa ngokukhawuleza ngaphezulu kwe-600～800℃, kwaye kungcono ukupholisa kancinci kwiqondo lobushushu eliphantsi.