Hlalutya iindlela zokuphucula iimpawu zenyama kunye neekhemikhali zezitena ezinokungena umoya weladle (1)

Izitena eziphefumlayo zihlelwa ngokwemathiriyeli yazo. I-Luoyang firstfurnace@gmil.com Co., Ltd. sele igxininise ekuphuhliseni, ukuveliswa kunye nokuthengiswa kwezitena ezinomoya-moya iminyaka eyi-17, kwaye ngumvelisi oqeqeshiweyo wezitena ezinomoya.

(Umfanekiso) Luoyang firstfurnace@gmil.com Co., Ltd. imveliso enelungelo elilodwa lomenzi wechiza uthotho lwezitena eziqhekezayo zomoya

Iintsimbi ezininzi zetsimbi ziphazamiseka ngenxa yokungasebenzi kakuhle kunye nokusetyenziswa okuphezulu okubangelwa ukutshintshwa rhoqo kwezitena zokungenisa umoya ngenxa yeengxaki zetsimbi zetsimbi kunye ne-peeling in the slits of the ventilating bricks. funda kumava adlulileyo. Ngokusekelwe kuhlalutyo lwezinto zokulimala kwezitena ezisele, eli phepha liphakamisa iindlela zokuphucula iimpawu ezibonakalayo kunye neekhemikhali zezitena zokungenisa umoya, ukuphepha ukunyathela kwimigodi enyathelwe ngabaphambili, kunye nokuvelisa izitena zokungenisa umoya ezikhuselekileyo nezisebenzayo.

1. Khetha i-tabular corundum njengento ekrwada

I-Tabular corundum yi-corundum ecocekileyo eyongezelelekileyo engafaki naziphi na izongezo ezifana ne-MgO, B2O3, kwaye igxothwe ngokupheleleyo kwaye iyancipha. Isitya sayo esikhethekileyo se-hexagonal esine-α-Al2O3 isakhiwo sesigaba seminerali sinokuphucula kakhulu ukuzinza kwevolumu ye-thermal yesitena esiphefumulayo kunye nokuxhatshazwa kwe-thermal shock.

Xa i-sintering ekhawulezayo, iikristale ezirhabaxa ezenziwe yi-recrystallization ye-α-Al2O3 ziqulethe iipores ezincinci ezingqukuva ezitywiniweyo ezingqukuva, kwaye zininzi iipore ezivaliweyo. I-porosity iphantse ilingane naleyo ye-corundum edibeneyo, enobunyulu obuphezulu, ukuzinza kwevolumu elungileyo, kunye nobunzima obuncinci kakhulu. Ukutshisa i-shrinkage, ngoko ke i-refractory okanye i-castable eveliswa yiyo inozinzo oluqinileyo lokutshatyalaliswa kwe-thermal kunye namandla okuguquguquka emva konyango lobushushu obuphezulu.

2. Yongeza i-zirconium yentsimbi enqabileyo

IZirconium inokumelana nokugqwala okumangalisayo, indawo yokunyibilika ephezulu kakhulu, ubulukhuni obuphezulu kunye namandla. Kuba inesakhiwo esikhethekileyo. Kukho iinguqu ezininzi ze-crystal form, i-monoclinic crystal system kwiqondo lokushisa eliphantsi, i-tetragonal crystal form kwiqondo lokushisa eliphezulu, kunye ne-cubic crystal form kwiqondo lokushisa eliphezulu. Xa i-crystal ye-monoclinic ishushu kwi-1170 ° C, iguqula ibe yi-tetragonal crystal form, kwaye xa ishushu kwi-2370 ° C, iguqula ibe yi-cubic crystal form. Iqondo lokunyibilika kwe-zirconium lingaphezulu kwe-1800 degrees, kwaye indawo yokunyibilika ye-zirconium dioxide ingaphezulu kwama-2700 degrees.

Ijolise kwimeko yokuba isitena esinokungena emoyeni sonakaliswe yi-spalling eshushu ebangelwa kuxinzelelo lwe-thermal olubangelwa ngumahluko omkhulu weqondo lokushisa (i-ladle yensimbi iyabhaka ngaphambi kokusetyenziswa, iqondo lokushisa lentsimbi yokuguqula likhuphuka ngokukhawuleza, kwaye ubushushu buyehla ngokukhawuleza emva koko. intsimbi ithululwe), ngokongeza izinto ezisekelwe kwi-zirconium zangaphambili ngokutshintsha izinto eziphathekayo kunye neekhemikhali zesitena esingena emoyeni, ngaloo ndlela siphucula kakhulu ukuzinza kwe-thermal yesitena esinomoya. Oku kungenxa yokuba nangona izinto ezisekelwe kwi-corundum kunye nezixhobo ezisekelwe kwi-zirconium zinee-coefficients ezahlukeneyo zokwandiswa kwe-thermal, i-microcracks iya kwenzeka kumaqondo okushisa aphezulu, kodwa iintanda zinokufunxa kwaye zisasaze amandla okuqhekeka okuphambili kwaye zisasaze ingxaki yokuxinzelela uxinzelelo, ngaloo ndlela kuthintela ukuxinezeleka. Ukusasazwa kokuqhekeka, kunye ne-ZrO2 ngokwayo ineempawu eziqinisayo, kwaye ukuqina kwezitena ezinomoya kunokuphuculwa kakhulu.

ukuququmbela

Ukukhetha i-plate-shaped corundum kunye nokongeza izinto ezinqabileyo zetsimbi ezinokuphucula ukuqina kwezitena zokuphefumula umoya kunokuphucula kakhulu ukutshatyalaliswa kwe-thermal kunye nokumelana nokukhukuliseka kwesitena sokungenisa umoya, kunye nokuphucula kakhulu ukuzinza kwe-thermal kunye nokuxhatshazwa kwe-thermal shock yesitena. I-Luoyang firstfurnace@gmil.com Co., Ltd. igxile kuphando kunye nophuhliso, imveliso, ukuthengisa kunye nokusetyenziswa kwezitena zokungenisa umoya. Ingumenzi oyingcali kwizitena zokungenisa umoya. Wamkelekile ukuba usitsalele iinkcukacha.