Ayyukan Farin Fused Alumina a cikin Zuba Jari
1. Zuba Jari Cemin Abun Shell
Farin aluminaAna samar da shi ta hanyar haɗa alumina masana'antu masu inganci a yanayin zafi sama da 2000°C. Yana ba da tsarki na musamman (α-Al₂O₃abun ciki > 99-99.6%) da kuma babban refractoriness na 2050°C-2100°C, tare da ƙarancin haɓaka haɓakawar thermal (kimanin. 8×10⁻⁶/°C). Waɗannan kaddarorin sun sa ya zama kyakkyawan madadin yashin zircon na gargajiya a matsayin babban kayan harsashi don yin simintin saka hannun jari. Its high barbashi uniformity (girman girman rabo> 95%) da kuma mai kyau watsawa taimaka haifar da denser, mafi robust molds, muhimmanci inganta simintin surface gama da girma daidaito yayin da rage lahani rates.
2. Ƙarfafa Ƙarfafawa
Tare da taurin Mohs na 9.0 da ingantaccen ƙarfin ƙarfin zafin jiki mai ƙarfi (cire mutunci sama da 1900°C),farin gauraye aluminayana tsawaita rayuwar sabis na mold da 30-50%. Lokacin da aka yi amfani da shi a cikin gyare-gyare ko murhu don simintin ƙarfe, simintin ƙarfe, ko galoli marasa ƙarfe, yana tsayayya da yashwar ƙarfe yadda ya kamata kuma yana rage yawan gyare-gyare da kiyayewa.
Amfanin Farin Fused Alumina
(1) Tsananin Zazzabi Mai Girma
Farin aluminayana ba da ingantaccen kwanciyar hankali na thermochemical yayin ayyukan simintin gyaran kafa. Ƙimar haɓakar haɓakar zafinta kusan kashi ɗaya bisa uku na kayan aikin yau da kullun, yana taimakawa hana fashewar ƙirƙira ko nakasar simintin gyare-gyare saboda canjin zafin jiki kwatsam. Juyin halittarsa mara ƙarancin iskar gas (sakin iskar gas <3 ml/g) yana rage girman porosity da lahani.
(2) Ingancin Ƙarshen Sama
Lokacin amfani dashi azaman foda mai kyau (girman hatsi 0.5-45μm),farin gauraye aluminayana ba da daidaito, har ma da abrasion wanda zai iya cimma ƙaƙƙarfan yanayin simintin Ra <0.8μm. Halin kaifi da kai (raguwa <5%) yana tabbatar da dorewar yankan yadda ya dace da ingantaccen sakamako mai gogewa.
(3) Daidaitawar Tsari
Muna ba da daidaitattun nau'ikan hatsi daga F12 zuwa F10000 don dacewa da tsarin simintin ɗimbin yawa:
Ƙananan maki (F12-F100): Don sakin ƙira a cikin hadaddun sifofi, haɓaka ƙimar nasarar rushewa da sama da 25%.
Kyawawan maki (F220-F1000): Don samar da madaidaicin madaidaicin yumbu tare da samar da juriya mai ƙarfi kamar±0.1 mm.
3. Ƙimar Haɓaka Tsari
(1) Ƙarfin Kuɗi
Sauya yashi zircon dafarin gauraye alumina zai iya rage farashin kayan da 30-40%. Hakanan yana ba da damar rage kaurin harsashi da 15-20% (kauri na harsashi: 0.8-1.2 mm), yana rage zagayowar ginin harsashi.
(2) Amfanin Muhalli
Tare da ƙarancin ƙarancin ƙarfe mai nauyi (<0.01%), farin alumina mai haɗaɗɗiya ya dace da ka'idodin muhalli na ISO 14001. Yashin sharar gida yana iya sake yin amfani da shi 100% kuma ana iya sake yin amfani da shi wajen samar da kayan da ba a so.
Tabbatar da Aikace-aikace
An karɓe wannan kayan a ko'ina a cikin manyan filaye kamar ruwan injin turbine na sararin samaniya da madaidaicin simintin gyaran na'urar likita. Yawancin lokuta suna nuna cewa yana iya haɓaka ƙimar izinin samfur daga 85% zuwa 97%.