Arụmọrụ nke White Fused Alumina na nkedo itinye ego
1. Ntinye nkedo Shell Ihe
Alumina agwakọtara ọchaA na-emepụta ya site na ijikọta alumina ụlọ ọrụ dị elu na okpomọkụ karịa 2000CelsiusC. Ọ na-enye ịdị ọcha pụrụ iche (α- Al₂O₃ọdịnaya> 99-99.6%) na nnukwu refractoriness nke 2050CelsiusC-2100CelsiusC, nwere ọnụọgụ mgbasawanye ọkụ dị ala (ihe dị ka 8×10⁻/°C). Ngwongwo ndị a na-eme ka ọ bụrụ ezigbo nhọrọ maka aja zircon ọdịnala dị ka ihe kacha ewu ewu maka itinye ego. Iri nha ya dị elu (nkesa nha ọka> 95%) yana ezigbo mgbasa ozi na-enyere aka ịmepụta njupụta, ihe ndị siri ike karị, na-emeziwanye nkedo elu na nha nha na-ebelata ọnụego ntụpọ.
2. Nkwalite ebu
Site na ike Mohs nke 9.0 yana ezigbo njigide ike dị elu (na-ejigide iguzosi ike n'ezi ihe karịa 1900).CelsiusC),alumina agwakọta ọchana-agbatị ndụ ọrụ ebu site na 30-50% Mgbe a na-eji ya eme ihe n'ụdị ma ọ bụ cores maka nkedo ígwè, ihe nkedo, ma ọ bụ alloys na-abụghị nke ígwè, ọ na-eguzogide nbibi nke ígwè na-asọ asọ nke ọma ma na-ebelata ugboro nrụzi na nrụzi.
Uru nke White Fused Alumina
(1) Nkwụsi ike dị elu
Alumina agwakọtara ọchana-enye nkwụsi ike thermochemical pụtara ìhè n'oge ọrụ nkedo. Ọnụego mgbasawanye ọkụ ya dị ihe dị ka otu ụzọ n'ụzọ atọ nke ihe ndị a na-emekarị, na-enyere aka igbochi nrụrụ ebu ma ọ bụ nkedo n'ihi mgbanwe okpomọkụ mberede. Evolushọn gas ya dị ala (ntọhapụ gas <3 ml/g) na-ebelata mmebi nke porosity na nrụrụ aka.
(2) Ogo mmecha elu
Mgbe ejiri ya dị ka ezigbo ntụ ntụ polishing (nha ọka 0.5-45μm),alumina agwakọta ọchana-ebuga na-agbanwe agbanwe, ọbụna abrasion nke nwere ike nweta ihe nkedo elu nke Ra <0.8μm. Ọdịdị ya na-akpụzi onwe ya (ọnụọgụ nbibi <5%) na-eme ka ọ dịgidere ịdị irè ịkpụcha ya yana nsonaazụ polishing kwụsiri ike.
(3) Nkwekọrịta usoro
Anyị na-enye nha ọka a na-agbanwe agbanwe sitere na F12 ruo F10000 ka ọ dabara na usoro nkedo dị iche iche:
Ọkwa dị obere (F12-F100): Maka mwepụta ebu n'ụdị dị mgbagwoju anya, na-abawanye ọnụego ihe ịga nke ọma na-emebi ihe karịrị 25%.
Ọkwa dị mma (F220-F1000): Maka imepụta cores seramiiki dị elu na-eme ka nnabata dị ka nke siri ike.±0.1 mm.
3. Usoro njikarịcha uru
(1) Ọnụ arụmọrụ
Iji dochie ájá zirconalumina agwakọta ọcha nwere ike ibelata ọnụ ahịa ihe onwunwe site na 30-40% Ọ na-emekwa ka ọkpụkpụ shei belata site na 15-20% (ọkpụrụkpụ shei: 0.8-1.2 mm), na-ebelata okirikiri ụlọ nke shei.
(2) Uru gburugburu ebe obibi
Site na ọdịnaya metal dị arọ dị ala (<0.01%), alumina na-acha ọcha na-ezute ụkpụrụ gburugburu ebe obibi ISO 14001. Aja n'efu bụ 100% enwere ike ịmegharị ya ma nwee ike ijikwa ya na mmepụta refractory.
Ngwa egosiri
A nabatala ihe a n'ọtụtụ ebe n'ubi dị elu dị ka eriri igwe ikuku ikuku na nkedo nkenke ngwaọrụ ahụike. Ọnọdụ ndị a na-ahụkarị na-egosi na ọ nwere ike ịbawanye ọnụego ngafe ngwaahịa site na 85% ruo 97%.