Amatafari ya Mullite na Sillimanite
Amatafari menshini itafari rinini rikora neza cyane rifite alumina nyinshi kandi rifite mullite (3Al₂O₃·2SiO₂) nk'igice cy'ingenzi cya kristu, ni cyo kintu cyonyine gihamye gikoresha kristu mu bushyuhe bwinshi muri sisitemu ya Al₂O₃-SiO₂. Rifite ubushyuhe bwinshi cyane (nta guhindagurika hejuru ya 1600℃ ku ikoreshwa igihe kirekire, riragabanuka cyane), ritanga umusaruro mwiza mu bushyuhe (kwaguka buhoro k'ubushyuhe, kurwanya gucikagurika/gukura), rirwanya ingese (rirwanya aside/slag idafite aho ibogamiye cyangwa ingese ishonga, ridashobora gushonga cyane).ihumanya ikirere), imbaraga zo gukandana mu bushyuhe bwinshi n'ubushyuhe buringaniye kandi bigaragara ko hari imyenge iri hagati, ifite ibisobanuro byuzuye kandi ihinduranya uburyo bworoshye, ikoreshwa cyane mu nganda zitandukanye zikoresha ubushyuhe bwinshi, bigatuma iba ibikoresho bikunda gukoreshwa mu gushyiramo ibice by'imbere by'amatanura atandukanye akoresha ubushyuhe bwinshi.
Ishyirwa mu byiciro ry'ibicuruzwa:
1. Itafari rya Sintered Mullite:Yakozwe muri bauxite na silica (1600-1700℃ ishyushya), Al₂O₃ 65%-72%. Ihendutse, ikuze, ikwiriye imiterere isanzwe y'ubushyuhe buringaniye; iboneka mu matafari asanzwe/afite ishusho yihariye, akoreshwa cyane mu bikoresho by'ubwubatsi no mu matanura y'ibyuma.
2. Itafari rya Mullite ryahujwe:Ifite amashanyarazi avanze (hejuru ya 1900℃), kristu ikomeye, imiterere yayo irushaho kuba myinshi. Al₂O₃ 70%-75%, irwanya ubushyuhe bwinshi/ingese, iragabanuka cyane. Ikwiriye ahantu hashyuha cyane (hejuru ya 1650℃) (amatanura ashongesha ikirahure, ibyuma bigezweho).
3. Amatafari ya Zircon Mullite:Inyongeramusaruro ya Mullite + zircon (ZrSiO₄) (1650-1720℃). Al₂O₃ 68%-75%, ZrO₂ 8%-15%, irwanya isuri cyane. Ikoreshwa mu bikoresho by'ifuru bishongesha ikirahure n'ibikoresho bishongesha bidakoresha feri bishongesha irangi cyane.
4. Amatafari ya Mullite yo mu rwego rwo hejuru:Alumina/silika ifite isuku nyinshi, Fe₂O₃≤0.2%, Al₂O₃ 72%-78%, ifite ubushyuhe buri hejuru ya 1850℃. Nta mwanda, ifite ubushyuhe bwinshi, ikoreshwa neza mu bintu bifite isuku nyinshi (ibyuma bikozwe neza, amatanura ya elegitoroniki).
5. Ibice bya Mullite byateguwe mbere:Byahinduwe hakurikijwe ingano/imiterere y'itanura, nta gukata aho rikorerwa, imikorere myiza yo kubaka, gufunga neza. Bikwiriye ibice by'itanura bidakora neza (amashyiga ashyushye, amatanura asaduka), bigabanya ibyago byo kugwa kw'amatafari.
Itafari rya SillimaniteIkozwe muri sillimanite karemano (Al₂SiO₅, Al₂O₃ ifite ingano ya 62.9%) binyuze mu gukusanya, gushushanya no gusya ubushyuhe bwinshi. Ikiranga cyayo cy'ingenzi ni uko sillimanite ihinduka mu cyiciro cya mullitization ku bushyuhe bwinshi (1300-1500℃), iherekejwe no kwaguka mu rugero rwo hagati (2%-3%), bishobora kugabanya gushwanyagurika k'umubiri w'amatafari, bigatuma umubiri w'amatafari uba mwinshi kandi ufunze neza. Ingufu zayo zo kugabanya ubushyuhe ni 1770-1830℃, zikwiriye cyane cyane imikorere y'ubushyuhe buringaniye n'ubushyuhe buri hejuru hamwe n'ihindagurika ry'ubushyuhe bwinshi n'ingufu za shimi, hamwe n'ibiciro bishimishije.
Ishyirwa mu byiciro ry'ibicuruzwa:
1. Itafari risanzwe rya Sillimanite:Sillimanite karemano (Al₂O₃ 60%-62%) + bauxite/ibumba, ikoreshwa mu gutwika ibintu bisanzwe. Ifite imiterere iringaniye, ubushyuhe bwiza, ihendutse; ku bushyuhe busanzwe kandi buhindagurika kenshi (umuhogo w'ifuru ishyushye, ibikoresho byo mu ifuru ya ceramic).
2. Itafari rya Sillimanite risukuye cyane:Sillimanite karemano ifite isuku nyinshi (Al₂O₃ 62%-65%), Fe₂O₃≤0.3%, 1580-1650℃ ishyushya. Ifite ubucucike bwinshi, irwanya alkali/ingese neza; ku ngeso nkeya z’ibinyabutabire (amatanura y’ibirahure, amatanura adashongesha ibyuma).
3. Itafari rya Sillimanite-Mullite Composite:Sillimanite + mullite, ihinduka ry’impinduka mu byiciro + ihamye mu bushyuhe bwinshi. Al₂O₃ 63%-68%, irinda ubushyuhe bwinshi no kudakora neza; ku ihindagurika ry’ubushyuhe bwinshi, ku muvuduko mwinshi utwara imizigo (hasi mu itanura riturika, umuyoboro w’amazi y’ikirahure).
Ibikoresho by'amatafari ya Sillimanite:Amatafari yo mu muyoboro, umuyoboro w'amazi, umuyoboro uzenguruka, akabasi ko kugaburira, impeta y'aho amazi anyura, agapira ko gukaraba, agapfukamunwa, agatafari ko kugaburira, amatafari yo kunyweraho umuriro, agatafari ko kugabanya ubushyuhe, amatafari yo ku mfuruka, agapfukamunwa k'akabati, agapfukamunwa k'akabati ko kugaburira, amatafari yo mu mwobo unyuramo, amatafari yo gutwika, inkingi, amatafari yo kutwikira n'andi moko n'ibipimo byayo.
Ibyiza by'ingenzi:
1. Kwiyongera kw'impinduka mu cyiciro:Kwagura ubushyuhe bwinshi bigabanya kugabanuka, bigatuma habaho gufunga neza no gufunga neza.
2. Ubushyuhe buringaniye:Kwaguka k'ubushyuhe buke, kurwanya ubushyuhe cyane, bikwiye mu gihe ubushyuhe buhindagurika kenshi.
3. Ihendutse kandi ihendutse:Ibikoresho karemano bya sillimanite, bihendutse ugereranije n'amatafari ya mullite, bikwiranye n'ibintu bihendutse.
4. Ubudahangarwa bwiza bwo kurwanya ubushyuhe:Irwanya ingese y'amazi ya slag/glass liquid ndetse n'ubushyuhe bwinshi, ntibyoroshye kuyikuramo.
5. Bisanzwe kandi bitangiza ibidukikije:Nta mwanda wangiza, nta mwanda muke uhumanya ibintu, bikwiriye gukoreshwa mu matanura atangiza ibidukikije.
| Ibicuruzwa | GatatuHasiMullite | Sintered Mullite | Sillimanite Mullite | ByahujweMullite | ||||
| Urutonde | RBTM-47 | RBTM-65 | RBTM-70 | RBTM-75 | RBTA-60 | RBTA-65 | RBTFM-75 | |
| Ubushobozi bwo kugarura ubushyuhe (℃) ≥ | 1790 | 1790 | 1790 | 1790 | 1790 | 1790 | 1810 | |
| Ubucucike bw'umubyimba (g/cm3) ≥ | 2.42 | 2.45 | 2.50 | 2.60 | 2.48 | 2.5 | 2.70 | |
| Ingano igaragara (%) ≤ | 12 | 18 | 18 | 17 | 18 | 18 | 16 | |
| Imbaraga zo Gusya Ubukonje (MPa) | 60 | 60 | 70 | 80 | 70 | 70 | 90 | |
| Impinduka y'umurongo ihoraho (%) | 1400°×2h | +0.1 -0.1 | | | | | | |
| 1500°×2h | | +0.1 -0.4 | +0.1 -0.4 | +0.1 -0.4 | +1 -0.2 | ± 0.2 | ± 0.1 | |
| Refractoriness Under Load@0.2MPa(℃) ≥ | 1520 | 1580 | 1600 | 1600 | 1600 | 1620 | 1700 | |
| Creep Rate@0.2MPa 1200°×2h(%) ≤ | 0.1 | ― | ― | ― | ― | ― | ― | |
| Al2O3(%) ≥ | 47 | 64 | 68 | 72 | 60 | 65 | 75 | |
| Fe2O3(%) ≤ | 1.2 | 0.8 | 0.8 | 0.7 | 1.0 | 0.8 | 0.5 | |
Amatafari menshi:
1. Inganda zikora ibyuma: Igisenge cy'amashyiga ashyushye, umugozi w'ifuru ishyushye, umugozi w'ifuru ishyushye, itanura rishongesha ibyuma ritari fer;
2. Inganda z'ibikoresho by'ubwubatsi: Agace k'itanura rya ceramic gafite ubushyuhe bwinshi, agace k'impinduka k'itanura rya sima rizunguruka, itanura ridafite aho ribohera;
3. Inganda z'ibirahuri: Imashini ivugurura, umuyoboro, imashini yo kumesa imyenda n'urukuta rw'inyuma rw'itanura rishongesha ibirahuri;
4. Inganda zikora imiti: Ifuru icukuramo lisansi, imashini ikoresha calcium nyinshi, ifuru ikoresha catalyst;
5. Ifuru ikoresha ibikoresho bya elegitoroniki, itanura rikoresha ibyuma (rikwiriye ubwoko bw'ibikoresho bifite isuku nyinshi).
Amatafari ya Sillimanite:
1. Inganda zikora ibyuma: Amatafari yo hasi akingira ifuru, umuhogo w'ifuru, ahantu ho gusohokera icyuma, ahantu hashyushye n'ubushyuhe buri hagati n'ubushyuhe bwo hasi;
2. Inganda z'ibirahuri: Urukuta rwo ku ruhande rw'ikigega cyo gukoreramo, umuyoboro w'amazi, amatafari y'imiyoboro n'itara ripima ibyuka bishya by'itanura rishongesha ibirahuri;
3. Inganda za Ceramic: Ahantu ho gutwika itanura rya Ceramic, ibikoresho byo mu itanura (saggar, shelf), ububiko bw'itanura rya Tunnel;
4. Inganda zikora imiti: Ifuru ishongesha ibyuma idakoresha fer, ifuru ishyushya cyane, ifuru ishyushya aside sulfurike;
5. Ibindi Bice: Igice cy'ubushyuhe bwinshi cy'icyuma gitwika imyanda, igitambaro cya sima gishyushya mbere y'itanura (kibereye ubwoko busanzwe).
Ibibazo Bikunze Kubazwa
Ukeneye ubufasha? Menya neza ko usura urubuga rwacu rw'ubufasha kugira ngo uhabwe ibisubizo by'ibibazo byawe!
Turi uruganda nyakuri, uruganda rwacu rwihariye mu gukora ibikoresho birwanya ubushyuhe mu gihe kirenga imyaka 30. Twizeza gutanga igiciro cyiza, serivisi nziza mbere yo kugurisha no nyuma yo kugurisha.
Kuri buri gikorwa cyo gukora, RBT ifite sisitemu yuzuye ya QC y’imiterere ya chimique n’imiterere ifatika. Kandi tuzagerageza ibicuruzwa, kandi icyemezo cy’ubuziranenge kizatangwa hamwe n’ibicuruzwa. Niba ufite ibisabwa byihariye, tuzagerageza uko dushoboye kose kugira ngo tubigereho.
Bitewe n'ingano, igihe cyo kohereza kiratandukanye. Ariko twizeza kohereza vuba bishoboka kandi bifite ubuziranenge bwemejwe.
Birumvikana ko dutanga ingero ku buntu.
Yego, birumvikana ko mufite ikaze gusura ikigo cya RBT n'ibicuruzwa byacu.
Nta mupaka uhari, dushobora gutanga igitekerezo cyiza n'igisubizo gikwiye bitewe n'imimerere yawe.
Tumaze imyaka irenga 30 dukora ibikoresho birwanya ubushyuhe, dufite ubufasha bukomeye mu bya tekiniki n'uburambe bwinshi, dushobora gufasha abakiriya gushushanya amatanura atandukanye no gutanga serivisi imwe.
