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bulukeetiyada Aluminiinta Sare ee Foornada Warshadaha

Alaabooyinka Qaabaysan Cadaadiska Mashiinada

bulukeetiyada Aluminiinta Sare ee Foornada Warshadaha

1.High alumina leben waa leben refractory ka samaysan ugu horrayn ka alumina (Al2O3) iyo qalab kale, loogu talagalay codsiyada heerkulka sare sida foornada, kilns, iyo reactors.
2.Processing: bauxite waxa loo isticmaalaa sida alaabta ugu muhiimsan ee ceeriin, clinker waxaa lagu kala soocaa by grading iyo shaandheeyo si ay u soo saarto birta, oo waxaa lagu diyaariyaa by heerkulka sare.
3. Wax-soo-saarka: Waxa lagu sameeyaa isku dhafka alaabta ceeriin (bauxite ama macdano kale oo aluminium sare ah), iyaga oo u qaabaynaya leben, oo lagu rido heerkul sarreeya. Habka wax-soo-saarka waxaa ku jiri kara waxyaabo lagu daro iyo xirmooyin kala duwan si loo gaaro sifooyinka la rabo.
4. Lebenka aluminiumka sare waxaa loo doortaa adkeysigooda iyo hufnaantooda deegaan aad u daran, taas oo ka dhigaysa qayb muhiim ah codsiyada warshadaha heerkulka sare leh.

    Astaamaha

    Hordhacyada bulukeetiga sare ee aluminium2

    1. Refractoriness High: Waxay u adkeysan karaan heerkul aad u sarreeya, iyaga oo ka dhigaya kuwo ku habboon in loo isticmaalo foornooyinka iyo meelaha kale ee heerkulka sare leh.
    2. Degganaanshiyo Heerkuleed oo aad u Wanaagsan: Lebenkan waxa ay ilaalinayaan qaabdhismeedkooda qaabdhismeedkooda iyo sifadooda makaanikada xitaa marka ay hoos yimaadaan isbeddelada heerkulka degdega ah, iyaga oo yaraynaya halista dhaawaca shoogga kulaylka.
    3. Guryaha Dahaarka ee Wanaagsan: Inkasta oo aan waxtar u lahayn sida qalabyada khaaska ah ee khaaska ah, lebenka aluminium ee sare ayaa bixiya qaar ka mid ah dahaarka ka soo horjeeda wareejinta kulaylka, caawinta ilaalinta tamarta codsiyada warshadaha.
    4. U adkaysiga Daxalka iyo Nabarrada: Waxay u adkaystaan ​​daxalka kiimikaad iyo xidhashada farsamada, iyaga oo ku dheeraynaya cimrigooda xaaladaha adag ee shaqada.
    5. Dhaqdhaqaaqa kulaylka oo hooseeya: Hantidani waxay caawisaa inay yarayso luminta kulaylka ayna ilaaliso muuqaalada heerkulka joogtada ah ee gudaha dahaarka refractory.
    Guud ahaan, lebenka aluminiumka sare waxaa lagu qiimeeyaa adkeysigooda, isku halaynta, iyo awoodda ay ugu adkeystaan ​​xaaladaha ba'an ee hababka warshadaha kala duwan.

    Codsiga

    Lebenka aluminiumka sare ayaa caadi ahaan loo isticmaalaa warshadaha sida birta, sibidhka, dhalooyinka, iyo ceramics awooddooda u adkeysiga heerkulka xad dhaafka ah iyo xaaladaha adag. Foornada qarxinta fuudka ah, shooladda qaraxa kulul, foornada koronto ee dusheeda iyo dahaarka joogtada ah.

    Tusmada waxqabadka jirka iyo kiimikaad ee ugu muhiimsan

    Tusmada LZ-75 LZ-65 LZ-55 LZ-48
    Al2O3% ≥ 75 65 55 48
    Refractoriness ℃ ≥ 1790kii 1790kii 1770kii 1750kii
    Dib-u-soo-celinta culeyska saaran (0.6%) ≥ 1520 1500 1470 1420
    Isbeddel toosan oo joogto ah (1500℃×2h) % +0.1~-0.4 +0.1~-0.4 +0.1~-0.4 +0.1 ~ -0.4 (1450 ℃)
    Borosity muuqda % saddex iyo labaatan saddex iyo labaatan labaatan iyo laba labaatan iyo laba
    CCS MPa ≥ 53.9 49 44.1 39.2