1060 Zafafan Girgizar Aluminum: Cikakken Magani don Kula da Sikelin Sama

1060 zafi birgima aluminum da'irori, saboda girman tsarkinsu (≥99.6%) da karfi reactivity, da sauri samar da mai yawa Al₂O₃ ma'aunita hanyar amsawa tare da iskar oxygen a yanayin zafi mai zafi. Rashin isasshen iko yana haifar da lahani kamar shigar da sikelin, scabs, da rami, yana shafar aiki na gaba da bayyanar. Kula da sikelin yana buƙatar riko da ƙa'idodin asali guda uku na “Rage tushen - cirewar cikin tsari - kariya ta ƙarshe”, kafa tsarin gudanar da rufaffiyar madauki a duk tsarin daga ingot zuwa dumama, zafi mirgina, da sanyaya. Wannan yana tabbatar da kauri sikelin iri ɗaya, cirewa sosai, kuma babu wata gurbatacciyar cuta.

I. Tsarin Ƙirƙirar Sikeli da Hatsari

1. Ƙirƙirar Tsarin Mulki

• Oxidation mai girma-zazzabi:A cikin 400-500°Czafin mirgina mai zafi, saman aluminum yana amsawa da sauri tare da iskar oxygen don samar da a fim din Al₂O₃ oxide mai yawa. Maɗaukakin yanayin zafi da tsawon lokacin riƙewa yana haifar da ma'auni mai kauri.
• Haɗawar Muhalli:High oxygen abun ciki (>1%) ko zafi mai yawa a cikin tanderun dumama, ko tsawaita iskar da ake birgima, yana hanzarta haɓaka sikelin kuma yana iya haifar da kauri na gida.
• Na biyu Oxidation:Saurin sanyaya da'irar aluminium yayin canja wuri ko tsayawar birgima na iya haifar da sako-sako da oxide Layer, wanda aka sauƙaƙa manne a cikin substrate yayin mirgina na gaba, haifar da lahani.

2. Matsalolin Mahimmanci

• Hatsarin Bayyanawa da Gudanarwa:Sikelin da aka matse cikin saman yana haifar da kututturewa/ramuka, yana haifar da fashewa a cikin tambari na gaba / juyawa ko mannewa mara kyau.
• Aiki da Tasirin Rayuwa:Sikeli yana rushe ci gaban matrix na aluminum, rage juriya na lalata da ƙarfin gajiya, shafi amincin samfur.
• Kudi da Asarar Biyayya:Yana haɓaka farashi don niƙa / tarawa na gaba. Samfuran da ba su dace ba suna fuskantar tunatarwa kuma suna iya yin tasiri ga isar da odar fitarwa.

II. Sarrafa Source: Rage Sikeli daga Ingot zuwa dumama

1. Ingot Pretreatment: Kawar da Hatsarin Sikelin Farko

• Tsabtace Danyen Abu:Yi amfani da high-tsarki electrolytic aluminum ingots (tsarki ≥99.6%). Dole ne a jera tarkacen aluminum sosai, tare da cire sikelin saman don guje wa ƙazanta da ke tabarbarewar iskar shaka.
• Homogenization da Scalping:Ingots yana faruwa 480-520C, 4– 6 awahomogenization annealing don kawar da abun da ke ciki segregation. Surface Izinin fatar kan mutum ≥1.5 mmsosai yana kawar da sikelin simintin gyare-gyare da haɗawa, rage tushen sikelin daga farkon.
• Tsabtace Sama:Bayan scalping, goge saman da noopropanol + acetonedon cire mai, sannan 80-100 ° C bushewar iska mai zafi don tabbatar da cewa saman ba su da mai da danshi kafin yin cajin tanderun..

2. Haɓaka Tsarin dumama: Matsakaicin Ƙimar Ƙirƙirar Sikeli

(1) Zazzabi da Tsarin Lokaci

• Zazzabi Zazzabi:Domin 1060 aluminum mai tsabta, sarrafa zafi mirgina zafin zafi a 480-510 ° C. Guji wuce 520°C don hana kauri da sauri.
• Rike Lokaci:Daidaitaccen sarrafawa bisa kaurin ingot (2- 3 hours don kauri ≤300mm, ƙara zuwa 3-4 hours for >300mm) don rage yawan lokacin zama mai zafi da samuwar sikelin.
• Dabarun dumama:Amfani dumama stepwise​ (preheat a 200 ° C don 1h → riƙe a 400 ° C don 1h → zafi zuwa zafin zafin jiki) don rage zafi fiye da kima da girma mara daidaituwa.

(2) Sarrafa Yanayin Tanderu (Babban Mataki)

• Low-Oxygen/Kariya Dumama yanayi:Sarrafa iskar oxygen abun ciki zuwa ≤0.5%. Fifiko nitrogen kariya​ (gudun hijira 50-100 m³/h) don ware aluminum daga oxygen, rage sikelin samuwar da kan 80%.
• Kula da ɗanshi:Sarrafa zafi tanderu a 20-30%. Babban zafi yana haɓaka iskar oxygenation, ana buƙatar bushewa na yau da kullun na tanderun da kayan aiki.
• Wurin Wuta Atmosphere:Shigar da tsarin zagayawa don tabbatar da daidaitaccen abun ciki na oxygen da zafin jiki a cikin tanderun, guje wa manyan bambance-bambancen gida a cikin sikelin kauri.

Iii. Sarrafa tsari: Cikakken Cire Sikeli yayin Juyawa mai zafi

1. Ragewar Ruwa Mai Matsi: Babban Hanyar Cire Jiki

(1) Maɓallin Maɓalli da Saita

• Ƙarfafa Lokaci:Yi descaling sau ɗaya kafin mirgina mai ƙarfi da sau ɗaya bayan kowane wucewa don cire sabon sikelin da aka yi da sauri kuma a hana shi daga mirgina a ciki..
• Matsawa da Gudu:Sarrafa matsa lamba a 15- 25 MPa​ (dace da 1060 halayen sikelin sikelin aluminium tsarkakakku), yawan kwarara ≥ 800 L/min, tabbatar da tasirin tasirin ruwa ya isa ya cire sikelin.
• Kanfigareshan Nozzle:Amfani mike jet high-matsi nozzles​ (fesa kwana 22°-30°), nisan bututun ƙarfe daga saman da'irar 80- 120 mm, an tsara shi daidai a cikin saiti 4-6 don cikakken ɗaukar hoto ba tare da matattun yankuna ba.
• Ingancin Ruwa:Amfani ruwa mai laushi​ (taurin ≤50 mg/l) tare da tacewa mataki uku (Rabuwar guguwar → madaidaicin tacewa → rabuwar maganadisu) don guje wa karce daga ƙazantar ruwa.

(2) Wuraren Aiki

• Yi descaling lokacin da'irar aluminum zafin jiki shine ≥ 400° C, tabbatar da sikelin ya karye kuma cikin sauƙin ruwa ya fizge shi.
• Nan da nan bayan descaling, amfani a labulen iska mai zafi​ (80-100°C) don ware daga iska, rage lokacin oxidation na biyu.

2. Zafafan Mirgina Tsari: Rage Ƙirƙirar Sikeli da Shigarwa

(1) Ƙirƙirar Ma'auni na Rolling

• Rarraba Rarraba:Sarrafa rage raguwar izinin wucewa a 30%-50%, nisantar raguwar wuce gona da iri wanda zai iya haifar da rarrabuwar kawuna da shiga. Ƙarshen raguwar izinin wucewa ≤ 20%don tabbatar da ingancin surface.
• Saurin mirginawa:Gudu mai tauri 1.5-2.0m/s​ (yin amfani da nakasar zafi don jinkirin sanyaya), gudun gamawa 0.8- 1.2m/s, rage lokacin bayyanar zafi mai zafi don iyakance samuwar sikelin.
• Ƙarshen Mirgina Zazzabi:Sarrafa a 380-420 ° C. Ƙananan ƙananan yana sa ma'auni manne sosai ga ma'auni, yin cirewa da wahala; ma high accelerates sakandare hadawan abu da iskar shaka.

(2) Aiki Roll da Lubrication Management

• Yanayin Mirgina Aiki:Roll surface gama ≥ Ra 0.8 μm. A niƙa a kai a kai kuma a gyara juzu'i don guje wa ɗaukar aluminium ko karce da ke haifar da sikeli.
• Tsarin Lubrication:Amfani sadaukar da zafi mirgina aluminum emulsion​ (maida hankali 5% -8%), tabbatar da ɗaukar hoto iri ɗaya akan wurin tuntuɓar nadi/billet don rage zafi da oxidation.
• Roll Cleaning:Amfani iska mai ƙarfi + jidon ci gaba da tsaftace saman nadi na sikeli da tarkace yayin mirgina don hana kamuwa da cuta ta biyu.

3. Canja wuri da Kariyar tazarar: Hana Oxidation na Sakandare

• Lokacin Canja wurin:Iyakance lokacin canja wuri tsakanin mirgine wucewa zuwa ≤ 30 seconds. Yi amfani da keɓaɓɓen murfi don da'irar aluminum don rage hulɗar iska.
• Kula da Muhalli:kula a matsi mai kyaua cikin zafi birgima yankin (yawan iskar iska ≥10 iskar canje-canje/sa'a) don rage shigar iska a waje. Kula da zafin jiki 25-35°C, zafi 40%-50%don rage oxidation rate.
• Kariyar Kariya:Yi amfani da na'urorin yumbu masu jure zafin jiki don guje wa hulɗa kai tsaye tare da da'irar aluminum da ke haifar da lalata galvanic da ware daga iska..

IV. Ikon Ƙarshen Ƙarshe: Sanyi Mai Sauri da Kariya Bayan Zafafan Mirgina

1. Tsarin sanyaya: Tsarin Sikelin Sarrafa da Kauri

• Hanyar sanyaya:Amfani hazo hade + sanyaya labulen ruwa. Sarrafa yawan sanyaya a 50-80°C/mindon guje wa sanyi mai sauri yana haifar da fashewar sikelin.
• Zazzaɓin Ƙarshen Ƙarshen sanyi:Kuyi ku kasa da 150 ° Ckafin bayyanar iska, yayin da ma'auni ke ƙoƙarin daidaitawa kuma ba shi da yuwuwar samar da Layer oxide mara kyau.
• Daidaita Sanyi:Yi amfani da nozzles masu sanyaya mai siffar zobe don tabbatar da daidaiton saurin sanyi a cikin da'irar aluminum, hana kauri sikelin gida mara daidaituwa.

2. Kariyar Kariya ta Ƙare: Hana Oxidation na gaba

• Maganin Sama:Bayan sanyaya, tsafta da a tsaka tsaki mai tsaftacewadon cire ragowar emulsion da tabon ruwa, biye da 80-100 ° C bushewar iska mai zafi don tabbatar da yanayin da ba shi da danshi da mai.
• Rufin Kariya:Don ajiya na ɗan gajeren lokaci, tambaya a ruwa mai narkewa anti-tsatsa shafi​ (kauri 1-2 μm) don ware daga iska da danshi. Don ajiya na dogon lokaci, yi amfani da marufi ko marufi mai cike da nitrogen.
• Gudanar da Warehouse:Ajiye a zazzabi 20-28 ° C, zafi ≤ 45%. Tari da'irar aluminium a cikin yadudduka don guje wa damshin da ke cikin gida da iskar shaka daga tari.

V. Maɓallin Sarrafa Maɓalli da Matsayin dubawa

1. Teburin Sarrafa Mahimmanci

2. Ma'aunin Binciken Sikeli

• Duban Kauri:Amfani eddy halin yanzu kauri ma'auni. Sikelin kauri bayan zafi mai zafi ≤ 5 μm, ƙãre samfurin surface sikelin kauri ≤ 2 μm.
• Binciko na gani:Surface free of sikelin indentation, scabs, rami. Ba a ganuwa Layer-fari oxide Layer. Tsawon lahani na gida ≤ 0.5 mmkuma ba a ci gaba da rarrabawa ba.
• Gwajin Adhesion:Yi gwajin ƙetare (1×1 grid mm), shafa da kwasfa tef. Ma'auni bai kamata ya rabu ba (Class 0 misali).
• Mitar dubawa:Gwada samfurori 3-5 a kowane tsari, samfurin kowane 2 hours don tabbatar da kwanciyar hankali tsari.

Vi. Matsalolin gama gari da Magani

VII. Takaitawa da Dogon Sarrafa

1060 zafi birgima aluminum da'irar sikelin sarrafawa ne a cikakken tsari na tsarin aiki. Yana buƙatar ka'idar “Rage tushe a matsayin tushe, Cire cikin tsari a matsayin ainihin, Kariyar ƙarshen ƙarshen azaman kariya”. Ta hanyar yunƙurin haɗin kai na matakai biyar masu mahimmanci-ingot scalping, m yanayi dumama, high-matsi ruwa descaling, daidai zafi mirgina, kuma saurin sanyaya-kauri za a iya sarrafa shi da ƙarfi a ≤2 μm, tare da ƙimar cancantar gani ≥ 99.5%.

kuma an haɗa lissafin da ke ƙara ma rabon iko, kafa a tsarin gano cikakken tsariyana da mahimmanci, rikodin yanayin zafi, descaling sigogi, da zafi mirgina bayanai ga kowane tsari. Ya kamata a gudanar da ingantaccen tsari na yau da kullun da kiyaye kayan aiki don samar da tsari na dogon lokaci don sarrafa ma'auni, saduwa da stringent saman ingancin buƙatun na ƙasa sarrafa da high-karshen fitarwa kasuwanni.