Fasahar Cire Kazanta Don Tsarin Ƙarƙwarar Aluminum na Secondary

Za'a iya raba tsarin samar da gami na aluminium zuwa matakai uku: prereatment, smelting (gami da tacewa), da simintin ingot. Tsarin narkewa shine ƙara ƙaramin aluminium a cikin tanderun ƙura da zafi don narke cikin yanayin ruwa. Bayan slagging, ma'aunin zafin jiki da abun da ke ciki Ana duba dubawa da sauran matakai zuwa murhu mai tacewa, inda ake ƙara abubuwa kamar silicon da jan ƙarfe, kuma ana aiwatar da gurɓataccen abu, cire slag da tsaftacewa. Abubuwan ƙarfe masu cutarwa a cikin narkar da aluminium na biyu galibi sun haɗa da Fe, Mg, Zn, Pb, da sauransu.

1. Fuskar Cire Karfe

Iron shine mujallar gama gari a cikin samar da aluminium na sakandare, wanda ke da mummunan tasiri akan inganci da aikin aluminium da aluminium. Sabili da haka, ban da yin ƙyalli na ƙyallen aluminium don cire baƙin ƙarfe, yakamata a cire shigar baƙin ƙarfe gwargwadon iko yayin aikin ƙoshin don hana shi ɗan narkar da shi a cikin narkar da aluminium da aluminium. Gabaɗaya, ana amfani da hanyoyin da ke bi don cire haɗin ƙarfe.

1.1 Hanyar Manganese Da Karfe

Manganese na iya samar da ingantaccen narkar da ma'adanai mai wadatar ƙarfe a cikin maganin allurar aluminium da sakawa a ƙasan tanderu don cimma manufar cire baƙin ƙarfe. Hanyoyin da ke faruwa sune kamar haka:

Al9Fe2Si2+Mn → AlSiMnFe

Adadin manganese da ake amfani da shi don cire 1kg na baƙin ƙarfe shine 6.7-8.3kg, kuma yana iya canza ragowar m, flaky, hard and brittle phase Al9Fe2Si2 phase zuwa cikin flas AlSiMnFe phase, ta haka yana raunana illolin ƙarfe. Koyaya, hanyar ƙara manganese don cire baƙin ƙarfe zai haɓaka abun cikin manganese na gami na aluminium. Bai kamata a yi amfani da allo na aluminium tare da iyakancin manganese ba, kuma farashin hanyar ƙara manganese don cire baƙin ƙarfe yana da girma.

1.2 Ƙara Beryllium zuwa Hanyar Cire Karfe

Beryllium yana haɓakawa tare da matakin Al9Fe2Si2 a cikin narkar da gami na aluminium, ta hakan yana rage tasirin baƙin ƙarfe. Amsar ita ce kamar haka: Al9Fe2Si2+Be → Al5BeFeSi

Ƙara 0.05% -0.1% na beryllium zuwa aluminium da narkar da aluminium na iya haɓaka canjin yanayin flake Al9Fe2Si2 a cikin Al5BeFeSi mai siffa mai siffa, wanda a bayyane yake kawar da guntun allurar aluminium. Koyaya, farashin beryllium yana da girma, kuma tururin beryllium yana da guba, yana cutar da jikin ɗan adam, yana gurɓata yanayin aiki. Sabili da haka, hanyar ƙara beryllium zuwa baƙin ƙarfe yakamata ayi amfani dashi da taka tsantsan.

1.3 Saitin Hanyar Cire Karfe

Hanyar cire baƙin ƙarfe na baƙin ƙarfe shine cikakken tasirin wani babban kayan haɗin gwal wanda aka shirya tare da abubuwa guda huɗu na Mn, Cr, Ni da Zr, waɗanda ke hulɗa tare da madaidaicin ma'adinai mai ƙarfe a cikin narkar da aluminium na aluminium don ƙirƙirar sabon abubuwa da yawa. mahadi mai ƙarfe. Haɗuwa mai yawan ƙarfe mai ƙarfe a hankali yana girma yayin da zafin jiki ke raguwa. Lokacin da yayi girma sosai don shawo kan juriya na sasantawa, zai daidaita ya cire baƙin ƙarfe. Lokacin da adadin Mn, Cr, Ni, da Zr sune 2.0%, 0.8%, 1.2%, da 0.6%, bi da bi, abun cikin ƙarfe a cikin aluminium da aluminium ya narke da magani ta hanyar cire baƙin ƙarfe za a iya rage shi daga 1 % Zuwa 0.2%. Manganese yana taka muhimmiyar rawa wajen cire baƙin ƙarfe a cikin hanyar lalata. Kodayake chromium bai yi kyau kamar manganese ba wajen cire baƙin ƙarfe, yana da mafi kyawun juriya ga iskar shaka da ƙonawa. Babban manufar ƙara nickel shine don rage ɓacin da manganese da ragowar chromium ke haifarwa. Ƙarin zirconium ba zai iya taka rawar baƙin ƙarfe kawai ba, har ma yana da rawar tsaftace hatsi.

1.4 Tacewa da Hanyar Cire Karfe

Hanyar tacewa na cire baƙin ƙarfe ya dogara ne akan ƙa'idar cewa ƙazantattun abubuwa masu ƙarfe na ƙarfe a cikin gami na aluminium suna narkar da rarrabuwa a cikin ƙananan zafin jiki da tsawon lokacin riƙewa, kuma ana amfani da filtration na inji don cire kayan haɗin ƙarfe na zamani. Gabaɗaya ana yin hanyar cire baƙin ƙarfe lokacin da aka zuba narkewar. Ba wai kawai zai iya cire manyan abubuwa masu ƙarfe na ƙarfe ba, har ma yana iya cire wasu manyan abubuwan da ke cikin aluminium da aluminium. Hanyar cire baƙin ƙarfe yawanci yana amfani da kumfa farantin farantin yumbu.

1.5 Narkakken Hanyar Cire Karfe Kai Tsaye

Hanyar cire baƙin ƙarfe kai tsaye ta narkewa an yi amfani da ita sosai a masana'antar aluminium ta biyu saboda ƙarancin farashi da aiki mai sauƙi. An bayyana hanyar a taƙaice kamar haka:

• (1) Tsananta sarrafa zafin narkewa, yi amfani da bambanci tsakanin wuraren narkar da aluminium da baƙin ƙarfe don narkar da aluminium, kuma baƙin ƙarfe da sauran ƙazamar ƙazamar ƙarfe ta daidaita zuwa ƙasan tanderun, don haka cire baƙin ƙarfe. Mai jujjuyawar jujjuyawar mai jujjuyawa na iya sarrafa madaidaiciyar sharar aluminium mai ƙona wuta don sarrafawa.
• (2) Lokacin narkewa, yakamata a cire tarkacen ƙarfe kafin kowane motsawa, kuma a fitar da baƙin ƙarfe da aka gauraya a cikin slag na aluminium yayin cire slag.
• (3) Dangane da ainihin yanayin kayan aikin narkewa da fasaha da aka zaɓa, bisa ƙa'ida, ga kowane ɗanyen sharar aluminium da aka narkar da shi, yakamata a cire ɓarna da baƙin ƙarfe da ke zaune a ƙasan tanderun.
• (4) Lokacin da kamfani na biyu na aluminium yayi amfani da tanderu mai ƙamshi-makera mai riƙewa don samarwa, bayan an narkar da kowane tanderun, ana aika da narkakken aluminium a cikin tanderun don cire baƙin ƙarfe cikin yanayin zafi.
• (5) Yi amfani da narkewa cikin sauri da ƙarancin zafin aluminium. A lokacin narkewa, guntun allurar da aka sake amfani da shi yana narkewa da sauri a ƙarƙashin kariyar sauran ƙarfi, kuma duk tsarin narkewa yana kusan awanni 2-3. Lokacin da aka narkar da ɓoyayyen ɓoyayyen aluminium, zafin zafin narka a wannan lokacin shine kusan 650 ° C. A wannan zafin jiki, narkewar baƙin ƙarfe a cikin aluminium da aluminium yana narkewa yana da ƙanƙanta. A wannan lokacin, baƙin ƙarfe da ke cikin ɓoyayyen ɓoyayyen aluminium an bar shi a cikin slag kuma a bayyane yake tare da slag.

2. Fasahar Cire Magnesium

Magnesium shima najasa ce ta yau da kullun a cikin samar da aluminium na biyu. Wadannan hanyoyin galibi ana amfani dasu don cire magnesium a cikin narkar da aluminium.

2.1 Hanyar Cire Magnesium Ta Oxidation

Cirewar Magnesium ta hanyar oxyidation yana kan ƙa'idar cewa kusancin magnesium da oxygen ya fi na sauran ƙarfe. A lokacin aikin narkewa, magnesium na farko yana ba da ƙarfi sosai tare da iskar oxygen, kuma oxide ɗinsa ba su narkewa a cikin aluminium da aluminium na narkewa da taso kan ruwa, sannan ya tashi daga aluminium da baƙin ƙarfe. Fuskar narkarwar an yi ta kashe ta. Don hanzarta aiwatar da tsarin oxyidation na magnesium, ana iya amfani da kayan aikin don motsa aluminium da aluminium gami da narkewa. Sakamakon hanyar oxyidation don cire magnesium yana ƙaruwa tare da haɓaka lokacin motsawa, amma wannan hanyar kuma tana haifar da ƙonewa da asarar oxide na aluminium, silicon da sauran abubuwa yayin cire magnesium, kuma gabaɗaya bai dace da amfani ba.

2.2 Hanyar Cire Magnesium Chloride

A cikin cirewar magnesium daga narkar da aluminium na biyu, ana amfani da chlorine azaman oxidant don amsawa tare da ƙarfe masu aiki kamar magnesium a cikin narke don samar da chlorides. Saboda magnesium yana da kusanci ga chlorine fiye da aluminium, lokacin da chlorine ya shiga cikin aluminium da aluminium ya narke, halayen sunadarai masu zuwa suna faruwa:

• Mg+Cl2 == MgCl2
• 2Al+3Cl2==2AlCl3
• 3Mg+2AlCl3==3MgCl2+2Al

An narkar da sinadarin chloride na magnesium a cikin garkuwar garkuwar jiki, kuma martanin magnesium da chlorine gas yana fitar da ɗumbin zafi, wanda ke narkar da aluminium da aluminium.

Sakamakon cirewar magnesium na hanyar cirewar chlorination magnesium ya fi bayyane, wanda zai iya rage abun cikin magnesium a cikin aluminium da aluminium ya narke zuwa 0.3%-0.4%, kuma yana da sauƙin aiki. A lokaci guda, yana da ayyukan degassinging da slag, amma chlorine abubuwa ne masu guba sosai, lalacewar lafiyar ɗan adam da muhalli yana da girma, kuma aluminium da aluminium sun narke bayan cire sinadarin magnesium ta gas na chlorine hatsi, da kaddarorin inji sun ragu.

2.3 Cire Gishirin Chlorine Na Hanyar Magnesium

Yawancin saltsin chloride da ake amfani da su don cire magnesium daga narkewar aluminium na biyu shine chloride na aluminium. Wannan hanyar tana amfani da wani matsin lamba na nitrogen don fesa aluminium chloride cikin aluminium da aluminium na narke, ta yadda aluminium chloride da magnesium zasu amsa kamar haka:

2AlCl3+3Mg==3MgCl2+Al

Dangane da wannan hanyar, sinadarin chlorine baya tserewa zuwa cikin sararin samaniya, kuma chloride na aluminium wanda ba a taɓa yin amfani da shi ba yana shafan abubuwan da ke cikin sodium chloride da potassium chloride solvents. Wannan hanyar na iya rage abun cikin magnesium na aluminium da aluminium ya narke da 0.1-0.2%.

2.4 Hanyar Cire Magnesium Cryolite

Cryolite yana haɓaka tare da magnesium don samar da mahadi waɗanda ba za su iya narkewa a cikin aluminium da aluminium na narkewa da cire magnesium. Cryolite yana da arha kuma mai sauƙin samu, don haka an yi amfani da hanyar cire magnesium daga cryolite a masana'antar aluminium ta biyu. Cryolite da magnesium suna fuskantar halayen sunadarai masu zuwa a cikin aluminium da alloy narkewa:

3Na3AlF6+3Mg==2Al+6NaF+3MgF2

Amfani da ka'idar cryolite shine 6kg/kg-Mg, kuma ainihin amfani shine sau 1.5-2 na amfani da ka'idar. Yanayin zafin shine 850-900 ℃, wanda zai iya rage abun cikin magnesium zuwa 0.05%. Don rage zafin jiki don cire magnesium daga cryolite, an yayyafa cryolite wanda ke ɗauke da NaCl 40% da 20% KCl a saman narkewar.

3. Fasaha Don Cire Zinc, Gubar, Da Sauransu

Za'a iya amfani da hanyar chlorination da zinc don cire zinc daga aluminium da aluminium. Wannan hanyar tana amfani da ƙa'idar cewa zinc yana da kusancin oxygen fiye da aluminum. A lokacin aikin narkewa, ana amfani da kayan aikin don motsa aluminium da aluminium gami da narkar da su don haɓaka halayen zinc tare da iskar oxygen, ta haka ne ake cimma manufar cire zinc. Tasirin yana da iyaka, kuma yayin aiwatar da cire zinc, yana da sauƙi don haifar da ƙonawar aluminium da sauran abubuwa. Hakanan zai haifar da narkar da aluminium da aluminium don samun gas da samar da adadi mai yawa. Gabaɗaya, ba a ba da shawarar yin amfani da cirewar zinc ba.

Ana amfani da hanyar narkewa don cire ƙazantar ƙarfe mai nauyi kamar zinc da gubar a cikin aluminium da aluminium. Hanyar narkewa shine tsawaita lokacin tsayawa na aluminium da allurar aluminium ta narke, ta amfani da ƙa'idar mafi girman sinadarin zinc da gubar, ta yadda sinadarin zinc da gubar za su iya nutsewa zuwa kasan tanderun lokacin ƙonawa; kwararar ruwa mai gudana yayin fitarwa na iya yin karafa masu nauyi irin su zinc da gubar Da farko, yana fita yana manne da abubuwan da aka fara zubawa, kuma ana iya zaɓar waɗannan abubuwan don ƙarin magani.

Hakanan za'a iya amfani da hanyar murƙushewa ta elution don cire haɗin ƙarfe na ƙarfe. Wannan hanyar tace aluminium da aluminium na narkewa yana dogara ne akan ƙa'idar cewa solubility na abubuwan ƙarfe da ba na aluminium ba a cikin narkar da aluminium yana canzawa yayin sanyaya. Koyaya, hanyar crystallization rushe yana da tsada mai tsada da aiki mai rikitarwa, kuma ba kasafai ake amfani da shi ba a cikin manyan masana'antar aluminium na sakandare.

Ko da wace hanya ce ake amfani da ita don cire abubuwan ƙarfe marasa ƙarfe a cikin aluminium da aluminium ya narke, zai haɓaka farashin samarwa na aluminium na biyu. Inganta ƙimar amfani kai tsaye na aluminium da ɓarna na aluminium, yin cikakken amfani da dacewa da abubuwa masu mahimmanci a cikin allurar aluminium da allurar aluminium, da zaɓar tsarin ci gaban da aka ambata a sama da ingantaccen tsari yana da mahimmancin fa'ida mai mahimmanci don samar da aluminium da aka sake yin amfani da su.

4. Fasaha Don Cire Sodium, Potassium, Hydrogen, Calcium, da sauransu.

Kasashen waje sun haɓaka fasahar "LARS" ta narkar da fasahar kan layi, wanda zai iya samar da ingantattun ingatattun aluminium don sararin samaniya da jirgin sama tare da buƙatun tsabta. Wannan fasaha tana kan gaba a duniya. Muhimman halayensa sune:

• (1) Yawan fitarwa yana da yawa. Amfani da wannan kayan aikin na iya rage abun cikin hydrogen na kan layi na narkewa daga 0.39mL/100 × 10-6 zuwa ƙasa 0.1mL/100g, kuma ƙimar fita zai iya kaiwa sama da 75%.
• (2) Yadda ake cire ƙazanta na ƙarfe da na ƙarfe.
• (3) Yadda yakamata a cire ƙarfe alkali, sanya K+, Ca+, Li+, Na+ions da sauran ions ƙarfe alkali ƙasa da 1 × 10-6 bayan amfani; yadda ya kamata cire daban -daban mahadi.

Bayan amfani, samfurin ya wuce masana'antar Aerospace na Amurka Class A ko AA da gano aibi. Misali, allurar 7075 kawai tana da ƙimar kulawar ɓarna na Class A na kashi 97%, da ƙimar sarrafa aibi na AA na 92%.

Minghe Kamfanin 'Yan Wasa Masu Mutu Shin mai ƙera Custom na madaidaiciya & simintin mutuƙar baƙin ƙarfe. Kayayyakin sun haɗa da aluminium & zinc mutu simintin. Aluminum mutu simintin gyaran kafa ana samun su a cikin gami gami da 380 & 383. Ƙayyadaddun bayanai sun haɗa da ƙarin /- 0.0025 juriya & matsakaicin nauyin gyaran 10 lbs. Zinc mutu yankan sassa suna samuwa a cikin daidaitattun allo kamar Zamak no. 3, Zamak no. 5 & ​​Zamak no. 7 & gami gami kamar ZA-8 & ZA-27. Ƙayyadaddun bayanai sun haɗa da ƙarin /- 0.001 juriya & matsakaicin nauyin ƙirar 4.5 lbs.

Da fatan za a adana tushe da adireshin wannan labarin don sake bugawa: Fasahar Cire Kazanta Don Tsarin Ƙarƙwarar Aluminum na Secondary

Minghe Kamfanin 'Yan Wasa Masu Mutu aka sadaukar domin tsirar da samar da inganci da kuma high yi Gyare sassa (karfe mutu simintin sassa Range yafi hada da Thin-Wall Mutu Wasa,Hot Chamber Mutu Wasa,Cold Chamber Mutu Wasa), Zagaye Sabis (Mutuwar 'Yan Wasa,CNC machining,Motsa Motsa, Jiyya na sama) .Adadin al'ada Aluminium ya mutu, magnesium ko Zamak / zinc mutu simintin gyare-gyare da sauran buƙatun simintin maraba don tuntube mu.

Karkashin kulawar ISO9001 da TS 16949, Ana aiwatar da dukkan matakai ta hanyar daruruwan injunan jefa simintin da suka mutu, injunan axis 5, da sauran kayan aiki, tun daga masu fashewa zuwa na’urar Ultra Sonic masu wanki.Minghe ba kawai tana da kayan aiki na zamani ba amma kuma tana da kwararru ƙungiyar ƙwararrun injiniyoyi, masu aiki da sufetoci don tabbatar da ƙirar abokin ciniki ta zama gaskiya.

Manufactureran kwangilar masana'antar mutu. Abubuwan haɓakawa sun haɗa da sassan sanyi na sassan mutuɗar aluminum daga 0.15 lbs. zuwa 6 lbs., saurin canje-canje da aka saita, da aikin inji. Sabis-ƙarin ayyuka sun haɗa da gogewa, faɗakarwa, lalatawa, fashewar harbi, zane, zane, rufi, haɗuwa, da kayan aiki. Abubuwan da aka yi aiki tare sun haɗa da allo irin su 360, 380, 383, da 413.

Zinc ya mutu don jefa ƙirar ƙira / sabis na injiniya tare. Custom manufacturer na daidaici tutiya mutu simintin gyaran kafa. Castananan 'yan simintin gyare-gyare, pressurean ƙwanƙwasa masu juzu'in juzu'in simintin gyare-gyaren juzu'ai, ƙera simintin gyare-gyare na al'ada, ɓangaren mutu da' yan wasa masu mutuwa masu zaman kansu da ƙofar da aka hatimce za a iya ƙera su. Za'a iya kerarrar 'yan simintin a tsayi da faɗi har zuwa 24 a ciki. A cikin +/- 0.0005 a cikin. Haƙuri.  

ISO 9001: 2015 bokan masana'anta ta mutu magnesium, Abubuwan haɓaka sun haɗa da matsin lamba na magnesium mai matsi mai yawa har zuwa tan 200 mai ɗumi mai zafi & 3000 ton mai sanyi, ƙirar kayan aiki, gogewa, gyare-gyaren, inji, foda & zanen ruwa, cikakken QA tare da damar CMM , taro, marufi & isarwa.

ITAF16949 bokan. Servicearin Sabis ɗin Gyare Hadawa zuba jari,yashi,Kushin nauyi, Stauren ɓoye ɓoye,Siffar Centrifugal,Cast Vacuum,Dindindin Mould Gyare, .Hanyoyin iyawa sun hada da EDI, taimakon injiniya, ingantaccen samfuri da aiki na sakandare.

Fitar Masana'antu Abubuwan Nazarin sassa don: Motoci, Bikes, Jirgin sama, kayan kiɗa, Jirgin ruwa, Na'urorin hangen nesa, na'urori masu auna sigina, na'urori masu auna sigina, Na'urori, Kayan lantarki, ,unshi, Clocks, Inji, Injiniya, Kayan Kaya, Kayan Jiki, Jigs, Telecom, Haske, Kayan aikin likita, Na'urar daukar hoto, Robobi, Sassaka, kayan sauti, kayan wasanni, Kayan aiki, Kayan wasa da ƙari. 

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By Minghe Mutu Wasa Wasa | Categories: Labarai masu Taimakawa |Material Tags: Gyare Aluminum, Zinc Gyare, Fitar Magnesium, Castan Wasanni, Bakin Karfe Cast, Fitar tagulla,Gyare Tagulla,Fitar Bidiyo,Tarihin Kamfanin,Aluminum Mutu Gyare | Comments Off