English
Tukunyar EAF Slag | Wutar Lantarki Mai Layi Na Musamman Don Yin Karfe Mai Ƙarfi Mai Tsanani - Womic Steel Hoton da Aka Fito
  • Tukunyar EAF Slag | Wutar Lantarki Mai Layi Na Musamman Don Yin Karfe Mai Tsanani - Womic Steel

Tukunyar EAF Slag | Wutar Lantarki Mai Layi Na Musamman Don Yin Karfe Mai Tsanani - Womic Steel

Takaitaccen Bayani:

Girman Tukunyar Slag:Ƙarfin tan 15 - 80 (an inganta shi don girman rukunin EAF), nauyi tan 20 - 70, girma 10 - 45 m³, girma da aka keɓance ga kowane bututun tanderu da kuma sharewar crane. Trunnion: Babban ƙarfi 34CrNiMo6 tare da radius mai ƙarfi na fillet don ɗaukar nauyi.

Kayan Aiki & Ma'auni:An gyara ZG270-500 (An yi amfani da ƙananan alloyed na Nb-V), GS-20Mn5, ASTM A27 65-35 maganin zafi na musamman. Ya yi daidai da ASTM A27, DIN 17182, EN 10293. Maganin zafi: An kashe + An rage zafi tare da sanyaya cikin sauri don tsarin hatsi mai laushi. Fuskar: kwano na ciki tare da gangara biyu (8° + 12°) don sakin tarkacen da ke mannewa, harsashi na waje tare da rufin yumbu-epoxy mai layuka da yawa.

Tsarin Masana'antu:Haɗin siminti ɗaya tare da ingantaccen tsarin gudu don zagayowar aikin EAF. EAF + LF + VD + kumfa argon (S≤0.012%, P≤0.015%). Kwaikwayon zagayowar zafi na CAE - gwaje-gwajen kama-da-wane zagaye 1,000. 100% NDT: Tsarin Array UT mai tsari akan cikakken girma, ACFM akan radii gauraya na trunnion, MT akan duk saman as-cast.

Amfani da Tukunyar Slag:Na'urorin AC/DC EAF masu ƙarfi sosai (60-180t), ƙarfe mai narkewa, narkewar ƙarfe/DRI na bakin ƙarfe, na'urorin EAF na bakin ƙarfe, tanderun ƙarfe masu ƙarfe masu ƙarfe, tanderun ƙarfe masu ƙarfe, da kuma riƙe slag na tanderun ladle.

Karfe Mai Kyauyana ƙera tukwane na musamman na EAF waɗanda ke jure wa tsatsa1,650°C + zagayowar bugun kowace rana (zafi 12-20 a kowace rana)tare da juriya mai kyau ga gajiyar zafi, mannewa a kan slag, da cin zarafin injina. Bayanin ciki namu mai lasisi yana rage daskarewa da kashi 40%. An keɓance shi don kowane nau'in EAF - Danieli, SMS, Primetals, Tenova. ISO 9001, PED, AD2000 an ba da takardar shaidar. Nemi kwaikwayon aikin tukunyar slag na EAF yanzu.


Bayanin Samfura

Cikakken Bayani game da Samfurin

Alamun Samfura

Bayanin Samfura - Kalubalen EAF Slag Pot

An Tukunyar EAF mai laushi(ko kumaladle ɗin murhu na lantarki) ba wai kawai ƙaramin sigar tukunya ce ta canza BOF ba. Yana aiki a ƙarƙashin wani tsari daban na abubuwan damuwa wanda ya sa ya zama ɗaya daga cikin abubuwan da ake buƙata a cikin injin niƙa na ƙarfe.

Tanderun lantarki suna samar da tarkace a cikin rukuni-rukuni kowane lokaciMinti 45–90- sau da yawa yana zafi sau 12 zuwa 20 a rana. Kowace zagaye ta ƙunshi:

1. Cikowada narkakken tarkace a zafin 1,600–1,700°C (gami da ɗigon ƙarfe)

2. Riƙewayayin da ake jigilar tukunya a kan benaye marasa daidaito

3. Zubar da kayata hanyar karkatar da crane, wani lokacin tare da tasiri akan gefen ramin slag

4. Sanyaya iskazuwa ƙasa da 300°C kafin cikawa na gaba - yana haifar da matsanancin zafigirgizar zafi

5. Ba kamar tukwanen BOF da ake samu a kowane aiki ba, tukwanen EAF za a iya yi musudumama da sanyaya cikin sauri har sau 20 a ranaWannan zagayowar zafi mai yawan mita yana haifar dafashewar gajiya mai zafi- yanayin gazawa #1 don tukwanen EAF na slag.

Bugu da ƙari, sinadaran slag na EAF ya bambanta sosai dangane da ingancin tarkace, ƙarin ƙarfe, da kuma yadda ake tacewa. Slag na iya zama mai sauƙi sosai** (CaO mai yawa, mai mannewa) komai tsami(mai yawan SiO₂, ruwa). Kowannensu yana buƙatar yanayin ciki da amsawar abu daban-daban.

Kamfanin Womic Steel ya haɓakaTukwanen slag da aka inganta na EAFwanda ke magance matsaloli guda uku na musamman:

●Fashewar gajiya mai zafi- an warware ta hanyar ƙarfe mai kyau + maganin zafi mai sanyaya mai sarrafawa

●Daskarewar Slag- an warware ta ta hanyar kwane-kwane na ciki mai gangara biyu da kuma murfin hana mannewa

●Lalacewar injina a zubar da shara- an warware shi ta hanyar ƙarfafa rim da siffar ɗaukar tasiri

EAF Slag Pot Electric Arc Furnace Ladle na musamman don yin ƙarfe mai ƙarfi - Womic Steel

Me Yasa Za Ku Zabi Womic Steel Don Tukunyar EAF ɗinku?

Fasali Amfanin Musamman na EAF
Karfe Mai Ƙarfi Nb-V Ƙananan adadin niobium da vanadium fil grain shafts, yana jinkirta fara fashewa na zafi. An tabbatar da ƙara yawan zagayowar zuwa gazawar da kashi 70% idan aka kwatanta da ƙarfe na yau da kullun.
Ƙara Kashewa + Mai Tsauri Bayan an yi amfani da iska mai ƙarfi (ba har yanzu iska ba) yana haifar da tsarin pearlite+bainite mafi kyau - wanda ya fi ƙarfin juriya ga girgizar zafi.
Kwano na Ciki Mai Juyawa Biyu Gangarar sama 12°, gangara ta ƙasa 8°, tare da yankin lebur mai tsayi 150mm a tsaye a wurin taɓawa. Lokacin sakin slag ya ragu da kashi 40% a gwaje-gwajen filin.
** Rufin Yumbu Mai Hana Mannewa (Ciki)** Rufin aluminum-silicate mai sassa biyu, wanda aka yi da kauri mm 3, yana tsayayya da mannewa na asali. Tazarar sake amfani da shi ya wuce watanni 12.
Zaɓin Trunnion da aka ƙirƙira Ga tukwane sama da tan 50, za mu iya samar da trunnions daban-daban da aka ƙirƙira da kuma waɗanda aka haɗa (an kulle su ta hanyar injina + walda mai shiga gaba ɗaya) don tsawon lokacin gajiya.
FEA mai ƙarfi tare da Lodawa Duba Zafi Muna kwaikwayon zagaye 1,000 na 800°C ΔT (zafafawa 300°C→1,600°C, sanyaya 1,600°C→300°C) don tabbatar da cewa babu fashewar da ta fara. An haɗa da rahoto.
Tsarin Faɗaɗawar Zafi Mai Ƙaranci Ingantaccen kauri na bango yana rage matsin lamba a yankin gefen sama - wurin da aka fi yawan fasawa.
Tsarin Musamman na EAF Make Mun keɓance siffar gefen sama na tukunyar don ta dace da buɗe ƙofar murhu da kuma yanayin matsewar bututun - babu feshewa ko zubewa.

Muna kuma bayar daShirin duba tukwanen slag– muna horar da ma'aikatan ku don yin aikin UT a cikin sabis, kuma muna maye gurbin tukwane a kan zagayowar da aka tsara, tare da rage lokacin hutun da ba a shirya ba.

Bayanan Fasaha - Tukunyar Slag da aka Inganta ta EAF

Shawarar Ƙarfin Aiki don Girman EAF na gama gari

Ƙarfin EAF (tan) Ƙarar slag a kowace zafi (tan) Ƙarfin Tukunya da Aka Ba da Shawara (ton) Nauyin Tukunya (tan) Kewaye na Yau da Kullum (na yau da kullun)
60 12–18 15–20 12–18 15–20
80 16–24 20–30 18–26 15–20
100 20–30 30–40 26–36 12–18
120 25–35 40–50 36–46 12–15
150 30–45 50–65 46–60 10–15
180 40–55 65–80 60–75 8–12

Ya kamata girman tukunya ya zama 1.2–1.5× girman tarkacen don ba da damar kumfa ya fito ba tare da ya cika ba.

Maki na Kayan Aiki na Musamman na EAF

Matsayi Tsarin ƙananan halittu Juriyar Gajiya Mai Zafi Mafi kyau ga
An Gyara ZG270-500 (Nb 0.03%, V 0.05%) Ferrite/pearlite mai laushi +++ Babban EAF, mai sauƙin amfani
GS-20Mn5 (1.1120) Martensite mai zafi + bainite ++++ Babban ƙarfin EAF tare da zagayowar da yawa/rana
ASTM A27 65-35 MOD (tare da Cu+Ni) Martensite mai kauri da zafi ++++ Bakin ƙarfe EAF (lalacewar da ke lalata ƙarfe)
1.6220 (16MnCr5) Akwatin da aka yi da carbureted + core mai tauri +++++ Babban sabis > Kekuna 20/rana

Shawararmu:Ga yawancin aikace-aikacen EAF,GS-20Mn5 + an kashe shi kuma an daidaita shiyana samar da mafi kyawun daidaito na farashi, juriya ga gajiyar zafi, da kuma gyarawa.

Siffofin Girma na Musamman na EAF

Fasali Bukatar EAF Tsarin Karfe na Womic
Tsawon Babba na Babba Dole ne ya zama ƙasa da zai iya shiga ƙarƙashin ƙofar tarkace amma ya yi tsayi sosai don hana fashewa Gefen gaba mai faɗi (gefen taɓawa) ya fi gefen baya girma 100mm
Kusurwar karkatar da Trunnion Juyawar 45° don cikakken ɓatarwa Tsarin Trunnion mai kauri 50mm zuwa ga lebe mai zubar da ruwa - yana fitar da ruwa kai tsaye
Siffar Ƙasa Mai siffar ƙwallo don mannewar EAF Mazugi mai kusurwa 120° tare da radius 50mm a ƙarshen - yana kawar da diddige mai rauni
Ɗaga Lugs Ƙarin wuraren ɗagawa don gyarawa Layuka huɗu masu haɗaka don maƙallan madauri
Ramin Magudanar Ruwa (zaɓi ne) Don zubar da ragowar ruwa kafin a gama tarawa gaba ɗaya Diamita 50mm tare da toshe mai zare, wanda yake a mafi ƙasƙanci wuri

Bayanan Gwajin Gajiya Mai Zafi (An Kwaikwayi)

Sigogi darajar
Matsayin gwaji Na ciki na Womic (bisa ga ASTM E606)
ΔT a kowace zagaye 1,300°C (300°C → 1,600°C → 300°C)
Lokacin riƙewa a mafi girman zafin jiki Minti 10
Hanyar sanyaya Iska mai ƙarfi (wanda ke kwaikwayon yanayin bene na ainihi)
Kekuna zuwa fashewar 1mm (ƙarfe na yau da kullun) ~ Zagaye 1,500
Kekuna zuwa tsagewar 1mm (Matsayin EAF na Womic) ~ Zagaye 3,200
Ingantawa +113%
Tukunyar Slag mai nauyin tan 20-50 mai matsakaicin ƙarfin Slag don yin ƙarfe na EAF da LF - Womic Steel

Kula da Ingancin Tukunyar EAF Slag - Tabbatar da Tsarin Keke na Zafi

Bayan daidaitattun NDT, muna aikigwajin zagayowar zafi mai lalacewaakan samfuran farko na labarin. Ana yin ƙaramin takardar gwaji (maganin zafi iri ɗaya) a cikin sauri a cikin tanderun dakin gwaje-gwajenmu. Ana auna tsagewar ta hanyar shigar da rini a kowane zagaye 500. Ana ƙare gwajin lokacin da tsawon tsagewar ya wuce 3mm. Ana yin rikodin adadin zagayowar da aka cimma kuma an tabbatar da cewa zai cika mafi ƙarancin buƙatunku (yawanci zagaye 2,500).

Ƙarin bincike na musamman na EAF:

Taswirar ultrasonic ta kauri bango- muna samar da taswirar kauri mai launi na dukkan tukunyar, wanda ke nuna duk wani yanki da ba a ƙayyade ba.

Binciken radius na tushen Trunnion- ta amfani da ma'aunin kwane-kwane na musamman, muna tabbatar da radius = minti 50mm.

Daidaiton gefen- bayan an yi amfani da zafi, muna auna faɗin gefen; karkacewar ≤5mm yana tabbatar da dacewa da ƙofar slag.

01 Tukunyar Slag mai nauyin tan 20-50 mai matsakaicin ƙarfin Slag don yin ƙarfe na EAF da LF - Womic Steel

Tsarin Masana'antu - Simintin Zagaye na Aikin EAF

1. Injiniyan Musamman- Muna nazarin EAF ɗinku: yi, hanyar taɓawa, tushen slag, zagayowar kowace rana, ƙarfin crane, da tsarin bene.

2. Kwaikwayon Zagayen Zafi na FEA- Zagaye 1,000 na kama-da-wane suna gano wuraren zafi; muna ƙara haƙarƙari ko canza kauri daidai gwargwado.

3. Tsarin da ke da Bayanin EAF– Har da gefen gaba da aka ɗaga da kuma matsayin trunnion mara daidaituwa.

4. Karfe Mai Tsabta Mai Tsabta– EAF + LF + VD + iskar gas mai ruɓewa. Target S<0.012%, P<0.015%, H<2ppm.

5. Jerin 'Yan Wasa Guda Ɗaya– Tukunya mai hade da trunnions (ko raba trunnions ɗin da aka ƙirƙira fiye da tan 50).

6. Ƙarfafawa Mai Sarrafawa- Yin amfani da masu tayar da zafi na waje kawai a kan sassa masu kauri; yana sanyi kusa da mahadar trunnion don guje wa raguwa.

7. Maganin Zafi– An kashe (iska mai ƙarfi) + Tsarin zafin jiki → kyakkyawan tsarin bainitic.

8. Farkon UT & MT– Ki ƙi duk wani tukunya mai lahani na layi fiye da 2mm.

9. Kwano na Ciki na Inji- Injin CNC na tsarin gangara biyu.

10.A shafa Rufin hana mannewa– Layuka biyu na yumbu, jimillar DFT 2.5–3.0mm, an warke a zafin 350°C.

11.Ƙarshen NDT (Matsakaicin Jerin UT)– Mayar da hankali kan yankunan sauyawa.

12.Gwajin Load (zaɓi ne)- Tare da shaida, ta amfani da ƙwayar kaya mai daidaitawa a ƙarfin 1.25 ×.

Tukunyar 02 Tan 20-50 Mai Ƙarfin Ladle Mai Ƙarfin Layi Mai Matsakaici Don Yin Karfe na EAF & LF – Womic Steel

Marufi & Jigilar kaya don Tukwanen EAF Slag

Tukwanen EAF galibi suna ƙanƙanta fiye da tukwanen BOF amma ana kawo su da adadi mai yawa. Muna bayarwa:

●Tsarin da za a iya tarawa– tare da na'urorin raba katako, har zuwa tukwane 3 za a iya tara su a cikin akwati ɗaya mai tsawon ƙafa 40 (yana rage farashin jigilar kaya).

●Rumbunan ƙarfe na musamman- don jigilar kaya da yawa, ana iya sake amfani da su.

●Lokacin gabatarwa don labarin farko- makonni 16 (ya haɗa da gwaji da gwaji na tabbatarwa).

●Lokacin samar da tsari– Makonni 8-10 don ƙarin raka'a.

Tukunyar 03 Tan 20-50 Mai Ƙarfin Ladle Mai Ƙarfin Layi Mai Matsakaici Don Yin Karfe na EAF & LF – Womic Steel
04 Tukunyar Slag mai nauyin tan 20-50 mai matsakaicin ƙarfin Slag don yin ƙarfe na EAF da LF - Womic Steel

Nazarin Shari'o'i Masu Mayar da Hankali ga EAF

Shari'a ta 1: 80t EAF, Mini-Niƙa ta Mexico – Kawar da Gajiya Mai Zafi

Matsala:Tukwanen da suka gabata sun ɗauki watanni 9 (kimanin zagaye 4,500) sannan suka sami tsagewar radial a gefen.
Mafita:Womic ta samar da tukwane na GS-20Mn5 masu tsarin da aka kashe da kuma mai laushi, siffar ciki mai gangara biyu, da kuma rufin da ba ya mannewa.
Sakamako:Bayan watanni 14 (zagaye 7,200), babu tsagewar da ake gani. An yi oda ta biyu don tukwane 12.

 

Case 2: 150t DC EAF, Injin Niƙa Bakin Koriya ta Kudu – Slag mai laushi sosai

Matsala:Babban tarkacen Cr2O3 ya ci ta cikin tukwane na gargajiya cikin watanni 6.
Mafita:ASTM A27 65-35 mai ƙarfe na musamman tare da ƙarin Cu (0.5%) da Ni (1.0%), tare da murfin yumbu a saman ciki gaba ɗaya.
Sakamako:Tsawon lokacin sabis ya kai watanni 18 - 3x a baya. Tukwane masu rufi kuma sun rage lokacin daskarewar slag da kashi 50%.

 

Lamarin 3: 60t EAF, Kamfanin Gina Kaya na Indiya - Ana yawan amfani da shi (zafi sama da 20 a rana)

Matsala:Tukwane sun fashe cikin watanni 3 saboda rashin isasshen lokacin sanyaya tsakanin zagaye.
Mafita:An sake tsara tukunya mai sassaka bango (40mm vs 60mm) tare da haƙarƙarin sanyaya waje don hanzarta watsa zafi. An kuma ƙara shawarar tashar sanyaya iska mai ƙarfi.
Sakamako:An jinkirta fashewar zuwa watanni 10. Ƙananan nauyin tukunya kuma ya rage lalacewa da tsagewar crane.

Tukunyar 05 Tan 20-50 Mai Ƙarfin Ladle Mai Ƙarfi Don Yin Karfe na EAF & LF – Womic Steel

Aikace-aikace - Inda Tukwanen EAF Slag Suke da Muhimmanci

●Shagunan EAF na ƙarfe na carbon(kayayyaki masu tsayi, flats)

●Narkewar EAF na bakin karfe(ƙarar da ke lalata sosai)

●Tanderun ƙarfe na ƙarfe da kayan aiki na ƙarfe

●Tanderun ƙarfe na ma'adinai(simintin ƙarfe da ƙarfe)

●Baƙin soso / ƙarfe mai tushen DRI(ƙarfin FeO2 mai yawa)

●Cibiyoyin sake amfani da ƙura na EAF(dawo da zinc daga ƙurar EAF)

Tambayoyin da Ake Yawan Yi (Tambayoyin da Ake Yawan Yi) - Takamaiman EAF

T: Ta yaya zan san idan EAF dina yana buƙatar tukunya ta musamman ta slag?
A: Idan kana yin zafi sama da sau 10 a rana ko kuma kana fuskantar tsagewa cikin watanni 12 a kan tukwane na yau da kullun, kana buƙatar ƙirar da EAF ta inganta. Haka kuma, idan ka lura da tsagewa yana mannewa da yawa ko kuma kana buƙatar karyewa da hannu, bayanin martabar mu na hana mannewa zai taimaka.

T: Zan iya amfani da tukunya ɗaya ta slag don BOF da EAF?
A: Ba a ba da shawarar ba - An tsara tukwanen EAF don yin sauri da hawa, bangon da ya yi siriri, da kuma nau'ikan abubuwan da ke mannewa. Amfani da tukwanen BOF a cikin EAF yana haifar da fashewa da wuri; amfani da tukwanen EAF a cikin BOF na iya zafi da su sosai. Kullum a yi amfani da tukwanen da aka keɓe.

T: Shin kuna bayar da shirye-shiryen kuɗi ko musayar wiwi?
A: Eh - muna da tukunyar slag a matsayin samfurin sabis: kuna biyan kowace tan ta ƙarfe da aka ƙera, kuma mu ne muke da ita kuma muke kula da ita. Mafi ƙarancin shekaru 5 na alƙawari. Tambayi ƙarin bayani.

T: Menene tsawon rayuwar rufin hana mannewa na yau da kullun?
A: A ƙarƙashin ayyukan EAF na yau da kullun (ƙarancin slag, zagaye 15/rana), rufin yana ɗaukar watanni 9-12. Ana iya sake yin rufi a cikin masana'antar ku ta hanyar ƙwararrunmu (ko kuma muna samar da kayan shafa). Kudin maye gurbin rufi shine ~15% na sabon farashin tukunya.

T: Ta yaya za ku magance matsalar maye gurbin gaggawa idan tukunya ta lalace ba zato ba tsammani?
A: Muna ajiye ƙaramin kayan ajiya (tukwane 2-4) na girman EAF na yau da kullun a cikin rumbun ajiyar mu. Ga abokan ciniki waɗanda ke da kwangilar sabis, muna jigilar kaya ta iska cikin awanni 72.

T: Za ku iya ƙara na'urori masu auna zafin jiki a cikin tukunya?
A: Eh - za mu iya shigar da aljihunan thermocouple (har zuwa wurare 4) tare da murfin Inconel. Ana iya haɗa na'urori masu auna firikwensin zuwa na'urar saka idanu mai ɗaukuwa ko kuma a haɗa su da injin ku na DCS.

T: Menene buƙatar gama saman don mannewa na EAF slag?
A: Dole ne a yi amfani da kwano na ciki zuwa Ra ≤ 6.3 μm. Fuskokin da aka yi da siminti suna ƙara mannewa. Tsarin mu mai gangara biyu tare da injinan da aka yi da kyau yana rage mannewa sosai.

T: Ta yaya zan tsaftace tukunyar datti idan datti ya daskare a ciki?
A: Kada a taɓa amfani da hammer na inji kai tsaye a kan bangon tukunya - wanda hakan ke haifar da tsagewa. Madadin haka, yi amfani da lansing na iskar oxygen don yanke hanyar shiga, sannan a dumama tukunya daidai gwargwado. Rufinmu na hana mannewa yana rage daskarewa.

Shin kuna shirye don inganta sarrafa EAF Slag?

Tuntuɓi Womic Steel donkimanta gajiyar zafi kyautana tukwanen da kuke da su a yanzu - za mu ba da shawarar canje-canjen ƙira da kuma hasashen yiwuwar tsawaita tsawon rayuwar sabis.

Yanar Gizo: www.womicsteel.com
Imel: sales@womicsteel.com | eaf@womicsteel.com
Waya/WhatsApp/WeChat:

Victor: +86 15575100681

Jack: +86 18390957568

Womic Steel – An ƙera shi don ƙarfin aiki na yin ƙarfe a cikin tanderun lantarki.

  • Na baya:
  • Na gaba:

    • Kayayyaki Masu Alaƙa

    Yi Tambaya Yanzu