Teeb meem Foundries Face
Koj ntxivferro silicon inoculantrau koj cov ductile hlau yaj los tswj graphite zoo thiab tiv thaiv carbides. Tab sis tsis yog txhua lub hnabferro siliconmuab cov txiaj ntsig zoo ib yam.
Ib lub ncuav muab rau koj zoo nodularity. Cov ncuav tom ntej no qhia tau tias txias. Shrinkage tshwm inconsistently. Koj kho koj tus nqi ntxiv, tab sis cov hauv paus ntsiab lus tseem tsis meej.
Qhov teeb meem feem ntau tsis yog tus nqi ntawmferro siliconkoj ntxiv. Nws yog tussib xwsntawmferro siliconkoj ntxiv.
Tau txais ib qho kev daws teeb meem
Dab tsi cuam tshuam rau Inoculation Performance hauv Cov Hlau Hlau
Inoculation kev vam meej tuaj mus rau tsib yam:
| Qhov xwm txheej | Kev cuam tshuam rau Casting Quality |
|---|---|
| Particle loj faib | Zoo heev → ploj zuj zus. Coarse → dissolves lig los yog tsis kiag li. |
| Chemistry sib xws | Kev hloov pauv hauv Al, Ca, lossis lub ntiaj teb tsis tshua muaj hloov pauv tus cwj pwm nucleation. |
| Anti-nodularizing ntsiab | Ti, As, Pb, Bi - txawm nyob rau qib kab - mob nodularity. |
| Cia thiab oxidation | Oxidized nto txhais tau tias tsis tshua muaj zog inoculation. |
| Ntxiv sijhawm | Late add vs. ladle vs. in -pwm - sib txawv. |
Feem ntau tus qauv ferro silicon yog tsim los ua ib qho kev sib ntxiv alloy, tsis yog qhov zoo tshaj plawsductile hlau inoculant.
Dab tsi ua rau siab -Kev Ua Haujlwm Tsis Zoo rau Cov Hlau Hlau
Ib tug zoo inoculant tsis yog ferro silicon nrog ib daim ntawv lo. Nws yog tsim tshwj xeeb rau ductile hlau castings:
| Feature | Cov txiaj ntsig zoo rau Cov Hlau Hlau |
|---|---|
| Qhov loj me me | Dissolves ntawm tib tus nqi batch tom qab batch. Predictable ploj. |
| Tswj Al thiab Ca | Txhawb nqa nucleation yam tsis muaj qhov nce dross lossis pinholes. |
| Tsawg anti-nodularizing ntsiab | Tiv thaiv nodularity txawm nyob rau hauv qis ntxiv tus nqi. |
| Kev tsim khoom tshiab | Tsawg oxidation, siab tshaj plaws active inoculation. |
| Batch-rau-batch sib xws | Ib qho kev sib txawv tsawg dua hauv koj cov txheej txheem tswj. |
Qhov tshwm sim tsis yog ib lub hnab pheej yig dua ntawm inoculant. Nws yogtsawg rejection, tsawg shrinkage, thiab ruaj khov nodularity- cua sov tom qab cua sov.
Hom Inoculation Sib piv
| Hom Inoculant | Hom Kev Ua Haujlwm |
|---|---|
| Standard ferro silicon (wide sizing, sib txawv chemistry) | Inconsistent nodularity, qee zaus txias, unpredictable shrinkage |
| Siab -kev ua tau zoo ductile hlau inoculant (tswj sizing, ruaj khov chemistry) | Kev ruaj khov nodularity (Ntau dua lossis sib npaug ntawm 85%), txo qis chilling dawb, kev tswj xyuas kom zoo |
Rau qhov chaw tsim khoom siv ntau qhov cua sov hauv ib hnub, qhov sib txawv qhia ncaj qha rau hauv kojscrap tus nqi thiab rework nqi.
Kev xaiv loj rau Cov Hlau Hlau Inoculation
| Loj | Zoo tshaj rau | Hom Kev Ntxiv Ntxiv |
|---|---|---|
| 0.2-0.8 hli | Late inoculation, zoo tswj | Kwj los yog pwm |
| 0.2-1.0 hli | General ductile hlau inoculation | Ladle los yog kwj |
| 0.5-1.5 hli | Loj dua castings, qeeb solidification | Ladle |
| 1-3 hli | Heavy seem castings | Rauv los yog ladle |
| Qhov ntau thiab tsawg | Tshwj xeeb pwm tsim | Hauv -pwm lossis core |
Qhov loj me yog nyob ntawm koj qhov hnyav casting, seem thickness, thiab inoculation txoj kev.
Chemistry (Ib yam rau Ductile Iron Inoculant)
| Element | Hom kab mob | Vim Li Cas Nws Tseem Ceeb |
|---|---|---|
| Si | 70-75% | Base cab kuj |
| Al | 0.5-1.2% | Txhawb nqa nucleation, tab sis ntau dhau ua rau pinholes |
| Ca | 0.5-1.5% | Tswj fade rate |
| Rare Earths (yog muaj) | 0.5-2.0% | Rau ntu hnyav lossis siab - kev xav tau purity |
| Ti | Tsawg dua lossis sib npaug li 0.05% | Anti-nodularizing - kom qis |
| Lwm yam tramp element | Tsawg npaum li qhov ua tau | Txhua tus mob nodularity |
Tighter chemistry thiab kev cai tsawg hauv ntiaj teb qib muaj rau cov kev xav tau tshwj xeeb.
Hais txog koj tus neeg muab khoom
ZhenAntau muab ferro silicon rau EAF steelmakers rau30+ xyoo. Peb nyob hauv Anyang, Tuam Tshoj, ze rau thaj chaw tsim khoom loj, nrog kev xa ncaj qha mus rau Qingdao, Tianjin, thiab Shanghai chaw nres nkoj.
Peb ua dab tsi txawv rau inoculant ntau lawm:
- Dedicated tshuaj ntsuam kab- Cov qhov me me me me, tsis yog "cov nplua raug tshem tawm" xwb
- Kev tsim tawm tshiab tshiab- Lub sijhawm khoom lag luam tsawg tsawg, oxidation tsawg
- Batch chemistry taug qab- Txhua qhov khoom xa tuaj hauv koj qhov kev txwv tshwj xeeb
- Thib peb-kev soj ntsuam tog- SGS lossis zoo sib xws muaj nyob rau ntawm kev thov
- Me me batch muaj peev xwm- Kev sim ntau muaj rau cov neeg siv khoom tshiab
Dab tsi Txog Nqe?
Ductile hlau inoculant tsis yog khoom muag. Lub hnab pheej yig tshaj yog tsis tshua kim tshaj ib qho siv.
Yog hais tias tus qauv inoculant muab rau koj 2% seem thiab siab -kev ua tau zoo inoculant muab 1% seem rau koj 1,000-tuj txhua hli ntau lawm, lej yog qhov yooj yim: qhov inoculant zoo dua them rau nws tus kheej ntau zaus.
Txhawm rau kom tau txais tus nqi tam sim no rau ferro silicon inoculant raws li koj qhov kev lag luam hlau ductile:
Tiv tauj peb nrog koj:
- Lub hom phiaj loj ntau yam
- Txhua hli los yog sim kom muaj nuj nqis
- Casting hom (automotive, yeeb nkab, general engineering)
- Txhua yam kev xav tau ntawm chemistry (aluminium, calcium, tsawg earths)
- Chaw nres nkoj qhov chaw (rau CIF)
Email:sale@zanewmetal.com
Lub Vev Xaib:www.za-refractory.com
Tau txais Daim Ntawv Tso Cai Tam Sim No
Peb cov khoom Ferro Silicon
Cov neeg tseem nug
1. Dab tsi yog ferrosilicon inoculant siv rau?
Ferrosilicon inoculant yog ntxiv rau molten ductile hlau los txhawb graphite nucleation, tiv thaiv carbides (chij), thiab txhim kho nodularity. Ferrosilicon (feem ntau 70-75% Si) ua haujlwm rau cov khoom siv xws li calcium, barium, lossis strontium uas txhim kho kev ua haujlwm ntawm inoculation.
2. Qhov txawv ntawm ferrosilicon inoculant thiab nodularizer yog dab tsi?
Nodularizer (feem ntau ferrosilicon magnesium los yog FeSiMg) ntxiv magnesium los hloov graphite rau hauv daim ntawv kheej kheej. Ferrosilicon inoculant ntxiv tom qab nodularization los muab cov chaw nucleation rau graphite nag lossis daus thiab tiv thaiv carbide tsim. Ob qho tib si yog qhov tseem ceeb rau kev tsim cov hlau ductile.
3. Yuav ua li cas ferrosilicon inoculation cuam tshuam rau ductile hlau nodularity?
Ferrosilicon inoculation nce graphite nodule suav los ntawm kev muab cov chaw nucleation heterogeneous. Cov nodule suav ntau dua ua rau cov khoom siv kho tshuab zoo dua, txo qis, thiab txhim kho machinability. Kev tsim nyog ferrosilicon inoculation tuaj yeem ua tiav nodularity ntawm 85% lossis siab dua.
4. Dab tsi ua rau inoculation ploj hauv kev kho ferrosilicon?
Inoculation ploj tshwm sim thaum qhov chaw nucleation ploj zuj zus thaum lub sij hawm ntawm ferrosilicon ntxiv thiab solidification. Cov yam ntxwv muaj xws li qhov kub thiab txias, lub sijhawm tuav ntev, thiab cov khoom siv ntau dhau xws li titanium lossis txhuas. Barium-muaj ferrosilicon inoculants muab kev tiv thaiv ntev dua.
5. Dab tsi yog qhov zoo tshaj plaws ferrosilicon inoculant rau ductile hlau?
Tsis muaj ib qho "zoo tshaj" ferrosilicon inoculant. Kev xaiv nyob ntawm qhov loj ntawm qhov loj me, qhov xav tau nodule suav, thiab yuav tsum ploj mus:
Txheem ferrosilicon 75%: Kev siv dav dav, luv luv fade kuj
Ferrosilicon barium (FeSiBa): Ntev ploj tsis kam, zoo tagnrho rau cov ntu hnyav
Ferrosilicon strontium (FeSiSr): Zoo heev rau cov ntu nyias, txo qhov txias
Ferrosilicon zirconium (FeSiZr): Tiv thaiv carbides, txhim kho machinability
6. Ntau dhau ferrosilicon inoculant puas tuaj yeem ua rau muaj teeb meem?
Yog lawm. Tshaj ferrosilicon inoculant tuaj yeem ua rau muaj kev tsim tawm, pinholes, thiab shrinkage porosity. Tshaj -inoculation kuj tseem tuaj yeem nce cov ntsiab lus silicon kawg tshaj qhov tshwj xeeb, cuam tshuam rau hardness thiab machinability. Qhov zoo tshaj plaws ferrosilicon ntxiv tus nqi yog feem ntau 0.5-1.1% rau cov hlau ductile.
7. Yuav ua li cas nce nodule suav siv ferrosilicon inoculant?
Txhawm rau nce nodule suav: siv cov ferrosilicon inoculation zoo, tswj cov qib magnesium kom zoo (0.035-0.045% seem Mg), tswj cov cua txias, siv cov hlau ntshiab uas tsis tshua muaj Ti thiab Pb, thiab xav txog lig los yog kwj inoculation nrog nplua ferrosilicon rau nyias seem.
8. Dab tsi yog qhov muaj pes tsawg leeg ntawm ferrosilicon inoculant?
Hom ferrosilicon inoculant muaj pes tsawg leeg sib txawv los ntawm hom:
Standard ferrosilicon 7574-79%, Ca 0.5-1%, Al 0.8-1.6%
Ferrosilicon barium (FeSiBa)60-65%, Ba 4-6%, Ca 0.8-2.2%
Ferrosilicon zirconium (FeSiZr)60-75%, Zr 1-6%, Ca 1-3%
Qhov sib npaug yog hlau nrog cov kab lus.
9. HS code rau ferrosilicon inoculant yog dab tsi?
Ferrosilicon inoculant feem ntau poob rau hauv HS code72022100- ferrosilicon muaj qhov hnyav ntau dua 55% ntawm silicon. Qhov no yog tib qhov kev faib tawm raws li tus qauv ferrosilicon rau kev siv metallurgical.
10. Cov foundries twg siv cov ferrosilicon inoculant tshaj plaws?
Ductile hlau foundries tsim cov khoom siv tsheb (nres calipers, hubs, knuckles), yeeb nkab fittings, hnyav machinery castings, thiab manhole npog yog loj ferrosilicon inoculant cov neeg siv. Lub ntiaj teb no ductile hlau casting lag luam, uas tau tsav los ntawm automotive thiab infrastructure xav tau, txuas ntxiv mus noj nce ntim ntawm tshwj xeeb ferrosilicon inoculants.
