1. Hauv paus ntawm kev faib
Ferrosilicon yog cais tsuas yog raws li cov hauv qab no:
Silicon Cov Ntsiab Lus: Muab faib ua cov cua (70% ~ 90%), nruab nrab (60% ~ 70%) thiab qis dua-silicon (45% ~ 60%).
Cov Kws Koom Tes Tswj: xws li txhuas, carbon, carbon, phosphorus thiab cov tub ntxhais cov ntsiab lus, uas txiav txim siab txog qib kev coj dawb huv.
Daim ntawv thov: Steelmaking deoxidation, casting grafting, txo cov ntsiab lus magnesium hauv cov hlau thiab lwm yam kev thov sib xws.
2. Cov Qauv Thoob Ntiaj Teb
(1) ISO 5445
Hom Lub Npe: Qhia raws li "Fesi + ntau + Silicon cov ntsiab lus ntau" (piv txwv li, Fesi75 sib raug rau 72% ~ 80% cov ntsiab lus silicon).
Ntsiab lus tseem ceeb:
Qib Silicon (Si) /% Aluminium (al) /% carbon (c) /%
Fesi 90 87} ~ 95 tsawg dua los yog sib npaug rau 1.5 tsawg dua lossis sib npaug 0.1
Fesi 75 72} ~ 80 tsawg dua los yog sib npaug rau 1.5 tsawg dua lossis sib npaug rau 0.2
Fesi 65 65 ~ 72 tsawg dua los yog sib npaug rau 2.0 tsawg dua lossis sib npaug nrog 0.2
Daim Ntawv Thov:Dav dav hlau metallurgical siv, haum rau kev lag luam thoob ntiaj teb.
(2) American Astm A100
Peculiarities:Xav paub ntau ntxiv kev txwv rau impurities (al, c).
Silicon℃(Si) /% Aluminium (al) /% carbon (c) /%
Fesi 75 74} ~ 80 tsawg dua los yog sib npaug nrog 1.0 tsawg dua lossis sib npaug nrog 0.15
Fesi {65 63 ~ 68 tsawg dua lossis sib npaug rau 2.0 tsawg dua lossis sib npaug nrog 0.2
Daim Ntawv Thov:Kev tsim cov hlau zoo thiab cov hlau vov.
(3) European tus qauv en 13835
Yuav tsum muaj ib puag ncig ib puag ncig:Qhia txog cov pa hluav taws kub tsis muaj zog thiab muaj ntau lawm.
Qib Silicon (Si) /% Kev Tiv Thaiv Ib Cheeb Tsam
Fesi 75 72} ~ 80 lub hom phiaj dav (tsis tshua muaj emissions)
Fesi 65 65 ~ 72 Qeb
3. Suav Txheem Suav (GB / T 2272)
Hom Lub Npe: Qhia raws li "FESI + Cov ntsiab lus nruab nrab Silicon nruab nrab" (piv txwv li, Fesi75 muaj 72% ~ 80% silicon).
Ntsiab lus tseem ceeb:
Silicon (si) /% aluminium (al) /% carbon (c) /% phosphorus (P) /% Sulfur (s) /%
Fesi 90 87 ~ 95 tsawg dua los yog sib npaug lossis sib npaug lossis sib npaug los yog sib npaug rau 0.04 tsawg dua los yog sib npaug rau 0.02
Fesi 75 72 ~ 80 tsawg dua los yog sib npaug lossis sib npaug los yog sib npaug los yog sib npaug los yog sib npaug los yog sib npaug rau 0.02
Fesi 45 40 ~ 47 tsawg dua los yog sib npaug rau 2.0 tsawg dua los yog sib npaug los yog sib npaug los yog sib npaug los yog sib npaug rau 0.02
Daim Ntawv Thov:Mas siv rau hauv kev lag luam hauv tsev thiab muaj kev lag luam thiab xa tawm.
4. Kev faib tawm los ntawm Lub Hom Phiaj Tshwj Xeeb
(1) Tsawg Aluminium Ferrosilicon
Cov tsis muaj:Tsawg tsawg dua lossis sib npaug rau 0.5%, Si ntau dua lossis sib npaug 75%.
Daim Ntawv Thov:Txo ntawm cov hlau metallic magnesium (Pidgeon cov txheej txheem) kom tsis txhob txhuam kev sib kis tau ntawm cov purity ntawm magnesium.
(2) kev coj siab tawv ferrosilicon (siab - purity fesi)
Cov tsis muaj:Si ntau dua los yog sib npaug rau 90%, tag nrho cov nyiaj ntawm impurities<1%.
Daim Ntawv Thov:Cov ntaub ntawv zoo xws li cov hlau hluav taws xob thiab qib zirconium alloys.
(3) ferrosilicon rau foundry
Cov tsis muaj:Al 1% ~ 3%, SI 65%% ~ 75%.
Daim Ntawv Thov:Txhawb nqa cov graphitization ntawm cam khwb cia hlau (piv txwv, Mallable cam khwb cia hlau).
5. Kev tiv thaiv ib puag ncig thiab cov qauv kev nyab xeeb
Tuam Tshoj txoj cai "Ob txoj cai: Txwv tsis pub siv cov hluav taws xob me me qhov cub (<25 000 кВА) и способствует производству чистой энергии.
EU ncav cuag cov cai: Txwv kev txwv kev tawm ntawm cov hlau hnyav (PB, CD) thiab hmoov av.
Kev ruaj ntseg kev ruaj ntseg: Nom noo-resistant ntim uas ua rau ua raws thoob ntiaj teb Maritime txaus ntshai cov khoom lag luam (IMDG code) yuav tsum muaj.
6. Kev sib piv ntawm cov qauv hauv cov tebchaws tseem ceeb - cov tuam ntxhab
Lub Tebchaws / Txheem Leeg Cov Lus Silicon Cov Ntsiab Lus (%) Kev Tiv Thaiv Hluav Taws Xob ntawm Daim Ntawv Thov
Tuam Tshoj (GB)Fesi 75 72 ~ 80 al, c, p, s statmaking, casting
Tebchaws Asmeskas (ASTM)Fesi 75 74} ~ 80 ib tsawg dua lossis sib npaug ntawm 1.0%, c tsawg dua lossis sib npaug ntawm 0.15% zoo qauv steel qib
Sab sawvFesi75-la 75 ~ 80 ib tsawg dua los yog sib npaug rau 0.3%, qis dua cov ntsiab lus txo ntawm cov hlau magnesium
7. Cov lus pom zoo rau kev xaiv
Deoxidation hauv steelmaking:Fesi75 (Tsawg Aluminium, cov pa roj av)nyiam thiab yuav tsum ua raws li GB / T lossis Astm cov qauv.
Casting Noob:Fesi65 / Fesi75 (1% -2% Aluminium)siv los txhawb teeb graphitization.
Magnesium hlau ntau lawm: Txhawm rau kom ntseeg tau kev ua haujlwm rov qab, nws yog qhov tsim nyog los sivTsawg Aluminium Fesi75 (Tsawg dua lossis sib npaug nrog 0.5%)Cov.