Cov ntsiab lus los qhia Ferro Silicoron

Cov txheej txheem ntau lawm
Cov txheej txheem tsim khoom lag luam cuam tshuam:

Cov Khoom Siv Raw: Quartz (ntau dua lossis sib npaug ntawm 98% SILO₂), cov roj av (scbonaceous reductants (Coke / Thee)

Smelting nyob rau hauv submerged arc rauv taws ntawm 1600-1800 degree

Zog Siv Khoom: {8000-9000 kwh / tuj ntawm Fesi75

Coj mus rhaub-rau-cam khwb cia ua ke nrog tom qab crushing thiab sizing

Tshuaj lom neeg muaj pes tsawg leeg thiab qib kawm
Cov ntawv tseem ceeb uas tsis suav nrog:

Tseem ceeb: SI (15-95%), fe (sib npaug)

Kev tswj hwm impurities: al ({0}}}}}}. {}}}}}. 05%)

Cov qhab nia tshwj xeeb muaj MG ({{0}}}}}}} {{{4 4}}%)

Cov Khoom Siv Lub Cev

Ceev: 3. {{{5-5. {0 g / cm³ (sib txawv nrog Si cov ntsiab lus)

Melting taw tes: {1200-1300 degree (Fesi45) rau 1300-1400 degree (FESI75)

Hluav taws xob tiv thaiv hluav taws xob: {500-800 · cm

Thermal conductivity: 20-30 w / (mapy)

Daim Ntawv Thov Ntsuas Metallurgical
5.1 steelmaking:

Deagidation: si {+ 2 [} → sio₂ (Δg degree=-95200 + 19. 6T cal / Mol)

Alloying: nce lub zog los ntawm cov khoom siv tawv tawv

Cov neeg raug ntxiv ntxiv: {{0. {{{1 kg / tuj ntawm cov hlau

5.2 Cov Hlau Ntau Lawm:

Graphitization promoter (0.5-4% addition)

Inoculant rau grey hlau (75% fesi nrog 0. 75-1. 25% CA)

Nodularizer (Fesimg nrog {{{{0}}}}}}}}. 5% re)

Tswjhwm tsis zoo

Loj faib: Cov qauv qib (10-100 mm), hmoov (tsawg dua los yog sib npaug rau 1 hli)

Tshuaj lom neeg homogeneity: tsawg dua los yog sib npaug ntawm 2% kev sib txawv hauv SI cov ntsiab lus

Cov ntsiab lus roj: H₂ tsawg dua lossis sib npaug rau 5ppm, n₂ tsawg dua lossis sib npaug rau 50ppm rau cov qhab nia hwm

Microstructure: Eutectic Fesi₂ Ntu

Kev Ua Tshwj Xeeb
Cov Qauv Txheej Txheem Kev Sib Tw:

ISO 5445: 2019 (FESI45, FESI65, FESI75)

ASTM A 100-20 (Qeb A: 74-80}}}}}}}% SI)

Gost 1415-93 (FSI75, FSI65)

GB / t {{{{0}}}}}}}}}}} (fesi}

Kev Tshaj Tawm Tshuab

Kev loj hlob ntawm ultra-tsawg cov pa roj carbon fesi (c tsawg dua lossis sib npaug ntawm 0. 02%) rau cov hluav taws xob hluav taws xob

Nano-qhov loj fesi inoculants rau kev txhim kho cov cam khwb cia cov khoom

Cov phooj ywg zoo ib puag ncig siv cov biomass recuctants

Khoos phis tawj-tswj cov txheej txheem smelting rau cov txiaj ntsig zoo ib yam

Kev nyab xeeb thiab tuav

Cia: Cov xwm txheej qhuav los tiv thaiv kev nqus dej noo

Tsheb thauj mus los: cais raws li UN 1408 (ferrosilicon, 4.3)

Reactivity: Ua kom muaj roj ntau dua hydrogen thaum ntub dej (fesi {{{}} h₂o → Fe (Oh) ₂ + Si + Si +)

PPE cov kev xav tau: Cov ntsej muag plua plav kom pom zoo

Kev ua lag luam thiab kev lag luam

Cov Ntau Lawm: ~ 12 lab Tons / Xyoo (2023)

Tus nqi yam: Cov nqi hlau hlau hlau, cov nqi zog, tsheb thauj mus los

Kev Ncaj Ncees Ncaj Ncees: Cov pa roj teeb kev txo cov thawj kauj ruam

Cim npe nrov: Cov ntsiab lus los qhia Ferro Silicon, Tuam Tshoj cov ntsiab lus los ua Ferro Silicon Manufacturers, lwm tus neeg, Hoobkas