Parameters ntawmsilicon hlau hmoovyog nyob rau ntawm "loj, purity, thiab muaj pes tsawg leeg," uas ncaj qha txiav txim siab nws reactivity, haum daim ntawv thov scenarios, thiab cov khoom muaj nqis. Cov yam ntxwv tseem ceeb thiab cov qauv yuav tsum muaj raws li hauv qab no:
| Hom Parameter | Core Indicator | Standard Requirement Range | Core Impact |
| Lub cev Parameters | Loj (mesh suav / micrometers) | 100 mesh (150μm), 200 mesh (74μm),325 mesh (45μm), 400 mesh (38μm) | Qhov loj mesh suav, qhov loj ntawm qhov chaw tshwj xeeb thiab qhov siab dua qhov reactivity. |
| Composition Parameters | Silicon (Si) Cov ntsiab lus | Qib Muaj Qib Ntau dua lossis sib npaug li 98%, Tshuaj Qib Siab Ntau dua lossis sib npaug li 99.5% | Cov purity siab dua txhais tau tias tsis muaj kev cuam tshuam los ntawm impurities, ua rau nws haum rau siab -kawg daim ntawv thov. |
| Impurity Parameters | Fe/Al/Ca Cov ntsiab lus | Muaj Qib Tsawg dua lossis sib npaug li 2.0% / 2.0% / 0.8% | Cov impurities ntau dhau yuav cuam tshuam rau kev ua haujlwm ntawm cov khoom kawg (xws li lub zog thiab conductivity). |
| Performance Parameters | Thaj Chaw Tshwj Xeeb (m² / g) | 200 mesh: 1–3; 400 mesh: 3-5 | Qhov loj dua qhov chaw tshwj xeeb, qhov ceev ntawm cov tshuaj tiv thaiv kab mob. |
| Safety Parameters | Cov ntsiab lus noo noo | Tsawg dua los yog sib npaug li 0.5% | Cov dej noo ntau dhau tuaj yeem yooj yim ua rau porosity hauv castings thiab txawv txav tshuaj. |
Kev cuam tshuam tshwj xeeb ntawm Core Parameters ntawm Daim Ntawv Thov Cov teebmeem
(1) Loj: Qhov tseem ceeb rau Reactivity thiab ua kom haum
100 mesh (150μm):
Qhov tshwj xeeb ntawm thaj chaw 1-2m² / g, qeeb qeeb qeeb, haum rau cov khoom siv zoo tib yam thiab cov khoom siv refractory filling; ib qho ntxiv ntawm 1.5% -2.0% yuav tsum ua kom tiav cov txiaj ntsig zoo ib yam;
200 mesh (74μm):
Cov cheeb tsam tshwj xeeb 2-3m² / g, sib npaug reactivity, haum rau aluminium alloy smelting thiab organosilicon synthesis; silicon rov qab tus nqi 85% -90%, hom kev nyiam dav dav;
325 mesh (45μm):
Qhov tshwj xeeb thaj chaw 3-4m² / g, zoo dispersibility, haum rau precision casting thiab high-end refractory khoom; casting nto tiav Ra Tsawg dua lossis sib npaug ntawm 0.8μm;
400 Mesh thiab siab dua (tsawg dua lossis sib npaug rau 38μm):
Cov cheeb tsam tshwj xeeb loj dua lossis sib npaug li 5m² / g, kev ua haujlwm siab heev, tsim rau hluav taws xob - cov ntaub ntawv qib thiab photovoltaic polycrystalline silicon ntau lawm; impurity tshem tawm nyuaj thiab tus nqi nce ib txhij.
(2) Purity and Composition: Core Basis for Scenario Adaptation
Qib Industrial (Si Ntau dua lossis sib npaug li 98%):
Cov ntsiab lus impurity siab dua, tus nqi qis, tsim nyog rau lub tsev profile aluminium alloys thiab cov khoom siv refractory zoo tib yam;
Chemical Qib (Si Ntau dua lossis sib npaug li 99.5%):
Impurities Fe / Al / Ca Tsawg dua lossis sib npaug li 0.3%, haum rau organosilicon synthesis thiab tshuaj zoo, silicon hloov pauv tus nqi nce mus txog 90%;
Kev siv Silicon hlau hmoov hauv txhua qhov xwm txheej
(1) Aluminium Alloy Kev Lag Luam: Core Additive rau Kev Ua Haujlwm Zoo
Mechanism ntawm Action:Silicon atoms yaj mus rau hauv cov txhuas matrix, ua rau lattice distortion, nce lub zog thiab hardness, thiab txhim kho casting fluidity;
Haum Parameter:200 mesh qib kev lag luam rau cov khoom siv txhuas zoo tib yam, 325 mesh tshuaj qib rau siab -kawg aluminium alloys.
(2) Organosilicon Kev Lag Luam: Core Raw Khoom kom ntseeg tau tias muaj txiaj ntsig zoo
Mechanism ntawm Action:Reacts nrog methyl chloride los tsim methylchlorosilane, ib qho nruab nrab nruab nrab rau silicone roj hmab, silicone roj, thiab silicone resin;
Haum Parameter:200-325 mesh tshuaj qib feem ntau yog siv, 400 mesh tshuaj qib yog siv rau high-end organosilicon.
(3) Refractory Materials Kev lag luam:Qhov tseem ceeb Additive rau kev txhim kho siab -Tsub Ua Haujlwm
Mechanism ntawm Action:Sau cov pores ntawm cov ntaub ntawv refractory, reacts nrog lwm yam khoom ntawm qhov kub thiab txias los tsim mullite (3Al₂O₃・2SiO₂), ntxiv dag zog rau cov qauv ntom ntom;
Haum Parameter:100-200 mesh rau cov ntaub ntawv zoo tib yam refractory, 325 mesh rau high-end kiln hauv ob sab phlu.
Kev xaiv thiab siv cov ntsiab lus tswj
(1) Kev Xaiv Logic: Sib piv tsis raws li qhov scenario
| Daim ntawv thov Scenario | Pom zoo Parameter Combinations | Cov Txheej Txheem Xaiv Txheej Txheem |
| Ordinary aluminium alloy, architectural profiles | 200 mesh, qib kev lag luam (Si Ntau dua lossis sib npaug li 98%) | Tus nqi sib npaug -kev ua tau zoo piv, ua tau raws li qhov xav tau ntawm kev ua tau zoo |
| Organosilicon, Fine Chemical | 200-325 mesh, Tshuaj Qib (Si Ntau dua lossis sib npaug rau 99.5%) | High conversion tus nqi, txo byproducts |
| Precision casting, siab - cov ntaub ntawv refractory kawg | 325 mesh, qib tshuaj (Si Ntau dua lossis sib npaug li 99.5%) | Uniform dispersion, txhim kho cov khoom ntom ntom |
(2) Kev ceev faj siv
Cov Txheej Txheem Loj Loj:
Cov txheej txheem melting (Aluminium Alloys, Casting): Xaiv 200-325 mesh kom tsis txhob oxidation thiab hlawv-tawm ntawm cov hmoov zoo heev (poob tus nqi nce ntawm 5% mus rau 15%).
Cov txheej txheem sib xyaw hmoov (Coatings, Adhesives): Xaiv 325-400 mesh kom ntseeg tau tias muaj kev sib cais thiab tsis muaj agglomeration.
Kev Tiv Thaiv Cia:
Khaws rau hauv qhov chaw qhuav, zoo- qhov cua qhov chaw (cov av noo tsawg dua lossis sib npaug li 60%), hauv cov ntim ntim. Lub neej txee yuav tsum tsis pub tshaj 6 lub hlis txhawm rau tiv thaiv kom tsis txhob ya raws thiab clumping.
Cov khoom lag luam qib hluav taws xob xav tau lub tshuab nqus tsev kom tiv thaiv oxidation los ntawm kev cuam tshuam purity.
Kev Ua Haujlwm Zoo:
Plua plav generated thaum lub sij hawm ua yuav tsum tau sau nrog ib lub hnab lim (plua plav concentration Tsawg tshaj los yog sib npaug zos rau 10mg / m³) kom tsis txhob muaj kev phom sij rau kev nqus pa.
Tsis txhob cia nrog cov oxidizers muaj zog tiv thaiv oxidation tshwm sim ntawm qhov kub thiab txias.
