[Huate Beneficiation Encyclopedia] Ua kom pom tseeb qhov kev faib tawm, daim ntawv thov thiab cov cai ntawm "quartz xuab zeb" ib zaug

Quartz xuab zeb yog ib qho tseem ceeb hauv kev lag luam ntxhia raw khoom nrog ntau yam kev siv, xws li iav, casting, ceramics thiab refractory cov ntaub ntawv, metallurgy, kev tsim kho, tshuaj, yas, roj hmab, abrasive thiab lwm yam lag luam. Tsis tas li ntawd, high-end quartz xuab zeb tseem ua lub luag haujlwm tseem ceeb hauv cov ntaub ntawv hluav taws xob, fiber ntau optical, photovoltaic thiab lwm yam kev lag luam, nrog rau kev tiv thaiv thiab tub rog kev lag luam, aerospace thiab lwm yam kev lag luam. Nws tuaj yeem hais tau tias cov nplej me me ntawm cov xuab zeb txhawb kev lag luam loj.(Ntiv nplhaib siab gradient sib nqus sib nqus)

Tam sim no, koj paub dab tsi ntawm quartz xuab zeb?

quartz xuab zeb

01 Quartz xuab zeb ntawm txawv specifications
Cov lus qhia tshwj xeeb ntawm quartz xuab zeb muaj xws li: 0.5-1mm, 1-2mm, 2-4mm, 4-8mm, 8-16mm, 16-32mm, 10-20, 20-40, 40-80, 80-120, 100-200 , 200 a 325 ib.
Cov xov tooj ntawm quartz xuab zeb tiag tiag yog hais txog qhov loj me lossis qhov zoo ntawm quartz xuab zeb. Feem ntau, nws hais txog qhov screen hauv thaj tsam ntawm 1 nti X 1 nti. Tus naj npawb ntawm cov qhov mesh uas tuaj yeem dhau ntawm qhov screen yog txhais tau tias yog tus lej mesh. Qhov loj dua mesh tooj ntawm quartz xuab zeb, qhov zoo dua qhov loj ntawm quartz xuab zeb. Qhov me me mesh naj npawb, qhov loj dua qhov loj ntawm quartz xuab zeb.
02 Quartz xuab zeb ntawm qhov sib txawv

Feem ntau hais lus, quartz xuab zeb tuaj yeem hu ua quartz xuab zeb tsuas yog tias nws muaj tsawg kawg yog 98.5% silicon dioxide, thaum cov ntsiab lus qis dua 98.5% feem ntau hu ua silica.
Cov txheej txheem hauv zos ntawm Anhui Xeev DB34 / T1056-2009 "Quartz xuab zeb" yog siv tau rau kev lag luam quartz xuab zeb (tsis suav nrog casting silica xuab zeb) ua los ntawm quartz pob zeb los ntawm kev sib tsoo.

Tom qab xyoo ntawm txoj kev loj hlob, tam sim no, quartz xuab zeb feem ntau muab faib ua quartz xuab zeb zoo tib yam, refined quartz xuab zeb, high-purity quartz xuab zeb, fused quartz xuab zeb thiab silica hmoov hauv kev lag luam.

Ordinary quartz xuab zeb
Feem ntau, nws yog cov khoom siv lim dej lim dej ua los ntawm ntuj quartz ore tom qab crushing, ntxuav, ziab thiab lwm yam tshuaj ntsuam xyuas; SiO2 ≥ 90-99%, Fe2O3 ≤ 0.06-0.02%. Cov khoom siv lim yog cov cim los ntawm tsis muaj lub kaum ntse ntse, siab ntom, muaj lub neej kho kom muaj zog, thiab lub sijhawm ntev ntawm cov kuab paug ntawm cov kab muaj peev xwm. Nws yog cov khoom siv rau kev kho dej tshuaj. Nws tuaj yeem siv rau hauv metallurgy, graphite silicon carbide, iav thiab iav khoom, enamel, cam khwb cia hlau, caustic soda, tshuaj, dav hlau suab nrov thiab lwm yam lag luam.

Refined quartz xuab zeb
SiO2 ≥ 99-99.5%, Fe2O3 ≤ 0.005%, ua los ntawm cov khoom zoo quartz xuab zeb, ua tib zoo xaiv thiab ua tiav. Nws lub hom phiaj tseem ceeb yog tsim cov kua qaub-resistant qhob thiab mortar los ntawm kev ua iav, cov ntaub ntawv refractory, smelting ferrosilicon, metallurgical flux, ceramics, abrasive cov ntaub ntawv, casting molding quartz xuab zeb, thiab lwm yam. Qee zaum cov refined quartz xuab zeb kuj hu ua acid ntxuav quartz xuab zeb hauv. kev lag luam.

iav xuab zeb
High-purity quartz xuab zeb yog ua los ntawm qib high-qib quartz pob zeb los ntawm ntau cov txheej txheem. Tam sim no, kev lag luam tsis tau tsim ib qho kev sib koom ua lag luam tus qauv rau high-purity quartz xuab zeb, thiab nws cov ntsiab lus tsis meej heev, tab sis feem ntau hais lus, high-purity quartz xuab zeb hais txog quartz xuab zeb nrog SiO2 cov ntsiab lus ntau dua 99.95% lossis siab dua. , Fe2O3 cov ntsiab lus tsawg dua 0.0001%, thiab Al2O3 cov ntsiab lus tsawg dua 0.01%. High-purity quartz xuab zeb yog dav siv nyob rau hauv hluav taws xob lub teeb qhov chaw, kho qhov muag fiber kev sib txuas lus, lub hnub ci hlwb, semiconductor integrated circuits, precision optical instruments, khoom siv kho mob, aerospace thiab lwm yam high-tech industries.

Microsilica
Silicon micro-powder yog non-toxic, ntxhiab thiab tsis muaj kuab paug silicon dioxide hmoov ua los ntawm crystalline quartz, fused quartz thiab lwm yam raw khoom los ntawm kev sib tsoo, precision grading, impurity tshem tawm, high-temperature spheroidization thiab lwm yam txheej txheem. Nws yog ib qho khoom siv tsis zoo uas tsis yog-hlau nrog cov khoom zoo xws li cov cua kub tsis kam, siab rwb thaiv tsev, tsis tshua muaj kev nthuav dav coefficient thiab zoo thermal conductivity.

Fused quartz xuab zeb
Molten quartz xuab zeb yog amorphous (iav xeev) ntawm SiO2. Nws yog ib hom iav nrog permeability, thiab nws cov qauv atomic yog ntev thiab tsis zoo. Nws txhim kho nws qhov kub thiab txias thermal expansion coefficient los ntawm kev sib txuas ntawm cov qauv peb sab. Cov khoom siv zoo silica uas tau xaiv SiO2> 99% yog fused nyob rau hauv hluav taws xob arc rauv lossis hluav taws xob tiv thaiv ntawm qhov kub ntawm qhov kub ntawm 1695-1720 ℃. Vim lub siab viscosity ntawm SiO2 yaj, uas yog 10 mus rau 7 lub zog Pa·s ntawm 1900 ℃, nws tsis tuaj yeem tsim los ntawm casting. Tom qab txias, lub khob lub cev yog ua tiav, sib nqus sib nqus, tshem tawm impurity thiab tshuaj ntsuam los tsim granular fused quartz xuab zeb ntawm ntau yam tshwj xeeb thiab siv.
Fused quartz xuab zeb muaj qhov zoo ntawm qhov zoo thermal stability, siab purity, ruaj khov cov khoom, cov khoom sib xws, thiab thermal expansion tus nqi ze rau 0. Nws tuaj yeem siv los ua cov khoom siv hauv kev lag luam tshuaj xws li coatings thiab coatings, thiab tseem yog lub ntsiab. raw khoom rau epoxy resin casting, hluav taws xob sealing cov ntaub ntawv, cov ntaub ntawv casting, refractory cov ntaub ntawv, ceramic iav thiab lwm yam lag luam.

03 Quartz xuab zeb rau ntau lub hom phiaj

Tsawg hlau xuab zeb rau photovoltaic iav (magnetic drum magnetic separator)
Photovoltaic iav feem ntau yog siv los ua lub ntim ntim ntawm photovoltaic modules, uas yog nyob rau hauv kev sib cuag ncaj qha nrog rau sab nraud ib puag ncig. Nws cov huab cua muaj peev xwm, lub zog, lub teeb xa hluav taws xob thiab lwm yam ntsuas tau ua lub luag haujlwm tseem ceeb hauv lub neej thiab lub zog siv hluav taws xob mus sij hawm ntev ntawm photovoltaic modules. Cov hlau ion hauv quartz xuab zeb yog ib qho yooj yim rau zas. Txhawm rau kom ntseeg tau lub hnub ci siab tshaj plaws ntawm cov iav qub, cov ntsiab lus hlau ntawm cov iav photovoltaic yuav tsum qis dua li cov iav zoo tib yam, thiab cov hlau tsis tshua muaj hlau quartz xuab zeb nrog siab silicon purity thiab cov ntsiab lus impurity tsawg yuav tsum tau siv.

High-purity quartz xuab zeb rau photovoltaic
Hnub ci hluav taws xob photovoltaic tau dhau los ua cov kev taw qhia nyiam ntawm kev siv lub hnub ci zog, thiab cov xuab zeb purity siab quartz muaj cov ntawv thov tseem ceeb hauv kev lag luam photovoltaic. Quartz li siv nyob rau hauv kev lag luam photovoltaic suav nrog quartz ceramic crucibles rau hnub ci silicon ingots, nrog rau cov nkoj quartz, quartz rauv tub thiab nkoj brackets siv nyob rau hauv diffusion thiab oxidation ntawm photovoltaic manufacturing txheej txheem, thiab PECVD txheej txheem. Ntawm lawv, quartz crucibles muab faib ua square quartz crucibles rau loj hlob polycrystalline silicon thiab round quartz crucibles rau loj hlob monocrystalline silicon. Lawv yog cov khoom siv thaum lub sij hawm loj hlob ntawm silicon ingots thiab yog cov khoom siv quartz nrog qhov xav tau loj tshaj plaws hauv kev lag luam photovoltaic. Lub ntsiab raw khoom ntawm quartz crucible yog high-purity quartz xuab zeb.

Phaj xuab zeb
Quartz pob zeb muaj cov yam ntxwv ntawm hnav tsis kam, khawb tsis kam, kub tsis kam, corrosion kuj thiab kav ntev. Nws muaj zog plasticity thiab yog dav siv. Nws yog ib tug benchmark khoom nyob rau hauv lub keeb kwm ntawm txoj kev loj hlob ntawm cov khoom siv dag zog. Nws kuj tau maj mam dhau los ua kev nyiam tshiab hauv kev ua lag luam kho kom zoo nkauj hauv tsev thiab nyiam cov neeg siv khoom. Feem ntau, 95% ~ 99% quartz xuab zeb los yog quartz hmoov yog sib koom ua ke thiab solidified los ntawm resin, pigment thiab lwm yam additives, yog li qhov zoo ntawm quartz xuab zeb los yog quartz hmoov txiav txim siab qhov kev ua tau zoo ntawm cov khoom cuav quartz pob zeb phaj rau qee yam.
Cov quartz xuab zeb hmoov siv nyob rau hauv kev lag luam quartz phaj feem ntau tau los ntawm high-zoo quartz leeg thiab quartzite ore los ntawm crushing, tshuaj ntsuam, sib nqus sib cais thiab lwm yam txheej txheem. Qhov zoo ntawm raw cov ntaub ntawv ncaj qha cuam tshuam qhov zoo ntawm quartz. Feem ntau hais lus, quartz siv rau quartz pob zeb slab tau muab faib ua nplua quartz xuab zeb hmoov (5-100 mesh, siv los ua aggregate, cov aggregate feem ntau xav tau ≥ 98% silicon cov ntsiab lus) thiab coarse quartz xuab zeb (320-2500 mesh, siv rau sau thiab kev txhawb zog). Muaj qee qhov kev xav tau rau hardness, xim, impurities, noo noo, whiteness, thiab lwm yam.

Foundry xuab zeb
Vim hais tias quartz muaj hluav taws kub tsis kam thiab hardness, thiab nws cov cuab yeej zoo heev tuaj yeem ua tau raws li ntau yam kev xav tau ntawm kev tsim khoom, nws tuaj yeem siv tsis yog rau cov av nplaum xuab zeb moulding, tab sis kuj rau cov txheej txheem molding thiab cov txheej txheem tseem ceeb xws li cob xuab zeb thiab coated. xuab zeb, yog li quartz xuab zeb yog dav siv nyob rau hauv casting ntau lawm.
Dej ntxuav xuab zeb: Nws yog cov xuab zeb nyoos rau casting tom qab ntuj silica xuab zeb yog ntxuav thiab graded.
Scrubbing xuab zeb: ib yam ntawm cov xuab zeb nyoos rau casting. Lub ntuj silica xuab zeb tau raug ntxuav, ntxuav, graded thiab qhuav, thiab cov av nkos yog tsawg dua 0.5%.
Qhuav xuab zeb: cov xuab zeb qhuav nrog cov dej qis thiab cov impurities tsawg yog tsim los ntawm kev siv cov dej hauv av kom huv si, tom qab peb zaug ntawm desliming thiab rau lub sij hawm ntawm kev txhuam, thiab tom qab ntawd ziab ntawm 300 ℃ - 450 ℃. Nws yog tsuas yog siv los tsim high-qib coated xuab zeb, nrog rau cov tshuaj, txheej, sib tsoo, electronics thiab lwm yam lag luam.
Coated xuab zeb: ib txheej ntawm resin zaj duab xis yog coated nrog phenolic resin rau saum npoo ntawm cov xuab zeb.
Silica xuab zeb siv rau casting yog 97.5% ~ 99.6% (ntxiv los yog rho tawm 0.5%), Fe2O3 <1%. Cov xuab zeb yog du thiab huv si, nrog cov ntsiab lus av <0.2 ~ 0.3%, angular coefficient <1.35 ~ 1.47, thiab dej ntsiab lus <6%.

Quartz xuab zeb rau lwm lub hom phiaj
Ceramic teb: quartz xuab zeb SiO2 siv nyob rau hauv kev tsim cov ceramics yog ntau tshaj 90%, Fe2O3 ∈ 0.06 ~ 0.02%, thiab hluav taws kub mus txog 1750 ℃. Cov particle loj yog 1 ~ 0.005mm.
Cov khoom siv refractory: SiO2 ≥ 97.5%, Al2O3 ∈ 0.7 ~ 0.3%, Fe2O3 ∈ 0.4 ~ 0.1%, H2O ≤ 0.5%, bulk density 1.9 ~ 2.1g / m3, liner bulk density 1.8g / m3 0.021mm ib.
Metallurgical teb:
① Abrasive xuab zeb: cov xuab zeb muaj zoo roundness, tsis muaj npoo thiab cov ces kaum, particle loj yog 0.8 ~ 1.5 hli, SiO2 > 98%, Al2O3 < 0.72%, Fe2O3 < 0.18%.
② Xuab zeb blasting: kev lag luam tshuaj feem ntau siv xuab zeb blasting kom tshem tawm xeb. SiO2 > 99.6%, Al2O3 < 0.18%, Fe2O3 < 0.02%, particle loj 50 ~ 70 mesh, spherical particle shape, Mohs hardness 7.
Abrasive teb: Cov kev xav tau zoo ntawm quartz xuab zeb siv los ua abrasive yog SiO2 > 98%, Al2O3 < 0.94%, Fe2O3 < 0.24%, CaO < 0.26%, thiab particle loj ntawm 0.5 ~ 0.8mm.

 

 


Post lub sij hawm: Feb-04-2023