Mchenga wa quartz ndi chinthu chofunikira kwambiri chomwe chimagwiritsidwa ntchito m'mafakitale ndipo chimagwiritsidwa ntchito m'njira zosiyanasiyana, kuphatikizapo galasi, kuponyera zinthu, zinthu zadothi ndi zinthu zotsutsa, zitsulo, zomangamanga, mankhwala, pulasitiki, rabara, zokwawa ndi mafakitale ena. Kupatula apo, mchenga wa quartz wapamwamba umagwiranso ntchito yofunika kwambiri pazidziwitso zamagetsi, ulusi wa kuwala, photovoltaic ndi mafakitale ena, komanso pamakampani achitetezo ndi ankhondo, ndege ndi madera ena. Tinganene kuti tinthu tating'onoting'ono ta mchenga timathandizira mafakitale akuluakulu. (Wolunjika mphete yolunjika yokhala ndi maginito okwera kwambiri)
Pakadali pano, ndi mitundu iti ya mchenga wa quartz yomwe mukudziwa?
01 Mchenga wa Quartz wa mitundu yosiyanasiyana
Mafotokozedwe odziwika bwino a mchenga wa quartz ndi awa: 0.5-1mm, 1-2mm, 2-4mm, 4-8mm, 8-16mm, 16-32mm, 10-20, 20-40, 40-80, 80-120, 100-200, 200 ndi 325.
Chiwerengero cha maukonde a mchenga wa quartz kwenikweni chimatanthauza kukula kwa tirigu kapena kupyapyala kwa mchenga wa quartz. Kawirikawiri, chimatanthauza chophimba mkati mwa dera la inchi 1 X 1 inchi. Chiwerengero cha mabowo a maukonde omwe angadutse pazenera chimatanthauzidwa ngati nambala ya maukonde. Chiwerengero cha maukonde a mchenga wa quartz chikakhala chachikulu, kukula kwa tirigu wa mchenga wa quartz kumakhala kochepa. Chiwerengero cha maukonde chikakhala chochepa, kukula kwa tirigu wa mchenga wa quartz kumakhala kwakukulu.
02 Mchenga wa Quartz wamtundu wosiyana
Kawirikawiri, mchenga wa quartz ukhoza kutchedwa mchenga wa quartz pokhapokha ngati uli ndi 98.5% ya silicon dioxide, pomwe zomwe zili pansi pa 98.5% nthawi zambiri zimatchedwa silica.
Muyezo wa m'deralo wa Anhui Province DB34/T1056-2009 "mchenga wa Quartz" umagwiritsidwa ntchito pa mchenga wa quartz wa mafakitale (kupatula mchenga wa silica wopangidwa ndi chitsulo) wopangidwa kuchokera ku miyala ya quartz popera.
Pambuyo pa zaka zambiri za chitukuko, pakadali pano, mchenga wa quartz nthawi zambiri umagawidwa m'magawo monga mchenga wamba wa quartz, mchenga woyengedwa bwino wa quartz, mchenga wa quartz woyengedwa bwino kwambiri, mchenga wa quartz wosakanikirana ndi ufa wa silika m'makampani.
Mchenga wamba wa quartz
Kawirikawiri, ndi fyuluta yoyeretsera madzi yopangidwa ndi miyala yachilengedwe ya quartz ikaphwanyidwa, kutsukidwa, kuumitsidwa ndi kufufuzidwa kwachiwiri; SiO2 ≥ 90-99%, Fe2O3 ≤ 0.06-0.02%. Zipangizo zoseferazi sizimakonzedwa bwino, zimakhala ndi mphamvu zambiri, komanso zimakhala ndi nthawi yayitali yogwira ntchito ya chingwe chonyamulira zinthu zodetsa. Ndi chinthu choyeretsera madzi pogwiritsa ntchito mankhwala. Chingagwiritsidwe ntchito mu zitsulo, graphite silicon carbide, magalasi ndi magalasi, enamel, chitsulo chopangidwa ndi chitsulo, soda yosungunuka, mankhwala, phokoso la jet ndi mafakitale ena.
Mchenga wa quartz woyengedwa bwino
SiO2 ≥ 99-99.5%, Fe2O3 ≤ 0.005%, yopangidwa ndi mchenga wachilengedwe wa quartz wapamwamba kwambiri, wosankhidwa mosamala ndikukonzedwa. Cholinga chake chachikulu ndikupanga konkriti ndi matope osagwira asidi popanga magalasi, zinthu zotsutsana, ferrosilicon yosungunulira, flux yachitsulo, zoumba, zinthu zokwawa, mchenga wa quartz wopangidwa ndi kuumba, ndi zina zotero. Nthawi zina mchenga wa quartz woyengedwa umatchedwanso mchenga wa quartz wotsukidwa ndi asidi mumakampani.
Mchenga wagalasi
Mchenga wa quartz woyera kwambiri umapangidwa ndi miyala ya quartz yapamwamba kudzera mu njira zingapo. Pakadali pano, makampani sanakhazikitse muyezo wogwirizana wa mafakitale wa mchenga wa quartz woyera kwambiri, ndipo tanthauzo lake silikumveka bwino, koma nthawi zambiri, mchenga wa quartz woyera kwambiri umatanthauza mchenga wa quartz wokhala ndi SiO2 yoposa 99.95% kapena kupitirira apo, Fe2O3 yochepera 0.0001%, ndi Al2O3 yochepera 0.01%. Mchenga wa quartz woyera kwambiri umagwiritsidwa ntchito kwambiri m'magwero amagetsi, kulumikizana kwa ulusi wa kuwala, maselo a dzuwa, ma semiconductor integrated circuits, zida zowunikira molondola, ziwiya zachipatala, ndege ndi mafakitale ena apamwamba.
Microsilica
Ufa wa Silicon micro-ufa ndi ufa wa silicon dioxide wopanda poizoni, wopanda fungo komanso wopanda kuipitsa womwe umapangidwa kuchokera ku crystalline quartz, fusion quartz ndi zinthu zina zopangira kudzera mu kugaya, kugawa molondola, kuchotsa zodetsa, spheroidization yotentha kwambiri ndi njira zina. Ndi chinthu chosapangidwa ndi chitsulo chomwe chili ndi zinthu zabwino kwambiri monga kukana kutentha kwambiri, kutchinjiriza kwambiri, kukulitsa kotsika kwa mzere komanso kutentha kwabwino.
Mchenga wa quartz wosakanikirana
Mchenga wa quartz wosungunuka ndi wosasinthika (mkhalidwe wagalasi) wa SiO2. Ndi mtundu wa galasi wokhala ndi mphamvu yolowera, ndipo kapangidwe kake ka atomu ndi kakatali komanso kosasunthika. Umawongolera kutentha kwake komanso mphamvu yake yocheperako yokulitsa kutentha kudzera mu kulumikizana kwa kapangidwe ka magawo atatu. Silica raw tool yosankhidwa bwino kwambiri ya SiO2>99% imasakanizidwa mu ng'anjo yamagetsi kapena ng'anjo yokana kutentha pa kutentha kosungunuka kwa 1695-1720 ℃. Chifukwa cha kukhuthala kwakukulu kwa SiO2 melt, komwe kuli 10 mpaka 7th power Pa · s pa 1900 ℃, sikungapangidwe ndi kuponyedwa. Pambuyo pozizira, thupi lagalasi limakonzedwa, kupatukana kwa maginito, kuchotsa zonyansa ndikuwunika kuti apange mchenga wa quartz wosakanikirana wamitundu yosiyanasiyana komanso ntchito zosiyanasiyana.
Mchenga wa quartz wosakanikirana uli ndi ubwino wokhala ndi kukhazikika kwa kutentha, kuyera kwambiri, mphamvu zokhazikika za mankhwala, kufalikira kwa tinthu tofanana, komanso kuchuluka kwa kutentha komwe kumawonjezeka pafupifupi 0. Ungagwiritsidwe ntchito ngati chodzaza m'mafakitale opanga mankhwala monga zokutira ndi zokutira, komanso ndi chinthu chachikulu chopangira epoxy resin casting, zida zotsekera zamagetsi, zida zopangira zinthu, zida zotsutsa, magalasi a ceramic ndi mafakitale ena.
03 Mchenga wa Quartz pazifukwa zosiyanasiyana
Mchenga wachitsulo wotsika wa galasi la photovoltaic (magnetic drum magnetic separator)
Galasi la Photovoltaic nthawi zambiri limagwiritsidwa ntchito ngati bolodi losungiramo ma module a photovoltaic, omwe amalumikizana mwachindunji ndi chilengedwe chakunja. Kulimba kwake pa nyengo, mphamvu, kufalikira kwa kuwala ndi zizindikiro zina zimagwira ntchito yofunika kwambiri pakugwira ntchito kwamphamvu kwa ma module a photovoltaic komanso kupanga mphamvu kwa nthawi yayitali. Ion yachitsulo mumchenga wa quartz ndi yosavuta kupaka utoto. Pofuna kuwonetsetsa kuti galasi loyambirira limadutsa mphamvu zambiri, kuchuluka kwa chitsulo mu galasi la photovoltaic kumafunika kukhala kotsika kuposa kwa galasi wamba, ndipo mchenga wa quartz wopanda chitsulo wokhala ndi chiyero cha silicon komanso kuchuluka kwa kuipitsidwa kochepa uyenera kugwiritsidwa ntchito.
Mchenga wa quartz woyera kwambiri wa photovoltaic
Kupanga mphamvu ya dzuwa yotchedwa photovoltaic kwakhala njira yabwino kwambiri yogwiritsira ntchito mphamvu ya dzuwa, ndipo mchenga wa quartz woyeretsedwa kwambiri umagwiritsidwa ntchito kwambiri mumakampani opanga ma photovoltaic. Zipangizo za quartz zomwe zimagwiritsidwa ntchito mumakampani opanga ma photovoltaic zikuphatikizapo ma quartz ceramic crucibles a ma solar silicon ingots, komanso maboti a quartz, machubu a quartz ng'anjo ndi ma brackets a boti omwe amagwiritsidwa ntchito pofalitsa ndi kuoxidation kwa njira yopangira ma photovoltaic, ndi njira ya PECVD. Pakati pawo, ma quartz crucibles amagawidwa m'ma square quartz crucibles okulira polycrystalline silicon ndi ma round quartz crucibles okulira monocrystalline silicon. Ndiwo omwe amagwiritsidwa ntchito panthawi ya kukula kwa ma silicon ingots ndipo ndi zida za quartz zomwe zimafunidwa kwambiri mumakampani opanga ma photovoltaic. Zinthu zazikulu zopangira quartz crucible ndi mchenga wa quartz woyeretsedwa kwambiri.
Mchenga wa mbale
Mwala wa quartz uli ndi mphamvu zoteteza kukalamba, kukana kukanda, kukana kutentha, kukana dzimbiri komanso kulimba. Uli ndi pulasitiki wolimba ndipo umagwiritsidwa ntchito kwambiri. Ndi chinthu chodziwika bwino m'mbiri ya kupanga zipangizo zomangira. Pang'onopang'ono wakhala chinthu chatsopano chomwe chimakonda kwambiri pamsika wokongoletsera nyumba ndipo ndi wotchuka kwa ogula. Kawirikawiri, 95% ~ 99% mchenga wa quartz kapena ufa wa quartz umalumikizidwa ndikulimba ndi utomoni, utoto ndi zina zowonjezera, kotero mtundu wa mchenga wa quartz kapena ufa wa quartz umatsimikizira momwe mbale ya miyala ya quartz yomangira imagwirira ntchito pamlingo winawake.
Ufa wa mchenga wa quartz womwe umagwiritsidwa ntchito mumakampani opanga mbale za quartz nthawi zambiri umapezeka kuchokera ku miyala yamtengo wapatali ya quartz ndi miyala ya quartzite kudzera mu kuphwanya, kuwunikira, kupatukana kwa maginito ndi njira zina. Ubwino wa zipangizo zopangira umakhudza mwachindunji ubwino wa quartz. Kawirikawiri, quartz yomwe imagwiritsidwa ntchito popanga miyala ya quartz imagawidwa mu ufa wa mchenga wa quartz wabwino (maukonde 5-100, omwe amagwiritsidwa ntchito ngati maukonde, maukonde nthawi zambiri amafunikira ≥ 98% silicon content) ndi mchenga wa quartz wokazinga (maukonde 320-2500, omwe amagwiritsidwa ntchito podzaza ndi kulimbitsa). Pali zofunikira zina pakulimba, mtundu, zodetsa, chinyezi, kuyera, ndi zina zotero.
Mchenga wa maziko
Popeza quartz ili ndi kukana moto komanso kuuma kwambiri, ndipo magwiridwe ake abwino kwambiri aukadaulo amatha kukwaniritsa zofunikira zosiyanasiyana zopangira zinthu zoponyera, ingagwiritsidwe ntchito osati popangira mchenga wadothi wamba, komanso popangira zinthu zapamwamba komanso zopangira maziko monga mchenga wa resin ndi mchenga wokutidwa, kotero mchenga wa quartz umagwiritsidwa ntchito kwambiri popanga zinthu zoponyera.
Mchenga wotsukidwa ndi madziNdi mchenga wosaphika woti ugwiritsidwe ntchito pambuyo poti mchenga wachilengedwe wa silica watsukidwa ndikuyesedwa.
Kutsuka mchenga: mtundu wa mchenga wosaphika wopangira. Mchenga wachilengedwe wa silica watsukidwa, kutsukidwa, kukonzedwa bwino komanso kuumitsidwa, ndipo matope ndi osakwana 0.5%.
Mchenga wouma: mchenga wouma wokhala ndi madzi ochepa komanso zinyalala zochepa umapangidwa pogwiritsa ntchito madzi apansi panthaka oyera ngati gwero la madzi, pambuyo pochotsa madziwo katatu ndi kutsuka kasanu ndi kamodzi, kenako nkuumitsa pa 300 ℃ - 450 ℃. Umagwiritsidwa ntchito makamaka popanga mchenga wokhala ndi zokutira zapamwamba, komanso mankhwala, zokutira, zopera, zamagetsi ndi mafakitale ena.
Mchenga wophimbidwa: filimu ya utomoni imakutidwa ndi utomoni wa phenolic pamwamba pa mchenga wotsukira.
Mchenga wa silika womwe umagwiritsidwa ntchito popangira zinthu ndi 97.5%~99.6% (kuphatikiza kapena kuchotsa 0.5%), Fe2O3<1%. Mchengawo ndi wosalala komanso woyera, wokhala ndi matope <0.2~0.3%, angular coefficient <1.35~1.47, ndi madzi <6%.
Mchenga wa quartz pazifukwa zina
Munda wa Ceramic: mchenga wa quartz SiO2 womwe umagwiritsidwa ntchito popanga zoumba ndi woposa 90%, Fe2O3 ∈ 0.06~0.02%, ndipo kukana moto kumafika 1750 ℃. Kukula kwa tinthu tating'onoting'ono ndi 1~0.005mm.
Zipangizo zopondereza: SiO2 ≥ 97.5%, Al2O3 ∈ 0.7~0.3%, Fe2O3 ∈ 0.4~0.1%, H2O ≤ 0.5%, kuchuluka kwa zinthu 1.9~2.1g/m3, kuchuluka kwa zinthu 1.75~1.8g/m3, kukula kwa tinthu 5.1~0.021mm.
Munda wa zitsulo:
① Mchenga wozungulira: mchenga uli ndi mawonekedwe ozungulira bwino, wopanda m'mbali ndi ngodya, kukula kwa tinthu tating'onoting'ono ndi 0.8 ~ 1.5mm, SiO2 ＞ 98%, Al2O3 ＜ 0.72%, Fe2O3 ＜ 0.18%.
② Kuphulika kwa mchenga: makampani opanga mankhwala nthawi zambiri amagwiritsa ntchito kuphulika kwa mchenga kuti achotse dzimbiri. SiO2 ＞ 99.6%, Al2O3 ＜ 0.18%, Fe2O3 ＜ 0.02%, kukula kwa tinthu 50~70 maukonde, mawonekedwe ozungulira a tinthu, kuuma kwa Mohs 7.
Malo obisala: Zofunikira pa khalidwe la mchenga wa quartz womwe umagwiritsidwa ntchito ngati wobisala ndi SiO2 ＞ 98%, Al2O3 ＜ 0.94%, Fe2O3 ＜ 0.24%, CaO ＜ 0.26%, ndi kukula kwa tinthu tating'onoting'ono ta 0.5 ~ 0.8mm.
Nthawi yotumizira: Feb-04-2023