Mchenga wa Quartz ndi chinthu chofunikira kwambiri chamchere cham'mafakitale chomwe chimagwiritsidwa ntchito mosiyanasiyana, kuphatikiza magalasi, kuponyera, zoumba ndi zowumitsa, zitsulo, zomangamanga, mankhwala, pulasitiki, mphira, abrasive ndi mafakitale ena. Kuposa pamenepo, mchenga wa quartz wapamwamba umagwiranso ntchito yofunika kwambiri pazidziwitso zamagetsi, fiber optical, photovoltaic ndi mafakitale ena, komanso makampani otetezera ndi asilikali, ndege ndi madera ena. Tinganene kuti njere zazing'ono zamchenga zimathandizira mafakitale akulu.
Pakali pano, ndi mchenga wamtundu wanji wa quartz womwe umaudziwa?
01 Quartz mchenga wamitundu yosiyanasiyana
Zodziwika bwino za mchenga wa quartz ndi: 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.
Nambala ya mesh ya mchenga wa quartz kwenikweni imatanthawuza kukula kwa njere kapena ubwino wa mchenga wa quartz. Nthawi zambiri, amatanthauza chophimba mkati mwa 1 inchi X 1 inchi. Chiwerengero cha mabowo a mauna omwe amatha kudutsa pazenera amatanthauzidwa ngati nambala ya mesh. Kuchuluka kwa mauna a mchenga wa quartz, kumapangitsanso kukula kwa mchenga wa quartz. Nambala ya mesh yocheperako, ndikukula kukula kwa mchenga wa quartz.
02 Mchenga wa quartz wamitundu yosiyanasiyana
Nthawi zambiri, mchenga wa quartz ukhoza kutchedwa mchenga wa quartz pokhapokha ngati uli ndi 98.5% silicon dioxide, pomwe zomwe zili pansi pa 98.5% nthawi zambiri zimatchedwa silika.
Muyezo wakuderalo wa Province la Anhui DB34/T1056-2009 "Mchenga wa Quartz" umagwira ntchito ku mchenga wa quartz wamakampani (kupatula mchenga wa silika) wopangidwa kuchokera ku miyala ya quartz pogaya.
Pambuyo pazaka zachitukuko, pakadali pano, mchenga wa quartz nthawi zambiri umagawidwa kukhala mchenga wamba wa quartz, mchenga woyengedwa wa quartz, mchenga wa quartz wapamwamba kwambiri, mchenga wa quartz wosakanikirana ndi ufa wa silika m'makampani.
Mchenga wamba wa quartz
Nthawi zambiri, ndizinthu zosefera madzi zopangidwa ndi miyala yachilengedwe ya quartz pambuyo pophwanya, kutsuka, kuyanika ndikuwunika kwachiwiri; SiO2 ≥ 90-99%, Fe2O3 ≤ 0.06-0.02%. Zosefera sizimawongoleredwa, kusachulukira kwakukulu, mphamvu zamakina apamwamba, komanso moyo wautali wautumiki wa mzere wonyamulira mphamvu. Ndi zinthu za mankhwala madzi mankhwala. Itha kugwiritsidwa ntchito muzitsulo, graphite silicon carbide, galasi ndi galasi, enamel, zitsulo zotayidwa, koloko, mankhwala, phokoso la ndege ndi mafakitale ena.
Mchenga wa quartz woyengedwa
SiO2 ≥ 99-99.5%, Fe2O3 ≤ 0.005%, yopangidwa ndi mchenga wa quartz wapamwamba kwambiri, wosankhidwa mosamala ndi wokonzedwa. Cholinga chake chachikulu ndi kupanga asidi- zosagwira konkire ndi matope popanga galasi, zipangizo refractory, smelting ferrosilicon, metallurgical flux, zoumba, abrasive zipangizo, kuponyera akamaumba khwatsi mchenga, etc. Nthawi zina woyengedwa khwatsi mchenga amatchedwanso asidi otsukidwa khwatsi mchenga mu makampani.
Mchenga wagalasi
Mchenga wapamwamba kwambiri wa quartz umapangidwa ndi miyala yamtengo wapatali ya quartz kudzera m'njira zingapo. Pakalipano, makampaniwa sanakhazikitse muyeso wogwirizana wa mafakitale wa mchenga wa quartz woyeretsedwa kwambiri, ndipo tanthauzo lake silimveka bwino, koma kawirikawiri, mchenga wa quartz woyengedwa kwambiri umatanthawuza mchenga wa quartz wokhala ndi SiO2 woposa 99.95% kapena wapamwamba. , Fe2O3 zili zosakwana 0.0001%, ndi Al2O3 zosakwana 0.01%. Mchenga wa quartz woyeretsedwa kwambiri umagwiritsidwa ntchito kwambiri pamagetsi opangira magetsi, optical fiber communications, maselo a dzuwa, maulendo ophatikizika a semiconductor, zida zowoneka bwino, ziwiya zamankhwala, ndege ndi mafakitale ena apamwamba kwambiri.
Microsilica
Silicon micro-ufa ndi wopanda poizoni, wopanda fungo komanso wopanda kuipitsa silicon dioxide ufa wopangidwa kuchokera ku crystalline quartz, quartz yosakanikirana ndi zinthu zina zopangira pogaya, kuyika bwino, kuchotsa zinyalala, kutentha kwambiri kwa spheroidization ndi njira zina. Ndizinthu zopanda zitsulo zopanda zitsulo zomwe zili ndi zinthu zabwino kwambiri monga kukana kutentha kwakukulu, kutsekemera kwakukulu, kutsika kwa mzere wowonjezera komanso kutsekemera kwabwino kwamafuta.
Mchenga wa quartz wosakanikirana
Mchenga wa quartz wosungunuka ndi amorphous (gawo lagalasi) la SiO2. Ndi mtundu wagalasi wokhala ndi mphamvu, ndipo mawonekedwe ake a atomiki ndiatali komanso osokonezeka. Imawongolera kutentha kwake ndi kutsika kwamphamvu kowonjezera kwamafuta kudzera pamalumikizidwe amitundu itatu. SiO2>99% yosankhidwa yapamwamba kwambiri imaphatikizidwa mu ng'anjo yamagetsi yamagetsi kapena ng'anjo yolimbana ndi kutentha kwa 1695-1720 ℃. Chifukwa cha kukhuthala kwakukulu kwa SiO2 kusungunuka, komwe kuli 10 mpaka 7 mphamvu Pa · s pa 1900 ℃, sikungapangidwe mwa kuponyera. Pambuyo pozizira, thupi lagalasi limakonzedwa, kupatukana kwa maginito, kuchotsa zonyansa ndikuwunika kuti apange mchenga wa quartz wosakanikirana wamitundu yosiyanasiyana komanso ntchito.
Mchenga wa quartz wosakanikirana uli ndi ubwino wokhala ndi kutentha kwabwino, kuyera kwakukulu, kukhazikika kwa mankhwala, kugawa kwa tinthu ting'onoting'ono, ndi kuwonjezereka kwa kutentha kwapafupi ndi 0. Ikhoza kugwiritsidwa ntchito ngati zodzaza m'mafakitale a mankhwala monga zokutira ndi zokutira, komanso ndilo lalikulu kwambiri. zopangira kwa epoxy utomoni kuponyera, zipangizo kusindikiza pakompyuta, kuponyera zipangizo, zipangizo refractory, galasi ceramic ndi mafakitale ena.
03 Mchenga wa quartz pazolinga zosiyanasiyana
Mchenga wochepa wachitsulo wa galasi la photovoltaic (magnetic drum magnetic separator)
Galasi ya Photovoltaic nthawi zambiri imagwiritsidwa ntchito ngati gulu loyika ma module a photovoltaic, omwe amagwirizana mwachindunji ndi chilengedwe chakunja. Kukhazikika kwake kwa nyengo, mphamvu, kutulutsa kuwala ndi zizindikiro zina zimagwira ntchito yofunika kwambiri pa moyo ndi nthawi yayitali yopangira mphamvu zamagetsi za photovoltaic modules. Iyoni yachitsulo yomwe ili mumchenga wa quartz ndiyosavuta kuyidaya. Pofuna kuonetsetsa kuti galasi loyambirira likuyenda bwino, chitsulo cha galasi la photovoltaic chiyenera kukhala chochepa kusiyana ndi galasi wamba, ndipo mchenga wa quartz wochepa wachitsulo wokhala ndi silicon chiyero ndi zonyansa zochepa ziyenera kugwiritsidwa ntchito.
Mchenga wapamwamba kwambiri wa quartz wa photovoltaic
Kutulutsa mphamvu kwa dzuwa kwa photovoltaic kwakhala njira yokondedwa yogwiritsira ntchito mphamvu za dzuwa, ndipo mchenga wa quartz woyeretsa kwambiri uli ndi ntchito yofunika kwambiri pamakampani a photovoltaic. Zida za quartz zomwe zimagwiritsidwa ntchito pamakampani a photovoltaic zikuphatikizapo quartz ceramic crucibles for solar silicon ingots, komanso mabwato a quartz, machubu a ng'anjo ya quartz ndi mabatani a mabwato omwe amagwiritsidwa ntchito pofalitsa ndi oxidation ya photovoltaic kupanga ndondomeko, ndi ndondomeko ya PECVD. Mwa iwo, ma crucible a quartz amagawidwa kukhala masikweya a quartz crucibles okulitsa silicon ya polycrystalline ndi zozungulira za quartz zokulitsa silicon ya monocrystalline. Ndizomwe zimagwiritsidwa ntchito pakukula kwa ma silicon ingots ndipo ndi zida za quartz zomwe zimafunikira kwambiri pamakampani a photovoltaic. Zopangira zazikulu za quartz crucible ndi mchenga wa quartz woyeretsedwa kwambiri.
Mchenga wamba
Mwala wa quartz uli ndi mphamvu zoletsa kuvala, kukana zikande, kukana kutentha, kukana dzimbiri komanso kulimba. Ili ndi pulasitiki yolimba ndipo imagwiritsidwa ntchito kwambiri. Ndichinthu chofananira m'mbiri ya chitukuko cha zida zomangira zopangira. Komanso pang'onopang'ono yakhala chokondedwa chatsopano pamsika wokongoletsa nyumba ndipo ndi yotchuka ndi ogula. Nthawi zambiri, 95% ~ 99% mchenga wa quartz kapena ufa wa quartz umamangirizidwa ndikukhazikika ndi utomoni, pigment ndi zina zowonjezera, kotero mtundu wa mchenga wa quartz kapena ufa wa quartz umatsimikizira kugwira ntchito kwa mbale yamwala ya quartz yochita kupanga mpaka pamlingo wina.
Ufa wa mchenga wa quartz womwe umagwiritsidwa ntchito pamakampani opanga mbale za quartz nthawi zambiri umapezeka kuchokera ku mitsempha ya quartz yapamwamba kwambiri ndi miyala ya quartzite kudzera kuphwanya, kuwunika, kupatukana kwa maginito ndi njira zina. Ubwino wa zida zopangira umakhudza mwachindunji mtundu wa quartz. Nthawi zambiri, quartz yomwe imagwiritsidwa ntchito popanga miyala ya quartz imagawidwa kukhala ufa wa mchenga wa quartz (5-100 mesh, womwe umagwiritsidwa ntchito ngati aggregate, kuphatikiza nthawi zambiri kumafuna ≥ 98% za silicon) ndi mchenga wa quartz (320-2500 mesh, womwe umagwiritsidwa ntchito podzaza ndi kuwonjezera). Pali zofunika zina za kuuma, mtundu, zonyansa, chinyezi, kuyera, etc.
Mchenga wa Foundry
Chifukwa chakuti quartz imakhala ndi kulimba kwamoto komanso kuuma kwake, komanso luso lake labwino kwambiri laukadaulo limatha kukwaniritsa zofunika zosiyanasiyana popanga, silingagwiritsidwe ntchito popanga mchenga wadongo wamba, komanso kuumba kwapamwamba komanso kupanga mapangidwe apamwamba monga mchenga wa resin ndi wokutidwa. mchenga, kotero mchenga wa quartz umagwiritsidwa ntchito kwambiri popanga kupanga.
Mchenga wotsuka ndi madzi: Ndi mchenga waiwisi woponyera mchenga wachilengedwe wa silika watsukidwa ndikuwuyika.
Mchenga wokolopa: mtundu wa mchenga waiwisi woponyera. Mchenga wachilengedwe wa silika watsukidwa, kutsukidwa, kuumitsidwa, ndipo matope amakhala osakwana 0.5%.
Mchenga wouma: Mchenga wouma wokhala ndi madzi otsika komanso zosafunika zochepa umapangidwa pogwiritsa ntchito madzi apansi apamtunda aukhondo monga gwero la madzi, pambuyo pa kupukuta katatu ndi kupukuta kasanu ndi kamodzi, kenaka kuyanika pa 300 ℃ - 450 ℃. Amagwiritsidwa ntchito makamaka popanga mchenga wokutidwa wapamwamba kwambiri, komanso mankhwala, zokutira, kugaya, zamagetsi ndi mafakitale ena.
Mchenga wokutidwa: filimu ya utomoni wokutidwa ndi phenolic resin pamwamba pa mchenga wothira.
Mchenga wa silika womwe umagwiritsidwa ntchito poponya ndi 97.5% ~ 99.6% (kuphatikiza kapena kuchotsera 0.5%), Fe2O3<1%. Mchenga ndi wosalala komanso woyera, wokhala ndi silt <0.2 ~ 0.3%, coefficient angular <1.35 ~ 1.47, ndi madzi <6%.
Mchenga wa quartz pazolinga zina
Ceramic field: 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 ndi 1 ~ 0.005mm.
Zida zokana: SiO2 ≥ 97.5%, Al2O3 ∈ 0.7 ~ 0.3%, Fe2O3 ∈ 0.4 ~ 0.1%, H2O ≤ 0.5%, kachulukidwe kake 1.9 ~ 2.1g / m3, liner chochuluka kachulukidwe / ~ 5m3 tinthu 1. 0.021 mm.
Metalurgical field:
① Mchenga wonyezimira: mchenga uli ndi kuzungulira bwino, palibe m'mphepete ndi ngodya, kukula kwa tinthu ndi 0.8 ~ 1.5mm, SiO2 ~ 98%, Al2O3 ＜ 0.72%, Fe2O3 ＜ 0.18%.
② Kuphulika kwa mchenga: makampani opanga mankhwala nthawi zambiri amagwiritsa ntchito mchenga kuti achotse dzimbiri. SiO2 ＞ 99.6%, Al2O3 ＜ 0.18%, Fe2O3 ＜ 0.02%, kukula kwa tinthu 50 ~ 70 mauna, mawonekedwe ozungulira tinthu, kuuma kwa Mohs 7.
Munda wa abrasive: Zofunikira za mchenga wa quartz zomwe zimagwiritsidwa ntchito ngati abrasive ndi SiO2 ＞ 98%, Al2O3 ＜ 0.94%, Fe2O3 ＜ 0.24%, CaO ＜ 0.26%, ndi kukula kwa tinthu 0.5~0.8mm.
Nthawi yotumiza: Feb-04-2023