Kulowa m'dziko laukadaulo la green silicon carbide micropowder
Pa tebulo la labotale la fakitale ku Zibo, Shandong, katswiri Lao Li akutola ufa wobiriwira wa emerald wokhala ndi ma tweezers. "Chinthuchi chikufanana ndi zida zitatu zochokera kunja zomwe zili mu workshop yathu." Anayang'ana modabwa ndikumwetulira. Mtundu wa emerald uwu ndi ufa wobiriwira wa silicon carbide micropowder womwe umadziwika kuti "mano a mafakitale". Kuyambira kudula galasi la photovoltaic mpaka kupukutira ma chip substrates, chinthu chamatsenga ichi chokhala ndi tinthu tating'onoting'ono tosakwana zana limodzi la tsitsi chikulemba nthano yake pankhondo ya sayansi ndi ukadaulo.
1. Khodi yaukadaulo wakuda mumchenga
Kulowa mu msonkhano wopanga zinthuufa wobiriwira wa silicon carbide micropowder, chomwe chimakukhudzani si fumbi longoganiziridwa, koma mathithi obiriwira okhala ndi kuwala kwachitsulo. Ufa uwu wokhala ndi tinthu tating'onoting'ono ta ma microns atatu okha (ofanana ndi tinthu ta PM2.5) uli ndi kuuma kwa 9.5 pa sikelo ya Mohs, yachiwiri pambuyo pa diamondi. Bambo Wang, mkulu waukadaulo wa kampani ku Luoyang, Henan, ali ndi luso lapadera: tengani ufa wochepa pang'ono ndikuupaka pa pepala la A4, ndipo mutha kuwona kapangidwe ka kristalo kokhazikika ka hexagonal ndi galasi lokulitsa. "Ma kristalo okha omwe ali ndi kukwanira kopitilira 98% ndi omwe angatchedwe zinthu zapamwamba kwambiri. Izi ndi zovuta kwambiri kuposa mpikisano wokongola." Anatero pamene akuwonetsa zithunzi zazing'onoting'ono pa lipoti lowunikira khalidwe.
Koma kusandutsa miyala kukhala njira yotsogola yaukadaulo, mphamvu zachilengedwe zokha sizokwanira. "Ukadaulo wophwanya mbali" womwe labotale ku Jiangsu Province idagwiritsa ntchito chaka chatha udawonjezera mphamvu yodula ufa waung'ono ndi 40%. Iwo adalamulira mphamvu yamagetsi ya crusher kuti akakamize kristalo kusweka pamlengalenga winawake wa kristalo. Monga "kuwombera ng'ombe kudutsa phiri" m'mabuku a zaluso zankhondo, kuphwanya makina komwe kumawoneka ngati kwamphamvu kumabisa kuwongolera kolondola kwa mulingo wa mamolekyulu. Ukadaulo uwu utakhazikitsidwa, kuchuluka kwa zokolola za kudula magalasi a photovoltaic kunakwera kuchokera pa 82% mpaka 96%.
2. Kusintha kosaoneka pamalo opangira zinthu
Pa malo opangira zinthu ku Xingtai, Hebei, ng'anjo ya arc ya zipinda zisanu ikutulutsa malawi owala kwambiri. Nthawi yomweyo kutentha kwa ng'anjo kukuwonetsa 2300℃, katswiri Xiao Chen adadina batani lothira. "Pakadali pano, kuwaza mchenga wa quartz kuli ngati kulamulira kutentha mukaphika." Analoza ku curve yodumphira pazenera lowunikira ndikufotokozera. Dongosolo lanzeru lolamulira la masiku ano limatha kusanthula zomwe zili mu ng'anjo nthawi yeniyeni ndikusintha zokha chiŵerengero cha carbon-silicon. Chaka chatha, dongosololi linalola kuti chiŵerengero chawo chapamwamba cha zinthu chidutse 90%, ndipo mulu wa zinyalala unachepetsedwa mwachindunji ndi magawo awiri mwa atatu.
Mu malo ochitira mayeso, makina okonzera mpweya wa turbine okhala ndi mainchesi asanu ndi atatu akuchita "kuyika golide m'nyanja yamchenga". "Njira yokonzera mpweya ya magawo atatu" yopangidwa ndi kampani ya Fujian imagawa ufa wa micropowder m'magawo 12 posintha liwiro la mpweya, kutentha, chinyezi, ndi mphamvu. Chogulitsa chabwino kwambiri cha maukonde 8000 chimagulitsidwa pamtengo woposa 200 yuan pa gramu, chodziwika kuti "Hermes mu ufa". Wotsogolera malo ochitira mayeso Lao Zhang adaseka ndi chitsanzo chomwe chidangotuluka kumene pamzere: "Ngati izi zitatayidwa, zidzakhala zopweteka kwambiri kuposa kutaya ndalama."
3. Nkhondo yamtsogolo yopangira zinthu zanzeru zobiriwira
Poganizira za kulumikizana kwa ukadaulo ndi mafakitale, nkhani ya ufa wobiriwira wa silicon carbide micropowder ili ngati mbiri yosinthika ya dziko laling'ono. Kuyambira mchenga ndi miyala mpaka zipangizo zamakono, kuyambira malo opangira zinthu mpaka nyenyezi ndi nyanja, kukhudza kobiriwira kumeneku kukulowa m'mitsempha yamagazi yamafakitale amakono. Monga momwe mkulu wofufuza ndi chitukuko wa BOE adanenera: "Nthawi zina si zimphona zomwe zimasintha dziko lapansi, koma tinthu tating'onoting'ono tomwe simungathe kuwona." Pamene makampani ambiri akuyamba kufufuza dziko laling'ono ili, mwina mbewu za kusintha kwaukadaulo kotsatira zimabisika mu ufa wobiriwira wonyezimira pamaso pathu.