Kulowa m'dziko laukadaulo la green silicon carbide micropowder
Pa tebulo la labotale ya fakitale ku Zibo, Shandong, katswiri waukatswiri a Lao Li akutola ufa wobiriwira wa emarodi wokhala ndi ma tweezers. "Izi zikufanana ndi zida zitatu zomwe zatumizidwa kunja kwa msonkhano wathu." Anayang'anitsitsa ndikumwetulira. Mtundu wa emarodi ndi wobiriwira wa silicon carbide micropowder wotchedwa "mano a mafakitale". Kuchokera pakudula magalasi a photovoltaic mpaka kukupera kwa magawo a chip, zinthu zamatsengazi zomwe zili ndi tinthu ting'onoting'ono zosakwana zana limodzi la tsitsi zikulemba nthano yake pankhondo ya sayansi ndi luso lamakono.
1. Khodi yaukadaulo yakuda mumchenga
Kuyenda mumsonkhano wopanga wagreen silicon carbide micropowder, zomwe zimakugundani si fumbi lolingaliridwa, koma mathithi obiriwira okhala ndi zitsulo zonyezimira. Ma ufa awa okhala ndi tinthu tating'onoting'ono tokhala ndi ma microns atatu (ofanana ndi tinthu ta PM2.5) amakhala ndi kuuma kwa 9.5 pamlingo wa Mohs, wachiwiri ndi diamondi. Bambo Wang, mkulu wa luso la kampani ku Luoyang, Henan, ali ndi luso lapadera: gwirani pang'onopang'ono micropowder ndikuwawaza pa pepala la A4, ndipo mukhoza kuona mawonekedwe a kristalo okhazikika a hexagonal ndi galasi lokulitsa. "Makristasi okhawo okhala ndi kukwanira kopitilira 98% angatchulidwe kuti ndi zinthu zapamwamba kwambiri. Izi ndizovuta kwambiri kuposa mpikisano wa kukongola." Anatero posonyeza zithunzi zazing'ono pa lipoti loyendera khalidwe.
Koma kusandutsa miyala kukhala mpainiya waukadaulo, luso lachilengedwe lokha silikwanira. "Tekinoloje yophwanyira njira" yomwe labotale ya m'chigawo cha Jiangsu idadutsa chaka chatha idakulitsa luso la kudula ufa wocheperako ndi 40%. Iwo ankalamulira mphamvu yamagetsi yamagetsi yamagetsi ya crusher kuti ikakamize kristaloyo kuti iphwanyike pamtunda wina wa kristalo. Mofanana ndi “kuombera ng’ombe paphiri paphiri” m’mabuku a karati, kusweka kooneka ngati koopsa kumabisa kulamulira kwenikweni kwa mamolekyu. Ukadaulo uwu utatha, kuchuluka kwa zokolola za magalasi a photovoltaic kudakwera kuchokera 82% mpaka 96%.
2. Kusintha kosawoneka pamalo opangira
Pamalo opangira zinthu ku Xingtai, Hebei, ng'anjo yansanjika zisanu ikuyaka moto wonyezimira. Pomwe kutentha kwa ng'anjo kunawonetsa 2300 ℃, katswiri Xiao Chen adakanikiza batani la chakudya. "Pakadali pano, kuwaza mchenga wa quartz kuli ngati kuwongolera kutentha pophika." Analoza pa curve spectrum pawonetsero ndikufotokozera. Dongosolo lamakono lowongolera lanzeru limatha kusanthula zomwe zili mu ng'anjo 17 munthawi yeniyeni ndikusinthiratu chiŵerengero cha carbon-silicon. Chaka chatha, dongosololi linalola kuti mtengo wawo wamtengo wapatali udutse chizindikiro cha 90%, ndipo mulu wa zinyalala unachepetsedwa mwachindunji ndi magawo awiri pa atatu.
M'malo opangira ma grading, makina osinthira ma turbine airflow ndi mainchesi eyiti akupanga "kuwotcha golide munyanja yamchenga". “Njira yosankha ya magawo atatu a mbali zinayi” yopangidwa ndi kampani ya Fujian imagawa ma micropowder m’magiredi 12 posintha liwiro la kutuluka kwa mpweya, kutentha, chinyezi, ndi mtengo. Ma mesh abwino kwambiri a 8000 amagulitsidwa pamtengo wopitilira 200 yuan pa gramu, omwe amadziwika kuti "Hermes mu ufa". Woyang'anira msonkhanowu a Lao Zhang adaseka ndi zitsanzo zomwe zidangotuluka kumene: "Izi zikatayika, zimakhala zowawa kuposa kutaya ndalama."
3. Nkhondo yamtsogolo yakupanga kwanzeru zobiriwira
Tikayang'ana mmbuyo pa mphambano yaukadaulo ndi mafakitale, nkhani ya green silicon carbide micropowder ili ngati mbiri yosinthika ya dziko losawoneka bwino. Kuchokera ku mchenga ndi miyala kupita ku zipangizo zamakono, kuchokera kumalo opangira zinthu kupita ku nyenyezi ndi nyanja, kukhudza kobiriwira kumeneku kumalowa mu capillaries zamakono zamakono. Monga momwe wotsogolera kafukufuku ndi chitukuko wa BOE anati: "Nthawi zina si zimphona zomwe zimasintha dziko, koma tinthu ting'onoting'ono tomwe sungawone." Pamene makampani ambiri ayamba kufufuza dziko losawoneka bwino kwambiri ili, mwina mbewu za kusintha kwaukadaulo kotsatira zimabisika mu ufa wonyezimira wobiriwira pamaso pathu.