Shiga duniyar fasaha ta micropowder mai launin kore na silicon carbide
A kan teburin dakin gwaje-gwaje na wata masana'anta da ke Zibo, Shandong, wani ma'aikacin fasaha Lao Li yana ɗaukar ɗan ƙaramin foda mai launin kore mai launin shuɗi. "Wannan abu yayi daidai da kayan aiki guda uku da aka shigo da su daga ƙasashen waje a cikin shagonmu." Ya yi murmushi ya yi murmushi. Wannan launin shuɗi mai launin shuɗi shine foda mai launin shuɗi mai launin shuɗi wanda aka sani da "haƙoran masana'antu". Daga yanke gilashin photovoltaic zuwa niƙa ƙananan abubuwa, wannan kayan sihiri mai girman barbashi ƙasa da kashi ɗaya cikin ɗari na gashi yana rubuta tatsuniyarsa a fagen yaƙin kirkire-kirkire na kimiyya da fasaha.
1. Lambar fasahar baƙar fata a cikin yashi
Tafiya cikin taron samar da kayayyaki nafoda mai siffar silicon carbide kore, abin da ke damunka ba ƙurar da aka yi tunaninta ba ce, amma ruwan koren ruwa mai sheƙi na ƙarfe. Waɗannan foda masu matsakaicin girman barbashi na microns 3 kawai (daidai da barbashi na PM2.5) suna da tauri na 9.5 akan sikelin Mohs, na biyu bayan lu'u-lu'u. Mista Wang, darektan fasaha na wani kamfani a Luoyang, Henan, yana da ƙwarewa ta musamman: ɗauki ɗan ƙaramin foda a yayyafa shi a kan takarda A4, kuma za ku iya ganin tsarin lu'u-lu'u mai siffar hexagonal na yau da kullun tare da gilashin ƙara girma. "Kwalli ne kawai masu cikawa fiye da kashi 98% za a iya kiransu samfura masu inganci. Wannan ya fi tsauri fiye da gasar kyau." Ya ce yayin da yake nuna hotunan ƙananan a cikin rahoton binciken inganci.
Amma mayar da tsakuwa ta zama wata babbar hanyar fasaha, albarkatun halitta kawai ba su isa ba. "Fasahar niƙawa ta hanya" da wani dakin gwaje-gwaje a lardin Jiangsu ya bi a bara ta ƙara ingancin yanke ƙananan foda da kashi 40%. Sun sarrafa ƙarfin filin lantarki na na'urar niƙa don tilasta wa lu'ulu'u ya fashe tare da wani takamaiman jirgin lu'ulu'u. Kamar "harbi saniya a kan dutse" a cikin littattafan fasahar yaƙi, murƙushewar injiniya mai ƙarfi a zahiri yana ɓoye madaidaicin matakin ƙwayoyin cuta. Bayan an aiwatar da wannan fasaha, yawan amfanin da ake samu na yanke gilashin photovoltaic ya tashi kai tsaye daga kashi 82% zuwa 96%.
2. Juyin juya hali mara ganuwa a wurin masana'antu
A sansanin samar da kayayyaki da ke Xingtai, Hebei, wani tanderu mai hawa biyar yana fitar da harshen wuta mai haske. Da zarar zafin wutar ya nuna 2300℃, ma'aikacin fasaha Xiao Chen ya danna maɓallin ciyarwa da ƙarfi. "A wannan lokacin, yayyafa yashi mai siffar quartz kamar sarrafa zafi ne lokacin dafa abinci." Ya nuna lanƙwasa mai tsalle a kan allon sa ido kuma ya yi bayani. Tsarin sarrafawa mai wayo na yau zai iya nazarin abubuwan da ke cikin tanderun a ainihin lokaci kuma ya daidaita rabon carbon-silicon ta atomatik. A bara, wannan tsarin ya ba da damar ƙimar samfurin su ta wuce maki 90%, kuma tarin sharar ya ragu da kashi biyu bisa uku kai tsaye.
A cikin bitar tantancewa, injin rarraba iskar turbine mai diamita na mita takwas yana yin "zubar da zinare a cikin tekun yashi". "Hanyar rarrabawa mai matakai uku masu girma huɗu" da wani kamfanin Fujian ya ƙirƙira ta raba micropowder zuwa matakai 12 ta hanyar daidaita saurin iska, zafin jiki, danshi, da caji. Mafi kyawun samfurin raga na 8000 ana sayar da shi akan fiye da yuan 200 a kowace gram, wanda aka sani da "Hermes a cikin foda". Daraktan bitar Lao Zhang ya yi barkwanci da samfurin da ya fito daga layin: "Idan an zubar da wannan, zai fi zafi fiye da zubar da kuɗi."
3. Yaƙin nan gaba na masana'antar kere-kere masu wayo
Idan aka waiwaya baya ga mahadar fasaha da masana'antu, labarin ƙaramin foda na silicon carbide mai launin kore yana kama da tarihin juyin halitta na duniyar ƙananan halittu. Daga yashi da tsakuwa zuwa kayan zamani, daga wuraren masana'antu zuwa taurari da teku, wannan taɓawar kore tana shiga cikin capillaries na masana'antar zamani. Kamar yadda wani darektan bincike da ci gaba na BOE ya ce: "Wani lokaci ba manyan mutane ne ke canza duniya ba, amma ƙananan ƙwayoyin da ba za ku iya gani ba." Yayin da ƙarin kamfanoni suka fara zurfafa cikin wannan duniyar ƙananan halittu, wataƙila zuriyar juyin juya halin fasaha na gaba suna ɓoye a cikin foda mai haske a gaban idanunmu.