Lu'u-lu'u foda na cikin gida tare da ƙari | nau'in lu'u-lu'u guda ɗaya na lu'u-lu'u a matsayin albarkatun kasa, amma | nau'in abun ciki mai ƙazanta mai girma, ƙarancin ƙarfi, za'a iya amfani da shi kawai cikin buƙatar samfurin kasuwa mai ƙarancin ƙarewa. Wasu ƴan masana'antun lu'u-lu'u na cikin gida suna amfani da nau'in I1 ko nau'in Sichuan nau'in lu'u-lu'u guda ɗaya a matsayin albarkatun kasa don samar da lu'u-lu'u, ingancin sarrafa shi ya fi girma fiye da lu'u-lu'u na yau da kullum, wanda zai iya biyan bukatun kasuwa mai mahimmanci. Diamond foda high taurin, mai kyau lalacewa juriya, yadu amfani a yankan, nika, hakowa, polishing da sauran filayen. Tare da ci gaba da ci gaban kimiyya da fasaha, kasuwa na buƙatun foda na lu'u-lu'u yana karuwa kuma ya fi girma, kuma abubuwan da ake bukata suna girma da girma. Don foda lu'u-lu'u, adadin ƙazanta a cikin lu'u-lu'u lu'u-lu'u yana rinjayar ingancin samfurin da aikin foda.
Nau'in lalacewa
Rashin ƙazanta na foda lu'u-lu'u yana nufin abubuwan da ba na carbon ba a cikin foda na lu'u-lu'u, wanda za'a iya raba shi zuwa ƙazanta na waje da ƙazanta na ciki. Abubuwan ƙazanta na waje suna gabatar da su ta hanyar albarkatun ƙasa da tsarin samarwa, gami da silicon, ƙarfe, nickel, calcium, magnesium da cadmium; da ciki impurities na barbashi an gabatar a cikin kira tsari na lu'u-lu'u, yafi ciki har da baƙin ƙarfe, nickel, cobalt, manganese, cadmium, jan karfe, da dai sauransu Najasa a cikin lu'u-lu'u foda zai shafi surface Properties na foda barbashi, sabõda haka, samfurin ba sauki tarwatsa. Iron, nickel da sauran ƙazanta kuma za su sa samfurin ya samar da digiri daban-daban na maganadisu, aikace-aikacen foda.
, Hanyar gano kazanta
Akwai hanyoyin gano ƙazanta da yawa na lu'u lu'u lu'u-lu'u hanyoyin gano abubuwan da ke cikin ƙazanta, gami da hanyar nauyi, ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun atomic, spectroscopy na atomic, da sauransu, ana iya zaɓar hanyoyin gano daban-daban bisa ga buƙatu daban-daban.
bincike na gravimetric
Hanyar nauyi ta dace da bincike da gano jimlar abubuwan da ke cikin najasa (ban da abubuwa masu ƙonewa a zafin jiki mai ƙonewa). Babban kayan aiki ya hada da mafer makera, analytical balance, ain crcible, bushewa, da dai sauransu A gwajin Hanyar ga najasa abun ciki a cikin micropowder samfurin misali ne high zafin jiki kona asarar hanya: samfurin bisa ga tanadi da kuma kai da gwajin samfurin a cikin crucible tare da m nauyi, sanya crucible dauke da samfurin da za a gwada a cikin tanderun da 1000 ℃ ℃ ℃ ℃ ℃ ℃ a cikin tanderu da m 1000 ℃ ℃. ragowar nauyin nauyi daban-daban, kuma ana ƙididdige adadin nauyin.
2, Atomical emission spectrometry, atomic absorption spectroscopy
Atomic emission spectroscopy da atomic absorption spectroscopy sun dace da ƙididdigar ƙima da ƙididdiga na abubuwan ganowa.
(1) Atomic emission spectrometry: hanya ce ta nazari don ƙididdige ƙididdigewa ko ƙididdige ƙididdige ƙimar sifa ta layin radiation da aka samar ta hanyar canjin lantarki daga makamashin waje na abubuwa daban-daban na sinadarai. Hanyar fitar da atomic ta ba da damar yin nazarin abubuwa kusan 70. Gabaɗaya, ma'aunin abubuwan da ke ƙasa da 1% na iya auna daidai abubuwan gano matakin ppm a cikin lu'u-lu'u foda. Wannan hanya ita ce farkon samarwa da haɓakawa a cikin binciken gani. Atomic watsi spectrometry yana taka muhimmiyar rawa a cikin ƙididdige ƙididdiga da ƙididdiga na kayan zamani daban-daban. Yana da abũbuwan amfãni daga Multi-elements lokaci guda ganewa ikon, sauri bincike gudun, low gano iyaka da high daidaito.
(2) Atomic absorption spectroscopy: lokacin da radiyon da wani takamaiman haske ke fitarwa ya wuce ta tururin atomic na sinadarin da za a auna shi, ana iya shanye shi ta hanyar atom na ƙasa, kuma ana iya auna ma'aunin sha don bincike na farko.
Atomic absorption spectrometry kuma yana iya haɗawa da juna kuma ba za a iya maye gurbinsa da juna ba.
3. Abubuwan da ke shafar ma'auni na ƙazanta
1. Tasirin ƙarar ƙima akan ƙimar gwajin
A aikace, an gano cewa adadin samfurin lu'u-lu'u foda yana da tasiri mai yawa akan sakamakon gwajin. Lokacin da adadin samfurin ya kasance 0.50g, matsakaicin karkatar da gwajin yana da girma; lokacin da adadin samfurin ya kasance 1.00g, matsakaicin matsakaici yana ƙarami; lokacin da adadin samfurin ya kasance 2.00g, ko da yake ƙetare ƙananan ƙananan, lokacin gwajin yana ƙaruwa kuma ingancin ya ragu. Sabili da haka, yayin aunawa, haɓaka adadin samfurin a makance ba lallai ba ne ya inganta daidaito da kwanciyar hankali na sakamakon bincike, amma kuma zai ƙara tsawaita lokacin aiki sosai kuma ya rage ingancin aikin.
2. Tasirin girman barbashi akan abun cikin najasa
Mafi kyawun barbashi na lu'u-lu'u, mafi girman ƙazanta a cikin foda. A talakawan barbashi size ne 3um a cikin lafiya lu'u-lu'u foda a samar, saboda da lafiya barbashi size, wasu acid da tushe insoluble kayan gauraye a albarkatun kasa ba sauki a raba, don haka shi settles a cikin lafiya barbashi foda, don haka kara abun ciki na impurities. Haka kuma, da mafi lafiya da barbashi size, da more a cikin masana'antu tsari, da mafi ƙazantar a cikin waje, kamar dispersant, daidaita ruwa, samar da yanayi na ƙura ƙazantar ƙazantar a cikin binciken foda samfurin ƙazantar abun ciki gwajin, mun gano cewa fiye da 95% na m-grained lu'u-lu'u foda kayayyakin, da najasa abun ciki a kasa 0.50%, da najasa abun ciki a kasa 0.50% foda, fiye da 95% foda abun ciki fiye da 95% foda. 1.00%. Sabili da haka, a cikin sarrafa ingancin foda, foda mai kyau ya kamata ya zama ƙasa da 1.00%; abun ciki na ƙazanta na 3um ya kamata ya zama ƙasa da 0.50%; kuma ya kamata a kiyaye wurare na goma sha biyu bayan bayanan abun ciki na ƙazanta a cikin ma'auni. Domin tare da ci gaban fasahar masana'antar foda, abubuwan da ke cikin ƙazanta a cikin foda za su ragu a hankali, babban ɓangaren ƙazanta na ƙazantaccen foda yana ƙasa da 0.10%, idan kawai wuri ɗaya na decimal yana riƙe, ingancinsa ba zai iya bambanta sosai ba.
An samo wannan labarin daga "superhard abu cibiyar sadarwa"
Lokacin aikawa: Maris 20-2025
