{"id":121792,"date":"2022-11-22T10:27:25","date_gmt":"2022-11-22T02:27:25","guid":{"rendered":"https:\/\/www.alpapowder.com\/121792\/"},"modified":"2022-11-22T10:27:26","modified_gmt":"2022-11-22T02:27:26","slug":"mikro-silika-dumaninin-yuksek-katma-degerli-kullanimi","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/tr\/121792\/","title":{"rendered":"Mikro silika duman\u0131n\u0131n y\u00fcksek katma de\u011ferli kullan\u0131m\u0131"},"content":{"rendered":"

\"\"<\/p>\n

Mikro silika duman\u0131, tozalt\u0131 ark oca\u011f\u0131nda ferrosilikon ala\u015f\u0131m\u0131 ve metal silikon \u00fcretimi s\u0131ras\u0131nda olu\u015fan Si ve SiO gaz\u0131n\u0131n olu\u015fturdu\u011fu, bacadaki hava ile oksitlenen ve h\u0131zla yo\u011funla\u015fan tozdur, ayn\u0131 zamanda silis duman\u0131 (veya yo\u011funla\u015ft\u0131r\u0131lm\u0131\u015f silika) olarak da bilinir. duman). \u00c7evre koruman\u0131n g\u00fc\u00e7lendirilmesiyle, mikro silikon duman \u00e7\u0131k\u0131\u015f\u0131 her y\u0131l artmaktad\u0131r. Direkt olarak de\u015farj edilmesi veya \u00e7\u00f6pe at\u0131lmas\u0131 halinde \u00e7evre kirlili\u011fine ve kaynak israf\u0131na neden olacakt\u0131r. Bu nedenle, bu devasa miktarlardaki mikro silikon duman\u0131n\u0131n nas\u0131l kaynaklanaca\u011f\u0131 ve kullan\u0131laca\u011f\u0131, ferrosilikon eritme i\u015fletmeleri i\u00e7in acil bir sorun haline geldi. Sorun.<\/p>\n

Mikro silis duman\u0131, ferrosilikon ve metal silikon eritme i\u015fleminin bir yan \u00fcr\u00fcn\u00fcd\u00fcr. M\u00fckemmel ve b\u00fcy\u00fcl\u00fc \u00f6zelliklerinden dolay\u0131 metal\u00fcrjik peletler, \u00f6zel beton, \u00f6zel \u00e7imento, refrakter malzemeler, kimyasal \u00fcr\u00fcnler ve di\u011fer alanlarda yayg\u0131n olarak kullan\u0131lmaktad\u0131r.<\/p>\n

1. Silis duman\u0131n\u0131n \u00f6zellikleri<\/p>\n

Mikro silika duman\u0131n\u0131n ana kimyasal bile\u015fimi, SiO2<\/a>‘nin esas olarak kristal olmayan fazda (veya amorf SiO2) bulundu\u011fu, \u226580% i\u00e7eri\u011fi, daha az kirlilik bile\u015feni, 20-28\u33a1\/20-28\u33a1\/ \u00f6zg\u00fcl y\u00fczey alan\u0131 olan SiO2’dir. g ve 10\u03bcm’den k\u00fc\u00e7\u00fck bir partik\u00fcl boyutu %80’den fazlas\u0131n\u0131 hesaba katar, y\u00fcksek kimyasal aktiviteye sahiptir, alkali ile reaksiyona girmesi kolayd\u0131r ve hafiflik, y\u00fcksek refrakterlik ve g\u00fc\u00e7l\u00fc aktivite \u00f6zelliklerine sahiptir. \u0130n\u015faat, refrakter malzemeler, metal\u00fcrji, seramik, kimya sanayi ve di\u011fer alanlarda yayg\u0131n olarak kullan\u0131lmaktad\u0131r.<\/p>\n

2. Silika duman\u0131n\u0131n tehlikeleri<\/p>\n

Mikrosilika tozu bir t\u00fcr ince, hafif ve kolayca y\u00fczen solunabilir par\u00e7ac\u0131klard\u0131r. Do\u011frudan bo\u015falt\u0131l\u0131rsa, tozun yerle\u015fmesinin zorla\u015fmas\u0131na neden olur.
\nHavada s\u00fcz\u00fclerek insan sa\u011fl\u0131\u011f\u0131n\u0131 ve \u00e7evreyi ciddi \u015fekilde etkiler. Mikrosilika toz par\u00e7ac\u0131klar\u0131 insan v\u00fccudu taraf\u0131ndan solunduktan sonra do\u011frudan akci\u011ferlere girerek akci\u011fer kanserine ve di\u011fer toz hastal\u0131klar\u0131na neden olabilir.<\/p>\n

3. Mikro silika duman\u0131n\u0131n katma de\u011feri y\u00fcksek kullan\u0131m\u0131<\/p>\n

Genel olarak konu\u015fursak, silis duman\u0131ndaki SiO2<\/a> derecesi ne kadar y\u00fcksekse, katma de\u011feri de o kadar y\u00fcksektir.<\/p>\n

(1) Beton end\u00fcstrisinde kullan\u0131l\u0131r<\/p>\n

Silika duman\u0131 ile kar\u0131\u015ft\u0131r\u0131lan beton, y\u00fcksek mukavemet, iyi yap\u0131\u015fma ve kohezyon performans\u0131 \u00f6zelliklerine sahiptir ve kal\u0131plama kal\u0131nl\u0131\u011f\u0131n\u0131 art\u0131rabilir. Uzun a\u00e7\u0131kl\u0131kl\u0131 k\u00f6pr\u00fcler ve a\u00e7\u0131k deniz petrol sondaj platformlar\u0131 gibi su koruma ve hidroelektrik projelerinde, mikro silika duman\u0131 katk\u0131l\u0131 beton, s\u0131z\u0131nt\u0131 \u00f6nleyici, korozyon direncini ve a\u015f\u0131nma direncini art\u0131rabilir. Yol yap\u0131m s\u00fcrecinde, mikro silika duman\u0131, betonun erken mukavemetini ve a\u015f\u0131nma direncini b\u00fcy\u00fck \u00f6l\u00e7\u00fcde art\u0131rabilir.<\/p>\n

(2) \u00c7imento katk\u0131s\u0131 olarak<\/p>\n

Mikrosilika duman\u0131, \u00f6zel \u00e7imento \u00fcretimi i\u00e7in harmanlama malzemesi olarak kullan\u0131l\u0131r. Silika duman\u0131 ile kar\u0131\u015ft\u0131r\u0131lan \u00f6zel \u00e7imento, s\u0131radan betonun 2-3 kat\u0131 olan yo\u011fun beton haline getirilebilir. \u0130yi a\u015f\u0131nma direncine, korozyon direncine, ge\u00e7irimsizli\u011fe, izolasyona, donma direncine ve klor\u00fcr iyonlar\u0131na kar\u015f\u0131 dirence sahiptir. engelleme performans\u0131 vb.<\/p>\n

(3) Refrakter end\u00fcstrisinde kullan\u0131l\u0131r<\/p>\n

Mikro silika tozu, y\u00fcksek refrakterlik gibi m\u00fckemmel \u00f6zelliklere sahiptir ve refrakter end\u00fcstrisinde yayg\u0131n olarak kullan\u0131lmaktad\u0131r. Esas olarak y\u00fcksek s\u0131cakl\u0131k seramikleri, pota malzemeleri, y\u00fcksek s\u0131cakl\u0131k a\u015f\u0131nmaya dayan\u0131kl\u0131 malzemeler, nefes alabilen tu\u011flalar ve refrakter d\u00f6k\u00fclebilir malzemeler haz\u0131rlamak i\u00e7in kullan\u0131l\u0131r.<\/p>\n

(4) Metalurjik peletler<\/p>\n

Metalurji end\u00fcstrisinde \u00e7o\u011fu i\u015fletme, geri d\u00f6n\u00fc\u015f malzemesi olarak mikro silikon duman\u0131 kullan\u0131r. Elektrikli f\u0131r\u0131n red\u00fcksiyonu ve silisyumun eritilmesi i\u00e7in hammadde olarak silis ve mikro silika duman\u0131 kar\u0131\u015f\u0131k peletlerin kullan\u0131lmas\u0131, birim \u00fcr\u00fcn ba\u015f\u0131na normal silikon geri kazan\u0131m oran\u0131 ve sabit enerji t\u00fcketimi sa\u011flayabilir. Silika duman\u0131n\u0131 suyla \u0131slat\u0131n ve kavurmadan veya kurutmadan elektrikli bir f\u0131r\u0131nda do\u011frudan indirgenebilen ve eritilebilen yakla\u015f\u0131k 4 cm’lik bir pelet olu\u015fturmak i\u00e7in bir pelet yap\u0131n. Peletler ayr\u0131ca y\u00fcksek s\u0131cakl\u0131kta sinterlenebilir, sinterleme i\u015flemi s\u0131ras\u0131nda patlama gibi sorunlar ya\u015fanmaz ve \u00fcr\u00fcn sinterlenmi\u015f cevher y\u00fcksek mukavemete sahiptir.<\/p>\n

(5) Nano-silikan\u0131n (nano-SiO2<\/a>) haz\u0131rlanmas\u0131<\/p>\n

(6) Metal silikonun haz\u0131rlanmas\u0131<\/p>\n

(7) Y\u00fcksek performansl\u0131 adsorban\u0131n haz\u0131rlanmas\u0131<\/p>\n

(8) Jel \u200b\u200bmalzemesinin haz\u0131rlanmas\u0131<\/p>\n

Mikro silika duman\u0131 y\u00fcksek s\u0131cakl\u0131kta kalsine edilebildi\u011finden veya su cam\u0131 haz\u0131rlamak i\u00e7in alkali ile \u00e7\u00f6z\u00fclebildi\u011finden, silika aerojel haz\u0131rlamak i\u00e7in silikon kayna\u011f\u0131 olarak mikro silika duman\u0131 veya su cam\u0131 kullan\u0131lm\u0131\u015f olsun, mikro silikan\u0131n y\u00fcksek katma de\u011ferli kullan\u0131m\u0131 duman ger\u00e7ekle\u015ftirilebilir. Silisyum duman\u0131ndan haz\u0131rlanan silika aerojel, y\u00fcksek g\u00f6zeneklili\u011fe, y\u00fcksek mukavemete, d\u00fc\u015f\u00fck yo\u011funlu\u011fa, iyi \u0131s\u0131 yal\u0131t\u0131m performans\u0131na ve toksik olmayan \u00f6zelliklere sahiptir. Havac\u0131l\u0131k, in\u015faat, ila\u00e7 ve di\u011fer sekt\u00f6rlerde yayg\u0131n olarak kullan\u0131lmas\u0131 bekleniyor.<\/p>\n","protected":false},"excerpt":{"rendered":"

Mikro silika duman\u0131, tozalt\u0131 ark oca\u011f\u0131nda ferrosilikon ala\u015f\u0131m\u0131 ve metal silikon \u00fcretimi s\u0131ras\u0131nda olu\u015fan Si ve SiO gaz\u0131n\u0131n olu\u015fturdu\u011fu, bacadaki hava ile oksitlenen ve h\u0131zla yo\u011funla\u015fan tozdur, ayn\u0131 zamanda silis duman\u0131 (veya yo\u011funla\u015ft\u0131r\u0131lm\u0131\u015f silika) olarak da bilinir. duman).<\/p>\n","protected":false},"author":7,"featured_media":121750,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[851],"tags":[],"class_list":["post-121792","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-endustri-haberleri-tr"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.alpapowder.com\/tr\/wp-json\/wp\/v2\/posts\/121792","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.alpapowder.com\/tr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.alpapowder.com\/tr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/tr\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/tr\/wp-json\/wp\/v2\/comments?post=121792"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/tr\/wp-json\/wp\/v2\/posts\/121792\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/tr\/wp-json\/wp\/v2\/media\/121750"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/tr\/wp-json\/wp\/v2\/media?parent=121792"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/tr\/wp-json\/wp\/v2\/categories?post=121792"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/tr\/wp-json\/wp\/v2\/tags?post=121792"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}