{"id":113985,"date":"2021-11-17T13:36:12","date_gmt":"2021-11-17T05:36:12","guid":{"rendered":"https:\/\/www.alpapowder.com\/113985\/"},"modified":"2021-11-17T13:36:12","modified_gmt":"2021-11-17T05:36:12","slug":"kaolinin-ultra-ince-ogutulmesi","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/tr\/113985\/","title":{"rendered":"Kaolinin ultra ince \u00f6\u011f\u00fct\u00fclmesi"},"content":{"rendered":"

Kaolinin ana mineral bile\u015fimi, yayg\u0131n olarak “\u00e7in kili” olarak bilinen %90 kaolin + %10 halloysit, kuvars, denizanas\u0131 ta\u015f\u0131 vb.’dir. D\u00fcnyan\u0131n kaolin<\/a> kaynaklar\u0131 zengindir ve geni\u015f bir alana da\u011f\u0131lm\u0131\u015ft\u0131r. \u015eu anda d\u00fcnya yakla\u015f\u0131k 20,9 milyar ton kaolin<\/a> kayna\u011f\u0131 tespit etmi\u015ftir. D\u00fcnyada, Amerika, kaolinin ana \u00fcretim alanlar\u0131d\u0131r ve kaolin<\/a> \u00fcretimi, d\u00fcnyan\u0131n toplam \u00fcretiminin yakla\u015f\u0131k %35’ini olu\u015fturur; Avrupa’n\u0131n kaolin \u00fcretimi uzun s\u00fcredir d\u00fcnyada ikinci s\u0131rada yer al\u0131yor ve d\u00fcnyan\u0131n toplam \u00fcretiminin yakla\u015f\u0131k %30’unu olu\u015fturuyor.<\/p>\n

Kaolin, sert kaolin<\/a>, hafif kaolin ve kumlu kaolin olmak \u00fczere ikiye ayr\u0131l\u0131r.<\/p>\n

Sert kaolin<\/a>:<\/strong> sert (Mohs sertli\u011fi 3~4), plastisite yok, plastisite sadece k\u0131rma ve ince \u00f6\u011f\u00fctmeden sonra. Bu t\u00fcr kaolin<\/a>, y\u00fcksek kaliteli safs\u0131zl\u0131klar\u0131 nedeniyle koyu gri, kahverengi vb.<\/p>\n

Hafif kaolin<\/a>:<\/strong> yumu\u015fak, genellikle g\u00fc\u00e7l\u00fc plastisite, kum i\u00e7eri\u011fi < %50.<\/p>\n

Kumlu kaolin<\/a>:<\/strong> yumu\u015fak, genel plastisite, kum \u00e7\u0131kar\u0131ld\u0131ktan sonra g\u00fc\u00e7l\u00fc plastisite, kum i\u00e7eri\u011fi \u2265%50.<\/p>\n

Kaolin<\/a> yayg\u0131n olarak kullan\u0131lmaktad\u0131r ve seramik end\u00fcstrisi, ka\u011f\u0131t end\u00fcstrisi, kau\u00e7uk end\u00fcstrisi, emaye end\u00fcstrisi, refrakter malzeme end\u00fcstrisi, \u00e7evre koruma ve kimya end\u00fcstrisi vb.<\/p>\n

Seramik end\u00fcstrisi:<\/strong> a\u011f\u0131rl\u0131kl\u0131 olarak g\u00fcnl\u00fck kullan\u0131m seramikleri, mimari seramikler, s\u0131hhi seramikler, \u00f6zel seramikler ve sanat ve el sanatlar\u0131 seramikleri i\u00e7in kullan\u0131l\u0131r.<\/p>\n

Ka\u011f\u0131t end\u00fcstrisi:<\/strong> Ka\u011f\u0131t yap\u0131m\u0131nda dolgu ve kaplama olarak kullan\u0131l\u0131r.<\/p>\n

Kau\u00e7uk end\u00fcstrisi:<\/strong> Kau\u00e7uk \u00fcr\u00fcnler i\u00e7in dolgu ve takviye maddesi olarak kullan\u0131l\u0131r.<\/p>\n

Emaye end\u00fcstrisi:<\/strong> Emaye \u00fcr\u00fcnlerinde silikat cam kaplama olarak y\u00fcksek beyazl\u0131\u011fa, ince partik\u00fcl boyutuna ve iyi s\u00fcspansiyon performans\u0131na sahip kaolin<\/a> kullan\u0131lmaktad\u0131r.<\/p>\n

Refrakter end\u00fcstrisi:<\/strong> \u00e7ok klinkerli refrakterler, yar\u0131 asitli refrakterler vb.<\/p>\n

\u00c7evre koruma ve kimya end\u00fcstrisi:<\/strong> polial\u00fcminyum \u00fcretimi, end\u00fcstriyel kullan\u0131m suyunun ar\u0131t\u0131lmas\u0131, \u015fap, al\u00fcminyum klor\u00fcr ve di\u011fer kimyasal maddelerin \u00fcretimi.<\/p>\n

Kaolinin beyazl\u0131\u011f\u0131, uygulama de\u011ferini belirleyen \u00f6nemli g\u00f6stergelerden biridir. Kaolindeki boyama safs\u0131zl\u0131klar\u0131 esas olarak demir, titanyum mineralleri ve organik maddelerdir. Demir ve titanyum \u00e7o\u011funlukla hematit, g\u00f6tit, pirit, siderit ve di\u011fer mineraller \u015feklinde bulunur ve bunlar\u0131n kaolin<\/a> i\u00e7indeki da\u011f\u0131l\u0131mlar\u0131 da \u00e7ok karma\u015f\u0131kt\u0131r ve kristalli olanlar\u0131n \u00e7o\u011fu ince par\u00e7ac\u0131klarla kar\u0131\u015ft\u0131r\u0131l\u0131r. Demir i\u00e7eren mineraller y\u00fcksek s\u0131cakl\u0131klarda kalsine edildi\u011finde Fe2<\/sub>O3<\/sub>\u00a0olaca\u011f\u0131ndan, hammaddeler sar\u0131ya veya tu\u011fla k\u0131rm\u0131z\u0131s\u0131na d\u00f6necektir. Bu nedenle, \u00fcr\u00fcn\u00fcn beyazl\u0131\u011f\u0131n\u0131 %92 veya daha y\u00fcksek bir seviyeye \u00e7\u0131karmak i\u00e7in, kalsinasyon \u00f6ncesinde veya s\u0131ras\u0131nda demir giderme \u00f6nlemleri al\u0131nmal\u0131d\u0131r.<\/p>\n

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Kalsinasyon s\u0131cakl\u0131\u011f\u0131na g\u00f6re de\u011fi\u015fen kaolinin beyazl\u0131k e\u011frisi<\/figcaption><\/figure>\n

Kaolinin ultra ince \u00f6\u011f\u00fctme i\u015flemi<\/h4>\n

Kaolinin derin i\u015flenmesinde, beyazl\u0131k, safl\u0131k ve di\u011fer g\u00f6stergelere ek olarak, ku\u015fe ka\u011f\u0131t, ku\u015fe ka\u011f\u0131t, kartonun yan\u0131 s\u0131ra \u00fcst d\u00fczey boya ve kaplamalar, plastik kutu kau\u00e7uk \u00fcr\u00fcnleri vb. teknik gereksinimlerini kar\u015f\u0131lamak i\u00e7in. , kaolin<\/a> \u00fcr\u00fcnlerinin partik\u00fcl boyutu ve inceli\u011fi \u00e7ok \u00f6nemlidir. indeksi. \u015eu anda, bir\u00e7ok \u00fcst d\u00fczey “double 90” \u00fcr\u00fcn\u00fcyle ultra ince teknoloji temelde olgunla\u015fmakta ve s\u00fcre\u00e7leri esas olarak iki t\u00fcre ayr\u0131lmaktad\u0131r: kuru y\u00f6ntem ve \u0131slak y\u00f6ntem.<\/p>\n