jet mill<\/a> gibi az say\u0131da ekipman kullan\u0131larak 1 \u03bcm’den k\u00fc\u00e7\u00fck malzemeler \u00fcretilebilir, bu da malzemeleri mikron alt\u0131, yani 0.1+0.5 \u03bcm seviyesine kadar k\u0131rabilir. Yap\u0131s\u0131, hava kompres\u00f6r\u00fc taraf\u0131ndan \u00fcretilen bas\u0131n\u00e7l\u0131 havan\u0131n noz\u00fclden d\u0131\u015far\u0131 p\u00fcsk\u00fcrt\u00fclmesi ve jet ak\u0131\u015f\u0131nda tozun birbiriyle \u00e7arp\u0131\u015farak k\u0131r\u0131lmas\u0131d\u0131r.<\/p>\nHammaddeler hazneden beslenir, Venturi nozulu taraf\u0131ndan s\u00fcpersonik h\u0131za \u00e7\u0131kar\u0131l\u0131r ve \u00f6\u011f\u00fct\u00fcc\u00fcye verilir; pulverizat\u00f6r\u00fcn i\u00e7indeki \u00f6\u011f\u00fctme nozulundan p\u00fcsk\u00fcrt\u00fclen s\u0131v\u0131n\u0131n olu\u015fturdu\u011fu pulverizasyon b\u00f6lgesinde, malzeme tanecikleri birbiriyle \u00e7arp\u0131\u015f\u0131r, ovalan\u0131r ve ince toz halinde ufalan\u0131r. Bunlar\u0131n aras\u0131nda, merkezka\u00e7 kuvvetini kaybedip \u00f6\u011f\u00fct\u00fcc\u00fcn\u00fcn merkezine girenler \u00e7ok ince tozlard\u0131r; kaba tozlar merkezka\u00e7 kuvvetini kaybetmez ve k\u0131rma band\u0131nda toz haline getirilmeye devam eder.<\/p>\n
Almanya’da geli\u015ftirilen jet de\u011firmeni, 0.088 mm’den k\u00fc\u00e7\u00fck tozu ask\u0131ya al\u0131r ve s\u00fcper ince toz haline getirir, b\u00f6ylece 44\u03bcm’den b\u00fcy\u00fck olmayan \u00e7e\u015fitli derecelerde \u00fcr\u00fcnler \u00fcretebilir ve ortalama par\u00e7ac\u0131k boyutu 1, 2, 3, 4\u03bcm’ye ula\u015fabilir. Bu t\u00fcr bir jet de\u011firmen, y\u00fcksek \u00fcretim verimlili\u011fine sahiptir, \u00e7evreyi kirletmez ve \u00fcr\u00fcn y\u00fcksek safl\u0131\u011fa, ince par\u00e7ac\u0131klara sahiptir ve topaklanma yapmaz. \u0130deal bir ultra ince \u00f6\u011f\u00fctme ekipman\u0131d\u0131r. Mekanik toz haline getirme y\u00f6nteminin teknik geli\u015fme e\u011filimi, proses teknolojisini mevcut temelde iyile\u015ftirmek, y\u00fcksek verimli ve d\u00fc\u015f\u00fck t\u00fcketimli ultra ince toz haline getirme ekipman\u0131, ince s\u0131n\u0131fland\u0131rma ekipman\u0131 ve destekleyici yard\u0131mc\u0131 proses ekipman\u0131 geli\u015ftirmek ve par\u00e7ac\u0131k boyutu s\u0131n\u0131r\u0131n\u0131 geni\u015fletmektir. i\u015fleme kapasitesini geli\u015ftirirken, \u00f6l\u00e7ek ekonomileri olu\u015fturan mekanik toz haline getirme.<\/p>\n
Ultra ince k\u0131rma i\u015fleminde, kaliteli ince toz malzemeleri zaman\u0131nda ay\u0131rmak, k\u0131rma i\u015flemlerinin verimlili\u011fini art\u0131rmak ve \u00fcr\u00fcnlerin par\u00e7ac\u0131k boyutu da\u011f\u0131l\u0131m\u0131n\u0131 kontrol etmek i\u00e7in ince s\u0131n\u0131fland\u0131rma ekipman\u0131 da gereklidir. \u015eu anda, yayg\u0131n olarak kullan\u0131lan iki t\u00fcr s\u0131n\u0131fland\u0131rma ekipman\u0131 vard\u0131r: biri kuru s\u0131n\u0131fland\u0131rma, genellikle santrif\u00fcjl\u00fc veya t\u00fcrbinli r\u00fczgar s\u0131n\u0131fland\u0131r\u0131c\u0131d\u0131r; di\u011feri ise genellikle yatay spiral santrif\u00fcjl\u00fc s\u0131n\u0131fland\u0131r\u0131c\u0131, k\u00fc\u00e7\u00fck \u00e7apl\u0131 ve k\u00fc\u00e7\u00fck Koni a\u00e7\u0131l\u0131 hidrosiklon ve hidrosiklon vb. kullanan \u0131slak s\u0131n\u0131fland\u0131rma ekipman\u0131d\u0131r.<\/p>\n
Genellikle hidrolik s\u0131n\u0131fland\u0131rma kullan\u0131l\u0131r ve yayg\u0131n olarak kullan\u0131lan y\u00f6ntemler sedimantasyon y\u00f6ntemi, ta\u015fma y\u00f6ntemi, siklon y\u00f6ntemi ve santrif\u00fcj y\u00f6ntemidir. Sedimantasyon y\u00f6ntemi, s\u0131n\u0131fland\u0131rmak i\u00e7in farkl\u0131 partik\u00fcl boyutlar\u0131 i\u00e7in sudaki farkl\u0131 sedimantasyon h\u0131zlar\u0131n\u0131n mekanizmas\u0131n\u0131 kullan\u0131r; ta\u015fma y\u00f6nteminin mekanizmas\u0131 sedimantasyon y\u00f6ntemine benzer, fark, su ak\u0131\u015f h\u0131z\u0131n\u0131n partik\u00fcl sedimantasyon h\u0131z\u0131ndan daha b\u00fcy\u00fck olmas\u0131 ve b\u00f6ylece ince tozun ortaya \u00e7\u0131kmas\u0131d\u0131r; siklon y\u00f6ntemi Bulama\u00e7, merkezka\u00e7 kuvveti olu\u015fturmak i\u00e7in siklonda y\u00fcksek h\u0131zda d\u00f6ner ve partik\u00fcl boyutu farkl\u0131d\u0131r, merkezka\u00e7 kuvveti de farkl\u0131d\u0131r, b\u00f6ylece b\u00fcy\u00fck ve k\u00fc\u00e7\u00fck partik\u00fcller ayr\u0131labilir; santrif\u00fcj y\u00f6ntemi, bulamac\u0131n santrif\u00fcjde y\u00fcksek h\u0131zda d\u00f6nmesi ve farkl\u0131 boyutlardaki par\u00e7ac\u0131klar\u0131n \u00fcretti\u011fi merkezka\u00e7 kuvvetinin de farkl\u0131 olmas\u0131d\u0131r.<\/p>\n
S\u0131n\u0131fland\u0131rmadan sonra elde edilen \u00e7e\u015fitli partik\u00fcl boyutlar\u0131ndaki \u00fcr\u00fcnler dehidre edildikten sonra kurutulur.<\/p>\n
Ultra ince \u00f6\u011f\u00fctmede, tozun par\u00e7ac\u0131k boyutu incedir ve hem \u00f6zg\u00fcl y\u00fczey alan\u0131 hem de y\u00fczey enerjisi b\u00fcy\u00fckt\u00fcr. Par\u00e7ac\u0131k boyutu ne kadar ince olursa, malzemenin mekanik mukavemeti o kadar y\u00fcksek olur. Bu nedenle, ultra ince toz haline getirmenin enerji t\u00fcketimi y\u00fcksektir ve tozun tekrarlanan mekanik kuvvet alt\u0131nda topaklanmas\u0131 kolayd\u0131r. K\u0131rma verimini art\u0131rmak i\u00e7in s\u0131n\u0131fland\u0131rmay\u0131 g\u00fc\u00e7lendirmenin yan\u0131 s\u0131ra bazen \u00f6\u011f\u00fctme yard\u0131mc\u0131lar\u0131 ve katk\u0131 maddeleri de eklenir.<\/p>\n
Mekanik toz haline getirme y\u00f6nteminin \u00fcretim s\u00fcreci, kimyasal sentez y\u00f6nteminden daha basittir, \u00e7\u0131kt\u0131 b\u00fcy\u00fckt\u00fcr, maliyet d\u00fc\u015f\u00fckt\u00fcr ve \u00fcretilen mikro toz topaklanma yapmaz. Ancak k\u0131rma i\u015fleminde safs\u0131zl\u0131klar\u0131n kar\u0131\u015fmas\u0131 ka\u00e7\u0131n\u0131lmazd\u0131r ve k\u0131r\u0131lan \u00fcr\u00fcn\u00fcn par\u00e7ac\u0131k \u015fekli genellikle d\u00fczensizdir ve 1 \u03bcm’den k\u00fc\u00e7\u00fck ince par\u00e7ac\u0131klar elde etmek zordur.<\/p>\n","protected":false},"excerpt":{"rendered":"
Ultra ince k\u0131rma i\u015fleminde, kaliteli ince toz malzemeleri zaman\u0131nda ay\u0131rmak, k\u0131rma i\u015flemlerinin verimlili\u011fini art\u0131rmak i\u00e7in ince s\u0131n\u0131fland\u0131rma ekipman\u0131 da gereklidir.<\/p>\n","protected":false},"author":7,"featured_media":127371,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[851],"tags":[],"class_list":["post-127408","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\/127408","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=127408"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/tr\/wp-json\/wp\/v2\/posts\/127408\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/tr\/wp-json\/wp\/v2\/media\/127371"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/tr\/wp-json\/wp\/v2\/media?parent=127408"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/tr\/wp-json\/wp\/v2\/categories?post=127408"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/tr\/wp-json\/wp\/v2\/tags?post=127408"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
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