{"id":9572,"date":"2024-02-04T11:41:53","date_gmt":"2024-02-04T10:41:53","guid":{"rendered":"https:\/\/www.fimill.com\/?page_id=9572"},"modified":"2024-11-19T20:46:29","modified_gmt":"2024-11-19T19:46:29","slug":"z-historie-tryskoveho-mleti","status":"publish","type":"page","link":"https:\/\/www.fimill.com\/index.php\/z-historie-tryskoveho-mleti\/","title":{"rendered":"Tryskov\u00e9 mlet\u00ed"},"content":{"rendered":"

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Fluidn\u00ed n\u00e1razov\u00fd tryskov\u00fd ml\u00fdn<\/strong> pro mikronizaci zeleniny poprv\u00e9 pou\u017eil v\u00a0roce 1882 <\/strong>Ameri\u010dan Gustavus O. Goessling<\/strong>. Do k\u00f3nick\u00e9 mlec\u00ed komory byl v jej\u00ed spodn\u00ed \u010d\u00e1sti jedinou tryskou vh\u00e1n\u011bn plyn a sou\u010dasn\u011b n\u00e1sypkou na boku mlec\u00ed komory v jej\u00ed spodn\u00ed \u010d\u00e1sti p\u0159iv\u00e1d\u011bn i mlet\u00fd materi\u00e1l, kter\u00fd byl proudem plynu d\u00e1le un\u00e1\u0161en k horn\u00edmu v\u00edku mlec\u00ed komory, o kter\u00e9 se mlet\u00fd materi\u00e1l rozb\u00edjel a t\u0159\u00ed\u0161til. Separace a recirkulace mlet\u00e9ho materi\u00e1lu se prov\u00e1d\u011bla pomoc\u00ed s\u00edta ve spodn\u00ed \u010d\u00e1sti mlec\u00ed komory. Tento mikroniza\u010dn\u00ed postup se dnes ji\u017e nepou\u017e\u00edv\u00e1.<\/strong><\/p>\n

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\"\"<\/a>P<\/strong>rotiproud\u00fd tryskov\u00fd ml\u00fdn<\/strong> p\u0159edstavil Ameri\u010dan Alfred B. Willoughby<\/strong> v\u00a0roce 1917<\/strong>. Do v\u00e1lcovit\u00e9 mlec\u00ed komory ml\u00fdna byl mlet\u00fd materi\u00e1l p\u0159iv\u00e1d\u011bn mezi dv\u011b horizont\u00e1ln\u011b proti sob\u011b \u00fast\u00edc\u00ed trysky se stla\u010den\u00fdm vzduchem, p\u00e1rou nebo jin\u00fdm m\u00e9diem. \u010c\u00e1stice mlet\u00e9ho materi\u00e1lu se za t\u011bchto podm\u00ednek rozb\u00edjely a drtily samy o sebe tak dlouho, a\u017e byly dostate\u010dn\u011b jemn\u00e9 a mohly b\u00fdt d\u00e1le un\u00e1\u0161eny proudem m\u00e9dia do centrifug\u00e1ln\u00edho t\u0159\u00eddi\u010de v horn\u00ed \u010d\u00e1sti mlec\u00ed komory. Mikroniza\u010dn\u00ed postup v t\u00e9to podob\u011b se dnes ji\u017e nepou\u017e\u00edv\u00e1.<\/strong><\/p>\n

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Spir\u00e1ln\u00ed tryskov\u00fd ml\u00fdn<\/strong>, zn\u00e1m\u00fd tak\u00e9 jako Micronizer, uvedla na trh v roce 1934<\/strong> americk\u00e1 spole\u010dnost STURTEVANT<\/strong>. Tento typ mikroniza\u010dn\u00edho za\u0159\u00edzen\u00ed se skl\u00e1d\u00e1 z ploch\u00e9 v\u00e1lcovit\u00e9 mlec\u00ed komory, opat\u0159en\u00e9 po obvodu soustavou 6 a\u017e 20 trysek, kter\u00e9 jsou v\u0161echny orientov\u00e1ny v jedin\u00e9m tangenci\u00e1ln\u00edm sm\u011bru pod \u00fahlem v rozmez\u00ed 30\u00b0 a\u017e 75\u00b0 dovnit\u0159 mlec\u00ed komory. Do n\u00ed se tryskami vh\u00e1n\u00ed stla\u010den\u00fd vzduch nebo jin\u00e9 vhodn\u00e9 medium, \u010d\u00edm\u017e doch\u00e1z\u00ed uvnit\u0159 mlec\u00ed komory ke vzniku jedn\u00edm sm\u011brem rotuj\u00edc\u00edho um\u011bl\u00e9ho cyklonu pou\u017eit\u00e9ho m\u00e9dia. Do mlec\u00ed komory je sou\u010dasn\u011b vpravov\u00e1n i mlet\u00fd materi\u00e1l, a to jedinou n\u00e1sypkou \u00fast\u00edc\u00ed do ejektoru na v\u00edku mlec\u00ed komory. \"\"<\/a> ejektoru je p\u0159iv\u00e1d\u011bn vzduch \u010di jin\u00e9 vhodn\u00e9 m\u00e9dium, kter\u00e9 pr\u016fchodem v ejektoru zabudovan\u00fdm injektorem z\u00edsk\u00e1v\u00e1 velmi vysokou rychlost a touto rychlost\u00ed pak vpravuje mlet\u00fd materi\u00e1l z n\u00e1sypky a\u017e do vnit\u0159n\u00edho prostoru mlec\u00ed komory. V mlec\u00ed komo\u0159e tak doch\u00e1z\u00ed ke vzniku velmi vysokou, a\u017e nadzvukovou rychlost\u00ed a jedn\u00edm sm\u011brem rotuj\u00edc\u00edho um\u011bl\u00e9ho cyklonu s \u010d\u00e1sticemi mlet\u00e9ho materi\u00e1lu, kdy \u010d\u00e1stice materi\u00e1lu d\u00edky nadzvukov\u00e9mu proud\u011bn\u00ed m\u00e9dia z trysek i z ejektoru nar\u00e1\u017eej\u00ed samy do sebe a t\u00edm doch\u00e1z\u00ed k jejich mikronizaci. Odst\u0159ediv\u00e1 s\u00edla tla\u010d\u00ed nejv\u011bt\u0161\u00ed \u010d\u00e1stice sm\u011brem k obvodu mlec\u00ed komory, kde ob\u00edhaj\u00ed tak dlouho, dokud nejsou natolik jemn\u00e9, \u017ee jsou un\u00e1\u0161eny otvorem ve st\u0159edu mlec\u00ed komory do odd\u011blova\u010de k dal\u0161\u00edmu zpracov\u00e1n\u00ed. Mlet\u00fd materi\u00e1l setrv\u00e1v\u00e1 v pracovn\u00ed komo\u0159e asi 10 a\u017e 20 s, nosn\u00e9 m\u00e9dium pouze setinu t\u00e9to hodnoty. Tryskov\u00fd spir\u00e1ln\u00ed ml\u00fdn se obvykle pou\u017e\u00edv\u00e1 pro mikronizaci materi\u00e1l\u016f s tvrdost\u00ed max. 4 podle Mohsovy stupnice, po aplikaci speci\u00e1ln\u00edch ot\u011bruvzdorn\u00fdch vrstev<\/strong> na vnit\u0159n\u00ed plochy mlec\u00ed komory jej lze pou\u017e\u00edt i pro materi\u00e1ly s tvrdost\u00ed v\u00fdrazn\u011b vy\u0161\u0161\u00ed.<\/strong><\/p>\n

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\"\"<\/a>Tryskov\u00fd ml\u00fdn s\u00a0ov\u00e1lnou komorou<\/strong> byl vyvinut americkou spole\u010dnost\u00ed FLUID ENERGY <\/strong>v\u00a0roce 1941<\/strong> pod obchodn\u00edm ozna\u010den\u00edm Jet-O-Mizer. M\u00e1 vertik\u00e1ln\u00ed mlec\u00ed komoru z\u00a0ov\u00e1ln\u00e9 trubky, kde vzduchov\u00e9 trysky jsou um\u00edst\u011bny pouze ve spodn\u00ed \u010d\u00e1sti a vzduch z\u00a0nich proud\u00edc\u00ed je orientov\u00e1n pouze jedn\u00edm sm\u011brem. \u010c\u00e1stice mlet\u00e9ho materi\u00e1lu se rozm\u011bl\u0148uj\u00ed n\u00e1razy samy o sebe, p\u0159i\u010dem\u017e jemn\u00e9 \u010d\u00e1stice jsou strhov\u00e1ny odch\u00e1zej\u00edc\u00edm vzduchem v horn\u00ed \u010d\u00e1sti ml\u00fdna, zat\u00edmco velk\u00e9 \u010d\u00e1stice jsou vlivem setrva\u010dn\u00e9 odst\u0159ediv\u00e9 s\u00edly un\u00e1\u0161eny zp\u011bt do mlec\u00ed z\u00f3ny ve spodn\u00ed \u010d\u00e1sti, kam je d\u00e1vkov\u00e1n i mlet\u00fd materi\u00e1l. Ov\u00e1ln\u00fd tryskov\u00fd ml\u00fdn se pou\u017e\u00edv\u00e1 pro mikronizaci pevn\u00fdch materi\u00e1l\u016f v\u010detn\u011b plast\u016f s tvrdost\u00ed max. 4 podle Mohsovy stupnice.<\/strong><\/p>\n

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\"\"<\/a>Fluidn\u00ed opozitn\u00ed tryskov\u00fd ml\u00fdn<\/strong> byl uveden na trh v\u00a0roce 1981<\/strong> n\u011bmeckou spole\u010dnost\u00ed ALPINE<\/strong>. Je tvo\u0159en mlec\u00ed komorou bez pohybliv\u00fdch \u010d\u00e1st\u00ed ve tvaru uzav\u0159en\u00e9ho prot\u00e1hl\u00e9ho v\u00e1lce, do jej\u00ed\u017e spodn\u00ed \u010d\u00e1sti \u00fast\u00ed v horizont\u00e1ln\u00ed rovin\u011b p\u0159esn\u011b proti sob\u011b 3 a\u017e 6 Lavalov\u00fdch trysek s nadzvukovou rychlost\u00ed m\u00e9dia uv\u00e1d\u011bj\u00edc\u00ed mlet\u00fd materi\u00e1l do fluidn\u00edho stavu. Mlet\u00fd materi\u00e1l je do ml\u00fdna p\u0159iv\u00e1d\u011bn z horn\u00ed \u010d\u00e1sti mlec\u00ed komory, odkud postupuje do jej\u00ed spodn\u00ed \u010d\u00e1sti, kde je proudem m\u00e9dia proch\u00e1zej\u00edc\u00edho tryskami mikronizov\u00e1n vz\u00e1jemn\u00fdmi n\u00e1razy \u010d\u00e1stic a t\u0159en\u00edm, p\u0159i\u010dem\u017e mlet\u00e9 \u010d\u00e1stice prakticky nep\u0159ich\u00e1zej\u00ed do styku s tryskami ani se st\u011bnami mlec\u00ed komory. Mikronizovan\u00e9 \u010d\u00e1stice jsou proudem vzduchu un\u00e1\u0161eny zp\u011bt do horn\u00ed \u010d\u00e1sti mlec\u00ed komory, v n\u00ed\u017e je um\u00edst\u011bn vzdu\u0161n\u00fd t\u0159\u00eddi\u010d, kter\u00fd velmi jemn\u011b namletou frakci odv\u00e1d\u00ed d\u00e1le k odlu\u010dova\u010di, zat\u00edmco v\u011bt\u0161\u00ed \u010d\u00e1stice vrac\u00ed k opakovan\u00e9mu mlet\u00ed do spodn\u00ed \u010d\u00e1sti mlec\u00ed komory. Fluidn\u00ed protiproud\u00fd tryskov\u00fd ml\u00fdn se pou\u017e\u00edv\u00e1 pro mikronizaci materi\u00e1l\u016f s jak\u00fdmkoliv stupn\u011bm tvrdosti.<\/strong><\/p>\n

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\u00a0<\/strong><\/p>\n

\"\"<\/a>Spir\u00e1ln\u00ed opozitn\u00ed tryskov\u00fd ml\u00fdn<\/strong> p\u0159edstavila \u010desk\u00e1 spole\u010dnost FIMILL <\/strong>v roce 2019. <\/strong>Ve vertik\u00e1ln\u00ed ploch\u00e9 v\u00e1lcovit\u00e9 mlec\u00ed komo\u0159e je \u010d\u00e1stic\u00edm mlet\u00e9ho materi\u00e1lu ud\u011blov\u00e1na velmi vysok\u00e1 kinetick\u00e1 energie prost\u0159ednictv\u00edm proudu stla\u010den\u00e9ho vzduchu nebo jin\u00e9ho vhodn\u00e9ho m\u00e9dia, vh\u00e1n\u011bn\u00e9ho do mlec\u00ed komory nadzvukovou rychlost\u00ed soustavou Lavalov\u00fdch trysek. Na rozd\u00edl od v\u00fd\u0161e popsan\u00e9ho spir\u00e1ln\u00edho tryskov\u00e9ho ml\u00fdna jsou v tomto ml\u00fdnu trysky uspo\u0159\u00e1d\u00e1ny po obvodu mlec\u00ed komory v soused\u00edc\u00edch \u0159ad\u00e1ch, p\u0159i\u010dem\u017e ka\u017ed\u00e1 \u0159ada trysek m\u00e1 opa\u010dn\u00fd sklon ne\u017e \u0159ada soused\u00edc\u00ed. Podobn\u011b jako ve fluidn\u00edm opozitn\u00edm tryskov\u00e9m ml\u00fdnu je mlet\u00fd materi\u00e1l mikronizov\u00e1n p\u0159edev\u0161\u00edm opakovan\u00fdmi front\u00e1ln\u00edmi n\u00e1razy \u010d\u00e1stic mezi sebou. Mikronizovan\u00fd materi\u00e1l je z mlec\u00ed komory un\u00e1\u0161en proudem m\u00e9dia dv\u011bma protilehl\u00fdmi otvory ve st\u0159edu mlec\u00ed komory, nedostate\u010dn\u011b mikronizovan\u00e9 \u010d\u00e1stice jsou kontinu\u00e1ln\u011b vraceny do mlec\u00ed komory k domlet\u00ed. Ml\u00fdn si mlet\u00fd materi\u00e1l pod\u00e1v\u00e1 do mlec\u00ed komory s\u00e1m bez ejektoru. Ml\u00fdn je vhodn\u00fd pro mikronizaci materi\u00e1l\u016f jak\u00e9hokoliv stupn\u011b tvrdosti.<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

Fluidn\u00ed n\u00e1razov\u00fd tryskov\u00fd ml\u00fdn pro mikronizaci zeleniny poprv\u00e9 pou\u017eil v\u00a0roce 1882 Ameri\u010dan Gustavus O. Goessling. Do k\u00f3nick\u00e9 mlec\u00ed komory byl v jej\u00ed spodn\u00ed \u010d\u00e1sti jedinou tryskou vh\u00e1n\u011bn plyn a sou\u010dasn\u011b n\u00e1sypkou na boku mlec\u00ed komory<\/p>\n

Read More<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"_kadence_starter_templates_imported_post":false,"footnotes":""},"class_list":["post-9572","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.fimill.com\/index.php\/wp-json\/wp\/v2\/pages\/9572","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.fimill.com\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.fimill.com\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.fimill.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fimill.com\/index.php\/wp-json\/wp\/v2\/comments?post=9572"}],"version-history":[{"count":82,"href":"https:\/\/www.fimill.com\/index.php\/wp-json\/wp\/v2\/pages\/9572\/revisions"}],"predecessor-version":[{"id":12418,"href":"https:\/\/www.fimill.com\/index.php\/wp-json\/wp\/v2\/pages\/9572\/revisions\/12418"}],"wp:attachment":[{"href":"https:\/\/www.fimill.com\/index.php\/wp-json\/wp\/v2\/media?parent=9572"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}