{"id":114670,"date":"2021-12-01T15:12:56","date_gmt":"2021-12-01T07:12:56","guid":{"rendered":"https:\/\/www.alpapowder.com\/114670\/"},"modified":"2021-12-01T15:12:56","modified_gmt":"2021-12-01T07:12:56","slug":"jet-degirmenlerin-ogutme-verimini-etkileyen-faktorler-nelerdir","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/tr\/114670\/","title":{"rendered":"Jet de\u011firmenlerin \u00f6\u011f\u00fctme verimini etkileyen fakt\u00f6rler nelerdir?"},"content":{"rendered":"<p>Jet de\u011firmeni, tozlar\u0131n birbirine \u00e7arpmas\u0131n\u0131, \u00e7arp\u0131\u015fmas\u0131n\u0131 ve \u00f6\u011f\u00fct\u00fclmesini sa\u011flamak i\u00e7in birbirine s\u00fcrtmesini sa\u011flamak i\u00e7in y\u00fcksek h\u0131zl\u0131 hava ak\u0131\u015f enerjisi (300~500m\/s) veya a\u015f\u0131r\u0131 \u0131s\u0131t\u0131lm\u0131\u015f buhar (300~400\u2103) kullanan bir t\u00fcr ekipmand\u0131r. Nozul, y\u00fcksek bas\u0131n\u00e7l\u0131 hava veya y\u00fcksek bas\u0131n\u00e7l\u0131 s\u0131cak hava p\u00fcsk\u00fcrt\u00fcr ve ard\u0131ndan y\u00fcksek h\u0131zl\u0131 bir hava ak\u0131\u015f\u0131 olu\u015fturmak i\u00e7in h\u0131zla geni\u015fler. Memenin yak\u0131n\u0131ndaki b\u00fcy\u00fck h\u0131z gradyan\u0131 nedeniyle, \u00f6\u011f\u00fctmenin \u00e7o\u011fu memenin yak\u0131n\u0131nda meydana gelir. \u00d6\u011f\u00fctme odas\u0131ndaki partik\u00fcller aras\u0131ndaki \u00e7arp\u0131\u015fma frekans\u0131, partik\u00fcller ve duvar aras\u0131ndaki \u00e7arp\u0131\u015fma frekans\u0131ndan \u00e7ok daha y\u00fcksektir, yani jet de\u011firmenin ana i\u015flevi partik\u00fcller aras\u0131ndaki \u00e7arp\u0131\u015fmad\u0131r.<\/p>\n<p><img decoding=\"async\" class=\"wp-image-83824 size-full aligncenter\" src=\"https:\/\/www.alpapowder.com\/wp-content\/uploads\/2021\/04\/b3ecf2b68b9d050955d539.jpg\" alt=\"\" width=\"960\" height=\"720\" srcset=\"https:\/\/www.alpapowder.com\/wp-content\/uploads\/2021\/04\/b3ecf2b68b9d050955d539.jpg 960w, https:\/\/www.alpapowder.com\/wp-content\/uploads\/2021\/04\/b3ecf2b68b9d050955d539-300x225.jpg 300w, https:\/\/www.alpapowder.com\/wp-content\/uploads\/2021\/04\/b3ecf2b68b9d050955d539-768x576.jpg 768w, https:\/\/www.alpapowder.com\/wp-content\/uploads\/2021\/04\/b3ecf2b68b9d050955d539-uai-720x540.jpg 720w\" sizes=\"(max-width: 960px) 100vw, 960px\" \/><\/p>\n<p>\u00dcr\u00fcn\u00fcn nihai par\u00e7ac\u0131k boyutunun jet de\u011firmen taraf\u0131ndan kontrol\u00fc esas olarak hammadde par\u00e7ac\u0131k boyutuna, k\u0131rma bas\u0131nc\u0131na, besleme bas\u0131nc\u0131na, besleme h\u0131z\u0131na ve di\u011fer parametrelere ba\u011fl\u0131d\u0131r. Pn\u00f6matik \u00f6\u011f\u00fctme cihaz\u0131 ile bu parametreler aras\u0131ndaki mant\u0131ksal ili\u015fki \u00f6zellikle \u015f\u00f6yledir: Hammaddenin par\u00e7ac\u0131k boyutu ne kadar k\u00fc\u00e7\u00fckse, \u00f6\u011f\u00fctme verimlili\u011fi o kadar y\u00fcksek olur, aksine par\u00e7ac\u0131k boyutu ne kadar b\u00fcy\u00fckse \u00f6\u011f\u00fctme etkisi o kadar d\u00fc\u015f\u00fck olur. \u00d6\u011f\u00fctme bas\u0131nc\u0131 ve besleme bas\u0131nc\u0131 sabit oldu\u011funda, besleme h\u0131z\u0131n\u0131n d\u00fc\u015f\u00fcr\u00fclmesi \u00fcr\u00fcn\u00fc daha ince yapar ve besleme h\u0131z\u0131n\u0131n artt\u0131r\u0131lmas\u0131 \u00fcr\u00fcn\u00fc daha kal\u0131n yapar. Besleme h\u0131z\u0131 sabit oldu\u011funda, \u00f6\u011f\u00fctme bas\u0131nc\u0131n\u0131 artt\u0131r\u0131n, \u00fcr\u00fcn boyutu daha ince olacak ve \u00f6\u011f\u00fctme bas\u0131nc\u0131n\u0131 azaltacak, \u00fcr\u00fcn daha kaba hale gelecektir.<\/p>\n<p>Bu nedenle, farkl\u0131 pulverizasyon inceliklerini elde etmek i\u00e7in jet de\u011firmenin \u00f6\u011f\u00fctme i\u015flemindeki parametreler ayarlanarak partik\u00fcl boyutu kontrol\u00fc sa\u011flan\u0131r. Pulverizasyondan \u00f6nce, \u00f6nce besleme h\u0131z\u0131 ve bas\u0131n\u00e7 aras\u0131ndaki ili\u015fki belirlenmeli, daha sonra farkl\u0131 gereksinimleri kar\u015f\u0131lamak i\u00e7in uygun pulverizasyon parametreleri belirlenmelidir. Ayr\u0131nt\u0131 gereksinimleri.<\/p>\n<p>Jet de\u011firmenin avantaj\u0131, hi\u00e7bir kirletici maddeyi \u00f6\u011f\u00fctmemesidir. \u00d6\u011f\u00fctmeden sonra s\u0131k\u0131\u015ft\u0131r\u0131lm\u0131\u015f s\u00fcpersonik hava ak\u0131\u015f h\u0131z\u0131 azal\u0131r ve hacim artar. Endotermik bir i\u015flemdir ve malzeme \u00fczerinde so\u011futma etkisi vard\u0131r. \u00d6zellikle ultra ince \u00f6\u011f\u00fctme i\u00e7in uygundur. Jet de\u011firmeni, par\u00e7ac\u0131klar\u0131n h\u0131z\u0131n\u0131 h\u0131zland\u0131rmak, birbirleriyle \u00e7arp\u0131\u015fmak veya \u00f6\u011f\u00fctme etkisini elde etmek i\u00e7in malzemeleri \u00f6\u011f\u00fctmek i\u00e7in s\u00fcpersonik hava ak\u0131m\u0131 kullan\u0131r.<\/p>\n<p>\u00c7arp\u0131\u015fma h\u0131z\u0131n\u0131 art\u0131rmak i\u00e7in, ana memenin etraf\u0131ndaki malzeme par\u00e7ac\u0131klar\u0131n\u0131 ana ak\u0131\u015f\u0131n merkezi alan\u0131na h\u0131zland\u0131rmak i\u00e7in ana memenin etraf\u0131na e\u015fit olarak da\u011f\u0131t\u0131lm\u0131\u015f bir dizi alt meme yerle\u015ftirilmi\u015ftir. Besleme nozulu, ana noz\u00fcl\u00fcn merkezinde bulunur ve ak\u0131\u015fkanla\u015ft\u0131r\u0131lm\u0131\u015f par\u00e7ac\u0131klar, daha y\u00fcksek bir \u00e7arp\u0131\u015fma h\u0131z\u0131 elde etmek i\u00e7in do\u011frudan ana noz\u00fcl\u00fcn merkezine emilebilir.<\/p>\n<p>\u015eu anda end\u00fcstride kullan\u0131lan jet freze ekipman\u0131 \u015funlar\u0131 i\u00e7erir: d\u00fcz plaka, sirk\u00fclasyonlu t\u00fcp, hedef tip, konveksiyon tipi, ak\u0131\u015fkan yatak tipi.<\/p>\n<h4>Jet de\u011firmenin \u00f6\u011f\u00fctme etkisini etkileyen fakt\u00f6rler<\/h4>\n<p>Ara\u015ft\u0131rma sonu\u00e7lar\u0131 jet de\u011firmenin \u00f6\u011f\u00fctme etkisinin gaz-kat\u0131 oran\u0131, besleme partik\u00fcl boyutu, \u00e7al\u0131\u015fma s\u0131v\u0131s\u0131 s\u0131cakl\u0131\u011f\u0131 ve \u00e7al\u0131\u015fma s\u0131v\u0131s\u0131 bas\u0131nc\u0131 gibi fakt\u00f6rlerden etkilendi\u011fini g\u00f6stermektedir.<\/p>\n<ul>\n<li><strong>Gaz-kat\u0131 oran\u0131<\/strong><\/li>\n<\/ul>\n<p>Gaz-kat\u0131 oran\u0131 \u00e7ok k\u00fc\u00e7\u00fckse, gaz ak\u0131\u015f enerjisi yetersiz olacak ve bu da \u00fcr\u00fcn\u00fcn inceli\u011fini etkileyecektir; tersine, gaz-kat\u0131 oran\u0131 \u00e7ok b\u00fcy\u00fckse, sadece enerji israf\u0131 olmaz, ayn\u0131 zamanda baz\u0131 malzemelerin dispersiyon performans\u0131n\u0131 da bozar.<\/p>\n<ul>\n<li><strong>Besleme boyutu<\/strong><\/li>\n<\/ul>\n<p>Sert malzemeleri \u00f6\u011f\u00fct\u00fcrken, besleme malzemelerinin par\u00e7ac\u0131k boyutu gereksinimleri de daha kat\u0131d\u0131r. Titanyum tozu i\u00e7in, ezilmi\u015f kalsine edilmi\u015f malzeme 100~200 a\u011fda kontrol edilmelidir; y\u00fczey i\u015fleme malzemesinin \u00f6\u011f\u00fct\u00fclmesi genellikle 40~70 a\u011fd\u0131r, 2~5 a\u011fdan fazla de\u011fildir.<\/p>\n<ul>\n<li><strong>\u00c7al\u0131\u015fma s\u0131v\u0131s\u0131 s\u0131cakl\u0131\u011f\u0131<\/strong><\/li>\n<\/ul>\n<p>Y\u00fcksek s\u0131cakl\u0131klarda, \u00e7al\u0131\u015fma s\u0131v\u0131s\u0131ndaki gaz ak\u0131\u015f h\u0131z\u0131 artar. \u00d6rnek olarak havay\u0131 al\u0131n. Oda s\u0131cakl\u0131\u011f\u0131nda kritik h\u0131z 320m\/s&#8217;dir. S\u0131cakl\u0131k 480\u2103&#8217;ye y\u00fckseldi\u011finde, kritik h\u0131z 500m\/s&#8217;ye y\u00fckseltilebilir ve kinetik enerji de %150 oran\u0131nda art\u0131r\u0131l\u0131r. Etkisi olumlu.<\/p>\n<ul>\n<li><strong>\u0130\u015f malzemesinin bas\u0131nc\u0131<\/strong><\/li>\n<\/ul>\n<p>\u00c7al\u0131\u015fma hidrolik bas\u0131nc\u0131, jet ak\u0131\u015f h\u0131z\u0131n\u0131 olu\u015fturan ve \u00f6\u011f\u00fctme inceli\u011fini etkileyen ana parametredir. Genel olarak konu\u015fursak, \u00e7al\u0131\u015fma bas\u0131nc\u0131 ne kadar y\u00fcksek ve \u00e7al\u0131\u015fma h\u0131z\u0131 o kadar h\u0131zl\u0131 olursa, esas olarak malzemenin \u00f6\u011f\u00fct\u00fclebilirlik ve incelik gereksinimlerine ba\u011fl\u0131 olan kinetik enerji o kadar y\u00fcksek olur.<\/p>\n<ul>\n<li><strong>\u00a0Ta\u015flama yard\u0131mc\u0131lar\u0131<\/strong><\/li>\n<\/ul>\n<p>Jet de\u011firmenin \u00f6\u011f\u00fctme i\u015flemi s\u0131ras\u0131nda, uygun bir \u00f6\u011f\u00fctme yard\u0131mc\u0131s\u0131 eklenirse, sadece \u00f6\u011f\u00fctme verimlili\u011fi de\u011fil, ayn\u0131 zamanda \u00fcr\u00fcn\u00fcn ortam i\u00e7inde da\u011f\u0131labilirli\u011fi de iyile\u015ftirilebilir.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Jet de\u011firmeni, tozlar\u0131n birbirine \u00e7arpmas\u0131n\u0131, \u00e7arp\u0131\u015fmas\u0131n\u0131 ve \u00f6\u011f\u00fct\u00fclmesini sa\u011flamak i\u00e7in birbirine s\u00fcrtmesini sa\u011flamak i\u00e7in y\u00fcksek h\u0131zl\u0131 hava ak\u0131\u015f enerjisi (300~500m\/s) veya a\u015f\u0131r\u0131 \u0131s\u0131t\u0131lm\u0131\u015f buhar (300~400\u2103) kullanan bir t\u00fcr ekipmand\u0131r.<\/p>\n","protected":false},"author":6,"featured_media":83824,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[851],"tags":[1653,884],"class_list":["post-114670","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-endustri-haberleri-tr","tag-ogutme-verimliligi","tag-pnomatik-degirmen"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.alpapowder.com\/tr\/wp-json\/wp\/v2\/posts\/114670","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\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/tr\/wp-json\/wp\/v2\/comments?post=114670"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/tr\/wp-json\/wp\/v2\/posts\/114670\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/tr\/wp-json\/wp\/v2\/media\/83824"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/tr\/wp-json\/wp\/v2\/media?parent=114670"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/tr\/wp-json\/wp\/v2\/categories?post=114670"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/tr\/wp-json\/wp\/v2\/tags?post=114670"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}