{"id":49357,"date":"2023-03-01T16:26:45","date_gmt":"2023-03-01T14:26:45","guid":{"rendered":"https:\/\/obera.fr\/non-classifiee\/jak-charakterizujete-riziko-vzniku-atex-a-riziko-vybuchu\/"},"modified":"2025-05-06T08:34:57","modified_gmt":"2025-05-06T06:34:57","slug":"comment-caracteriser-le-risque-de-formation-datex-et-le-risque-dexplosion","status":"publish","type":"post","link":"https:\/\/obera.fr\/cs\/nase-rady\/comment-caracteriser-le-risque-de-formation-datex-et-le-risque-dexplosion\/","title":{"rendered":"Jak charakterizujete riziko vzniku ATEX a riziko v\u00fdbuchu?"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">Vznik ATEX a nebezpe\u010d\u00ed v\u00fdbuchu<\/h2>\n\n<p>V\u00fdbuch ATEX je okam\u017eit\u00e1 a prudk\u00e1 reakce ho\u0159en\u00ed. Reaguj\u00ed p\u0159i n\u011bm dv\u011b l\u00e1tky: v\u00fdbu\u0161n\u00fd produkt a vzdu\u0161n\u00fd kysl\u00edk. Prvn\u00edm preventivn\u00edm opat\u0159en\u00edm proti v\u00fdbuchu je zabr\u00e1nit riziku vzniku ATEX extrakc\u00ed a filtrac\u00ed v\u00fdbu\u0161n\u00fdch l\u00e1tek.<\/p>\n\n<h3 class=\"wp-block-heading\">Kdy za\u010d\u00edn\u00e1 riziko vzniku ATEX?<\/h3>\n\n<p>Spojen\u00e9 kr\u00e1lovstv\u00ed, 2010. Ve skladu s hygienick\u00fdmi v\u00fdrobky v aerosolov\u00fdch plechovk\u00e1ch man\u00e9vroval vysokozdvi\u017en\u00fd voz\u00edk a narazil do palety. Vznikne ATEX, vypukne po\u017e\u00e1r, pak 80 sekund po prvn\u00edm v\u00fdbuchu, pak 150 sekund po druh\u00e9m v\u00fdbuchu, kter\u00fd zni\u010d\u00ed cel\u00fd sklad.<\/p>\n\n<p>Nebezpe\u010d\u00ed vzniku v\u00fdbu\u0161n\u00e9 atmosf\u00e9ry za\u010d\u00edn\u00e1, jakmile se do pr\u016fmyslov\u00e9ho are\u00e1lu dostane ho\u0159lav\u00fd v\u00fdrobek nebo jakmile p\u0159i p\u0159em\u011bn\u011b neho\u0159lav\u00e9ho v\u00fdrobku vznikne ho\u0159lav\u00e1 l\u00e1tka.<\/p>\n\n<p>Zam\u011bstnavatel pova\u017euje za bezpe\u010dnostn\u00ed opat\u0159en\u00ed, \u017ee p\u0159i jak\u00e9koli \u010dinnosti na pracovi\u0161ti existuje pravd\u011bpodobnost \u00faniku v\u00fdbu\u0161n\u00e9 l\u00e1tky do ovzdu\u0161\u00ed. V\u00fdbu\u0161n\u00e1 l\u00e1tka se uvol\u0148uje ve form\u011b ho\u0159lav\u00e9ho plynu, ho\u0159lav\u00fdch kapaln\u00fdch par nebo ho\u0159lav\u00e9ho prachu. Ka\u017ed\u00e1 v\u00fdbu\u0161n\u00e1 l\u00e1tka m\u00e1 sv\u016fj vlastn\u00ed zp\u016fsob tvorby ATEX.<\/p>\n\n<h3 class=\"wp-block-heading\">Jak se zvy\u0161uje riziko vzniku ATEX?<\/h3>\n\n<p>Nebezpe\u010d\u00ed vzniku v\u00fdbu\u0161n\u00e9 atmosf\u00e9ry se potvrzuje sledem ud\u00e1lost\u00ed, kter\u00e9 zvy\u0161uj\u00ed koncentraci v\u00fdbu\u0161n\u00e9 l\u00e1tky ve vzduchu.<\/p>\n\n<p>Za\u010dn\u011bme v\u00fdchoz\u00ed situac\u00ed, kdy ve vzduchu nejsou \u017e\u00e1dn\u00e9 ho\u0159lav\u00e9 l\u00e1tky. Kinetika rizika zahrnuje: p\u0159\u00edtomnost ho\u0159lav\u00e9ho produktu a kysl\u00edku v atmosf\u00e9\u0159e, pot\u00e9 \u00fa\u010dinn\u00e9 rozpt\u00fdlen\u00ed paliva v atmosf\u00e9\u0159e a n\u00e1sledn\u011b za\u010d\u00e1tek homogenizace. Kinetika z\u00e1vis\u00ed na vlastnostech ho\u0159lav\u00e9 l\u00e1tky (hustota, granulometrie atd.) a na vlastnostech atmosf\u00e9ry (turbulence, teplota, tlak atd.).<\/p>\n\n<p>Tyto ud\u00e1losti zp\u016fsobuj\u00ed, \u017ee sm\u011bs plyn\u016f m\u016f\u017ee b\u00fdt v\u00fdbu\u0161n\u00e1. M\u011bn\u00ed koncentraci v\u00fdbu\u0161n\u00e9 l\u00e1tky v atmosf\u00e9\u0159e. K reakci ho\u0159en\u00ed v\u0161ak nedojde, dokud je pom\u011br obou chemick\u00fdch reaktant\u016f nevyv\u00e1\u017een\u00fd. Proto\u017ee atmosf\u00e9ra nem\u016f\u017ee explodovat, m\u00e1me co do \u010din\u011bn\u00ed s v\u00fdbu\u0161nou atmosf\u00e9rou.<\/p>\n\n<pre class=\"wp-block-verse\"><strong>Rozsah v\u00fdbu\u0161nosti<\/strong>: v\u0161echny <strong>nev\u00fdbu\u0161n\u00e9<\/strong> koncentrace ho\u0159lav\u00e9ho produktu v atmosf\u00e9\u0159e. Charakterizuje pr\u016fb\u011bh rizika vzniku ATEX. <\/pre>\n\n<h3 class=\"wp-block-heading\">Kdy vznik\u00e1 riziko ATEX?<\/h3>\n\n<p>Riziko vzniku ATEX vznik\u00e1, kdy\u017e je koncentrace paliva takov\u00e1, \u017ee se sm\u011bs plyn\u016f st\u00e1v\u00e1 v\u00fdbu\u0161nou. V takov\u00e9m p\u0159\u00edpad\u011b nen\u00ed ani p\u0159\u00edli\u0161 chud\u00e1, ani p\u0159\u00edli\u0161 bohat\u00e1 na palivo; pom\u011br paliva a oxidant\u016f je dostate\u010dn\u011b vyv\u00e1\u017een\u00fd, aby do\u0161lo ke spalovac\u00ed reakci. V tomto okam\u017eiku je koncentrace paliva v <strong>rozsahu v\u00fdbu\u0161nosti<\/strong>. Za\u010d\u00edn\u00e1 hrozit nebezpe\u010d\u00ed v\u00fdbuchu.   <\/p>\n\n<pre class=\"wp-block-verse\"><strong>Rozsah v\u00fdbu\u0161nosti <\/strong>: soubor <strong>v\u00fdbu\u0161n\u00fdch <\/strong>koncentrac\u00ed ho\u0159lav\u00e9ho produktu v atmosf\u00e9\u0159e. Oblast, kde sm\u011bs plyn\u016f tvo\u0159\u00ed ATEX a mohla by za velmi specifick\u00fdch podm\u00ednek explodovat. <\/pre>\n\n<h3 class=\"wp-block-heading\">Riziko ATEX je charakterizov\u00e1no rozsahem v\u00fdbu\u0161nosti a rozsahem v\u00fdbu\u0161nosti.<\/h3>\n\n<p>Riziko vzniku ATEX je p\u0159edch\u016fdcem rizika v\u00fdbuchu ATEX spojen\u00e9ho s v\u00fdrobkem. Z\u00e1rove\u0148 k tomu p\u0159isp\u00edv\u00e1. Tato rizika charakterizuj\u00ed v\u00fdbu\u0161n\u00e1 a v\u00fdbu\u0161n\u00e1 p\u00e1sma.<\/p>\n\n<h4 class=\"wp-block-heading\">Pr\u016fb\u011bh koncentrac\u00ed ho\u0159lav\u00e9ho produktu od 0 % do 100 % ve vzduchu<\/h4>\n\n<figure class=\"wp-block-image size-large is-resized\"><img decoding=\"async\" src=\"https:\/\/obera.fr\/wp-content\/uploads\/2023\/03\/0-1024x555.png\" alt=\"Pr&#x16F;b&#x11B;h koncentrac&#xED; ho&#x159;lav&#xE9;ho produktu od 0 % do 100 % ve vzduchu\" class=\"wp-image-19175\" width=\"768\" height=\"416\" srcset=\"https:\/\/obera.fr\/wp-content\/uploads\/2023\/03\/0-1024x555.png 1024w, https:\/\/obera.fr\/wp-content\/uploads\/2023\/03\/0-300x163.png 300w, https:\/\/obera.fr\/wp-content\/uploads\/2023\/03\/0-768x416.png 768w, https:\/\/obera.fr\/wp-content\/uploads\/2023\/03\/0.png 1200w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/><\/figure>\n\n<p>Jedn\u00edm ze zp\u016fsob\u016f, jak zabr\u00e1nit riziku v\u00fdbuchu, je udr\u017eet koncentraci v\u00fdbu\u0161n\u00e9 l\u00e1tky mimo rozsah v\u00fdbu\u0161nosti. Aby zam\u011bstnavatel sn\u00ed\u017eil nebo vylou\u010dil riziko vzniku ATEX, sn\u00ed\u017e\u00ed nebo vylou\u010d\u00ed koncentraci v\u00fdbu\u0161n\u00e9 l\u00e1tky v doln\u00ed oblasti v\u00fdbu\u0161nosti. K dosa\u017een\u00ed t\u011bchto dvou c\u00edl\u016f p\u0159isp\u00edv\u00e1 ods\u00e1v\u00e1n\u00ed a filtrace v\u00fdbu\u0161n\u00e9 l\u00e1tky.<\/p>\n\n<p>N\u011bkdy pr\u016fmyslov\u00fd proces vy\u017eaduje pou\u017eit\u00ed vysok\u00fdch koncentrac\u00ed v\u00fdbu\u0161n\u00fdch l\u00e1tek. Zabr\u00e1nit riziku vzniku ATEX znamen\u00e1 udr\u017eovat jejich koncentraci v horn\u00ed hranici v\u00fdbu\u0161n\u00e9ho p\u00e1sma, co nejd\u00e1le od v\u00fdbu\u0161n\u00e9ho p\u00e1sma.<strong><u>sivita<\/u><\/strong>. V takov\u00e9m p\u0159\u00edpad\u011b je nej\u010dast\u011bji pou\u017e\u00edvan\u00fdm opat\u0159en\u00edm pro prevenci rizika vzniku ATEX pou\u017eit\u00ed inertn\u00ed l\u00e1tky, kter\u00e1 nahrazuje kysl\u00edk.  <\/p>\n","protected":false},"excerpt":{"rendered":"<p>V tomto \u010dl\u00e1nku se dozv\u00edte, co charakterizuje riziko vzniku ATEX a riziko v\u00fdbuchu v pr\u016fmyslov\u00fdch z\u00f3n\u00e1ch. V\u00fdbuch ATEX je okam\u017eit\u00e1 a prudk\u00e1 reakce ho\u0159en\u00ed. Reaguj\u00ed p\u0159i n\u011bm dv\u011b l\u00e1tky: v\u00fdbu\u0161n\u00fd produkt a vzdu\u0161n\u00fd kysl\u00edk. Zjist\u011bte, jak\u00e9 jsou prvn\u00ed kroky v prevenci v\u00fdbuchu.<\/p>\n","protected":false},"author":4,"featured_media":93518,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_robots_primary_cat":"none","_seopress_titles_title":"Charakteristika \u0161kolen\u00ed ATEX a rizik v\u00fdbuchu","_seopress_titles_desc":"V tomto \u010dl\u00e1nku se dozv\u00edte, jak charakterizovat riziko vzniku z\u00f3ny ATEX a riziko v\u00fdbuchu souvisej\u00edc\u00edho s ATEX.","_seopress_robots_index":"","_seopress_analysis_target_kw":"","footnotes":""},"categories":[310],"tags":[113],"class_list":["post-49357","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nase-rady","tag-entete-male","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50","no-featured-image-padding","resize-featured-image"],"acf":[],"_links":{"self":[{"href":"https:\/\/obera.fr\/cs\/wp-json\/wp\/v2\/posts\/49357","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/obera.fr\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/obera.fr\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/obera.fr\/cs\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/obera.fr\/cs\/wp-json\/wp\/v2\/comments?post=49357"}],"version-history":[{"count":5,"href":"https:\/\/obera.fr\/cs\/wp-json\/wp\/v2\/posts\/49357\/revisions"}],"predecessor-version":[{"id":93600,"href":"https:\/\/obera.fr\/cs\/wp-json\/wp\/v2\/posts\/49357\/revisions\/93600"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/obera.fr\/cs\/wp-json\/wp\/v2\/media\/93518"}],"wp:attachment":[{"href":"https:\/\/obera.fr\/cs\/wp-json\/wp\/v2\/media?parent=49357"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/obera.fr\/cs\/wp-json\/wp\/v2\/categories?post=49357"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/obera.fr\/cs\/wp-json\/wp\/v2\/tags?post=49357"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}