{"id":40690,"date":"2024-01-02T15:14:02","date_gmt":"2024-01-02T13:14:02","guid":{"rendered":"https:\/\/obera.fr\/non-classifiee\/proces-odstranovani-prachu-a-riziko-vybuchu-nebo-pozaru\/"},"modified":"2025-04-15T10:23:09","modified_gmt":"2025-04-15T08:23:09","slug":"procede-depoussierage-risque-explosion-incendie","status":"publish","type":"post","link":"https:\/\/obera.fr\/cs\/nase-rady\/procede-depoussierage-risque-explosion-incendie\/","title":{"rendered":"Proces odstra\u0148ov\u00e1n\u00ed prachu a riziko v\u00fdbuchu nebo po\u017e\u00e1ru"},"content":{"rendered":"\n<p><strong>Odlu\u010dova\u010de prachu<\/strong> se pou\u017e\u00edvaj\u00ed k zabr\u00e1n\u011bn\u00ed nebezpe\u010d\u00ed po\u017e\u00e1ru a v\u00fdbuchu v pr\u016fmyslov\u00fdch procesech, kde jsou suspendov\u00e1ny velmi jemn\u00e9 \u010d\u00e1stice. Tato rizika se v\u0161ak \u010dasto p\u0159en\u00e1\u0161ej\u00ed na syst\u00e9m ods\u00e1v\u00e1n\u00ed prachu, kter\u00fd ho\u0159lav\u00fd prach nas\u00e1v\u00e1 a filtruje. Preventivn\u00ed a <strong>ochrann\u00e1<\/strong> opat\u0159en\u00ed se proto mus\u00ed vztahovat i <strong>na syst\u00e9m ods\u00e1v\u00e1n\u00ed prachu<\/strong>.  <\/p>\n\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img decoding=\"async\" width=\"1024\" height=\"444\" src=\"https:\/\/obera.fr\/wp-content\/uploads\/2024\/01\/16802-1024x444.jpg\" alt=\"V&#xFD;buch  \" class=\"wp-image-27454\" style=\"width:458px;height:auto\" srcset=\"https:\/\/obera.fr\/wp-content\/uploads\/2024\/01\/16802-1024x444.jpg 1024w, https:\/\/obera.fr\/wp-content\/uploads\/2024\/01\/16802-300x130.jpg 300w, https:\/\/obera.fr\/wp-content\/uploads\/2024\/01\/16802-768x333.jpg 768w, https:\/\/obera.fr\/wp-content\/uploads\/2024\/01\/16802-1536x666.jpg 1536w, https:\/\/obera.fr\/wp-content\/uploads\/2024\/01\/16802-2048x888.jpg 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n<h2 class=\"wp-block-heading\">Principy fungov\u00e1n\u00ed r\u016fzn\u00fdch typ\u016f odlu\u010dova\u010d\u016f prachu<\/h2>\n\n<p>Rozli\u0161uj\u00ed se such\u00e9 odlu\u010dova\u010de prachu (cyklony, s\u00e1\u010dkov\u00e9 filtry, s\u00e1\u010dkov\u00e9 nebo kazetov\u00e9 filtry, elektrostatick\u00e9 odlu\u010dova\u010de) a mokr\u00e9 odlu\u010dova\u010de <strong>prachu<\/strong>.<\/p>\n\n<p><strong>Cyklony vyu\u017e\u00edvaj\u00ed odst\u0159edivou s\u00edlu k<\/strong> odd\u011blen\u00ed prachu od vzduchu, kter\u00fd jej p\u0159en\u00e1\u0161\u00ed. Shora dol\u016f nab\u00fdvaj\u00ed tvaru v\u00e1lce a pot\u00e9 zkr\u00e1cen\u00e9ho ku\u017eele. V horn\u00ed \u010d\u00e1sti horn\u00edho v\u00e1lce je vstup zapr\u00e1\u0161en\u00e9ho vzduchu, kter\u00fd je te\u010dn\u00fd k obvodu cyklonu. Vstupuj\u00edc\u00ed zapr\u00e1\u0161en\u00fd vzduch p\u0159i sestupu rotuje kolem st\u011bn a gravita\u010dn\u011b se odd\u011bluje od hrub\u0161\u00edch \u010d\u00e1stic. St\u0159edem cyklonu pak vzduch stoup\u00e1 k horn\u00ed \u010d\u00e1sti, kde je um\u00edst\u011bn v\u00fdstup. Hrub\u00fd prach se hromad\u00ed na dn\u011b ku\u017eele a je <strong>odv\u00e1d\u011bn p\u0159es ods\u00e1vac\u00ed za\u0159\u00edzen\u00ed<\/strong> (dvojit\u00e1 klapka, stavidlo nebo rota\u010dn\u00ed ventil). Na v\u00fdstupu vzduch st\u00e1le obsahuje nejjemn\u011bj\u0161\u00ed prach, kter\u00fd m\u016f\u017ee odstranit pouze s\u00e1\u010dkov\u00fd nebo kazetov\u00fd vysava\u010d.      <\/p>\n\n<p>S\u00e1\u010dkov\u00fd, kazetov\u00fd nebo kapsov\u00fd filtr funguje na stejn\u00e9m principu jako dom\u00e1c\u00ed vysava\u010d. Ka\u017ed\u00fd filtra\u010dn\u00ed s\u00e1\u010dek, kapsa nebo kazeta zastav\u00ed prach na sv\u00e9m povrchu a propust\u00ed bezpra\u0161n\u00fd vzduch. Sb\u011bra\u010d prachu se skl\u00e1d\u00e1 ze dvou \u010d\u00e1st\u00ed: Jedna \u010d\u00e1st p\u0159ij\u00edm\u00e1 pra\u0161n\u00fd vzduch ze za\u0159\u00edzen\u00ed na sb\u011br prachu; filtra\u010dn\u00ed ruk\u00e1vy zadr\u017euj\u00ed prach a z\u00e1rove\u0148 propou\u0161t\u011bj\u00ed vzduch. Z\u00e1sobn\u00edk ve spodn\u00ed \u010d\u00e1sti prachov\u00e9 \u010d\u00e1sti shroma\u017e\u010fuje prach nahromad\u011bn\u00fd v ruk\u00e1vech, kter\u00fd se uvol\u0148uje <strong>poka\u017ed\u00e9, kdy\u017e je filtr odclon\u011bn<\/strong> (prot\u0159ep\u00e1n nebo profouknut stla\u010den\u00fdm vzduchem). Z\u00e1sobn\u00edk se vyprazd\u0148uje do uzav\u0159en\u00e9 n\u00e1doby nebo pomoc\u00ed oto\u010dn\u00e9ho ventilu. V druh\u00e9 \u010d\u00e1sti vystupuje odpra\u0161ovan\u00fd vzduch z filtru a je veden do potrub\u00ed, do n\u011bho\u017e ventil\u00e1tor nas\u00e1v\u00e1 proud vzduchu, kter\u00fd vyh\u00e1n\u00ed nebo znovu p\u0159iv\u00e1d\u00ed do m\u00edstnosti.     <\/p>\n\n<p><strong> Elektrostatick\u00fd odlu\u010dova\u010d<\/strong> (nebo elektrofiltr) funguje na z\u00e1klad\u011b vz\u00e1jemn\u00e9 p\u0159ita\u017elivosti dvou prvk\u016f s opa\u010dn\u00fdm elektrick\u00fdm n\u00e1bojem. <a href=\"https:\/\/obera.fr\/cs\/produits\/depoussiereurs-industriels\/\">Pr\u016fmyslov\u00fd odlu\u010dova\u010d prachu<\/a> negativn\u011b nab\u00edj\u00ed prach suspendovan\u00fd v proudu vzduchu. D\u011bje se tak pr\u016fchodem p\u0159es s\u00ed\u0165 vodi\u010d\u016f s velmi vysok\u00fdm nap\u011bt\u00edm (anoda). Prach je pot\u00e9 odd\u011blen od proudu vzduchu t\u00edm, \u017ee je p\u0159itahov\u00e1n ke kladn\u011b nabit\u00fdm st\u011bn\u00e1m (katoda), ke kter\u00fdm se p\u0159ichyt\u00ed. Nahromad\u011bn\u00fd prach se pak z katod odstran\u00ed <strong>otlouk\u00e1n\u00edm nebo \u010di\u0161t\u011bn\u00edm vodou<\/strong>. Prach se shroma\u017e\u010fuje v z\u00e1sobn\u00edku.     <\/p>\n\n<p>Mokr\u00fd odlu\u010dova\u010d prachu propou\u0161t\u00ed proud vzduchu s prachem p\u0159es sloupec vody (bubl\u00e1n\u00ed) nebo clonu st\u00e9kaj\u00edc\u00ed vody nebo mlhu protiproud\u00e9ho vodn\u00edho spreje. Prach ulp\u00edv\u00e1 na molekul\u00e1ch vody a odd\u011bluje se od vzduchu. <\/p>\n\n<p><\/p>\n\n<h2 class=\"wp-block-heading\">Nebezpe\u010d\u00ed po\u017e\u00e1ru nebo v\u00fdbuchu v za\u0159\u00edzen\u00ed na ods\u00e1v\u00e1n\u00ed prachu<\/h2>\n\n<h3 class=\"wp-block-heading\">Riziko vzniku ATEX<\/h3>\n\n<p>Aby <strong>se v cyklonu vytvo\u0159il ATEX<\/strong>, mus\u00ed hladina prachu v proudu vzduchu dos\u00e1hnout v\u00fdbu\u0161n\u00e9ho rozsahu a pod\u00edl jemn\u00fdch \u010d\u00e1stic mus\u00ed b\u00fdt dostate\u010dn\u00fd. Hrub\u00e9 \u010d\u00e1stice maj\u00ed na plamen ochlazuj\u00edc\u00ed \u00fa\u010dinek a p\u0159i jejich velk\u00e9m mno\u017estv\u00ed br\u00e1n\u00ed jeho \u0161\u00ed\u0159en\u00ed. <\/p>\n\n<p>Proud prachem zat\u00ed\u017een\u00e9ho vzduchu proch\u00e1zej\u00edc\u00ed potrub\u00edm vstupuje do sb\u011bra\u010de prachu a\u017e do t\u011blesa s\u00e1\u010dkov\u00e9ho za\u0159\u00edzen\u00ed a m\u016f\u017ee p\u0159edstavovat ATEX, pokud je koncentrace prachu v proudu vzduchu v <strong>rozsahu v\u00fdbu\u0161nosti<\/strong>. V takov\u00e9m p\u0159\u00edpad\u011b se ATEX dostane do sb\u011bra\u010de prachu.   <\/p>\n\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/obera.fr\/wp-content\/uploads\/2024\/01\/dustomat-hydro-1-1024x576.png\" alt=\"Logo Atex\" class=\"wp-image-27514\" style=\"width:432px;height:auto\" srcset=\"https:\/\/obera.fr\/wp-content\/uploads\/2024\/01\/dustomat-hydro-1-1024x576.png 1024w, https:\/\/obera.fr\/wp-content\/uploads\/2024\/01\/dustomat-hydro-1-300x169.png 300w, https:\/\/obera.fr\/wp-content\/uploads\/2024\/01\/dustomat-hydro-1-768x432.png 768w, https:\/\/obera.fr\/wp-content\/uploads\/2024\/01\/dustomat-hydro-1-1536x864.png 1536w, https:\/\/obera.fr\/wp-content\/uploads\/2024\/01\/dustomat-hydro-1-2048x1152.png 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n<p>Vytvo\u0159en\u00ed ATEX m\u016f\u017ee b\u00fdt do\u010dasn\u00e9. V z\u00e1vislosti na procesu se m\u016f\u017ee \u00farove\u0148 prachu v proudu vzduchu v potrub\u00ed v pr\u016fb\u011bhu \u010dasu m\u011bnit. M\u00edra emis\u00ed ho\u0159lav\u00fdch \u010d\u00e1stic b\u011bhem provozu spot\u0159ebi\u010de nemus\u00ed b\u00fdt konstantn\u00ed, zejm\u00e9na b\u011bhem spou\u0161t\u011bn\u00ed nebo vyp\u00edn\u00e1n\u00ed procesu, p\u0159eru\u0161ovan\u00fdch operac\u00ed, provozn\u00edch f\u00e1z\u00ed atd. <strong>Pneumatick\u00e9 \u010di\u0161t\u011bn\u00ed s\u00e1\u010dk\u016f nebo kazet<\/strong> obecn\u011b vytv\u00e1\u0159\u00ed ATEX, proto\u017ee nejjemn\u011bj\u0161\u00ed \u010d\u00e1stice se \u010di\u0161t\u011bn\u00edm dost\u00e1vaj\u00ed zp\u011bt do nadprahov\u00fdch \u010d\u00e1stic, a nav\u00edc p\u0159\u00edpadn\u011b p\u0159i zastaven\u00ed za\u0159\u00edzen\u00ed (\u010di\u0161t\u011bn\u00ed na konci cyklu).<\/p>\n\n<p>P\u0159i pou\u017eit\u00ed mokr\u00e9ho odlu\u010dova\u010de prachu k filtraci vzduchu obsahuj\u00edc\u00edho kovov\u00e9 \u010d\u00e1stice (zejm\u00e9na hlin\u00edk) existuje riziko chemick\u00e9 reakce mezi vodou a kovem za vzniku vod\u00edku. Povaha kovu ovliv\u0148uje kinetiku reakce a p\u0159i b\u011b\u017en\u00e9m provozu odlu\u010dova\u010de prachu je m\u00edra emise vod\u00edku nedostate\u010dn\u00e1. P\u0159i vypnut\u00e9m sb\u011bra\u010di prachu se m\u016f\u017ee vod\u00edk hromadit ve st\u0159\u00ed\u0161ce, \u010d\u00edm\u017e vznik\u00e1 riziko ATEX. Na druhou stranu <strong>mokr\u00e9 odpr\u00e1\u0161en\u00ed<\/strong> je z hlediska ATEX obecn\u011b nejbezpe\u010dn\u011bj\u0161\u00edm typem odpr\u00e1\u0161en\u00ed, proto\u017ee zdroje vzn\u00edcen\u00ed jsou zpravidla uhaseny p\u016fsoben\u00edm vody.   <\/p>\n\n<h3 class=\"wp-block-heading\">Nebezpe\u010d\u00ed vzn\u00edcen\u00ed a v\u00fdbuchu ATEX<\/h3>\n\n<p>Proud\u011bn\u00ed prachem zat\u00ed\u017een\u00e9ho vzduchu potrub\u00edm podl\u00e9h\u00e1 elektrostatick\u00e9mu nab\u00edjen\u00ed prachu, kter\u00fd se ot\u00edr\u00e1 o st\u011bnu. Tento jev se m\u016f\u017ee vyskytovat i v prachem zne\u010di\u0161t\u011bn\u00e9 \u010d\u00e1sti odlu\u010dova\u010d\u016f prachu. K elektrostatick\u00e9mu v\u00fdboji m\u016f\u017ee doj\u00edt v potrub\u00ed nebo v odlu\u010dova\u010di prachu. Uvoln\u011bn\u00e1 energie se odhaduje na m\u00e9n\u011b ne\u017e 10 mJ. Pokud uvoln\u011bn\u00e1 energie p\u0159ekro\u010d\u00ed minim\u00e1ln\u00ed z\u00e1palnou energii suspendovan\u00e9ho prachu,<strong> elektrostatick\u00fd v\u00fdboj bude zdrojem vzn\u00edcen\u00ed<\/strong>, co\u017e povede k v\u00fdbuchu podle sm\u011brnice ATEX v potrub\u00ed nebo v prachem zat\u00ed\u017een\u00e9 \u010d\u00e1sti pytlov\u00e9ho vysava\u010de.    <\/p>\n\n<p>Elektrostatick\u00fd odlu\u010dova\u010d pracuje na z\u00e1klad\u011b rozd\u00edlu potenci\u00e1l\u016f mezi anodou a katodou. V d\u016fsledku intenzity tohoto rozd\u00edlu je t\u0159eba upravit vzd\u00e1lenost mezi elektrodami, aby nedo\u0161lo ke vzniku elektrick\u00e9ho oblouku (pr\u016frazu), kter\u00fd je zdrojem vzn\u00edcen\u00ed ATEX. <\/p>\n\n<p>Proces m\u016f\u017ee emitovat jak prach, tak \u017ehav\u00e9 \u010d\u00e1stice (mlet\u00ed, fr\u00e9zov\u00e1n\u00ed atd.). Ty mohou b\u00fdt zdrojem vzn\u00edcen\u00ed pro ATEX p\u0159\u00edtomn\u00fd v pra\u0161n\u00e9 \u010d\u00e1sti nebo ve <strong>filtra\u010dn\u00edch s\u00e1\u010dc\u00edch odlu\u010dova\u010de prachu<\/strong>. V takov\u00e9m p\u0159\u00edpad\u011b se obecn\u011b up\u0159ednost\u0148uje mokr\u00e9 odpr\u00e1\u0161en\u00ed nebo such\u00e9 odpr\u00e1\u0161en\u00ed s p\u0159edb\u011b\u017en\u00fdm odlu\u010dov\u00e1n\u00edm jisker a za\u0159\u00edzen\u00edm pro detekci a zh\u00e1\u0161en\u00ed jisker.  <\/p>\n\n<h3 class=\"wp-block-heading\">Nebezpe\u010d\u00ed po\u017e\u00e1ru<\/h3>\n\n<p>Zku\u0161enosti z hav\u00e1ri\u00ed ukazuj\u00ed, \u017ee po<strong>v\u00fdbuchu v pytlovn\u011b<\/strong> \u010dasto n\u00e1sleduje po\u017e\u00e1r prachu usazen\u00e9ho na dn\u011b n\u00e1sypky a ve filtru a n\u00e1sledn\u011b i ve filtru samotn\u00e9m.  <\/p>\n\n<p>Filtrace pra\u0161n\u00e9ho vzduchu nezp\u016fsobuje zah\u0159\u00edv\u00e1n\u00ed prachu. U filtra\u010dn\u00edch odlu\u010dova\u010d\u016f prachu proto nehroz\u00ed nebezpe\u010d\u00ed po\u017e\u00e1ru v d\u016fsledku samovoln\u00e9ho zah\u0159\u00edv\u00e1n\u00ed, s v\u00fdjimkou zvl\u00e1\u0161tn\u00edch p\u0159\u00edpad\u016f, kdy <strong>zachycen\u00e9 l\u00e1tky p\u0159i okoln\u00ed teplot\u011b <\/strong>maj\u00ed kritick\u00fd objem samovoln\u00e9ho zah\u0159\u00edv\u00e1n\u00ed. Pokud tento objem na dn\u011b filtru p\u0159ekro\u010d\u00ed, je riziko po\u017e\u00e1ru z\u0159ejm\u00e9.  <\/p>\n\n<h2 class=\"wp-block-heading\">Prevence rizik a ochrann\u00e1 opat\u0159en\u00ed ATEX pro odlu\u010dova\u010de prachu.<\/h2>\n\n<h3 class=\"wp-block-heading\">Preventivn\u00ed opat\u0159en\u00ed podle typu odlu\u010dova\u010de prachu<\/h3>\n\n<p>Opat\u0159en\u00ed proti<a href=\"https:\/\/obera.fr\/cs\/nase-rady\/procedes-industriels-prevention-risques-explosion-depoussiereurs-industriels\/\"> po\u017e\u00e1ru a v\u00fdbuchu<\/a> u pytlov\u00fdch sb\u011bra\u010d\u016f prachu spo\u010d\u00edv\u00e1 v potla\u010den\u00ed elektrostatick\u00fdch v\u00fdboj\u016f pomoc\u00ed antistatick\u00fdch s\u00e1\u010dk\u016f. Studie nehod v\u0161ak ukazuj\u00ed, \u017ee zapomenut\u00ed na uzemn\u011bn\u00ed tohoto typu filtru m\u016f\u017ee v\u00e9st k <strong>elektrostatick\u00fdm v\u00fdboj\u016fm, kter\u00e9 p\u0159ekra\u010duj\u00ed minim\u00e1ln\u00ed z\u00e1palnou energii<\/strong> b\u011b\u017en\u00fdch prach\u016f. Tato porucha by byla nebezpe\u010dn\u011bj\u0161\u00ed ne\u017e u filtr\u016f s neantistatick\u00fdmi ruk\u00e1vy.  <\/p>\n\n<p>V p\u0159\u00edpad\u011b vakov\u00e9 komory jsou sou\u010d\u00e1st\u00ed prevence ATEX pravideln\u00e9 kontroly, zda vaky nejsou opot\u0159ebovan\u00e9, odepnut\u00e9 nebo prop\u00edchnut\u00e9. Ke kontrole<strong> t\u011bsnosti vak\u016f<\/strong> lze pou\u017e\u00edt kontrolu vstupn\u00edch\/v\u00fdstupn\u00edch tlak\u016f a mont\u00e1\u017e opacimetru v nepr\u00e1\u0161en\u00e9 z\u00f3n\u011b. <\/p>\n\n<p>Aby se p\u0159ede\u0161lo riziku elektrostatick\u00e9ho vzn\u00edcen\u00ed, mus\u00ed b\u00fdt kovov\u00e9 \u010d\u00e1sti pytlovny uzemn\u011bny, v\u010detn\u011b potrub\u00ed. Tot\u00e9\u017e plat\u00ed pro cyklon. Elektrick\u00e9 sou\u010d\u00e1sti uvnit\u0159 sb\u011bra\u010de prachu mus\u00ed rovn\u011b\u017e spl\u0148ovat p\u0159edpisy ATEX.    <\/p>\n\n<p>Jedn\u00edm z preventivn\u00edch opat\u0159en\u00ed proti \u017ehav\u00fdm \u010d\u00e1stic\u00edm je instalace p\u0159ed\u0159azen\u00e9ho odlu\u010dova\u010de prachu p\u0159ed hlavn\u00edm odlu\u010dova\u010dem, a to bu\u010f ve form\u011b cyklonu, n\u00e1razov\u00e9ho odlu\u010dova\u010de, nebo za\u0159\u00edzen\u00ed pro <strong>detekci a zh\u00e1\u0161en\u00ed jisker<\/strong>.<\/p>\n\n<p>V p\u0159\u00edpad\u011b elektrostatick\u00e9ho odlu\u010dova\u010de zabr\u00e1n\u00ed pravideln\u00e1 kontrola nastaven\u00ed rozd\u00edlu potenci\u00e1l\u016f a vzd\u00e1lenosti mezi elektrodami riziku vzniku elektrick\u00e9ho oblouku.<\/p>\n\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/obera.fr\/wp-content\/uploads\/2024\/01\/dustomat-hydro-2-1024x576.png\" alt=\"dustomat hydro 2\" class=\"wp-image-27518\" style=\"width:441px;height:auto\" srcset=\"https:\/\/obera.fr\/wp-content\/uploads\/2024\/01\/dustomat-hydro-2-1024x576.png 1024w, https:\/\/obera.fr\/wp-content\/uploads\/2024\/01\/dustomat-hydro-2-300x169.png 300w, https:\/\/obera.fr\/wp-content\/uploads\/2024\/01\/dustomat-hydro-2-768x432.png 768w, https:\/\/obera.fr\/wp-content\/uploads\/2024\/01\/dustomat-hydro-2-1536x864.png 1536w, https:\/\/obera.fr\/wp-content\/uploads\/2024\/01\/dustomat-hydro-2-2048x1152.png 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n<p><strong> Prevence v\u00fdbuch\u016f ATEX <\/strong>v mokr\u00fdch hlasov\u00fdch sb\u011bra\u010d\u00edch prachu spo\u010d\u00edv\u00e1 v: odv\u011btr\u00e1v\u00e1n\u00ed objemu p\u0159i zastaven\u00ed, aby se zabr\u00e1nilo hromad\u011bn\u00ed vod\u00edku, detekci vod\u00edku ve vrchl\u00edku sb\u011bra\u010de prachu. Tento typ sb\u011bra\u010de prachu by m\u011bl b\u00fdt instalov\u00e1n venku, aby se z\u0159edila p\u0159\u00edtomnost vod\u00edku, nebo v m\u00edstnosti vybaven\u00e9 ventilac\u00ed speci\u00e1ln\u011b navr\u017eenou pro riziko v\u00fdbuchu. Existuje riziko po\u017e\u00e1ru topn\u00fdch t\u011bles pou\u017e\u00edvan\u00fdch k zamrznut\u00ed mokr\u00e9ho sb\u011bra\u010de prachu. Je t\u0159eba zkontrolovat pono\u0159en\u00ed t\u011bchto topn\u00fdch t\u011bles.   <\/p>\n\n<p><\/p>\n\n<h3 class=\"wp-block-heading\">Ochrann\u00e1 opat\u0159en\u00ed<\/h3>\n\n<p>Ochrann\u00e1 opat\u0159en\u00ed se t\u00fdkaj\u00ed :  <\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>Vybaven\u00ed sb\u011bra\u010de prachu v\u00fdbu\u0161n\u00fdmi otvory<\/strong>: \u010d\u00e1st st\u011bny sb\u011bra\u010de prachu, kter\u00e1 se otev\u0159e, jakmile za\u010dne vznikat p\u0159etlak v d\u016fsledku vnit\u0159n\u00edho v\u00fdbuchu ATEX, aby se odvedly plyny a p\u0159etlak.<\/li>\n\n\n\n<li><strong>Pou\u017eit\u00ed tlumi\u010d\u016f v\u00fdbuchu<\/strong>: za\u0159\u00edzen\u00ed, kter\u00e9 detekuje za\u010d\u00e1tek v\u00fdbuchu uvnit\u0159 sb\u011bra\u010de prachu, zabra\u0148uje v\u00fdbuchu v dosa\u017een\u00ed maxim\u00e1ln\u00edho p\u0159etlaku vst\u0159\u00edknut\u00edm hasic\u00edho prost\u0159edku a chr\u00e1n\u00ed st\u011bny sb\u011bra\u010de prachu p\u0159ed roztr\u017een\u00edm.  <\/li>\n\n\n\n<li><strong>Odd\u011blen\u00ed odlu\u010dova\u010de prachu<\/strong> od zbytku instalace, aby se zabr\u00e1nilo roz\u0161\u00ed\u0159en\u00ed v\u00fdbuchu v odlu\u010dova\u010di prachu na potrub\u00ed. To zahrnuje instalaci ventilu na potrub\u00ed spojuj\u00edc\u00ed sb\u011bra\u010d prachu, kter\u00fd se automaticky uzav\u0159e pod vlivem tlakov\u00e9 vlny (zp\u011btn\u00fd ventil ATEX nebo rychlouzav\u00edrac\u00ed ventil). <\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Odlu\u010dova\u010de prachu se pou\u017e\u00edvaj\u00ed k zabr\u00e1n\u011bn\u00ed nebezpe\u010d\u00ed po\u017e\u00e1ru a v\u00fdbuchu v pr\u016fmyslov\u00fdch procesech, kde jsou suspendov\u00e1ny velmi jemn\u00e9 \u010d\u00e1stice. Tato rizika se v\u0161ak \u010dasto p\u0159en\u00e1\u0161ej\u00ed na syst\u00e9m ods\u00e1v\u00e1n\u00ed prachu, kter\u00fd ho\u0159lav\u00fd prach nas\u00e1v\u00e1 a filtruje. Preventivn\u00ed a ochrann\u00e1 opat\u0159en\u00ed se proto mus\u00ed vztahovat i na syst\u00e9m ods\u00e1v\u00e1n\u00ed prachu.  <\/p>\n","protected":false},"author":4,"featured_media":81596,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_robots_primary_cat":"none","_seopress_titles_title":"Proces odstra\u0148ov\u00e1n\u00ed prachu a riziko v\u00fdbuchu nebo po\u017e\u00e1ru","_seopress_titles_desc":"D\u00edky procesu odstra\u0148ov\u00e1n\u00ed prachu se vyhnete riziku v\u00fdbuchu a po\u017e\u00e1ru. Dodr\u017eujte bezpe\u010dnostn\u00ed normy a pracovn\u00ed p\u0159edpisy. ","_seopress_robots_index":"","footnotes":""},"categories":[310],"tags":[113],"class_list":["post-40690","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\/40690","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=40690"}],"version-history":[{"count":3,"href":"https:\/\/obera.fr\/cs\/wp-json\/wp\/v2\/posts\/40690\/revisions"}],"predecessor-version":[{"id":82225,"href":"https:\/\/obera.fr\/cs\/wp-json\/wp\/v2\/posts\/40690\/revisions\/82225"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/obera.fr\/cs\/wp-json\/wp\/v2\/media\/81596"}],"wp:attachment":[{"href":"https:\/\/obera.fr\/cs\/wp-json\/wp\/v2\/media?parent=40690"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/obera.fr\/cs\/wp-json\/wp\/v2\/categories?post=40690"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/obera.fr\/cs\/wp-json\/wp\/v2\/tags?post=40690"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}