Klasifik\u00e1cia od St1 po St3 :<\/strong> T\u00e1to klasifik\u00e1cia je zalo\u017een\u00e1 na z\u00e1va\u017enosti v\u00fdbuchu prachu. Triedy St1 a\u017e St3 predstavuj\u00fa st\u00fapaj\u00face \u00farovne z\u00e1va\u017enosti, pri\u010dom St1 je najmenej z\u00e1va\u017en\u00e1 a St3 najz\u00e1va\u017enej\u0161ia. <\/p>\n\n<\/p>\n\n
Index KST meria r\u00fdchlos\u0165 n\u00e1rastu tlaku pri v\u00fdbuchu<\/strong>. Meria sa v bar.m\/s. \u010c\u00edm vy\u0161\u0161ia je hodnota Kst, t\u00fdm nebezpe\u010dnej\u0161\u00ed je v\u00fdbuch sp\u00f4soben\u00fd prachom.\n
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Klasifik\u00e1cia ATEX<\/strong>: Klasifik\u00e1cia ATEX vych\u00e1dza z eur\u00f3pskych smern\u00edc o v\u00fdbu\u0161n\u00fdch prostrediach. Prachy s\u00fa klasifikovan\u00e9 do skup\u00edn a z\u00f3n pod\u013ea ich hor\u013eavosti a v\u00fdbu\u0161nosti. Medzi skupiny patria nehor\u013eav\u00e9<\/strong> (skupina IIIA), hor\u013eav\u00e9 (skupina IIIB) a vodiv\u00e9 hor\u013eav\u00e9 (skupina IIIC). <\/p>\n<\/div>\n\n\n\n\n
Klasifik\u00e1cia NFPA<\/strong>: N\u00e1rodn\u00e1 asoci\u00e1cia po\u017eiarnej ochrany (NFPA) pou\u017e\u00edva na pos\u00fadenie hrozby v\u00fdbuchu prachu klasifik\u00e1ciu NFPA 499. Prachy sa klasifikuj\u00fa do hor\u013eav\u00fdch tried (triedy II a III) a nehor\u013eav\u00fdch tried (trieda IV). Ka\u017ed\u00e1 trieda sa \u010falej del\u00ed na podtriedy na z\u00e1klade hor\u013eavosti<\/strong>, z\u00e1palnej energie a elektrickej vodivosti prachu. <\/p>\n<\/div>\n\n\n\n\n
Hodnotenie Kst<\/strong>: Hodnotenie Kst (deflagra\u010dn\u00e1 kon\u0161tanta) sa pou\u017e\u00edva na pos\u00fadenie r\u00fdchlosti \u0161\u00edrenia v\u00fdbuchov v prachu. Je zalo\u017een\u00e1 na maxim\u00e1lnom tlaku, ktor\u00fd vznikne po\u010das v\u00fdbuchu. Prachy sa klasifikuj\u00fa pod\u013ea ich Kst od Kst 0 po Kst 300, \u010do predstavuje rast\u00facu \u0161k\u00e1lu rizika v\u00fdbuchu<\/strong>. <\/p>\n<\/div>\n<\/div>\n\nJe d\u00f4le\u017eit\u00e9 pozna\u0165 a pochopi\u0165 klasifik\u00e1ciu prachov ATEX, aby bolo mo\u017en\u00e9 prija\u0165 vhodn\u00e9 bezpe\u010dnostn\u00e9 opatrenia v prostred\u00ed, kde sa vyskytuj\u00fa. To umo\u017e\u0148uje zavies\u0165 postupy riadenia riz\u00edk<\/strong> a vybra\u0165 vhodn\u00e9 vybavenie na predch\u00e1dzanie v\u00fdbuchom a zaistenie bezpe\u010dnosti pracovn\u00edkov. <\/p>\n\nCharakteristika hor\u013eav\u00fdch prachov<\/h2>\n\n Ide o hor\u013eav\u00e9 pevn\u00e9 \u010dastice, ktor\u00e9 po rozpt\u00fdlen\u00ed vo vzduchu m\u00f4\u017eu vytvori\u0165 potenci\u00e1lne nebezpe\u010dn\u00fa v\u00fdbu\u0161n\u00fa zmes<\/strong>. Tieto prachy \u010dasto vznikaj\u00fa pri priemyseln\u00fdch procesoch, ako je manipul\u00e1cia, mletie, mie\u0161anie, su\u0161enie alebo spa\u013eovanie pevn\u00fdch materi\u00e1lov. <\/p>\n\nHor\u013eavos\u0165:<\/strong> Prach m\u00e1 schopnos\u0165 horie\u0165 alebo sa vznieti\u0165, ak je vystaven\u00fd zdroju horenia, ako je iskra, otvoren\u00fd plame\u0148, vysok\u00e1 teplota alebo elektrostatick\u00fd v\u00fdboj<\/strong>.<\/p>\n\nVe\u013ekos\u0165 \u010dast\u00edc<\/strong>: Prach sa m\u00f4\u017ee l\u00ed\u0161i\u0165 ve\u013ekos\u0165ou \u010dast\u00edc. Jemnej\u0161ie \u010dastice b\u00fdvaj\u00fa hor\u013eavej\u0161ie a m\u00f4\u017eu predstavova\u0165 vy\u0161\u0161iu hrozbu v\u00fdbuchu, preto\u017ee maj\u00fa v\u00e4\u010d\u0161\u00ed \u0161pecifick\u00fd povrch, \u010do podporuje r\u00fdchlej\u0161ie horenie<\/strong>. <\/p>\n\nKritick\u00e1 koncentr\u00e1cia<\/strong>: Existuje kritick\u00e1 koncentr\u00e1cia hor\u013eav\u00e9ho prachu vo vzduchu, zn\u00e1ma ako doln\u00e1 medza v\u00fdbu\u0161nosti (LEL) alebo minim\u00e1lna koncentr\u00e1cia v\u00fdbu\u0161nosti (MEC). Pod touto koncentr\u00e1ciou nie je zmes vzduchu a prachu dostato\u010dne hor\u013eav\u00e1 na to<\/strong>, aby sp\u00f4sobila v\u00fdbuch. Pri prekro\u010den\u00ed tejto koncentr\u00e1cie m\u00f4\u017ee v pr\u00edpade horenia vznikn\u00fa\u0165 v\u00fdbu\u0161n\u00e1 zmes. <\/p>\n\nCitlivos\u0165 na aktiva\u010dn\u00fa energiu:<\/strong> Hor\u013eav\u00e9 prachy m\u00f4\u017eu reagova\u0165 na r\u00f4zne zdroje aktiva\u010dnej energie, ako je teplo, elektrick\u00e9 iskry, elektrostatick\u00e9 v\u00fdboje a hor\u00face povrchy. Je d\u00f4le\u017eit\u00e9 minimalizova\u0165 alebo eliminova\u0165 tieto energie<\/strong> v priestoroch, kde sa prachy nach\u00e1dzaj\u00fa, aby sa zabr\u00e1nilo riziku v\u00fdbuchu. <\/p>\n\nR\u00fdchle spa\u013eovanie:<\/strong> Ke\u010f je hor\u013eav\u00fd prach vystaven\u00fd zdroju horenia, m\u00f4\u017ee ve\u013emi r\u00fdchlo horie\u0165, \u010d\u00edm vznik\u00e1 r\u00e1zov\u00e1 vlna a r\u00fdchly n\u00e1rast tlaku. To m\u00f4\u017ee vies\u0165 k prudk\u00e9mu v\u00fdbuchu a zna\u010dn\u00e9mu po\u0161kodeniu<\/strong> zariadenia a vybavenia. <\/p>\n\n\u0160\u00edrenie v\u00fdbuchu<\/strong>: Po\u010diato\u010dn\u00fd v\u00fdbuch v priestore, ktor\u00fd obsahuje hor\u013eav\u00e9 prachy, m\u00f4\u017ee sp\u00f4sobi\u0165 roz\u0161\u00edrenie v\u00fdbuchu do \u010fal\u0161\u00edch priestorov, v ktor\u00fdch sa nach\u00e1dzaj\u00fa zmesi. To m\u00f4\u017ee vies\u0165 k sekund\u00e1rnym v\u00fdbuchom, \u010d\u00edm<\/strong> sa zv\u00fd\u0161ia \u0161kody a nebezpe\u010denstvo pre pracovn\u00edkov. <\/p>\n\nCharakteristika hor\u013eav\u00fdch prachov<\/h2>\n\n Ide o pevn\u00e9 \u010dastice, ktor\u00e9 sa<\/strong> po rozpt\u00fdlen\u00ed vo vzduchu m\u00f4\u017eu vznieti\u0165 a po zap\u00e1len\u00ed horie\u0165<\/strong>. Tieto prachy m\u00f4\u017eu poch\u00e1dza\u0165 z r\u00f4znych zdrojov, ako s\u00fa suroviny, hotov\u00e9 v\u00fdrobky, v\u00fdrobn\u00e9 procesy alebo \u010dinnosti zah\u0155\u0148aj\u00face manipul\u00e1ciu s pevn\u00fdmi materi\u00e1lmi. Tu s\u00fa uveden\u00e9 niektor\u00e9 k\u013e\u00fa\u010dov\u00e9 vlastnosti hor\u013eav\u00fdch prachov: <\/p>\n\nHor\u013eavos\u0165:<\/strong> Maj\u00fa schopnos\u0165 horie\u0165, ke\u010f s\u00fa vystaven\u00e9 zdroju zap\u00e1lenia, ako je iskra, otvoren\u00fd plame\u0148, vysok\u00e1 teplota alebo elektrostatick\u00fd v\u00fdboj. S\u00fa schopn\u00e9udr\u017eiava\u0165 reakciu horenia <\/strong>, ke\u010f je pr\u00edtomn\u00fd dostato\u010dn\u00fd zdroj energie. <\/p>\n\nVe\u013ekos\u0165 \u010dast\u00edc<\/strong>: \u010castice m\u00f4\u017eu ma\u0165 r\u00f4znu ve\u013ekos\u0165. Jemnej\u0161ie \u010dastice maj\u00fa v\u00e4\u010d\u0161\u00ed \u0161pecifick\u00fd povrch, tak\u017ee s\u00fa reakt\u00edvnej\u0161ie a je pravdepodobnej\u0161ie, \u017ee sa r\u00fdchlo zap\u00e1lia. Ve\u013emi jemn\u00fd prach m\u00f4\u017ee po rozpt\u00fdlen\u00ed vo vzduchu vytv\u00e1ra\u0165 v\u00fdbu\u0161n\u00e9 oblaky prachu<\/strong>. <\/p>\n\nKoncentr\u00e1cia v\u00fdbu\u0161nosti<\/strong>: Existuje rozmedzie koncentr\u00e1ci\u00ed hor\u013eav\u00e9ho prachu vo vzduchu, zn\u00e1me ako hranica v\u00fdbu\u0161nosti, kedy je zmes vzduchu a prachu dostato\u010dne hor\u013eav\u00e1 na to, aby sp\u00f4sobila v\u00fdbuch. Tento rozsah zah\u0155\u0148a doln\u00fa hranicu v\u00fdbu\u0161nosti <\/strong>(LEL), ktor\u00e1 predstavuje minim\u00e1lnu koncentr\u00e1ciu prachu potrebn\u00fa na vznietenie, a horn\u00fa hranicu v\u00fdbu\u0161nosti (UEL), ktor\u00e1 predstavuje maxim\u00e1lnu koncentr\u00e1ciu prachu pred t\u00fdm, ako sa zmes stane pr\u00edli\u0161 bohatou na horenie. <\/p>\n\nR\u00fdchle spa\u013eovanie :<\/strong> Ke\u010f je hor\u013eav\u00fd prach vystaven\u00fd zdroju horenia, m\u00f4\u017ee r\u00fdchlo horie\u0165 a uvo\u013e\u0148ova\u0165 zna\u010dn\u00fa energiu. To m\u00f4\u017ee sp\u00f4sobi\u0165 v\u00fdbu\u0161n\u00e9 horenie, ktor\u00e9ho v\u00fdsledkom je tlakov\u00e1 vlna, vysok\u00fd tlak a zna\u010dn\u00e9 \u0161kody na \u017eivotnom prostred\u00ed<\/strong>, infra\u0161trukt\u00fare a \u013eu\u010foch v okol\u00ed. <\/p>\n\nCitlivos\u0165 na zdroje vznietenia<\/strong>: Hor\u013eav\u00e9 prachy m\u00f4\u017eu by\u0165 citliv\u00e9 na r\u00f4zne zdroje vznietenia, ako je teplo, elektrick\u00e9 iskry, hor\u00face povrchy, elektrostatick\u00e9 v\u00fdboje a elektrick\u00e9 obl\u00faky. Minimaliz\u00e1cia alebo elimin\u00e1cia t\u00fdchto potenci\u00e1lnych vznieten\u00ed<\/strong> v priestoroch, kde sa nach\u00e1dzaj\u00fa prachy, je nevyhnutn\u00e1 na zabr\u00e1nenie riziku v\u00fdbuchu. <\/p>\n\n\u0160\u00edrenie v\u00fdbuchu<\/strong>: Po\u010diato\u010dn\u00fd v\u00fdbuch v priestore obsahuj\u00facom hor\u013eav\u00e9 prachy m\u00f4\u017ee sp\u00f4sobi\u0165 roz\u0161\u00edrenie v\u00fdbuchu do \u010fal\u0161\u00edch priestorov, v ktor\u00fdch sa nach\u00e1dzaj\u00fa v\u00fdbu\u0161n\u00e9 zmesi. To m\u00f4\u017ee sp\u00f4sobi\u0165 nebezpe\u010dn\u00e9 situ\u00e1cie <\/strong>so sekund\u00e1rnymi v\u00fdbuchmi a rozsiahlymi \u0161kodami. <\/p>\n\nAktualiz\u00e1cia pyroforick\u00e9ho prachu :<\/h2>\n\n Ide o pevn\u00e9 l\u00e1tky, ktor\u00e9 sa m\u00f4\u017eu samovo\u013ene zap\u00e1li\u0165 pri kontakte s okolit\u00fdm vzduchom bez potreby vonkaj\u0161ieho zdroja horenia, ako je iskra alebo otvoren\u00fd plame\u0148. Tieto l\u00e1tky s\u00fa \u010dasto vysoko reakt\u00edvne materi\u00e1ly,<\/strong> ktor\u00e9 prudko reaguj\u00fa s kysl\u00edkom vo vzduchu, \u010d\u00edm vznikaj\u00fa rizik\u00e1 ako : <\/p>\n\nSamovo\u013en\u00e1 hor\u013eavos\u0165 <\/strong>: Pyroforick\u00e9 prachy sa m\u00f4\u017eu pri kontakte so vzduchom okam\u017eite vznieti\u0165. To m\u00f4\u017ee vies\u0165 k r\u00fdchlym a prudk\u00fdm po\u017eiarom, ktor\u00e9 sa \u0165a\u017eko kontroluj\u00fa. Vzniknut\u00e9 plamene sa m\u00f4\u017eu r\u00fdchlo \u0161\u00edri\u0165 a sp\u00f4sobi\u0165 zna\u010dn\u00e9 materi\u00e1lne \u0161kody<\/strong>. <\/p>\n\nNebezpe\u010denstvo v\u00fdbuchu<\/strong>: V ur\u010dit\u00fdch situ\u00e1ci\u00e1ch m\u00f4\u017eu pyroforick\u00e9 prachy vytv\u00e1ra\u0165 so vzduchom v\u00fdbu\u0161n\u00e9 zmesi. Ak sa dosiahne v\u00fdbu\u0161n\u00e1 koncentr\u00e1cia a je pr\u00edtomn\u00fd zdroj horenia, m\u00f4\u017ee d\u00f4js\u0165 k v\u00fdbuchu, ktor\u00fd sp\u00f4sob\u00ed rozsiahle \u0161kody, v\u00e1\u017ene zranenia a dokonca aj straty na \u017eivotoch.<\/strong> <\/p>\n\nToxicita a zdravotn\u00e9 rizik\u00e1<\/strong>: Niektor\u00e9 pyroforick\u00e9 materi\u00e1ly m\u00f4\u017eu pri horen\u00ed produkova\u0165 toxick\u00e9 plyny. Tieto plyny m\u00f4\u017eu by\u0165 \u0161kodliv\u00e9 pre \u013eudsk\u00e9 zdravie a sp\u00f4sobova\u0165 podr\u00e1\u017edenie d\u00fdchac\u00edch ciest<\/strong>, chemick\u00e9 pop\u00e1leniny a in\u00e9 nepriazniv\u00e9 \u00fa\u010dinky. <\/p>\n\nChemick\u00e1 reaktivita<\/strong>: Pyroforick\u00e9 prachy m\u00f4\u017eu prudko reagova\u0165 s in\u00fdmi chemick\u00fdmi l\u00e1tkami, \u010do vedie k re\u0165azov\u00fdm reakci\u00e1m a nekontrolovan\u00fdm exotermick\u00fdm reakci\u00e1m. To m\u00f4\u017ee vies\u0165 k intenz\u00edvnym emisi\u00e1m tepla<\/strong>, uvo\u013e\u0148ovaniu plynov a v\u00fdbuchom. <\/p>\n\nScen\u00e1re po\u017eiaru a v\u00fdbuchu s\u00favisiace s v\u00fdbu\u0161n\u00fdmi prachmi<\/h2>\n\n Za ur\u010dit\u00fdch podmienok predstavuj\u00fa v\u00fdznamn\u00e9 nebezpe\u010denstvo po\u017eiaru a v\u00fdbuchu. Tu je nieko\u013eko be\u017en\u00fdch scen\u00e1rov: <\/p>\n\n
\nHorenie v oblaku:<\/strong> Ke\u010f sa prach rozpt\u00fdli vo vzduchu ako oblak a dostane sa do kontaktu s horen\u00edm, napr\u00edklad s iskrou, otvoren\u00fdm plame\u0148om alebo hor\u00facim povrchom, m\u00f4\u017ee d\u00f4js\u0165 k r\u00fdchlemu a prudk\u00e9mu horeniu. To m\u00f4\u017ee vies\u0165 k v\u00fdbuchu s n\u00e1hlym uvo\u013enen\u00edm tlakovej vlny<\/strong> a r\u00fdchlym \u0161\u00edren\u00edm po\u017eiaru. <\/li>\n\n\n\nHromadenie prachu<\/strong>: Prach sa m\u00f4\u017ee hromadi\u0165 v pracovn\u00fdch oblastiach, najm\u00e4 na vodorovn\u00fdch povrchoch a v \u0165a\u017eko pr\u00edstupn\u00fdch rohoch. Ak sa nahromad\u00ed dostato\u010dn\u00e9 mno\u017estvo prachu, m\u00f4\u017ee sa vytvori\u0165 hor\u013eav\u00e1 vrstva. V pr\u00edpade horenia, napr\u00edklad elektrostatickej iskry alebo prehriatia, sa nahromaden\u00fd prach m\u00f4\u017ee vznieti\u0165 a sp\u00f4sobi\u0165 po\u017eiar alebo v\u00fdbuch<\/strong>. <\/li>\n\n\n\nDeflagr\u00e1cia v kan\u00e1loch alebo dopravn\u00fdch syst\u00e9moch <\/strong>: Prach sa m\u00f4\u017ee \u0161\u00edri\u0165 v kan\u00e1loch, potrub\u00ed alebo dopravn\u00fdch syst\u00e9moch, ako s\u00fa dopravn\u00edky. Ak je v\u00fdbu\u0161n\u00fd prach uzavret\u00fd v malom priestore a dostane sa do kontaktu so spa\u013eovan\u00edm, m\u00f4\u017ee vyvola\u0165 deflagr\u00e1ciu<\/strong>. Deflagr\u00e1cie sa m\u00f4\u017eu r\u00fdchlo \u0161\u00edri\u0165 pozd\u013a\u017e potrub\u00ed a sp\u00f4sobi\u0165 zna\u010dn\u00e9 \u0161kody. <\/li>\n\n\n\nExotermick\u00e9 chemick\u00e9 reakcie<\/strong>: Niektor\u00e9 v\u00fdbu\u0161n\u00e9 prachy m\u00f4\u017eu chemicky reagova\u0165 exotermicky, t. j. uvo\u013e\u0148ovan\u00edm tepla. Ak je reakcia dostato\u010dne r\u00fdchla a intenz\u00edvna, m\u00f4\u017ee sp\u00f4sobi\u0165 r\u00fdchly n\u00e1rast teploty a horenie okolit\u00e9ho prachu. To m\u00f4\u017ee vies\u0165 k po\u017eiaru alebo v\u00fdbuchu<\/strong>. <\/li>\n\n\n\nZap\u00e1lenie od zdrojov energie:<\/strong> Prach sa m\u00f4\u017ee zap\u00e1li\u0165 od r\u00f4znych zdrojov energie, ako s\u00fa elektrick\u00e9 iskry, hor\u00face povrchy, otvoren\u00fd plame\u0148, mechanick\u00e9 iskry alebo elektrostatick\u00e9 v\u00fdboje. Dokonca aj zdanlivo ne\u0161kodn\u00e9 iskry m\u00f4\u017eu sta\u010di\u0165 na zap\u00e1lenie prachu<\/strong>, ak s\u00fa splnen\u00e9 spr\u00e1vne podmienky. <\/li>\n<\/ul>\n\nMedzi odvetvia, ktor\u00e9 m\u00f4\u017eu predstavova\u0165 vysok\u00e9 riziko pra\u0161nosti pod\u013ea smernice ATEX (v\u00fdbu\u0161n\u00e1 atmosf\u00e9ra), patria :<\/p>\n\n
\nChemick\u00fd priemysel:<\/strong> Chemick\u00e9 v\u00fdrobn\u00e9 z\u00e1vody, z\u00e1vody na v\u00fdrobu chemick\u00fdch v\u00fdrobkov a chemick\u00e9 sklady m\u00f4\u017eu vytv\u00e1ra\u0165 prach<\/strong> po\u010das procesov manipul\u00e1cie, mie\u0161ania, mletia alebo sitovania.<\/li>\n\n\n\nFarmaceutick\u00fd priemysel:<\/strong> Farmaceutick\u00fd priemysel, ktor\u00fd sa zaober\u00e1 v\u00fdrobou liekov, pevn\u00fdch farmaceutick\u00fdch v\u00fdrobkov, pr\u00e1\u0161kov alebo tabliet, m\u00f4\u017ee po\u010das v\u00fdrobn\u00fdch procesov a procesov manipul\u00e1cie s v\u00fdrobkami vytv\u00e1ra\u0165 potenci\u00e1lny prach <\/strong>.<\/li>\n\n\n\nPotravin\u00e1rsky priemysel:<\/strong> Prev\u00e1dzky na spracovanie potrav\u00edn, mlyny na m\u00faku, obiln\u00e9 sil\u00e1, zariadenia na su\u0161enie alebo pra\u017eenie potrav\u00edn m\u00f4\u017eu produkova\u0165 prach. M\u00faka, cukor, korenie, obilniny a mlie\u010dne v\u00fdrobky m\u00f4\u017eu vytv\u00e1ra\u0165 v\u00fdbu\u0161n\u00fa atmosf\u00e9ru<\/strong>. <\/li>\n\n\n\nDrev\u00e1rsky priemysel:<\/strong> P\u00edly, drevospracuj\u00face z\u00e1vody a zariadenia na v\u00fdrobu drevotrieskov\u00fdch dosiek, preglejok a drevn\u00fdch vl\u00e1kien m\u00f4\u017eu produkova\u0165 prach, najm\u00e4 z drevn\u00fdch \u0161tiepok a pil\u00edn.<\/li>\n\n\n\nMetalurgia:<\/strong> Zlievarne, oceliarne, zv\u00e1ra\u010dsk\u00e9 dielne a zariadenia na spracovanie kovov m\u00f4\u017eu produkova\u0165 kovov\u00fd prach, ako napr\u00edklad hlin\u00edk, hor\u010d\u00edk alebo tit\u00e1n, ktor\u00fd m\u00f4\u017ee predstavova\u0165 riziko v\u00fdbuchu<\/strong>.<\/li>\n\n\n\nFarby a n\u00e1tery:<\/strong> V zariadeniach na v\u00fdrobu farieb, lakov, n\u00e1terov alebo rozp\u00fa\u0161\u0165adiel m\u00f4\u017ee vznikn\u00fa\u0165 v\u00fdbu\u0161n\u00e1 atmosf\u00e9ra v d\u00f4sledku prchav\u00fdch rozp\u00fa\u0161\u0165adiel a pigmentov\u00e9ho prachu<\/strong>.<\/li>\n\n\n\nV\u00fdbu\u0161niny a mun\u00edcia:<\/strong> Zariadenia na v\u00fdrobu v\u00fdbu\u0161n\u00edn, streln\u00e9ho prachu, mun\u00edcie a z\u00e1bavnej pyrotechniky predstavuj\u00fa vn\u00fatorn\u00e9 nebezpe\u010denstvo v\u00fdbuchu vzh\u013eadom na samotn\u00fa povahu materi\u00e1lov, s ktor\u00fdmi sa manipuluje<\/strong>.<\/li>\n\n\n\nKame\u0148 a nerasty<\/strong>: Hrozba v\u00fdbuchu v sektore kame\u0148a je umocnen\u00e1 ve\u013ekos\u0165ou prachov\u00fdch \u010dast\u00edc a ich suspend\u00e1ciou vo vzduchu. Ke\u010f tieto \u010dastice dosiahnu ur\u010dit\u00fa koncentr\u00e1ciu v atmosf\u00e9re a dostan\u00fa sa do kontaktu so spa\u013eovan\u00edm, napr\u00edklad s elektrickou iskrou, otvoren\u00fdm plame\u0148om alebo hor\u00facim povrchom, m\u00f4\u017ee d\u00f4js\u0165 k v\u00fdbuchu<\/strong>. <\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"Ide o proces \u010distenia a odstra\u0148ovania hor\u013eav\u00e9ho alebo v\u00fdbu\u0161n\u00e9ho prachu pr\u00edtomn\u00e9ho v r\u00f4znych priemyseln\u00fdch prostrediach. V\u00fdbu\u0161n\u00fd prach s\u00fa jemn\u00e9 molekuly, ktor\u00e9 sa m\u00f4\u017eu hromadi\u0165 vo vzduchu alebo na povrchoch a predstavuj\u00fa v\u00e1\u017enu hrozbu v\u00fdbuchu alebo po\u017eiaru, ak sa dostan\u00fa do kontaktu so zdrojom vznietenia, ako je napr\u00edklad iskra alebo otvoren\u00fd plame\u0148. <\/p>\n","protected":false},"author":4,"featured_media":84971,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_robots_primary_cat":"none","_seopress_titles_title":"\u010co je to ods\u00e1vanie a odstra\u0148ovanie v\u00fdbu\u0161n\u00e9ho prachu?","_seopress_titles_desc":"Ods\u00e1vanie a odstra\u0148ovanie v\u00fdbu\u0161n\u00e9ho prachu sa vz\u0165ahuje na proces \u010distenia a odstra\u0148ovania hor\u013eav\u00e9ho alebo v\u00fdbu\u0161n\u00e9ho prachu pr\u00edtomn\u00e9ho v r\u00f4znych priemyseln\u00fdch prostrediach.","_seopress_robots_index":"","footnotes":""},"categories":[141],"tags":[142],"class_list":["post-41616","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nasa-rada","tag-entete-male-sk","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\/sk\/wp-json\/wp\/v2\/posts\/41616","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/obera.fr\/sk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/obera.fr\/sk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/obera.fr\/sk\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/obera.fr\/sk\/wp-json\/wp\/v2\/comments?post=41616"}],"version-history":[{"count":5,"href":"https:\/\/obera.fr\/sk\/wp-json\/wp\/v2\/posts\/41616\/revisions"}],"predecessor-version":[{"id":85155,"href":"https:\/\/obera.fr\/sk\/wp-json\/wp\/v2\/posts\/41616\/revisions\/85155"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/obera.fr\/sk\/wp-json\/wp\/v2\/media\/84971"}],"wp:attachment":[{"href":"https:\/\/obera.fr\/sk\/wp-json\/wp\/v2\/media?parent=41616"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/obera.fr\/sk\/wp-json\/wp\/v2\/categories?post=41616"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/obera.fr\/sk\/wp-json\/wp\/v2\/tags?post=41616"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
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