{"id":2042,"date":"2025-02-27T20:12:48","date_gmt":"2025-02-27T12:12:48","guid":{"rendered":"https:\/\/led.amasly.com\/?p=2042"},"modified":"2025-02-27T20:19:52","modified_gmt":"2025-02-27T12:19:52","slug":"five-measures-to-prevent-dust-explosions","status":"publish","type":"post","link":"https:\/\/led.amasly.com\/cs\/explosion-proof-equipment\/five-measures-to-prevent-dust-explosions\/","title":{"rendered":"Pro\u010d je nutn\u00e9 zabr\u00e1nit v\u00fdbuchu prachu a p\u011bt opat\u0159en\u00ed k prevenci v\u00fdbuchu prachu"},"content":{"rendered":"<h1 class=\"wp-block-heading has-text-align-center\">Pro\u010d je nutn\u00e9 zabr\u00e1nit v\u00fdbuchu prachu? a <strong>P\u011bt opat\u0159en\u00ed pro prevenci v\u00fdbuch\u016f prachu<\/strong><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Podle p\u0159\u00edslu\u0161n\u00fdch statistik do\u0161lo v letech 1900 a\u017e 1956 ve Spojen\u00fdch st\u00e1tech celkem k v\u00edce ne\u017e 1 000 nehod\u00e1m p\u0159i v\u00fdbuchu prachu, v Japonsku v letech 1952 a\u017e 1979 k v\u00edce ne\u017e 200 takov\u00fdm nehod\u00e1m. V \u010c\u00edn\u011b do\u0161lo v roce 1942 v uheln\u00e9m dole Benxi k nehod\u011b s v\u00fdbuchem uheln\u00e9ho prachu, v roce 1987 v tov\u00e1rn\u011b na zpracov\u00e1n\u00ed lnu v Harbinu k nehod\u011b s v\u00fdbuchem prachu, v roce 2010 ve \u0161krob\u00e1rn\u011b Qinhuangdao Lixi Hua k velk\u00e9 nehod\u011b s v\u00fdbuchem prachu \u201c2-24\u201d, v roce 2014 v Suzhou Kunshan Zhongrong ke zvl\u00e1\u0161tn\u00ed nehod\u011b s velk\u00fdm v\u00fdbuchem \u201c8-2\u201d atd. V roce 2014 Suzhou Kunshan Zhongrong Company \u201c8-2\u201d special major explosion accident, etc., ztr\u00e1ty a pou\u010den\u00ed jsou velmi t\u011b\u017ek\u00e9. Proto by podniky m\u011bly p\u0159ikl\u00e1dat velk\u00fd v\u00fdznam nebezpe\u010d\u00ed po\u017e\u00e1ru a v\u00fdbuchu prachu.<\/p>\n\n\n\n<div class=\"wp-block-uagb-image uagb-block-96dcc85b wp-block-uagb-image--layout-default wp-block-uagb-image--effect-static wp-block-uagb-image--align-none\"><figure class=\"wp-block-uagb-image__figure\"><img decoding=\"async\" srcset=\"https:\/\/led.amasly.com\/wp-content\/uploads\/2025\/02\/9506ce830245a3cc9153c0665c99b101_factory-6991799_1280-1024x686.jpg ,https:\/\/led.amasly.com\/wp-content\/uploads\/2025\/02\/9506ce830245a3cc9153c0665c99b101_factory-6991799_1280.jpg 780w, https:\/\/led.amasly.com\/wp-content\/uploads\/2025\/02\/9506ce830245a3cc9153c0665c99b101_factory-6991799_1280.jpg 360w\" sizes=\"auto, (max-width: 480px) 150px\" src=\"https:\/\/led.amasly.com\/wp-content\/uploads\/2025\/02\/9506ce830245a3cc9153c0665c99b101_factory-6991799_1280-1024x686.jpg\" alt=\"\" class=\"uag-image-2043\" width=\"1280\" height=\"857\" title=\"9506ce830245a3cc9153c0665c99b101_factory-6991799_1280\" loading=\"lazy\" role=\"img\"><\/figure><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>I. Mechanismus v\u00fdbuchu prachu<\/strong><strong><\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Prach je drobn\u00e1 \u010d\u00e1stice pevn\u00e9ho materi\u00e1lu, jeho povrch je mnohem v\u011bt\u0161\u00ed ne\u017e u stejn\u011b hmotn\u00e9ho kusov\u00e9ho materi\u00e1lu, tak\u017ee se snadno vzn\u00edt\u00ed. Kdy\u017e je prach suspendov\u00e1n ve vzduchu a dos\u00e1hne ur\u010dit\u00e9 koncentrace, vznikne v\u00fdbu\u0161n\u00e1 sm\u011bs, a kdy\u017e se setk\u00e1 se zdrojem tepla (nap\u0159\u00edklad otev\u0159en\u00fdm plamenem nebo vysokou teplotou), plamen se okam\u017eit\u011b roz\u0161\u00ed\u0159\u00ed po cel\u00e9m prostoru sm\u00ed\u0161en\u00e9ho prachu a chemick\u00e1 reakce je extr\u00e9mn\u011b rychl\u00e1, p\u0159i\u010dem\u017e se uvoln\u00ed velk\u00e9 mno\u017estv\u00ed tepla za vzniku velmi vysok\u00e9 teploty a velk\u00e9ho tlaku, kter\u00fd m\u00e1 silnou ni\u010divou s\u00edlu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00fdbuch prachu vy\u017eaduje spln\u011bn\u00ed n\u00e1sleduj\u00edc\u00edch p\u011bti podm\u00ednek: ho\u0159lav\u00fd prach, oblak prachu, zdroj vzn\u00edcen\u00ed, urychlova\u010d a uzav\u0159en\u00fd prostor.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Mezi faktory ovliv\u0148uj\u00edc\u00ed v\u00fdbuch prachu pat\u0159\u00ed: velikost prachov\u00fdch \u010d\u00e1stic, spaln\u00e9 teplo prachu, koncentrace prachu, podm\u00ednky prost\u0159ed\u00ed, turbulence, stupe\u0148 rozpt\u00fdlen\u00ed prachu.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>II. Opat\u0159en\u00ed k prevenci v\u00fdbuch\u016f prachu<\/strong><strong><\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>(i<\/strong><strong>) <\/strong><strong>Kontrola tvorby a koncentrace ho\u0159lav\u00e9ho prachu<\/strong><strong><\/strong><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>1. Zabra\u0148te \u00faniku materi\u00e1l\u016f a prachu.<\/strong><strong><\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Za\u0159\u00edzen\u00ed s \u00fanikem materi\u00e1lu v\u010das opravte a kontroln\u00ed otvory v technologick\u00e9m za\u0159\u00edzen\u00ed ut\u011bsn\u011bte.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">2.&nbsp;<strong>Sni\u017ete koncentraci prachu.<\/strong><strong><\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Odlu\u010dova\u010d prachu je d\u016fle\u017eit\u00fdm za\u0159\u00edzen\u00edm pro sn\u00ed\u017een\u00ed koncentrace ho\u0159lav\u00e9ho prachu, 40% nehod zp\u016fsoben\u00fdch v\u00fdbuchem prachu je zp\u016fsobeno syst\u00e9mem odb\u011bru prachu, mus\u00ed v\u011bnovat pozornost n\u00e1vrhu a \u00fadr\u017eb\u011b syst\u00e9mu odb\u011bru prachu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">(1) N\u00e1vrh syst\u00e9mu odstra\u0148ov\u00e1n\u00ed prachu. Zabr\u00e1nit usazov\u00e1n\u00ed prachu v potrub\u00ed, p\u0159edev\u0161\u00edm by m\u011bl b\u00fdt n\u00e1vrh rychlosti v\u011btru p\u0159im\u011b\u0159en\u00fd, aby se zajistilo, \u017ee rychlost v\u011btru v prachov\u00e9m potrub\u00ed je v podstat\u011b v\u0161ude stejn\u00e1, z m\u00edsta nas\u00e1v\u00e1n\u00ed prachu do sb\u011bra\u010de prachu by m\u011bla b\u00fdt rychlost v\u011btru nezm\u011bn\u011bna nebo m\u00edrn\u011b zv\u00fd\u0161ena; Za druh\u00e9, je n\u00e1vrh a instalace prachov\u00e9ho potrub\u00ed, aby se sn\u00ed\u017eila ztr\u00e1ta odporu, a sna\u017eit se minimalizovat d\u00e9lku vodorovn\u00e9ho potrub\u00ed; Nakonec prov\u00e9st stanoven\u00ed rychlosti v\u011btru a nastaven\u00ed tlakov\u00e9 rovnov\u00e1hy, aby se zajistilo, \u017ee objem vzduchu a rychlost v\u011btru v souladu s po\u017eadavky n\u00e1vrhu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">(2) Odlu\u010dova\u010d prachu by m\u011bl zv\u00e1\u017eit opat\u0159en\u00ed proti v\u00fdbuchu. P\u0159ijm\u011bte opat\u0159en\u00ed, jako jsou antistatick\u00e9 filtra\u010dn\u00ed s\u00e1\u010dky a nev\u00fdbu\u0161n\u00e9 ventil\u00e1tory.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">(3) \u010casto kontrolujte rychlost v\u011btru v prachov\u00e9m potrub\u00ed, ucp\u00e1n\u00ed potrub\u00ed, filtraci filtra\u010dn\u00edho vaku sb\u011bra\u010de prachu a dal\u0161\u00ed podm\u00ednky. Nainstalujte na sb\u011bra\u010d prachu p\u0159\u00edstroj pro sledov\u00e1n\u00ed tlaku v\u011btru, kter\u00fd pom\u016f\u017ee posoudit ucp\u00e1n\u00ed nebo poru\u0161en\u00ed filtra\u010dn\u00edho s\u00e1\u010dku sb\u011bra\u010de prachu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">(4) Konstruk\u010dn\u00ed spot\u0159eba vody a pr\u016ftok odlu\u010dova\u010de prachu mokr\u00e9ho typu mus\u00ed b\u00fdt schopny zcela odfiltrovat prach nas\u00e1van\u00fd do odlu\u010dova\u010de prachu ze vzduchov\u00e9ho potrub\u00ed a mus\u00ed b\u00fdt z\u0159\u00edzeno monitorovac\u00ed a signaliza\u010dn\u00ed za\u0159\u00edzen\u00ed pro nep\u0159etr\u017eit\u00e9 sledov\u00e1n\u00ed spot\u0159eby vody a pr\u016ftoku.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">(5) Vstupn\u00ed potrub\u00ed such\u00e9ho sb\u011bra\u010de prachu by m\u011blo b\u00fdt z\u0159\u00edzeno na za\u0159\u00edzen\u00ed pro odleh\u010den\u00ed v\u00fdbuchu, vstup a v\u00fdstup by m\u011bly b\u00fdt z\u0159\u00edzeny tak, aby monitorovaly signaliza\u010dn\u00ed za\u0159\u00edzen\u00ed rozd\u00edlu tlaku v\u011btru, a z\u0159\u00eddit syst\u00e9m \u010di\u0161t\u011bn\u00ed filtra\u010dn\u00edho vaku typu blowback.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>(ii) Kontrola a odstran\u011bn\u00ed zdroj\u016f vzn\u00edcen\u00ed<\/strong><strong><\/strong><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>1. Zaka\u017ete pou\u017e\u00edv\u00e1n\u00ed hork\u00fdch prvk\u016f elektrick\u00fdch topn\u00fdch spot\u0159ebi\u010d\u016f v prostor\u00e1ch s nebezpe\u010d\u00edm v\u00fdbuchu.<\/strong><strong><\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Nap\u0159\u00edklad elektrick\u00fd odlitek, elektrick\u00e1 topn\u00e1 deska z nerezov\u00e9 oceli, elektromagnetick\u00e9 induk\u010dn\u00ed topn\u00e9 za\u0159\u00edzen\u00ed, elektrick\u00e1 topn\u00e1 trubka, elektrick\u00fd hork\u00fd dr\u00e1t, elektrick\u00e1 topn\u00e1 deska, elektrick\u00e1 tepeln\u00e1 p\u00e1ska, elektrick\u00e1 topn\u00e1 spojka, elektrick\u00e1 topn\u00e1 ty\u010d atd.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>2. <\/strong><strong>P\u0159ijm\u011bte nev\u00fdbu\u0161n\u00e9 elektrick\u00e9 za\u0159\u00edzen\u00ed odpov\u00eddaj\u00edc\u00ed \u00farovn\u011b.<\/strong><strong><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Elektrick\u00e1 za\u0159\u00edzen\u00ed mus\u00ed b\u00fdt vybr\u00e1na a instalov\u00e1na v souladu s p\u0159\u00edslu\u0161n\u00fdmi n\u00e1rodn\u00edmi normami a po\u017eadavky; elektrick\u00e1 veden\u00ed a za\u0159\u00edzen\u00ed vyu\u017e\u00edvaj\u00edc\u00ed energii v nebezpe\u010dn\u00e9m prostoru prost\u0159ed\u00ed s nebezpe\u010d\u00edm v\u00fdbuchu prachu mus\u00ed b\u00fdt vybavena ochranou proti zkratu a p\u0159et\u00ed\u017een\u00ed; kovov\u00fd pl\u00e1\u0161\u0165 za\u0159\u00edzen\u00ed, stojan\u016f a potrub\u00ed mus\u00ed b\u00fdt spolehliv\u011b uzemn\u011bn a spoje mus\u00ed b\u00fdt p\u0159eklenuty, pokud existuje izolace, aby vytvo\u0159ily dobrou cestu bez p\u0159eru\u0161en\u00ed; pokud jsou pro elektrick\u00e1 veden\u00ed v nebezpe\u010dn\u00e9m prostoru prost\u0159ed\u00ed s nebezpe\u010d\u00edm v\u00fdbuchu prachu pou\u017eity izolovan\u00e9 vodi\u010de, mus\u00ed b\u00fdt veden\u00ed vyrobeno z ocelov\u00fdch trubek.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>V prostor\u00e1ch s nebezpe\u010d\u00edm v\u00fdbuchu prachu by se nem\u011bl vyskytovat otev\u0159en\u00fd ohe\u0148.<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Pokud jsou vy\u017eadov\u00e1ny pyrotechnick\u00e9 \u010dinnosti, mus\u00ed b\u00fdt \u0159\u00edzeny v souladu s pyrotechnick\u00fdmi \u010dinnostmi a p\u0159ed zah\u00e1jen\u00edm provozu mus\u00ed b\u00fdt z\u00edsk\u00e1no povolen\u00ed k pyrotechnick\u00fdm prac\u00edm. Maxim\u00e1ln\u00ed p\u0159\u00edpustn\u00e1 povrchov\u00e1 teplota za\u0159\u00edzen\u00ed nebo p\u0159\u00edstroj\u016f, kter\u00e9 jsou v p\u0159\u00edm\u00e9m kontaktu s prachem (nap\u0159. sk\u0159\u00ed\u0148 motoru, hnac\u00ed h\u0159\u00eddel, zdroj vyt\u00e1p\u011bn\u00ed atd.), by m\u011bla b\u00fdt ni\u017e\u0161\u00ed ne\u017e nejni\u017e\u0161\u00ed teplota vzn\u00edcen\u00ed p\u0159\u00edslu\u0161n\u00e9ho prachu.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>(iii) Technologie elektrostatick\u00e9 ochrany<\/strong><strong><\/strong><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>1. Sni\u017ete t\u0159en\u00ed.<\/strong><strong><\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Pro p\u00e1sov\u00fd pohon pou\u017e\u00edvejte pokud mo\u017eno vodivou p\u00e1sku a p\u0159i doprav\u011b ho\u0159lav\u00fdch a v\u00fdbu\u0161n\u00fdch p\u0159edm\u011bt\u016f p\u00e1sov\u00fd pohon rad\u011bji nepou\u017e\u00edvejte. Pr\u016ftok ho\u0159lav\u00fdch a v\u00fdbu\u0161n\u00fdch p\u0159edm\u011bt\u016f v potrub\u00ed by m\u011bl b\u00fdt kontrolov\u00e1n. Sou\u010dasn\u011b ale tak\u00e9 zva\u017ete materi\u00e1l potrub\u00ed a dal\u0161\u00ed faktory. V\u00fdstup z potrub\u00ed je v\u00e1\u017enou oblast\u00ed elektrostatick\u00e9ho nebezpe\u010d\u00ed, p\u0159\u00edvodn\u00ed tok pr\u00e1\u0161kov\u00e9ho ml\u00fdna by m\u011bl b\u00fdt rovnom\u011brn\u00fd, aby se zabr\u00e1nilo rozbit\u00ed a volnob\u011bhu.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">2.&nbsp;<strong>Statick\u00e9 uzemn\u011bn\u00ed.<\/strong><strong><\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Statick\u00e9 uzemn\u011bn\u00ed je podm\u00edn\u011bn\u00e9, ne v\u0161echny nabit\u00e9 objekty lze \u0159e\u0161it pomoc\u00ed uzemn\u011bn\u00ed. Odpor elektrostatick\u00e9ho uzemn\u011bn\u00ed by m\u011bl b\u00fdt zvl\u00e1dnut v rozmez\u00ed 10 ~ 1000 ohm\u016f a u nekovov\u00fdch sou\u010d\u00e1st\u00ed (nap\u0159. plast\u016f) by m\u011bl b\u00fdt men\u0161\u00ed. Statick\u00e9 nehody v pr\u00e1\u0161kov\u00e9m pr\u016fmyslu se vyskytuj\u00ed u prachu o velikosti \u010d\u00e1stic men\u0161\u00ed ne\u017e 100 \u00b5m, \u010d\u00edm jemn\u011bj\u0161\u00ed prach, t\u00edm pomalej\u0161\u00ed by m\u011bla b\u00fdt p\u0159enosov\u00e1 rychlost. Vnit\u0159n\u00ed st\u011bna potrub\u00ed p\u0159i pneumatick\u00e9 doprav\u011b mus\u00ed b\u00fdt hladk\u00e1 a \u010dist\u00e1 a vak na zachycov\u00e1n\u00ed prachu by m\u011bl b\u00fdt bavln\u011bn\u00fd nebo z vodiv\u00e9 tkaniny. Zvlh\u010dov\u00e1n\u00ed je povoleno tak, aby se vlhkost vzduchu zv\u00fd\u0161ila na v\u00edce ne\u017e 65%. Dopravn\u00ed za\u0159\u00edzen\u00ed pou\u017e\u00edvat valiv\u00e1 lo\u017eiska, otvor pro maz\u00e1n\u00ed lo\u017eisek by m\u011bl b\u00fdt prachot\u011bsn\u00fd, povrch lo\u017eiskov\u00e9ho sedla by m\u011bl b\u00fdt \u010dist\u00fd, proti hromad\u011bn\u00ed prachu. V\u0161echna dopravn\u00ed za\u0159\u00edzen\u00ed by m\u011bla b\u00fdt spolehliv\u011b uzemn\u011bna. Pneumatick\u00e9 dopravn\u00ed potrub\u00ed by m\u011blo b\u00fdt tak\u00e9 z vodiv\u00e9ho materi\u00e1lu, p\u0159evz\u00edt p\u0159\u00edrubu by m\u011blo m\u00edt statickou elekt\u0159inu p\u0159es spoj.<\/p>\n\n\n\n<div class=\"wp-block-uagb-image uagb-block-61e99c4e wp-block-uagb-image--layout-default wp-block-uagb-image--effect-static wp-block-uagb-image--align-none\"><figure class=\"wp-block-uagb-image__figure\"><a class=\"\" href=\"https:\/\/led.amasly.com\/cs\/\" target=\"\" rel=\"noopener\"><img decoding=\"async\" srcset=\"https:\/\/led.amasly.com\/wp-content\/uploads\/2025\/02\/2fca32c318e6523070fbc173de32411a_sunset-6226244_1280-1024x686.jpg ,https:\/\/led.amasly.com\/wp-content\/uploads\/2025\/02\/2fca32c318e6523070fbc173de32411a_sunset-6226244_1280.jpg 780w, https:\/\/led.amasly.com\/wp-content\/uploads\/2025\/02\/2fca32c318e6523070fbc173de32411a_sunset-6226244_1280.jpg 360w\" sizes=\"auto, (max-width: 480px) 150px\" src=\"https:\/\/led.amasly.com\/wp-content\/uploads\/2025\/02\/2fca32c318e6523070fbc173de32411a_sunset-6226244_1280-1024x686.jpg\" alt=\"\" class=\"uag-image-2044\" width=\"1280\" height=\"857\" title=\"2fca32c318e6523070fbc173de32411a_sunset-6226244_1280\" loading=\"lazy\" role=\"img\"><\/a><\/figure><\/div>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>(iv) Izolace a zadr\u017eov\u00e1n\u00ed v\u00fdbu\u0161nin<\/strong><strong><\/strong><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>1. Mechanick\u00e1 izolace:<\/strong><strong><\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Odd\u011blte prach od mo\u017en\u00fdch zdroj\u016f vzn\u00edcen\u00ed pomoc\u00ed fyzick\u00e9 izolace. Nap\u0159\u00edklad za\u0159\u00edzen\u00ed n\u00e1chyln\u00e1 k tvorb\u011b prachu se z\u0159izuj\u00ed v odd\u011blen\u00e9 izolaci pomoc\u00ed specializovan\u00fdch ochrann\u00fdch kryt\u016f, lok\u00e1ln\u00edch ods\u00e1vac\u00edch digesto\u0159\u00ed nebo za\u0159\u00edzen\u00ed pro ods\u00e1v\u00e1n\u00ed prachu.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>2. <\/strong><strong>Chemick\u00e1 izolace:<\/strong><strong><\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Sn\u00ed\u017een\u00ed obsahu kysl\u00edku v syst\u00e9mu vst\u0159ikov\u00e1n\u00edm inertn\u00edch plyn\u016f (nap\u0159. dus\u00edku, oxidu uhli\u010dit\u00e9ho atd.) potla\u010duje v\u00fdbuch.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">3.&nbsp;<strong>P\u0159ijet\u00ed automatick\u00fdch nev\u00fdbu\u0161n\u00fdch za\u0159\u00edzen\u00ed:<\/strong><strong><\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Instalace automatick\u00fdch za\u0159\u00edzen\u00ed pro izolaci v\u00fdbuchu na za\u0159\u00edzen\u00ed nebo potrub\u00ed, kde m\u016f\u017ee doj\u00edt k v\u00fdbuchu prachu, kter\u00e1 mohou b\u00fdt aktivov\u00e1na rychle a automaticky p\u0159i zji\u0161t\u011bn\u00ed v\u00fdbuchu, jako je uvoln\u011bn\u00ed hasic\u00edch prost\u0159edk\u016f, uzav\u0159en\u00ed ventil\u016f atd., aby se zastavilo \u0161\u00ed\u0159en\u00ed v\u00fdbuchu.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">4.&nbsp;<strong>Syst\u00e9m pro zadr\u017eov\u00e1n\u00ed v\u00fdbu\u0161nin:<\/strong><strong><\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Zvy\u0161te pevnost za\u0159\u00edzen\u00ed v tlaku p\u0159i jeho konstrukci, abyste v\u00fdbuch zadr\u017eeli fyzik\u00e1ln\u00edmi prost\u0159edky. Tato metoda je n\u00e1kladn\u011bj\u0161\u00ed, ale m\u016f\u017ee \u00fa\u010dinn\u011b zabr\u00e1nit \u0161\u00ed\u0159en\u00ed v\u00fdbuchu.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">5.&nbsp;<strong>Syst\u00e9m sb\u011bru prachu je uzav\u0159en:<\/strong><strong><\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Odsava\u010d prachu by m\u011bl b\u00fdt t\u011bsn\u011b spojen se za\u0159\u00edzen\u00edm, kter\u00e9 vytv\u00e1\u0159\u00ed prach, aby bylo zaji\u0161t\u011bno \u00fa\u010dinn\u00e9 zachycen\u00ed prachu a aby se omezil \u00fanik prachu v procesu sb\u011bru; vstupn\u00ed a v\u00fdstupn\u00ed otvor odsava\u010de prachu, z\u00e1sobn\u00edk popela a dal\u0161\u00ed \u010d\u00e1sti by m\u011bly b\u00fdt dob\u0159e ut\u011bsn\u011bny, aby se zabr\u00e1nilo \u00faniku prachu z odsava\u010de prachu.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>(v) Odleh\u010den\u00ed tlaku p\u0159i v\u00fdbuchu<\/strong><strong><\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">1. Odleh\u010den\u00ed v\u00fdbuchu: Odleh\u010den\u00ed v\u00fdbuchu je b\u011b\u017en\u011b pou\u017e\u00edvan\u00e9 za\u0159\u00edzen\u00ed pro odleh\u010den\u00ed tlaku, prost\u0159ednictv\u00edm p\u0159ednastaven\u00fdch slab\u00fdch \u010d\u00e1st\u00ed, v odlu\u010dova\u010di prachu p\u0159ed t\u00edm, ne\u017e vnit\u0159n\u00ed tlak dos\u00e1hne nebezpe\u010d\u00ed kritick\u00e9ho stavu, bude generov\u00e1n v\u00fdbuch vysok\u00e9 teploty, vysokotlak\u00fdch produkt\u016f spalov\u00e1n\u00ed a nesp\u00e1len\u00e9ho materi\u00e1lu veden\u00e9ho do bezpe\u010dn\u00e9 oblasti k uvoln\u011bn\u00ed, aby bylo t\u011blo odlu\u010dova\u010de prachu chr\u00e1n\u011bno p\u0159ed po\u0161kozen\u00edm.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2. Nev\u00fdbu\u0161n\u00e9 panely a dve\u0159e: Nev\u00fdbu\u0161n\u00e9 panely se obvykle pou\u017e\u00edvaj\u00ed k ochran\u011b venkovn\u00edch za\u0159\u00edzen\u00ed pro manipulaci s pr\u00e1\u0161kem, jako jsou odlu\u010dova\u010de prachu, cyklonov\u00e9 sb\u011bra\u010de atd. Nev\u00fdbu\u0161n\u00e9 dve\u0159e se pou\u017e\u00edvaj\u00ed k ochran\u011b budovy d\u00edlny, kde se manipuluje s pr\u00e1\u0161kem, aby se zabr\u00e1nilo v\u00fdbuchu pr\u00e1\u0161ku v cel\u00e9 d\u00edln\u011b.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">3. Bezplamenn\u00fd vypou\u0161t\u011bc\u00ed syst\u00e9m: V p\u0159\u00edpad\u011b za\u0159\u00edzen\u00ed pro manipulaci s pr\u00e1\u0161kem v m\u00edstnosti, kde nen\u00ed mo\u017en\u00e9 vytvo\u0159it plameny, vypou\u0161t\u011bn\u00ed materi\u00e1lu nebo nen\u00ed pro vypou\u0161t\u011bn\u00ed vyhrazen \u017e\u00e1dn\u00fd prostor, se obvykle pou\u017e\u00edv\u00e1 bezplamenn\u00fd vypou\u0161t\u011bc\u00ed syst\u00e9m, aby byl chr\u00e1n\u011bn person\u00e1l i bezpe\u010dnost okoln\u00edch za\u0159\u00edzen\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">4. Syst\u00e9m potla\u010den\u00ed v\u00fdbuchu: v po\u010d\u00e1te\u010dn\u00edch f\u00e1z\u00edch deflagra\u010dn\u00edho jevu, v\u010das detekovan\u00e9ho \u010didlem a prost\u0159ednictv\u00edm vys\u00edla\u010de rychle nast\u0159\u00edkan\u00e9ho v za\u0159\u00edzen\u00ed syst\u00e9mu potla\u010den\u00ed v\u00fdbuchu, aby nedo\u0161lo k ohro\u017een\u00ed za\u0159\u00edzen\u00ed a dokonce i za\u0159\u00edzen\u00ed druh\u00e9ho v\u00fdbuchu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tato opat\u0159en\u00ed se v praktick\u00fdch aplikac\u00edch \u010dasto pou\u017e\u00edvaj\u00ed v kombinaci, nap\u0159\u00edklad kombinace tablet pro odleh\u010den\u00ed v\u00fdbuchu a syst\u00e9m\u016f pro potla\u010den\u00ed v\u00fdbuchu m\u016f\u017ee b\u00fdt pou\u017eita k rychl\u00e9mu odhalen\u00ed a potla\u010den\u00ed v\u00fdbuchu v po\u010d\u00e1te\u010dn\u00edch f\u00e1z\u00edch v\u00fdbuchu, p\u0159i\u010dem\u017e z\u00e1rove\u0148 prost\u0159ednictv\u00edm tablet pro odleh\u010den\u00ed v\u00fdbuchu dojde k nasm\u011brov\u00e1n\u00ed do bezpe\u010dn\u00e9 oblasti uvoln\u011bn\u00ed tlaku v\u00fdbuchu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Krom\u011b toho by m\u011bly podniky p\u0159i \u0159\u00edzen\u00ed prevence v\u00fdbuchu prachu odv\u00e9st dobrou pr\u00e1ci p\u0159i budov\u00e1n\u00ed syst\u00e9mu, \u0161kolen\u00ed zam\u011bstnanc\u016f, \u00fadr\u017eb\u011b a gener\u00e1ln\u00edch oprav\u00e1ch za\u0159\u00edzen\u00ed a dal\u0161\u00edch opat\u0159en\u00edch, aby zajistily \u00fa\u010dinn\u00e9 prov\u00e1d\u011bn\u00ed opat\u0159en\u00ed pro prevenci v\u00fdbuchu prachu. Konkr\u00e9tn\u00ed opat\u0159en\u00ed zahrnuj\u00ed:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>01 Budova instituce<\/strong><strong><\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Zaveden\u00ed a zdokonalen\u00ed syst\u00e9mu \u0159\u00edzen\u00ed bezpe\u010dnosti p\u0159i v\u00fdbuchu prachu, v\u010detn\u011b identifikace a hodnocen\u00ed rizika v\u00fdbuchu prachu a jeho kontroly, vy\u0161et\u0159ov\u00e1n\u00ed a \u0159\u00edzen\u00ed skryt\u00e9ho nebezpe\u010d\u00ed nehody, bezpe\u010dnostn\u00edch postup\u016f p\u0159i pr\u00e1ci s prachem, \u010di\u0161t\u011bn\u00ed a likvidace prachu, reakce na nehodu a z\u00e1chrann\u00fdch prac\u00ed.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>02 \u0160kolen\u00ed person\u00e1lu<\/strong><strong><\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Organizace zapojen\u00e9 do v\u00fdroby odoln\u00e9 proti v\u00fdbuchu prachu, za\u0159\u00edzen\u00ed, \u0159\u00edzen\u00ed bezpe\u010dnosti a dal\u0161\u00ed p\u0159\u00edslu\u0161n\u00e9 osoby odpov\u011bdn\u00e9 za prach a prachov\u00e9 pr\u00e1ce a dal\u0161\u00ed p\u0159\u00edslu\u0161n\u00ed zam\u011bstnanci, aby prov\u00e1d\u011bli speci\u00e1ln\u00ed bezpe\u010dnostn\u00ed vzd\u011bl\u00e1v\u00e1n\u00ed a \u0161kolen\u00ed odoln\u00e9 proti v\u00fdbuchu prachu, bez vzd\u011bl\u00e1v\u00e1n\u00ed a \u0161kolen\u00ed nesm\u00ed pracovat.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>03 Dobr\u00e1 \u00fadr\u017eba a gener\u00e1ln\u00ed opravy za\u0159\u00edzen\u00ed<\/strong><strong><\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Pravideln\u00e1 \u00fadr\u017eba a \u00fadr\u017eba za\u0159\u00edzen\u00ed a vybaven\u00ed souvisej\u00edc\u00edho s prevenc\u00ed v\u00fdbuchu prachu a pravideln\u00e9 testov\u00e1n\u00ed nebo kontrola v souladu s n\u00e1rodn\u00edmi nebo pr\u016fmyslov\u00fdmi normami pro zaji\u0161t\u011bn\u00ed norm\u00e1ln\u00edho provozu.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>04 Zaveden\u00ed spolehliv\u00e9ho bezpe\u010dnostn\u00edho dohledu a kontroln\u00edho mechanismu pro prevenci pra\u0161nosti a v\u00fdbuchu<\/strong><strong><\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Hlavn\u00ed odpov\u011bdn\u00e1 osoba podniku a odpov\u011bdn\u00e1 technick\u00e1 osoba vedou pravideln\u00e9 speci\u00e1ln\u00ed bezpe\u010dnostn\u00ed kontroly m\u00edsta, kde vznik\u00e1 prach, a v\u010das odhaluj\u00ed a odstra\u0148uj\u00ed potenci\u00e1ln\u00ed bezpe\u010dnostn\u00ed rizika.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>05 \u0158\u00edzen\u00ed mimo\u0159\u00e1dn\u00fdch ud\u00e1lost\u00ed<\/strong><strong><\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Zformulujte havarijn\u00ed pl\u00e1n z\u00e1chrann\u00fdch prac\u00ed pro p\u0159\u00edpady v\u00fdbuchu prachu a organizujte pravideln\u00e1 cvi\u010den\u00ed v souladu se z\u00e1konem. V p\u0159\u00edpad\u011b po\u017e\u00e1ru nebo v\u00fdbuchu prachu je t\u0159eba okam\u017eit\u011b aktivovat havarijn\u00ed z\u00e1sah a evakuovat v\u0161echny provozovatele na bezpe\u010dn\u00e9 m\u00edsto a nepou\u017e\u00edvat havarijn\u00ed likvida\u010dn\u00ed opat\u0159en\u00ed, kter\u00e1 mohou zp\u016fsobit pra\u0161nost.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>06 Podporovat pou\u017e\u00edv\u00e1n\u00ed vysp\u011bl\u00fdch technologi\u00ed a za\u0159\u00edzen\u00ed<\/strong><strong><\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Opat\u0159en\u00ed, jako je automatick\u00e9 brou\u0161en\u00ed a le\u0161t\u011bn\u00ed, mokr\u00e1 elektrick\u00e1 metoda odstra\u0148ov\u00e1n\u00ed prachu a dal\u0161\u00ed opat\u0159en\u00ed ke sn\u00ed\u017een\u00ed koncentrace prachu a sn\u00ed\u017een\u00ed rizika v\u00fdbuchu.<\/p>","protected":false},"excerpt":{"rendered":"<p>Why is it necessary to prevent dust explosion? and Five measures to prevent dust explosions According to relevant statistics, from 1900 to 1956, a total of more than 1,000 dust explosion accidents in the United States, Japan from 1952 to 1979, more than 200 such accidents. In China, in 1942, the Benxi coal mine coal [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[8],"tags":[],"class_list":["post-2042","post","type-post","status-publish","format-standard","hentry","category-explosion-proof-equipment"],"uagb_featured_image_src":{"full":false,"thumbnail":false,"medium":false,"medium_large":false,"large":false,"1536x1536":false,"2048x2048":false,"trp-custom-language-flag":false},"uagb_author_info":{"display_name":"Joe","author_link":"https:\/\/led.amasly.com\/cs\/author\/jacklin\/"},"uagb_comment_info":0,"uagb_excerpt":"Why is it necessary to prevent dust explosion? and Five measures to prevent dust explosions According to relevant statistics, from 1900 to 1956, a total of more than 1,000 dust explosion accidents in the United States, Japan from 1952 to 1979, more than 200 such accidents. In China, in 1942, the Benxi coal mine coal&hellip;","_links":{"self":[{"href":"https:\/\/led.amasly.com\/cs\/wp-json\/wp\/v2\/posts\/2042","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/led.amasly.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/led.amasly.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/led.amasly.com\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/led.amasly.com\/cs\/wp-json\/wp\/v2\/comments?post=2042"}],"version-history":[{"count":2,"href":"https:\/\/led.amasly.com\/cs\/wp-json\/wp\/v2\/posts\/2042\/revisions"}],"predecessor-version":[{"id":2047,"href":"https:\/\/led.amasly.com\/cs\/wp-json\/wp\/v2\/posts\/2042\/revisions\/2047"}],"wp:attachment":[{"href":"https:\/\/led.amasly.com\/cs\/wp-json\/wp\/v2\/media?parent=2042"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/led.amasly.com\/cs\/wp-json\/wp\/v2\/categories?post=2042"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/led.amasly.com\/cs\/wp-json\/wp\/v2\/tags?post=2042"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}