{"id":2110,"date":"2025-03-01T10:24:39","date_gmt":"2025-03-01T02:24:39","guid":{"rendered":"https:\/\/led.amasly.com\/?p=2110"},"modified":"2025-12-27T20:27:32","modified_gmt":"2025-12-27T12:27:32","slug":"niektore-poznatky-o-ventilatoroch-odolnych-proti-vybuchu","status":"publish","type":"post","link":"https:\/\/led.amasly.com\/sk\/zariadenia-odolne-proti-vybuchu\/niektore-poznatky-o-ventilatoroch-odolnych-proti-vybuchu\/","title":{"rendered":"Ventil\u00e1tory odoln\u00e9 proti v\u00fdbuchu: v\u00fdber, pou\u017eitie a bezpe\u010dnostn\u00e9 normy"},"content":{"rendered":"<h1 class=\"wp-block-heading has-text-align-center\"><strong>Sprievodca ventil\u00e1tormi odoln\u00fdmi proti v\u00fdbuchu: v\u00fdber, pou\u017eitie a bezpe\u010dnostn\u00e9 normy<\/strong><\/h1>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Ventil\u00e1tor odoln\u00fd proti v\u00fdbuchu<\/strong>s<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Ke\u010f ventil\u00e1tor dopravuje hor\u013eav\u00e9 a v\u00fdbu\u0161n\u00e9 plyny a prachy, statick\u00e1 elektrina a iskry s\u00fa mimoriadne nebezpe\u010dn\u00fdmi faktormi, ktor\u00e9 m\u00f4\u017eu sp\u00f4sobi\u0165 v\u00fdbuch a in\u00e9 bezpe\u010dnostn\u00e9 nehody, ak sa neprijm\u00fa osobitn\u00e9 opatrenia na manipul\u00e1ciu.<\/p>\n\n\n\n<div class=\"wp-block-uagb-image uagb-block-0df2708b 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\/03\/lQLPJwSYu_dB3GfNAfjNAqCwMNYAbL7U1qwHpHU1vpZpAA_672_504.png ,https:\/\/led.amasly.com\/wp-content\/uploads\/2025\/03\/lQLPJwSYu_dB3GfNAfjNAqCwMNYAbL7U1qwHpHU1vpZpAA_672_504.png 780w, https:\/\/led.amasly.com\/wp-content\/uploads\/2025\/03\/lQLPJwSYu_dB3GfNAfjNAqCwMNYAbL7U1qwHpHU1vpZpAA_672_504.png 360w\" sizes=\"auto, (max-width: 480px) 150px\" src=\"https:\/\/led.amasly.com\/wp-content\/uploads\/2025\/03\/lQLPJwSYu_dB3GfNAfjNAqCwMNYAbL7U1qwHpHU1vpZpAA_672_504.png\" alt=\"\" class=\"uag-image-2111\" width=\"672\" height=\"504\" title=\"lQLPJwSYu_dB3GfNAfjNAqCwMNYAbL7U1qwHpHU1vpZpAA_672_504\" loading=\"lazy\" role=\"img\"><\/figure><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>1 Ako potvrdi\u0165 odolnos\u0165 ventil\u00e1torov proti v\u00fdbuchu?<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Ak chcete presne potvrdi\u0165, \u010di je ventil\u00e1tor nev\u00fdbu\u0161n\u00fd, m\u00f4\u017eete to pos\u00fadi\u0165 pomocou nasleduj\u00facich met\u00f3d: najprv skontrolujte, \u010di m\u00e1 nev\u00fdbu\u0161n\u00fd pl\u00e1\u0161\u0165 ventil\u00e1tora alebo elektrick\u00e1 riadiaca skrinka <strong>ozna\u010denie odolnosti proti v\u00fdbuchu.<\/strong>&nbsp;Tento symbol obsahuje \u00fadaje o triede nev\u00fdbu\u0161nosti, type plynu alebo prachu, na ktor\u00fd sa vz\u0165ahuje, type ochrany proti v\u00fdbuchu at\u010f. V \u010c\u00edne tieto normy stanovuje AQSIQ. V \u010c\u00edne tieto normy stanovuje a vyhlasuje AQSIQ.<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Po druh\u00e9, je d\u00f4le\u017eit\u00e9 ma\u0165 d\u00f4kladn\u00e9 znalosti o hodnot\u00e1ch ochrany proti v\u00fdbuchu. Hodnoty ochrany proti v\u00fdbuchu sa zvy\u010dajne vyjadruj\u00fa v dvoch norm\u00e1ch: IP a EX. Norma IP sa zaober\u00e1 predov\u0161etk\u00fdm \u00farov\u0148ou ochrany, zatia\u013e \u010do norma EX je ur\u010den\u00e1 \u0161peci\u00e1lne pre zariadenia odoln\u00e9 proti v\u00fdbuchu. V norme EX predstavuj\u00fa \u010fal\u0161ie dve \u010d\u00edslice \u00farove\u0148 nev\u00fdbu\u0161nosti, napr\u00edklad v norme EXdIICT6 predstavuje \u201cd\u201d nev\u00fdbu\u0161n\u00fd pl\u00e1\u0161\u0165, \u201cII\u201d predstavuje pr\u00edslu\u0161n\u00fd typ plynu alebo prachu, \u201cCT6\u201d predstavuje limit n\u00e1rastu teploty. \u201cCT6\u201d ozna\u010duje limit n\u00e1rastu teploty.<br>&nbsp;&nbsp;&nbsp;&nbsp;Okrem toho je d\u00f4le\u017eit\u00e9 rozpozna\u0165 ozna\u010denie nev\u00fdbu\u0161nosti ventil\u00e1tora a pr\u00edslu\u0161n\u00fa certifik\u00e1ciu. Ozna\u010denie nev\u00fdbu\u0161nosti sa vo v\u0161eobecnosti del\u00ed na Ex a D. Ozna\u010denie Ex je be\u017en\u00e9 eur\u00f3pske a medzin\u00e1rodn\u00e9 ozna\u010denie nev\u00fdbu\u0161nosti, zatia\u013e \u010do ozna\u010denie D je \u0161pecifick\u00e9 pre Nemecko. Okrem toho musia nev\u00fdbu\u0161n\u00e9 ventil\u00e1tory prejs\u0165 aj pr\u00edslu\u0161nou certifik\u00e1ciou nev\u00fdbu\u0161nosti, napr\u00edklad certifik\u00e1ciou ATEX Eur\u00f3pskej \u00fanie a \u010d\u00ednskou certifik\u00e1ciou CCC.<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Z\u00e1rove\u0148 je d\u00f4le\u017eit\u00e9 plne pochopi\u0165 po\u017eiadavky na prostredie a pou\u017eitie ventil\u00e1torov s ochranou proti v\u00fdbuchu. Ventil\u00e1tory s ochranou proti v\u00fdbuchu sa pou\u017e\u00edvaj\u00fa najm\u00e4 v hor\u013eav\u00fdch a v\u00fdbu\u0161n\u00fdch prostrediach, ako s\u00fa chemick\u00e9 z\u00e1vody, petrochemick\u00e9 z\u00e1vody, uho\u013en\u00e9 bane at\u010f. Pri v\u00fdbere nev\u00fdbu\u0161n\u00e9ho ventil\u00e1tora mus\u00edte podrobne pochopi\u0165 podmienky prostredia vr\u00e1tane stup\u0148a plynu, kvapaliny, prachu at\u010f., teploty, vlhkosti a \u010fal\u0161\u00edch faktorov.<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Nakoniec je potrebn\u00e9 ur\u010di\u0165 vhodn\u00fd stupe\u0148 nev\u00fdbu\u0161nosti (napr. Exd, Exe), ako aj stupe\u0148 ochrany (napr. IP54, IP65) pod\u013ea konkr\u00e9tnych podmienok prostredia a pracovn\u00fdch po\u017eiadaviek. A tie\u017e zv\u00e1\u017ete materi\u00e1ly pou\u017eit\u00e9 na ventil\u00e1tor, ako je hlin\u00edkov\u00e1 zliatina, nehrdzavej\u00faca oce\u013e at\u010f. a tie\u017e odolnos\u0165 t\u00fdchto materi\u00e1lov vo\u010di kor\u00f3zii a vysok\u00fdm teplot\u00e1m.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>2 Ventil\u00e1tory odoln\u00e9 vo\u010di v\u00fdbuchu pre ak\u00e9 miesta<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Nev\u00fdbu\u0161n\u00e9 ventil\u00e1tory sa \u0161iroko pou\u017e\u00edvaj\u00fa v mnoh\u00fdch priemyseln\u00fdch oblastiach, kde je potrebn\u00e9 zabr\u00e1ni\u0165 v\u00fdbuchom sp\u00f4soben\u00fdm iskrami alebo vysok\u00fdmi teplotami. Ni\u017e\u0161ie s\u00fa uveden\u00e9 niektor\u00e9 be\u017en\u00e9 oblasti pou\u017eitia nev\u00fdbu\u0161n\u00fdch ventil\u00e1torov:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Chemick\u00e9 z\u00e1vody: V chemickom priemysle sa nach\u00e1dza mnoho hor\u013eav\u00fdch a v\u00fdbu\u0161n\u00fdch l\u00e1tok. Nev\u00fdbu\u0161n\u00e9 ventil\u00e1tory sa pou\u017e\u00edvaj\u00fa na zabezpe\u010denie toho, aby pri manipul\u00e1cii, mie\u0161an\u00ed alebo preprave chemik\u00e1li\u00ed nevznikali iskry alebo vysok\u00e9 teploty, \u010d\u00edm sa zni\u017euje riziko po\u017eiaru alebo v\u00fdbuchu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ropn\u00fd a plyn\u00e1rensk\u00fd priemysel: Ventil\u00e1tory odoln\u00e9 proti v\u00fdbuchu sa pou\u017e\u00edvaj\u00fa na manipul\u00e1ciu a prepravu ropy a plynu v rafin\u00e9ri\u00e1ch, na ropn\u00fdch a plynov\u00fdch vrtn\u00fdch plo\u0161in\u00e1ch, v n\u00e1dr\u017eiach at\u010f., aby sa zabezpe\u010dila bezpe\u010dn\u00e1 prev\u00e1dzka v prostred\u00ed s hor\u013eav\u00fdm plynom.<\/p>\n\n\n\n<div class=\"wp-block-uagb-image uagb-block-1ae912a5 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\/sk\/produkty\/\" target=\"\" rel=\"noopener\"><img decoding=\"async\" srcset=\"https:\/\/led.amasly.com\/wp-content\/uploads\/2025\/03\/lQLPJwNRUOw3rifNAmrNBDSwRrf40R7y-xwHpHVm0mt8AA_1076_618-1024x588.png ,https:\/\/led.amasly.com\/wp-content\/uploads\/2025\/03\/lQLPJwNRUOw3rifNAmrNBDSwRrf40R7y-xwHpHVm0mt8AA_1076_618.png 780w, https:\/\/led.amasly.com\/wp-content\/uploads\/2025\/03\/lQLPJwNRUOw3rifNAmrNBDSwRrf40R7y-xwHpHVm0mt8AA_1076_618.png 360w\" sizes=\"auto, (max-width: 480px) 150px\" src=\"https:\/\/led.amasly.com\/wp-content\/uploads\/2025\/03\/lQLPJwNRUOw3rifNAmrNBDSwRrf40R7y-xwHpHVm0mt8AA_1076_618-1024x588.png\" alt=\"\" class=\"uag-image-2112\" width=\"1076\" height=\"618\" title=\"lQLPJwNRUOw3rifNAmrNBDSwRrf40R7y-xwHpHVm0mt8AA_1076_618\" loading=\"lazy\" role=\"img\"><\/a><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u0164a\u017eba: V bansk\u00fdch prev\u00e1dzkach sa z d\u00f4vodu pr\u00edtomnosti hor\u013eav\u00fdch plynov alebo prachu pou\u017e\u00edvaj\u00fa nev\u00fdbu\u0161n\u00e9 ventil\u00e1tory na vetranie, odvod spal\u00edn a zabezpe\u010denie toho, aby v bani nevznikali iskry, ktor\u00e9 by mohli sp\u00f4sobi\u0165 v\u00fdbuch.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Farmaceutick\u00e1 v\u00fdroba: Vo farmaceutickom priemysle sa nev\u00fdbu\u0161n\u00e9 ventil\u00e1tory pou\u017e\u00edvaj\u00fa na manipul\u00e1ciu s liekmi, pr\u00e1\u0161kami alebo roztokmi a na zabezpe\u010denie toho, aby po\u010das v\u00fdrobn\u00e9ho procesu nedo\u0161lo k n\u00e1hodn\u00e9mu v\u00fdbuchu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Priemysel farieb a lakov: Ventil\u00e1tory odoln\u00e9 proti v\u00fdbuchu sa pou\u017e\u00edvaj\u00fa vo v\u00fdrobn\u00fdch link\u00e1ch farieb a lakov, aby sa zabr\u00e1nilo po\u017eiarom alebo v\u00fdbuchom sp\u00f4soben\u00fdm hromaden\u00edm v\u00fdparov rozp\u00fa\u0161\u0165adiel alebo pevn\u00fdch \u010dast\u00edc.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Spracovanie potrav\u00edn: Ventil\u00e1tory odoln\u00e9 proti v\u00fdbuchu sa pou\u017e\u00edvaj\u00fa na zaistenie bezpe\u010dnosti pri v\u00fdrobe potrav\u00edn v potravin\u00e1rskom priemysle, najm\u00e4 v prostred\u00ed, kde je potrebn\u00e9 manipulova\u0165 s prachom alebo hor\u013eav\u00fdmi plynmi.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ventil\u00e1tory odoln\u00e9 proti v\u00fdbuchu zohr\u00e1vaj\u00fa d\u00f4le\u017eit\u00fa \u00falohu v r\u00f4znych priemyseln\u00fdch odvetviach a pou\u017e\u00edvaj\u00fa sa na zabezpe\u010denie bezpe\u010dnej prev\u00e1dzky a v\u00fdroby v hor\u013eav\u00fdch a v\u00fdbu\u0161n\u00fdch prostrediach.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>3 Ak\u00fd je princ\u00edp nev\u00fdbu\u0161n\u00e9ho ventil\u00e1tora?<\/strong><strong><\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Princ\u00edp nev\u00fdbu\u0161n\u00e9ho ventil\u00e1tora je <strong>schopnos\u0165 zabr\u00e1ni\u0165 pr\u00edpadn\u00fdm iskr\u00e1m, obl\u00fakom a nebezpe\u010dn\u00fdm teplot\u00e1m po\u010das prev\u00e1dzky alebo pr\u00e1ce, \u010d\u00edm sa zabezpe\u010d\u00ed, \u017ee jeho prev\u00e1dzka nem\u00f4\u017ee zap\u00e1li\u0165 okolit\u00e9 v\u00fdbu\u0161n\u00e9 prostredie<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Hnac\u00ed motor nev\u00fdbu\u0161n\u00e9ho ventil\u00e1tora vyu\u017e\u00edva nev\u00fdbu\u0161n\u00fd motor a materi\u00e1l obe\u017en\u00e9ho kolesa a pl\u00e1\u0161\u0165a vyu\u017e\u00edva p\u00e1rov\u00fd materi\u00e1l, ktor\u00fd sp\u013a\u0148a po\u017eiadavky na nev\u00fdbu\u0161nos\u0165. Mont\u00e1\u017e pl\u00e1\u0161\u0165a a obe\u017en\u00e9ho kolesa ventil\u00e1tora odoln\u00e9ho proti v\u00fdbuchu, ochrana pr\u00edvodu a odvodu vzduchu, vplyv za\u0165a\u017eenia na zv\u00fd\u0161enie teploty motora a ochrann\u00e9 uzem\u0148ovacie zariadenie at\u010f. by tie\u017e mali sp\u013a\u0148a\u0165 po\u017eiadavky normy odolnosti proti v\u00fdbuchu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Existuje mnoho typov nev\u00fdbu\u0161n\u00fdch ventil\u00e1torov, ako s\u00fa nev\u00fdbu\u0161n\u00e9 axi\u00e1lne ventil\u00e1tory, nev\u00fdbu\u0161n\u00e9 odstrediv\u00e9 ventil\u00e1tory, nev\u00fdbu\u0161n\u00e9 bo\u010dn\u00e9 ventil\u00e1tory, nev\u00fdbu\u0161n\u00e9 stre\u0161n\u00e9 ventil\u00e1tory at\u010f.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>4 V\u0161eobecn\u00e9 po\u017eiadavky na nev\u00fdbu\u0161n\u00e9 ventil\u00e1tory<\/strong><strong><\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>I. Po\u017eiadavky na v\u00fdkonnos\u0165 nev\u00fdbu\u0161n\u00fdch ventil\u00e1torov<\/strong><strong><\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">1. Pri menovit\u00fdch ot\u00e1\u010dkach a v stanovenom rozsahu prietoku mus\u00ed odch\u00fdlka medzi nameran\u00fdm pneumatick\u00fdm v\u00fdkonom ventil\u00e1tora a stanoven\u00fdm pneumatick\u00fdm v\u00fdkonom sp\u013a\u0148a\u0165 tieto ustanovenia:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">a) Pri stanovenom prietoku hodnota tlaku ventil\u00e1tora s \u010d\u00edslom stroja men\u0161\u00edm alebo rovn\u00fdm \u010d\u00edslu 10 neprekro\u010d\u00ed -8 %~+ 5% stanovenej hodnoty; hodnota tlaku ventil\u00e1tora s \u010d\u00edslom stroja v\u00e4\u010d\u0161\u00edm ako \u010d\u00edslo 10 neprekro\u010d\u00ed -5%~+5% stanovenej hodnoty.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">b) \u00da\u010dinnos\u0165 ventil\u00e1tora nesmie by\u0165 ni\u017e\u0161ia ako 8% jeho pr\u00edslu\u0161nej bodovej \u00fa\u010dinnosti.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2. Hluk ventil\u00e1tora pri najlep\u0161ej \u00fa\u010dinnosti pracovn\u00e9ho bodu, ako je hodnota hladiny hluku A Las, by mal by\u0165 v s\u00falade s ustanoveniami JB\/T 8690.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">3. Zv\u00fd\u0161enie teploty lo\u017eiska a r\u00fdchlos\u0165 vibr\u00e1ci\u00ed ventil\u00e1tora mus\u00ed by\u0165 v s\u00falade s t\u00fdmito ustanoveniami:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">a) Teplota lo\u017eiska nameran\u00e1 na povrchu lo\u017eiska nesmie by\u0165 vy\u0161\u0161ia ako teplota okolia o viac ako 40 \u2103.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">b) efekt\u00edvna hodnota r\u00fdchlosti vibr\u00e1ci\u00ed nesmie prekro\u010di\u0165 4,6 mm\/s pre tuh\u00e9 lo\u017eisk\u00e1 a 7,1 mm\/s pre pru\u017en\u00e9 lo\u017eisk\u00e1<strong><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>II. \u0160truktur\u00e1lne po\u017eiadavky<\/strong>\u3000\u3000<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1. Z\u00e1kladn\u00e9 po\u017eiadavky na dizajn<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">a) Ventil\u00e1tor a pomocn\u00e9 zariadenie musia by\u0165 za stanoven\u00fdch pracovn\u00fdch podmienok navrhnut\u00e9 na \u017eivotnos\u0165 najmenej 10a (okrem opotrebite\u013en\u00fdch \u010dast\u00ed) a na bezpe\u010dn\u00fa prev\u00e1dzku najmenej 18 000 h pred prvou gener\u00e1lnou opravou.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">b) Kritick\u00e1 r\u00fdchlos\u0165 pevn\u00e9ho hriade\u013ea ventil\u00e1tora mus\u00ed by\u0165 1,3-n\u00e1sobok maxim\u00e1lnej pracovnej r\u00fdchlosti.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">c) Z\u00e1kladn\u00fd typ, rozmerov\u00e9 parametre a v\u00fdkonnostn\u00e1 krivka ventil\u00e1tora by mali by\u0165 v s\u00falade s ustanoveniami GB\/T 3235.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">d) Ventil\u00e1tor v kon\u0161trukcii, po\u017eiadavky na rotuj\u00face \u010dasti a pri\u013eahl\u00e9 statick\u00e9 \u010dasti, aby sa zabr\u00e1nilo treniu, aby sa zabr\u00e1nilo vzniku iskier. Mali by by\u0165 splnen\u00e9 aj \u010fal\u0161ie aspekty, ako je kon\u0161trukcia, typ, pevnos\u0165, tuhos\u0165 at\u010f: axi\u00e1lny ventil\u00e1tor by mal by\u0165 v s\u00falade s pr\u00edslu\u0161n\u00fdmi ustanoveniami JB\/T 10562, odstrediv\u00fd ventil\u00e1tor by mal by\u0165 v s\u00falade s pr\u00edslu\u0161n\u00fdmi ustanoveniami JB\/T 10563 a ostatn\u00e9 ventil\u00e1tory by mali by\u0165 v s\u00falade s ustanoveniami pr\u00edslu\u0161n\u00fdch noriem.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2. Obe\u017en\u00e9 koleso<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">a) Obe\u017en\u00e9 koleso ventil\u00e1tora sa podrob\u00ed sk\u00fa\u0161ke nadmern\u00fdch ot\u00e1\u010dok a obe\u017en\u00e9 koleso sa prev\u00e1dzkuje pri ot\u00e1\u010dkach najmenej 110 % maxim\u00e1lnych pracovn\u00fdch ot\u00e1\u010dok po dobu najmenej 2 min\u00fat a v s\u00falade s ustanoveniami JB\/T 6445.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">b) obe\u017en\u00e9 koleso by malo by\u0165 vyv\u00e1\u017een\u00e9 a opraven\u00e9 a \u00farove\u0148 kvality vyv\u00e1\u017eenia by mala by\u0165 v s\u00falade s ustanoveniami JB\/T 9101.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">c) nity na dieloch obe\u017en\u00e9ho kolesa s priechodn\u00fdm priemerom pod\u013ea pr\u00edslu\u0161n\u00fdch ustanoven\u00ed, po\u017eiadavky na kvalitu nitovania by mali by\u0165 v s\u00falade s ustanoveniami JB\/T 10214.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>III. Hlavn\u00e9 \u010dasti<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">a) Ak je obe\u017en\u00e9 koleso ventil\u00e1tora vyroben\u00e9 z hlin\u00edkovej zliatiny, vstupn\u00e1 komora a pl\u00e1\u0161\u0165 musia by\u0165 vyroben\u00e9 z uhl\u00edkovej ocele.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">b) obe\u017en\u00e9 koleso ventil\u00e1tora s oce\u013eov\u00fdmi materi\u00e1lmi, kr\u00fa\u017eok \u00fastia vstupnej komory odstrediv\u00e9ho ventil\u00e1tora a nity musia by\u0165 pou\u017eit\u00e9 z mosadze alebo hlin\u00edka; oce\u013eov\u00fd pl\u00e1\u0161\u0165 axi\u00e1lneho ventil\u00e1tora zodpovedaj\u00faci obe\u017en\u00e9mu kolesu mus\u00ed by\u0165 pou\u017eit\u00fd v \u010dastiach mosadzn\u00e9ho alebo hlin\u00edkov\u00e9ho kr\u00fa\u017eku a pr\u00edslu\u0161n\u00fdch nitov.&nbsp;&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">c) Pou\u017eitie in\u00fdch materi\u00e1lov, by sa malo pou\u017e\u00edva\u0165 na ot\u00e1\u010danie a statick\u00e9 \u010dasti materi\u00e1lu nevytv\u00e1raj\u00fa iskry, technick\u00e9 po\u017eiadavky by mali by\u0165 v s\u00falade s ustanoveniami JB \/ T 10562 a JB \/ T 10563.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>IV.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">a) Po\u017eiadavky na odlievanie Kvalita odlievania by mala by\u0165 v s\u00falade s pr\u00edslu\u0161n\u00fdmi ustanoveniami.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">b) Po\u017eiadavky na nitovan\u00e9 \u010dasti Kvalita zv\u00e1rania, v\u00fdroba nitovan\u00fdch \u010dast\u00ed a ostatn\u00e9 po\u017eiadavky na zv\u00e1ranie musia by\u0165 v s\u00falade s pr\u00edslu\u0161n\u00fdmi ustanoveniami.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>V. Po\u017eiadavky na mont\u00e1\u017e<\/strong><strong><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">a) odstrediv\u00fd ventil\u00e1tor \u00fastie komory kr\u00fa\u017eok a obe\u017en\u00e9 koleso vstup radi\u00e1lne v\u00f4\u013ea pozd\u013a\u017e obvodu by mala by\u0165 jednotn\u00e1, \u010d\u00edslo stroja menej alebo rovn\u00e1 \u2116.10 ventil\u00e1tor radi\u00e1lne jednostrann\u00e9 v\u00f4\u013ea pre 2,5 mm ~ 4 mm, \u010d\u00edslo stroja v\u00e4\u010d\u0161ie ako \u010d. 10 ventil\u00e1tora radi\u00e1lna jednostrann\u00e1 v\u00f4\u013ea pre (0,15% ~ 0,4%) D priemer obe\u017en\u00e9ho kolesa, ale minim\u00e1lna radi\u00e1lna jednostrann\u00e1 v\u00f4\u013ea nesmie by\u0165 men\u0161ia ako 2,5 mm, d\u013a\u017eka axi\u00e1lneho prekrytia (0,8% ~ 1,2%) D priemer obe\u017en\u00e9ho kolesa. ~ 1,2 % ) D priemer obe\u017en\u00e9ho kolesa.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">b) axi\u00e1lny prietok ventil\u00e1tora a radi\u00e1lna v\u00f4\u013ea obe\u017en\u00e9ho kolesa by mala by\u0165 jednotn\u00e1, \u010d\u00edslo stroja je men\u0161ie alebo rovn\u00e9 \u010d\u00edslu 10 radi\u00e1lnej jednostrannej v\u00f4le ventil\u00e1tora 2,5 mm ~ 4 mm, \u010d\u00edslo stroja je v\u00e4\u010d\u0161ie ako \u010d\u00edslo 10 radi\u00e1lnej jednostrannej v\u00f4le ventil\u00e1tora (0,15% ~ 0,35%) D priemer obe\u017en\u00e9ho kolesa, ale minim\u00e1lna radi\u00e1lna jednostrann\u00e1 v\u00f4\u013ea nesmie by\u0165 men\u0161ia ako 2,5 mm.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>VI. Bezpe\u010dnostn\u00e9 po\u017eiadavky<\/strong>\u3000\u3000<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">a) Nehor\u013eav\u00e9 motory a podporn\u00e9 elektrick\u00e9 pr\u00edslu\u0161enstvo pou\u017e\u00edvan\u00e9 pre ventil\u00e1tory musia sp\u013a\u0148a\u0165 pr\u00edslu\u0161n\u00e9 predpisy.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">b) Povrch krytu ventil\u00e1tora a povrch pohonnej jednotky mus\u00ed ma\u0165 uzem\u0148ovacie zariadenie, ktor\u00e9 sp\u013a\u0148a po\u017eiadavky na nev\u00fdbu\u0161nos\u0165, a na pr\u00edslu\u0161nom mieste mus\u00ed by\u0165 umiestnen\u00fd symbol trval\u00e9ho uzemnenia.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">c) komora nas\u00e1vania vzduchu ventil\u00e1tora je priamo otvoren\u00e1 do atmosf\u00e9ry, komora nas\u00e1vania vzduchu mus\u00ed by\u0165 vybaven\u00e1 pevnou ochrannou mrie\u017ekou (alebo sie\u0165ou), aby sa zabr\u00e1nilo nas\u00e1vaniu cudz\u00edch predmetov do ventil\u00e1tora. N\u00e1vrh kon\u0161trukcie ochrannej mrie\u017eky (siete) okrem zoh\u013eadnenia ve\u013ekosti po\u010dtu ventil\u00e1torov, pracovn\u00e9ho prostredia a in\u00fdch faktorov by sa mal zv\u00e1\u017ei\u0165 aj na pridanie ochrannej mrie\u017eky (siete) sp\u00f4sobenej odporom pr\u00fadenia vzduchu je minimalizovan\u00fd.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">d) prevodov\u00e1 skupina, spojka, remenice, remene a in\u00e9 rotuj\u00face (prevodov\u00e9) \u010dasti by mali ma\u0165 ochrann\u00fd kryt a mali by by\u0165 v s\u00falade s ustanoveniami GB\/T 19074. \u0160trukt\u00fara pl\u00e1\u0161\u0165a by mala by\u0165 pevn\u00e1 a mala by zabr\u00e1ni\u0165 kontaktu s rotuj\u00facimi \u010das\u0165ami. Aby sa zabr\u00e1nilo zhroma\u017e\u010fovaniu statickej elektriny na pl\u00e1\u0161ti a vzniku iskier, a pl\u00e1\u0161\u0165 pl\u00e1\u0161\u0165a by mal by\u0165 izolovan\u00fd spo\u013eahliv\u00fdm uzem\u0148ovac\u00edm zariaden\u00edm.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">e) Rotuj\u00face \u010dasti ventil\u00e1tora musia by\u0165 pevne upevnen\u00e9 a mali by existova\u0165 opatrenia na zabr\u00e1nenie uvo\u013enenia (obe\u017en\u00e9 koleso a hriade\u013e s\u00fa zaisten\u00e9; lo\u017eiskov\u00e9 ulo\u017eenie, lo\u017eiskov\u00e1 skri\u0148a a motor a konzola maj\u00fa polohovacie opatrenia).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">f) ventil\u00e1tor, ke\u010f vreteno obe\u017en\u00e9ho kolesa prech\u00e1dza pl\u00e1\u0161\u0165om, oce\u013eov\u00fd pl\u00e1\u0161\u0165 otvoru hriade\u013ea a hriade\u013e cez \u010das\u0165 by mali by\u0165 nain\u0161talovan\u00e9 s brzdiacim hlin\u00edkov\u00fdm tesniacim izola\u010dn\u00fdm kr\u00fa\u017ekom; otvor tesniaceho izola\u010dn\u00e9ho kr\u00fa\u017eku a hriade\u013e s jednostrannou v\u00f4\u013eou 0,5 mm.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">5.Sprievodca v\u00fdberom a ur\u010dovan\u00edm ve\u013ekosti<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00fdber spr\u00e1vneho nev\u00fdbu\u0161n\u00e9ho ventil\u00e1tora si vy\u017eaduje d\u00f4kladn\u00fa anal\u00fdzu va\u0161ej konkr\u00e9tnej aplik\u00e1cie. Pou\u017eite nasleduj\u00faci kontroln\u00fd zoznam:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Klasifik\u00e1cia nebezpe\u010dn\u00fdch oblast\u00ed:<\/strong>\u00a0Ur\u010dite z\u00f3nu (0, 1, 2 pre plyny; 20, 21, 22 pre prach) a skupinu plynov (IIC pre vod\u00edk, IIB pre etyl\u00e9n at\u010f.).<\/li>\n\n\n\n<li><strong>Teplotn\u00e1 trieda (T-Rating):<\/strong>\u00a0Zvo\u013ete ventil\u00e1tor s hodnotou T (napr. T4 = max. povrchov\u00e1 teplota 135 \u00b0C), ktor\u00e1 je ni\u017e\u0161ia ako teplota vznietenia okolit\u00fdch plynov\/prachu.<\/li>\n\n\n\n<li><strong>Po\u017eiadavky na pr\u00fadenie vzduchu a tlak:<\/strong>\u00a0Vypo\u010d\u00edtajte po\u017eadovan\u00e9 kubick\u00e9 metre za hodinu (CMH) alebo kubick\u00e9 stopy za min\u00fatu (CFM) a tlakov\u00fa stratu syst\u00e9mu, aby ste vybrali spr\u00e1vnu ve\u013ekos\u0165 a typ ventil\u00e1tora (axi\u00e1lny pre vysok\u00fd prietok\/n\u00edzky tlak, odstrediv\u00fd pre vy\u0161\u0161\u00ed tlak).<\/li>\n\n\n\n<li><strong>Kompatibilita materi\u00e1lov:<\/strong>\u00a0Pre koroz\u00edvne prostredia (napr. pobre\u017en\u00e9, chemick\u00e9) uve\u010fte nehrdzavej\u00facu oce\u013e (SS316) alebo povrchov\u00fa \u00fapravu s povrchovou \u00fapravou.<\/li>\n\n\n\n<li><strong>Ochrana proti vniknutiu (stupe\u0148 IP):<\/strong>\u00a0V pr\u00edpade vonkaj\u0161ieho alebo vlhk\u00e9ho prostredia uve\u010fte vy\u0161\u0161ie krytie IP (napr. IP65 pre prachotesnos\u0165 a ochranu pred pr\u00fadom vody).<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">6.In\u0161tal\u00e1cia a \u00fadr\u017eba<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Spr\u00e1vna in\u0161tal\u00e1cia je z h\u013eadiska bezpe\u010dnosti rozhoduj\u00faca:<\/strong><\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>Umiestnenie:<\/strong>\u00a0In\u0161talujte na dobre vetranom mieste pr\u00edstupnom na \u00fadr\u017ebu, pri\u010dom dodr\u017eujte minim\u00e1lne bezpe\u010dn\u00e9 vzdialenosti od zdroja nebezpe\u010denstva.<\/li>\n\n\n\n<li><strong>Zapojenie:<\/strong>\u00a0V\u0161etky elektrick\u00e9 pripojenia mus\u00ed vykona\u0165 kvalifikovan\u00fd elektrik\u00e1r s pou\u017eit\u00edm certifikovan\u00fdch nev\u00fdbu\u0161n\u00fdch rozvodov, tesnen\u00ed a rozvodn\u00fdch krab\u00edc.<\/li>\n\n\n\n<li><strong>Uzemnenie:<\/strong>\u00a0Skontrolujte, \u010di je trval\u00e9 uzemnenie bezpe\u010dn\u00e9 a m\u00e1 n\u00edzky odpor pod\u013ea noriem NEC alebo IEC.<\/li>\n\n\n\n<li><strong>Vyrovnanie a upevnenie:<\/strong>\u00a0Uistite sa, \u017ee je ventil\u00e1tor bezpe\u010dne namontovan\u00fd a zarovnan\u00fd, aby sa zabr\u00e1nilo nadmern\u00fdm vibr\u00e1ci\u00e1m.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Pl\u00e1n be\u017enej \u00fadr\u017eby:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>T\u00fd\u017edenn\u00edk:<\/strong>\u00a0Vizu\u00e1lna kontrola po\u0161kodenia, neobvykl\u00e9ho hluku alebo vibr\u00e1ci\u00ed. Skontrolujte, \u010di s\u00fa ochrann\u00e9 kryty zaisten\u00e9.<\/li>\n\n\n\n<li><strong>Mesa\u010dne:<\/strong>\u00a0Skontrolujte a vy\u010distite ochrann\u00fd kryt\/ochrann\u00fa sie\u0165 vstupu. Skontrolujte tesnos\u0165 elektrick\u00fdch pripojen\u00ed.<\/li>\n\n\n\n<li><strong>Ka\u017edoro\u010dne:<\/strong>\u00a0Vykonajte komplexn\u00fa kontrolu pri odstaven\u00ed. To zah\u0155\u0148a:\n<ul class=\"wp-block-list\">\n<li>Kontrola a \u010distenie obe\u017en\u00e9ho kolesa, \u010di nie je zanesen\u00e9 prachom alebo kor\u00f3ziou.<\/li>\n\n\n\n<li>Kontrola opotrebovania lo\u017e\u00edsk a v pr\u00edpade potreby ich premazanie.<\/li>\n\n\n\n<li>Testovanie neporu\u0161enosti izol\u00e1cie motora.<\/li>\n\n\n\n<li>Overenie, \u010di s\u00fa v\u0161etky skrutky a spojovacie prvky utiahnut\u00e9 pod\u013ea \u0161pecifik\u00e1cie.<\/li>\n\n\n\n<li><strong>D\u00f4le\u017eit\u00e9:<\/strong>\u00a0Ak\u00e9ko\u013evek opravy alebo \u00fadr\u017eba, ktor\u00e9 si vy\u017eaduj\u00fa otvorenie krytu, sa musia vykon\u00e1va\u0165 len pri nap\u00e1jan\u00ed\u00a0<strong>ZABLOKOVAN\u00dd A OZNA\u010cEN\u00dd (LOTO)<\/strong>.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">7.Be\u017en\u00e9 probl\u00e9my pri rie\u0161en\u00ed probl\u00e9mov<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-left\" data-align=\"left\">Sympt\u00f3m<\/th><th class=\"has-text-align-left\" data-align=\"left\">Mo\u017en\u00e1 pr\u00ed\u010dina<\/th><th class=\"has-text-align-left\" data-align=\"left\">Akcia<\/th><\/tr><\/thead><tbody><tr><td><strong>Nadmern\u00e9 vibr\u00e1cie<\/strong><\/td><td>Nevyv\u00e1\u017eenos\u0165 obe\u017en\u00e9ho kolesa, opotrebovan\u00e9 lo\u017eisk\u00e1, uvo\u013enen\u00e9 mont\u00e1\u017ene skrutky, nespr\u00e1vne nastavenie.<\/td><td>Zastavte ventil\u00e1tor. Skontrolujte a utiahnite skrutky. Skontrolujte obe\u017en\u00e9 koleso, \u010di nie je po\u0161koden\u00e9\/neobsahuje ne\u010distoty. Ak pretrv\u00e1va, skontrolujte stav lo\u017e\u00edsk a vyv\u00e1\u017eenie.<\/td><\/tr><tr><td><strong>Zn\u00ed\u017een\u00e9 pr\u00fadenie vzduchu<\/strong><\/td><td>Upchat\u00fd vstupn\u00fd kryt alebo obe\u017en\u00e9 koleso, po\u0161koden\u00e9 obe\u017en\u00e9 koleso, nespr\u00e1vne ot\u00e1\u010danie motora, zablokovanie syst\u00e9mu.<\/td><td>Vy\u010distite kryty a obe\u017en\u00e9 koleso. Overte smer ot\u00e1\u010dania motora. Skontrolujte, \u010di v potrub\u00ed nie s\u00fa prek\u00e1\u017eky.<\/td><\/tr><tr><td><strong>Prehriatie motora<\/strong><\/td><td>Nespr\u00e1vne nap\u00e4tie, zablokovan\u00e9 vetracie otvory motora, nadmern\u00e9 za\u0165a\u017eenie, zl\u00e9 lo\u017eisk\u00e1.<\/td><td>Skontrolujte nap\u00e1jacie nap\u00e4tie. Skontrolujte, \u010di s\u00fa chladiace rebr\u00e1 motora \u010dist\u00e9. Skontrolujte, \u010di ventil\u00e1tor nepracuje proti zatvorenej klapke. Skontrolujte stav lo\u017e\u00edsk.<\/td><\/tr><tr><td><strong>Neobvykl\u00fd hluk<\/strong><\/td><td>Trenie dielov, ne\u010distoty vo vn\u00fatri skrine, porucha lo\u017eiska.<\/td><td><strong>Okam\u017eit\u00e9 vypnutie.<\/strong>&nbsp;Vy\u0161etrite, \u010di nie s\u00fa v tele cudzie predmety alebo vn\u00fatorn\u00fd kontakt. Skontrolujte lo\u017eisk\u00e1.<\/td><\/tr><tr><td><strong>Ne\u00faspe\u0161n\u00e9 spustenie<\/strong><\/td><td>Probl\u00e9m s nap\u00e1jan\u00edm, pre\u0165a\u017eenie, chybn\u00fd motor\/\u0161tart\u00e9r.<\/td><td>Skontrolujte isti\u010de a poistky. Overte nastavenie pre\u0165a\u017eenia. Otestujte vinutie motora.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">9.Trendy a inov\u00e1cie v odvetv\u00ed<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Odvetvie nev\u00fdbu\u0161n\u00fdch ventil\u00e1torov sa vyv\u00edja so zameran\u00edm na&nbsp;<strong>energetick\u00e1 \u00fa\u010dinnos\u0165, inteligentn\u00e9 monitorovanie a pokro\u010dil\u00e9 materi\u00e1ly<\/strong>. Frekven\u010dn\u00e9 meni\u010de (VFD) s nev\u00fdbu\u0161n\u00fdm krytom sa st\u00e1vaj\u00fa be\u017en\u00fdmi na presn\u00fa regul\u00e1ciu ot\u00e1\u010dok a v\u00fdrazn\u00fa \u00fasporu energie. Integrovan\u00e9 senzory internetu vec\u00ed umo\u017e\u0148uj\u00fa dia\u013ekov\u00e9 monitorovanie vibr\u00e1ci\u00ed, teploty a v\u00fdkonu, \u010do umo\u017e\u0148uje predikt\u00edvnu \u00fadr\u017ebu a predch\u00e1dza nepl\u00e1novan\u00fdm odst\u00e1vkam. Okrem toho nov\u00e9 kompozitn\u00e9 materi\u00e1ly a pokro\u010dil\u00e9 n\u00e1tery zvy\u0161uj\u00fa odolnos\u0165 proti kor\u00f3zii a \u017eivotnos\u0165 v\u00fdrobkov, najm\u00e4 v n\u00e1ro\u010dn\u00fdch aplik\u00e1ci\u00e1ch na mori a pri spracovan\u00ed chemik\u00e1li\u00ed.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">10.\u010casto kladen\u00e9 ot\u00e1zky<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ot\u00e1zka: M\u00f4\u017ee sa be\u017en\u00fd priemyseln\u00fd ventil\u00e1tor pou\u017e\u00edva\u0165 v nebezpe\u010dnom priestore, ak je umiestnen\u00fd vonku a je v \u0148om veden\u00e9 potrubie?<\/strong><br>A:&nbsp;<strong>Nie.<\/strong>&nbsp;Cel\u00e1 vzduchov\u00e1 cesta a v\u0161etky elektrick\u00e9 komponenty, ktor\u00e9 s\u00fa v kontakte s nebezpe\u010dnou atmosf\u00e9rou, musia by\u0165 dimenzovan\u00e9 na toto prostredie. Iskry z nezaraden\u00e9ho motora ventil\u00e1tora alebo z vn\u00fatra potrubia by sa mohli prenies\u0165 do nebezpe\u010dn\u00e9ho priestoru.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ot\u00e1zka: Ako \u010dasto by sa mali nev\u00fdbu\u0161n\u00e9 ventil\u00e1tory odborne kontrolova\u0165?<\/strong><br>Odpove\u010f: Zatia\u013e \u010do denn\u00e9 a mesa\u010dn\u00e9 kontroly sa vykon\u00e1vaj\u00fa vo vn\u00fatri podniku, podrobn\u00e1 kontrola a certifik\u00e1cia kompetentnou osobou by sa mala vykon\u00e1va\u0165 aspo\u0148&nbsp;<strong>ka\u017edoro\u010dne<\/strong>, alebo pod\u013ea miestnych bezpe\u010dnostn\u00fdch predpisov a po\u017eiadaviek pois\u0165ovn\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ot\u00e1zka: Ak\u00fd je rozdiel medzi typmi ochrany Exd (nehor\u013eav\u00fd) a Exe (zv\u00fd\u0161en\u00e1 bezpe\u010dnos\u0165) pre ventil\u00e1tory?<\/strong><br>A:&nbsp;<strong>Exd (oh\u0148ovzdorn\u00e9):<\/strong>&nbsp;Kryt dok\u00e1\u017ee odola\u0165 vn\u00fatorn\u00e9mu v\u00fdbuchu a zabr\u00e1ni\u0165 jeho vznieteniu vo vonkaj\u0161ej atmosf\u00e9re.&nbsp;<strong>Exe (Zv\u00fd\u0161en\u00e1 bezpe\u010dnos\u0165):<\/strong>&nbsp;Komponenty s\u00fa navrhnut\u00e9 tak, aby zabr\u00e1nili nadmern\u00fdm teplot\u00e1m, iskr\u00e1m alebo obl\u00fakom za norm\u00e1lnych alebo \u0161pecifikovan\u00fdch poruchov\u00fdch podmienok. V\u00fdber ventil\u00e1tora z\u00e1vis\u00ed od z\u00f3ny a typu po\u017eadovanej ochrany.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ot\u00e1zka: Je nehrdzavej\u00faca oce\u013e v\u017edy lep\u0161ia ako hlin\u00edk pre ventil\u00e1tory odoln\u00e9 proti v\u00fdbuchu?<\/strong><br>Odpove\u010f: Nie v\u017edy. Hlin\u00edk je \u013eah\u0161\u00ed, m\u00e1 dobr\u00fa odolnos\u0165 proti kor\u00f3zii pre mnoh\u00e9 aplik\u00e1cie a v\u00fdborne odv\u00e1dza teplo. Nerezov\u00e1 oce\u013e sa vyber\u00e1 pre vynikaj\u00facu odolnos\u0165 vo\u010di kor\u00f3zii v n\u00e1ro\u010dn\u00fdch chemick\u00fdch alebo morsk\u00fdch prostrediach, ale je \u0165a\u017e\u0161ia a drah\u0161ia. V\u00fdber z\u00e1vis\u00ed od konkr\u00e9tnych pr\u00edtomn\u00fdch koroz\u00edvnych \u010dinite\u013eov.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ot\u00e1zka: M\u00f4\u017eem na existuj\u00facom ventil\u00e1tore nahradi\u0165 \u0161tandardn\u00fd motor nev\u00fdbu\u0161n\u00fdm motorom?<\/strong><br>Odpove\u010f: Toto je&nbsp;<strong>d\u00f4razne sa neodpor\u00fa\u010da a pravdepodobne nie je v s\u00falade s predpismi.<\/strong>. Cel\u00e1 zostava (skri\u0148a, obe\u017en\u00e9 koleso, lo\u017eisk\u00e1, tesnenia hriade\u013ea, chladiace rebr\u00e1) je certifikovan\u00e1 ako kompletn\u00e1 jednotka. V\u00fdmena iba motora ru\u0161\u00ed platnos\u0165 certifik\u00e1cie a m\u00f4\u017ee sp\u00f4sobi\u0165 nebezpe\u010dn\u00e9 podmienky v d\u00f4sledku rozdielov v tepelnom mana\u017emente alebo kompatibilite materi\u00e1lov.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>V\u017edy si pre\u010d\u00edtajte \u0161pecifick\u00e9 pokyny v\u00fdrobcu, pr\u00edslu\u0161n\u00e9 n\u00e1rodn\u00e9 a medzin\u00e1rodn\u00e9 normy (<a href=\"http:\/\/www.iecex-certs.com\/\" rel=\"nofollow noopener\" target=\"_blank\">ATEX, IECEx, NEC<\/a>) a miestnych bezpe\u010dnostn\u00fdch predpisov pre v\u00fdber, in\u0161tal\u00e1ciu a \u00fadr\u017ebu nev\u00fdbu\u0161n\u00fdch zariaden\u00ed. Bezpe\u010dnos\u0165 v nebezpe\u010dn\u00fdch oblastiach je prvorad\u00e1.<\/em><\/p>","protected":false},"excerpt":{"rendered":"<p>Guide to Explosion Proof Fans: Selection, Application &amp; Safety Standards Explosion proof fans When the fan is conveying flammable and explosive gases and dusts, static electricity and sparks are extremely dangerous factors, which may cause explosions and other safety accidents if special handling measures are not taken. 1 How to confirm the explosion proof fans? [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","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-2110","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\/sk\/author\/jacklin\/"},"uagb_comment_info":0,"uagb_excerpt":"Guide to Explosion Proof Fans: Selection, Application &amp; Safety Standards Explosion proof fans When the fan is conveying flammable and explosive gases and dusts, static electricity and sparks are extremely dangerous factors, which may cause explosions and other safety accidents if special handling measures are not taken. 1 How to confirm the explosion proof fans?&hellip;","_links":{"self":[{"href":"https:\/\/led.amasly.com\/sk\/wp-json\/wp\/v2\/posts\/2110","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/led.amasly.com\/sk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/led.amasly.com\/sk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/led.amasly.com\/sk\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/led.amasly.com\/sk\/wp-json\/wp\/v2\/comments?post=2110"}],"version-history":[{"count":3,"href":"https:\/\/led.amasly.com\/sk\/wp-json\/wp\/v2\/posts\/2110\/revisions"}],"predecessor-version":[{"id":4404,"href":"https:\/\/led.amasly.com\/sk\/wp-json\/wp\/v2\/posts\/2110\/revisions\/4404"}],"wp:attachment":[{"href":"https:\/\/led.amasly.com\/sk\/wp-json\/wp\/v2\/media?parent=2110"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/led.amasly.com\/sk\/wp-json\/wp\/v2\/categories?post=2110"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/led.amasly.com\/sk\/wp-json\/wp\/v2\/tags?post=2110"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}