{"id":93669,"date":"2023-01-10T11:03:47","date_gmt":"2023-01-10T09:03:47","guid":{"rendered":"https:\/\/obera.fr\/nase-rada\/zone-atex-norme-atex-bases-protection-contre-risque-explosion\/"},"modified":"2025-05-06T08:43:30","modified_gmt":"2025-05-06T06:43:30","slug":"zone-atex-norme-atex-bases-protection-contre-risque-explosion","status":"publish","type":"post","link":"https:\/\/obera.fr\/lv\/musu-padoms\/zone-atex-norme-atex-bases-protection-contre-risque-explosion\/","title":{"rendered":"K\u0101 ATEX standarti un zonas pal\u012bdz nov\u0113rst spr\u0101dziena risku?"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\"><strong>ATEX PAMATDEFIN\u012aCIJAS<\/strong><\/h2>\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-top is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.66%\">\n<h3 class=\"wp-block-heading\">KAS IR ATEX SIMBOLS?<\/h3>\n\n\n\n<p>Nedaudz at\u0161\u0137ir\u012bgas noz\u012bmes atkar\u012bb\u0101 no las\u0101m\u0101 dokumenta:<\/p>\n\n\n\n<p><strong>ATEX<\/strong> = <strong>ATmosph\u00e8re EXplosive<\/strong> un ATEX = ATmosph\u00e8re Explosible = ATmosph\u00e8re potentiellement EXplosive.<\/p>\n\n\n\n<p>\u0160is akron\u012bms, kas atvasin\u0101ts no Eiropas direkt\u012bv\u0101m, attiecas uz atmosf\u0113ru darba zon\u0101, kur\u0101 past\u0101v<strong> spr\u0101dzienb\u012bstam\u012bba<\/strong> un kurai nepiecie\u0161ami \u012bpa\u0161i <strong>darba dro\u0161\u012bbas<\/strong> aizsardz\u012bbas standarti. ATEX var veidoties visur: ma\u0161\u012bnu vai tvert\u0146u iek\u0161pus\u0113, darba viet\u0101s, noliktav\u0101s utt. <\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Kas ir<strong>spr\u0101dzienb\u012bstama atmosf\u0113ra<\/strong>?<\/h3>\n\n\n\n<p>&#8220;Viegli <strong>uzliesmojo\u0161u vielu <\/strong>mais\u012bjums ar gaisu atmosf\u0113ras apst\u0101k\u013cos g\u0101zes, tvaiku, miglas vai putek\u013cu veid\u0101, kur\u0101 p\u0113c aizdeg\u0161an\u0101s deg\u0161ana izplat\u0101s uz visu nesadegu\u0161o mais\u012bjumu.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Kas ir<strong>spr\u0101dzienb\u012bstama atmosf\u0113ra<\/strong>?<\/h3>\n\n\n\n<p>&#8220;atmosf\u0113ra, kas var k\u013c\u016bt spr\u0101dzienb\u012bstama viet\u0113jo un ekspluat\u0101cijas apst\u0101k\u013cu d\u0113\u013c&#8221;. Atmosf\u0113ra, pat ja t\u0101 sast\u0101v no uzliesmojo\u0161\u0101m viel\u0101m, neatbilst nosac\u012bjumiem, kas to iek\u013cauj <strong>spr\u0101dzienb\u012bstam\u012bbas diapazon\u0101<\/strong>. <\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-top is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\">\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img decoding=\"async\" src=\"https:\/\/obera.fr\/wp-content\/uploads\/2023\/02\/pictogramme_atex_4.png\" alt=\"atex 4 piktogramma\" class=\"wp-image-19059\" width=\"225\" height=\"450\" srcset=\"https:\/\/obera.fr\/wp-content\/uploads\/2023\/02\/pictogramme_atex_4.png 300w, https:\/\/obera.fr\/wp-content\/uploads\/2023\/02\/pictogramme_atex_4-150x300.png 150w\" sizes=\"(max-width: 225px) 100vw, 225px\" \/><\/figure>\n<\/div>\n<\/div>\n\n<h3 class=\"wp-block-heading\">K\u0101da ir at\u0161\u0137ir\u012bba starp <strong>ATEX direkt\u012bvu un ATEX standartu?<\/strong><\/h3>\n\n<p><strong>Eiropas ATEX direkt\u012bv\u0101s<\/strong> ir noteikta uz\u0146\u0113mumu juridisk\u0101 atbild\u012bba. T\u0101s nosaka <strong>dro\u0161\u012bbas standartus<\/strong> zon\u0101s, kur\u0101s past\u0101v spr\u0101dzienb\u012bstamas vides risks. Eiropas ATEX direkt\u012bvu pielikumos ir uzskait\u012bti ar ATEX saist\u012btie visp\u0101r\u0113jie aizsardz\u012bbas pas\u0101kumi. <strong>Eiropas ATEX standartos<\/strong> ir preciz\u0113ti \u0161ie aizsardz\u012bbas un dro\u0161\u012bbas pas\u0101kumi.   <\/p>\n\n<p>ATEX Eiropas direkt\u012bvas un standarti ir izstr\u0101d\u0101ti, lai nodro\u0161in\u0101tu cilv\u0113ku, iek\u0101rtu un aizsardz\u012bbas sist\u0113mu dro\u0161\u012bbu <strong>spr\u0101dzienb\u012bstam\u0101 vid\u0113<\/strong>. ATEX direkt\u012bvas un standarti ir saisto\u0161i darba dev\u0113jiem, ra\u017eot\u0101jiem, uzst\u0101d\u012bt\u0101jiem un citiem. \u012as\u0101k sakot, jebkuram uz\u0146\u0113mumam, kas veicina person\u0101la vai iek\u0101rtu atra\u0161anos spr\u0101dzienb\u012bstamas vides zon\u0101. T\u0101s nosaka, ka <strong>spr\u0101dzienb\u012bstam\u0101s zon\u0101s <\/strong>(ATEX zon\u0101s) j\u0101veic prevent\u012bvi pas\u0101kumi un j\u0101nodro\u0161ina darbinieku aizsardz\u012bba. <strong>ATEX<\/strong> direkt\u012bv\u0101s un <strong>standartos<\/strong> ir noteiktas iek\u0101rtu, <a href=\"https:\/\/obera.fr\/conseils\/quelle-installation-daspiration-pour-mon-application\/\">instal\u0101ciju<\/a>, aizsardz\u012bbas sist\u0113mu, aizsargap\u0123\u0113rbu u. c. kategorijas atkar\u012bb\u0101 no ATEX riska zonas. T\u0101s nosaka iek\u0101rtu kategorijas atbilst\u012bbu nepiecie\u0161amajam aizsardz\u012bbas l\u012bmenim.       <\/p>\n\n<p>Iek\u0101rtu kategorija atbilst spr\u0101dzienb\u012bstamas vides zonas kategorijas riska l\u012bmenim. Standartos iz\u0161\u0137ir da\u017e\u0101dus <strong>ATEX atbilst\u012bbas<\/strong> nov\u0113rt\u0113\u0161anas proced\u016bru l\u012bme\u0146us da\u017e\u0101d\u0101m iek\u0101rtu kategorij\u0101m atkar\u012bb\u0101 no t\u0101, vai t\u0101s ir elektriskas vai neelektriskas. Atkar\u012bb\u0101 no ATEX direkt\u012bv\u0101s noteikt\u0101 pras\u012bbu l\u012bme\u0146a ATEX iek\u0101rtu atbilst\u012bbas nov\u0113rt\u0113\u0161anu ir pilnvarota veikt pazi\u0146ot\u0101 ATEX sertifik\u0101cijas iest\u0101de vai ra\u017eot\u0101js. Visbeidzot, ATEX direkt\u012bv\u0101s ir noteikts, ka darba dev\u0113jiem ir j\u0101sagatavo <strong>spr\u0101dziendro\u0161\u012bbas<\/strong> dokuments (EPD). \u0160aj\u0101 dokument\u0101 ir formaliz\u0113ti darba viet\u0101 veiktie pas\u0101kumi pret spr\u0101dziena risku.    <\/p>\n\n<h3 class=\"wp-block-heading\"><strong>K\u0101da ir at\u0161\u0137ir\u012bba starp ATEX zon\u0113jumu un ATEX zon\u0101m?<\/strong><\/h3>\n\n<p><strong>ATEX zon\u0113jums<\/strong> iedala vietas, kur var rasties spr\u0101dzienb\u012bstama vide, 3 ATEX riska zonu kategorij\u0101s (ATEX zona).<\/p>\n\n<p>ATEX zonas kategorija ir katras vietas <strong>spr\u0101dzienb\u012bstamas<\/strong> vides kl\u0101tb\u016btnes l\u012bme\u0146a nov\u0113rt\u0113juma rezult\u0101ts. <strong>ATEX zonas kategorija<\/strong> atbilst <strong>ATEX riska<\/strong> bie\u017euma l\u012bmenim. ATEX zonas kategorija ietekm\u0113 to organizatorisko un tehnisko pas\u0101kumu raksturu, kas j\u0101pie\u0146em ATEX kl\u0101tb\u016btn\u0113. ATEX standarti nosaka pas\u0101kumus, kas atkar\u012bb\u0101 no ATEX zonas kategorijas piem\u0113rojami <strong>iek\u0101rtu dro\u0161\u012bbai<\/strong> un darbinieku aizsardz\u012bbai. Jo \u012bpa\u0161i \u0161ie ATEX standarti veicina <strong>spr\u0101dzienb\u012bstamas atmosf\u0113ras likvid\u0113\u0161anu \u0161aj\u0101s zon\u0101s<\/strong>, ja ne spr\u0101dziena riska samazin\u0101\u0161anu, un, visbeidzot, cilv\u0113ku un iek\u0101rtu aizsardz\u012bbu, ja <a href=\"https:\/\/obera.fr\/conseils\/aspiration-brouillard-huile-emulsion-quel-danger-fluides-coupe\/\">spr\u0101dziena risks<\/a> zon\u0101 materializ\u0113jas. ATEX zon\u0113jums nor\u0101da<strong>ATEX iek\u0101rtu<\/strong> un ATEX aizsardz\u012bbas sist\u0113mu kategoriju, kas at\u013cauta ATEX zonas kategorij\u0101. ATEX mar\u0137\u0113jums nor\u0101da, ka iek\u0101rta ir nov\u0113rt\u0113ta un tai ir atbilsto\u0161s aizsardz\u012bbas l\u012bmenis spr\u0101dziena riskam, kas noteikts ATEX zon\u0101.      <\/p>\n\n<h2 class=\"wp-block-heading\">ATEX zonu kategorijas<\/h2>\n\n<table id=\"tablepress-180\" class=\"tablepress tablepress-id-180\">\n<thead>\n<tr class=\"row-1\">\n\t<td class=\"column-1\"><\/td><th class=\"column-2\">Atmosph\u00e8re explosive compos\u00e9e d\u2019un m\u00e9lange :<\/th><td class=\"column-3\"><\/td>\n<\/tr>\n<\/thead>\n<tbody class=\"row-striping row-hover\">\n<tr class=\"row-2\">\n\t<td class=\"column-1\">Risque d\u2019explosion ATEX<\/td><td class=\"column-2\">air -gaz \/vapeur ou brouillard inflammables<\/td><td class=\"column-3\">air - poussi\u00e8res combustibles<\/td>\n<\/tr>\n<tr class=\"row-3\">\n\t<td class=\"column-1\">Permanent<\/td><td class=\"column-2\">Zone ATEX 0<\/td><td class=\"column-3\">Zone ATEX 20<\/td>\n<\/tr>\n<tr class=\"row-4\">\n\t<td class=\"column-1\">Occasionnel<\/td><td class=\"column-2\">Zone ATEX 1<\/td><td class=\"column-3\">Zone ATEX 21<\/td>\n<\/tr>\n<tr class=\"row-5\">\n\t<td class=\"column-1\">Potentiel<\/td><td class=\"column-2\">Zone ATEX 2<\/td><td class=\"column-3\">Zone ATEX 22<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n<h2 class=\"wp-block-heading\"><br\/>ATEX zona, kur\u0101 spr\u0101dzienb\u012bstamu vidi veido uzliesmojo\u0161i putek\u013ci<\/h2>\n\n<table id=\"tablepress-181\" class=\"tablepress tablepress-id-181\">\n<thead>\n<tr class=\"row-1\">\n\t<th class=\"column-1\">Fonctionnement mat\u00e9riel ATEX<\/th><th class=\"column-2\">Pr\u00e9sence d\u2019ATEX<br \/>\n<br \/>\n<\/th><th class=\"column-3\">Lieu d\u2019ATEX<\/th><th class=\"column-4\">Cat\u00e9gorie de zone ATEX<\/th>\n<\/tr>\n<\/thead>\n<tbody class=\"row-striping row-hover\">\n<tr class=\"row-2\">\n\t<td class=\"column-1\">normal<\/td><td class=\"column-2\">permanente<br \/>\n<br \/>\nlongue dur\u00e9e<br \/>\n<br \/>\nfr\u00e9quente<\/td><td class=\"column-3\"><br \/>\nInt\u00e9rieur d\u2019installations, \u00e9quipements (d\u00e9poussi\u00e9reurs, filtres, collecteurs de poussi\u00e8res\u2026)<br \/>\n<\/td><td class=\"column-4\">Zone ATEX 20<\/td>\n<\/tr>\n<tr class=\"row-3\">\n\t<td class=\"column-1\">normal<\/td><td class=\"column-2\">occasionnelle<\/td><td class=\"column-3\">Proximit\u00e9 imm\u00e9diate de zone ATEX 20<br \/>\nPoints de remplissage \/ vidange (produits pulv\u00e9rulents)<\/td><td class=\"column-4\">Zone ATEX 21<\/td>\n<\/tr>\n<tr class=\"row-4\">\n\t<td class=\"column-1\">anormal<\/td><td class=\"column-2\">accidentelle<\/td><td class=\"column-3\">Voisinage d\u2019appareils, syst\u00e8mes de protection contenant de la poussi\u00e8re pouvant s\u2019\u00e9chapper accidentellement en nuage de poussi\u00e8res<br \/>\nCouches, d\u00e9p\u00f4ts, tas de poussi\u00e8res combustibles susceptibles de former une atmosph\u00e8re explosive (surfaces impossibles \u00e0 aspirer\u2026)<\/td><td class=\"column-4\">Zone ATEX 22<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n<h2 class=\"wp-block-heading\">ATEX zona, kur\u0101 spr\u0101dzienb\u012bstamu vidi veido uzliesmojo\u0161as g\u0101zes, tvaiki vai miglas.<\/h2>\n\n<table id=\"tablepress-182\" class=\"tablepress tablepress-id-182\">\n<thead>\n<tr class=\"row-1\">\n\t<th class=\"column-1\">Fonctionnement mat\u00e9riel ATEX<\/th><th class=\"column-2\">Pr\u00e9sence d\u2019ATEX<\/th><th class=\"column-3\">Lieu d\u2019ATEX<\/th><th class=\"column-4\">Cat\u00e9gorie de zone \u00e0 risque ATEX<\/th>\n<\/tr>\n<\/thead>\n<tbody class=\"row-striping row-hover\">\n<tr class=\"row-2\">\n\t<td class=\"column-1\">normal<\/td><td class=\"column-2\">permanente <br \/>\n<br \/>\nde longue dur\u00e9e <br \/>\n<br \/>\nfr\u00e9quente<\/td><td class=\"column-3\">Int\u00e9rieur conteneurs de gaz inflammables, liquides inflammables\/combustibles.<br \/>\ncanalisations,<br \/>\nr\u00e9servoirs,<br \/>\nr\u00e9cipients<br \/>\n<\/td><td class=\"column-4\">Zone ATEX 20<\/td>\n<\/tr>\n<tr class=\"row-3\">\n\t<td class=\"column-1\">normal<\/td><td class=\"column-2\">occasionnelle<\/td><td class=\"column-3\">Proximit\u00e9 imm\u00e9diate zone 0<br \/>\nProximit\u00e9 imm\u00e9diate des ouvertures du mat\u00e9riel :<br \/>\nouvertures d\u2019alimentation, \u00e9vents, vannes de prise d\u2019\u00e9chantillons \/de purge, ouvertures de remplissage \/vidange<br \/>\nPoints bas des installations : fosses de r\u00e9tention, caniveaux<\/td><td class=\"column-4\">Zone ATEX 21<\/td>\n<\/tr>\n<tr class=\"row-4\">\n\t<td class=\"column-1\">anormal<\/td><td class=\"column-2\">accidentelle<\/td><td class=\"column-3\">Emplacements autour des zones 0 et 1,<br \/>\nBrides, connexions, vannes et raccords (tuyauterie)<br \/>\nCuvettes de r\u00e9tention<br \/>\nProximit\u00e9 imm\u00e9diate des tubes de niveau en verre, appareils en mat\u00e9riaux fragiles, tout appareil ou \u00e9l\u00e9ment susceptible de fuites<br \/>\n<\/td><td class=\"column-4\">Zone ATEX 22<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n<h2 class=\"wp-block-heading\">NO ATEKSES VEIDO\u0160AN\u0100S C\u0112LO\u0145IEM L\u012aDZ SPR\u0100DZIENA SEK\u0100M.<\/h2>\n\n<h3 class=\"wp-block-heading\">K\u0101di ir ATEX izveides nosac\u012bjumi?<\/h3>\n\n<p><strong>Degtsp\u0113j\u012bgu vielu<\/strong> (g\u0101zu, tvaiku, putek\u013cu <strong>) kl\u0101tb\u016btne<\/strong>, sajaucoties ar atmosf\u0113ru zon\u0101, ir <strong>spr\u0101dziena riska s\u0101kums<\/strong>. Apk\u0101rt\u0113j\u0101 gaisa un dego\u0161u produktu mais\u012bjums k\u013c\u016bst par ATEX mais\u012bjumu, ja tas atbilst fizik\u0101li \u0137\u012bmiskajiem standartiem, kas saist\u012bti ar spr\u0101dziena risku. Jo viendab\u012bg\u0101ks ir gaisa\/produkta mais\u012bjums, jo<strong>spr\u0101dzienb\u012bstam\u0101ka ir atmosf\u0113ra<\/strong>. \u0160ie apst\u0101k\u013ci palielina spr\u0101dziena risku, neradot spr\u0101dzienu ATEX zon\u0101.   <\/p>\n\n<table id=\"tablepress-183\" class=\"tablepress tablepress-id-183\">\n<thead>\n<tr class=\"row-1\">\n\t<th class=\"column-1\">ATEX : mati\u00e8re inflammable:<\/th><th class=\"column-2\">Condition minimale de formation d\u2019ATEX<\/th>\n<\/tr>\n<\/thead>\n<tbody class=\"row-striping row-hover\">\n<tr class=\"row-2\">\n\t<td class=\"column-1\">gaz<\/td><td class=\"column-2\">Concentration du gaz dans l\u2019air suffisante pour que le risque d\u2019explosion du m\u00e9lange se concr\u00e9tise si une source d\u2019inflammation apparait<\/td>\n<\/tr>\n<tr class=\"row-3\">\n\t<td class=\"column-1\">vapeur \u00e9mise par un liquide<\/td><td class=\"column-2\">Temp\u00e9rature du liquide suscitant un d\u00e9gagement de vapeurs suffisant pour que la concentration de vapeurs dans l\u2019air atteigne la plage d\u2019explosibilit\u00e9<\/td>\n<\/tr>\n<tr class=\"row-4\">\n\t<td class=\"column-1\">poussi\u00e8re en nuage<\/td><td class=\"column-2\">Niveau de concentration des poussi\u00e8res en suspension dans l\u2019air suffisant pour provoquer sous conditions une explosion<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n<h3 class=\"wp-block-heading\">K\u0101di ir ATEX aizdeg\u0161an\u0101s avoti?<\/h3>\n\n<p><strong>Aizdedzes avots<\/strong> ATEX zon\u0101 ienes ener\u0123iju, kas izraisa deg\u0161anas reakciju starp apk\u0101rt\u0113jo gaisu un degvielu. \u0160is nosac\u012bjums, kas ir nepiecie\u0161ams, lai<strong>ATEX aizdegtos<\/strong>, palielina spr\u0101dzienb\u012bstam\u012bbu zon\u0101, bet pats par sevi nav pietiekams, lai izrais\u012btu spr\u0101dzienu. Piem\u0113rs: s\u0113rkoci\u0146\u0161 izraisa uzliesmojo\u0161a gaisa un but\u0101na mais\u012bjuma aizdeg\u0161anos g\u0101zes pl\u012bt\u012b, bet tas nespr\u0101gst.  <\/p>\n\n<table id=\"tablepress-184\" class=\"tablepress tablepress-id-184\">\n<thead>\n<tr class=\"row-1\">\n\t<th class=\"column-1\">Origine des sources d\u2019inflammation<\/th><th class=\"column-2\">Nature des sources d\u2019inflammation ATEX<\/th>\n<\/tr>\n<\/thead>\n<tbody class=\"row-striping row-hover\">\n<tr class=\"row-2\">\n\t<td class=\"column-1\">Electrique<\/td><td class=\"column-2\">\u00e9tincelle (arc \u00e9lectrique, courant \u00e9lectrique vagabond, \u2026<\/td>\n<\/tr>\n<tr class=\"row-3\">\n\t<td class=\"column-1\">\u00c9lectrostatique<\/td><td class=\"column-2\">\u00e9tincelle (d\u00e9charge \u00e9lectrostatique), foudre, \u2026<\/td>\n<\/tr>\n<tr class=\"row-4\">\n\t<td class=\"column-1\">M\u00e9canique<\/td><td class=\"column-2\">\u00e9tincelle (particules incandescentes), \u00e9chauffement par friction, \u2026<\/td>\n<\/tr>\n<tr class=\"row-5\">\n\t<td class=\"column-1\">Thermique<\/td><td class=\"column-2\">surfaces chaudes, flammes nues, travaux par points chauds, cigarettes, rayonnement solaire\u2026<\/td>\n<\/tr>\n<tr class=\"row-6\">\n\t<td class=\"column-1\">Chimique<\/td><td class=\"column-2\">r\u00e9actions exothermiques (auto-\u00e9chauffement, \u00e9chauffement par fermentation \u2026)<\/td>\n<\/tr>\n<tr class=\"row-7\">\n\t<td class=\"column-1\">Autres<\/td><td class=\"column-2\">rayonnement ionisant, ondes \u00e9lectromagn\u00e9tiques, ultrasons, \u2026<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n<p>Zona ir apr\u012bkota ar da\u017e\u0101d\u0101m iek\u0101rt\u0101m, kas rada <strong>ATEX aizdeg\u0161an\u0101s avotus<\/strong>. ATEX atbilst\u012bbas apstiprin\u0101\u0161anai atkar\u012bb\u0101 no apr\u012bkojam\u0101s ATEX zonas kategorijas <a href=\"https:\/\/a2s-atex.com\/fr\/content\/11-les-directives-europeennes-atex\">Eiropas ATEX noteikumi<\/a> iz\u0161\u0137ir 2 iek\u0101rtu kategorijas (elektroiek\u0101rtas un neelektrisk\u0101s iek\u0101rtas). <\/p>\n\n<h3 class=\"wp-block-heading\">K\u0101di ir spr\u0101dziena nosac\u012bjumi ATEX zon\u0101?<\/h3>\n\n<p>ATEX spr\u0101dziens notiek, ja vienlaic\u012bgi rodas 6 apst\u0101k\u013ci.<\/p>\n\n<div class=\"wp-block-columns are-vertically-aligned-center is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.66%\">\n<p>3 elementi pietiekam\u0101 daudzum\u0101, lai <strong>aizdedzin\u0101tu ATEX<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Degmais\u012bjums<\/strong> (g\u0101ze, tvaiki, putek\u013ci)<strong>, kas<\/strong> atrodas teritorijas atmosf\u0113r\u0101<\/li>\n\n\n\n<li><strong>Degmais\u012bjums<\/strong> (sk\u0101beklis no atmosf\u0113ras), kas stimul\u0113 zonas atmosf\u0113r\u0101 eso\u0161\u0101 kurin\u0101m\u0101 sadeg\u0161anu.<\/li>\n\n\n\n<li><strong>Aizdeg\u0161an\u0101s avots<\/strong> (piem\u0113ram, elektrisk\u0101 dzirkstele), kas nodro\u0161ina pietiekamu ener\u0123iju spr\u0101dzienb\u012bstam\u0101s vides aizdeg\u0161anai.<\/li>\n<\/ol>\n\n\n\n<p>3 deg\u0161anas pa\u0101trin\u0101t\u0101ji, lai p\u0101rv\u0113rstu aizdeg\u0161anos spr\u0101dzien\u0101<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"4\">\n<li>Homog\u0113ns sk\u0101bek\u013ca mais\u012bjums &#8211; dego\u0161s produkts (g\u0101ze\/g\u0101ze\/p\u0101ri\/putek\u013ci) spr\u0101dzienb\u012bstam\u0101 vid\u0113<\/li>\n\n\n\n<li>Saska\u0146\u0101 ar ATEX degmais\u012bjuma koncentr\u0101cija ir spr\u0101dzienb\u012bstam\u0101 diapazon\u0101.<\/li>\n\n\n\n<li>Pietiekama hermetiz\u0101cija, lai ieg\u016btu <strong>pareizo spiedienu<\/strong> deg\u0161anas pa\u0101trin\u0101\u0161anai.<\/li>\n<\/ol>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\">\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img decoding=\"async\" src=\"https:\/\/obera.fr\/wp-content\/uploads\/2023\/02\/conditions-dexplosition-atex.png\" alt=\"atex darb&#x12B;bas nosac&#x12B;jumi\" class=\"wp-image-19050\" width=\"350\" height=\"300\" srcset=\"https:\/\/obera.fr\/wp-content\/uploads\/2023\/02\/conditions-dexplosition-atex.png 350w, https:\/\/obera.fr\/wp-content\/uploads\/2023\/02\/conditions-dexplosition-atex-300x257.png 300w\" sizes=\"(max-width: 350px) 100vw, 350px\" \/><\/figure>\n<\/div>\n<\/div>\n\n<h3 class=\"wp-block-heading\">K\u0101ds ir ATEX spr\u0101dziena meh\u0101nisms?<\/h3>\n\n<p>ATEX saskaras ar aizdeg\u0161an\u0101s avotu.<strong>Tiek izrais\u012bts spr\u0101dziens<\/strong>: deg\u0161anas produkti, kas atrodas ATEX, uzreiz sadeg, atbr\u012bvojot lielu ener\u0123iju. Spr\u0101dziens izpau\u017eas k\u0101<strong>p\u0113k\u0161\u0146s<\/strong> ATEX eso\u0161o<strong>g\u0101zu tilpuma, spiediena un temperat\u016bras pieaugums<\/strong>. Tas rada p\u0101rspiediena vilni, kas izplat\u0101s ar \u0101trumu no 2 l\u012bdz 10 km\/s (spr\u0101dziena efekts), liesmas un siltuma izdal\u012b\u0161anos. Da\u013ca spr\u0101dziena vi\u013c\u0146a ener\u0123ijas sadrag\u0101 kontakta virsmu vai apvalku, kur\u0101 bija nosl\u0113gta spr\u0101dzienb\u012bstam\u0101 atmosf\u0113ra, p\u0113c tam izmet sadrag\u0101t\u0101 materi\u0101la fragmentus.    <\/p>\n\n<p>P\u0113c tam<strong>spr\u0101dziena vilnis<\/strong> virz\u0101s pa koncentrisk\u0101m zon\u0101m ar virsska\u0146as \u0101trumu; tad tas pak\u0101peniski samazin\u0101s divos posmos: p\u0101rspiediena laiks (1-5 milisekundes) un <strong>depresijas<\/strong> (ies\u016bk\u0161an\u0101s <strong>) laiks,<\/strong> l\u012bdz tas atgrie\u017eas <strong>norm\u0101l\u0101 atmosf\u0113ras spiedien\u0101<\/strong> (5-25 ms). Spr\u0101dziena vilnis samazin\u0101s l\u012bdz ar att\u0101lumu un atmosf\u0113ras nosl\u0113gt\u012bbas l\u012bmeni darba zon\u0101. Samazin\u0101jums ir: \u013coti neliels, ja spr\u0101dziena vilnis izplat\u0101s pa vienu asi (savienojuma kan\u0101ls starp iek\u0101rt\u0101m u. c.), strauj\u0101ks, ja izplat\u0101s divdimensiju telp\u0101 (telpas u. c.), \u013coti strauj\u0161 atkl\u0101t\u0101 vid\u0113 (iek\u0101rtas \u0101rpus telp\u0101m u. c.). Aizsardz\u012bbas sist\u0113mas ierobe\u017eo spr\u0101dzienu da\u017e\u0101dos veidos: ventil\u0101cija, atdal\u012b\u0161anas sist\u0113mas utt.   <\/p>\n\n<h3 class=\"wp-block-heading\">K\u0101di ir riski, kas saist\u012bti ar ATEX spr\u0101dzieniem?<\/h3>\n\n<h4 class=\"wp-block-heading\">ATEX spr\u0101dzienb\u012bstam\u012bba darba \u0146\u0113m\u0113ju dro\u0161\u012bbai.<\/h4>\n\n<p>ATEX spr\u0101dziena gad\u012bjum\u0101 darba \u0146\u0113m\u0113jiem rad\u012btais risks ir pamat\u0101 noteikumiem par vi\u0146u aizsardz\u012bbu un dro\u0161\u012bbu. <strong>Traumu risks<\/strong> at\u0161\u0137iras atkar\u012bb\u0101 no zonas, kur\u0101 darbinieks ir pak\u013cauts spr\u0101dziena riskam. <\/p>\n\n<h4 class=\"wp-block-heading\">Spr\u0101dziena rad\u012bto traumu risks :<\/h4>\n\n<ul class=\"wp-block-list\">\n<li>risks, ko rada<strong>spr\u0101dziena vi\u013c\u0146a<\/strong> trieciens tuk\u0161\u0101m vai ar g\u0101zi pild\u012bt\u0101m \u0137erme\u0146a da\u013c\u0101m.<\/li>\n\n\n\n<li>riski, kas saist\u012bti ar spr\u0101gu\u0161as iek\u0101rtas vai apr\u012bkojuma<strong>sagaid\u0101mo fragmentu ietekmi<\/strong>,<\/li>\n\n\n\n<li>risks, ka darbinieku var izmest spr\u0101dziena vilnis.<\/li>\n<\/ul>\n\n<h4 class=\"wp-block-heading\">Traumu risks, kas saist\u012bts ar ATEX spr\u0101dziena ietekmi uz iek\u0101rt\u0101m, apr\u012bkojumu, materi\u0101liem u. c. :<\/h4>\n\n<ul class=\"wp-block-list\">\n<li><strong>apdegumu, saspie\u0161anas, toksisku vielu ieelpo\u0161anas risks<\/strong>; spr\u0101dziena izrais\u012btas izn\u012bcin\u0101\u0161anas un aizdeg\u0161an\u0101s sekas.<\/li>\n\n\n\n<li>risks <strong>im\u016bnsist\u0113mai un nervu <\/strong>sist\u0113mai, absorb\u0113jot toksiskas vielas.<\/li>\n<\/ul>\n\n<h4 class=\"wp-block-heading\">ATEX spr\u0101dzienb\u012bstam\u012bba iek\u0101rt\u0101m.<\/h4>\n\n<p>Spr\u0101dziena vilnis un atmosf\u0113ras aizdeg\u0161an\u0101s rada ietekmi uz iek\u0101rt\u0101m. Spr\u0101dziens var <strong>izrais\u012bt avota ier\u012bces fragment\u0101ciju<\/strong>, kr\u0101tera veido\u0161anos spr\u0101dziena epicentr\u0101, materi\u0101la fragmentu izme\u0161anu uz iek\u0101rtu vai infrastrukt\u016bru, aizdegu\u0161os materi\u0101lu izme\u0161anu, kas ir turpm\u0101ku aizdeg\u0161anos vai spr\u0101dzienu avoti (domino efekts) utt. <\/p>\n\n<p>Kad ar ATEX spr\u0101dzienu saist\u012btie riski ir nov\u0113rt\u0113ti, darba dev\u0113jam j\u0101veic da\u017e\u0101di pas\u0101kumi, <strong>lai nodro\u0161in\u0101tu<\/strong> darbinieku un iek\u0101rtu <strong>dro\u0161\u012bbu<\/strong> un aizsardz\u012bbu: DRPCE, <strong>aizsargsist\u0113mas un ap\u0123\u0113rbs<\/strong>, ATEX apr\u012bkojums utt.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u0160is akron\u012bms, kas atvasin\u0101ts no Eiropas direkt\u012bv\u0101m, attiecas uz atmosf\u0113ru darba zon\u0101, kur\u0101 past\u0101v spr\u0101dzienb\u012bstam\u012bba un kurai nepiecie\u0161ami \u012bpa\u0161i darba dro\u0161\u012bbas aizsardz\u012bbas standarti. ATEX var veidoties visur: ma\u0161\u012bnu vai tvert\u0146u iek\u0161pus\u0113, darba viet\u0101s, noliktav\u0101s utt. <\/p>\n","protected":false},"author":4,"featured_media":93620,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_robots_primary_cat":"none","_seopress_titles_title":"K\u0101 ATEX standarti pal\u012bdz nov\u0113rst spr\u0101dzienus?","_seopress_titles_desc":"\u0160aj\u0101 rakst\u0101 atrad\u012bsiet visu pamatinform\u0101ciju, kas jums j\u0101zina, ja str\u0101d\u0101jat ATEX zon\u0101, kur past\u0101v spr\u0101dziena risks.","_seopress_robots_index":"","footnotes":""},"categories":[132],"tags":[133],"class_list":["post-93669","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-musu-padoms","tag-entete-maza","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\/lv\/wp-json\/wp\/v2\/posts\/93669","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/obera.fr\/lv\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/obera.fr\/lv\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/obera.fr\/lv\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/obera.fr\/lv\/wp-json\/wp\/v2\/comments?post=93669"}],"version-history":[{"count":1,"href":"https:\/\/obera.fr\/lv\/wp-json\/wp\/v2\/posts\/93669\/revisions"}],"predecessor-version":[{"id":93677,"href":"https:\/\/obera.fr\/lv\/wp-json\/wp\/v2\/posts\/93669\/revisions\/93677"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/obera.fr\/lv\/wp-json\/wp\/v2\/media\/93620"}],"wp:attachment":[{"href":"https:\/\/obera.fr\/lv\/wp-json\/wp\/v2\/media?parent=93669"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/obera.fr\/lv\/wp-json\/wp\/v2\/categories?post=93669"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/obera.fr\/lv\/wp-json\/wp\/v2\/tags?post=93669"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}