{"id":93280,"date":"2023-03-10T16:17:42","date_gmt":"2023-03-10T14:17:42","guid":{"rendered":"https:\/\/obera.fr\/nase-rada\/comment-mesurer-les-domaines-dexplosibilite-et-dexplosivite\/"},"modified":"2025-05-05T14:23:23","modified_gmt":"2025-05-05T12:23:23","slug":"comment-mesurer-les-domaines-dexplosibilite-et-dexplosivite","status":"publish","type":"post","link":"https:\/\/obera.fr\/lv\/musu-padoms\/comment-mesurer-les-domaines-dexplosibilite-et-dexplosivite\/","title":{"rendered":"K\u0101 izm\u0113r\u012bt spr\u0101gstvielu diapazonus?"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">K\u0101 nov\u0113rt\u0113t spr\u0101dzienb\u012bstam\u0101 diapazona amplit\u016bdu?<\/h2>\n\n<p><strong>Zem\u0101k\u0101 spr\u0101dzienb\u012bstam\u012bbas robe\u017ea (LEL)<\/strong> un <strong>aug\u0161\u0113j\u0101 spr\u0101dzienb\u012bstam\u012bbas robe\u017ea (UEL)<\/strong> ir spr\u0101dzienb\u012bstam\u012bbas diapazona \u0101r\u0113j\u0101s robe\u017eas. T\u0101s izsaka spr\u0101dzienb\u012bstam\u012bbas diapazona robe\u017eas: UEL &#8211; UEL. <\/p>\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img decoding=\"async\" src=\"https:\/\/obera.fr\/wp-content\/uploads\/2023\/03\/domaines-explosivite-et-explosibilite.png\" alt=\"spr&#x101;dzienb&#x12B;stam&#x12B;ba un spr&#x101;dzienb&#x12B;stam&#x12B;ba\" class=\"wp-image-19295\" width=\"975\" height=\"150\" srcset=\"https:\/\/obera.fr\/wp-content\/uploads\/2023\/03\/domaines-explosivite-et-explosibilite.png 1300w, https:\/\/obera.fr\/wp-content\/uploads\/2023\/03\/domaines-explosivite-et-explosibilite-300x46.png 300w, https:\/\/obera.fr\/wp-content\/uploads\/2023\/03\/domaines-explosivite-et-explosibilite-1024x158.png 1024w, https:\/\/obera.fr\/wp-content\/uploads\/2023\/03\/domaines-explosivite-et-explosibilite-768x118.png 768w\" sizes=\"(max-width: 975px) 100vw, 975px\" \/><\/figure>\n\n<p><strong>Nav spr\u0101dzienu<\/strong> pie :<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>apak\u0161\u0113j\u0101 spr\u0101dzienb\u012bstam\u012bbas robe\u017ea<\/strong><strong>(<\/strong> <strong>LEL)<\/strong> un visas koncentr\u0101cijas zem \u0161\u012bs robe\u017eas. Degviela ir <strong><em>apak\u0161\u0113j\u0101 <u>spr\u0101dzienb\u012bstam\u012bbas<\/u> diapazon\u0101<\/em><\/strong>. <\/li>\n<\/ul>\n\n<p><strong>Atmosf\u0113r\u0101 ir p\u0101r\u0101k maz degvielas<\/strong>. Iek\u0161dedzes dzin\u0113js aizdegas. Citiem v\u0101rdiem sakot: degmais\u012bjuma daudzums ir nepietiekams, lai izrais\u012btu g\u0101zes mais\u012bjuma sadeg\u0161anu, izmantojot aizdedzes avotu.  <\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>aug\u0161\u0113jo spr\u0101dzienb\u012bstam\u012bbas robe\u017eu <\/strong><strong>(<\/strong> <strong>UEL) <\/strong> un visas koncentr\u0101cijas virs \u0161\u012bs robe\u017eas: <strong><em>aug\u0161\u0113jais <u>spr\u0101dzienb\u012bstam\u012bbas<\/u> diapazons<\/em><\/strong>.<\/li>\n<\/ul>\n\n<p>Atmosf\u0113ra ir p\u0101r\u0101k bag\u0101ta ar degvielu. Iek\u0161dedzes dzin\u0113js nosl\u012bkst. T\u0101tad degmais\u012bjuma daudzums ir p\u0101r\u0101k liels attiec\u012bb\u0101 pret sk\u0101bek\u013ca daudzumu, lai uzs\u0101ktu g\u0101zes mais\u012bjuma sadeg\u0161anu.  <\/p>\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>LEL <\/strong>un <strong>UEL<\/strong>: viegli uzliesmojo\u0161a produkta <strong>nespr\u0101gsto\u0161\u0101s<\/strong> koncentr\u0101cijas, kas attiec\u012bgi veido <strong>spr\u0101dzienb\u012bstam\u012bbas diapazona<\/strong> apak\u0161\u0113jo \u0101r\u0113jo robe\u017eu un aug\u0161\u0113jo \u0101r\u0113jo robe\u017eu.<\/p>\n<cite><strong>LEL &lt; Spr\u0101gstvielu koncentr\u0101cija &lt; LSE<\/strong><\/cite><\/blockquote>\n\n<h2 class=\"wp-block-heading\">K\u0101 tiek m\u0113r\u012bts spr\u0101dzienb\u012bstamas vielas daudzums ATEX?<\/h2>\n\n<p>Pirmk\u0101rt, vielas fizik\u0101lais st\u0101voklis nosaka m\u0113rvien\u012bbu. Otrk\u0101rt, koncentr\u0101cijas v\u0113rt\u012bbas m\u0113ra laboratorij\u0101 standarta apst\u0101k\u013cos, t. i., 25 \u00b0C temperat\u016br\u0101 un 1 b\u0101ra atmosf\u0113ras spiedien\u0101. <\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>Uzliesmojo\u0161\u0101m g\u0101z\u0113m un tvaikiem<\/strong>: koncentr\u0101ciju izsaka procentos no uzliesmojo\u0161\u0101 produkta tilpuma ATEX tilpum\u0101 (%).<\/li>\n<\/ul>\n\n<p>Piem\u0113rs: \u016bde\u0146radis. LEL: 4%. UEL: 75%.  <\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>Degtsp\u0113j\u012bgiem putek\u013ciem<\/strong>: koncentr\u0101ciju izsaka k\u0101 degtsp\u0113j\u012bga produkta masu ATEX tilpum\u0101 <sup>(g\/m3<\/sup>).  <\/li>\n<\/ul>\n\n<p>T\u0101 viet\u0101 tiek m\u0113r\u012bta spr\u0101gstvielu diapazona apak\u0161\u0113j\u0101 robe\u017ea, kas paz\u012bstama k\u0101 minim\u0101l\u0101 spr\u0101gstvielu koncentr\u0101cija.<\/p>\n\n<p>Piem\u0113rs cukura putek\u013ci: LEL = CME: <sup>25 g\/m3<\/sup>.<\/p>\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img decoding=\"async\" src=\"https:\/\/obera.fr\/wp-content\/uploads\/2023\/03\/domaines-explosivite-et-explosibilite-2.png\" alt=\"spr&#x101;dzienb&#x12B;stam&#x12B;ba un spr&#x101;dzienb&#x12B;stam&#x12B;ba 2\" class=\"wp-image-19298\" width=\"975\" height=\"150\" srcset=\"https:\/\/obera.fr\/wp-content\/uploads\/2023\/03\/domaines-explosivite-et-explosibilite-2.png 1300w, https:\/\/obera.fr\/wp-content\/uploads\/2023\/03\/domaines-explosivite-et-explosibilite-2-300x46.png 300w, https:\/\/obera.fr\/wp-content\/uploads\/2023\/03\/domaines-explosivite-et-explosibilite-2-1024x158.png 1024w, https:\/\/obera.fr\/wp-content\/uploads\/2023\/03\/domaines-explosivite-et-explosibilite-2-768x118.png 768w\" sizes=\"(max-width: 975px) 100vw, 975px\" \/><\/figure>\n\n<p>Konkr\u0113ta spr\u0101gstvielas diapazona v\u0113rt\u012bba, <strong>stehiometrisk\u0101 koncentr\u0101cija<\/strong> <sub>(Cst),<\/sub> ir t\u0101s optim\u0101l\u0101 koncentr\u0101cija attiec\u012bb\u0101 pret oksid\u0113t\u0101ja (sk\u0101bek\u013ca) koncentr\u0101ciju, kas \u013cauj abiem rea\u0123entiem piln\u012bb\u0101 sadegt. Pie \u0161\u012bs koncentr\u0101cijas ATEX ir visspr\u0101dzienb\u012bstam\u0101k\u0101. <\/p>\n\n<h2 class=\"wp-block-heading\">Spr\u0101dzienb\u012bstam\u012bbas diapazons un sk\u0101bek\u013ca koncentr\u0101cija<\/h2>\n\n<p><strong> ATEX veido\u0161anos <\/strong>nosaka atbilsto\u0161a <strong>degvielas un oksid\u0113t\u0101ja <\/strong>(sk\u0101bek\u013ca <strong>) attiec\u012bgo koncentr\u0101ciju <\/strong> kombin\u0101cija. Tom\u0113r, <a href=\"https:\/\/obera.fr\/lv\/musu-padoms\/mon-produit-peut-il-etre-responsable-dune-explosion-atex\/\">nosakot ATEX risku<\/a>, darba dev\u0113js priek\u0161roku dod degvielas koncentr\u0101cijai. Tas ir t\u0101p\u0113c, ka spr\u0101dzienb\u012bstam\u012bbas zonas sasnieg\u0161ana parasti ir atkar\u012bga no ekspluat\u0101cijas apst\u0101k\u013ciem. \u0160aj\u0101 zi\u0146\u0101 tas ir vair\u0101k rakstur\u012bgs ATEX veido\u0161an\u0101s riskam nek\u0101 sk\u0101bek\u013ca koncentr\u0101cija. Tas ir t\u0101p\u0113c, ka liel\u0101k\u0101 da\u013ca ekspluat\u0101cijas procesu notiek<strong> apk\u0101rt\u0113j\u0101 vid\u0113<\/strong>, kur sk\u0101beklis ir oksid\u0113t\u0101js past\u0101v\u012bg\u0101 21 % koncentr\u0101cij\u0101.    <\/p>\n\n<p>Tom\u0113r<strong> prec\u012bzas zin\u0101\u0161anas par sk\u0101bek\u013ca koncentr\u0101ciju<\/strong> ir noder\u012bgas noteikt\u0101s r\u016bpniecisk\u0101s situ\u0101cij\u0101s. Piem\u0113ram, ja darb\u012bb\u0101 tiek izmantoti vair\u0101ki oksid\u0113jo\u0161i \u0161\u0137\u012bdin\u0101t\u0101ji, izdalot tvaikus un sajaucoties ar gaisu. Vai ar\u012b, ja proces\u0101 tiek izmantota<strong> augsta spr\u0101dzienb\u012bstamu vielu koncentr\u0101cija<\/strong> iek\u0101rt\u0101s, kur\u0101s sk\u0101bek\u013ca ir maz vai t\u0101 nav visp\u0101r.  <\/p>\n\n<h2 class=\"wp-block-heading\">Spr\u0101dzienb\u012bstam\u0101 diapazona amplit\u016bdas izmai\u0146as r\u016bpniecisk\u0101s situ\u0101cij\u0101s<\/h2>\n\n<p><strong>Spr\u0101dzienb\u012bstam\u012bbas diapazonu <\/strong>m\u0113ra standarta temperat\u016bras un spiediena apst\u0101k\u013cos, jo \u0161o parametru d\u0113\u013c tas main\u0101s. \u0160ie laboratorijas apst\u0101k\u013ci reti atbilst ekspluat\u0101cijas apst\u0101k\u013ciem.<strong> Temperat\u016brai paaugstinoties, spr\u0101dzienb\u012bstam\u012bbas diapazons papla\u0161in\u0101s<\/strong>. T\u0101p\u0113c risks palielin\u0101s, ja darb\u012bbas tiek veiktas <strong>temperat\u016br\u0101, kas ir augst\u0101ka<\/strong> par standarta temperat\u016bru. L\u012bdz\u012bgi, ja spiediens pazemin\u0101s zem atmosf\u0113ras spiediena, spr\u0101dzienb\u012bstam\u012bbas diapazons samazin\u0101s, l\u012bdz tas izz\u016bd. Da\u017e\u0101s vakuuma oper\u0101cij\u0101s \u0161o \u012bpa\u0161\u012bbu izmanto, lai nov\u0113rstu spr\u0101dziena risku. <strong>Spr\u0101dzienb\u012bstam\u012bbas diapazonu <\/strong> ietekm\u0113 ar\u012b citi faktori: vielas granulometrija (putek\u013ciem), mitrums utt.      <\/p>\n","protected":false},"excerpt":{"rendered":"<p>Uzziniet, k\u0101 izm\u0113r\u012bt spr\u0101dzienb\u012bstam\u012bbas un spr\u0101dzienb\u012bstam\u012bbas diapazonus, \u0146emot v\u0113r\u0101 da\u017e\u0101dus parametrus, piem\u0113ram, spr\u0101dzienb\u012bstam\u012bbas diapazona amplit\u016bdu un t\u0101s att\u012bst\u012bbu, spr\u0101dzienb\u012bstam\u0101s vielas daudzumu, k\u0101 ar\u012b spr\u0101dzienb\u012bstam\u012bbas diapazona saist\u012bbu ar sk\u0101bek\u013ca koncentr\u0101ciju r\u016bpniec\u012bb\u0101.<\/p>\n","protected":false},"author":4,"featured_media":93209,"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 izm\u0113r\u012bt spr\u0101gstvielu diapazonus?","_seopress_titles_desc":"\u0160aj\u0101 rakst\u0101 uzziniet vair\u0101k par da\u017e\u0101diem parametriem, kas saist\u012bti ar spr\u0101dzienb\u012bstamas un spr\u0101dzienb\u012bstamas vides m\u0113r\u012bjumiem ATEX zon\u0101s r\u016bpniec\u012bb\u0101.","_seopress_robots_index":"","footnotes":""},"categories":[132],"tags":[133],"class_list":["post-93280","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\/93280","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=93280"}],"version-history":[{"count":1,"href":"https:\/\/obera.fr\/lv\/wp-json\/wp\/v2\/posts\/93280\/revisions"}],"predecessor-version":[{"id":93282,"href":"https:\/\/obera.fr\/lv\/wp-json\/wp\/v2\/posts\/93280\/revisions\/93282"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/obera.fr\/lv\/wp-json\/wp\/v2\/media\/93209"}],"wp:attachment":[{"href":"https:\/\/obera.fr\/lv\/wp-json\/wp\/v2\/media?parent=93280"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/obera.fr\/lv\/wp-json\/wp\/v2\/categories?post=93280"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/obera.fr\/lv\/wp-json\/wp\/v2\/tags?post=93280"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}