{"id":4284,"date":"2023-04-23T20:40:31","date_gmt":"2023-04-23T12:40:31","guid":{"rendered":"http:\/\/www.dcl-controls.com\/?p=4284"},"modified":"2025-03-31T09:27:20","modified_gmt":"2025-03-31T09:27:20","slug":"why-explosion-proof-actuator","status":"publish","type":"post","link":"https:\/\/dclactuator.com\/lv_lv\/atbalsts\/izpildmehanisms\/kapec-spradziendross-izpildmehanisms","title":{"rendered":"K\u0101p\u0113c da\u017eiem izpildmeh\u0101nismiem ir nepiecie\u0161ama spr\u0101dziena aizsardz\u012bba?"},"content":{"rendered":"
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\u00a0<\/p>

1. Kas ir spr\u0101dziens?<\/strong><\/h2>

Spr\u0101dziens notiek, kad viegli uzliesmojo\u0161as vielas sajaucas ar sk\u0101bekli<\/strong> un noteiktos apst\u0101k\u013cos aizdegties. Ja reakcijas \u0101trums p\u0101rsniedz ska\u0146as \u0101trumu<\/strong>, tas rada a destrukt\u012bvs spr\u0101dziena vilnis<\/strong>.<\/p>

2. Kas ir spr\u0101dzienaizsardz\u012bba?<\/strong><\/h2>

Uz nov\u0113rstu spr\u0101dzienus<\/strong>, ir j\u0101kontrol\u0113 vismaz viens no trim galvenajiem faktoriem:<\/p>

  1. Viegli uzliesmojo\u0161as vielas<\/strong><\/p><\/li>

  2. Sk\u0101beklis<\/strong><\/p><\/li>

  3. Aizdeg\u0161an\u0101s avots<\/strong><\/p><\/li><\/ol>

    Kop\u0161 viegli uzliesmojo\u0161as vielas un sk\u0101beklis bie\u017ei vien ir neizb\u0113gami<\/strong> r\u016bpniecisk\u0101 vid\u0113, aizdeg\u0161an\u0101s avots ir j\u0101kontrol\u0113<\/strong>.<\/p>

    Elektrisk\u0101s iek\u0101rtas ir potenci\u0101ls aizdeg\u0161an\u0101s avots<\/strong> d\u0113\u013c:
    \u2714 Virsmas uzsil\u0161ana darb\u012bbas laik\u0101<\/strong>
    \u2714 Elektrostatisk\u0101 izl\u0101de<\/strong>
    \u2714 Elektrisk\u0101s str\u0101vas dzirksteles<\/strong><\/p>

    Spr\u0101dziendro\u0161as elektrisk\u0101s iek\u0101rtas ir izstr\u0101d\u0101ts, lai nov\u0113rstu p\u0101rm\u0113r\u012bgu virsmas temperat\u016bru un elektrisk\u0101s dzirksteles<\/strong>, nodro\u0161inot, ka tas nek\u013c\u016bst par aizdeg\u0161an\u0101s avotu<\/strong>.<\/p>

    <\/p>

    3. B\u012bstamo vidi klasifik\u0101cija<\/strong><\/h2>

    Spr\u0101dziendro\u0161as elektroiek\u0101rtas iedala div\u0101s kategorij\u0101s:<\/p>

    • I kategorija<\/strong>Apr\u012bkojums priek\u0161 og\u013cu raktuves<\/strong><\/p><\/li>

    • II kategorija<\/strong>Apr\u012bkojums priek\u0161 citas spr\u0101dzienb\u012bstamas g\u0101zes vides<\/strong><\/p><\/li><\/ul>

      II kategorijas apr\u012bkojums<\/strong><\/h3>

      1. Spr\u0101dzienb\u012bstam\u012bbas grupas (pamatojoties uz dro\u0161\u012bbas spraugu un aizdeg\u0161an\u0101s str\u0101vu)<\/strong><\/p>

        • IIA<\/strong><\/p><\/li>

        • IIB<\/strong> (var izmantot IIA apst\u0101k\u013cos)<\/p><\/li>

        • IIC<\/strong> (var izmantot IIA un IIB apst\u0101k\u013cos)<\/p><\/li><\/ul><\/li>

        • Temperat\u016bras grupas (pamatojoties uz maksim\u0101lo virsmas temperat\u016bru)<\/strong><\/p>

          • T1 (450\u00b0C)<\/strong><\/p><\/li>

          • T2 (300\u00b0C)<\/strong><\/p><\/li>

          • T3 (200\u00b0C)<\/strong><\/p><\/li>

          • T4 (135\u00b0C)<\/strong><\/p><\/li>

          • T5 (100\u00b0C)<\/strong><\/p><\/li>

          • T6 (85\u00b0C)<\/strong><\/p><\/li><\/ul><\/li><\/ol>

            Vair\u0101k nek\u0101 90% spr\u0101dzienb\u012bstamas g\u0101zes<\/strong> iekrist IIA, IIB grupas<\/strong> un T1\u2013T4 temperat\u016bras klasifik\u0101cijas<\/strong>.<\/p>

            <\/p>

            4. K\u0101 tiek pan\u0101kta aizsardz\u012bba pret spr\u0101dzieniem?<\/strong><\/h2>

            Vair\u0101kas metodes nodro\u0161ina, ka elektrisk\u0101s iek\u0101rtas ir dro\u0161s spr\u0101dzienb\u012bstam\u0101m vid\u0113m<\/strong>, k\u0101 defin\u0113ts ar GB3836, IEC60079, EN50014<\/strong> standarti.<\/p>

            <\/p>

            Spr\u0101dziendro\u0161s (Exd) dizains<\/strong><\/h3>

            DCL spr\u0101dziendro\u0161ie izpildmeh\u0101nismi tiek ra\u017eoti saska\u0146\u0101 ar:
            \u2714 GB3836.1-2010, GB3836.2-2010<\/strong>
            \u2714 IEC 60079-0, IEC 60079-1, IEC 60079-31<\/strong>
            \u2714 ISO\/IEC 80079-36, ISO\/IEC 80079-37<\/strong><\/p>

            Ugunsdro\u0161as (Exd) konstrukcijas principi<\/strong><\/h4>

            <\/p>

            \u2714 Ier\u012bces iek\u0161pus\u0113 var notikt spr\u0101dziens<\/strong>, bet korpuss ne\u013cauj tam aizdegties no \u0101r\u0113j\u0101s vides.
            \u2714 Ugunsdro\u0161i savienojumi<\/strong> ir izstr\u0101d\u0101ti ar pareizu atstarpe un garums<\/strong> lai ierobe\u017eotu iek\u0161\u0113jos spr\u0101dzienus.
            \u2714 Sp\u0113c\u012bgi korpusi<\/strong> iztur\u0113t augsts iek\u0161\u0113jais spiediens<\/strong> nesalau\u017eot.<\/p>

            DCL spr\u0101dziendro\u0161i komponenti<\/strong><\/h3>

            \u2714 Motora nodal\u012bjums<\/strong>
            \u2714 Elektrisko komponentu nodal\u012bjums<\/strong>
            \u2714 Elektroinstal\u0101cijas nodal\u012bjums<\/strong><\/p>

            5. DCL spr\u0101dziendro\u0161u izpildmeh\u0101nismu sertifik\u0101cija<\/strong><\/h2>

            Spr\u0101dzienaizsardz\u012bbas l\u012bmenis: Exd IIC T4 Gb<\/strong><\/h3>

            \u2714 Biju\u0161ais<\/strong> \u2013 Spr\u0101dziendro\u0161s mar\u0137\u0113jums
            \u2714 d<\/strong> \u2013 Ugunsdro\u0161s tips (\u201cExd\u201d)
            \u2714 II.<\/strong> \u2013 Neieguves lietojumprogrammas
            \u2714 C<\/strong> \u2013 Spr\u0101dzienb\u012bstam\u012bbas grupa (augst\u0101kas dro\u0161\u012bbas pras\u012bbas)
            \u2714 T4<\/strong> \u2013 Maksim\u0101l\u0101 virsmas temperat\u016bra 135\u00b0C<\/strong>
            \u2714 Gb<\/strong> \u2013 Iek\u0101rtu aizsardz\u012bbas l\u012bmenis<\/p>

            Secin\u0101jums<\/strong><\/h3>

            Spr\u0101dziendro\u0161i izpildmeh\u0101nismi ir b\u016btiski b\u012bstam\u0101s vid\u0113s<\/strong> lai nov\u0113rstu spr\u0101dzienb\u012bstamu g\u0101zu aizdeg\u0161an\u0101s<\/strong>DCL Exd IIC T4 Gb kategorijas izpildmeh\u0101nismi<\/strong> nodro\u0161in\u0101t dro\u0161\u012bbu, veicot \u0161\u0101das darb\u012bbas:
            \u2714 Iek\u0161\u0113jo spr\u0101dzienu ierobe\u017eo\u0161ana<\/strong>
            \u2714 Dzirkste\u013cu un p\u0101rm\u0113r\u012bga karstuma nov\u0113r\u0161ana<\/strong>
            \u2714 Iztur augstu spiedienu bez pl\u012bsumiem<\/strong><\/p>

            \u0160ie projekt\u0113\u0161anas pas\u0101kumi nodro\u0161ina DCL izpildmeh\u0101nismi ir uzticami un dro\u0161i<\/strong> priek\u0161 r\u016bpnieciskiem lietojumiem spr\u0101dzienb\u012bstam\u0101 vid\u0113<\/strong>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"

            \u00a0 1. Kas ir spr\u0101dziens? Spr\u0101dziens notiek, kad viegli uzliesmojo\u0161as vielas sajaucas ar sk\u0101bekli un noteiktos apst\u0101k\u013cos aizdegas. Ja reakcijas \u0101trums p\u0101rsniedz ska\u0146as \u0101trumu, tas rada destrukt\u012bvu spr\u0101dziena vilni. 2. Kas ir spr\u0101dziena aizsardz\u012bba? Lai nov\u0113rstu spr\u0101dzienus, ir j\u0101kontrol\u0113 vismaz viens no trim galvenajiem faktoriem: [\u2026]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"elementor_theme","format":"standard","meta":{"_acf_changed":true,"footnotes":""},"categories":[91],"tags":[53,66,39],"class_list":["post-4284","post","type-post","status-publish","format-standard","hentry","category-an-actuator","tag-actuator","tag-explosion-proof-actuator","tag-faq"],"acf":[],"_links":{"self":[{"href":"https:\/\/dclactuator.com\/lv_lv\/wp-json\/wp\/v2\/posts\/4284","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dclactuator.com\/lv_lv\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dclactuator.com\/lv_lv\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dclactuator.com\/lv_lv\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/dclactuator.com\/lv_lv\/wp-json\/wp\/v2\/comments?post=4284"}],"version-history":[{"count":0,"href":"https:\/\/dclactuator.com\/lv_lv\/wp-json\/wp\/v2\/posts\/4284\/revisions"}],"wp:attachment":[{"href":"https:\/\/dclactuator.com\/lv_lv\/wp-json\/wp\/v2\/media?parent=4284"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dclactuator.com\/lv_lv\/wp-json\/wp\/v2\/categories?post=4284"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dclactuator.com\/lv_lv\/wp-json\/wp\/v2\/tags?post=4284"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}