{"id":2147,"date":"2025-03-02T16:05:53","date_gmt":"2025-03-02T08:05:53","guid":{"rendered":"https:\/\/led.amasly.com\/?p=2147"},"modified":"2025-03-06T23:07:12","modified_gmt":"2025-03-06T15:07:12","slug":"explosion-proof-junction-box-introduction-and-application","status":"publish","type":"post","link":"https:\/\/led.amasly.com\/ro\/explosion-proof-equipment\/explosion-proof-junction-box-introduction-and-application\/","title":{"rendered":"Introducerea \u0219i aplicarea cutiei de jonc\u021biune antiexplozie"},"content":{"rendered":"

Introducerea \u0219i aplicarea cutiei de jonc\u021biune antiexploziv\u0103<\/strong><\/strong><\/h1>\n\n\n\n

Cutie de jonc\u021biune rezistent\u0103 la explozii <\/strong><\/strong><\/h2>\n\n\n\n
\"\"<\/a><\/figure><\/div>\n\n\n\n

\u00cen industrii precum industria petrolier\u0103, chimic\u0103, extrac\u021bia c\u0103rbunelui \u0219i metalurgic\u0103, exist\u0103 adesea scenarii de gaze sau prafuri combustibile \u00een lan\u021bul de produc\u021bie, care sunt medii inflamabile, explozive \u0219i pr\u0103fuite. Echipamentele electrice obi\u0219nuite din procesul de operare, \u00een cazul unei sc\u00e2ntei electrice, vor provoca \u00een mod inevitabil combustie sau explozie, ceea ce va duce la victime \u0219i daune materiale semnificative. Cum pot fi utilizate \u00een siguran\u021b\u0103 echipamentele electrice \u00een aceste medii? Au ap\u0103rut produsele antideflagrante, dulapul antideflagrant este un produs electric foarte important, care, \u00een plus fa\u021b\u0103 de prevenirea incendiilor sau exploziilor, dar \u0219i pentru a preveni p\u0103trunderea prafului, umidit\u0103\u021bii, fumului \u0219i a altor poluan\u021bi.<\/p>\n\n\n\n

\u00cen compara\u021bie cu cutia de jonc\u021biune civil\u0103, cutia de jonc\u021biune antideflagrant\u0103 este transformat\u0103 \u00eentr-o cutie de cabluri cu func\u021bie antideflagrant\u0103. Echipamentele electrice \u00een uz trebuie s\u0103 fie conectate prin fir sau cablu \u0219i re\u021beaua de alimentare pentru a forma un sistem care s\u0103 completeze utilizarea func\u021biei sale; dar firul sau cablul de conectare nu poate fi infinit de lung, iar \u00een procesul de conectare exist\u0103 multe locuri care trebuie conectate \u00een serie, \u00een paralel pentru robinetul de s\u00e2rm\u0103. Acest lucru va provoca \u00een mod inevitabil articula\u021biile par\u021bial expuse, u\u0219or de a provoca accidente. Explosion-proof produse cutie de jonc\u021biune este de a rezolva aceste probleme \u0219i produc\u021bia de produse, \u00een scopul de a asigura \u00een continuare produc\u021bia \u00een condi\u021bii de siguran\u021b\u0103.<\/p>\n\n\n\n

Concepte comune de protec\u021bie \u00eempotriva exploziilor<\/strong>
 \u00cen primul r\u00e2nd, am dori s\u0103 prezent\u0103m c\u00e2teva concepte comune despre protec\u021bia \u00eempotriva exploziilor:<\/strong>
<\/strong>  <\/strong> Diferitele \u021b\u0103ri \u0219i regiuni au standarde diferite privind protec\u021bia \u00eempotriva exploziilor, urm\u0103toarea referin\u021b\u0103 principal\u0103 este la standardele GB din China, standardele IEC ale Comisiei Electrotehnice Interna\u021bionale, standardele europene EN, Uniunea European\u0103 a elaborat Directiva ATEX, standardele NEC505. Trebuie remarcat faptul c\u0103 utilizarea \u00een America de Nord a seriei NEC500 de standarde \u0219i textul diferen\u021bei este mare, dac\u0103 utilizatorul trebuie s\u0103 \u00eendeplineasc\u0103 seria NEC500 de standarde, este necesar s\u0103 selecta\u021bi \u00een func\u021bie de informa\u021biile corespunz\u0103toare, nu se poate face referire la urm\u0103toarele.<\/p>\n\n\n\n

Clasificarea substan\u021belor explozive  <\/strong><\/strong><\/h3>\n\n\n\n
\"\"<\/figure><\/div>\n\n\n\n

Substan\u021bele explozive sunt \u00eemp\u0103r\u021bite \u00een trei categorii majore \u00een func\u021bie de gradul de inflamabilitate: 1, minele de c\u0103rbune subterane din cauza prezen\u021bei gazului \u0219i a prafului de c\u0103rbune clasificate \u00een clasa I \u0219i nu vor continua s\u0103 fie subdivizate; 2, restul gazelor explozive sunt \u00eemp\u0103r\u021bite \u00een \u2161A, \u2161B, \u2161C trei niveluri; 3, praful exploziv poate fi \u00eemp\u0103r\u021bit \u00een \u2162A, \u2162B, \u2162C \u00een func\u021bie de caracteristicile sale. semnul \u2162B al echipamentului poate fi aplicat la utilizarea \u00een condi\u021biile \u2162A ale echipamentului, semnul \u2162C al echipamentului poate fi utilizat pentru \u2162B \u0219i \u2162A Echipamentul etichetat \u2162C poate fi utilizat \u00een condi\u021biile \u2162B \u0219i \u2162A.<\/p>\n\n\n\n

Clasificarea zonelor cu pericol de explozie<\/strong><\/strong><\/h3>\n\n\n\n

Zona 0: prezen\u021ba continu\u0103 sau frecvent\u0103 a gazelor combustibile etc. \u00een condi\u021bii normale.<\/p>\n\n\n\n

Zona 1: Gazele combustibile etc. pot fi prezente \u00een condi\u021bii normale.<\/p>\n\n\n\n

Zona 2: Gaze combustibile, etc. care nu sunt susceptibile de a fi prezente \u00een condi\u021bii normale<\/p>\n\n\n\n

Zona 20: Acolo unde concentra\u021biile explozive de pulberi combustibile etc. apar continuu sau frecvent \u00een condi\u021bii normale.<\/p>\n\n\n\n

Zona 21: Concentra\u021bii explozive de praf combustibil etc. pot exista \u00een condi\u021bii normale.<\/p>\n\n\n\n

Zona 22: Concentra\u021bii explozive de pulberi combustibile etc., care sunt pu\u021bin probabil s\u0103 existe \u00een condi\u021bii normale.<\/p>\n\n\n\n

Temperatura de aprindere a gazului exploziv<\/strong><\/strong><\/h3>\n\n\n\n

De obicei, temperatura de aprindere a gazelor explozive este \u00eemp\u0103r\u021bit\u0103 \u00een \u0219ase grupe T1 ~ T6, se poate observa c\u0103 temperatura de aprindere a T6 este cea mai mic\u0103, adic\u0103 grupul T6 este cel mai u\u0219or de aprins, astfel \u00eenc\u00e2t, dac\u0103 echipamentul electric pentru a satisface grupul T6 de mediu de gaz, dar, de asemenea, \u00een mod inevitabil, \u00eendeplinesc mediul de gaz T1-T5, adic\u0103, cu c\u00e2t este mai mare grupul de temperatur\u0103 al echipamentului mai sigur (compatibilitate ascendent\u0103). (Referin\u021b\u0103: IEC60079, EN60079, NEC505)<\/p>\n\n\n\n

Nivelul de protec\u021bie al echipamentului<\/strong><\/strong><\/h3>\n\n\n\n

Pentru a facilita selectarea echipamentelor antideflagrante, se define\u0219te nivelul de protec\u021bie al echipamentului (EPL). Diferite tipuri de echipamente antideflagrante, at\u00e2t timp c\u00e2t EPL este acela\u0219i, capacitatea lor de protec\u021bie este aceea\u0219i \u00een mod implicit, adic\u0103 pot fi utilizate \u00een aceea\u0219i zon\u0103 cu pericol de explozie. (Referin\u021b\u0103: IEC60079, standardele EN \u0219i directiva ATEX a Uniunii Europene) Utilizarea cutiilor de borne antideflagrante<\/strong><\/p>\n\n\n\n

Precau\u021bii pentru alegerea cutiei de jonc\u021biune antideflagrante<\/strong><\/strong><\/h2>\n\n\n\n

1. Selectarea clasei de protec\u021bie \u00eempotriva exploziilor \u00een func\u021bie de cerin\u021bele de mediu<\/strong><\/strong><\/h3>\n\n\n\n

\u00cen selectarea cutiei de jonc\u021biune antiexploziv\u0103, prima necesitate de a determina nivelul de rezisten\u021b\u0103 la explozie \u00een func\u021bie de cerin\u021bele mediului de lucru real. Diferitele locuri industriale au cerin\u021be diferite pentru nivelul de rezisten\u021b\u0103 la explozie, trebuie s\u0103 selecta\u021bi cutia de jonc\u021biune antideflagrant\u0103 adecvat\u0103 \u00een func\u021bie de circumstan\u021bele specifice.<\/p>\n\n\n\n

2. Cunoa\u0219terea materialelor \u0219i a nivelurilor de protec\u021bie<\/strong><\/strong><\/h3>\n\n\n\n

Cutiile de jonc\u021biune rezistente la explozii sunt de obicei fabricate din o\u021bel inoxidabil, aliaj de aluminiu sau FRP, care au performan\u021be bune de protec\u021bie \u00eempotriva exploziilor \u0219i rezisten\u021b\u0103 la coroziune. \u00cen acela\u0219i timp, este important s\u0103 \u00een\u021belege\u021bi nivelul de protec\u021bie pentru a v\u0103 asigura c\u0103 poate bloca \u00een mod eficient p\u0103trunderea prafului, a vaporilor de ap\u0103 \u0219i a gazelor corozive.<\/p>\n\n\n\n

3. Selectarea dimensiunilor \u0219i a fitingurilor corespunz\u0103toare<\/strong><\/strong><\/h3>\n\n\n\n

Atunci c\u00e2nd alege\u021bi o cutie de jonc\u021biune antiexplozie, trebuie s\u0103 determina\u021bi dimensiunea \u0219i accesoriile adecvate \u00een func\u021bie de num\u0103rul \u0219i dimensiunea echipamentelor care urmeaz\u0103 s\u0103 fie instalate. Dimensiunea rezonabil\u0103 \u0219i accesoriile pot face instalarea echipamentelor mai convenabil\u0103, dar pot, de asemenea, s\u0103 economiseasc\u0103 eficient spa\u021biu.<\/p>\n\n\n\n

Utilizarea corect\u0103 a cutiei de jonc\u021biune antideflagrante<\/strong><\/strong><\/h2>\n\n\n\n

1. Inspec\u021bia \u0219i \u00eentre\u021binerea periodic\u0103<\/strong><\/strong><\/h3>\n\n\n\n

Pentru a asigura buna func\u021bionare a cutiei de jonc\u021biune antideflagrante, aceasta trebuie s\u0103 fie inspectat\u0103 \u0219i \u00eentre\u021binut\u0103 \u00een mod regulat. Pentru a verifica dac\u0103 suprafa\u021ba exterioar\u0103 a cutiei de jonc\u021biune este deteriorat\u0103, dac\u0103 cablajul este solid \u0219i dac\u0103 echipamentul antideflagrant este \u00een stare de func\u021bionare. Dac\u0103 se constat\u0103 probleme, acestea trebuie reparate \u0219i \u00eenlocuite \u00een timp util, astfel \u00eenc\u00e2t s\u0103 nu afecteze func\u021bionarea \u00een siguran\u021b\u0103 a echipamentului.<\/p>\n\n\n\n

2. Respectarea normelor de utilizare<\/strong><\/strong><\/h3>\n\n\n\n

Atunci c\u00e2nd utiliza\u021bi cutia de jonc\u021biune antiexploziv\u0103, este necesar s\u0103 respecta\u021bi cu stricte\u021be reglement\u0103rile relevante pentru utilizare. Este interzis\u0103 dezasamblarea sau modificarea neautorizat\u0103 a cutiei de jonc\u021biune antiexploziv\u0103, pentru a nu deteriora structura antiexploziv\u0103, rezult\u00e2nd accidente de siguran\u021b\u0103. \u00cen acela\u0219i timp, este, de asemenea, necesar s\u0103 se evite utilizarea echipamentelor obi\u0219nuite \u00een medii inflamabile \u0219i explozive \u0219i ar trebui s\u0103 se utilizeze echipamente cu performan\u021be de protec\u021bie \u00eempotriva exploziilor pentru a asigura siguran\u021ba mediului de produc\u021bie.<\/p>\n\n\n\n

3. Consolidarea form\u0103rii personalului<\/strong><\/strong><\/h3>\n\n\n\n

Pentru utilizarea personalului cutiei de jonc\u021biune antiexploziv\u0103, este necesar s\u0103 se consolideze formarea relevant\u0103 \u00een materie de siguran\u021b\u0103 pentru a \u00eembun\u0103t\u0103\u021bi \u00een\u021belegerea echipamentului antiexploziv \u0219i a abilit\u0103\u021bilor de operare. Numai personalul instruit profesional poate utiliza \u0219i \u00eentre\u021bine corect cutia de jonc\u021biune antideflagrant\u0103, poate preveni \u0219i r\u0103spunde eficient la eventualele incidente de siguran\u021b\u0103.<\/p>","protected":false},"excerpt":{"rendered":"

Explosion-proof junction box introduction and application Explosion-proof junction box In industries such as petroleum, chemical, coal mining and metallurgy, there are often scenarios of combustible gases or dusts in the production chain, which are flammable, explosive and dusty environments. Ordinary electrical equipment in the operation process, if an electric spark, will inevitably cause combustion or […]<\/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-2147","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\/ro\/author\/jacklin\/"},"uagb_comment_info":0,"uagb_excerpt":"Explosion-proof junction box introduction and application Explosion-proof junction box In industries such as petroleum, chemical, coal mining and metallurgy, there are often scenarios of combustible gases or dusts in the production chain, which are flammable, explosive and dusty environments. Ordinary electrical equipment in the operation process, if an electric spark, will inevitably cause combustion or…","_links":{"self":[{"href":"https:\/\/led.amasly.com\/ro\/wp-json\/wp\/v2\/posts\/2147","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/led.amasly.com\/ro\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/led.amasly.com\/ro\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/led.amasly.com\/ro\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/led.amasly.com\/ro\/wp-json\/wp\/v2\/comments?post=2147"}],"version-history":[{"count":2,"href":"https:\/\/led.amasly.com\/ro\/wp-json\/wp\/v2\/posts\/2147\/revisions"}],"predecessor-version":[{"id":2306,"href":"https:\/\/led.amasly.com\/ro\/wp-json\/wp\/v2\/posts\/2147\/revisions\/2306"}],"wp:attachment":[{"href":"https:\/\/led.amasly.com\/ro\/wp-json\/wp\/v2\/media?parent=2147"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/led.amasly.com\/ro\/wp-json\/wp\/v2\/categories?post=2147"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/led.amasly.com\/ro\/wp-json\/wp\/v2\/tags?post=2147"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}