{"id":6152,"date":"2025-07-17T14:17:36","date_gmt":"2025-07-17T06:17:36","guid":{"rendered":"https:\/\/globalquartztube.com\/?p=6152"},"modified":"2025-08-12T14:56:14","modified_gmt":"2025-08-12T06:56:14","slug":"high-pressure-quartz-tube-sealing-guide","status":"publish","type":"post","link":"https:\/\/globalquartztube.com\/ro\/high-pressure-quartz-tube-sealing-guide\/","title":{"rendered":"Ghid de etan\u0219are a tuburilor de cuar\u021b de \u00eenalt\u0103 presiune"},"content":{"rendered":"<p><strong>Ghid tehnic pentru etan\u0219area tuburilor de cuar\u021b \u00een condi\u021bii de presiune ridicat\u0103 (\u226510MPa)<\/strong><br><strong>Proceduri de selec\u021bie, instalare \u0219i verificare pentru tuburi de cuar\u021b, alumin\u0103 \u0219i safir<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>1. Tabelul comparativ al tipurilor de garnituri<\/strong><\/h3>\n\n\n\n<p><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Tip de garnitur\u0103<\/th><th>Presiune maxim\u0103<\/th><th>Intervalul de temperatur\u0103<\/th><th>Reutilizabil<\/th><th>Intervalul diametrului tubului<\/th><th>Caz de utilizare recomandat<\/th><\/tr><\/thead><tbody><tr><td>Flan\u0219\u0103 metalic\u0103 + garnitur\u0103 conic\u0103<\/td><td>\u226430 MPa<\/td><td>-200 ~ 500 \u00b0C<\/td><td>\u2713<\/td><td>5-100 mm<\/td><td>Reactoare de \u00eenalt\u0103 presiune care necesit\u0103 acces frecvent<\/td><\/tr><tr><td>Sigiliu de fuziune a sticlei<\/td><td>\u226415 MPa<\/td><td>\u2264450 \u00b0C<\/td><td>\u2717<\/td><td>3-50 mm<\/td><td>\u00cencapsulare permanent\u0103 a senzorului<\/td><\/tr><tr><td>Compresie hidraulic\u0103 la rece<\/td><td>\u2264100 MPa<\/td><td>-273 ~ 1000 \u00b0C<\/td><td>\u2717<\/td><td>3-20 mm (perete gros)<\/td><td>Aplica\u021bii la presiune extrem\u0103\/cryogenic<\/td><\/tr><tr><td>Brazare metalizat\u0103<\/td><td>\u226450 MPa<\/td><td>\u22641000 \u00b0C<\/td><td>\u2717<\/td><td>3-20 mm<\/td><td>Fiabilitate la nivel aerospa\u021bial \u0219i de ap\u0103rare<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>2. Flan\u0219\u0103 metalic\u0103 cu garnitur\u0103 conic\u0103 (metod\u0103 recomandat\u0103)<\/strong><\/h3>\n\n\n\n<p><\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>1. Componente necesare<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Material flan\u0219\u0103<\/strong>: Inconel 718 (aliaj de nichel rezistent la coroziune)<\/li>\n\n\n\n<li><strong>Garnitura de etan\u0219are<\/strong>: Cupru recopt (grosime 1 mm, duritate HV50)<\/li>\n\n\n\n<li><strong>Unghi conic<\/strong>: 20\u00b0 \u00b1 0,5\u00b0 (trebuie s\u0103 se potriveasc\u0103 cu conul rectificat cu precizie al tubului)<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>2. Procedura de instalare<\/strong><\/h4>\n\n\n\n<h5 class=\"wp-block-heading\"><strong>\u2460 Preg\u0103tire<\/strong><\/h5>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0218lefuirea la flac\u0103r\u0103 a capetelor tuburilor de cuar\u021b pentru a elimina microfisurile<\/li>\n\n\n\n<li>Lustruire \u00een oglind\u0103 a suprafe\u021bei conice a flan\u0219ei (Ra \u2264 0,8 \u03bcm)<\/li>\n<\/ul>\n\n\n\n<h5 class=\"wp-block-heading\"><strong>\u2461 Asamblare<\/strong><\/h5>\n\n\n\n<ol class=\"wp-block-list\">\n<li>A\u0219eza\u021bi garnitura de cupru pe conul flan\u0219ei<\/li>\n\n\n\n<li>Aplica\u021bi unsoare de vid de \u00eenalt\u0103 temperatur\u0103 (de exemplu, Apiezon N) pe conul tubului<\/li>\n\n\n\n<li>Str\u00e2nge\u021bi \u0219uruburile progresiv folosind o cheie dinamometric\u0103 hidraulic\u0103<\/li>\n<\/ol>\n\n\n\n<p><strong>Programul de torsiune al \u0219uruburilor (pentru \u0219uruburi M6):<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Etapa<\/th><th>Cuplu (N-m)<\/th><th>Timp de sta\u021bionare<\/th><\/tr><\/thead><tbody><tr><td>Pre\u00eenc\u0103rcare<\/td><td>10<\/td><td>5 min<\/td><\/tr><tr><td>Mijlociu<\/td><td>20<\/td><td>10 min<\/td><\/tr><tr><td>Final<\/td><td>30<\/td><td>30 min<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>3. Criterii de testare a scurgerilor<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Rata de scurgere a heliului<\/strong>: \u2264 1\u00d710-\u2078 mbar-L\/s<\/li>\n\n\n\n<li><strong>Test de men\u021binere a presiunii<\/strong>: 15 MPa timp de 1 or\u0103, c\u0103dere de presiune &lt;1%<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>3. Precau\u021bii de siguran\u021b\u0103<\/strong><\/h3>\n\n\n\n<p><\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>1. Protec\u021bia \u00eempotriva exploziilor<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Scut antideflagrant din policarbonat de 6 mm \u00een jurul tubului (op\u021bional, cu fereastr\u0103 pentru camera IR)<\/li>\n\n\n\n<li>Instala\u021bi supapa mecanic\u0103 de suprapresiune (punct de reglare = 12 MPa)<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>2. Orient\u0103ri opera\u021bionale<\/strong><\/h4>\n\n\n\n<p><strong>Nu:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u2717 Presurizare rapid\u0103 (utiliza\u021bi o ramp\u0103 de presiune \u2264 1 MPa\/min)<\/li>\n\n\n\n<li>\u2717 Suprapresiune la temperatura ambiant\u0103 (pre\u00eenc\u0103lzi\u021bi la \u2265 100 \u00b0C \u00eenainte de presurizare)<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>4. Studii de caz privind e\u0219ecul<\/strong><\/h3>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Cazul 1: Scurgerea garniturii flan\u0219ei (cazul POSTECH)<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Problema<\/strong>: Rata de scurgere a heliului a crescut la 8 MPa<\/li>\n\n\n\n<li><strong>Cauza principal\u0103<\/strong>: Garnitura nu a fost recoapt\u0103; duritatea ridicat\u0103 a \u00eempiedicat deformarea corespunz\u0103toare<\/li>\n\n\n\n<li><strong>Solu\u021bie<\/strong>: A trecut la cupru moale HV50; scurgere redus\u0103 cu 100\u00d7<\/li>\n<\/ul>\n\n\n\n<p><strong>Cazul 2: Fractura tubului (NIMS Japan Lab)<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Problema<\/strong>: Fisurare longitudinal\u0103 la 12 MPa<\/li>\n\n\n\n<li><strong>Cauza principal\u0103<\/strong>: Defect subteran de la t\u0103ierea cu laser nedetectat<\/li>\n\n\n\n<li><strong>\u00cembun\u0103t\u0103\u021bire<\/strong>: Furnizorul trebuie s\u0103 furnizeze acum <strong>raport de inspec\u021bie prin penetrare fluorescent\u0103<\/strong><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>5. Asisten\u021b\u0103 tehnic\u0103<\/strong><\/h3>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Furnizor de tuburi de cuar\u021b | Tuburi \u0219i \u00eenc\u0103lzitoare personalizabile | GlobalQT<\/strong><br>Pentru consult\u0103ri suplimentare bazate pe parametri de testare specifici (de exemplu, faza CO\u2082, rata de ramp\u0103 etc.), v\u0103 rug\u0103m <a href=\"https:\/\/globalquartztube.com\/ro\/contact\/\">contacta\u0163i-ne<\/a>.<\/p>\n\n\n\n<p>Acest document trebuie revizuit de c\u0103tre experimentator pe baza parametrilor experimentali specifici (de exemplu, starea de faz\u0103 a CO\u2082, rata de \u00eenc\u0103lzire etc.).<\/p>","protected":false},"excerpt":{"rendered":"<p>Technical Guide for Sealing Quartz Tubes in High-Pressure Conditions (\u226510MPa)Selection, Installation &amp; Verification Procedures for Quartz, Alumina, and Sapphire Tubes 1. Seal Type Comparison Table Seal Type Max Pressure Temp Range Reusable Tube Diameter Range Recommended Use Case Metal Flange + Conical Seal \u226430\u202fMPa -200\u202f~\u202f500\u202f\u00b0C \u2713 5\u2013100\u202fmm High-pressure reactors requiring frequent access Glass Fusion Seal [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":6158,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"none","_seopress_titles_title":"High-Pressure Quartz Tube Sealing Guide","_seopress_titles_desc":"Technical guide for sealing quartz tubes under \u226510MPa pressure. Includes method selection, installation steps, leak testing, and safety measures for high-pressure use.","_seopress_robots_index":"","_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":[1],"tags":[],"ppma_author":[21],"class_list":["post-6152","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized","author-nola"],"uagb_featured_image_src":{"full":["https:\/\/globalquartztube.com\/wp-content\/uploads\/2025\/07\/High-Pressure-Quartz-Tube-Sealing-Guide.jpg",955,945,false],"thumbnail":["https:\/\/globalquartztube.com\/wp-content\/uploads\/2025\/07\/High-Pressure-Quartz-Tube-Sealing-Guide-150x150.jpg",150,150,true],"medium":["https:\/\/globalquartztube.com\/wp-content\/uploads\/2025\/07\/High-Pressure-Quartz-Tube-Sealing-Guide-300x297.jpg",300,297,true],"medium_large":["https:\/\/globalquartztube.com\/wp-content\/uploads\/2025\/07\/High-Pressure-Quartz-Tube-Sealing-Guide-768x760.jpg",768,760,true],"large":["https:\/\/globalquartztube.com\/wp-content\/uploads\/2025\/07\/High-Pressure-Quartz-Tube-Sealing-Guide.jpg",955,945,false],"1536x1536":["https:\/\/globalquartztube.com\/wp-content\/uploads\/2025\/07\/High-Pressure-Quartz-Tube-Sealing-Guide.jpg",955,945,false],"2048x2048":["https:\/\/globalquartztube.com\/wp-content\/uploads\/2025\/07\/High-Pressure-Quartz-Tube-Sealing-Guide.jpg",955,945,false],"trp-custom-language-flag":["https:\/\/globalquartztube.com\/wp-content\/uploads\/2025\/07\/High-Pressure-Quartz-Tube-Sealing-Guide-12x12.jpg",12,12,true]},"uagb_author_info":{"display_name":"Nola Zhang","author_link":"https:\/\/globalquartztube.com\/ro\/author\/nola\/"},"uagb_comment_info":19,"uagb_excerpt":"Technical Guide for Sealing Quartz Tubes in High-Pressure Conditions (\u226510MPa)Selection, Installation &amp; Verification Procedures for Quartz, Alumina, and Sapphire Tubes 1. Seal Type Comparison Table Seal Type Max Pressure Temp Range Reusable Tube Diameter Range Recommended Use Case Metal Flange + Conical Seal \u226430\u202fMPa -200\u202f~\u202f500\u202f\u00b0C \u2713 5\u2013100\u202fmm High-pressure reactors requiring frequent access Glass Fusion Seal&hellip;","authors":[{"term_id":21,"user_id":1,"is_guest":0,"slug":"nola","display_name":"Nola Zhang","avatar_url":{"url":"https:\/\/globalquartztube.com\/wp-content\/uploads\/2024\/06\/Casper-Peng.webp","url2x":"https:\/\/globalquartztube.com\/wp-content\/uploads\/2024\/06\/Casper-Peng.webp"},"0":null,"1":"","2":"","3":"","4":"","5":"","6":"","7":""}],"_links":{"self":[{"href":"https:\/\/globalquartztube.com\/ro\/wp-json\/wp\/v2\/posts\/6152","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/globalquartztube.com\/ro\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/globalquartztube.com\/ro\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/globalquartztube.com\/ro\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/globalquartztube.com\/ro\/wp-json\/wp\/v2\/comments?post=6152"}],"version-history":[{"count":5,"href":"https:\/\/globalquartztube.com\/ro\/wp-json\/wp\/v2\/posts\/6152\/revisions"}],"predecessor-version":[{"id":6175,"href":"https:\/\/globalquartztube.com\/ro\/wp-json\/wp\/v2\/posts\/6152\/revisions\/6175"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/globalquartztube.com\/ro\/wp-json\/wp\/v2\/media\/6158"}],"wp:attachment":[{"href":"https:\/\/globalquartztube.com\/ro\/wp-json\/wp\/v2\/media?parent=6152"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/globalquartztube.com\/ro\/wp-json\/wp\/v2\/categories?post=6152"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/globalquartztube.com\/ro\/wp-json\/wp\/v2\/tags?post=6152"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/globalquartztube.com\/ro\/wp-json\/wp\/v2\/ppma_author?post=6152"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}