{"id":3690,"date":"2024-05-29T09:00:00","date_gmt":"2024-05-29T01:00:00","guid":{"rendered":"https:\/\/globalquartztube.com\/?p=3690"},"modified":"2024-06-27T16:57:46","modified_gmt":"2024-06-27T08:57:46","slug":"vacuum-sealed-quartz-tube-operation-instructions","status":"publish","type":"post","link":"https:\/\/globalquartztube.com\/fr\/vacuum-sealed-quartz-tube-operation-instructions\/","title":{"rendered":"Instructions d&#039;utilisation du tube de quartz scell\u00e9 sous vide"},"content":{"rendered":"<p><\/p>\n\n\n\t\t\t\t<div class=\"wp-block-uagb-table-of-contents uagb-toc__align-left uagb-toc__columns-1  uagb-block-13c036c6\"\n\t\t\t\t\tdata-scroll= \"1\"\n\t\t\t\t\tdata-offset= \"30\"\n\t\t\t\t\tstyle=\"\"\n\t\t\t\t>\n\t\t\t\t<div class=\"uagb-toc__wrap\">\n\t\t\t\t\t\t<div class=\"uagb-toc__title\">\n\t\t\t\t\t\t\tTable des mati\u00e8res\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"uagb-toc__list-wrap\">\n\t\t\t\t\t\t<ol class=\"uagb-toc__list\"><li class=\"uagb-toc__list\"><a href=\"#preliminary-checks\" class=\"uagb-toc-link__trigger\">V\u00e9rifications pr\u00e9liminaires<\/a><li class=\"uagb-toc__list\"><a href=\"#operation-steps\" class=\"uagb-toc-link__trigger\">\u00c9tapes de fonctionnement<\/a><ul class=\"uagb-toc__list\"><li class=\"uagb-toc__list\"><a href=\"#1-sample-installation\" class=\"uagb-toc-link__trigger\">1. Exemple d&#039;installation<\/a><li class=\"uagb-toc__list\"><li class=\"uagb-toc__list\"><a href=\"#2-low-vacuum-extraction\" class=\"uagb-toc-link__trigger\">2. Extraction sous vide faible<\/a><li class=\"uagb-toc__list\"><li class=\"uagb-toc__list\"><a href=\"#3-high-vacuum-extraction\" class=\"uagb-toc-link__trigger\">3. Extraction sous vide pouss\u00e9<\/a><li class=\"uagb-toc__list\"><li class=\"uagb-toc__list\"><a href=\"#4-gas-filling\" class=\"uagb-toc-link__trigger\">4. Remplissage de gaz<\/a><li class=\"uagb-toc__list\"><li class=\"uagb-toc__list\"><a href=\"#5-ignition\" class=\"uagb-toc-link__trigger\">5. Allumage<\/a><li class=\"uagb-toc__list\"><li class=\"uagb-toc__list\"><a href=\"#6-flame-adjustment\" class=\"uagb-toc-link__trigger\">6. R\u00e9glage de la flamme<\/a><li class=\"uagb-toc__list\"><li class=\"uagb-toc__list\"><a href=\"#7-sealing-operation\" class=\"uagb-toc-link__trigger\">7. Op\u00e9ration de scellement<\/a><li class=\"uagb-toc__list\"><li class=\"uagb-toc__list\"><a href=\"#8-post-sealing-procedures\" class=\"uagb-toc-link__trigger\">8. Proc\u00e9dures post-scellement<\/a><li class=\"uagb-toc__list\"><li class=\"uagb-toc__list\"><a href=\"#9-completion-of-experiments\" class=\"uagb-toc-link__trigger\">9. Ach\u00e8vement des exp\u00e9riences<\/a><\/li><\/ul><\/li><li class=\"uagb-toc__list\"><a href=\"#precautions\" class=\"uagb-toc-link__trigger\">Pr\u00e9cautions<\/a><li class=\"uagb-toc__list\"><a href=\"#additional-instructions\" class=\"uagb-toc-link__trigger\">instructions additionnelles<\/a><\/ul><\/ol>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\n\n\n<p><\/p>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-c0749cd5\"><h2 class=\"uagb-heading-text\">V\u00e9rifications pr\u00e9liminaires<\/h2><\/div>\n\n\n\n<p>Avant de commencer le processus de scellage, inspectez soigneusement l&#039;\u00e9quipement pour d\u00e9tecter tout d\u00e9faut. Assurez-vous que toutes les vannes d&#039;\u00e9tanch\u00e9it\u00e9 sont ferm\u00e9es et v\u00e9rifiez les niveaux d&#039;ac\u00e9tyl\u00e8ne et d&#039;oxyg\u00e8ne. Si un remplissage est n\u00e9cessaire, v\u00e9rifiez si l\u2019Ar (argon) haute pression est \u00e9puis\u00e9. Si l\u2019\u00e9quipement et les bouteilles de gaz sont en bon \u00e9tat, proc\u00e9dez comme suit\u00a0:<\/p>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-b75300be\"><h2 class=\"uagb-heading-text\">\u00c9tapes de fonctionnement<\/h2><\/div>\n\n\n\n<p><\/p>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-b4774c19\"><h3 class=\"uagb-heading-text\">1. Exemple d&#039;installation<\/h3><\/div>\n\n\n\n<p>S\u00e9lectionnez l'option appropri\u00e9e <a href=\"https:\/\/globalquartztube.com\/fr\/quartz-tube\/\" data-type=\"page\" data-id=\"1240\">tube de quartz<\/a>, le manchon et la bague d'\u00e9tanch\u00e9it\u00e9.<\/p>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-13e66613\"><h3 class=\"uagb-heading-text\">2. Extraction sous vide faible<\/h3><\/div>\n\n\n\n<p>Allumez l\u2019interrupteur d\u2019alimentation principal (G1) et l\u2019interrupteur de la pompe m\u00e9canique (G2). Ouvrir lentement la vanne V4. Une fois que le manom\u00e8tre \u00e0 faible vide (cadran de droite) affiche une lecture inf\u00e9rieure \u00e0 5 Pa, fermez V4.<\/p>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-3b0081f1\"><h3 class=\"uagb-heading-text\">3. Extraction sous vide pouss\u00e9<\/h3><\/div>\n\n\n\n<p>Ouvrir lentement la vanne V1. Une fois que la lecture de la jauge \u00e0 faible vide s&#039;est stabilis\u00e9e, allumez l&#039;interrupteur de la pompe mol\u00e9culaire (G3). Lorsque la lecture se stabilise, ouvrez la vanne V2. Vous pouvez \u00e9galement allumer la jauge \u00e0 vide pouss\u00e9 (cadran de gauche) pour surveiller le niveau de vide. Lorsque le niveau de vide atteint les exigences de scellage (g\u00e9n\u00e9ralement inf\u00e9rieur \u00e0 10^-5 Pa), commencez le processus de scellage.<\/p>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-a22ddf3c\"><h3 class=\"uagb-heading-text\">4. Remplissage de gaz<\/h3><\/div>\n\n\n\n<p>Fermez les vannes V2 et V1, ouvrez la bouteille de gaz Ar et ajustez la vanne V3 pour remplir le gaz. Lorsque le d\u00e9bit de gaz r\u00e9pond aux exigences, fermez V3 et la bouteille.<\/p>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-33d4cb71\"><h3 class=\"uagb-heading-text\">5. Allumage<\/h3><\/div>\n\n\n\n<p>Ouvrez les bouteilles d&#039;ac\u00e9tyl\u00e8ne et d&#039;oxyg\u00e8ne. Avant l&#039;allumage, purger l&#039;air r\u00e9siduel des canalisations. Ouvrez l\u00e9g\u00e8rement l&#039;interrupteur \u00e0 ac\u00e9tyl\u00e8ne (bouton rouge) sur la buse et allumez.<\/p>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-5651c412\"><h3 class=\"uagb-heading-text\">6. R\u00e9glage de la flamme<\/h3><\/div>\n\n\n\n<p>Alternez les r\u00e9glages des interrupteurs ac\u00e9tyl\u00e8ne et oxyg\u00e8ne (bouton bleu) pour obtenir la flamme souhait\u00e9e.<\/p>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-a68dd852\"><h3 class=\"uagb-heading-text\">7. Op\u00e9ration de scellement<\/h3><\/div>\n\n\n\n<p>Une fois la flamme r\u00e9gl\u00e9e, proc\u00e9der \u00e0 l&#039;op\u00e9ration de scellement requise.<\/p>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-c41710da\"><h3 class=\"uagb-heading-text\">8. Proc\u00e9dures post-scellement<\/h3><\/div>\n\n\n\n<p>Apr\u00e8s avoir scell\u00e9, fermez alternativement les interrupteurs \u00e0 ac\u00e9tyl\u00e8ne et \u00e0 oxyg\u00e8ne, en fermant l&#039;interrupteur \u00e0 ac\u00e9tyl\u00e8ne en dernier jusqu&#039;\u00e0 ce que la flamme s&#039;\u00e9teigne. Fermez les bouteilles d&#039;ac\u00e9tyl\u00e8ne et d&#039;oxyg\u00e8ne et purgez les gaz r\u00e9siduels des tuyaux. Fermez les vannes V2 et V1 et retirez le tube de quartz pour la prochaine op\u00e9ration de scellement (r\u00e9p\u00e9tez les \u00e9tapes 1 \u00e0 7).<\/p>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-4f3cf5cb\"><h3 class=\"uagb-heading-text\">9. Ach\u00e8vement des exp\u00e9riences<\/h3><\/div>\n\n\n\n<p>Une fois toutes les exp\u00e9riences termin\u00e9es, fermez correctement les vannes V4, V3, V2 et V1. \u00c9teignez s\u00e9quentiellement G3, G2 et G1. Nettoyez l&#039;espace de travail et enregistrez les d\u00e9tails de l&#039;exp\u00e9rience.<\/p>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-51912dff\"><h2 class=\"uagb-heading-text\">Pr\u00e9cautions<\/h2><\/div>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Veiller \u00e0 ce que le <a href=\"https:\/\/globalquartztube.com\/fr\/quartz-tube\/\" data-type=\"page\" data-id=\"1240\">tube de quartz<\/a> soit propre et s\u00e8che afin d'\u00e9viter la contamination de la pompe mol\u00e9culaire par de l'humidit\u00e9 ou des d\u00e9bris.<\/li>\n\n\n\n<li>Maintenez une distance d&#039;\u00e9tanch\u00e9it\u00e9 de plus de 15 cm du joint pour \u00e9viter d&#039;endommager le joint d&#039;\u00e9tanch\u00e9it\u00e9 \u00e0 haute temp\u00e9rature.<\/li>\n\n\n\n<li>Faites fonctionner la vanne de pompe mol\u00e9culaire V2 avec pr\u00e9caution pendant les exp\u00e9riences\u00a0; L&#039;entr\u00e9e directe de l&#039;atmosph\u00e8re dans la pompe mol\u00e9culaire est strictement interdite pour \u00e9viter les alarmes et les dommages \u00e0 la pompe.<\/li>\n\n\n\n<li>Les niveaux de vide sont influenc\u00e9s par les conditions atmosph\u00e9riques. Si le niveau de vide requis n&#039;est pas atteint au fil du temps, envisagez de chauffer la pompe mol\u00e9culaire et de cuire mod\u00e9r\u00e9ment le tube et les tuyaux en quartz, en \u00e9vitant les temp\u00e9ratures excessives pour \u00e9viter tout danger.<\/li>\n\n\n\n<li>Apr\u00e8s l&#039;allumage, \u00e9vitez de diriger la flamme vers l&#039;ac\u00e9tyl\u00e8ne, les tuyaux d&#039;oxyg\u00e8ne ou d&#039;autres objets environnants pour \u00e9viter les explosions.<\/li>\n\n\n\n<li>Le nettoyage post-exp\u00e9rience est essentiel, en s&#039;assurant que toutes les bouteilles de gaz, vannes et sources d&#039;alimentation sont \u00e9teintes et que les enregistrements des exp\u00e9riences sont conserv\u00e9s.<\/li>\n\n\n\n<li>Le respect de ces r\u00e8gles est obligatoire ; les violations conduisant \u00e0 des accidents seront tenues responsables.<\/li>\n\n\n\n<li>Pour toute question, contactez le responsable du mat\u00e9riel.<\/li>\n<\/ol>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-3194203f\"><h2 class=\"uagb-heading-text\">instructions additionnelles<\/h2><\/div>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Pour \u00e9viter la d\u00e9rive des flammes pendant le processus de scellement, fermez les fen\u00eatres, mais ouvrez-les apr\u00e8s avoir purg\u00e9 les tuyaux pour \u00e9viter les r\u00e9sidus d&#039;ac\u00e9tyl\u00e8ne et d&#039;oxyg\u00e8ne dans la pi\u00e8ce.<\/li>\n\n\n\n<li>Calculez le volume de remplissage de gaz s\u00fbr pour \u00e9viter un remplissage excessif, ce qui peut compliquer le processus de scellage et pr\u00e9senter des risques de recuit.<\/li>\n\n\n\n<li>En cas de fuite d\u2019\u00e9tanch\u00e9it\u00e9 pendant l\u2019exp\u00e9rience, fermez rapidement la vanne de la pompe mol\u00e9culaire V2, si les conditions le permettent, pour \u00e9viter un afflux soudain de gaz et un endommagement des pales de la pompe.<\/li>\n\n\n\n<li>Si l&#039;op\u00e9rateur est absent pendant l&#039;extraction du gaz, placez des panneaux d&#039;avertissement pour emp\u00eacher d&#039;autres personnes de briser le tube de verre et de provoquer une entr\u00e9e d&#039;atmosph\u00e8re dans la pompe mol\u00e9culaire. Si le tube de verre est accidentellement bris\u00e9, informez-en rapidement le propri\u00e9taire de l&#039;\u00e9chantillon pour discuter des solutions.<\/li>\n\n\n\n<li>Si l&#039;\u00e9quipement n&#039;est pas utilis\u00e9 apr\u00e8s le scellage, placez un tube de verre vide et aspirez-le sous un faible vide avant de l&#039;arr\u00eater pour maintenir la propret\u00e9 du syst\u00e8me de vide.<\/li>\n\n\n\n<li>\u00c9vitez le fonctionnement prolong\u00e9 de la jauge \u00e0 ionisation sous vide pouss\u00e9.<\/li>\n<\/ol>\n\n\n\n<p>GlobalQT est sp\u00e9cialis\u00e9 dans la fabrication de <a href=\"https:\/\/globalquartztube.com\/fr\/quartz-tube\/\" data-type=\"page\" data-id=\"1240\">tubes de quartz<\/a> et <a href=\"https:\/\/globalquartztube.com\/fr\/heater-quartz-tube\/\" data-type=\"page\" data-id=\"1388\">chauffages \u00e0 tubes de quartz<\/a>Le groupe de travail sur la gestion des ressources humaines, qui fournit des solutions personnalisables \u00e0 des prix raisonnables, a \u00e9t\u00e9 mis en place. Pour plus d'informations, visitez notre site <a href=\"https:\/\/globalquartztube.com\/fr\/\">site web<\/a> ou <a href=\"https:\/\/globalquartztube.com\/fr\/contact\/\" data-type=\"page\" data-id=\"2080\">Contactez-nous<\/a> par courrier \u00e9lectronique \u00e0 l'adresse suivante <a>contact@globalquartztube.com<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"<p>Preliminary Checks Before starting the sealing process, carefully inspect the equipment for faults. Ensure all sealing valves are closed, and check the acetylene and oxygen levels. If refilling is needed, verify if the high-pressure Ar (argon) is depleted. If both the equipment and gas cylinders are in good condition, proceed with the following steps: Operation [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":3693,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"none","_seopress_titles_title":"Vacuum Sealed Quartz Tube Operation Instructions","_seopress_titles_desc":"Learn the detailed steps and precautions for operating vacuum sealed quartz tube systems, ensuring safety and efficiency in your lab procedures.","_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 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Casper","author_link":"https:\/\/globalquartztube.com\/fr\/author\/casper-peng\/"},"uagb_comment_info":0,"uagb_excerpt":"Preliminary Checks Before starting the sealing process, carefully inspect the equipment for faults. Ensure all sealing valves are closed, and check the acetylene and oxygen levels. If refilling is needed, verify if the high-pressure Ar (argon) is depleted. If both the equipment and gas cylinders are in good condition, proceed with the following steps: Operation\u2026","authors":[{"term_id":13,"user_id":3,"is_guest":0,"slug":"casper-peng","display_name":"Peng, Casper","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\/fr\/wp-json\/wp\/v2\/posts\/3690","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/globalquartztube.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/globalquartztube.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/globalquartztube.com\/fr\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/globalquartztube.com\/fr\/wp-json\/wp\/v2\/comments?post=3690"}],"version-history":[{"count":3,"href":"https:\/\/globalquartztube.com\/fr\/wp-json\/wp\/v2\/posts\/3690\/revisions"}],"predecessor-version":[{"id":4258,"href":"https:\/\/globalquartztube.com\/fr\/wp-json\/wp\/v2\/posts\/3690\/revisions\/4258"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/globalquartztube.com\/fr\/wp-json\/wp\/v2\/media\/3693"}],"wp:attachment":[{"href":"https:\/\/globalquartztube.com\/fr\/wp-json\/wp\/v2\/media?parent=3690"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/globalquartztube.com\/fr\/wp-json\/wp\/v2\/categories?post=3690"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/globalquartztube.com\/fr\/wp-json\/wp\/v2\/tags?post=3690"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/globalquartztube.com\/fr\/wp-json\/wp\/v2\/ppma_author?post=3690"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}