<\/p>\n\n\n\n
Kvartsiputket<\/a> ovat ratkaisevassa asemassa putkiuunien toiminnassa, joita k\u00e4ytet\u00e4\u00e4n usein erilaisissa laboratorioymp\u00e4rist\u00f6iss\u00e4. Seuraavassa on joitakin ohjeita niiden k\u00e4ytt\u00f6\u00e4 ja huoltoa varten:<\/p>\n\n\n\n Vetykaasua ei yleens\u00e4 suositella putkiuuneissa r\u00e4j\u00e4hdysvaaran vuoksi, paitsi pitoisuuksina, jotka ovat r\u00e4j\u00e4hdysrajojen ulkopuolella. Jos vetykaasun k\u00e4ytt\u00f6 on v\u00e4ltt\u00e4m\u00e4t\u00f6nt\u00e4, on ryhdytt\u00e4v\u00e4 asianmukaisiin turvatoimiin. Varmista, ettei kukaan seiso putken kummassakaan p\u00e4\u00e4ss\u00e4 kaasun virtauksen aikana. Ruostumattomasta ter\u00e4ksest\u00e4 valmistettuja putkia, joiden l\u00e4mm\u00f6njohtavuus on korkeampi kuin kvartsilla, tulee k\u00e4ytt\u00e4\u00e4 vetykaasuna, jotta vesij\u00e4\u00e4hdytys on v\u00e4ltt\u00e4m\u00e4t\u00f6nt\u00e4 molemmissa p\u00e4iss\u00e4 O-renkaan ylikuumenemisen ja rikkoutumisen est\u00e4miseksi.<\/p>\n\n\n\n Kvartsiputket<\/a>\u2018pehmenemispiste on noin 1270 \u00b0C. Muodonmuutosten tai vaurioiden v\u00e4ltt\u00e4miseksi on suositeltavaa, ett\u00e4 l\u00e4mp\u00f6tila ei ylit\u00e4 1200 \u00b0C:ta yli 3 tunnin ajan.<\/p>\n\n\n\n Laita l\u00e4mmitett\u00e4ess\u00e4 aina keraamiset uunitulpat putken sis\u00e4\u00e4n tasaisen l\u00e4mp\u00f6tilan jakautumisen varmistamiseksi. Ilman n\u00e4it\u00e4 tulppia l\u00e4mp\u00f6tila putken p\u00e4iss\u00e4 voi nousta liian korkeaksi, mik\u00e4 vaarantaa laippojen O-renkaat ja vaikuttaa kaasun tiiviyteen. Uunin tulppien sijoittaminen mahdollistaa my\u00f6s tasaisen l\u00e4mp\u00f6kent\u00e4n uunin sis\u00e4ll\u00e4.<\/p>\n\n\n\n On t\u00e4rke\u00e4\u00e4 pit\u00e4\u00e4 uunin putken sis\u00e4puoli puhtaana. Materiaaleja k\u00e4sitelt\u00e4ess\u00e4, jotta voidaan pident\u00e4\u00e4 k\u00e4ytt\u00f6ik\u00e4\u00e4 kvartsiputki<\/a>, v\u00e4lt\u00e4 asettamasta niit\u00e4 suoraan putken p\u00e4\u00e4lle. K\u00e4yt\u00e4 sen sijaan veneen upokkaita materiaalien s\u00e4ilytt\u00e4miseen.<\/p>\n\n\n\n On v\u00e4ltt\u00e4m\u00e4t\u00f6nt\u00e4 asettaa alumiinioksidiuunin tulpat putkeen l\u00e4mmityksen aikana, kaksi kummallekin puolelle, yhteens\u00e4 nelj\u00e4. Kahden sisimm\u00e4isen tulpan v\u00e4lisen et\u00e4isyyden tulee olla noin 450 mm. T\u00e4m\u00e4 asetus est\u00e4\u00e4 liiallisia l\u00e4mp\u00f6tiloja putken p\u00e4iss\u00e4, suojaa laippojen O-renkaita vaurioilta ja varmistaa kaasutiiviyden. N\u00e4iden tulppien sijoittaminen edist\u00e4\u00e4 tasaisen l\u00e4mp\u00f6kent\u00e4n saavuttamista uunissa.<\/p>\n\n\n\n Kvartsiputket<\/a>\u2018 l\u00e4mp\u00f6tilankest\u00e4vyys on suoraan yhteydess\u00e4 niiden puhtauteen. Korkeampi puhtausaste johtaa parempaan l\u00e4mp\u00f6tilankest\u00e4vyyteen, jolloin materiaali soveltuu paremmin korkean l\u00e4mp\u00f6tilan sovelluksiin.<\/p>\n\n\n\n N\u00e4iden ohjeiden noudattaminen voi parantaa merkitt\u00e4v\u00e4sti kvartsiputkien suorituskyky\u00e4 ja pitk\u00e4ik\u00e4isyytt\u00e4 laboratoriomuhveliuuneissa, mik\u00e4 varmistaa turvallisuuden ja tehokkuuden korkean l\u00e4mp\u00f6tilan kokeissa ja prosesseissa.<\/p>\n\n\n\n Lis\u00e4tietoja tuotteistamme ja siit\u00e4, kuinka voimme tukea laboratorio- tai teollisuustarpeitasi, on osoitteessa verkkosivusto<\/a> tai ota meihin yhteytt\u00e4<\/a> suoraan osoitteessa contact@globalquartztube.com<\/a>.<\/p>","protected":false},"excerpt":{"rendered":" Quartz tubes play a crucial role in the functioning of tube furnaces, often employed in various laboratory settings. Here are some guidelines for their application and maintenance: 1. Hydrogen Gas Precautions It is generally advised not to use hydrogen gas in tube furnaces due to explosion risks, except at concentrations outside the explosive limits. If […]<\/p>\n","protected":false},"author":3,"featured_media":2204,"comment_status":"closed","ping_status":"open","sticky":false,"template":"elementor_theme","format":"standard","meta":{"_seopress_robots_primary_cat":"none","_seopress_titles_title":"Utilization and Maintenance of Quartz Tubes in Laboratory Muffle Furnaces","_seopress_titles_desc":"Guidance on the proper utilization and maintenance of quartz tubes within laboratory muffle furnaces, covering safety with hydrogen and temperature limits.","_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":[13],"class_list":["post-2141","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized","author-casper-peng"],"uagb_featured_image_src":{"full":["https:\/\/globalquartztube.com\/wp-content\/uploads\/2024\/04\/laboratory-muffle-furnace-with-a-quartz-tube.webp",1024,1024,false],"thumbnail":["https:\/\/globalquartztube.com\/wp-content\/uploads\/2024\/04\/laboratory-muffle-furnace-with-a-quartz-tube-150x150.webp",150,150,true],"medium":["https:\/\/globalquartztube.com\/wp-content\/uploads\/2024\/04\/laboratory-muffle-furnace-with-a-quartz-tube-300x300.webp",300,300,true],"medium_large":["https:\/\/globalquartztube.com\/wp-content\/uploads\/2024\/04\/laboratory-muffle-furnace-with-a-quartz-tube-768x768.webp",768,768,true],"large":["https:\/\/globalquartztube.com\/wp-content\/uploads\/2024\/04\/laboratory-muffle-furnace-with-a-quartz-tube.webp",1024,1024,false],"1536x1536":["https:\/\/globalquartztube.com\/wp-content\/uploads\/2024\/04\/laboratory-muffle-furnace-with-a-quartz-tube.webp",1024,1024,false],"2048x2048":["https:\/\/globalquartztube.com\/wp-content\/uploads\/2024\/04\/laboratory-muffle-furnace-with-a-quartz-tube.webp",1024,1024,false],"trp-custom-language-flag":["https:\/\/globalquartztube.com\/wp-content\/uploads\/2024\/04\/laboratory-muffle-furnace-with-a-quartz-tube.webp",12,12,false]},"uagb_author_info":{"display_name":"Peng, Casper","author_link":"https:\/\/globalquartztube.com\/fi\/author\/casper-peng\/"},"uagb_comment_info":0,"uagb_excerpt":"Quartz tubes play a crucial role in the functioning of tube furnaces, often employed in various laboratory settings. Here are some guidelines for their application and maintenance: 1. Hydrogen Gas Precautions It is generally advised not to use hydrogen gas in tube furnaces due to explosion risks, except at concentrations outside the explosive limits. If…","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\/fi\/wp-json\/wp\/v2\/posts\/2141","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/globalquartztube.com\/fi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/globalquartztube.com\/fi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/globalquartztube.com\/fi\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/globalquartztube.com\/fi\/wp-json\/wp\/v2\/comments?post=2141"}],"version-history":[{"count":4,"href":"https:\/\/globalquartztube.com\/fi\/wp-json\/wp\/v2\/posts\/2141\/revisions"}],"predecessor-version":[{"id":4177,"href":"https:\/\/globalquartztube.com\/fi\/wp-json\/wp\/v2\/posts\/2141\/revisions\/4177"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/globalquartztube.com\/fi\/wp-json\/wp\/v2\/media\/2204"}],"wp:attachment":[{"href":"https:\/\/globalquartztube.com\/fi\/wp-json\/wp\/v2\/media?parent=2141"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/globalquartztube.com\/fi\/wp-json\/wp\/v2\/categories?post=2141"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/globalquartztube.com\/fi\/wp-json\/wp\/v2\/tags?post=2141"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/globalquartztube.com\/fi\/wp-json\/wp\/v2\/ppma_author?post=2141"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}1. Vetykaasua koskevat varotoimet<\/strong><\/h2><\/div>\n\n\n\n
2. Pehmenemispisteen tietoisuus<\/strong><\/h2><\/div>\n\n\n\n
3. L\u00e4mm\u00f6n jakautuminen<\/strong><\/h2><\/div>\n\n\n\n
4. Siisteys ja materiaalink\u00e4sittely<\/strong><\/h2><\/div>\n\n\n\n
5. Alumiinioksidiuunin tulppien k\u00e4ytt\u00f6<\/strong><\/h2><\/div>\n\n\n\n
6. L\u00e4mp\u00f6tilankest\u00e4vyys ja puhtaus<\/strong><\/h2><\/div>\n\n\n\n