<\/p>\n\n\n\n
Kvar\u010dne cevi<\/a> imajo klju\u010dno vlogo pri delovanju cevnih pe\u010di, ki se pogosto uporabljajo v razli\u010dnih laboratorijih. Tukaj je nekaj smernic za njihovo uporabo in vzdr\u017eevanje:<\/p>\n\n\n\n Na splo\u0161no se odsvetuje uporaba vodikovega plina v cevnih pe\u010deh zaradi nevarnosti eksplozije, razen pri koncentracijah zunaj meja eksplozivnosti. \u010ce je uporaba vodikovega plina nujna, je treba sprejeti ustrezne varnostne ukrepe. Poskrbite, da med pretokom plina nih\u010de ne stoji na obeh koncih cevi. Za vodikov plin je treba uporabiti cevi iz nerjave\u010dega jekla, ki imajo vi\u0161jo toplotno prevodnost kot kremen, da je potrebno vodno hlajenje na obeh koncih, da se prepre\u010di pregrevanje in odpoved O-tesnila.<\/p>\n\n\n\n Kvar\u010dne cevi<\/a>\u2018 temperatura meh\u010danja je pribli\u017eno 1270 \u00b0C. Da bi se izognili deformacijam ali po\u0161kodbam, je priporo\u010dljivo, da temperatura ne prese\u017ee 1200 \u00b0C za ve\u010d kot 3 ure.<\/p>\n\n\n\n Pri segrevanju vedno postavite kerami\u010dne \u010depe v notranjost cevi, da zagotovite enakomerno porazdelitev temperature. Brez teh \u010depov bi lahko temperatura na koncih cevi postala previsoka, kar bi ogrozilo O-tesnila v prirobnicah in vplivalo na tesnost plina. Postavitev \u010depov pe\u010di prav tako omogo\u010da enotno toplotno polje v pe\u010di.<\/p>\n\n\n\n Bistveno je, da je notranjost cevi pe\u010di \u010dista. Pri obdelavi materialov, da bi podalj\u0161ali \u017eivljenjsko dobo kremenova cev<\/a>, jih ne postavljajte neposredno na cev. Namesto tega uporabite lon\u010dke za \u010dolne, v katerih so shranjeni materiali.<\/p>\n\n\n\n Nujno je, da med segrevanjem v cev vstavite \u010depke pe\u010di iz aluminijevega oksida, po dva na vsaki strani, skupaj \u0161tiri. Razdalja med dvema najbolj notranjima \u010depoma naj bo pribli\u017eno 450 mm. Ta nastavitev prepre\u010duje previsoke temperature na koncih cevi, \u0161\u010diti O-tesnila v prirobnicah pred po\u0161kodbami in zagotavlja tesnost za plin. Namestitev teh \u010depov prispeva k doseganju enakomernega toplotnega polja v pe\u010di.<\/p>\n\n\n\n Kvar\u010dne cevi<\/a>\u2018 temperaturna odpornost je neposredno povezana z njihovo \u010distostjo. Vi\u0161ja stopnja \u010distosti pomeni ve\u010djo temperaturno odpornost, zato je material primernej\u0161i za uporabo pri visokih temperaturah.<\/p>\n\n\n\n Upo\u0161tevanje teh smernic lahko znatno pove\u010da u\u010dinkovitost in dolgo \u017eivljenjsko dobo kremen\u010devih cevi v laboratorijskih muflnih pe\u010deh, kar zagotavlja varnost in u\u010dinkovitost pri visokotemperaturnih poskusih in procesih.<\/p>\n\n\n\n Za ve\u010d informacij o na\u0161ih izdelkih in o tem, kako lahko podpremo va\u0161e laboratorijske ali industrijske potrebe, obi\u0161\u010dite na\u0161o Spletna stran<\/a> oz kontaktiraj nas<\/a> neposredno pri 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":"open","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\/sl\/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\/sl\/wp-json\/wp\/v2\/posts\/2141","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/globalquartztube.com\/sl\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/globalquartztube.com\/sl\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/globalquartztube.com\/sl\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/globalquartztube.com\/sl\/wp-json\/wp\/v2\/comments?post=2141"}],"version-history":[{"count":4,"href":"https:\/\/globalquartztube.com\/sl\/wp-json\/wp\/v2\/posts\/2141\/revisions"}],"predecessor-version":[{"id":4177,"href":"https:\/\/globalquartztube.com\/sl\/wp-json\/wp\/v2\/posts\/2141\/revisions\/4177"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/globalquartztube.com\/sl\/wp-json\/wp\/v2\/media\/2204"}],"wp:attachment":[{"href":"https:\/\/globalquartztube.com\/sl\/wp-json\/wp\/v2\/media?parent=2141"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/globalquartztube.com\/sl\/wp-json\/wp\/v2\/categories?post=2141"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/globalquartztube.com\/sl\/wp-json\/wp\/v2\/tags?post=2141"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/globalquartztube.com\/sl\/wp-json\/wp\/v2\/ppma_author?post=2141"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}1. Varnostni ukrepi za plin vodik<\/strong><\/h2><\/div>\n\n\n\n
2. Zavedanje meh\u010dalne to\u010dke<\/strong><\/h2><\/div>\n\n\n\n
3. Distribucija toplote<\/strong><\/h2><\/div>\n\n\n\n
4. \u010cisto\u010da in ravnanje z materialom<\/strong><\/h2><\/div>\n\n\n\n
5. Uporaba \u010depov za pe\u010d iz aluminijevega oksida<\/strong><\/h2><\/div>\n\n\n\n
6. Temperaturna odpornost in \u010distost<\/strong><\/h2><\/div>\n\n\n\n