{"id":203,"date":"2026-06-07T20:35:14","date_gmt":"2026-06-07T12:35:14","guid":{"rendered":"http:\/\/ceramicwashers.com\/?p=203"},"modified":"2026-06-07T20:35:14","modified_gmt":"2026-06-07T12:35:14","slug":"inslitheoir-alumanaim-an-t-abhar-a-thainig-slan-san-ait-a-raibh-an-ceirmeach-ag-cliseadh","status":"publish","type":"post","link":"https:\/\/ceramicwashers.com\/ga\/alumina-insulator-the-material-that-survived-where-porcelain-kept-failing\/","title":{"rendered":"Inslitheoir Al\u00famana: An t\u00c1bhar a Th\u00e1inig Sl\u00e1n san \u00c1it a raibh an Porcel\u00e1n ag Teip"},"content":{"rendered":"<div>\n<div>\n<p dir=\"auto\">I laethanta tosaigh leathnaithe m\u00f3r ar mhonarcha teileagraman ceirmeach, bh\u00ed fadhb lean\u00fanach roimh an bhfoireann innealt\u00f3ireachta. Bh\u00ed na leictreastacair ardvoltais a thacaigh leis na heilimint\u00ed t\u00e9imh laistigh de na h\u00e1tha rolla ag cliseadh ar r\u00e1ta scanr\u00fail. N\u00edor mhair na leictreastacair phoirceall\u00e1in bhunaidh ach idir 8 agus 14 mh\u00ed sular thosaigh siad ag scoilteadh n\u00f3 ag forbairt rian\u00fa dromchla, rud a d'fh\u00e1g go raibh fabhtanna leictreacha ann agus a chuir iallach ar dh\u00fanadh gan phlean. Ciallaigh gach teip go raibh t\u00e1irgeadh caillte agus go raibh athshol\u00e1thairt\u00ed \u00e9igeand\u00e1la costasacha de dh\u00edth. Tar \u00e9is triail a bhaint as roinnt gr\u00e1d poirceall\u00e1in \u00e9ags\u00fala gan aon fheabhas suntasach a bheith ann, bhearta\u00edomar t\u00e1st\u00e1il a dh\u00e9anamh ar 95 inslitheoir al\u00famanaim % ar na codanna oighinn c\u00e9anna.<\/p>\n<p dir=\"auto\">D\u00e9antar inslitheoir\u00ed al\u00famana as ocsa\u00edd al\u00famanaim shint\u00e9irithe, de ghn\u00e1th le h\u00edonacht idir 92 agus 99.5 faoin gc\u00e9ad. D\u00e1 airde an cion al\u00famana, is amhlaidh is fearr an teaglaim d'insli\u00fa leictreach, de neart meicni\u00fail, agus de fhriota\u00edocht in aghaidh teochta\u00ed arda. Foirm\u00edtear na codanna seo tr\u00ed bhr\u00fa tirim n\u00f3 br\u00fa ionannach agus losctar iad ag teochta\u00ed os cionn 1500 \u00b0C. Tugann an micristrucht\u00far dl\u00fath neart dea-leictreach den scoth d\u00f3ibh agus an cumas d\u00e9ile\u00e1il le timthriall\u00fa teirmeach a scriosfadh go leor ceirmeach eile.<\/p>\n<p dir=\"auto\"><strong>Compar\u00e1id Allamuigh a D'athraigh an Sonr\u00fach\u00e1n<\/strong><\/p>\n<p dir=\"auto\">Shuite\u00e1il muid tacair mheaitse\u00e1ilte de 95 inslitheoir al\u00famana agus poirceall\u00e1in ardghr\u00e1id % ar chriosanna comharsanacha den chliabh\u00e1n c\u00e9anna. D'oibrigh an d\u00e1 thacar faoi dh\u00e1la\u00ed comhionanna: seirbh\u00eds lean\u00fanach ag 1180\u20131220 \u00b0C le timthriall\u00fa teirmeach minic le linn t\u00faslascadh agus m\u00fachadh. Tar \u00e9is 24 m\u00ed, thaifeadamar na tortha\u00ed seo a leanas:<\/p>\n<ul dir=\"auto\">\n<li>Inslitheoir\u00ed poirceall\u00e1in: r\u00e1ta teipe 37 %. Ba iad scoilteadh \u00f3 bhuille teirmeach n\u00f3 rian\u00fa dromchla a ba ch\u00fais leis an gcuid is m\u00f3 de na teipeanna, rud a d'fh\u00e1g gur tharla splanc-aistri\u00fa. Ba \u00e9 11 mh\u00ed an me\u00e1n-r\u00e9 seirbh\u00edse sular cuireadh ina n-ionad iad. Tar \u00e9is d\u00edreach 6 mh\u00ed, bh\u00ed dam\u00e1iste sofheicthe don ghl\u00f3nra agus m\u00e9ad\u00fa ar an sruth sceite le feice\u00e1il ar roinnt aonad.<\/li>\n<li>95 inslitheoir\u00ed al\u00famana %: r\u00e1ta teipe 4 %. Ba de bharr bualadh meicni\u00fail le linn cothabh\u00e1la a tharla an bheag\u00e1n teipeanna, seachas meath an \u00e1bhair. Bh\u00ed an me\u00e1nsaol seirbh\u00edse n\u00edos m\u00f3 n\u00e1 28 m\u00ed, agus bh\u00ed go leor aonad f\u00f3s i riocht den scoth nuair a chr\u00edochna\u00edomar an triail. D'fhan an sruth sceite seasmhach, agus n\u00edor breathna\u00edodh aon rian\u00fa dromchla fi\u00fa tar \u00e9is timthriallta teirmeacha athdh\u00e9anta.<\/li>\n<\/ul>\n<p dir=\"auto\">Bh\u00ed an difr\u00edocht san am aga thar a bheith suntasach. N\u00edor theastaigh ach dh\u00e1 athr\u00fa sceidealta inslitheora ar na codanna \u00e1ith a raibh inslitheoir\u00ed al\u00famanaim feistithe orthu le linn na tr\u00e9imhse t\u00e1st\u00e1la, ach theastaigh 14 athshol\u00e1thar ar na codanna poirceall\u00e1in. Nuair a rinneamar an costas ioml\u00e1n a r\u00edomh, lena n-\u00e1ir\u00edtear t\u00e1irgeadh caillte, saothar ionada\u00edochta, agus p\u00e1irteanna sp\u00e1rtha, bh\u00ed costas in aghaidh na m\u00edosa oibri\u00fach\u00e1in 63 % n\u00edos \u00edsle ag na seachad\u00e1n al\u00famana, d'ainneoin a bpraghas ceannaigh tosaigh n\u00edos airde.<\/p>\n<p dir=\"auto\"><strong>C\u00e9n f\u00e1th a bhfeidhm\u00edonn Al\u00famana n\u00edos fearr i nd\u00e1la\u00ed d\u00fashl\u00e1nacha<\/strong><\/p>\n<p dir=\"auto\">B\u00edonn c\u00f3imheas leathnaithe teirmeach al\u00famana n\u00edos \u00edsle agus n\u00edos comhsheasmha\u00ed n\u00e1 mar a bh\u00edonn ag an gcuid is m\u00f3 de phoirceall\u00e1in, rud a laghda\u00edonn strus inmhe\u00e1nach le linn t\u00e9imh agus fuaraithe thapa. Cuid\u00edonn a infheidhmeacht teirmeach n\u00edos airde freisin le spota\u00ed teo log\u00e1nta a scaipeadh. Go leictreach, is iond\u00fail go mb\u00edonn neart dieleictreach os cionn 15 kV\/mm agus friota\u00edocht toirte i bhfad os cionn 10\u00b9\u2074 \u03a9\u00b7cm ag 95 % alumina ag teocht an tseomra, luachanna a fhanann cobhsa\u00ed ag teochta\u00ed arda ina dtosa\u00edonn porslin ag meath.<\/p>\n<p dir=\"auto\">I dtionscadal eile a bhain le heasl\u00e1ir ploc\u00f3ideanna spr\u00e9ach do innill gh\u00e1is thionscla\u00edocha, rinneamar compar\u00e1id idir al\u00famana 99 % agus corp steat\u00edte traidisi\u00fanta. Tar \u00e9is 8,000 uair an chloig d'oibri\u00fa lean\u00fanach ag buaictheochta\u00ed gar do 850 \u00b0C, n\u00edor l\u00e9irigh na heasraithigh al\u00famana aon laghd\u00fa intomhaiste ar an gfrithsheasmhacht inslithe, ach bh\u00ed micrith\u00e9agair forbartha ag na codanna steat\u00f3ite agus m\u00e9ad\u00fa 40 % ar an sreabhadh sceite. D'oibrigh na hinnill a raibh inslitheoir\u00ed al\u00famana\u00ed feistithe orthu freisin le n\u00edos l\u00fa m\u00edfh\u00edseanna agus theastaigh cothabh\u00e1il uathu n\u00edos infreagra\u00ed.<\/p>\n<p dir=\"auto\"><strong>M\u00e1chailt\u00ed Praitici\u00fala \u00f3 Shuite\u00e1lacha F\u00edoracha<\/strong><\/p>\n<p dir=\"auto\">N\u00ed g\u00e1 don chuid is m\u00f3 d'fheidhmchl\u00e1ir an ghr\u00e1d \u00edonachta is airde a bheith acu. I gc\u00e1s go leor \u00fas\u00e1id\u00ed i gcoirn\u00e9id agus i bhfoirn\u00e9is\u00ed, is \u00e9 al\u00famana 92\u201395 % a shol\u00e1thra\u00edonn an chothroma\u00edocht is fearr idir feidhm\u00edocht agus costas. Os cionn 1300 \u00b0C n\u00f3 in atmaisf\u00e9ir l\u00e1idre laghdaitheacha, b\u00edonn al\u00famana 99 % n\u00f3 fi\u00fa 99.5 % riachtanach. T\u00e1 al\u00famana\u00ed briosc, mar sin t\u00e1 s\u00e9 riachtanach \u00e9 a l\u00e1imhse\u00e1il go c\u00faramach le linn an tsuite\u00e1la \u2014 is f\u00e9idir le titim p\u00e1irte n\u00f3 toirtchasmh\u00f3imint mh\u00edchothrom a chur i bhfeidhm ar an gcrua-earra\u00ed feistithe scoilteanna folaithe a chruth\u00fa nach dtagann chun solais ach n\u00edos d\u00e9ana\u00ed le linn na seirbh\u00edse.<\/p>\n<p dir=\"auto\">De r\u00e9ir taith\u00ed, tagann na feabhsuithe is m\u00f3 nuair a dh\u00e9antar athbhreithni\u00fa ar an gc\u00f3ras taca\u00edochta ioml\u00e1n in \u00e9ineacht leis an \u00e1bhar inslithe. Is minic a fhadhann siad saol seirbh\u00edse n\u00edos m\u00f3 f\u00f3s tr\u00ed sp\u00e1s\u00e1il cheart, tr\u00ed sheachaint ar uala\u00ed pointe, agus tr\u00ed \u00fas\u00e1id a bhaint as gasca\u00ed n\u00f3 sprionga\u00ed sol\u00fabtha. T\u00e1 s\u00e9 t\u00e1bhachtach f\u00f3s cigireacht rialta a dh\u00e9anamh ar \u00e9illitheacht dromchla n\u00f3 ar dham\u00e1iste meicni\u00fail, c\u00e9 go mb\u00edonn i bhfad n\u00edos l\u00fa airde ag teast\u00e1il \u00f3 al\u00famana de ghn\u00e1th n\u00e1 \u00f3 phoirceall\u00e1n i dtimpeallachta\u00ed ardteochta.<\/p>\n<p dir=\"auto\">N\u00ed hiad inslitheoir\u00ed al\u00famana an rogha is saoire ar an margadh, ach i bhfeidhmchl\u00e1ir ina mb\u00edonn tionchar d\u00edreach ag an iontaofacht ar aschur t\u00e1irgeachta n\u00f3 ar sh\u00e1bh\u00e1ilteacht, is iond\u00fail go mb\u00edonn costas ioml\u00e1n \u00fain\u00e9ireachta n\u00edos \u00edsle ag baint leo. Is iad na monarchana a riana\u00edonn an saol seirbh\u00edse iarbh\u00edr agus na modhanna teipe seachas an praghas tosaigh amh\u00e1in a dh\u00e9anann caighde\u00e1n\u00fa ar al\u00famana don insli\u00fa leictreach is t\u00e1bhachta\u00ed d\u00e1 gcuid. Nuair a bh\u00edonn na coinn\u00edollacha ina n-\u00e1ir\u00edtear timthriall\u00fa teirmeach ar\u00eds agus ar\u00eds eile, ardvoltais, agus eatraimh seirbh\u00edse fada, t\u00e1 s\u00e9 cruthaithe ar\u00eds agus ar\u00eds eile ag al\u00famana gurb \u00e9 an t-\u00e1bhar \u00e9 a choinn\u00edonn c\u00f3rais ag feidhmi\u00fa in ionad a bheith ina ch\u00e9ad tinneas cinn cothabh\u00e1la eile.<\/p>\n<\/div>\n<div><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>In the early days of a large ceramic tile plant expansion, the engineering team faced a recurring problem. The high-voltage insulators supporting the heating elements inside the roller kilns were failing at an alarming rate. The original porcelain insulators lasted only 8 to 14 months before cracking or developing surface tracking, which caused electrical faults&hellip;&nbsp;<a href=\"https:\/\/ceramicwashers.com\/ga\/alumina-insulator-the-material-that-survived-where-porcelain-kept-failing\/\" class=\"\" rel=\"bookmark\">L\u00e9igh Tuilleadh \u00bb<span class=\"screen-reader-text\">Inslitheoir Al\u00famana: An t\u00c1bhar a Th\u00e1inig Sl\u00e1n san \u00c1it a raibh an Porcel\u00e1n ag Teip<\/span><\/a><\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"none","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"off","neve_meta_content_width":70,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","footnotes":""},"categories":[5],"tags":[],"class_list":["post-203","post","type-post","status-publish","format-standard","hentry","category-product"],"_links":{"self":[{"href":"https:\/\/ceramicwashers.com\/ga\/wp-json\/wp\/v2\/posts\/203","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ceramicwashers.com\/ga\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ceramicwashers.com\/ga\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ceramicwashers.com\/ga\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ceramicwashers.com\/ga\/wp-json\/wp\/v2\/comments?post=203"}],"version-history":[{"count":1,"href":"https:\/\/ceramicwashers.com\/ga\/wp-json\/wp\/v2\/posts\/203\/revisions"}],"predecessor-version":[{"id":206,"href":"https:\/\/ceramicwashers.com\/ga\/wp-json\/wp\/v2\/posts\/203\/revisions\/206"}],"wp:attachment":[{"href":"https:\/\/ceramicwashers.com\/ga\/wp-json\/wp\/v2\/media?parent=203"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ceramicwashers.com\/ga\/wp-json\/wp\/v2\/categories?post=203"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ceramicwashers.com\/ga\/wp-json\/wp\/v2\/tags?post=203"}],"curies":[{"name":"uill","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}