{"id":4011,"date":"2013-02-11T10:26:08","date_gmt":"2013-02-11T08:26:08","guid":{"rendered":"https:\/\/www.tempco.it\/blog\/?p=4011"},"modified":"2013-02-11T10:27:31","modified_gmt":"2013-02-11T08:27:31","slug":"scambiatori-con-acqua-di-mare","status":"publish","type":"post","link":"https:\/\/www.tempco.it\/blog\/4011\/scambiatori-con-acqua-di-mare\/","title":{"rendered":"Scambiatori con acqua di mare"},"content":{"rendered":"<p>Si tratta di un argomento relativo agli <a href=\"http:\/\/www.tempco.it\/soluzioni\/scambiatori-calore\/\" target=\"_blank\">scambiatori di calore<\/a>, che ogni tanto torniamo ad affrontare e lo facciamo volentieri, in quanto merita di essere riproposto.<\/p>\n<p>Gi\u00e0 in passato avevamo approfondito la questione con un <a href=\"https:\/\/www.tempco.it\/blog\/1189\/resistenza-alla-corrosione-da-cloruri\/\" target=\"_blank\">articolo dedicato<\/a>.<\/p>\n<p style=\"text-align: center\"><a href=\"https:\/\/www.tempco.it\/blog\/wp-content\/uploads\/2013\/02\/titanium-plate-heat-exchangers.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-thumbnail wp-image-4012\" alt=\"titanium plate heat exchangers\" src=\"https:\/\/www.tempco.it\/blog\/wp-content\/uploads\/2013\/02\/titanium-plate-heat-exchangers-150x150.jpg\" width=\"150\" height=\"150\" \/><\/a><!--more--><\/p>\n<p style=\"text-align: left\">La convinzione piuttosto generalizzata \u00e8 che con acqua di mare possa andare bene l&#8217;acciaio inossidabile, in quanto lo si trova largamente impiegato nelle costruzioni di imbarcazioni, a livello di accessori ed infrastrutture.<\/p>\n<p style=\"text-align: left\">In effetti l&#8217;acciaio inossidabile, ha una discreta resistenza, soprattutto se impiegato con spessori adeguati e per impieghi in atmosfera salmastra o salina.<\/p>\n<p style=\"text-align: left\">Nel caso di scambiatori di calore, vi \u00e8 intimo contatto con l&#8217;acqua mare, in modo continuativo.<\/p>\n<p style=\"text-align: left\"><strong>L&#8217;acqua mare ha un contenuto di cloruri molto elevato, che determina una corrosione veloce ed inarrestabile dell&#8217;acciaio inox, rendendolo di conseguenza NON IDONEO al suo impiego.<\/strong><\/p>\n<p style=\"text-align: left\">Le alternative a seconda della tipologia di scambiatore considerato, sono in pratica due:<\/p>\n<ul>\n<li>titanio per gli <a href=\"http:\/\/www.tempco.it\/soluzioni\/scambiatori-calore\/ispezionabili\/\" target=\"_blank\">scambiatori a piastre<\/a><\/li>\n<li>cupro-nickel per gli <a href=\"http:\/\/www.tempco.it\/soluzioni\/scambiatori-calore\/fascio-tubiero\/\" target=\"_blank\">scambiatori a fascio tubiero<\/a>.<\/li>\n<\/ul>\n<p><a href=\"https:\/\/www.tempco.it\/blog\/wp-content\/uploads\/2013\/02\/PIASTRA-CIECA-ROTTA-2_-foro-passante-lato-imbuto.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-thumbnail wp-image-4014\" alt=\"PIASTRA CIECA CORROSA DA CLORURI foro passante lato imbuto\" src=\"https:\/\/www.tempco.it\/blog\/wp-content\/uploads\/2013\/02\/PIASTRA-CIECA-ROTTA-2_-foro-passante-lato-imbuto-150x150.jpg\" width=\"150\" height=\"150\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: left\">Il nome titanio, potrebbe generare il timore di costi molto elevati.<\/p>\n<p style=\"text-align: left\">In effetti il titanio ha un costo pi\u00f9 alto rispetto all&#8217;acciaio inossidabile, ma rapportando uno scambiatore in titanio a piastre ad un pari caratteristiche termodinamiche, fascio tubiero in cupro-nickel, il risultato economico \u00e8 sorprendente.<\/p>\n<p style=\"text-align: center\">\n","protected":false},"excerpt":{"rendered":"<p>Si tratta di un argomento relativo agli scambiatori di calore, che ogni tanto torniamo ad affrontare e lo facciamo volentieri, [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[25,3,49,9],"tags":[],"class_list":["post-4011","post","type-post","status-publish","format-standard","hentry","category-corrosione","category-energia-termica","category-scambiatori-a-piastre","category-scambiatori-di-calore"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - 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