{"id":50345,"date":"2024-02-20T15:25:04","date_gmt":"2024-02-20T14:25:04","guid":{"rendered":"https:\/\/www.fiorentini-iberia.com\/experiencia\/proteccio-catodica\/proteccion-catodica-pasiva-y-activa\/"},"modified":"2024-03-14T13:04:29","modified_gmt":"2024-03-14T12:04:29","slug":"proteccio-catodica-passiva-i-activa","status":"publish","type":"page","link":"https:\/\/www.fiorentini-iberia.com\/ca\/experiencia\/proteccio-catodica\/proteccio-catodica-passiva-i-activa\/","title":{"rendered":"Protecci\u00f3 cat\u00f2dica passiva i activa"},"content":{"rendered":"\n<p>La <strong>protecci\u00f3 cat\u00f2dica<\/strong> \u00e9s una t\u00e8cnica de <strong>prevenci\u00f3 de la corrosi\u00f3 electrol\u00edtica<\/strong> que s&#8217;aplica als components met\u00e0l\u00b7lics que estan en contacte amb entorns conductors d&#8217;electricitat.<\/p>\n\n\n\n<p>B\u00e0sicament, consisteix a fer passar un corrent continu entre un el\u00e8ctrode -l&#8217;<strong>\u00e0node<\/strong>&#8211; i la superf\u00edcie del component que es vol protegir -el <strong>c\u00e0tode<\/strong>-. El corrent redueix el potencial el\u00e8ctric de la superf\u00edcie met\u00e0l\u00b7lica de manera que alenteix considerablement la corrosi\u00f3.<\/p>\n\n\n\n<p>Depenent de la tecnologia utilitzada, \u00e9s possible aplicar una <strong>protecci\u00f3 cat\u00f2dica passiva<\/strong> amb revestiments i inhibidors, o una <strong>protecci\u00f3 cat\u00f2dica activa<\/strong> mitjan\u00e7ant \u00e0nodes de sacrifici o corrent impr\u00e8s per a contrarestar les fallades i llacunes del revestiment causats durant la instal\u00b7laci\u00f3 o per deteriorament.<\/p>\n\n\n\n<p>Despr\u00e9s de la seva posada en servei, aquests sistemes han de ser supervisats per a avaluar la seva efic\u00e0cia i realitzar el manteniment necessari. Per a aix\u00f2, durant la fase de disseny es determinen els punts de mesurament de la protecci\u00f3 cat\u00f2dica en les xarxes de distribuci\u00f3, transport i emmagatzematge. Mitjan\u00e7ant l&#8217;adquisici\u00f3 dels potencials tub-terra de la canonada a protegir, es poden programar <strong>controls<\/strong> <strong>manuals<\/strong> en els punts de medici\u00f3. Aquests poden substituir-se o completar-se amb la instal\u00b7laci\u00f3 de <strong>dispositius electr\u00f2nics<\/strong> capa\u00e7os d&#8217;adquirir cont\u00ednuament els potencials i enviar-los a un centre de recollida de dades que <strong>analitza autom\u00e0ticament els par\u00e0metres i, en cas necessari, compleix les obligacions de telecontrol de la xarxa mitjan\u00e7ant senyals d&#8217;alarma que permeten identificar l&#8217;anomalia i resoldre-la r\u00e0pidament<\/strong>.<br>\u00a0<br>\u00a0<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"535\" src=\"https:\/\/www.fiorentini-iberia.com\/wp-content\/uploads\/2024\/03\/Expertise_ProtezioneCatodicaENG-EXPPAG-1024x535-CAT.jpg\" alt=\"\" class=\"wp-image-50347\" title=\"Cathodic protection applied to metal pipes\" srcset=\"https:\/\/www.fiorentini-iberia.com\/wp-content\/uploads\/2024\/03\/Expertise_ProtezioneCatodicaENG-EXPPAG-1024x535-CAT.jpg 1024w, https:\/\/www.fiorentini-iberia.com\/wp-content\/uploads\/2024\/03\/Expertise_ProtezioneCatodicaENG-EXPPAG-1024x535-CAT-300x157.jpg 300w, https:\/\/www.fiorentini-iberia.com\/wp-content\/uploads\/2024\/03\/Expertise_ProtezioneCatodicaENG-EXPPAG-1024x535-CAT-768x401.jpg 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n<p class=\"has-text-align-center has-black-color has-text-color has-link-color wp-elements-f12fbe7ef249d91a0ff2ae3658f20227\" style=\"font-size:16px\"><em><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-cyan-bluish-gray-color\">Protecci\u00f3 cat\u00f2dica aplicada a canonades met\u00e0l\u00b7liques<\/mark><\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Segons la tecnologia utilitzada, \u00e9s possible aplicar una protecci\u00f3 cat\u00f2dica passiva amb revestiments i inhibidors, o una protecci\u00f3 cat\u00f2dica activa mitjan\u00e7ant \u00e0nodes de sacrifici o corrent impr\u00e8s per a contrarestar les fallades i les llacunes del revestiment causats durant la instal\u00b7laci\u00f3 o per deterioraci\u00f3.<\/p>\n","protected":false},"author":15,"featured_media":0,"parent":50153,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"template-expertise-post.php","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"class_list":["post-50345","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - 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