{"id":197431,"date":"2022-05-09T14:01:44","date_gmt":"2022-05-09T12:01:44","guid":{"rendered":"https:\/\/bandelin.com\/?p=197431"},"modified":"2025-11-27T14:54:37","modified_gmt":"2025-11-27T13:54:37","slug":"limpieza-por-ultrasonidos-de-valvulas-agricolas","status":"publish","type":"post","link":"https:\/\/bandelin.com\/es\/anwendungen\/ultraschall-reinigung-von-agr-ventilen\/","title":{"rendered":"Limpieza por ultrasonidos de las v\u00e1lvulas EGR"},"content":{"rendered":"<div class=\"product\"><div class=\"product\"><p>La v\u00e1lvula de recirculaci\u00f3n de gases de escape (EGR) se utiliza para reducir las emisiones de \u00f3xidos de nitr\u00f3geno (NOx) en todos los motores di\u00e9sel a partir de la norma de emisiones Euro 5. Esto se consigue recirculando los gases de escape calientes en el conducto de admisi\u00f3n del motor. Esto reduce la temperatura de combusti\u00f3n en el motor y disminuye la formaci\u00f3n de \u00f3xidos de nitr\u00f3geno.<\/p>\n<p>La principal desventaja de la recirculaci\u00f3n de los gases de escape es la vulnerabilidad t\u00e9cnica de la v\u00e1lvula EGR, que regula el suministro de gases de escape al flujo de aire de combusti\u00f3n. Los residuos de combustible como el holl\u00edn, la carbonilla y el aceite sin quemar entran en el tracto de admisi\u00f3n con la recirculaci\u00f3n de los gases de escape y pueden restringir la maniobrabilidad mec\u00e1nica de la v\u00e1lvula o atascar los codos de los tubos. El resultado es un mal funcionamiento de la v\u00e1lvula de recirculaci\u00f3n de gases de escape, lo que puede provocar una gran acumulaci\u00f3n de holl\u00edn, reducir el rendimiento del motor o da\u00f1arlo.<\/p>\n<p>Para evitar da\u00f1os graves en el motor, la v\u00e1lvula EGR debe limpiarse a tiempo. Los aditivos para combustible o los limpiadores en aerosol no pueden ayudar con las v\u00e1lvulas ya contaminadas debido a la incrustaci\u00f3n persistente y la v\u00e1lvula debe ser desmontada. Una limpieza eficaz y a fondo se realiza en el ba\u00f1o de ultrasonidos junto con un concentrado de limpieza adecuado. Dependiendo del grado de suciedad, se recomienda la eliminaci\u00f3n manual previa de los aglomerados gruesos de holl\u00edn con esp\u00e1tulas de pl\u00e1stico o madera. Tras una limpieza sin residuos, la v\u00e1lvula puede volver a utilizarse y se eliminan los elevados costes de sustituci\u00f3n.<\/p>\n<\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>Ein Abgasr\u00fcckf\u00fchrungs-Ventil (AGR) dient allen Dieselmotoren ab Euro-5-Abgasnorm zur Reduzierung der Stickoxidemissionen (NOx). Dies erfolgt durch die R\u00fcckf\u00fchrung von hei\u00dfen Abgasen in den Ansaugkanal des Motors. Dadurch wird die Verbrennungstemperatur im Motor gesenkt und die Stickoxidentstehung vermindert. Der gro\u00dfe Nachteil der Abgasr\u00fcckf\u00fchrung ist die technische Anf\u00e4lligkeit des AGR-Ventils, welches die Zuf\u00fchrung des Abgases in den [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":619564,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":true,"footnotes":""},"categories":[1891],"tags":[1913,1894,1909,1895,1955],"class_list":["post-197431","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-anwendungen","tag-industrie","tag-kfz","tag-metall","tag-reinigen","tag-wartung"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Ultraschall-Reinigung von AGR-Ventilen | BANDELIN electronic GmbH &amp; Co. 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