{"id":1186,"date":"2023-08-17T09:35:24","date_gmt":"2023-08-17T08:35:24","guid":{"rendered":"https:\/\/www.belzona.nl\/?post_type=cases&#038;p=1186"},"modified":"2025-12-03T18:11:53","modified_gmt":"2025-12-03T17:11:53","slug":"refurbished-warmtewisselaar","status":"publish","type":"cas","link":"https:\/\/www.belzona.be\/fr\/cas\/refurbished-warmtewisselaar\/","title":{"rendered":"\u00c9changeur de chaleur remis \u00e0 neuf"},"content":{"rendered":"\n<p>Un \u00e9changeur de chaleur utilis\u00e9 dans une sucrerie pr\u00e9sentait une corrosion avanc\u00e9e ainsi qu\u2019une perte significative d\u2019\u00e9paisseur de paroi. Pour le remettre en \u00e9tat, une r\u00e9paration suivie d\u2019une protection durable \u00e9tait n\u00e9cessaire.<\/p>\n\n\n\n<p>La perte de mati\u00e8re a \u00e9t\u00e9 reconstruite \u00e0 l\u2019aide du composite Belzona 1511 (Super HT-Metal). Ce composite offre une excellente r\u00e9sistance \u00e0 la corrosion et \u00e0 de nombreux produits chimiques. L\u2019\u00e9changeur de chaleur remis en \u00e9tat n\u00e9cessitait ensuite une protection de surface performante. Un test du rev\u00eatement Belzona 1391S a \u00e9t\u00e9 r\u00e9alis\u00e9 sur un \u00e9chantillon afin d\u2019en \u00e9valuer les performances. L\u2019objectif \u00e9tait d\u2019identifier une solution offrant une protection durable contre la corrosion et l\u2019\u00e9rosion \u00e0 haute temp\u00e9rature.<\/p>\n\n\n\n<p>Les pi\u00e8ces en acier ont d\u2019abord \u00e9t\u00e9 sabl\u00e9es, puis lav\u00e9es \u00e0 deux reprises avec du Saltaway et de l\u2019eau d\u00e9min\u00e9ralis\u00e9e. Apr\u00e8s chaque nettoyage, la surface a \u00e9t\u00e9 s\u00e9ch\u00e9e \u00e0 l\u2019air. Apr\u00e8s chaque lavage, la surface a \u00e9t\u00e9 s\u00e9ch\u00e9e \u00e0 l&rsquo;air. Ce traitement a permis d\u2019obtenir des surfaces parfaitement pr\u00e9par\u00e9es pour l\u2019application du rev\u00eatement. Une fois le rev\u00eatement appliqu\u00e9, le temps de polym\u00e9risation a \u00e9t\u00e9 respect\u00e9.<\/p>\n\n\n\n<p>Deux ans plus tard, un contr\u00f4le a \u00e9t\u00e9 effectu\u00e9 sur l\u2019\u00e9chantillon de test. Celui-ci pr\u00e9sentait un \u00e9tat impeccable, sans signe de d\u00e9gradation. Constatant ces performances, le client a approuv\u00e9 l\u2019application du syst\u00e8me complet sur l\u2019ensemble de l\u2019\u00e9changeur de chaleur.<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" width=\"400\" height=\"270\" data-src=\"https:\/\/www.belzona.nl\/wp-content\/uploads\/sites\/4\/2023\/08\/1-1.png\" alt=\"\" class=\"wp-image-1191 lazyload\" style=\"--smush-placeholder-width: 400px; --smush-placeholder-aspect-ratio: 400\/270;width:406px;height:274px\" data-srcset=\"https:\/\/www.belzona.be\/fr\/wp-content\/uploads\/sites\/4\/2023\/08\/1-1.png 400w, https:\/\/www.belzona.be\/fr\/wp-content\/uploads\/sites\/4\/2023\/08\/1-1-300x203.png 300w\" data-sizes=\"(max-width: 400px) 100vw, 400px\" 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