{"id":318,"date":"2022-12-20T09:54:11","date_gmt":"2022-12-20T07:54:11","guid":{"rendered":"https:\/\/www.belzona.nl\/?post_type=cases&#038;p=318"},"modified":"2025-12-04T09:05:08","modified_gmt":"2025-12-04T08:05:08","slug":"wrapping-warmwatertank","status":"publish","type":"cas","link":"https:\/\/www.belzona.be\/fr\/cas\/wrapping-warmwatertank\/","title":{"rendered":"Enveloppement du r\u00e9servoir d\u2019eau chaude avec Belzona SuperWrap II"},"content":{"rendered":"\n<p>La fuite a \u00e9t\u00e9 r\u00e9par\u00e9e par l\u2019enveloppement du r\u00e9servoir d\u2019eau chaude, une solution temporaire efficace en attendant son remplacement pr\u00e9vu en fin d\u2019ann\u00e9e. Le ballon pr\u00e9sentait de multiples fuites dues \u00e0 une corrosion par piq\u00fbres interne. Les tentatives de resoudage avaient entra\u00een\u00e9 de nouvelles fuites apr\u00e8s quelques jours. L\u2019enveloppement composite Belzona SuperWrap II a permis de colmater les fuites existantes et d\u2019\u00e9viter toute nouvelle d\u00e9faillance.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Raisons d&rsquo;envelopper les r\u00e9servoirs d&rsquo;eau chaude<\/h2>\n\n\n\n<p>L\u2019inspection interne a r\u00e9v\u00e9l\u00e9 que la corrosion se concentrait principalement sur la calotte gauche et autour du trou d\u2019homme.<br><br><strong>Contraintes techniques du projet<\/strong><br>Un certain nombre d&rsquo;aspects ont d\u00fb \u00eatre pris en compte lors de la r\u00e9paration de la fuite du r\u00e9servoir d&rsquo;eau chaude :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Le r\u00e9servoir d&rsquo;eau chaude en acier au carbone \u00e9tait situ\u00e9 dans une pi\u00e8ce ferm\u00e9e.<\/li>\n\n\n\n<li>La paroi du r\u00e9servoir a atteint une temp\u00e9rature maximale de 50\u00b0C sous une pression de 5 bars.<\/li>\n\n\n\n<li>Les r\u00e9parations provisoires \u00e9taient inad\u00e9quates : plusieurs points ont \u00e9t\u00e9 soud\u00e9s, mais les points continuaient \u00e0 appara\u00eetre.<\/li>\n\n\n\n<li>Le client recherchait sp\u00e9cifiquement une m\u00e9thode de r\u00e9paration rapide et \u00e9conomiquement int\u00e9ressante.<\/li>\n\n\n\n<li>Le r\u00e9servoir devait \u00eatre remplac\u00e9 par un nouveau r\u00e9servoir d&rsquo;eau chaude \u00e0 la fin de l&rsquo;ann\u00e9e.<\/li>\n\n\n\n<li>Le r\u00e9servoir ne pouvait \u00eatre d\u00e9pressuris\u00e9 que le samedi pour effectuer les travaux de r\u00e9paration.<\/li>\n\n\n\n<li>Le compresseur devait \u00eatre install\u00e9 \u00e0 l&rsquo;ext\u00e9rieur du b\u00e2timent, \u00e0 +\/- 30 m\u00e8tres.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image alignwide size-full\"><img decoding=\"async\" width=\"512\" height=\"98\" data-src=\"https:\/\/www.belzona.nl\/wp-content\/uploads\/sites\/4\/2022\/12\/wrapping-tank-3.jpg\" alt=\"\" class=\"wp-image-599 lazyload\" title=\"Corrosie warmwatertank\" data-srcset=\"https:\/\/www.belzona.be\/fr\/wp-content\/uploads\/sites\/4\/2022\/12\/wrapping-tank-3.jpg 512w, https:\/\/www.belzona.be\/fr\/wp-content\/uploads\/sites\/4\/2022\/12\/wrapping-tank-3-300x57.jpg 300w, https:\/\/www.belzona.be\/fr\/wp-content\/uploads\/sites\/4\/2022\/12\/wrapping-tank-3-416x80.jpg 416w\" data-sizes=\"(max-width: 512px) 100vw, 512px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 512px; --smush-placeholder-aspect-ratio: 512\/98;\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><br>Recommandations pour l\u2019enveloppement du r\u00e9servoir d\u2019eau chaude<\/h2>\n\n\n\n<p>Les mesures ont montr\u00e9 que l\u2019enveloppement de la calotte gauche r\u00e9duirait le risque principal de fuite. Il a \u00e9galement \u00e9t\u00e9 recommand\u00e9 de retirer le trou d\u2019homme par d\u00e9coupe plasma. L\u2019ouverture a ensuite \u00e9t\u00e9 obtur\u00e9e par collage d\u2019une plaque avec Belzona 1111 Super Metal. L\u2019enveloppement du r\u00e9servoir constituait l\u2019\u00e9tape finale de la r\u00e9paration.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">M\u00e9thode d&rsquo;enveloppement du r\u00e9servoir d&rsquo;eau chaude<\/h2>\n\n\n\n<p>Le r\u00e9servoir d&rsquo;eau chaude ne pouvant \u00eatre d\u00e9pressuris\u00e9 que le samedi, le travail a \u00e9t\u00e9 r\u00e9parti sur le vendredi et le samedi. De cette mani\u00e8re, le calendrier de production serr\u00e9 du client a pu \u00eatre respect\u00e9. Le vendredi a \u00e9t\u00e9 principalement utilis\u00e9 pour les travaux pr\u00e9paratoires n\u00e9cessaires. Il s&rsquo;agissait notamment d&rsquo;installer l&rsquo;\u00e9quipement et l&rsquo;extraction, d&rsquo;ajuster la plaque \u00e0 coller, de prendre les mesures, de couper la fibre de carbone pour l&rsquo;enveloppe du r\u00e9servoir d&rsquo;eau chaude\u2026<\/p>\n\n\n\n<figure class=\"wp-block-image alignwide size-full\"><img decoding=\"async\" width=\"450\" height=\"112\" data-src=\"https:\/\/www.belzona.nl\/wp-content\/uploads\/sites\/4\/2023\/01\/wrapping-tank-2.jpg\" alt=\"\" class=\"wp-image-597 lazyload\" title=\"Reparatie warmwatertank\" data-srcset=\"https:\/\/www.belzona.be\/fr\/wp-content\/uploads\/sites\/4\/2023\/01\/wrapping-tank-2.jpg 450w, https:\/\/www.belzona.be\/fr\/wp-content\/uploads\/sites\/4\/2023\/01\/wrapping-tank-2-300x75.jpg 300w, https:\/\/www.belzona.be\/fr\/wp-content\/uploads\/sites\/4\/2023\/01\/wrapping-tank-2-416x104.jpg 416w\" data-sizes=\"(max-width: 450px) 100vw, 450px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 450px; --smush-placeholder-aspect-ratio: 450\/112;\" \/><\/figure>\n\n\n\n<p><br>La surface a \u00e9t\u00e9 pr\u00e9par\u00e9e sur 2,5 m\u00e8tres selon les sp\u00e9cifications Belzona et la norme SA 2,5, avec un profil de rugosit\u00e9 minimum de 75 microns. La plaque (env. 1000 x 1000 x 5 mm) a ensuite \u00e9t\u00e9 coll\u00e9e avec Belzona 1111 Super Metal. Les irr\u00e9gularit\u00e9s (soudures ext\u00e9rieures, anciennes r\u00e9parations, bords de la plaque) ont \u00e9t\u00e9 nivel\u00e9es afin d\u2019obtenir une surface uniforme pour l\u2019enveloppement.<br>L\u2019enveloppement composite a ensuite \u00e9t\u00e9 r\u00e9alis\u00e9 \u00e0 l\u2019aide d\u2019environ 8 mm de Belzona SuperWrap II, appliqu\u00e9s depuis la calotte sur une largeur d\u2019environ 1800 mm. Apr\u00e8s durcissement, les fuites ont \u00e9t\u00e9 \u00e9limin\u00e9es.<\/p>\n\n\n\n<figure class=\"wp-block-image alignwide size-full\"><img decoding=\"async\" width=\"519\" height=\"97\" data-src=\"https:\/\/www.belzona.nl\/wp-content\/uploads\/sites\/4\/2022\/12\/wrapping-tank.jpg\" alt=\"\" class=\"wp-image-596 lazyload\" title=\"Wrapping warm water tank\" data-srcset=\"https:\/\/www.belzona.be\/fr\/wp-content\/uploads\/sites\/4\/2022\/12\/wrapping-tank.jpg 519w, https:\/\/www.belzona.be\/fr\/wp-content\/uploads\/sites\/4\/2022\/12\/wrapping-tank-300x56.jpg 300w, https:\/\/www.belzona.be\/fr\/wp-content\/uploads\/sites\/4\/2022\/12\/wrapping-tank-416x78.jpg 416w\" data-sizes=\"(max-width: 519px) 100vw, 519px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 519px; --smush-placeholder-aspect-ratio: 519\/97;\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><br>L&rsquo;industrie<\/h2>\n\n\n\n<p>Industrie alimentaire, Belgique<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Produits utilis\u00e9s<\/h2>\n\n\n\n<p><a href=\"https:\/\/www.belzona.nl\/product\/1000-serie-vloeibaar-en-kneedbaar-metaal\/belzona-1111-vloeibaar-metaal\/\">Belzona 1111 Super Metal<\/a><br><a href=\"https:\/\/www.belzona.nl\/belzona-superwrap\">Belzona Superwrap II<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Entrepreneur<\/h2>\n\n\n\n<p>Perspect Contracting &amp; Services B.V.<\/p>\n\n\n<script>\nvar gform;gform||(document.addEventListener(\"gform_main_scripts_loaded\",function(){gform.scriptsLoaded=!0}),document.addEventListener(\"gform\/theme\/scripts_loaded\",function(){gform.themeScriptsLoaded=!0}),window.addEventListener(\"DOMContentLoaded\",function(){gform.domLoaded=!0}),gform={domLoaded:!1,scriptsLoaded:!1,themeScriptsLoaded:!1,isFormEditor:()=>\"function\"==typeof 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