{"id":47097,"date":"2025-04-08T04:18:49","date_gmt":"2025-04-08T04:18:49","guid":{"rendered":"https:\/\/www.elgi.com\/eu\/air-compressor-resources\/46834\/"},"modified":"2025-06-18T09:29:04","modified_gmt":"2025-06-18T09:29:04","slug":"how-to-save-energy-in-an-air-compressor-plant-with-energy-saving-cyclic-refrigeration-dryer","status":"publish","type":"resource","link":"https:\/\/www.elgi.com\/eu\/fr\/air-compressor-resources\/how-to-save-energy-in-an-air-compressor-plant-with-energy-saving-cyclic-refrigeration-dryer\/","title":{"rendered":"Comment \u00e9conomiser de l\u2019\u00e9nergie dans une usine de compresseurs d\u2019air avec s\u00e9cheur frigorifique cyclique \u00e0 \u00e9conomie d\u2019\u00e9nergie ?"},"content":{"rendered":"<div class=\"supporting-text\">\r\n  <p><strong>Besoin d&rsquo;un s\u00e9cheur<\/strong><\/p>\r\n<p>Lorsque l&rsquo;air atmosph\u00e9rique contenant de l&rsquo;humidit\u00e9, des particules contaminantes et de l&rsquo;huile est comprim\u00e9, la concentration de ces particules et de l&rsquo;humidit\u00e9 augmente de 6 \u00e0 10 fois. D&rsquo;autres contaminants comme l&rsquo;huile et les traces de m\u00e9tal s&rsquo;ajoutent au cours du processus de compression avec le compresseur d&rsquo;air.<\/p>\r\n<p>Lorsque l&rsquo;air comprim\u00e9 se refroidit, la vapeur d&rsquo;eau (humidit\u00e9) se pr\u00e9cipite sous forme de condensat, qui doit \u00eatre \u00e9limin\u00e9 du syst\u00e8me d&rsquo;air comprim\u00e9. Le s\u00e9chage de l&rsquo;air comprim\u00e9 est une \u00e9tape importante du processus de traitement de l&rsquo;air. <\/p>\r\n<p>Listons les probl\u00e8mes r\u00e9sultant de la pr\u00e9sence d&rsquo;humidit\u00e9 dans l&rsquo;air comprim\u00e9 :<\/p>\r\n<ul>\r\n<li>Cela endommage et provoque le dysfonctionnement d&rsquo;\u00e9quipements et d&rsquo;instruments pneumatiques<\/li>\r\n<li>L\u2019humidit\u00e9 corrode les conduites d&rsquo;air comprim\u00e9, provoquant des fuites et ajoutant des impuret\u00e9s \u00e0 l&rsquo;air<\/li>\r\n<li>Enfin l\u2019humidit\u00e9 entra\u00eene la d\u00e9gradation de la qualit\u00e9 des produits et la croissance des contaminants microbiologiques lorsque l&rsquo;air entre en contact direct avec le produit final, comme les aliments, les m\u00e9dicaments, les produits chimiques, etc.<\/li>\r\n<\/ul>\r\n<br>\r\n<p>Un s\u00e9cheur r\u00e9duit le taux d&rsquo;humidit\u00e9, \u00e9vite la condensation dans la tuyauterie et constitue donc un accessoire id\u00e9al qui peut \u00eatre utilis\u00e9 pour un large \u00e9ventail d&rsquo;applications. <\/p>\r\n<p>Selon la norme internationale ISO 8573-1:2010, les contaminants de l&rsquo;air comprim\u00e9 tels que les particules, l&rsquo;eau et l&rsquo;huile sont s\u00e9par\u00e9s selon les classes de puret\u00e9. Dans cette norme, les micro-organismes et autres gaz ne sont pas inclus. En cons\u00e9quence, la puret\u00e9 de l&rsquo;air est indiqu\u00e9e par [P, W, O] et est ordonn\u00e9e en fonction du nombre de particules, d&rsquo;eau et d&rsquo;huile.<\/p>\r\n<img decoding=\"async\" src=\"https:\/\/www.elgi.com\/eu\/wp-content\/uploads\/2023\/01\/energy-saving-blog-2023-2.jpg\" class=\"img-fluid\">\r\n<br>\r\n<p>En fonction des besoins de l&rsquo;application, la vapeur d&rsquo;eau doit \u00eatre \u00e9limin\u00e9e de l&rsquo;air comprim\u00e9 en utilisant un s\u00e9cheur appropri\u00e9<\/p>\r\n<ul>\r\n<li>Avec un s\u00e9cheur d&rsquo;air frigorifique, on peut atteindre les classes 4,5,6 de vapeur d&rsquo;eau, c&rsquo;est-\u00e0-dire la norme ISO 8573-1:2010 [- : 4 :-]<\/li>\r\n<li>Avec un s\u00e9cheur d&rsquo;air par adsorption, on peut atteindre les classes 1,2,3 de vapeur d&rsquo;eau, c&rsquo;est-\u00e0-dire ISO 8573-1:2010 [-: 1 :-]<\/li>\r\n<\/ul>\r\n\r\n<h4 class=\"pb-1\"><strong>Comment \u00e9liminer l&rsquo;humidit\u00e9 ?<\/strong><\/h4>\r\n<p>Le sch\u00e9ma type d&rsquo;installation recommand\u00e9e pour tout type de s\u00e9cheur est indiqu\u00e9e ci-dessous. <\/p>\r\n\r\n<img decoding=\"async\" src=\"https:\/\/www.elgi.com\/eu\/wp-content\/uploads\/2023\/01\/energy-saving-blog-2023-img-2.jpg\" class=\"img-fluid\">\r\n<p><strong>Les s\u00e9parateurs d&rsquo;humidit\u00e9<\/strong> permettent d&rsquo;\u00e9liminer l&rsquo;eau liquide de l&rsquo;air comprim\u00e9. Il est obligatoire de disposer d&rsquo;un purgeur automatique appropri\u00e9 avec le s\u00e9parateur d&rsquo;humidit\u00e9, car ce dernier est surtout utilis\u00e9 apr\u00e8s le refroidisseur. L&rsquo;\u00e9limination optimale du condensat permet d&rsquo;\u00e9viter que l&rsquo;eau liquide ne se d\u00e9verse dans l&rsquo;\u00e9quipement en aval. Il est recommand\u00e9 d&rsquo;utiliser un purgeur sans perte d\u2019air et un s\u00e9parateur d&rsquo;humidit\u00e9 pour r\u00e9aliser cette op\u00e9ration avec une perte d&rsquo;air minimale.<\/p>\r\n<p><strong>Le r\u00e9servoir d\u2019air humide<\/strong> (avant le s\u00e9cheur) agit comme un \u00e9changeur de chaleur, refroidissant l&rsquo;air et condensant ainsi l&rsquo;humidit\u00e9 en eau liquide avant qu&rsquo;elle n&rsquo;atteigne le s\u00e9cheur. L&rsquo;eau doit \u00eatre purg\u00e9e par le fond du r\u00e9servoir avec un purgeur appropri\u00e9. En retirant une partie de l&rsquo;humidit\u00e9 au pr\u00e9alable, le r\u00e9servoir d&rsquo;air humide r\u00e9duit la charge sur le s\u00e9cheur d&rsquo;air. Cela est vrai pour tout type de s\u00e9cheur, qu&rsquo;il s&rsquo;agisse d&rsquo;un s\u00e9cheur d&rsquo;air frigorifique ou d&rsquo;un s\u00e9cheur par adsorption.<\/p>\r\n<p>Pour vos besoins en mati\u00e8re de qualit\u00e9 de l&rsquo;air de classes 4, 5 et 6, vous pouvez choisir le s\u00e9cheur frigorifique.<\/p>\r\n<p><strong>Les s\u00e9cheurs frigorifiques<\/strong> se divisent en deux types<\/p>\r\n<ul>\r\n    <li>S\u00e9cheur frigorifique \u00e0 d\u00e9tente directe (non cyclique)<\/li>\r\n    <li>S\u00e9cheur frigorifique \u00e0 \u00e9conomie d&rsquo;\u00e9nergie (cyclique) <\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<h4 class=\"pb-1\"><strong>S\u00e9cheur frigorifique non cyclique<\/strong><\/h4>\r\n<p>Les s\u00e9cheurs d&rsquo;air frigorifiques \u00e0 d\u00e9tente directe sont dot\u00e9s de compresseurs de r\u00e9frig\u00e9ration qui d\u00e9marrent d\u00e8s que vous mettez le s\u00e9cheur en marche et qui ne s&rsquo;arr\u00eatent que lorsque vous l&rsquo;\u00e9teignez, sauf dans certaines situations exceptionnelles. Ils co\u00fbtent moins cher que les s\u00e9cheurs cycliques et constituent un bon choix pour les applications o\u00f9 ils fonctionneront constamment \u00e0 pleine capacit\u00e9.  <\/p>\r\n<p>Cependant, ils peuvent rencontrer des probl\u00e8mes pendant les p\u00e9riodes de faible utilisation de l&rsquo;air comprim\u00e9 ; il y a une possibilit\u00e9 de prise en gel, ce qui entra\u00eene la formation de glace endommageant le s\u00e9cheur. Pour \u00e9viter cela, les s\u00e9cheurs frigorifiques non cycliques sont \u00e9quip\u00e9s d&rsquo;une vanne de d\u00e9rivation des gaz chauds, qui renvoie la chaleur que le compresseur frigorifique rejetterait normalement dans l&rsquo;atmosph\u00e8re vers le c\u00f4t\u00e9 froid du syst\u00e8me pour l&#8217;emp\u00eacher de geler, ce qui permet au syst\u00e8me de rester stable et de fonctionner en continu.<\/p>\r\n\r\n    <h4 class=\"pb-1\"><strong>S\u00e9cheur cyclique \u2013 \u00c9conomise de l&rsquo;\u00e9nergie<\/strong><\/h4>\r\n<p>Le s\u00e9cheur cyclique \u00e0 \u00e9conomie d&rsquo;\u00e9nergie entre en action lorsqu&rsquo;il n&rsquo;y a pas de charge ou une charge partielle. Contrairement au s\u00e9cheur frigorifique \u00e0 d\u00e9tente directe, le s\u00e9cheur cyclique passe en mode ECO et s&rsquo;\u00e9teint, ce qui permet d&rsquo;\u00e9conomiser beaucoup d&rsquo;\u00e9nergie. <\/p>\r\n<p>Le s\u00e9cheur \u00e0 \u00e9conomie d&rsquo;\u00e9nergie peut aider \u00e0 r\u00e9duire la consommation d&rsquo;\u00e9nergie dans des situations telles que<\/p>\r\n<ul>\r\n    <li>Pendant les hivers\/nuits, lorsque la temp\u00e9rature du m\u00e9dia de refroidissement (air ou eau) est g\u00e9n\u00e9ralement plus basse que dans les conditions nominales, ce qui entra\u00eene une variation de la temp\u00e9rature de l&rsquo;air entrant\/ambiant dans le s\u00e9cheur et r\u00e9duit la charge du s\u00e9cheur<\/li>\r\n    <li>Lorsqu&rsquo;il est utilis\u00e9 avec un compresseur VFD et qu&rsquo;il fonctionne \u00e0 un d\u00e9bit inf\u00e9rieur, le s\u00e9cheur r\u00e9gule sa capacit\u00e9 en fonction de la charge du d\u00e9bit<\/li>\r\n    <li>Lors des fonctionnement hors charge d\u2019un compresseur \u00e0 vitesse fixe, le s\u00e9cheur passe \u00e9galement en mode ECO et \u00e9conomise de l&rsquo;\u00e9nergie<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<div class=\"row\">\r\n    <aside class=\"col-lg-6\">\r\n       <img decoding=\"async\" src=\"https:\/\/www.elgi.com\/eu\/wp-content\/uploads\/2023\/01\/non-cyclic-refridge-dryer-img-elgi-fr.jpg\" class=\"img-fluid\">\r\n    <\/aside>\r\n     <aside class=\"col-lg-6\">\r\n       <img decoding=\"async\" src=\"https:\/\/www.elgi.com\/eu\/wp-content\/uploads\/2023\/01\/cyclic-refridge-dryer-img-elgi-fr.jpg\" class=\"img-fluid\">\r\n    <\/aside>\r\n<\/div>\r\n<br>\r\n<p><strong>S\u00e9cheur frigorifique \u00e0 d\u00e9tente directe vs s\u00e9cheur frigorifique cyclique<\/strong><\/p>\r\n<div class=\"table-responsive\">\r\n<table class=\"table table-bordered table-striped\">\r\n  <tbody><tr>\r\n    <td><strong>Pi\u00e8ces d&rsquo;un s\u00e9cheur \u00e0 d\u00e9tente directe<\/strong><\/td>\r\n    <td><strong>Pi\u00e8ces d&rsquo;un s\u00e9cheur cyclique<\/strong><\/td>\r\n  <\/tr>\r\n  <tr>\r\n    <td>Compresseur frigorifique <\/td>\r\n    <td>Compresseur frigorifique <\/td>\r\n  <\/tr>\r\n  <tr>\r\n    <td>Condenseur <\/td>\r\n    <td>Condenseur <\/td>\r\n  <\/tr>\r\n  <tr>\r\n    <td>\u00c9changeur de chaleur en aluminium (air \u2013 fluide frigorig\u00e8ne) <\/td>\r\n    <td>\u00c9changeur de chaleur en aluminium (air-glycol)<\/td>\r\n  <\/tr>\r\n  <tr>\r\n    <td>Contr\u00f4leur \u00e9lectronique <\/td>\r\n    <td>\u00c9changeur de chaleur Inox (Glycol \u2013 fluide    frigorig\u00e8ne) <\/td>\r\n  <\/tr>\r\n  <tr>\r\n    <td>Purgeur temporis\u00e9e \/ Purgeur sans perte <\/td>\r\n    <td>R\u00e9servoir de glycol<\/td>\r\n  <\/tr>\r\n  <tr>\r\n    <td>&nbsp;<\/td>\r\n    <td>Pompe pour Glycol<\/td>\r\n  <\/tr>\r\n  <tr>\r\n    <td>&nbsp;<\/td>\r\n    <td>Contr\u00f4leur    \u00e9lectronique <\/td>\r\n  <\/tr>\r\n  <tr>\r\n    <td>&nbsp;<\/td>\r\n    <td>Pr\u00e9-filtre    et filtre \u00e0 particules fines <\/td>\r\n  <\/tr>\r\n  <tr>\r\n    <td>&nbsp;<\/td>\r\n    <td>Purge sans perte <\/td>\r\n  <\/tr>\r\n<\/tbody><\/table>\r\n<\/div>\r\n<p>L&rsquo;<strong>avantage<\/strong> du s\u00e9cheur frigorifique Premium Airmate (s\u00e9cheur frigorifique cyclique \u00e0 \u00e9conomie d&rsquo;\u00e9nergie) d&rsquo;ELGi est qu\u2019il r\u00e9duit la consommation \u00e9nerg\u00e9tique gr\u00e2ce \u00e0 l&rsquo;utilisation du circuit d&rsquo;\u00e9conomie d&rsquo;\u00e9nergie ; ce circuit emmagasine l&rsquo;\u00e9nergie n\u00e9cessaire au refroidissement pendant le fonctionnement r\u00e9gulier et restitue cette \u00e9nergie en mode ECO pour s\u00e9cher l&rsquo;air en cas de charge partielle afin de maintenir le point de ros\u00e9e souhait\u00e9. En mode ECO, les moteurs du s\u00e9cheur, du compresseur et du ventilateur sont \u00e9teints pour r\u00e9aliser des \u00e9conomies d&rsquo;\u00e9nergie.<\/p>\r\n<p>Le graphique ci-dessous repr\u00e9sente les \u00e9conomies en hiver \u00e0 diff\u00e9rentes charges pour un s\u00e9cheur frigorifique cyclique \u00e0 \u00e9conomie d&rsquo;\u00e9nergie en comparaison avec un s\u00e9cheur frigorifique \u00e0 d\u00e9tente directe. La repr\u00e9sentation tient compte d\u2019une diff\u00e9rence de temp\u00e9rature de 15\u00b0 C entre les conditions d&rsquo;\u00e9t\u00e9 et d&rsquo;hiver\/nuit<\/p>\r\n<img decoding=\"async\" src=\"https:\/\/www.elgi.com\/eu\/wp-content\/uploads\/2023\/01\/energy-saving-blog-2023-4-2-fr.jpg\" class=\"img-fluid\">\r\n<p>&nbsp;<\/p>\r\n<img decoding=\"async\" src=\"https:\/\/www.elgi.com\/eu\/wp-content\/uploads\/2023\/01\/energy-saving-blog-2023-5-fr.jpg\" class=\"img-fluid\">\r\n<p><strong>Jusqu&rsquo;\u00e0 60 % d&rsquo;\u00e9conomies d&rsquo;\u00e9nergie avec les s\u00e9cheurs frigorifiques AR Premium*<\/strong><\/p>\r\n<p>* En fonction du s\u00e9cheur s\u00e9lectionn\u00e9 et de ses conditions de fonctionnement<\/p>\r\n<h4 class=\"pb-1\"><strong>Conditions pour l&rsquo;illustration ci-dessus &#8211; <\/strong> <\/h4>\r\n<p>S\u00e9cheur s\u00e9lectionn\u00e9 : AR 2990P pour un d\u00e9bit de 2720 m3\/hr \u00e0 une temp\u00e9rature ambiante de 40 \u00b0C, une temp\u00e9rature d&rsquo;entr\u00e9e de 50 \u00b0C et une pression de fonctionnement de 7 bar.<\/p>\r\n<p>Les conditions d&rsquo;hiver\/nuit sont une temp\u00e9rature ambiante de 20 \u00b0C, une temp\u00e9rature d&rsquo;entr\u00e9e de 30 \u00b0C ; 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