{"id":5434,"date":"2018-05-26T04:20:48","date_gmt":"2018-05-26T04:20:48","guid":{"rendered":"https:\/\/durathermcanada.ca\/entretien-des-fluides-grands-systemes\/"},"modified":"2025-08-28T15:09:56","modified_gmt":"2025-08-28T15:09:56","slug":"entretien-des-fluides-grands-systemes","status":"publish","type":"post","link":"https:\/\/durathermcanada.ca\/fr\/news\/entretien-des-fluides-grands-systemes\/","title":{"rendered":"Entretien des fluides : grands syst\u00e8mes"},"content":{"rendered":"[vc_row type=\u00a0\u00bbin_container\u00a0\u00bb full_screen_row_position=\u00a0\u00bbmiddle\u00a0\u00bb column_margin=\u00a0\u00bbdefault\u00a0\u00bb column_direction=\u00a0\u00bbdefault\u00a0\u00bb column_direction_tablet=\u00a0\u00bbdefault\u00a0\u00bb column_direction_phone=\u00a0\u00bbdefault\u00a0\u00bb scene_position=\u00a0\u00bbcenter\u00a0\u00bb text_color=\u00a0\u00bbdark\u00a0\u00bb text_align=\u00a0\u00bbleft\u00a0\u00bb row_border_radius=\u00a0\u00bbnone\u00a0\u00bb row_border_radius_applies=\u00a0\u00bbbg\u00a0\u00bb overflow=\u00a0\u00bbvisible\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3&Prime; gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb shape_divider_position=\u00a0\u00bbbottom\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb][vc_column column_padding=\u00a0\u00bbno-extra-padding\u00a0\u00bb column_padding_tablet=\u00a0\u00bbinherit\u00a0\u00bb column_padding_phone=\u00a0\u00bbinherit\u00a0\u00bb column_padding_position=\u00a0\u00bball\u00a0\u00bb column_element_direction_desktop=\u00a0\u00bbdefault\u00a0\u00bb column_element_spacing=\u00a0\u00bbdefault\u00a0\u00bb desktop_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb tablet_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb phone_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb background_color_opacity=\u00a0\u00bb1&Prime; background_hover_color_opacity=\u00a0\u00bb1&Prime; column_backdrop_filter=\u00a0\u00bbnone\u00a0\u00bb column_shadow=\u00a0\u00bbnone\u00a0\u00bb column_border_radius=\u00a0\u00bbnone\u00a0\u00bb column_link_target=\u00a0\u00bb_self\u00a0\u00bb column_position=\u00a0\u00bbdefault\u00a0\u00bb gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3&Prime; width=\u00a0\u00bb2\/3&Prime; tablet_width_inherit=\u00a0\u00bbdefault\u00a0\u00bb animation_type=\u00a0\u00bbdefault\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb border_type=\u00a0\u00bbsimple\u00a0\u00bb column_border_width=\u00a0\u00bbnone\u00a0\u00bb column_border_style=\u00a0\u00bbsolid\u00a0\u00bb][vc_column_text]<em>La maintenance est essentielle pour garantir le bon fonctionnement des \u00e9quipements, et les syst\u00e8mes de transfert thermique ne font pas exception. Dans la plupart des cas, les fluides peuvent \u00eatre consid\u00e9r\u00e9s comme ne n\u00e9cessitant aucune maintenance, mais les syst\u00e8mes doivent \u00eatre surveill\u00e9s et entretenus en cons\u00e9quence. Et bien s\u00fbr, il arrive un moment o\u00f9 vous devrez \u00e9galement envisager de changer le fluide.  <\/em><\/p>\n<p>Dans notre <a href=\"https:\/\/durathermcanada.ca\/fr\/news\/entretien-des-fluides-petits-systemes\/\">dernier article<\/a>, nous avons examin\u00e9 quelques conseils pour entretenir le fluide dans les petits syst\u00e8mes de transfert thermique. Cette fois-ci, nous allons nous int\u00e9resser \u00e0 certaines consid\u00e9rations particuli\u00e8res pour les grands syst\u00e8mes. <\/p>\n<p>Les grands syst\u00e8mes sont g\u00e9n\u00e9ralement mis en place et coordonn\u00e9s par une soci\u00e9t\u00e9 d&rsquo;ing\u00e9nierie. Ils sont g\u00e9n\u00e9ralement chauff\u00e9s par une chaudi\u00e8re \u00e0 gaz ou \u00e0 mazout et assembl\u00e9s \u00e0 partir de plusieurs sources : l&rsquo;une alimente la chaudi\u00e8re, une autre peut alimenter la pompe et il peut m\u00eame y en avoir une troisi\u00e8me pour les utilisateurs tels que les bouilloires, les r\u00e9acteurs, les laminateurs, etc. <\/p>\n<p>L&rsquo;<a href=\"https:\/\/durathermcanada.ca\/fr\/pourquoi\/analyse\/\">analyse r\u00e9guli\u00e8re des fluides<\/a> est un outil de maintenance essentiel pour tout syst\u00e8me. Pour les grands syst\u00e8mes, un \u00e9chantillon annuel suffit g\u00e9n\u00e9ralement, mais il est pr\u00e9f\u00e9rable de consulter votre fournisseur de fluides afin d&rsquo;\u00e9tablir un calendrier adapt\u00e9 \u00e0 vos besoins sp\u00e9cifiques. <\/p>\n<p>Inspecter r\u00e9guli\u00e8rement le syst\u00e8me lui-m\u00eame est une autre bonne habitude \u00e0 prendre. V\u00e9rifiez s&rsquo;il y a des fuites et inspectez toutes les zones accessibles. Surveillez vos compteurs (manom\u00e8tres, d\u00e9bitm\u00e8tres, etc.) et consignez soigneusement les donn\u00e9es tout en restant attentif \u00e0 tout changement de d\u00e9bit ou de pression.  <\/p>\n<p>Des changements importants pourraient indiquer un probl\u00e8me potentiel et entra\u00eener une d\u00e9gradation du fluide.<\/p>\n<p>Il est \u00e9galement recommand\u00e9 de faire inspecter r\u00e9guli\u00e8rement votre chaudi\u00e8re et votre fourneau. Des r\u00e9glages occasionnels permettront de maintenir leur efficacit\u00e9 et d&rsquo;assurer leur bon fonctionnement.<\/p>\n<p>Il est \u00e9galement recommand\u00e9 d&rsquo;inspecter r\u00e9guli\u00e8rement les cr\u00e9pines et les filtres afin de d\u00e9tecter la pr\u00e9sence \u00e9ventuelle de <span class=\"glossary-box\" data-info=\"Oil-insoluble materials that result from oxidation of the oil and contamination from external sources and settle out in system components as sludge and varnish.\" data-name=\"Deposits\">d\u00e9bris<\/span> \u00e9trangers. La pr\u00e9sence de d\u00e9p\u00f4ts de carbone peut indiquer une d\u00e9gradation thermique, tandis que la pr\u00e9sence de boues est souvent un signe d&rsquo;oxydation. La pr\u00e9sence de mati\u00e8res \u00e9trang\u00e8res peut \u00e9galement indiquer une rupture du c\u00f4t\u00e9 processus.  <\/p>\n<p>Les grands syst\u00e8mes utilisent g\u00e9n\u00e9ralement des r\u00e9servoirs d&rsquo;expansion avec des tampons de gaz inerte (g\u00e9n\u00e9ralement de l&rsquo;azote) pour les prot\u00e9ger contre l&rsquo;oxydation. Inspectez les vannes de r\u00e9gulation et les jauges et assurez-vous qu&rsquo;il y a suffisamment de gaz. V\u00e9rifiez votre r\u00e9servoir d&rsquo;expansion pour vous assurer qu&rsquo;il ne chauffe pas trop. Id\u00e9alement, ceux-ci devraient \u00eatre maintenus \u00e0 une temp\u00e9rature inf\u00e9rieure \u00e0 200 \u00b0F afin de minimiser l&rsquo;oxydation.   <\/p>\n<p>Lorsqu&rsquo;il est temps de changer le liquide, il est essentiel d&rsquo;\u00eatre minutieux. La cl\u00e9 est de s&rsquo;assurer que le liquide d\u00e9grad\u00e9 est compl\u00e8tement vidang\u00e9 du syst\u00e8me (au moins 95 %). La plupart des fournisseurs de liquides proposent des liquides de rin\u00e7age qui facilitent cette op\u00e9ration.  <\/p>\n<p>Enfin, notre meilleur conseil est le suivant : continuez comme \u00e7a ! Un entretien r\u00e9gulier et le respect de votre programme d&rsquo;analyse sont essentiels pour prolonger la dur\u00e9e de vie des fluides et maintenir votre \u00e9quipement propre et efficace.[\/vc_column_text][dura_blog_pdf link=\u00a0\u00bbhttps:\/\/durathermcanada.ca\/wp-content\/uploads\/2025\/02\/Fluid-Maintenance_-Large-Systems.pdf\u00a0\u00bb][\/vc_column][vc_column top_padding_desktop=\u00a0\u00bb40px\u00a0\u00bb constrain_group_100=\u00a0\u00bbyes\u00a0\u00bb bottom_padding_desktop=\u00a0\u00bb40px\u00a0\u00bb left_padding_desktop=\u00a0\u00bb20px\u00a0\u00bb constrain_group_101=\u00a0\u00bbyes\u00a0\u00bb right_padding_desktop=\u00a0\u00bb20px\u00a0\u00bb column_element_direction_desktop=\u00a0\u00bbdefault\u00a0\u00bb column_element_spacing=\u00a0\u00bbdefault\u00a0\u00bb desktop_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb tablet_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb phone_text_alignment=\u00a0\u00bbdefault\u00a0\u00bb background_color=\u00a0\u00bb#efeff2&Prime; background_color_opacity=\u00a0\u00bb1&Prime; background_hover_color_opacity=\u00a0\u00bb1&Prime; column_backdrop_filter=\u00a0\u00bbnone\u00a0\u00bb column_shadow=\u00a0\u00bbnone\u00a0\u00bb column_border_radius=\u00a0\u00bbnone\u00a0\u00bb column_link_target=\u00a0\u00bb_self\u00a0\u00bb column_position=\u00a0\u00bbdefault\u00a0\u00bb gradient_direction=\u00a0\u00bbleft_to_right\u00a0\u00bb overlay_strength=\u00a0\u00bb0.3&Prime; width=\u00a0\u00bb1\/3&Prime; tablet_width_inherit=\u00a0\u00bbdefault\u00a0\u00bb animation_type=\u00a0\u00bbdefault\u00a0\u00bb bg_image_animation=\u00a0\u00bbnone\u00a0\u00bb border_type=\u00a0\u00bbsimple\u00a0\u00bb column_border_width=\u00a0\u00bbnone\u00a0\u00bb column_border_style=\u00a0\u00bbsolid\u00a0\u00bb column_padding_type=\u00a0\u00bbadvanced\u00a0\u00bb gradient_type=\u00a0\u00bbdefault\u00a0\u00bb][dura_blog_posts title=\u00a0\u00bbCentre d&rsquo;apprentissage\u00a0\u00bb excerpt_length=\u00a0\u00bb10&Prime;][\/vc_column][\/vc_row]\n","protected":false},"excerpt":{"rendered":"<p>L&rsquo;analyse r\u00e9guli\u00e8re des fluides est un outil de maintenance essentiel pour tout syst\u00e8me de transfert thermique. Dans cet article, nous vous proposons quelques conseils de base pour vous aider \u00e0 garantir le bon fonctionnement de votre syst\u00e8me \u00e0 grande \u00e9chelle. <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[29],"tags":[],"class_list":{"0":"post-5434","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-entretien"},"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Entretien des fluides : grands syst\u00e8mes Fluides caloporteurs Duratherm<\/title>\n<meta name=\"description\" content=\"L&#039;analyse r\u00e9guli\u00e8re des fluides est un outil de maintenance essentiel pour tout syst\u00e8me de transfert thermique. 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