{"id":50641,"date":"2014-11-11T14:45:38","date_gmt":"2014-11-11T12:45:38","guid":{"rendered":"http:\/\/staging.sillon38.com\/?p=50641"},"modified":"2014-11-11T14:45:38","modified_gmt":"2014-11-11T12:45:38","slug":"aquapole-pose-de-la-cloche-sur-un-digesteur","status":"publish","type":"post","link":"https:\/\/www.sillon38.com\/blog\/2014\/11\/11\/aquapole-pose-de-la-cloche-sur-un-digesteur\/","title":{"rendered":"Aquapole: pose de la cloche sur un digesteur"},"content":{"rendered":"<p><span style=\"color: #000080;\">C\u2019est une phase impressionnante des travaux qui se d\u00e9roulera mercredi 12 et<br \/>\njeudi 13 novembre, \u00e0 la station d\u2019\u00e9puration Aquapole: l\u2019installation de la cloche<br \/>\nou gazom\u00e8tre dans l\u2019un des deux digesteurs servant \u00e0 la m\u00e9thanisation et \u00e0 la<br \/>\nproduction de biogaz.<\/span><\/p>\n<p><span style=\"color: #000080;\">D\u2019un poids de 120 tonnes, d\u2019un diam\u00e8tre de 24m et d\u2019une hauteur de presque 10 m, la<br \/>\ncloche est arriv\u00e9e sur le site au mois de mai. Une fois n\u2019est pas coutume, une cloche<br \/>\nest partie de Rome (!) o\u00f9 elle a \u00e9t\u00e9 fabriqu\u00e9e, puis achemin\u00e9e en pi\u00e8ces d\u00e9tach\u00e9es<br \/>\npour \u00eatre assembl\u00e9e sur place pendant deux mois et demi.<\/span><\/p>\n<p><span style=\"color: #000080;\">Il faudra deux jours pour l\u2019installer. Le premier est consacr\u00e9 au montage des grues et<br \/>\nau d\u00e9placement de la cloche, le deuxi\u00e8me \u00e0 son levage. Deux grues mobiles de 350<br \/>\ntonnes et de 14m de port\u00e9e sont n\u00e9cessaires \u00e0 sa mise en place.<\/span><\/p>\n<p><span style=\"color: #000080;\">Situ\u00e9es de part et d\u2019autre de la cloche, les grues la d\u00e9poseront dans le digesteur,<br \/>\n\u00e9norme cuve de 12m de haut et de 25m de diam\u00e8tre. C\u2019est dans celui-ci que les<br \/>\nboues r\u00e9siduelles seront maintenues \u00e0 une temp\u00e9rature de 37 degr\u00e9s pendant 20<br \/>\njours pour produire du m\u00e9thane. Apr\u00e8s traitement dans l\u2019unit\u00e9 d\u2019\u00e9puration, le biogaz<br \/>\nremplacera le fioul n\u00e9cessaire au fonctionnement de la station d\u2019\u00e9puration. Le<br \/>\nsurplus sera inject\u00e9 dans le r\u00e9seau de gaz naturel pour alimenter 2500 foyers chaque<br \/>\nann\u00e9e.<\/span><\/p>\n<p><span style=\"color: #000080;\">Autre particularit\u00e9, ce d\u00f4me de 120 tonnes flottera sous la pression du gaz produit<br \/>\npar les boues. Il descendra ou montera en fonction du volume de gaz \u00e0 l\u2019int\u00e9rieur,<br \/>\ngr\u00e2ce \u00e0 des rails lat\u00e9raux et c\u2019est simplement de l\u2019eau qui assurera l\u2019\u00e9tanch\u00e9it\u00e9 de<br \/>\nl\u2019ensemble.<\/span><\/p>\n<p><span style=\"color: #000080;\"><a href=\"http:\/\/staging.sillon38.com\/wp-content\/uploads\/2014\/11\/cl.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-50642\" title=\"cl\" src=\"http:\/\/staging.sillon38.com\/wp-content\/uploads\/2014\/11\/cl.png\" alt=\"cl\" width=\"317\" height=\"256\" srcset=\"https:\/\/www.sillon38.com\/blog\/wp-content\/uploads\/2014\/11\/cl.png 317w, https:\/\/www.sillon38.com\/blog\/wp-content\/uploads\/2014\/11\/cl-300x242.png 300w\" sizes=\"auto, (max-width: 317px) 100vw, 317px\" \/><\/a><br \/>\n<\/span><\/p>\n<p><span style=\"color: #000080;\">Ces deux jours s\u2019inscrivent dans le plan de modernisation de la station<br \/>\nd\u2019assainissement dont les trois grands chantiers concernent la nitrification, la<br \/>\nd\u00e9sodorisation et la m\u00e9thanisation. D\u00e9but\u00e9s en 2010, les travaux touchent toute la<br \/>\ncha\u00eene de traitement des eaux. L\u2019investissement global est de 48m\u20ac dont 13m\u20ac pour<br \/>\nles digesteurs.<\/span><\/p>\n<blockquote><p><span style=\"color: #000080;\"><span style=\"color: #ff6600;\"><strong>Les diff\u00e9rentes phases:<\/strong><\/span><br \/>\n<strong>Mercredi 13 novembre 2014<\/strong><br \/>\nArriv\u00e9e des grues 350T \u00e0 8h sur le chantier,<br \/>\nCalages et \u00e9quipements des deux grues jusqu\u2019\u00e0 12h,<br \/>\nD\u00e9placement de la cloche \u00e0 14h,<br \/>\nD\u00e9placement des deux grues pour le levage d\u00e9finitif \u00e0 16h.<br \/>\n<strong>Jeudi 14 novembre 2014<\/strong><br \/>\nLevage de la cloche entre 8h et 9h.<\/span><\/p>\n<p><span style=\"color: #000080;\"><a href=\"http:\/\/staging.sillon38.com\/wp-content\/uploads\/2014\/11\/la-Metro-LO.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-50643\" title=\"la M\u00e9tro LO\" src=\"http:\/\/staging.sillon38.com\/wp-content\/uploads\/2014\/11\/la-Metro-LO.png\" alt=\"la M\u00e9tro LO\" width=\"451\" height=\"88\" srcset=\"https:\/\/www.sillon38.com\/blog\/wp-content\/uploads\/2014\/11\/la-Metro-LO.png 451w, https:\/\/www.sillon38.com\/blog\/wp-content\/uploads\/2014\/11\/la-Metro-LO-300x59.png 300w\" sizes=\"auto, (max-width: 451px) 100vw, 451px\" \/><\/a><br \/>\n<\/span><\/p><\/blockquote>\n","protected":false},"excerpt":{"rendered":"<p>C\u2019est une phase impressionnante des travaux qui se d\u00e9roulera mercredi 12 et<br \/>\njeudi 13 novembre, \u00e0 la station d\u2019\u00e9puration Aquapole: l\u2019installation de la cloche<br \/>\nou gazom\u00e8tre dans l\u2019un des deux digesteurs servant \u00e0 la m\u00e9thanisation et \u00e0 la<br \/>\nproduction de biogaz.<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22,37,38],"tags":[489],"class_list":["post-50641","post","type-post","status-publish","format-standard","hentry","category-environnement","category-la-metro","category-la-metro-la-metro","tag-aquapole"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Aquapole: pose de la cloche sur un digesteur -<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.sillon38.com\/blog\/2014\/11\/11\/aquapole-pose-de-la-cloche-sur-un-digesteur\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Aquapole: 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