{"id":2575,"date":"2020-03-09T16:10:52","date_gmt":"2020-03-09T16:10:52","guid":{"rendered":"\/cases\/pump-system-for-polymerization-process\/"},"modified":"2020-06-08T15:17:49","modified_gmt":"2020-06-08T15:17:49","slug":"pump-system-for-polymerization-process","status":"publish","type":"cases","link":"https:\/\/backupvandev-suurmond.triplehosting.nl\/fr\/cases\/pump-system-for-polymerization-process\/","title":{"rendered":"Syst\u00e8me de pompe pour processus de polym\u00e9risation"},"content":{"rendered":"\n<h1 class=\"wp-block-heading\"><strong>Case<\/strong><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/lh3.googleusercontent.com\/sBZ6OGQQxFlbJxoKoCAAXyuszEIGotJtyV0tQII7TiMMIm1Me6qpLblzvKlZHIiKMhEKsOBWl3zcW3lT4q6Eqyjd007rg3oAe3M-AiD9eSwIllA_VYq6ubwjhmmzaoREm_NRCOo\" width=\"424\" height=\"318\"><\/h1>\n\n\n\n<p>Notre client cherchait une solution fiable pour un processus de polym\u00e9risation o\u00f9 un polym\u00e8re est pomp\u00e9 en boucle par l\u2019interm\u00e9diaire du r\u00e9acteur, au cours de la r\u00e9action.<\/p>\n\n\n\n<p><em>Des d\u00e9fis suppl\u00e9mentaires :<\/em><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Au cours de la r\u00e9action, la viscosit\u00e9 augmente de mani\u00e8re continue de 25 \u00e0 18 000 mPas<\/li><li>Apr\u00e8s le lot, l\u2019installation et la pompe doivent \u00eatre rinc\u00e9es avec un agent de rin\u00e7age (1 mPas)&nbsp;<\/li><li>Le solvant circule par l\u2019interm\u00e9diaire de la m\u00eame pompe<\/li><\/ul>\n\n\n\n<h1 class=\"wp-block-heading\"><strong>Notre solution<\/strong><\/h1>\n\n\n\n<p>Il a \u00e9t\u00e9 d\u00e9cid\u00e9 d\u2019opter pour une pompe \u00e0 engrenages MAAG en acier inoxydable avec enveloppe chauffante et double garniture m\u00e9canique d\u2019\u00e9tanch\u00e9it\u00e9. L\u2019entra\u00eenement a \u00e9t\u00e9 choisi de telle sorte que durant le processus de polym\u00e9risation la pompe puisse fonctionner \u00e0 bas r\u00e9gime, mais que durant le rin\u00e7age, elle puisse fonctionner \u00e0 un r\u00e9gime beaucoup plus \u00e9lev\u00e9.&nbsp;<\/p>\n\n\n\n<p>Par ailleurs, il a \u00e9t\u00e9 tenu compte des couples requis \u00e0 chaque \u00e9tape du processus, ainsi que pour le rin\u00e7age. Cependant, l\u2019entra\u00eenement fournit \u00e9galement suffisamment de couple pour un \u00e9ventuel d\u00e9marrage \u00e0 froid avec un polym\u00e8re hautement visqueux (55 000 mPas).<\/p>\n\n\n\n<p>La double garniture m\u00e9canique d\u2019\u00e9tanch\u00e9it\u00e9 a \u00e9t\u00e9 raccord\u00e9e \u00e0 un dispositif d\u2019\u00e9tanch\u00e9it\u00e9 \u00e0 thermosiphon, \u00e9quip\u00e9 d\u2019un refroidisseur tubulaire et d\u2019un dispositif de mesure de niveau. Le volume du r\u00e9cipient de pression pour le dispositif d\u2019\u00e9tanch\u00e9it\u00e9 a \u00e9t\u00e9 choisi de telle sorte qu\u2019en fonctionnement normal et avec une garniture fonctionnant correctement, la pompe peut fonctionner au minimum pendant 6 mois sans qu\u2019il soit n\u00e9cessaire de remplir le dispositif d\u2019\u00e9tanch\u00e9it\u00e9. N\u00e9anmoins, le dispositif d\u2019\u00e9tanch\u00e9it\u00e9 est \u00e9quip\u00e9 d\u2019une pompe de remplissage manuelle et peut par cons\u00e9quent \u00eatre rempli sans arr\u00eater l\u2019installation. &nbsp;<\/p>\n\n\n\n<p>Le choix de l\u2019accouplement a \u00e9t\u00e9 d\u00e9termin\u00e9 au pr\u00e9alable par le client.&nbsp; Ceci rendait impossible un mode de construction compact et sans alignement, avec socle, et la pompe a d\u00fb \u00eatre assembl\u00e9e avec l\u2019entra\u00eenement sur une plaque d\u2019assise. Pour cette raison, le dispositif d\u2019\u00e9tanch\u00e9it\u00e9 est \u00e9galement fix\u00e9 sur la plaque d\u2019assise.&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Particularit\u00e9s:<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li>La pompe est fix\u00e9e sur la plaque d\u2019assise avec des vis de r\u00e9glage pour un positionnement optimal&nbsp;<\/li><li>Pied d\u2019appui pour soutenir le moteur<\/li><li>\u00c9gouttoir int\u00e9gr\u00e9&nbsp;<\/li><li>\u0152illets de levage int\u00e9gr\u00e9s pour simplifier le placement<\/li><li>Des trous d\u2019injection sont r\u00e9alis\u00e9s afin de remplir de b\u00e9ton la face inf\u00e9rieure pour une stabilit\u00e9 accrue<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/lh4.googleusercontent.com\/gUeEgBJy7lV_8fiDIQ_o-7iCqeZnTd3vPMZbEWkce1LLrG3ek-MnlGgQAnEFpIp0Z4ZlqTxaVHrSzdRIpUx58WO6AsWNB-VExZW-Rw7V7qQYH9PscNv-ava5a_1NyuZ_uYRldUA\" alt=\"\"\/><\/figure>\n","protected":false},"featured_media":3035,"template":"","gladior_regios":[],"class_list":["post-2575","cases","type-cases","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Syst\u00e8me de pompe pour processus de polym\u00e9risation - Suurmond<\/title>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Syst\u00e8me de pompe pour processus de polym\u00e9risation - Suurmond\" \/>\n<meta property=\"og:description\" content=\"Case Notre client cherchait une solution fiable pour un processus de polym\u00e9risation o\u00f9 un polym\u00e8re est pomp\u00e9 en boucle par l\u2019interm\u00e9diaire du r\u00e9acteur, au cours de la r\u00e9action. 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