{"id":4547,"date":"2020-08-09T09:55:04","date_gmt":"2020-08-09T09:55:04","guid":{"rendered":"https:\/\/jnegre.com\/estudi-comparatiu-dels-sistemes-de-refrigeracio-daigua\/"},"modified":"2021-06-02T11:48:30","modified_gmt":"2021-06-02T11:48:30","slug":"estudi-comparatiu-dels-sistemes-de-refrigeracio-daigua","status":"publish","type":"post","link":"https:\/\/jnegre.com\/ca\/estudi-comparatiu-dels-sistemes-de-refrigeracio-daigua\/","title":{"rendered":"Estudi comparatiu dels sistemes de refrigeraci\u00f3 d&#8217;aigua."},"content":{"rendered":"\n<h4 class=\"wp-block-heading\">TECNOLOGIES ANALITZADES<\/h4>\n\n<p class=\"wp-block-paragraph\">L&#8217;an\u00e0lisi realitzada se centra en les tecnologies m\u00e9s comunes i que es reflecteixen en la taula seg\u00fcent:<\/p>\n\n<h4 class=\"wp-block-heading\">TECNOLOGIA REFREDAMENT CONDENSACI\u00d3<\/h4>\n\n<p class=\"wp-block-paragraph\">Sistemes humits Torre de refrigeraci\u00f3 Condensador evaporatiu<br\/>Sistemes secs Aerocondensador Aerocondensador<br\/>Sistemes h\u00edbrids Aerorefrigerador adiab\u00e0tic Aerocondensador adiab\u00e0tic<\/p>\n\n<h4 class=\"wp-block-heading\">CONCLUSIONS DESTACADES DE L&#8217;ESTUDI<\/h4>\n\n<p class=\"wp-block-paragraph\">Per a un sol consum energ\u00e8tic, les torres de refrigeraci\u00f3 dissipen aproximadament quatre vegades m\u00e9s calor que els sistemes secs i el doble que els sistemes h\u00edbrids.<\/p>\n\n<ul class=\"wp-block-list\"><li>Els sistemes humits consumeixen aproximadament un 40% m\u00e9s de \u00abaigua que els sistemes h\u00edbrids, mentre que els sistemes secs no consumeixen aigua per funcionar.<\/li><li>El \u00abespai que ocupen els equips creix amb la pot\u00e8ncia t\u00e8rmica a dissipar, per\u00f2 la r\u00e0tio de superf\u00edcie (m2 \/ MWt) disminueix. En els sistemes secs per\u00f2, a partir de 300 kWt, hi ha un fort increment de la r\u00e0tio. El\u00bb espai ocupat pels sistemes humits (torres de refrigeraci\u00f3) \u00e9s sempre inferior a el de les altres tecnologies.<\/li><li>La torre de refrigeraci\u00f3 \u00e9s el \u00abequip m\u00e9s silenci\u00f3s, amb un 9% menys de pressi\u00f3 sonora que els adiab\u00e0tics i un 7% menys que els sistemes secs, mentre que els sistemes h\u00edbrids s\u00f3n els equips que emeten m\u00e9s soroll.<\/li><li>Els sistemes humits s\u00f3n els \u00fanics que tenen un risc inherent de contaminaci\u00f3 biol\u00f2gica.<\/li><li>L&#8217;acumulaci\u00f3 d&#8217;aigua i les temperatures de treball generen un ambient idoni perqu\u00e8 proliferi la legionel\u00b7la pneumophila si no es controlen adequadament els par\u00e0metres fisicoqu\u00edmics. El canvi d&#8217;aigua que es produeix pot arribar a generar una emissi\u00f3 d&#8217;aerosols que transport el bacteri alguns metres al voltant (si el separador de gotes no funciona correctament).<\/li><li>Els sistemes humits s\u00f3n els \u00fanics que necessiten un consum continu de productes per controlar els par\u00e0metres qu\u00edmics adequats per al funcionament i tamb\u00e9 per contenir el risc biol\u00f2gic.<\/li><li>L&#8217;evoluci\u00f3 de les corbes de rendiment energ\u00e8tic indica que en qualsevol pot\u00e8ncia, els<\/li><li>sistemes energ\u00e8ticament m\u00e9s eficients s\u00f3n els sistemes humits, seguits dels sistemes h\u00edbrids.<\/li><li>Analitzant tots els costos, el sistema amb torre de refrigeraci\u00f3 t\u00e9 un estalvi econ\u00f2mic anual important, derivat de l&#8217;estalvi energ\u00e8tic. De totes maneres, no \u00e9s el m\u00e9s rendible econ\u00f2micament, tot i ser el m\u00e9s eficient energ\u00e8ticament.<\/li><li>Es detecta una disminuci\u00f3 de parc global de sistemes humits (torres de refrigeraci\u00f3 i condensadors evaporatius) instal\u00b7lats a Catalunya. La substituci\u00f3 massiva de sistemes humits per a sistemes secs a Catalunya suposa un increment for\u00e7a important en el consum energ\u00e8tic.<\/li><li>L&#8217;evoluci\u00f3 de vendes efectuades durant els \u00faltims anys reflecteix una tend\u00e8ncia a la disminuci\u00f3 de les torres de refrigeraci\u00f3, i un progressiu increment d&#8217;algunes tecnologies alternatives, especialment els aerorefrigeradores.<\/li><\/ul>\n<p class=\"wp-block-paragraph\"><a href=\"http:\/\/jnegre.es\/Descargas\/Icaen.pdf\">Descarregar estudi complet (catal\u00e0)<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>TECNOLOGIES ANALITZADES L&#8217;an\u00e0lisi realitzada se centra en les tecnologies m\u00e9s comunes i que es reflecteixen en la taula seg\u00fcent: TECNOLOGIA REFREDAMENT CONDENSACI\u00d3 Sistemes humits Torre de refrigeraci\u00f3 Condensador evaporatiuSistemes secs Aerocondensador AerocondensadorSistemes h\u00edbrids Aerorefrigerador adiab\u00e0tic Aerocondensador adiab\u00e0tic CONCLUSIONS DESTACADES DE L&#8217;ESTUDI Per a un sol consum energ\u00e8tic, les torres de refrigeraci\u00f3 dissipen aproximadament quatre vegades [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[96,127],"tags":[],"class_list":["post-4547","post","type-post","status-publish","format-standard","hentry","category-sense-categoria","category-torres-de-refrigeracio"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Estudi comparatiu dels sistemes de refrigeraci\u00f3 d&#039;aigua. | J.Negre | Expertos en Intercambio T\u00e9rmico y Refrigeraci\u00f3n Industrial desde 1978<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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