{"id":1030,"date":"2017-06-07T10:03:15","date_gmt":"2017-06-07T08:03:15","guid":{"rendered":"https:\/\/www.solerpalau.com\/blog\/?p=1030"},"modified":"2019-04-15T10:48:00","modified_gmt":"2019-04-15T08:48:00","slug":"secado-cajas-plastico","status":"publish","type":"post","link":"https:\/\/www.solerpalau.com\/blog\/2017\/06\/07\/secado-cajas-plastico\/","title":{"rendered":"Secado de cajas de pl\u00e1stico: caso pr\u00e1ctico"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_76 counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.solerpalau.com\/blog\/2017\/06\/07\/secado-cajas-plastico\/#El_problema\" >El problema<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.solerpalau.com\/blog\/2017\/06\/07\/secado-cajas-plastico\/#Datos_a_tener_en_cuenta\" >Datos a tener en cuenta<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.solerpalau.com\/blog\/2017\/06\/07\/secado-cajas-plastico\/#Determinacion_de_las_necesidades\" >Determinaci\u00f3n de las necesidades<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.solerpalau.com\/blog\/2017\/06\/07\/secado-cajas-plastico\/#La_solucion\" >La soluci\u00f3n<\/a><\/li><\/ul><\/nav><\/div>\n<span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Reading Time: <\/span> <span class=\"rt-time\"> 2<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span><h2><span class=\"ez-toc-section\" id=\"El_problema\"><\/span>El problema<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Una importante empresa embotelladora de agua mineral de la provincia de Gerona solicita nuestra colaboraci\u00f3n para que le ayudemos a eliminar en lo m\u00e1ximo que sea posible el agua residual en el exterior de las cajas de pl\u00e1stico despu\u00e9s del proceso de lavado.<!--more--><\/p>\n<p><span data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;[cta_hubspot id=33]&quot;}\" data-sheets-userformat=\"{&quot;2&quot;:14851,&quot;3&quot;:[null,0],&quot;4&quot;:[null,2,16777215],&quot;12&quot;:0,&quot;14&quot;:[null,2,4473924],&quot;15&quot;:&quot;Consolas, Monaco, monospace&quot;,&quot;16&quot;:8}\">[cta_hubspot id=33]<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Datos_a_tener_en_cuenta\"><\/span>Datos a tener en cuenta<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Se trata de cajas de pl\u00e1stico que al salir de la zona de lavado pasan a trav\u00e9s de una cinta de rodillos de unos 10 m de largo hasta la zona de envasado. Entre cada rodillo queda una abertura de 6 cm. Las cajas miden 30 cm de altura 70 de largo y 40 de ancho y pasan por la cinta en sentido longitudinal.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Determinacion_de_las_necesidades\"><\/span>Determinaci\u00f3n de las necesidades<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>En este caso nos basamos en experiencias anteriores que nos demostraron que para arrastrar el agua de una superficie pl\u00e1stica y forzarla a desprenderse, es necesario impulsar el aire a una velocidad entre 50 y 60 m\/s. Para conseguir este resultado, tanta importancia tiene el caudal a mover como el dise\u00f1o de las boquillas de soplado y el \u00e1ngulo de incidencia para conseguir evitar las turbulencias. Dado que no era preciso secar las cajas por dentro, determinamos utilizar 3 boquillas, dos de ellas soplando una por cada lado de la caja y una tercera situada debajo de la cinta y soplando sobre la base, siempre en sentido contrario de la circulaci\u00f3n de las cajas.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"La_solucion\"><\/span>La soluci\u00f3n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Lo primero que definimos fue la dimensi\u00f3n de las boquillas de soplado, que dadas las dimensiones de las cajas estimamos que necesitar\u00edamos una longitud de 40 cm y una anchura m\u00e1xima de 1,2 cm para conseguir un buen dardo de aire. Con estos condicionantes y aplicando la f\u00f3rmula: Q = S x V<\/p>\n<p>Nos daba que por cada boquilla deber\u00edan salir 1.000 m3\/h de aire o sea 3.000 para toda la instalaci\u00f3n. En las siguientes ilustraciones veremos el dise\u00f1o de las boquillas y de la conexi\u00f3n al ventilador que deb\u00eda impulsar el aire. (Figuras 1 y 2).<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-1032\" src=\"https:\/\/www.solerpalau.com\/blog\/wp-content\/uploads\/2017\/06\/Screenshot-2017-06-07-at-9.55.45-AM.png\" alt=\"secado cajas plastico\" width=\"660\" height=\"431\" srcset=\"https:\/\/www.solerpalau.com\/blog\/wp-content\/uploads\/2017\/06\/Screenshot-2017-06-07-at-9.55.45-AM.png 660w, https:\/\/www.solerpalau.com\/blog\/wp-content\/uploads\/2017\/06\/Screenshot-2017-06-07-at-9.55.45-AM-600x392.png 600w\" sizes=\"auto, (max-width: 660px) 100vw, 660px\" \/><\/p>\n<p>El dise\u00f1o de la instalaci\u00f3n consisti\u00f3 en pasar los conductos por debajo de la cinta transportadora hasta el punto en el que se ubicaron las 3 boquillas. (Figura 3) La p\u00e9rdida de carga total de la instalaci\u00f3n se calcul\u00f3 en 200 mm c.d.a.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-1031\" src=\"https:\/\/www.solerpalau.com\/blog\/wp-content\/uploads\/2017\/06\/Screenshot-2017-06-07-at-9.56.02-AM.png\" alt=\"secado-cajas-plastico\" width=\"670\" height=\"620\" srcset=\"https:\/\/www.solerpalau.com\/blog\/wp-content\/uploads\/2017\/06\/Screenshot-2017-06-07-at-9.56.02-AM.png 670w, https:\/\/www.solerpalau.com\/blog\/wp-content\/uploads\/2017\/06\/Screenshot-2017-06-07-at-9.56.02-AM-600x555.png 600w\" sizes=\"auto, (max-width: 670px) 100vw, 670px\" \/><\/p>\n<p>Puedes consultar el caso pr\u00e1ctico completo \u00ab<a href=\"http:\/\/www.solerpalau.es\/media\/casos\/cp12.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">Secado de cajas de pl\u00e1stico<\/a>\u00ab, en el que encontrar\u00e1s todos los productos recomendados juntos con sus caracter\u00edsticas t\u00e9cnicas.<\/p>\n<p><span data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;[cta_hubspot id=122]&quot;}\" data-sheets-userformat=\"{&quot;2&quot;:14851,&quot;3&quot;:[null,0],&quot;4&quot;:[null,2,16777215],&quot;12&quot;:0,&quot;14&quot;:[null,2,4473924],&quot;15&quot;:&quot;Consolas, Monaco, monospace&quot;,&quot;16&quot;:8}\">[cta_hubspot id=122]<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p><span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Reading Time: <\/span> <span class=\"rt-time\"> 2<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span>El problema Una importante empresa embotelladora de agua mineral de la provincia de Gerona solicita nuestra colaboraci\u00f3n para que le ayudemos a eliminar en lo m\u00e1ximo que sea posible el agua residual en el exterior de las cajas de pl\u00e1stico despu\u00e9s del proceso de lavado.<\/p>\n","protected":false},"author":10,"featured_media":1033,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[9],"tags":[],"class_list":["post-1030","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-casos-practicos"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Secado de cajas de pl\u00e1stico: caso pr\u00e1ctico<\/title>\n<meta name=\"description\" content=\"Una empresa embotelladora de agua mineral necesita eliminar el agua residual en el exterior de las cajas de pl\u00e1stico despu\u00e9s del proceso de lavado.\" \/>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" 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