{"id":4610,"date":"2014-01-28T09:59:32","date_gmt":"2014-01-28T07:59:32","guid":{"rendered":"https:\/\/www.tempco.it\/blog\/?p=4610"},"modified":"2014-01-27T09:59:51","modified_gmt":"2014-01-27T07:59:51","slug":"come-collegare-gli-scambiatori-a-piastre","status":"publish","type":"post","link":"https:\/\/www.tempco.it\/blog\/4610\/come-collegare-gli-scambiatori-a-piastre\/","title":{"rendered":"Come collegare gli scambiatori a piastre"},"content":{"rendered":"<p>Si tratta di un argomento del quale abbiamo parlato gi\u00e0 molte altre volte.<\/p>\n<p>Lo riprendo perch\u00e9 giusto qualche giorno fa, in occasione della produzione della seconda cotta di <a href=\"http:\/\/www.yourbeer.it\/\" target=\"_blank\">Yourbeer<\/a>, al momento del raffreddamento del mosto, per l&#8217;inserimento nei fermentatori, nonostante la dimensione adeguata dello <a href=\"http:\/\/www.tempco.it\/soluzioni\/scambiatori-calore\/saldobrasati\/\" target=\"_blank\">scambiatore a piastre<\/a>, opportunamente dimensionato qualche giorno prima, il mastro birraio, non riusciva ad ottenere la temperatura corretta e costante.<\/p>\n<p>La portata di birra in questi casi \u00e8 molto bassa, in quanto la si fa scorrere lentamente per evitare che si ossigeni.<\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/www.tempco.it\/blog\/wp-content\/uploads\/2013\/12\/DSCF4396.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter  wp-image-4549\" alt=\"Scambiatori a piastre in un birrificio \" src=\"https:\/\/www.tempco.it\/blog\/wp-content\/uploads\/2013\/12\/DSCF4396.jpg\" width=\"480\" height=\"360\" srcset=\"https:\/\/www.tempco.it\/blog\/wp-content\/uploads\/2013\/12\/DSCF4396.jpg 1000w, https:\/\/www.tempco.it\/blog\/wp-content\/uploads\/2013\/12\/DSCF4396-300x225.jpg 300w\" sizes=\"auto, (max-width: 480px) 100vw, 480px\" \/><\/a><\/p>\n<p style=\"text-align: center;\"><!--more--><\/p>\n<p>La birra e l&#8217;acqua di raffreddamento erano collegate correttamente in controcorrente, ma&#8230;l&#8217;acqua con una buona portata entrava dal basso e la birra dall&#8217;alto.<\/p>\n<p>Evidentemente la birra, che fluiva con una piccola portata, non allagava completamente il pacco piastre, con la conseguenza che l&#8217;effetto di raffreddamento era veramente limitato.<\/p>\n<p>Con il mastro birraio, abbiamo invertito i flussi, facendo entrare la birra dal basso e l&#8217;acqua dall&#8217;alto ed immediatamente la situazione si \u00e8 ottimizzata. Siamo intervenuti addirittura sulla portata di acqua, riducendola di parecchio, in quanto la temperatura in uscita della birra era troppo bassa (inferiore a quella di fermentazione).<\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/www.tempco.it\/blog\/wp-content\/uploads\/2014\/01\/scambiatore-mosto-di-birra-piastre.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter  wp-image-4613\" alt=\"scambiatore mosto di birra piastre\" src=\"https:\/\/www.tempco.it\/blog\/wp-content\/uploads\/2014\/01\/scambiatore-mosto-di-birra-piastre.jpg\" width=\"499\" height=\"343\" srcset=\"https:\/\/www.tempco.it\/blog\/wp-content\/uploads\/2014\/01\/scambiatore-mosto-di-birra-piastre.jpg 2311w, https:\/\/www.tempco.it\/blog\/wp-content\/uploads\/2014\/01\/scambiatore-mosto-di-birra-piastre-300x205.jpg 300w, https:\/\/www.tempco.it\/blog\/wp-content\/uploads\/2014\/01\/scambiatore-mosto-di-birra-piastre-1024x702.jpg 1024w\" sizes=\"auto, (max-width: 499px) 100vw, 499px\" \/><\/a><\/p>\n<p>Per tradurre in pratica quello che \u00e8 successo: nel caso di fluido con bassa portata, \u00e8 preferibile inserirlo dal basso, in modo da ottenere un completo ed uniforme allagamento del pacco piastre, con conseguente ottimizzazione dello scambio termico.<\/p>\n<p>Se non potete invertire il flusso, parzializzate l&#8217;uscita dallo scambiatore (con una valvola di regolazione manuale o automatica), in modo che lo scambiatore lavori completamente pieno di fluido.<\/p>\n<p>Potete trovare questo suggerimento insieme a molto altri, su:<\/p>\n<h4><a href=\"http:\/\/www.lulu.com\/shop\/valter-biolchi\/energia-termica-e-processi-industriali\/ebook\/product-21138740.html\">ENERGIA TERMICA E PROCESSI INDUSTRIALI<\/a><\/h4>\n","protected":false},"excerpt":{"rendered":"<p>Si tratta di un argomento del quale abbiamo parlato gi\u00e0 molte altre volte. Lo riprendo perch\u00e9 giusto qualche giorno fa, [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-4610","post","type-post","status-publish","format-standard","hentry","category-energia-termica"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Come collegare gli scambiatori a piastre - Tempco Blog<\/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.tempco.it\/blog\/4610\/come-collegare-gli-scambiatori-a-piastre\/\" \/>\n<meta property=\"og:locale\" content=\"it_IT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Come collegare gli scambiatori a piastre - Tempco Blog\" \/>\n<meta property=\"og:description\" content=\"Si tratta di un argomento del quale abbiamo parlato gi\u00e0 molte altre volte. 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