{"id":4723,"date":"2024-03-19T10:47:08","date_gmt":"2024-03-19T02:47:08","guid":{"rendered":"https:\/\/www.lneya.com\/news\/low-temperature-recirculating-chillers.html"},"modified":"2024-03-19T10:47:08","modified_gmt":"2024-03-19T02:47:08","slug":"low-temperature-recirculating-chillers","status":"publish","type":"post","link":"https:\/\/tw.lneya.com\/pt\/news\/low-temperature-recirculating-chillers.html","title":{"rendered":"As raz\u00f5es da forma\u00e7\u00e3o de gelo em refrigeradores de recircula\u00e7\u00e3o de temperatura ultra baixa"},"content":{"rendered":"<p>\n\tO Frosting aparecer\u00e1 quando muitos utilizadores tirarem partido do <a href=\"https:\/\/tw.lneya.com\/pt\/industrial-chiller\/ultra-low-temperature-recirculating-chillers.html\/\" target=\"_blank\" rel=\"noopener\">chillers de recircula\u00e7\u00e3o de temperatura ultra baixa<\/a>e outros n\u00e3o. \u00c9 confuso e n\u00e3o se sabe se \u00e9 relevante para a refrigera\u00e7\u00e3o.\n<\/p>\n<p>\n\tAntes de mais, porque \u00e9 que os chillers de recircula\u00e7\u00e3o de temperatura ultra baixa congelam? Para resolver o problema, podemos voltar a nossa aten\u00e7\u00e3o para as raz\u00f5es do arrefecimento direto dos refrigeradores de recircula\u00e7\u00e3o a ultra baixa temperatura. O gelo \u00e9 um cristal branco de vapor que se deposita na superf\u00edcie dos objectos a ultra baixa temperatura.\n<\/p>\n<p>\n\tO ar congelar\u00e1 na superf\u00edcie da parede interna dentro dos chillers de recircula\u00e7\u00e3o de temperatura ultra baixa, que \u00e9 a causa principal. Afectar\u00e1 a efici\u00eancia da transfer\u00eancia de calor, resultando no decl\u00ednio da capacidade de refrigera\u00e7\u00e3o, pelo que os utilizadores devem remov\u00ea-lo manualmente.\n<\/p>\n<p>\n\tCompreendemos porque \u00e9 que os refrigeradores de recircula\u00e7\u00e3o de temperatura ultra baixa congelam, por um lado, e por outro lado os refrigerados a ar n\u00e3o congelam. As raz\u00f5es s\u00e3o opostas? O princ\u00edpio \u00e9 que os chillers de recircula\u00e7\u00e3o de temperatura ultra baixa arrefecidos a ar aplicam ar para refrigerar. Quando o ar de alta temperatura flui atrav\u00e9s do evaporador interno, ambos trocam o calor diretamente porque est\u00e3o em condi\u00e7\u00f5es opostas, de modo que a temperatura do ar baixa.\n<\/p>\n<p>\n\tEntretanto, o ar frio \u00e9 soprado nos chillers de recircula\u00e7\u00e3o de temperatura ultrabaixa, que \u00e9 exatamente o que o refrigerado a ar utiliza para fazer ciclos constantes para reduzir a sua pr\u00f3pria temperatura. No entanto, o vapor existe sempre no ar, pelo que se torna s\u00f3lido quando congela, o que mostra que sempre que a transfer\u00eancia de calor acontece, a forma\u00e7\u00e3o de gelo ocorrer\u00e1 nos chillers de recircula\u00e7\u00e3o de temperatura ultra baixa.\n<\/p>\n<p>\n\tDe facto, os chillers de recircula\u00e7\u00e3o de temperatura ultra baixa arrefecidos a ar s\u00e3o transportados com gelo, mas apenas na superf\u00edcie do evaporador. Quando se abre a porta, n\u00e3o se consegue ver porque o gelo est\u00e1 no interior. Por isso, chamamos-lhe \"sem gelo\" no seu todo.\n<\/p>\n<p>\n\tPor conseguinte, esclarecemos por que raz\u00e3o os refrigeradores de recircula\u00e7\u00e3o de temperatura ultrabaixa est\u00e3o fora do congelamento.<\/p>","protected":false},"excerpt":{"rendered":"<p>Frosting will appear when many users take advantage of ultra low temperature recirculating chillers, while some are not. It is confusing and whether it is relevant to refrigeration. First of all, why does ultra low temperature recirculating chillers frost? To sort it out, we can turn our eyes on the reasons of direct-cooling ultra low 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