{"id":3982,"date":"2024-05-06T10:39:49","date_gmt":"2024-05-06T10:39:49","guid":{"rendered":"https:\/\/moyahousehold.com\/?p=3982"},"modified":"2024-05-11T10:34:05","modified_gmt":"2024-05-11T10:34:05","slug":"how-does-a-vacuum-flask-work","status":"publish","type":"post","link":"https:\/\/moyahousehold.com\/pt\/como-funciona-um-balao-de-vacuo\/","title":{"rendered":"Como funciona um frasco de v\u00e1cuo\uff1fFrasco de v\u00e1cuo: princ\u00edpios, materiais e aplica\u00e7\u00f5es"},"content":{"rendered":"<p style=\"font-size:18px\">Na vida quotidiana, utilizamos frequentemente o frasco t\u00e9rmico para beber \u00e1gua, fazer ch\u00e1 ou caf\u00e9. Mas alguma vez pensou no princ\u00edpio de funcionamento de um bal\u00e3o de v\u00e1cuo? Este artigo apresenta a defini\u00e7\u00e3o e o princ\u00edpio de funcionamento do frasco de v\u00e1cuo, explora as suas aplica\u00e7\u00f5es pr\u00e1ticas e resume as precau\u00e7\u00f5es a tomar quando se utilizam frascos de v\u00e1cuo.<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_66_1 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" >\u00cdndice<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Alternar o \u00edndice\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Alternar<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/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:\/\/moyahousehold.com\/pt\/como-funciona-um-balao-de-vacuo\/#1Definition_of_vacuum_flask\" title=\"1. defini\u00e7\u00e3o de bal\u00e3o de v\u00e1cuo\">1. defini\u00e7\u00e3o de bal\u00e3o de v\u00e1cuo<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/moyahousehold.com\/pt\/como-funciona-um-balao-de-vacuo\/#2The_transfer_mode_of_heat\" title=\"2. o modo de transfer\u00eancia de calor\">2. o modo de transfer\u00eancia de calor<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/moyahousehold.com\/pt\/como-funciona-um-balao-de-vacuo\/#3The_working_principle_of_a_vacuum_flask\" title=\"3. o princ\u00edpio de funcionamento de um bal\u00e3o de v\u00e1cuo\">3. o princ\u00edpio de funcionamento de um bal\u00e3o de v\u00e1cuo<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/moyahousehold.com\/pt\/como-funciona-um-balao-de-vacuo\/#4_Factors_affecting_thermal_insulation_effect\" title=\"4. Factores que afectam o efeito do isolamento t\u00e9rmico\">4. Factores que afectam o efeito do isolamento t\u00e9rmico<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/moyahousehold.com\/pt\/como-funciona-um-balao-de-vacuo\/#5_Main_materials_of_vacuum_flask\" title=\"5. Principais materiais do bal\u00e3o de v\u00e1cuo\">5. Principais materiais do bal\u00e3o de v\u00e1cuo<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/moyahousehold.com\/pt\/como-funciona-um-balao-de-vacuo\/#6Vacuum_flask_manufacturing_process\" title=\"6. processo de fabrico do bal\u00e3o de v\u00e1cuo\">6. processo de fabrico do bal\u00e3o de v\u00e1cuo<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/moyahousehold.com\/pt\/como-funciona-um-balao-de-vacuo\/#7Application_scenarios_of_vacuum_flask\" title=\"7. cen\u00e1rios de aplica\u00e7\u00e3o do bal\u00e3o de v\u00e1cuo\">7. cen\u00e1rios de aplica\u00e7\u00e3o do bal\u00e3o de v\u00e1cuo<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/moyahousehold.com\/pt\/como-funciona-um-balao-de-vacuo\/#1_Applications_in_daily_life\" title=\"(1) Aplica\u00e7\u00f5es na vida quotidiana\">(1) Aplica\u00e7\u00f5es na vida quotidiana<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/moyahousehold.com\/pt\/como-funciona-um-balao-de-vacuo\/#2_Applications_in_the_medical_field\" title=\"(2) Aplica\u00e7\u00f5es no dom\u00ednio m\u00e9dico\">(2) Aplica\u00e7\u00f5es no dom\u00ednio m\u00e9dico<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/moyahousehold.com\/pt\/como-funciona-um-balao-de-vacuo\/#3_Applications_in_the_laboratory\" title=\"(3) Aplica\u00e7\u00f5es no laborat\u00f3rio\">(3) Aplica\u00e7\u00f5es no laborat\u00f3rio<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/moyahousehold.com\/pt\/como-funciona-um-balao-de-vacuo\/#8Precautions_for_using_vacuum_flask\" title=\"8) Precau\u00e7\u00f5es na utiliza\u00e7\u00e3o do bal\u00e3o de v\u00e1cuo.\">8) Precau\u00e7\u00f5es na utiliza\u00e7\u00e3o do bal\u00e3o de v\u00e1cuo.<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\" style=\"font-size:25px\"><span class=\"ez-toc-section\" id=\"1Definition_of_vacuum_flask\"><\/span><strong>1. defini\u00e7\u00e3o de bal\u00e3o de v\u00e1cuo<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p style=\"font-size:18px\"><br>Um bal\u00e3o de v\u00e1cuo \u00e9 um recipiente cil\u00edndrico fabricado com base no princ\u00edpio do bal\u00e3o de Dewar, utilizado para manter uma temperatura interna constante da \u00e1gua ou da bebida durante um determinado per\u00edodo de tempo, tornando-a conveniente para as pessoas beberem. <br>Uma garrafa de v\u00e1cuo \u00e9 composta por um revestimento interior, uma camada de isolamento e um inv\u00f3lucro exterior. O revestimento interior \u00e9 utilizado para armazenar l\u00edquidos e \u00e9 normalmente feito de vidro de dupla camada ou de a\u00e7o inoxid\u00e1vel. A fun\u00e7\u00e3o da camada de isolamento \u00e9 reduzir a condu\u00e7\u00e3o de calor e manter uma temperatura constante no interior da garrafa durante um determinado per\u00edodo de tempo. O inv\u00f3lucro exterior \u00e9 geralmente feito de a\u00e7o inoxid\u00e1vel ou de material pl\u00e1stico para proteger o revestimento interior.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" style=\"font-size:25px\"><span class=\"ez-toc-section\" id=\"2The_transfer_mode_of_heat\"><\/span><strong>2. o modo de transfer\u00eancia de calor<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p style=\"font-size:18px\"><br>Antes de aprendermos como funciona um bal\u00e3o de v\u00e1cuo, precisamos de compreender como o calor \u00e9 transferido.<br><br>O calor tem a propriedade de se transferir de objectos com temperaturas elevadas para objectos com temperaturas baixas, e existem tr\u00eas formas de o transferir. S\u00e3o elas a condu\u00e7\u00e3o, a convec\u00e7\u00e3o e a radia\u00e7\u00e3o. <br><br>A condu\u00e7\u00e3o de calor refere-se \u00e0 transfer\u00eancia de calor atrav\u00e9s das mol\u00e9culas no interior de um material. Este m\u00e9todo de transfer\u00eancia \u00e9 muito comum em s\u00f3lidos e l\u00edquidos, por exemplo, ao aquecer o fundo de uma chaleira de a\u00e7o inoxid\u00e1vel, a pega da chaleira fica quente.<br><br>A convec\u00e7\u00e3o t\u00e9rmica \u00e9 a transfer\u00eancia de calor atrav\u00e9s do fluxo de g\u00e1s ou l\u00edquido. Por exemplo, depois de ligar o aquecedor, devido ao fluxo de ar na divis\u00e3o, a temperatura geral no interior da divis\u00e3o aumenta.<br><br>A radia\u00e7\u00e3o t\u00e9rmica \u00e9 uma radia\u00e7\u00e3o electromagn\u00e9tica gerada devido \u00e0 temperatura do pr\u00f3prio objeto, que pode transferir calor. A sua frequ\u00eancia e intensidade est\u00e3o relacionadas com a temperatura do objeto, sendo a luz solar um exemplo representativo.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" style=\"font-size:24px\"><span class=\"ez-toc-section\" id=\"3The_working_principle_of_a_vacuum_flask\"><\/span><strong>3. o princ\u00edpio de funcionamento de um bal\u00e3o de v\u00e1cuo<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p style=\"font-size:18px\"><br>O que precede introduz tr\u00eas formas de transfer\u00eancia de calor, e a estrutura do bal\u00e3o de v\u00e1cuo destina-se a bloquear o mais poss\u00edvel estas tr\u00eas formas de transfer\u00eancia de calor.<br><br>(1)<strong>Isolamento por camada de v\u00e1cuo<\/strong>: Extrair o ar entre o revestimento interior e o inv\u00f3lucro exterior para formar uma camada de v\u00e1cuo. Devido \u00e0 aus\u00eancia de mol\u00e9culas de ar na camada de v\u00e1cuo, o calor n\u00e3o pode ser transferido por condu\u00e7\u00e3o e convec\u00e7\u00e3o, garantindo uma mudan\u00e7a lenta de temperatura no interior da garrafa.<br><br>(2)<strong>Isolamento de espuma<\/strong>: A camada de isolamento do copo de isolamento adopta material de isolamento de espuma, que tem muitas bolhas pequenas. O ar no interior das bolhas desempenha um papel no isolamento, reduzindo assim a ocorr\u00eancia de transfer\u00eancia de calor.<br><br>(3)<strong>Radia\u00e7\u00e3o t\u00e9rmica reflectora<\/strong>: Os inv\u00f3lucros interno e externo dos frascos de v\u00e1cuo s\u00e3o geralmente feitos de materiais met\u00e1licos, que podem refletir a radia\u00e7\u00e3o t\u00e9rmica e reduzir a transfer\u00eancia de radia\u00e7\u00e3o t\u00e9rmica.<br><br>(4)<strong>Abrandar a convec\u00e7\u00e3o<\/strong>: A camada de isolamento do frasco de v\u00e1cuo adopta material de isolamento de v\u00e1cuo e material de isolamento de espuma, que pode formar duas zonas de temperatura independentes para a \u00e1gua dentro do copo e o ar fora do copo, abrandando assim a ocorr\u00eancia de convec\u00e7\u00e3o. Como a convec\u00e7\u00e3o \u00e9 uma forma de transfer\u00eancia de calor, o abrandamento da <br>A convec\u00e7\u00e3o tamb\u00e9m pode reduzir a ocorr\u00eancia de transfer\u00eancia de calor.<br><br>(5)<strong>Excelente mecanismo de veda\u00e7\u00e3o<\/strong>: Devido ao contacto f\u00e1cil entre a boca do frasco de v\u00e1cuo e o ar, ocorre transfer\u00eancia de calor. Os fabricantes de frascos de v\u00e1cuo utilizam v\u00e1rias tecnologias de veda\u00e7\u00e3o, como almofadas de borracha ou an\u00e9is de veda\u00e7\u00e3o de silicone, para garantir o desempenho da veda\u00e7\u00e3o.<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1600\" height=\"1600\" src=\"https:\/\/moyahousehold.com\/wp-content\/uploads\/2024\/04\/wholesale-vacuum-flask-with-wooden-lid-3.webp\" alt=\"frasco de v\u00e1cuo por atacado com tampa de madeira (3)\" class=\"wp-image-3288\" srcset=\"https:\/\/moyahousehold.com\/wp-content\/uploads\/2024\/04\/wholesale-vacuum-flask-with-wooden-lid-3.webp 1600w, https:\/\/moyahousehold.com\/wp-content\/uploads\/2024\/04\/wholesale-vacuum-flask-with-wooden-lid-3-300x300.webp 300w, https:\/\/moyahousehold.com\/wp-content\/uploads\/2024\/04\/wholesale-vacuum-flask-with-wooden-lid-3-150x150.webp 150w, https:\/\/moyahousehold.com\/wp-content\/uploads\/2024\/04\/wholesale-vacuum-flask-with-wooden-lid-3-768x768.webp 768w, https:\/\/moyahousehold.com\/wp-content\/uploads\/2024\/04\/wholesale-vacuum-flask-with-wooden-lid-3-285x285.webp 285w, https:\/\/moyahousehold.com\/wp-content\/uploads\/2024\/04\/wholesale-vacuum-flask-with-wooden-lid-3-270x270.webp 270w, https:\/\/moyahousehold.com\/wp-content\/uploads\/2024\/04\/wholesale-vacuum-flask-with-wooden-lid-3-540x540.webp 540w, https:\/\/moyahousehold.com\/wp-content\/uploads\/2024\/04\/wholesale-vacuum-flask-with-wooden-lid-3-660x660.webp 660w\" sizes=\"(max-width: 1600px) 100vw, 1600px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" width=\"1600\" height=\"1600\" src=\"https:\/\/moyahousehold.com\/wp-content\/uploads\/2024\/04\/wholesale-insulated-water-bottles-3.webp\" alt=\"garrafas de \u00e1gua isoladas por atacado (3)\" class=\"wp-image-3188\" style=\"width:251px;height:auto\" srcset=\"https:\/\/moyahousehold.com\/wp-content\/uploads\/2024\/04\/wholesale-insulated-water-bottles-3.webp 1600w, https:\/\/moyahousehold.com\/wp-content\/uploads\/2024\/04\/wholesale-insulated-water-bottles-3-300x300.webp 300w, https:\/\/moyahousehold.com\/wp-content\/uploads\/2024\/04\/wholesale-insulated-water-bottles-3-150x150.webp 150w, https:\/\/moyahousehold.com\/wp-content\/uploads\/2024\/04\/wholesale-insulated-water-bottles-3-768x768.webp 768w, https:\/\/moyahousehold.com\/wp-content\/uploads\/2024\/04\/wholesale-insulated-water-bottles-3-285x285.webp 285w, https:\/\/moyahousehold.com\/wp-content\/uploads\/2024\/04\/wholesale-insulated-water-bottles-3-270x270.webp 270w, https:\/\/moyahousehold.com\/wp-content\/uploads\/2024\/04\/wholesale-insulated-water-bottles-3-540x540.webp 540w, https:\/\/moyahousehold.com\/wp-content\/uploads\/2024\/04\/wholesale-insulated-water-bottles-3-660x660.webp 660w\" sizes=\"(max-width: 1600px) 100vw, 1600px\" \/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\" style=\"font-size:25px\"><span class=\"ez-toc-section\" id=\"4_Factors_affecting_thermal_insulation_effect\"><\/span><strong>4. Factores que afectam o efeito do isolamento t\u00e9rmico<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p style=\"font-size:18px\"><br>(1) <strong>Materiais:<\/strong> Diferentes materiais t\u00eam diferentes coeficientes de condutividade t\u00e9rmica e de radia\u00e7\u00e3o, pelo que a escolha de diferentes materiais afectar\u00e1 o efeito de isolamento do copo de isolamento. De um modo geral, os materiais de isolamento de v\u00e1cuo e os materiais de isolamento de espuma t\u00eam melhores efeitos de isolamento.<br><br>(2) <strong>Artesanato<\/strong>: Diferentes t\u00e9cnicas de fabrico podem tamb\u00e9m afetar o efeito de isolamento do copo isolante. Por exemplo, a espessura da camada de v\u00e1cuo, o tamanho e a distribui\u00e7\u00e3o das bolhas podem afetar o efeito de isolamento. De um modo geral, quanto mais espessa for a camada de v\u00e1cuo e quanto mais pequenas e uniformes forem as bolhas, melhor ser\u00e1 o efeito de isolamento.<br><br>(3) <strong>Temperatura ambiente<\/strong>: A temperatura do ambiente tamb\u00e9m pode afetar o efeito de isolamento do copo isolante. A temperaturas ambiente mais baixas, o tempo de isolamento do copo isolado ser\u00e1 mais longo. Pelo contr\u00e1rio, a temperaturas ambiente mais elevadas, o tempo de isolamento do copo isolado ser\u00e1 mais curto.<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h2 class=\"wp-block-heading\" style=\"font-size:25px\"><span class=\"ez-toc-section\" id=\"5_Main_materials_of_vacuum_flask\"><\/span><strong>5. Principais materiais do bal\u00e3o de v\u00e1cuo<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<\/div>\n<\/div>\n\n\n\n<p style=\"font-size:18px\">(1) <strong>Material do revestimento interior<\/strong>: geralmente feito de a\u00e7o inoxid\u00e1vel de qualidade alimentar, cer\u00e2mica e outros materiais, que t\u00eam uma excelente resist\u00eancia \u00e0 corros\u00e3o e a altas temperaturas, e n\u00e3o afectam a sa\u00fade humana.<br><br>(2) <strong>Material da casca<\/strong>: geralmente feito de pl\u00e1stico, metal, etc., que tem excelente durabilidade e desempenho anti-queda.<br><br>(3) <strong>Materiais da camada de isolamento<\/strong>: S\u00e3o normalmente utilizados materiais de isolamento a v\u00e1cuo, materiais de isolamento de espuma, etc., que t\u00eam um excelente desempenho de isolamento.<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"600\" height=\"309\" src=\"https:\/\/moyahousehold.com\/wp-content\/uploads\/2024\/04\/custom-water-bottle-inner-container.webp\" alt=\"recipiente interior para garrafa de \u00e1gua personalizada\" class=\"wp-image-3367\" srcset=\"https:\/\/moyahousehold.com\/wp-content\/uploads\/2024\/04\/custom-water-bottle-inner-container.webp 600w, https:\/\/moyahousehold.com\/wp-content\/uploads\/2024\/04\/custom-water-bottle-inner-container-300x155.webp 300w, https:\/\/moyahousehold.com\/wp-content\/uploads\/2024\/04\/custom-water-bottle-inner-container-285x147.webp 285w, https:\/\/moyahousehold.com\/wp-content\/uploads\/2024\/04\/custom-water-bottle-inner-container-150x77.webp 150w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\" style=\"font-size:25px\"><span class=\"ez-toc-section\" id=\"6Vacuum_flask_manufacturing_process\"><\/span><strong>6. processo de fabrico do bal\u00e3o de v\u00e1cuo<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p style=\"font-size:18px\"><br>(1) <strong>Produ\u00e7\u00e3o de revestimentos interiores<\/strong>: Processamento de a\u00e7o inoxid\u00e1vel de qualidade alimentar, cer\u00e2mica e outros materiais na forma do revestimento interior e tratamento de polimento.<br><br>(2) <strong>Fabrico de conchas<\/strong>: Transforma\u00e7\u00e3o de pl\u00e1stico, metal e outros materiais na forma da concha.<br><br>(3) <strong>Produ\u00e7\u00e3o de camadas de isolamento<\/strong>: Os materiais de isolamento a v\u00e1cuo, os materiais de isolamento de espuma, etc. s\u00e3o transformados na forma de camadas de isolamento e colados entre o revestimento interior e o revestimento exterior.<br><br>(4) <strong>Montagem<\/strong>: Montar o revestimento interior, o revestimento exterior e a camada de isolamento e sel\u00e1-los.<br><br>(5) <strong>Inspe\u00e7\u00e3o<\/strong>: Realizar uma inspe\u00e7\u00e3o de qualidade e testes de desempenho no copo de isolamento pr\u00e9-fabricado para garantir que o produto cumpre as normas.<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"854\" height=\"642\" src=\"https:\/\/moyahousehold.com\/wp-content\/uploads\/2024\/04\/stainless-steel-products-wholesalermanufacturer.webp\" alt=\"grossista e fabricante de produtos de a\u00e7o inoxid\u00e1vel\" class=\"wp-image-3201\" style=\"width:516px;height:auto\" srcset=\"https:\/\/moyahousehold.com\/wp-content\/uploads\/2024\/04\/stainless-steel-products-wholesalermanufacturer.webp 854w, https:\/\/moyahousehold.com\/wp-content\/uploads\/2024\/04\/stainless-steel-products-wholesalermanufacturer-300x226.webp 300w, https:\/\/moyahousehold.com\/wp-content\/uploads\/2024\/04\/stainless-steel-products-wholesalermanufacturer-768x577.webp 768w, https:\/\/moyahousehold.com\/wp-content\/uploads\/2024\/04\/stainless-steel-products-wholesalermanufacturer-285x214.webp 285w, https:\/\/moyahousehold.com\/wp-content\/uploads\/2024\/04\/stainless-steel-products-wholesalermanufacturer-800x600.webp 800w, https:\/\/moyahousehold.com\/wp-content\/uploads\/2024\/04\/stainless-steel-products-wholesalermanufacturer-660x496.webp 660w, https:\/\/moyahousehold.com\/wp-content\/uploads\/2024\/04\/stainless-steel-products-wholesalermanufacturer-150x113.webp 150w\" sizes=\"(max-width: 854px) 100vw, 854px\" \/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\" style=\"font-size:25px\"><span class=\"ez-toc-section\" id=\"7Application_scenarios_of_vacuum_flask\"><\/span><strong>7. cen\u00e1rios de aplica\u00e7\u00e3o do bal\u00e3o de v\u00e1cuo<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" style=\"font-size:20px\"><span class=\"ez-toc-section\" id=\"1_Applications_in_daily_life\"><\/span><strong>(1) Aplica\u00e7\u00f5es na vida quotidiana<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p style=\"font-size:18px\"><strong>Fazer ch\u00e1<\/strong>: Muitas pessoas gostam de usar frascos de v\u00e1cuo para fazer ch\u00e1, que podem manter a temperatura e o aroma do ch\u00e1, tornando-o mais saboroso. Ao preparar o ch\u00e1, \u00e9 importante evitar mergulhar as folhas de ch\u00e1 em \u00e1gua quente durante muito tempo para n\u00e3o afetar a qualidade e o sabor das folhas de ch\u00e1. De um modo geral, o tempo de utiliza\u00e7\u00e3o de uma garrafa t\u00e9rmica para preparar ch\u00e1 n\u00e3o deve exceder 2-3 horas.<br><br><strong>\u00c1gua pot\u00e1vel<\/strong>: Durante o inverno ou as actividades ao ar livre, a utiliza\u00e7\u00e3o de um termo para beber \u00e1gua permite manter a temperatura da \u00e1gua e evitar o desconforto causado pela ingest\u00e3o de \u00e1gua fria. Ao beber \u00e1gua, tenha cuidado para n\u00e3o deitar demasiada \u00e1gua quente no copo isolado para evitar queimaduras ou derrames. De um modo geral, a temperatura para beber \u00e1gua de uma garrafa t\u00e9rmica n\u00e3o deve exceder 60 \u2103.<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"456\" height=\"589\" src=\"https:\/\/moyahousehold.com\/wp-content\/uploads\/2024\/05\/Using-a-vacuum-flask-to-drink-tea.webp\" alt=\"Utilizar um frasco de v\u00e1cuo para beber ch\u00e1\" class=\"wp-image-3985\" srcset=\"https:\/\/moyahousehold.com\/wp-content\/uploads\/2024\/05\/Using-a-vacuum-flask-to-drink-tea.webp 456w, https:\/\/moyahousehold.com\/wp-content\/uploads\/2024\/05\/Using-a-vacuum-flask-to-drink-tea-232x300.webp 232w, https:\/\/moyahousehold.com\/wp-content\/uploads\/2024\/05\/Using-a-vacuum-flask-to-drink-tea-285x368.webp 285w, https:\/\/moyahousehold.com\/wp-content\/uploads\/2024\/05\/Using-a-vacuum-flask-to-drink-tea-116x150.webp 116w\" sizes=\"(max-width: 456px) 100vw, 456px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.66%\">\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1016\" height=\"682\" src=\"https:\/\/moyahousehold.com\/wp-content\/uploads\/2024\/05\/Using-a-vacuum-flask-to-drink-water.webp\" alt=\"\" class=\"wp-image-3986\" style=\"width:512px;height:auto\" srcset=\"https:\/\/moyahousehold.com\/wp-content\/uploads\/2024\/05\/Using-a-vacuum-flask-to-drink-water.webp 1016w, https:\/\/moyahousehold.com\/wp-content\/uploads\/2024\/05\/Using-a-vacuum-flask-to-drink-water-300x201.webp 300w, https:\/\/moyahousehold.com\/wp-content\/uploads\/2024\/05\/Using-a-vacuum-flask-to-drink-water-768x516.webp 768w, https:\/\/moyahousehold.com\/wp-content\/uploads\/2024\/05\/Using-a-vacuum-flask-to-drink-water-285x191.webp 285w, https:\/\/moyahousehold.com\/wp-content\/uploads\/2024\/05\/Using-a-vacuum-flask-to-drink-water-660x443.webp 660w, https:\/\/moyahousehold.com\/wp-content\/uploads\/2024\/05\/Using-a-vacuum-flask-to-drink-water-150x101.webp 150w\" sizes=\"(max-width: 1016px) 100vw, 1016px\" \/><\/figure>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\" style=\"font-size:20px\"><span class=\"ez-toc-section\" id=\"2_Applications_in_the_medical_field\"><\/span><strong>(2) Aplica\u00e7\u00f5es no dom\u00ednio m\u00e9dico<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p style=\"font-size:18px\"><strong>Compressas quentes e frias<\/strong>: Nalgumas terapias f\u00edsicas, s\u00e3o necess\u00e1rias compressas frias e quentes para aliviar a dor ou promover a recupera\u00e7\u00e3o. Os frascos de v\u00e1cuo podem ser utilizados para conter \u00e1gua quente ou fria, proporcionando um tratamento cont\u00ednuo da temperatura.<br><br><strong>Armazenamento de medicamentos<\/strong>: Alguns medicamentos precisam de ser armazenados a temperaturas espec\u00edficas para manterem a sua efic\u00e1cia. As institui\u00e7\u00f5es m\u00e9dicas podem utilizar garrafas t\u00e9rmicas para armazenar estes medicamentos, assegurando que podem manter uma temperatura est\u00e1vel quando necess\u00e1rio.<br><br><strong>Utiliza\u00e7\u00e3o do bloco operat\u00f3rio<\/strong>: Durante o processo cir\u00fargico, \u00e9 por vezes necess\u00e1rio utilizar uma temperatura espec\u00edfica de um l\u00edquido ou medicamento. Um termo pode fornecer estes l\u00edquidos ou medicamentos na sala de opera\u00e7\u00f5es e manter a sua temperatura est\u00e1vel durante todo o processo cir\u00fargico.<br><br><strong>Isolamento diet\u00e9tico dos doentes<\/strong>: Para os doentes que necessitam de dietas especiais ou de dietas com temperaturas espec\u00edficas, podem ser utilizados frascos t\u00e9rmicos para manter os alimentos quentes, assegurando que podem manter uma temperatura adequada quando necess\u00e1rio.<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"374\" height=\"447\" src=\"https:\/\/moyahousehold.com\/wp-content\/uploads\/2024\/05\/The-vacuum-flask-on-the-operating-table.webp\" alt=\"O frasco de v\u00e1cuo na mesa de opera\u00e7\u00f5es\" class=\"wp-image-3989\" style=\"width:371px;height:auto\" srcset=\"https:\/\/moyahousehold.com\/wp-content\/uploads\/2024\/05\/The-vacuum-flask-on-the-operating-table.webp 374w, https:\/\/moyahousehold.com\/wp-content\/uploads\/2024\/05\/The-vacuum-flask-on-the-operating-table-251x300.webp 251w, https:\/\/moyahousehold.com\/wp-content\/uploads\/2024\/05\/The-vacuum-flask-on-the-operating-table-285x341.webp 285w, https:\/\/moyahousehold.com\/wp-content\/uploads\/2024\/05\/The-vacuum-flask-on-the-operating-table-126x150.webp 126w\" sizes=\"(max-width: 374px) 100vw, 374px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"496\" height=\"570\" src=\"https:\/\/moyahousehold.com\/wp-content\/uploads\/2024\/05\/The-vacuum-flask-on-the-operating-table2.webp\" alt=\"O frasco de v\u00e1cuo na mesa de opera\u00e7\u00f5es2\" class=\"wp-image-3990\" style=\"width:389px;height:auto\" srcset=\"https:\/\/moyahousehold.com\/wp-content\/uploads\/2024\/05\/The-vacuum-flask-on-the-operating-table2.webp 496w, https:\/\/moyahousehold.com\/wp-content\/uploads\/2024\/05\/The-vacuum-flask-on-the-operating-table2-261x300.webp 261w, https:\/\/moyahousehold.com\/wp-content\/uploads\/2024\/05\/The-vacuum-flask-on-the-operating-table2-285x328.webp 285w, https:\/\/moyahousehold.com\/wp-content\/uploads\/2024\/05\/The-vacuum-flask-on-the-operating-table2-131x150.webp 131w\" sizes=\"(max-width: 496px) 100vw, 496px\" \/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\" style=\"font-size:20px\"><span class=\"ez-toc-section\" id=\"3_Applications_in_the_laboratory\"><\/span><strong>(3) Aplica\u00e7\u00f5es no laborat\u00f3rio<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p style=\"font-size:18px\"><strong>Armazenamento de reagentes<\/strong>: Muitos reagentes qu\u00edmicos s\u00e3o muito sens\u00edveis \u00e0 temperatura e \u00e0 humidade. Ao colocar o frasco de reagente num termo, as flutua\u00e7\u00f5es de temperatura podem ser reduzidas, o que ajuda a manter a estabilidade e a atividade do reagente.<\/p>\n\n\n\n<p style=\"font-size:18px\"><strong>Armazenamento e rea\u00e7\u00e3o de l\u00edquidos<\/strong>: \u00c9 frequentemente necess\u00e1rio armazenar ou conduzir reac\u00e7\u00f5es l\u00edquidas a temperaturas espec\u00edficas no laborat\u00f3rio. Um termo pode ser utilizado como um recipiente tempor\u00e1rio para assegurar que o l\u00edquido mant\u00e9m a temperatura desejada.<\/p>\n\n\n\n<p style=\"font-size:18px\"><strong>Armazenamento de azoto l\u00edquido<\/strong>: Alguns laborat\u00f3rios necessitam de armazenar amostras biol\u00f3gicas ou compostos em azoto l\u00edquido. Os frascos de v\u00e1cuo podem ser utilizados para armazenar uma pequena quantidade de azoto l\u00edquido e manter o seu estado de baixa temperatura para garantir a preserva\u00e7\u00e3o e conserva\u00e7\u00e3o da amostra.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" style=\"font-size:25px\"><span class=\"ez-toc-section\" id=\"8Precautions_for_using_vacuum_flask\"><\/span><strong>8) Precau\u00e7\u00f5es na utiliza\u00e7\u00e3o do bal\u00e3o de v\u00e1cuo.<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p style=\"font-size:18px\"><br><strong>Evitar escald\u00f5es<\/strong>: Quando se adiciona \u00e1gua a ferver \u00e0 panela, esta n\u00e3o deve estar demasiado cheia, pois existe o risco de transbordar e escaldar. O pote t\u00e9rmico \u00e9 um produto de isolamento de alto v\u00e1cuo com um tempo de isolamento mais longo. Ao beber bebidas quentes, \u00e9 importante evitar queimaduras e \u00e9 melhor deit\u00e1-las noutros recipientes at\u00e9 a temperatura ser adequada antes de as beber.<br><br><strong>Evitar a deforma\u00e7\u00e3o<\/strong>: Evitar qualquer forma de aquecimento direto ou coloc\u00e1-lo numa \u00e1rea com temperaturas elevadas para n\u00e3o provocar a deforma\u00e7\u00e3o do produto e afetar a sua utiliza\u00e7\u00e3o.<br><br><strong>Evitar o crescimento bacteriano<\/strong>: Para minimizar o crescimento bacteriano, \u00e9 melhor n\u00e3o armazenar leite ou outros alimentos num frasco de v\u00e1cuo.<br><br><strong>Evitar o enchimento de l\u00edquidos suscept\u00edveis de sofrerem press\u00f5es elevadas:<\/strong>\u00a0Os produtos de isolamento de alto v\u00e1cuo devem evitar o enchimento de l\u00edquidos propensos a alta press\u00e3o, como gelo seco e bebidas carbonatadas, bem como l\u00edquidos \u00e1cidos e alcalinos fortes, para evitar a corros\u00e3o das paredes internas do recipiente.<br><br><strong>Limpeza<\/strong>: Antes de utilizar o copo isolante, \u00e9 necess\u00e1rio limp\u00e1-lo. Pode utilizar um detergente neutro e um pano macio para limpar os inv\u00f3lucros interior e exterior para remover o p\u00f3 e os odores. Tenha cuidado para n\u00e3o utilizar produtos de limpeza demasiado irritantes ou escovas duras durante a limpeza para evitar danificar os inv\u00f3lucros interior e exterior dos frascos de v\u00e1cuo.<br><br><strong>Armazenamento e manuten\u00e7\u00e3o<\/strong>: Quando n\u00e3o estiver a ser utilizado, o copo isolado deve ser guardado num local seco, ventilado e afastado da luz solar direta para evitar humidade ou deforma\u00e7\u00e3o. Quando se utiliza uma garrafa t\u00e9rmica, deve prestar-se aten\u00e7\u00e3o \u00e0 manuten\u00e7\u00e3o para evitar colis\u00f5es, quedas ou press\u00f5es, de modo a n\u00e3o afetar a vida \u00fatil e o efeito de isolamento da garrafa t\u00e9rmica. Se houver problemas como fugas de \u00e1gua ou diminui\u00e7\u00e3o do efeito de isolamento no copo de isolamento, este tem de ser reparado ou substitu\u00eddo atempadamente.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"985\" height=\"650\" src=\"https:\/\/moyahousehold.com\/wp-content\/uploads\/2024\/05\/clean-vacuum-bottle.webp\" alt=\"garrafa t\u00e9rmica limpa\" class=\"wp-image-3991\" style=\"width:637px;height:auto\" srcset=\"https:\/\/moyahousehold.com\/wp-content\/uploads\/2024\/05\/clean-vacuum-bottle.webp 985w, https:\/\/moyahousehold.com\/wp-content\/uploads\/2024\/05\/clean-vacuum-bottle-300x198.webp 300w, https:\/\/moyahousehold.com\/wp-content\/uploads\/2024\/05\/clean-vacuum-bottle-768x507.webp 768w, https:\/\/moyahousehold.com\/wp-content\/uploads\/2024\/05\/clean-vacuum-bottle-285x188.webp 285w, https:\/\/moyahousehold.com\/wp-content\/uploads\/2024\/05\/clean-vacuum-bottle-660x436.webp 660w, https:\/\/moyahousehold.com\/wp-content\/uploads\/2024\/05\/clean-vacuum-bottle-150x99.webp 150w\" sizes=\"(max-width: 985px) 100vw, 985px\" \/><\/figure>","protected":false},"excerpt":{"rendered":"<p>Na vida quotidiana, utilizamos frequentemente o frasco de v\u00e1cuo para beber \u00e1gua, fazer ch\u00e1 ou caf\u00e9. Mas alguma vez...<\/p>","protected":false},"author":1,"featured_media":3043,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-3982","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"_links":{"self":[{"href":"https:\/\/moyahousehold.com\/pt\/wp-json\/wp\/v2\/posts\/3982","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/moyahousehold.com\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/moyahousehold.com\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/moyahousehold.com\/pt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/moyahousehold.com\/pt\/wp-json\/wp\/v2\/comments?post=3982"}],"version-history":[{"count":0,"href":"https:\/\/moyahousehold.com\/pt\/wp-json\/wp\/v2\/posts\/3982\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/moyahousehold.com\/pt\/wp-json\/wp\/v2\/media\/3043"}],"wp:attachment":[{"href":"https:\/\/moyahousehold.com\/pt\/wp-json\/wp\/v2\/media?parent=3982"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/moyahousehold.com\/pt\/wp-json\/wp\/v2\/categories?post=3982"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/moyahousehold.com\/pt\/wp-json\/wp\/v2\/tags?post=3982"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}