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<li> <a href="list_69.htm">保健品药材冻干</a> </li> <li> <a href="list_70.htm">花茶类冻干</a> </li> <li> <a href="list_72.htm">肉类冻干</a> </li> <li> <a href="list_71.htm">冻干粉</a> </li> <li> <a href="list_73.htm">海鲜水产品冻干</a> </li> <li> <a href="list_74.htm">生物制品冻干</a> </li> <li> <a href="list_75.htm">方便食品冻干</a> </li> </ul> </li> <li class=""> <a href="list_5.htm" target=" _blank">联系我们</a> </li> </ul> <!--Dropdown_menus end--> <script type="text/javascript"> <!--用于下拉菜单--> $(function(){ $("#Dropdown_menus li").hover (function(){ $(this).addClass("Dropdown_menus_current"); $(this).removeClass("Dropdown_menus_none"); $(this).find("ul").show() }, function(){ $(this).addClass("Dropdown_menus_none"); $(this).removeClass("Dropdown_menus_current"); $(this).find("ul").hide() }); }); </script> </nav> <!--/nav_top--> <div class="clearall"></div> <style type="text/css"> .fullSlide,.fullSlide .bd,.fullSlide .bd li,.fullSlide .bd li a {height:500px;} </style> <div class="fullSlide"> <div class="bd"> <ul> <li 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href="/">上海田枫仪器有限公司</a></strong> >><a title="行业资讯" href="list_50.htm">行业资讯</a> >><a title="公司动态" href="list_51.htm">公司动态</a> </div> <!--/cp--> </div> <!--/info--> <!-- 中部开始 --> <div class="blank30"></div> <div class="content" id="print"> <!-- 正文 --> <div id="content_text"> <p>冻干机（冷冻干燥机）是一种用于将食品、药品和生物制品等转变为干燥状态的设备。<a href="https://www.tfyqchina.cn/list_9.htm" target="_self" title="冻干机是如何工作的？">冻干技术</a>通过将物质在冷冻状态下去除水分，从而保留其原有的营养成分和活性成分。那么，冻干机是如何实现这一过程的呢？<img src="/upload/images/202406/17189495327093.jpg" title="17189495327093.jpg" alt="虫10.jpg"/></p><p>首先，冻干机工作的第一步是冷冻过程。在这个阶段，物质被冷冻到极低的温度，通常在-50°C至-80°C之间。这样做是为了将物质中的水分冻结成固态，从而为后续的脱水过程做好准备。</p><p>接下来是真空干燥阶段。在冷冻状态下，冻干机会创建真空环境，这会使冰直接升华成水蒸气，而不经过液态阶段。这个过程称为升华，意味着冰的固态直接转变为气体，绕过了水的液态阶段。这样，物质中的水分就会被彻底去除，而不会对物质的结构和性质造成影响。<img src="/upload/images/202406/17189495418009.jpg" title="17189495418009.jpg" alt="虫11.jpg"/></p><p>最后，是加热回收阶段。在冻干过程中，物质本身可能会受到一些热量的影响，因此在冻干结束后，需要进行加热回收，以恢复其原有的温度和状态。<img src="/upload/images/202406/17189495471177.jpg" title="17189495471177.jpg" alt="虫12.jpg"/></p><p>总的来说，冻干机通过冷冻、真空干燥和加热回收等阶段，将物质中的水分去除，实现了食品、药品和生物制品的干燥保存。这种技术可以有效地延长物质的保存期限，并且在干燥过程中能够最大限度地保留原有的营养成分和活性成分，因此在食品工业和医药工业中得到了广泛的应用。</p><p><br/></p></div> </div> <div class="blank30"></div> <!-- tag --> <div class="blank10"></div> 标签： <a href='/tags/dongganji_30_1.html' target='_blank'>冻干机</a> <!-- 地区 --> <div class="blank10"></div> 地区： <a href="http://www.tfyqchina.cn/arealist_province_90_1.htm">上海市</a> <a href="http://www.tfyqchina.cn/arealist_section_170_1.htm">宝山区</a> <div class="blank30"></div> <!--自动调用自定义字段--> <div class="blank20"></div> <div class="blank30"></div> </div> <!-- 投票 --> <script src="/index.php?case=vote&act=view&aid=2150"></script> <div class="w_set"> <!-- 自定义表单开始 --> <!-- 自定义表单结束 --> <div class="blank60"></div> <!-- 上下页开始 --> <div id="page"> <strong>上一篇</strong><a href="show_2148.htm">冻干机生产工厂如何提高生产效率呢？</a> <div class="blank10"></div> <strong>下一篇</strong><a href="show_2154.htm">防爆冻干机的操作方法和步骤是什么？</a> </div> <!-- 上下页结束 --> 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