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} }); function showliuyan(me, showtype){ if(showtype==0){ //$("#Content").val($("#Content").attr('placeholder')); Content= document.getElementById('PopMsgFrom').Content.getAttribute('placeholder'); document.getElementById('PopMsgFrom').Content.value=Content; } if(showtype==1){ // $("#Content").val($(me).text()); alert($(me).text()); document.getElementById('PopMsgFrom').Content.value=$(me).text(); } $(".fxp").css("display","flex"); } function close_popwin(){ $(".fxp").css("display","none"); // 关闭虚拟电话后的留言� $(".dhxj").css("display","none"); $(".dhxjbox").css("display", "none"); $(".dhxjbox2").css("display", "none"); return false; } </script>  <div class="cpjs"> <div class="cpjs_tab"> <div class="js_cpjj" style="border-bottom: 3px solid #1479d7; color: #1479d7;">产品介绍</div> <div class="js_cxd">创新炸�/div> <div class="js_xgfa">相关方案</div> <div class="js_xgzl">相关资料</div> <div class="js_yhpl">用户评论</div> <div class="js_gsdt">公司动�?/div> <div class="js_wsj">问商宵�/div> </div> <script> $(function(){ // 切换 $(".cpjs_tab a").click(function(){ $(".cpjs_tab a").css({"color":"#4F5862","border-bottom-color":"transparent"}); $(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }); }); </script>  <div class="cpjj"> <div style="line-height: 17.25pt"><span style="color: #333333; font-size: 9pt">滚筒式谷物烘干机是对流传热连续干燥方式作业的一种干燥机，它广泛地被用来作为谷物干燥、草籽干燥以及草粉干燥。滚筒干燥机的特点是以滚筒作为干燥室，在滚筒内壁设有抄板，谷物在滚筒内的移动主要依靠谷物自身的重力进行移动，抄板起在干燥过程中对谷物有一个翻炒作用，谷物在滚筒内受到抄板的作用不断被抄起又落下而不断地翻动，使谷物颗粒能与干燥热风�?*的接触面积，使得谷物在其中受热均匀，从而让谷物得到较为均匀的干燥，保证快干燥的品质；同时抄板还对滚筒内的谷物具有一定的引流输导作用，方便谷物干燥后的自主卸料、�/span><span style="color: #333333; font-size: 9pt"> <br /> </span><span style="color: #333333; font-size: 9pt">谷物的干燥机琅�/span><span style="color: #333333; font-size: 9pt"> <br /> </span><span style="color: #333333; font-size: 9pt">　　谷物干燥是利用谷物内部水分不断向外表面扩散和表面水分不断蒸发来实现的</span><span style="color: #333333; font-size: 9pt">[2]</span><span style="color: #333333; font-size: 9pt">。谷物表面水分的蒸发，取决于空气中水蒸气分压力的大小。空气中水蒸气压力与谷物表面问的水蒸气分压力之差，是谷物干燥的推动力，它的大小决定谷物表面水分蒸发速度。谷物内部水分的移动现象。称为内扩散，内扩散又分为湿扩散和热扩散。谷物干燥过程中，表面水分蒸发，破坏了谷物水分平衡，其表面含水率小于内部的含水率，形成了湿度梯度。由于湿度梯度，而引起水分向含水率低的方向移动．这种现象称为湿扩散。谷物受热后，表面温度高于内部温度，形成温度梯度。由于存在温度梯度．水分随着热源方向由高温处移向低温处，这种现象称为热扩散。温度梯度与温度梯度方向一致时，谷物中水分热扩散和湿扩散方向一致，加速谷物干燥而不影响干燥效果和质野�/span><span style="color: #333333; font-size: 9pt">[2]</span><span style="color: #333333; font-size: 9pt">。如温度梯度和湿度梯度方向相反，使谷物中水分热扩散和湿扩散以相反的方向移动时，影响干燥速度。但由于加热温度较低，谷物体积较小，对水分向外移动影响不大。如果温度较高，热扩散比澎扩散进行得强烈时，往往谷物内部水分向外移动的速度低于谷物表面水分蒸发的速度，而影响干燥质量。严重的情况下，谷物内部的水分不但不能扩散到谷物表面，反而把水分往内迁移，形成谷物表面裂纹等现象、�/span></div> <span style="color: #333333; font-size: 9pt">滚筒烘干机的结构原理</span><span style="color: #333333; font-size: 9pt"> <br /> </span><span style="color: #333333; font-size: 9pt">　　工作原理：工作时，滚筒逆时针方向转动，进料端与卸料端不动，已达到连续进料和卸料的作用，在滚筒外侧的两端安装有滚圈，用作滚筒回转的轨道。待烘干的谷物从进料口输送进入干燥滚筒，滚筒内焊接有纵向抄板，当滚筒回转时，滚筒底部的种子被抄板炒起，随着滚筒的回转，抄板中的种子渐渐均匀撒落。处于均匀撒落状态的稻谷受到热风的吹拂，使稻谷中的水分蒸发出来。且滚筒在安装中月�/span><span style="color: #333333; font-size: 9pt">2-5</span><span style="color: #333333; font-size: 9pt">度的轴向倾角</span><span style="color: #333333; font-size: 9pt">[7]</span><span style="color: #333333; font-size: 9pt">，被干燥后的谷物在自身重力和滚筒的回转作用下从卸料口出料，完成一次干燥、�/span><span style="color: #333333; font-size: 9pt"> <br /> <br /> <br /> </span> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; 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