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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"> <p><strong>产品说明</strong><br/> 该方式常适用于较长的输送管线距离及精细的、颗粒状的、磨蚀性和非磨蚀性的及其它难于输送的<br/>物料。如PVC粉、铝矾土、绵白糖、奶粉、苏打粉、荧石粉、氟化铝等。该系统主要由发送罐、输送管线、管线增压器及电控部分等组成、�/p><p><strong>工作原理<br/></strong> 在进料过程中物料通过双蝶阀或膨胀式蝶阀，在重力作用下被加进发送罐中，被置换出的空气通过排气阀释放出去，从而使得进料更加容易。一旦发送罐被装满（罐容积的90%），此时进料阀和排气阀门被同时关闭并密封、�br/> 管线增压器的气源由另外一组附管进行供给，该管路的主要作用是为主输送管路上的增压器提供气源。增压器在为主管路进行增压的同时，通过其内部的止回机构来阻止输送管路内的物料进入增压器与附管路内。对于非常难于输送或比重很大的物料增压器之间的安装距离较近，反之则较远。当输送管线内部物料接近变空时，发送罐里压力降为零，此时气体供给阀门立即被关闭，同时剩余气体被排出输送管线、�br/>　　该系统特点是在整个输送过程中为较低的气体流动速度与较低的输送压力、�/p><p><strong>优点９�/strong>可以实现长距离无堵管输送，可输送物料种类较多，运行成本可以较大程度节省，是高端输送要求场合的必配、�/p><p><strong>缺点９�/strong>管道增压系统较复杂，设备安装较复杂，投资成本稍大、�/p><p></p> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; font-size: 14px; margin: 10px 0 0; line-height: 26px;"> 暂无数据� </p> </div>  <div class="xgfa"> <div class="xgfa_tit"> <div> <span></span>相关方案 </div> </div> <div class="xgfa_box" style="display: block;"><div style="padding:10px;">暂无相关方案、�/div> </div> </div> <script> $(function(){ // 切换 $(".xgfa_tit_ul li").hover(function(){ $(".xgfa_tit_ul li").css({"color":"#4F5862","border-bottom-color":"transparent"}); 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