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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 style="text-align:center"><img src="https://img1.cnpowder.com.cn/img/daily/2018/05/23/161837_093202_procont.jpg" title="161837_093202_procont.jpg" alt="烘干机a.jpg" width="653" height="566" style="width: 653px; height: 566px;"/></p><p> 目前，常用的三筒沙子烘干朹�span style="box-sizing: inherit; border: 0px; font-family: "Microsoft YaHei", Helvetica, Arial, Tahoma, sans-serif; outline: 0px; padding: 0px; vertical-align: baseline; color: rgb(51, 51, 51); text-align: center; text-indent: 28px; background-color: rgb(255, 255, 255);">内筒与中�?中筒与外筒的连接在降低烟气阻力及减少连接处的应力集中方面考虑较少，中筒进料端的封闭结构常采用圆柱形筒体与锥台型筒体直接相连，烟气阻力较大，同时，筒体在受到不同工作温度作用伸长量不同时产能应力集中，焊缝极易开裂，导致漏料、�/span></p><p><span style="box-sizing: inherit; border: 0px; font-family: "Microsoft YaHei", Helvetica, Arial, Tahoma, sans-serif; outline: 0px; padding: 0px; vertical-align: baseline; color: rgb(51, 51, 51); text-align: center; text-indent: 28px; background-color: rgb(255, 255, 255);"> 对此，我们建议采用圆柱型筒体与半球面直接平滑连接，则系统烟气阻力明显较小，且大大提高了抵抗应力的集中的能力，对采用抛物面、半球面、双曲面等方式进行比较，因半球面与中筒相切连接，平滑过渡，故烟气阻力相对较小，采用抛物面与双曲面时的流体局部阻力要稍大于采用半球面。当然，半球面的制造较为复杂，可采用近似半球面曲率的曲面来代替�?*由旋压机直接压制成型。外筒进料端的封闭结构目前普遍采用圆环型钢板将内筒进料端外侧与外筒进料端内侧简单连接，烟气阻力较大，容易积料。建议设置圆环弧形烟气导流板，可大大降低烟气阻力，且可完全避免物料堵塞现象。实践证明，三筒沙子烘干机采用半球型导流板能降低系统运行能耗、�/span></p><p><span style="box-sizing: inherit; border: 0px; font-family: "Microsoft YaHei", Helvetica, Arial, Tahoma, sans-serif; outline: 0px; padding: 0px; vertical-align: baseline; color: rgb(51, 51, 51); text-align: center; text-indent: 28px; background-color: rgb(255, 255, 255);"> 回转装置作为三筒沙子烘干机的核心部件，其3个筒体之间的连接方式是否科学合理将直接关系到三筒沙子烘干机运行可靠性与经济性，采用合理的筒体间连接方式，保�?个筒体之间的连接适应工作工作状态的热胀冷缩，设置正确形状的烟气导向装置，可大幅度提高三筒沙子烘干机的可靠性与相关系统的热交换效率，减少系统阻力，降低系统能耗、�/span></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;"> 我厂可根据客户的需求来提供不同的配置方案及设计方案 </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"}); $(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); var _index = $(this).index(); 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