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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>一 使用范围</p><p>根据筛子产生运动的机构和筛子运动轨迹的不同，振动筛可以分为：偏心振动筛、惯性振动筛、自定中心振动筛，直线筛和共振筛。偏心振动筛和惯性振动筛振动性大、筛分效率较低，易发生筛孔堵塞现象，目前国内新建选矿厂已不再采用。而自定中心振筛克服了这两种筛子的缺点，从而得到了广泛应用、�/p><p><br/>自定中心振动筛又�?*吊筛，它是由带有偏心性质的振动器使筛子产生振动的筛分设备，主要有以下特点９�br/>1、该振动筛的配重质量大小可以调节，另外还可根据生产要求调节筛子振幅大小；<br/>2、当给矿量发生变化时，振幅也会发生变化。当给矿量多时振幅变小；而当给矿量少时振幅加大、振动加剧、�br/>3、筛上物料在振动作用下能达到很好的松散和分层：�br/>4、适用于中、细粒矿粒的筛分而不适应粗物料筛分、�/p><p><br/>� 性能特点<br/>产品标准<br/> QJ/AKJ02.08-89自定中心振动筛和QJ/AKJ02.09-89自定中心振动筛。　<br/>用途和特点９�br/> SZZ型自定中心振动筛运动轨迹为圆,全系列共有十二种规格,可供煤炭.冶金.建材.化工等部�?对中小粒度的物料进行分级.筛机结构简�?坚固可靠,维修方便,生产效率高、�/p><p><br/>选用须知<br/>1. 筛机分单层和双层，对小规格筛机配有移动式基础座架，除了SZZ1800×3600振动筛外都为吊式� <br/>2.筛网结构有编强网和冲孔筛板� <br/>3.电动机可安装在左侧或右侧，无特殊要求按安装图安装� <br/>4.选用时如有改变筛面倾角要求，对于座式筛可另行设计。对于吊式筛可由用户通过调整吊装装置的钢丝绳长度来实�?br/>5.基础螺栓全部由用户自夆�/p><p><br/>� 工作原理<br/>自定中心振动筛又�?*吊筛，它是由带有偏心性质的振动器使筛子产生振动的筛分设备，主要有以下特点９�br/>1、该振动筛的配重质量大小可以调节，另外还可根据生产要求调节筛子振幅大小；<br/>2、当给矿量发生变化时，振幅也会发生变化。当给矿量多时振幅变小；而当给矿量少时振幅加大、振动加剧、�br/>3、筛上物料在振动作用下能达到很好的松散和分层：�br/>4、适用于中、细粒矿粒的筛分而不适应粗物料筛分、�/p><p></p> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; 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