山东丰力气力输�?参数-价格-中国粉体罐�/title>

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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>气力输�?br/></p><p><br/></p><p>根据颗粒在输送管道中的密集程度，气力输送分为：</p><p>　　①稀气力输送相输送：固体含量低于1-10kg/m3，操作气速较高（�?8�?0m/s），输送距离基本上�?00m 以内。现成熟设备料封泵来说，输送操作简单无机械转动部件，输送压力低，无维修、免维护、�/p><p>　　②密相输送：固体含量10-30kg/m3或固气比大于25的输送过程。操作气速较低，用较高的气压压送� 现成熟设备仓泵，输送距离达�?00m 以上，适合较远距离输送，但此设备阀门较多，气动、电动设备多。输送压力高，所有管道需用耐磨材料。间歇充气罐式密相输送。是将颗粒分批加入压力罐，然后通气吹松，待罐内达一定压力后，打开放料阀，将颗粒物料吹入输送管中输送。脉冲式输送是将一股压缩空气通入下罐，将物料吹松；另一股频率为20�?0min-1脉冲压缩空气流吹入输料管入口，在管道内形成交替排列的小段料柱和小段气柱，借空气压力推动前进、�/p><p>　　③负压输送：</p><p>　　管道内压力低于大气压，自吸进料，但须在负压下卸料，能够输送的距离较短；优点：设备投资、负荷较小。缺点：运行流速高，管道磨损严重，磨损出现漏洞无法察觉、�/p><p>在水平管道中进行稀相输送时，气速应较高，使颗粒分散悬浮于气流中。气速减小到某一临界值时，颗粒将开始在管壁下部沉积。此临界气速称为沉积速度。这是稀相水平输送时气速的下限。操作气速低于此值时，管内出现沉积层，流道截面减少，在沉积层上方气流仍按沉积速度运行、�/p><p>　　在垂直管道中作向上气力输送，气速较高时颗粒分散悬浮于气流中。在颗粒输送量恒定时，降低气速，管道中固体含量随之增高。当气速降低到某一临界值时，气流已不能使密集的颗粒均匀分散，颗粒汇合成柱塞状，出现腾涌现象，压力降急剧升高。此临界速度称噎塞速度，这是稀相垂直向上输送时气速的下限。对于粒径均匀的颗粒，沉积速度与噎塞速度大致相等。但对粒径有一定分布的物料，沉积速度将是噎塞速度�?�?倌�/p><p><br/></p><p><br/></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"}); $(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); var _index = $(this).index(); $(".xgfa_box").css("display","none"); $(".xgfa_box").eq(_index).css("display","block"); }); }); </script>  <div class="xgzl"> <div class="cxd_tit"><span></span>相关资料</div> <div class="xgzl_box"><div style="padding:10px;">暂无数据、�/div> </div> </div>  <div class="yhpl"> <div class="cxd_tit"><span></span>用户评论</div> <form id="FormComments" action="" method="post" onsubmit="return false"> <input name="SaveProComments" id="SaveProComments" type="hidden" value="yes" /> <input name="ProductID" id="ProductID" type="hidden" value="160985" /> <input name="ProQuality" id="ProQuality" type="hidden" value="10" /> <input name="ProService" id="ProService" type="hidden" value="10" /> <input name="ProUsability" id="ProUsability" type="hidden" value="10" /> <input name="ProCostperformance" id="ProCostperformance" type="hidden" value="10" /> <div class="yhpl_pf"> <div> <p>产品质量</p> <div><span id="Quality" class="stars star10"></span><span id="Quality_Val" class="ScoreVal" curScore="10">10刅�/span></div> </div> <div> <p>售后服务</p> <div><span id="Service" class="stars star10"></span><span id="Service_Val" class="ScoreVal" curScore="10">10刅�/span></div> </div> <div> <p>易用�?/p> <div><span id="Usability" class="stars star10"></span><span id="Usability_Val" class="ScoreVal" curScore="10">10刅�/span></div> </div> <div> <p>性价毓�/p> <div><span id="Costperformance" class="stars star10"></span><span id="Costperformance_Val" class="ScoreVal" curScore="10">10刅�/span></div> </div> </div> <div class="yhpl_pftit">评论内容</div> <textarea name="Comments" id="ProComments" onfocus="checklogin();" placeholder="分享产品使用经验/采购评价（不超过500字）">