上海捷钛防爆平流�?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 style="box-sizing: border-box; margin: 0pt; padding: 0px; color: rgb(51, 51, 51); font-family: " microsoft="" font-size:="" text-wrap:="" background-color:="" line-height:=""><strong style="box-sizing: border-box; margin: 0px;"><span mso-fareast-font-family:="" mso-bidi-font-family:="" times="" new="" mso-font-kerning:="" style="box-sizing: border-box; margin: 0px; font-family: Calibri; font-size: 12pt;"><span style="box-sizing: border-box; margin: 0px; font-family: 宋体;">防爆恒流泵平流泵</span></span></strong></p><p style="box-sizing: border-box; margin: 0pt; padding: 0px; color: rgb(51, 51, 51); font-family: " microsoft="" font-size:="" text-wrap:="" background-color:="" line-height:=""><span mso-fareast-font-family:="" mso-bidi-font-family:="" times="" new="" mso-font-kerning:="" style="box-sizing: border-box; margin: 0px; font-family: Calibri; font-size: 12pt;"><span style="box-sizing: border-box; margin: 0px; font-family: 宋体;">特点</span></span></p><p style="box-sizing: border-box; margin: 0pt; padding: 0px; color: rgb(51, 51, 51); font-family: " microsoft="" font-size:="" text-wrap:="" background-color:="" line-height:=""><span mso-fareast-font-family:="" mso-bidi-font-family:="" times="" new="" mso-font-kerning:="" style="box-sizing: border-box; margin: 0px; font-family: Calibri; font-size: 12pt;">1.<span style="box-sizing: border-box; margin: 0px; font-family: 宋体;">瞬时流量是脉动的</span></span></p><p style="box-sizing: border-box; margin: 0pt; padding: 0px; color: rgb(51, 51, 51); font-family: " microsoft="" font-size:="" text-wrap:="" background-color:="" line-height:=""><span mso-fareast-font-family:="" mso-bidi-font-family:="" times="" new="" mso-font-kerning:="" style="box-sizing: border-box; margin: 0px; font-family: Calibri; font-size: 12pt;"><span style="box-sizing: border-box; margin: 0px; font-family: 宋体;">这是因为在柱塞泵中，液体介质的吸入和排出过程是交替进行的，而且活塞在位移过程中，其速度又在不断地变化之中。在只有一个工作腔的泵中，泵的瞬时流量不仅随时间而变化，而且是不连续的。随着工作腔的增多，瞬时流量的脉动幅度越来越小，乃至在实用上可以认为是紊流、�/span></span></p><p style="box-sizing: border-box; margin: 0pt; padding: 0px; color: rgb(51, 51, 51); font-family: " microsoft="" font-size:="" text-wrap:="" background-color:="" line-height:=""><span mso-fareast-font-family:="" mso-bidi-font-family:="" times="" new="" mso-font-kerning:="" style="box-sizing: border-box; margin: 0px; font-family: Calibri; font-size: 12pt;">2.<span style="box-sizing: border-box; margin: 0px; font-family: 宋体;">平均流量是恒定的</span></span></p><p style="box-sizing: border-box; margin: 0pt; padding: 0px; color: rgb(51, 51, 51); font-family: " microsoft="" font-size:="" text-wrap:="" background-color:="" line-height:=""><span mso-fareast-font-family:="" mso-bidi-font-family:="" times="" new="" mso-font-kerning:="" style="box-sizing: border-box; margin: 0px; font-family: Calibri; font-size: 12pt;"><span style="box-sizing: border-box; margin: 0px; font-family: 宋体;">理论上，泵的流量只取决于泵的主要结构参数</span> n(<span style="box-sizing: border-box; margin: 0px; font-family: 宋体;">每分钟往复次�?/span><span style="box-sizing: border-box; margin: 0px;">)</span><span style="box-sizing: border-box; margin: 0px; font-family: 宋体;">�?/span><span style="box-sizing: border-box; margin: 0px;">S(</span><span style="box-sizing: border-box; margin: 0px; font-family: 宋体;">活塞行程</span><span style="box-sizing: border-box; margin: 0px;">)</span><span style="box-sizing: border-box; margin: 0px; font-family: 宋体;">�?/span><span style="box-sizing: border-box; margin: 0px;">D(</span><span style="box-sizing: border-box; margin: 0px; font-family: 宋体;">活塞直径</span><span style="box-sizing: border-box; margin: 0px;">)</span><span style="box-sizing: border-box; margin: 0px; font-family: 宋体;">�?/span><span style="box-sizing: border-box; margin: 0px;">Z(</span><span style="box-sizing: border-box; margin: 0px; font-family: 宋体;">活塞数目</span><span style="box-sizing: border-box; margin: 0px;">)</span><span style="box-sizing: border-box; margin: 0px; font-family: 宋体;">，与排出压力无关，且与输送介质的温度、粘度等物理、化学性质无关。所以说泵的流量是恒定的、�/span></span></p><p style="box-sizing: border-box; margin: 0pt; padding: 0px; color: rgb(51, 51, 51); font-family: " microsoft="" font-size:="" text-wrap:="" background-color:="" line-height:=""><span mso-fareast-font-family:="" mso-bidi-font-family:="" times="" new="" mso-font-kerning:="" style="box-sizing: border-box; margin: 0px; font-family: Calibri; font-size: 12pt;">3.<span style="box-sizing: border-box; margin: 0px; font-family: 宋体;">泵的压力取决于管道特�?/span></span></p><p style="box-sizing: border-box; margin: 0pt; padding: 0px; color: rgb(51, 51, 51); font-family: " microsoft="" font-size:="" text-wrap:="" background-color:="" line-height:=""><span mso-fareast-font-family:="" mso-bidi-font-family:="" times="" new="" mso-font-kerning:="" style="box-sizing: border-box; margin: 0px; font-family: Calibri; font-size: 12pt;"><span style="box-sizing: border-box; margin: 0px; font-family: 宋体;">柱塞泵的排出压力不能由泵本身限定，而是取决于泵装置的管道特性，并且与流量无关。也就是说，如果认为输送液体是不可压缩的，那么，在理论上可认为往复泵的排出压力将不受任何限制，即可根据泵装置的管道特性，建立泵的任何所需的排出压力。当然，所有往复泵都有一个泵的排出压力的规定，这不是说该泵的排出压力不会再升高，而只是说，由于原动机额定功率和泵本身的结构强度的限制，不允许在超出这一排出压力下使用而己、�/span></span></p><p style="box-sizing: border-box; margin: 0pt; padding: 0px; color: rgb(51, 51, 51); font-family: " microsoft="" font-size:="" text-wrap:="" background-color:="" line-height:=""><span mso-fareast-font-family:="" mso-bidi-font-family:="" times="" new="" mso-font-kerning:="" style="box-sizing: border-box; margin: 0px; font-family: Calibri; font-size: 12pt;">4.<span style="box-sizing: border-box; margin: 0px; font-family: 宋体;">对输送介质有较强的适应�?/span></span></p><p style="box-sizing: border-box; margin: 0pt; padding: 0px; color: rgb(51, 51, 51); font-family: " microsoft="" font-size:="" text-wrap:="" background-color:="" line-height:=""><span mso-fareast-font-family:="" mso-bidi-font-family:="" times="" new="" mso-font-kerning:="" style="box-sizing: border-box; margin: 0px; font-family: Calibri; font-size: 12pt;"><span style="box-sizing: border-box; margin: 0px; font-family: 宋体;">柱塞泵原则上可以输送任何介质，几乎不受介质的物理性能和化学性能的限制。当然，由于液力端的材料和制造工艺以及密封技术的限制，有时也会遇到不能适应的情况、�/span></span></p><p style="box-sizing: border-box; margin: 0pt; padding: 0px; color: rgb(51, 51, 51); font-family: " microsoft="" font-size:="" text-wrap:="" background-color:="" line-height:=""><span mso-fareast-font-family:="" mso-bidi-font-family:="" times="" new="" mso-font-kerning:="" style="box-sizing: border-box; margin: 0px; font-family: Calibri; font-size: 12pt;">5.<span style="box-sizing: border-box; margin: 0px; font-family: 宋体;">有良好的自吸性能</span></span></p><p style="box-sizing: border-box; margin: 0pt; padding: 0px; color: rgb(51, 51, 51); font-family: " microsoft="" font-size:="" text-wrap:="" background-color:="" line-height:=""><span mso-fareast-font-family:="" mso-bidi-font-family:="" times="" new="" mso-font-kerning:="" style="box-sizing: border-box; margin: 0px; font-family: Calibri; font-size: 12pt;"><span style="box-sizing: border-box; margin: 0px; font-family: 宋体;">柱塞泵不仅有良好的吸入性能，而且还有良好的自吸性能。因此，对多数往复泵来说，在启动前通常不需灌泵、�/span> <span style="box-sizing: border-box; margin: 0px; font-family: 宋体;">机器效率高，节能、�/span></span></p><p><br/></p> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; 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