仲尼机械干式螺杆真空�?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="margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(68, 68, 68); font-family: "Microsoft YaHei", SimHei, SimYou, SimSun, Arial; font-size: 14px; white-space: normal; background-color: rgb(235, 235, 235);"><span style="font-size: 16px;">干式螺杆<span style="text-decoration:underline;">真空泴�/span>是主要是利用一对螺杆，其特点是两螺杆经精细动平衡校正，由轴承支撑，安装在泵壳中，螺杆与螺杆之间都有一定的间隙，所以使徖�span style="text-decoration:underline;">干式螺杆真空泴�/span>工作时，相互之间无磨擦，运转平稳，噪音低，工作腔无需润滑油，干式螺杆泵能抽除含有大量水蒸汽及少量粉尘的气体场合，极限真空更高。但是在我国使用的螺杆泵主要依靠进口，价格非常昂贵、�/span><br/> </p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(68, 68, 68); font-family: "Microsoft YaHei", SimHei, SimYou, SimSun, Arial; font-size: 14px; white-space: normal; background-color: rgb(235, 235, 235);"><span style="font-size: 16px;">　　干式螺杆真空泵，它利用一对螺杆，在泵壳中作同步高速反向旋转而产生的吸气和排气作用的抽气设备。它的优势弥补了油封式真空泵的不足，我们都称之为油封式真空泵的升级版。但是干式螺杆真空泵的造价也是它的不足之处。接下来主要介绍它的优点和缺点：</span><br/> </p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(68, 68, 68); font-family: "Microsoft YaHei", SimHei, SimYou, SimSun, Arial; font-size: 14px; white-space: normal; background-color: rgb(235, 235, 235);"><span style="font-size: 16px;">　　干式螺杆真空泵的优点</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(68, 68, 68); font-family: "Microsoft YaHei", SimHei, SimYou, SimSun, Arial; font-size: 14px; white-space: normal; background-color: rgb(235, 235, 235);"><span style="font-size: 16px;">　　1、工作腔及螺杆转子表面有防腐涂层，可适应恶劣工况</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(68, 68, 68); font-family: "Microsoft YaHei", SimHei, SimYou, SimSun, Arial; font-size: 14px; white-space: normal; background-color: rgb(235, 235, 235);"><span style="font-size: 16px;">　　2、气体在泵内无压缩，适宜抽取可凝性气佒�/span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(68, 68, 68); font-family: "Microsoft YaHei", SimHei, SimYou, SimSun, Arial; font-size: 14px; white-space: normal; background-color: rgb(235, 235, 235);"><span style="font-size: 16px;">　　3、不耗油，无滴漏</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(68, 68, 68); font-family: "Microsoft YaHei", SimHei, SimYou, SimSun, Arial; font-size: 14px; white-space: normal; background-color: rgb(235, 235, 235);"><span style="font-size: 16px;">　　4、结构简单，维护方便、�/span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(68, 68, 68); font-family: "Microsoft YaHei", SimHei, SimYou, SimSun, Arial; font-size: 14px; white-space: normal; background-color: rgb(235, 235, 235);"><span style="font-size: 16px;">　　5、被抽气体直接排出泵体，不污染水，无环保压力，气体回收更便捷、�/span><br/> </p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(68, 68, 68); font-family: "Microsoft YaHei", SimHei, SimYou, SimSun, Arial; font-size: 14px; white-space: normal; background-color: rgb(235, 235, 235);"><span style="font-size: 16px;">　　干式螺杆真空泵的缺点</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(68, 68, 68); font-family: "Microsoft YaHei", SimHei, SimYou, SimSun, Arial; font-size: 14px; white-space: normal; background-color: rgb(235, 235, 235);"><span style="font-size: 16px;">　　1、由于螺杆泵加工难度大，我国使用的螺杆泵主要依靠进口，价格非常昂贵、�/span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(68, 68, 68); font-family: "Microsoft YaHei", SimHei, SimYou, SimSun, Arial; font-size: 14px; white-space: normal; background-color: rgb(235, 235, 235);"><span style="font-size: 16px;">　　2、不适于抽除含有爆炸性的气体、�/span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(68, 68, 68); font-family: "Microsoft YaHei", SimHei, SimYou, SimSun, Arial; font-size: 14px; white-space: normal; background-color: rgb(235, 235, 235);"><span style="font-size: 16px;">　　3、不适于抽除含氧过高的气体、�/span><br/> </p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; color: rgb(68, 68, 68); font-family: "Microsoft YaHei", SimHei, SimYou, SimSun, Arial; font-size: 14px; white-space: normal; background-color: rgb(235, 235, 235);"><span style="font-size: 16px;">　　随着我国工业界的发展，在半导体工业、液晶显示器等工艺制造中，对清洁真空环境的要求越来越高，而传统的有油真空泵已经达不到这样的要求了。螺杆型干式真空泵以其抽速范围宽、结构简单紧凑、抽气腔元件无摩擦、寿命长、能耗低、无油污染等优点，得到越来越多制造和应用单位的重视，在干式真空泵市场中占有重要的地位。在欧美和日本等发达，螺杆型干式真空泵在很多领域已经越来越多的代替了传统的有油泵、�/span></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"); 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