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cellpadding="0" align="center"><tbody><tr class="firstRow"><td style="text-align:center;"><img alt="罗茨真空泵特点|罗茨真空泵使用|特点与原�? src="https://img1.cnpowder.com.cn/img/daily/2018/12/12/094818_774254_procont.png" title="" width="327" height="299" align=""/><br/> </td> <td style="text-align:center;"> <img alt="罗茨真空泵特点|罗茨真空泵使用|特点与原�? src="https://img1.cnpowder.com.cn/img/daily/2018/12/12/094819_177823_procont.png"/><br/> </td> </tr> </tbody> </table></span></p><table class="ke-zeroborder" style="width: 666px;" width="85" cellspacing="0" cellpadding="0" align="center"> <tbody> <tr class="firstRow"> <td style="text-align:center;"> <img alt="罗茨真空泵特点|罗茨真空泵使用|特点与原�? src="https://img1.cnpowder.com.cn/img/daily/2018/12/12/094819_953849_procont.png" title="" width="328" height="299" align=""/><br/> </td> <td style="text-align:center;"> <img alt="罗茨真空泵特点|罗茨真空泵使用|特点与原�? src="https://img1.cnpowder.com.cn/img/daily/2018/12/12/094820_281425_procont.png"/><br/> </td> </tr> </tbody> </table><p> <span style="line-height:1.5;"><br/><br/></span> </p><table class="ke-zeroborder" width="100" align="center"> <tbody> <tr class="firstRow"> <td style="" height="50"> <p style="text-align:center;"> <span style="font-size:18px;font-family:'Microsoft YaHei';"><strong>结构示意�?ZJ罗茨泴�/strong></span> </p> </td> </tr> </tbody></table><table class="ke-zeroborder"> <tbody> <tr class="firstRow"> <td> <p> <img alt="罗茨真空泵特点|罗茨真空泵使用|特点与原�? src="https://img1.cnpowder.com.cn/img/daily/2018/12/12/094820_725482_procont.jpg" title="" width="601" height="350"/> </p> </td> <td> <p style="text-align:justify;"> <span style="font-family:'Microsoft YaHei';font-size:14px;"> <span style="line-height:1.5;"> </span><span style="font-size:16px;line-height:1.5;"> </span><span style="font-family:'Microsoft YaHei';font-size:16px;line-height:1.5;">结构示意�?-ZJ罗茨泵罗茨真空泵，是一种无内压缩的旋转变容式真空泵，又称机械增压泵，其优点� 在较低的入口压力时具有较高的抽气速率，它是目前获得中、高 真空的主要抽气设备之一，其工作原理与罗茨鼓风机相反，一个抽气一个排� 、�/span></span> </p> <p style="text-align:justify;"> <span style="font-family:'Microsoft YaHei';font-size:16px;line-height:1.5;"> 罗茨泵主要由一对同步高速旋转的一对转子与两个半圆形的泵腔组成。二个转� 被支撑在泵壳侧面端盖的滚动轴承中，依靠一对可调的同步 齿轮使二个转子在高速旋转时始终保持一定的相互位置 ，二转子与端盖之间的侧面间隙是靠固定端轴承座下面的可调金属垫片来保证，使之泵在工作时因受热需转子只能向一面膨胀、�/span> </p> <p style="text-align:justify;"> <span style="font-family:'Microsoft YaHei';font-size:16px;line-height:1.5;"> 罗茨泵通过电动机的动力经过联轴器传给主动轴，再通过同步齿轮传给从动轴、�/span> </p> </td> </tr> </tbody></table><p> </p><table class="ke-zeroborder" width="100"> <tbody> <tr class="firstRow"> <td style="text-align: center;" height="50"> <strong><span style="font-size:18px;font-family:'Microsoft YaHei';">结构示意�?ZJ罗茨泴�/span></strong> </td> </tr> </tbody> </table><table class="ke-zeroborder" width="100"> <tbody> <tr class="firstRow"> <td> <p style="text-align:justify;"> <span style="font-size:16px;"> <span style="line-height:2;"> ZJB罗茨真空泵带有旁通阀，是ZJ系列罗茨真空泵的派生产品。抽气原理同ZJ系列罗茨真空泵一样，也是利用一对转子在泵壳中保持一定的间隙，作等速反向而产生吸气和排气作用� 。所不同的ZJB系列罗茨真空泵的进排气口连通，在通道上垂直地装置着一个自重阀、�/span></span> </p> <p style="text-align:justify;"> <span style="font-size:16px;line-height:2;"> 其作用是当进口和排气口的压力差与阀的有效作用面积的乘积超过阀头的自重时，阀头就自动顶开。这个数值是设计的泵可靠运转�?*压力差值。因此这种阀实际上就是一种过载自动保护阀、�/span> </p> </td> <td> <p> <img alt="罗茨真空泵特点|罗茨真空泵使用|特点与原�? src="https://img1.cnpowder.com.cn/img/daily/2018/12/12/094821_411372_procont.png" title="" width="489" height="350"/> </p> </td> </tr> </tbody></table><table class="ke-zeroborder" width="100"> <tbody> <tr class="firstRow"> <td style="text-align: center;" height="50"> <strong><span style="font-family:'Microsoft YaHei';font-size:18px;">工作原理动态示意图-罗茨泴�/span></strong> </td> </tr> </tbody></table><p> </p><table style="width: 666px;" width="100"> <tbody> <tr class="firstRow"> <td style="text-align:center;"> <img alt="罗茨真空泵特点|罗茨真空泵使用|特点与原�? src="https://img1.cnpowder.com.cn/img/daily/2018/12/12/094821_872662_procont.png" title="" width="250" height="250"/><br/> </td> <td style="text-align:center;"> <img alt="罗茨真空泵特点|罗茨真空泵使用|特点与原�? src="https://img1.cnpowder.com.cn/img/daily/2018/12/12/094822_332293_procont.png" title="" width="250" height="250"/><br/> </td> <td style="text-align:center;"> <img alt="罗茨真空泵特点|罗茨真空泵使用|特点与原�? src="https://img1.cnpowder.com.cn/img/daily/2018/12/12/094822_811393_procont.png" title="" width="249" height="250"/><br/> </td> <td style="text-align:center;"> <img alt="罗茨真空泵特点|罗茨真空泵使用|特点与原�? src="https://img1.cnpowder.com.cn/img/daily/2018/12/12/094823_288624_procont.png" title="" width="251" height="250"/><br/> </td> </tr> </tbody> </table><p> </p><table class="ke-zeroborder" width="100"> <tbody> <tr class="firstRow"> <td style="text-align: center;" height="50"> <strong><span style="font-size:18px;font-family:'Microsoft YaHei';">使用特点-罗茨泴�/span></strong> </td> </tr> </tbody> </table><p> </p><table class="ke-zeroborder" width="100"> <tbody> <tr class="firstRow"> <td> <span style="line-height:1.5;"> <span style="font-size:16px;"> <span style="line-height:2;"> 1.能在很宽的压强范围内有较大的抽速、�/span></span></span><br/> </td> </tr> <tr> <td> <span style="line-height:2;font-size:16px;"> 2.泵腔内无油，避免油蒸汽污染真空环境、�/span><br/> </td> </tr> <tr> <td style="text-align:left;"> <span style="line-height:2;font-size:16px;"> 3.节能，维护简单、�/span> </td> </tr> <tr> <td> <span style="line-height:2;font-size:16px;"> 4.不可单独使用，必须配备前级泵、�/span><br/> </td> </tr> <tr> <td style="background-color:#CCCCCC;"><br/></td></tr></tbody></table><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"}); 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