AY型单、两级离心油泵

<p class=\"p0\" style=\"text-align: center; margin-top: 0pt; margin-bottom: 0pt\"><span style=\"font-family: \'宋体\'; font-size: 12pt; mso-spacerun: \'yes\'\">Y<font face=\"宋体\">、</font><font face=\"Times New Roman\">AY</font><font face=\"宋体\">型单、两级离心油泵</font></span><span style=\"font-family: \'宋体\'; font-size: 12pt; mso-spacerun: \'yes\'\"><o:p></o:p></span></p> <p class=\"p18\" style=\"margin-top: 0pt; margin-bottom: 0pt\"><span style=\"font-family: \'宋体\'; font-size: 10.5pt; mso-spacerun: \'yes\'\">结构特征：</span><span style=\"font-family: \'宋体\'; font-size: 10.5pt; mso-spacerun: \'yes\'\"><o:p></o:p></span></p> <p class=\"p18\" style=\"margin-top: 0pt; margin-bottom: 0pt\"><span style=\"font-family: \'宋体\'; font-size: 10.5pt; mso-spacerun: \'yes\'\">AY<font face=\"宋体\">型油泵系列是在老</font><font face=\"Times New Roman\">Y</font><font face=\"宋体\">型油泵系列的基础上进行改造并重新设计的，</font></span><span style=\"font-family: \'宋体\'; font-size: 10.5pt; mso-spacerun: \'yes\'\">Y<font face=\"宋体\">、</font><font face=\"Times New Roman\">AY</font><font face=\"宋体\">型油泵分为单级单吸和两级单吸悬臂式、单级双吸悬臂式、单级双吸和两级双吸两支撑式、两级单吸两支撑式等六种。</font><font face=\"Times New Roman\">Y</font><font face=\"宋体\">、</font><font face=\"Times New Roman\">AY</font><font face=\"宋体\">型油泵用于电站汽轮机润滑循环，可在标准性能内选择流量及压力。</font></span><span style=\"font-family: \'宋体\'; font-size: 10.5pt; mso-spacerun: \'yes\'\"> </span><span style=\"font-family: \'宋体\'; font-size: 10.5pt; mso-spacerun: \'yes\'\"><o:p></o:p></span></p> <p class=\"p18\" style=\"margin-top: 0pt; margin-bottom: 0pt\"><span style=\"font-family: \'宋体\'; font-size: 10.5pt; mso-spacerun: \'yes\'\">其安装方式为水平中心线支撑。泵的吸入口法兰和排出口法兰均铸在泵体上，且均垂直朝上。轴封腔（填料函）和泵盖是铸成一体的，它可以装填料密封及平衡型、波纹管型、串联型机械密封。轴封腔外铸有可供选择的水冷腔夹套，在输送<font face=\"Times New Roman\">150-350</font><font face=\"宋体\">℃高温油时使用。常温时循环水系统可以不用。</font></span><span style=\"font-family: \'宋体\'; font-size: 10.5pt; mso-spacerun: \'yes\'\"><o:p></o:p></span></p> <p class=\"p18\" style=\"margin-top: 0pt; margin-bottom: 0pt\"><span style=\"font-family: \'宋体\'; font-size: 10.5pt; mso-spacerun: \'yes\'\">叶轮为整体铸造，且经静平衡，泵的轴向力主要靠叶轮平衡孔来平衡。</span><span style=\"font-family: \'宋体\'; font-size: 10.5pt; mso-spacerun: \'yes\'\"><o:p></o:p></span></p> <p class=\"p18\" style=\"margin-top: 0pt; margin-bottom: 0pt\"><span style=\"font-family: \'宋体\'; font-size: 10.5pt; mso-spacerun: \'yes\'\">轴承体装有一套径向球轴承和一组背对背安装的推力球轴承，其轴承采用甩油环稀油润滑。</span><span style=\"font-family: \'宋体\'; font-size: 10.5pt; mso-spacerun: \'yes\'\"><o:p></o:p></span></p> <p class=\"p18\" style=\"margin-top: 0pt; margin-bottom: 0pt\"><span style=\"font-family: \'宋体\'; font-size: 10.5pt; mso-spacerun: \'yes\'\">为了泵检修时不必拆卸吸入或排出管路就很容易地拆除叶轮、轴、轴承、轴封等零部件，<font face=\"Times New Roman\">Y</font><font face=\"宋体\">、</font><font face=\"Times New Roman\">AY</font><font face=\"宋体\">型油泵采用柔性膜片式联轴器。</font></span><span style=\"font-family: \'宋体\'; font-size: 10.5pt; mso-spacerun: \'yes\'\"> </span><span style=\"font-family: \'宋体\'; font-size: 10.5pt; mso-spacerun: \'yes\'\"><o:p></o:p></span></p> <p class=\"p15\" style=\"margin-top: 0pt; margin-bottom: 0pt\"><span style=\"font-family: \'宋体\'; font-size: 10.5pt; mso-spacerun: \'yes\'\">泵的管路系统：</span><span style=\"font-family: \'宋体\'; font-size: 10.5pt; mso-spacerun: \'yes\'\"><o:p></o:p></span></p> <p class=\"p16\" style=\"margin-top: 0pt; text-indent: -18pt; margin-bottom: 0pt; margin-left: 18pt\"><span style=\"font-family: \'Times New Roman\'; font-size: 10.5pt; mso-spacerun: \'yes\'\">1.&nbsp;</span><span style=\"font-family: \'宋体\'; font-size: 10.5pt; mso-spacerun: \'yes\'\">冷却水是根据和使用要求，对轴封腔、轴承或泵支架进行冷却，水量每一支管路建议为<font face=\"Times New Roman\">0.3-0.7m</font><font face=\"宋体\">&sup3;</font><font face=\"Times New Roman\">/h</font><font face=\"宋体\">，其压力为</font><font face=\"Times New Roman\">0.2-0.3Mpa</font><font face=\"宋体\">。常温时循环水系统可以不用。</font></span><span style=\"font-family: \'宋体\'; font-size: 10.5pt; mso-spacerun: \'yes\'\"><o:p></o:p></span></p> <p class=\"p16\" style=\"margin-top: 0pt; text-indent: -18pt; margin-bottom: 0pt; margin-left: 18pt\"><span style=\"font-family: \'Times New Roman\'; font-size: 10.5pt; mso-spacerun: \'yes\'\">2.&nbsp;</span><span style=\"font-family: \'宋体\'; font-size: 10.5pt; mso-spacerun: \'yes\'\">密封冲洗是根据泵输送介质及其温度、压力等工作条件而设置的，内供或外供均可。一般采用泵本身出口连接到密封腔，自动回流到进口。密封液的压力要高于密封腔的压力<font face=\"Times New Roman\">0.07-0.1Mpa,</font><font face=\"宋体\">如果输送介质属于易气化的，则应高于气压为</font><font face=\"Times New Roman\">0.175-0.2Mpa</font><font face=\"宋体\">。</font></span><span style=\"font-family: \'宋体\'; font-size: 10.5pt; mso-spacerun: \'yes\'\"><o:p></o:p></span></p> <p class=\"p16\" style=\"margin-top: 0pt; margin-bottom: 0pt\"><span style=\"font-family: \'宋体\'; font-size: 10.5pt; mso-spacerun: \'yes\'\"><o:p></o:p></span></p> <p class=\"p0\" style=\"margin-top: 0pt; margin-bottom: 0pt\"><span style=\"font-family: \'宋体\'; font-size: 10.5pt; mso-spacerun: \'yes\'\">用途：<font face=\"Times New Roman\">AY</font><font face=\"宋体\">型油泵可用在石油精制、石油化工和化学工业及其他地方输送不含固体颗粒的石油、液化石油气和其它介质。</font></span><span style=\"font-family: \'宋体\'; font-size: 10.5pt; mso-spacerun: \'yes\'\"><o:p></o:p></span></p> <p class=\"p0\" style=\"margin-top: 0pt; margin-bottom: 0pt\"><span style=\"font-family: \'宋体\'; font-size: 10.5pt; mso-spacerun: \'yes\'\">&nbsp;</span><span style=\"font-family: \'宋体\'; font-size: 12pt; mso-spacerun: \'yes\'\"><o:p></o:p></span></p> <!--EndFragment-->