液氮真空管

摘要：<video controls="controls" autoplay="autoplay" src="https://yzvideo-c.yizimg.com/516486/2023830-85531979.mp4" type="" width="750" height="700" autostart="false" loop="true"></video> <p> <br /> </p> <p> <span style="font-size:14px;">我司专注从事液氢、液氧、液氮等低温液体输送管道、加注站、供气站的设计、制造与安装业务，在产品设计、研发、制造加工、安装、售后有一批经验丰富的工程技术人才和管理人员。</span> </p> <p> <br /> </p> <p> <table class="MsoNormalTable" border="1" cellspacing="0" cellpadding="0" style="border-collapse:collapse;width:100%;"> <tbody> <tr> <td width="103" colspan="2"> <p class="MsoNormal" align="left" style="text-align:left;"> <span style="font-size:12.0pt;font-family:宋体;">管路通径</span><span></span> </p> </td> <td width="57"> <p class="MsoNormal" align="left" style="text-align:left;"> <strong><span style="font-size:12.0pt;font-family:宋体;">DN10</span></strong><span></span> </p> </td> <td width="58"> <p class="MsoNormal" align="left" style="text-align:left;"> <strong><span style="font-size:12.0pt;font-family:宋体;">DN20</span></strong><span></span> </p> </td> <td width="57"> <p class="MsoNormal" align="left" style="text-align:left;"> <strong><span style="font-size:12.0pt;font-family:宋体;">DN25</span></strong><span></span> </p> </td> <td width="69"> <p class="MsoNormal" align="left" style="text-align:left;"> <strong><span style="font-size:12.0pt;font-family:宋体;">DN40</span></strong><span></span> </p> </td> <td width="57"> <p class="MsoNormal" align="left" style="text-align:left;"> <strong><span style="font-size:12.0pt;font-family:宋体;">DN50</span></strong><span></span> </p> </td> <td width="57"> <p class="MsoNormal" align="left" style="text-align:left;"> <strong><span style="font-size:12.0pt;font-family:宋体;">DN60</span></strong><span></span> </p> </td> <td width="57"> <p class="MsoNormal" align="left" style="text-align:left;"> <strong><span style="font-size:12.0pt;font-family:宋体;">DN80</span></strong><span></span> </p> </td> <td width="58"> <p class="MsoNormal" align="left" style="text-align:left;"> <strong><span style="font-size:12.0pt;font-family:宋体;">DN100</span></strong><span></span> </p> </td> </tr> <tr> <td width="103" colspan="2"> <p class="MsoNormal" align="left" style="text-align:left;"> <span style="font-size:12.0pt;font-family:宋体;">主要材质</span><span></span> </p> </td> <td width="471" colspan="8"> <p class="MsoNormal" align="left" style="text-align:left;"> <span style="font-size:12.0pt;font-family:宋体;">0Cr18Ni9</span><span></span> </p> </td> </tr> <tr> <td width="103" colspan="2"> <p class="MsoNormal" align="left" style="text-align:left;"> <span style="font-size:12.0pt;font-family:宋体;">压力等级</span><span></span> </p> </td> <td width="172" colspan="3"> <p class="MsoNormal" align="left" style="text-align:left;"> <span style="font-size:12.0pt;font-family:宋体;">≯35MPa</span><span></span> </p> </td> <td width="298" colspan="5"> <p class="MsoNormal" align="left" style="text-align:left;"> <span style="font-size:12.0pt;font-family:宋体;">≯23MPa</span><span></span> </p> </td> </tr> <tr> <td width="103" colspan="2"> <p class="MsoNormal" align="left" style="text-align:left;"> <span style="font-size:12.0pt;font-family:宋体;">内管补偿方式</span><span></span> </p> </td> <td width="172" colspan="3"> <p class="MsoNormal" align="left" style="text-align:left;"> <span style="font-size:12.0pt;font-family:宋体;">自然补偿器</span><span></span> </p> </td> <td width="298" colspan="5"> <p class="MsoNormal" align="left" style="text-align:left;"> <span style="font-size:12.0pt;font-family:宋体;">波纹补偿器</span><span></span> </p> </td> </tr> <tr> <td width="103" colspan="2"> <p class="MsoNormal" align="left" style="text-align:left;"> <span style="font-size:12.0pt;font-family:宋体;">低介质温度</span><span></span> </p> </td> <td width="471" colspan="8"> <p class="MsoNormal" align="left" style="text-align:left;"> <span style="font-size:12.0pt;font-family:宋体;">-253°C</span><span></span> </p> </td> </tr> <tr> <td width="103" colspan="2"> <p class="MsoNormal" align="left" style="text-align:left;"> <span style="font-size:12.0pt;font-family:宋体;">焊缝漏率</span><span></span> </p> </td> <td width="471" colspan="8"> <p class="MsoNormal" align="left" style="text-align:left;"> <span style="font-size:12.0pt;font-family:宋体;">≯1×10^-9Pa·m³/s</span><span></span> </p> </td> </tr> <tr> <td width="103" colspan="2"> <p class="MsoNormal" align="left" style="text-align:left;"> <span style="font-size:12.0pt;font-family:宋体;">总体漏放气速率</span><span></span> </p> </td> <td width="471" colspan="8"> <p class="MsoNormal" align="left" style="text-align:left;"> <span style="font-size:12.0pt;font-family:宋体;">≯1×10^-8Pa·m³/s</span><span></span> </p> </td> </tr> <tr> <td width="103" colspan="2"> <p class="MsoNormal" align="left" style="text-align:left;"> <span style="font-size:12.0pt;font-family:宋体;">封口真空度</span><span></span> </p> </td> <td width="471" colspan="8"> <p class="MsoNormal" align="left" style="text-align:left;"> <span style="font-size:12.0pt;font-family:宋体;">≯1.33×10^-3Pa</span><span></span> </p> </td> </tr> <tr> <td width="103" colspan="2"> <p class="MsoNormal" align="left" style="text-align:left;"> <span style="font-size:12.0pt;font-family:宋体;">真空寿命</span><span></span> </p> </td> <td width="471" colspan="8"> <p class="MsoNormal" align="left" style="text-align:left;"> <span style="font-size:12.0pt;font-family:宋体;">大于<span>4</span>年</span><span></span> </p> </td> </tr> <tr> <td width="103" colspan="2"> <p class="MsoNormal" align="left" style="text-align:left;"> <span style="font-size:12.0pt;font-family:宋体;">机械寿命</span><span></span> </p> </td> <td width="471" colspan="8"> <p class="MsoNormal" align="left" style="text-align:left;"> <span style="font-size:12.0pt;font-family:宋体;">30</span><span style="font-size:12.0pt;font-family:宋体;">年</span><span></span> </p> </td> </tr> <tr> <td width="103" colspan="2"> <p class="MsoNormal" align="left" style="text-align:left;"> <span style="font-size:12.0pt;font-family:宋体;">连接方式</span><span></span> </p> </td> <td width="115" colspan="2"> <p class="MsoNormal" align="left" style="text-align:left;"> <span style="font-size:12.0pt;font-family:宋体;">螺纹连接<span>/</span>小真空连接</span><span></span> </p> </td> <td width="356" colspan="6"> <p class="MsoNormal" align="left" style="text-align:left;"> <span style="font-size:12.0pt;font-family:宋体;">法兰连接<span>/</span>小真空连接</span><span></span> </p> </td> </tr> <tr> <td width="41" rowspan="3"> <p class="MsoNormal" align="left" style="text-align:left;"> <span style="font-size:12.0pt;font-family:宋体;">传热值</span><span></span> </p> </td> <td width="62"> <p class="MsoNormal" align="left" style="text-align:left;"> <span style="font-size:12.0pt;font-family:宋体;">直管段</span><span></span> </p> </td> <td width="172" colspan="3"> <p class="MsoNormal" align="left" style="text-align:left;"> <span style="font-size:12.0pt;font-family:宋体;">≯0.45W/m</span><span></span> </p> </td> <td width="126" colspan="2"> <p class="MsoNormal" align="left" style="text-align:left;"> <span style="font-size:12.0pt;font-family:宋体;">≯0.8W/m</span><span></span> </p> </td> <td width="173" colspan="3"> <p class="MsoNormal" align="left" style="text-align:left;"> <span style="font-size:12.0pt;font-family:宋体;">≯1.0W/m<br /> ≯1.0W/m</span><span></span> </p> </td> </tr> <tr> <td width="62"> <p class="MsoNormal" align="left" style="text-align:left;"> <span style="font-size:12.0pt;font-family:宋体;">焊接接头</span><span></span> </p> </td> <td width="172" colspan="3"> <p class="MsoNormal" align="left" style="text-align:left;"> <span style="font-size:12.0pt;font-family:宋体;">≯8W/m</span><span></span> </p> </td> <td width="126" colspan="2"> <p class="MsoNormal" align="left" style="text-align:left;"> <span style="font-size:12.0pt;font-family:宋体;">≯11W/m</span><span></span> </p> </td> <td width="173" colspan="3"> <p class="MsoNormal" align="left" style="text-align:left;"> <span style="font-size:12.0pt;font-family:宋体;">≯14W/m</span><span></span> </p> </td> </tr> <tr> <td width="62"> <p class="MsoNormal" align="left" style="text-align:left;"> <span style="font-size:12.0pt;font-family:宋体;">法兰连接</span><span></span> </p> </td> <td width="172" colspan="3"> <p class="MsoNormal" align="left" style="text-align:left;"> <span style="font-size:12.0pt;font-family:宋体;">≯28W/m</span><span></span> </p> </td> <td width="126" colspan="2"> <p class="MsoNormal" align="left" style="text-align:left;"> <span style="font-size:12.0pt;font-family:宋体;">≯40W/m</span><span></span> </p> </td> <td width="173" colspan="3"> <p class="MsoNormal" align="left" style="text-align:left;"> <span style="font-size:12.0pt;font-family:宋体;">≯40W/m</span><span></span> </p> </td> </tr> </tbody> </table> </p>