<p class="MsoNormal" quot;margin: 0cm 0cm 0pt; text-indent: 7.05pt; text-align: center; mso-char-indent-count: .5;" align="center"><strong quot;mso-bidi-font-weight: normal;"><span quot;font-size: 14pt; font-family: 楷体_GB2312; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: ">瑞德</span></strong><strong quot;mso-bidi-font-weight: normal;"><span quot;font-size: 14pt; mso-bidi-font-size: 12.0pt; mso-font-kerning: 0pt; mso-fareast-font-family: 楷体_GB2312;" lang="EN-US">RDN</span></strong><strong quot;mso-bidi-font-weight: normal;"><span quot;font-size: 14pt; font-family: 楷体_GB2312; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: ">制氮系统说明</span></strong><strong quot;mso-bidi-font-weight: normal;"></strong></p> <p class="MsoNormal" quot;margin: 0cm 0cm 0pt; text-indent: 18pt; text-align: left; mso-char-indent-count: 2.0;" align="left"><span quot;font-size: 9pt; color: #333333; font-family: Verdana;" lang="EN-US">RD</span><span quot;font-size: 9pt; color: #333333; font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana;">系列</span><strong quot;mso-bidi-font-weight: normal;"><span quot;font-size: 9pt; color: #ff6600; font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana;">制氮机</span></strong><span quot;font-size: 9pt; color: #333333; font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana;">是根据</span><strong quot;mso-bidi-font-weight: normal;"><span quot;font-size: 9pt; color: #ff6600; font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana;">变压吸附</span></strong><span quot;font-size: 9pt; color: #333333; font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana;">原理，采用高品质的</span><strong quot;mso-bidi-font-weight: normal;"><span quot;font-size: 9pt; color: #ff6600; font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana;">碳分子筛</span></strong><span quot;font-size: 9pt; color: #333333; font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana;">作为吸附剂，在一定的压力下，从空气中制取</span><strong quot;mso-bidi-font-weight: normal;"><span quot;font-size: 9pt; color: #ff6600; font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana;">氮气</span></strong><span quot;font-size: 9pt; color: #333333; font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana;">。</span><span quot;font-size: 9pt; color: #333333; font-family: Verdana;"> </span><span quot;font-size: 9pt; color: #333333; font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana;">经过纯化干燥的压缩空气，在吸附器中进行加压吸附、减压脱附。由于空气动力学效应，氧在碳分子筛微孔中扩散速率远大于氮，氧被碳分子筛优先吸附，氮在气相中被富集起来，形成成品氮气。然后经减压至常压，吸附剂脱附所吸附的氧气等杂质，实现更新。一般在系统中设置两个吸附塔，一塔吸附产氮，另一塔脱附更新，通过</span><span quot;font-size: 9pt; color: #333333; font-family: Verdana;" lang="EN-US">PLC</span><span quot;font-size: 9pt; color: #333333; font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana;">程序控制器控制气动阀的启闭，使两塔交替循环，以实现连续生产高品质氮气之目的。整套系统由以下部件组成：压缩空气净化组件、空气储罐、氧氮分离装置、氮气缓冲罐。</span></p> <p class="MsoNormal" quot;margin: 0cm 0cm 0pt; text-align: left;" align="left"><span quot;font-size: 9pt; color: #333333; font-family: Verdana;" lang="EN-US"> </span></p> <p class="MsoNormal" quot;margin: 0cm 0cm 0pt;"><strong quot;mso-bidi-font-weight: normal;"><span quot;font-size: 9pt; color: #333333; font-family: Verdana;" lang="EN-US">1</span></strong><strong quot;mso-bidi-font-weight: normal;"><span quot;font-size: 9pt; color: #333333; font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana;">、压缩空气净化组件</span></strong><strong quot;mso-bidi-font-weight: normal;"></strong></p> <p class="MsoNormal" quot;margin: 0cm 0cm 0pt; text-indent: 18pt; mso-char-indent-count: 2.0;"><span quot;font-size: 9pt; color: #333333; font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana;">空气压缩机提供的压缩空气首先通入压缩空气净化组件中，压缩空气先由管道过滤器除去大部分的油、水、尘，再经冷冻干燥机进一步除水、精过滤器除油、除尘，并由在紧随其后的超精过滤器进行高层度净化。根据系统工况，瑞德公司特别设计了一套压缩空气除油器，用来防止可能出现的微量油渗透，为碳分子筛提供充分保护。设计严谨的空气净化组件确保了碳分子筛的使用寿命。经本组件处理后的洁净空气可用于仪表空气。</span><span quot;font-size: 9pt; color: #333333; font-family: Verdana;" lang="EN-US"> </span></p> <p class="MsoNormal" quot;margin: 0cm 0cm 0pt; text-align: left;" align="left"><strong quot;mso-bidi-font-weight: normal;"><span quot;font-size: 9pt; color: #333333; font-family: Verdana;" lang="EN-US">2</span></strong><strong quot;mso-bidi-font-weight: normal;"><span quot;font-size: 9pt; color: #333333; font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana;">、空气储罐</span></strong><strong quot;mso-bidi-font-weight: normal;"></strong></p> <p class="MsoNormal" quot;margin: 0cm 0cm 0pt; text-indent: 18pt; text-align: left; mso-char-indent-count: 2.0;" align="left"><span quot;font-size: 9pt; color: #333333; font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana;">空气储罐的作用是：降低气流脉动，起缓冲作用；从而减小系统压力波动，使压缩空气平稳地通过压缩空气净化组件，以便充分除去油水杂质，减轻后续</span><strong quot;mso-bidi-font-weight: normal;"><span quot;font-size: 9pt; color: #333333; font-family: Verdana;" lang="EN-US">PSA</span></strong><span quot;font-size: 9pt; color: #333333; font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana;">氧氮分离装置的负荷。同时，在吸附塔进行工作切换时，它也为</span><strong quot;mso-bidi-font-weight: normal;"><span quot;font-size: 9pt; color: #333333; font-family: Verdana;" lang="EN-US">PSA</span></strong><span quot;font-size: 9pt; color: #333333; font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana;">氧氮分离装置提供短时间内迅速升压所需的大量压缩空气，使吸附塔内压力很快上升到工作压力，保证了设备可靠稳定的运行。</span><span quot;font-size: 9pt; color: #333333; font-family: Verdana;" lang="EN-US"> </span></p> <p class="MsoNormal" quot;margin: 0cm 0cm 0pt; text-align: left;" align="left"><strong quot;mso-bidi-font-weight: normal;"><span quot;font-size: 9pt; color: #333333; font-family: Verdana;" lang="EN-US">3</span></strong><strong quot;mso-bidi-font-weight: normal;"><span quot;font-size: 9pt; color: #333333; font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana;">、氧氮分离装置</span></strong><strong quot;mso-bidi-font-weight: normal;"></strong></p> <p class="MsoNormal" quot;margin: 0cm 0cm 0pt; text-indent: 18pt; text-align: left; mso-char-indent-count: 2.0;" align="left"><span quot;font-size: 9pt; color: #333333; font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana;">装有专项使用<strong quot;mso-bidi-font-weight: normal;">碳分子筛</strong>的吸附塔共有</span><span quot;font-size: 9pt; color: #333333; font-family: Verdana;" lang="EN-US">A</span><span quot;font-size: 9pt; color: #333333; font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana;">、</span><span quot;font-size: 9pt; color: #333333; font-family: Verdana;" lang="EN-US">B</span><span quot;font-size: 9pt; color: #333333; font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana;">两只。当洁净的压缩空气进入</span><span quot;font-size: 9pt; color: #333333; font-family: Verdana;" lang="EN-US">A</span><span quot;font-size: 9pt; color: #333333; font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana;">塔入口端经碳分子筛向出口端流动时，</span><strong quot;mso-bidi-font-weight: normal;"><span quot;font-size: 9pt; color: #333333; font-family: Verdana;" lang="EN-US">O2</span></strong><span quot;font-size: 9pt; color: #333333; font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana;">、</span><strong quot;mso-bidi-font-weight: normal;"><span quot;font-size: 9pt; color: #333333; font-family: Verdana;" lang="EN-US">CO2</span></strong><span quot;font-size: 9pt; color: #333333; font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana;">和</span><span quot;font-size: 9pt; color: #333333; font-family: Verdana;" lang="EN-US">H2O</span><span quot;font-size: 9pt; color: #333333; font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana;">被其吸附，产品氮气由吸附塔出口端流出。经一段时间后，</span><span quot;font-size: 9pt; color: #333333; font-family: Verdana;" lang="EN-US">A</span><span quot;font-size: 9pt; color: #333333; font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana;">塔内的碳分子筛吸附饱和。这时，</span><span quot;font-size: 9pt; color: #333333; font-family: Verdana;" lang="EN-US">A</span><span quot;font-size: 9pt; color: #333333; font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana;">塔自动停止吸附，压缩空气流入</span><span quot;font-size: 9pt; color: #333333; font-family: Verdana;" lang="EN-US">B</span><span quot;font-size: 9pt; color: #333333; font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana;">塔进行吸氧产氮，对并</span><span quot;font-size: 9pt; color: #333333; font-family: Verdana;" lang="EN-US">A</span><span quot;font-size: 9pt; color: #333333; font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana;">塔分子筛进行更新。分子筛的更新是通过将吸附塔迅速下降至常压脱除已吸附的</span><strong quot;mso-bidi-font-weight: normal;"><span quot;font-size: 9pt; color: #333333; font-family: Verdana;" lang="EN-US">O2</span></strong><span quot;font-size: 9pt; color: #333333; font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana;">、</span><strong quot;mso-bidi-font-weight: normal;"><span quot;font-size: 9pt; color: #333333; font-family: Verdana;" lang="EN-US">CO2</span></strong><span quot;font-size: 9pt; color: #333333; font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana;">和</span><span quot;font-size: 9pt; color: #333333; font-family: Verdana;" lang="EN-US">H2O</span><span quot;font-size: 9pt; color: #333333; font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana;">来实现的。两塔交替进行吸附和更新，完成氧氮分离，连续输出氮气。上述过程均由可编程序控制器（</span><span quot;font-size: 9pt; color: #333333; font-family: Verdana;" lang="EN-US">PLC</span><span quot;font-size: 9pt; color: #333333; font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana;">）来控制。当出气端氮气纯度大小设定值时，</span><span quot;font-size: 9pt; color: #333333; font-family: Verdana;" lang="EN-US">PLC</span><span quot;font-size: 9pt; color: #333333; font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana;">程序作用，自动放空阀门打开，将不合格氮气自动放空，确保不合格氮气不流向用气点。气体放空时利用消音器消声使噪声小于</span><span quot;font-size: 9pt; color: #333333; font-family: Verdana;" lang="EN-US">75dBA</span><span quot;font-size: 9pt; color: #333333; font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana;">。</span><span quot;font-size: 9pt; color: #333333; font-family: Verdana;" lang="EN-US"> </span></p> <p class="MsoNormal" quot;margin: 0cm 0cm 0pt; text-align: left;" align="left"><strong quot;mso-bidi-font-weight: normal;"><span quot;font-size: 9pt; color: #333333; font-family: Verdana;" lang="EN-US">4</span></strong><strong quot;mso-bidi-font-weight: normal;"><span quot;font-size: 9pt; color: #333333; font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana;">、氮气缓冲罐</span></strong><strong quot;mso-bidi-font-weight: normal;"></strong></p> <p class="MsoNormal" quot;margin: 0cm 0cm 0pt; text-indent: 18pt; text-align: left; mso-char-indent-count: 2.0;" align="left"><span quot;font-size: 9pt; color: #333333; font-family: 宋体; mso-ascii-font-family: Verdana; mso-hansi-font-family: Verdana;">氮气缓冲罐用于均衡从氮氧分离系统<strong quot;mso-bidi-font-weight: normal;">分离</strong>出来的氮气的压力和纯度，保证连续供给<strong quot;mso-bidi-font-weight: normal;">氮气</strong>稳定。同时，在吸附塔进行工作切换后，它将本身的部分气体回充吸附塔，一方面帮助吸附塔升压，另外也起到保护床层的作用，在设备工作过程中起到较重要的工艺辅助作用</span></p>