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xypg-left-contact"> <div class="xypg-left-title"> <h3>聯系我們<span>Contact Us</span></h3> </div> <div class="xypg-left-con"> <div class="page-wrap-contact"> <h4>杭州中聚環?？萍加邢薰?/h4> <p style="white-space: normal;"><span style="font-family: 微軟雅黑; font-size: 16px;">公司電話：0571-63430098</span></p><p style="white-space: normal;"><span style="font-family: 微軟雅黑; font-size: 16px;">公司傳真：0571-63430098</span></p><p style="white-space: normal;"><span style="font-family: 微軟雅黑; font-size: 16px;">聯系號碼：18055990835（周先生）</span></p><p style="white-space: normal;"><span style="font-family: 微軟雅黑; font-size: 16px;">網址：www.racross.com</span></p><p style="white-space: normal;"><span style="font-family: 微軟雅黑; font-size: 16px;">郵箱：</span><a href="mailto:hzzjkf@hzzjkf.com" style="text-decoration: underline; font-family: 微軟雅黑; color: rgb(0, 0, 255); font-size: 16px;"><span style="font-family: 微軟雅黑; color: rgb(0, 0, 255); font-size: 16px;">hzzjkf@hzzjkf.com</span></a></p><p style="white-space: normal;"><span style="font-family: 微軟雅黑; font-size: 16px;">地址：浙江省杭州市富陽區新登鎮元村工業區28號</span></p><p><br/></p> </div> </div> </div> <div class="page-message-img"> <a href="http://www.racross.com/inquiry/"><img src="http://www.racross.com/data/upload/202007/20200725085610_927.png" alt=""></a> </div> </div> </div> <div class="page-wrap-right"> <div class="xypg-right-content">  <div class="xypg-news-detail"> <h1 class="xypg-detail-title">石油化工行業中制氮機設備用于純度的選取</h1> <div class="xypg-detail-info-bar"> <div class="detail-info-time"><i class="icon-font icon-shijian"></i>2021-02-20 13:43:15</div> <div class="detail-info-numbers"><i class="icon-font icon-chakan"></i><script src="http://www.racross.com/source/include/browse.php?model=news&id=480"></script>次</div> </div> <div class="xypg-detail-con"><p style=";text-indent: 28px;padding: 0;line-height: 32px;background: rgb(255, 255, 255)"><span style="font-family: Calibri;font-size: 16px"><span style="font-family:宋體">化學工業是氮氣設備應用最多的行業，目前使用較多的是：</span> PVC (PVC)<span style="font-family:宋體">，純度為</span><span style="font-family:Calibri">99.5%</span><span style="font-family:宋體">，流量較大。</span><span style="font-family:Calibri">PP (PE)</span><span style="font-family:宋體">，純度為</span><span style="font-family:Calibri">99.9%</span><span style="font-family:宋體">，流量較大，在生產過程中均采用氮氣制氮機設備。利用<a href='http://www.racross.com/news/458.html' target='_blank' class='key_tag'><font><strong>制氮機生產</strong></font></a>的氮氣，分為兩部分，一是活化劑、催化劑等對氮氣的需求為</span><span style="font-family:Calibri">99.9%(</span><span style="font-family:宋體">少量</span><span style="font-family:Calibri">)</span><span style="font-family:宋體">，反應釜的氮氣需求為</span><span style="font-family:Calibri">99.5%(</span><span style="font-family:宋體">少量</span><span style="font-family:Calibri">)</span><span style="font-family:宋體">，習慣性地提取純度為</span><span style="font-family:Calibri">99.9%</span><span style="font-family:宋體">。</span></span></p><p style=";text-indent: 28px;padding: 0;line-height: 32px;background: rgb(255, 255, 255)"><span style="font-family: Calibri;font-size: 16px"><span style="font-family:宋體">聚乙烯苯胺，純度為</span>99.95%<span style="font-family:宋體">，石化產品苯胺在催化劑再生時氮氣用量約為普通催化劑的</span><span style="font-family:Calibri">4</span><span style="font-family:宋體">倍，但使用周期短。聚甲醛和乙醇，一般純度為</span><span style="font-family:Calibri">99.9%</span><span style="font-family:宋體">，石油化工產品</span><span style="font-family:Calibri">(</span><span style="font-family:宋體">目前國內廠家少，需求量大</span><span style="font-family:Calibri">)</span><span style="font-family:宋體">，純度為</span><span style="font-family:Calibri">99.9%</span><span style="font-family:宋體">。油品：可用于系統內管道容器等的氮氣凈化，儲罐充氮，置換，檢漏，可燃性氣體保護，還可用于柴油加氫和催化重整，其純度一般為</span><span style="font-family:Calibri">99.9%</span><span style="font-family:宋體">。酸酐：純度</span><span style="font-family:Calibri">99%</span><span style="font-family:宋體">。滌綸：上游原料 </span><span style="font-family:Calibri">PTA (</span><span style="font-family:宋體">精對苯二甲醇</span><span style="font-family:Calibri">)</span><span style="font-family:宋體">，實際使用純度</span><span style="font-family:Calibri">95%</span><span style="font-family:宋體">，一般是</span><span style="font-family:Calibri">99%</span><span style="font-family:宋體">。</span></span></p><p style=";text-indent: 28px;padding: 0;line-height: 32px;background: rgb(255, 255, 255)"><span style="font-family: Calibri;font-size: 16px"><span style="font-family:宋體">精對苯二甲酸生產過程中，用高純氮氣吹氣泡，測量乙二醇原料在高溫和低溫反應容器中的液位。測量高壓端和低壓端的壓差后，傳輸</span>4 ~ 20mA<span style="font-family:宋體">的標準信號，然后轉換成液位高度。精對苯二甲酸生產過程中，用高純氮氣測量真空系統的壓力，用高純氮氣反沖洗過濾器。聚酯切片按實際工藝一般為</span><span style="font-family:Calibri">99%~99.999%</span><span style="font-family:宋體">，切片下游產品長絲和短絲為</span><span style="font-family:Calibri">99.9% ~ 99.999%</span><span style="font-family:宋體">。</span></span></p><p style=";text-indent: 28px;padding: 0;line-height: 32px;background: rgb(255, 255, 255)"><span style="font-family: Calibri;font-size: 16px"><span style="font-family:宋體">其他典型用途：儲藏液體上方氣層的惰性；吹洗容器、管道、反應器和隔離室；合成纖維紡絲、拉絲、氯化、設備防腐；在涂料涂料生產中充氮，以防止油干燥時的聚合作用；為油船提供保護氣體</span>(<span style="font-family:宋體">用氮氣密封并在油面上清洗氣</span><span style="font-family:Calibri">)</span><span style="font-family:宋體">；為海洋工程提供惰性氣體；干法熄焦、催化劑再生、石油分餾、氮肥原料、觸媒保護、洗滌氣、橡膠包裝和貯藏、輪胎生產等；氮氣壓注開采石油等。</span></span></p><p style="text-align: center;"><img src="/data/upload/202102/1613799757775244.jpg" title="空分設備廠家" alt="空分設備廠家" width="246" height="100" border="0" vspace="0" style="width: 246px; height: 100px;"/></p></div> <div class="xypg-detail-tags"> <div class="tags-title"> <h3>標簽</h3> <div class="baidu-share">  <div class="bshare-custom"> <a title="分享到QQ空間" class="bshare-qzone"></a> <a title="分享到新浪微博" class="bshare-sinaminiblog"></a> <a title="分享到人人網" class="bshare-renren"></a> <a title="分享到騰訊微博" class="bshare-qqmb"></a> <a title="分享到網易微博" class="bshare-neteasemb"></a> <a title="更多平臺" class="bshare-more bshare-more-icon more-style-addthis"></a> <span class="BSHARE_COUNT 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