帶你了解低溫泵的特點(diǎn)及應(yīng)用場(chǎng)合！?。?/title>
<div align="center"><span style="font-size:14px">作者： 來(lái)源： 發(fā)布時(shí)間：2018-09-15</span></div>
<p><br/></p><p style="line-height: 2em;"><span style="font-size: 16px;">低溫泵的特點(diǎn)及注意事項(xiàng)</span></p><p style="line-height: 2em;"><span style="font-size: 16px;">1、選用材料時(shí)應(yīng)注意材料的低溫脆性。在結(jié)構(gòu)上對(duì)稱布置，使泵在低溫下均勻收縮。為了保持低溫和防止介質(zhì)泄漏，采用雙殼體的結(jié)構(gòu)。在使用時(shí)應(yīng)采取保冷、除濕、預(yù)冷、防凍等措施。 </span></p><p style="line-height: 2em;"><span style="font-size: 16px;">2、為了改善吸入條件、氣體分離、不受氣溫的影響和軸向伸縮，采用立式簡(jiǎn)袋泵結(jié)構(gòu)較為有利。為了防止摩擦發(fā)熱而導(dǎo)致液化氣汽化而燒壞摩擦面，多采用平衡孔、對(duì)稱布置和止推軸承，很少采用平衡盤來(lái)平衡軸向力（必要時(shí)采用平衡鼓）。</span></p><p style="line-height: 2em;"><span style="font-size: 16px;">3、在結(jié)構(gòu)上還應(yīng)避免低溫脆性的影響。軸承應(yīng)考慮干摩擦的可能并采取防止凍結(jié)的措施和啟動(dòng)的預(yù)冷的措施。軸承應(yīng)注意低溫的影響，如同間隙大小并適當(dāng)選取摩擦性能好的材料（如四氟乙烯、石墨等）。</span></p><p style="line-height: 2em;"><span style="font-size: 16px;">低溫泵的應(yīng)用場(chǎng)合</span></p><p style="line-height: 2em;"><span style="font-size: 16px;">1、用于油井激化的氮／二氧化碳加注設(shè)備；城市液化天然氣的應(yīng)急氣化站，ＬＮＧ接受門站。 </span></p><p style="line-height: 2em;"><span style="font-size: 16px;">2、在石油化工、生物工程、制藥、鋼鐵、化纖、能源、制冷等行業(yè)，－５０℃至－１５０℃間的低溫介質(zhì)，如：甲醇、乙醇、乙二醇、二氯甲烷、氟利昂等。</span></p><p style="line-height: 2em;"><span style="font-size: 16px;">3、高壓氮／氧機(jī)場(chǎng)地面保障系統(tǒng) 。 </span></p><p style="line-height: 2em;"><span style="font-size: 16px;">4、煤礦氮?dú)鉁缁鹌? ? 化工廠高壓氮?dú)庠囼?yàn)設(shè)備，高壓氮?dú)獗Ｗo(hù)系統(tǒng) ? 航天氮、氧、氫試驗(yàn)及加注設(shè)備 ? 高壓液化氣體裝瓶加注系統(tǒng)。 </span></p><p style="line-height: 2em;"><span style="font-size: 16px;">5、用于工業(yè)窯爐的燃燒供氧，尤其可為富氧燃燒提供供氧保障。氫、氧、氮的管線加壓輸送和氣化設(shè)備；低溫槽車、低溫儲(chǔ)槽的裝料、卸料泵、循環(huán)泵。 </span></p><p><br/></p><p> </p><p><br/></p> </div>
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