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秦皇島液氧的三個主要用途

2021-09-29

  當氧氣為液態時,秦皇島液氧(俗稱液氧或LO2)為液態。它在航空航天、潛艇和天然氣工業中有著重要的應用。液氧是一種具有較強磁性的淺藍色液體。


  其物理特性為:在一般標準壓力(101.325 kPa)下,相對密度為1.141噸/立方米(1141公斤/立方米),冰點為50.5K(-222.65℃),熔點為90.188K(-182.96℃)。液氧的總膨脹比高達860:1。由于這一優勢,現在被廣泛應用于工業生產和國防。液氧由于其超低溫,會使其接觸到的化學物質越來越脆。液氧也是一種強氧化劑。工業和國防。


  秦皇島液氧有三個主要用途:


  (1)在國防科技方面,秦皇島液氧是現代火箭良好的助燃材料,在超音速飛機上也必須使用液氧作為氧化劑??扇疾牧辖浹鯕忸A浸后具有明顯的可燃性,可制成液氧火藥。


  (2)鋼鐵工業中,煉鋼時吹入高純液氧,液氧與碳、磷、硫、硅發生反應。這不僅降低了鋼的碳含量,還有助于消除磷、硫、硅等殘留物。此外,空氣氧化全過程產生的熱值可以保持煉鋼過程所需的溫度。因此,吹氧不僅減少了冶煉時間,而且提高了鋼材質量。


  (3)秦皇島液氧用于合成氨化工生產時,氧氣的關鍵是原料氣的空氣氧化,如燃料油的熱解、煤粉的汽化等,以強化全流程加工工藝,增加有機肥產量。


  (4)秦皇島液氧廣泛應用于金屬材料的激光切割和電焊。液氧也可用于診斷和治療。例如,當人們患有一氧化碳中毒,急需大量氧氣時,就需要用幾缸液態氧給人們供氧。因為它們是液體,所以比同等質量的蒸汽氧占據更少的室內空間。



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