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循环冷却水罐上设置有氯化氫入口

返回打印发布时间：2016/5/19 点击：10630

新型氯化氫吸收裝置，包括鹽水循環罐，所述的鹽酸循環罐的一端設置吸收液入口，另一端設置鹽酸出口；所述鹽酸循環罐頂端還連接鹽酸管道，鹽酸管道上設置一只用于觀察鹽酸流動性的視鏡。

利用四氟乙烯副产的氯化氫气体還可以制備濃鹽酸，其中包括以下步驟：

(1)将四氟乙烯生产中的裂解气经急冷器进行降温至160-190℃，降温后的裂解气进入冷凝器，冷却至60-90℃，60％-80％的水蒸气冷凝成水，冷凝的水进入气水分离器，将水和气体分离；

(2)冷凝器中未被冷凝的裂解气，以及气水分离器中分离出的气体进入到质量浓度为0.5-3％稀盐酸的氯化氫气体吸收器中，氯化氫气体被稀盐酸吸收，生成浓度不低于31wt％的浓盐酸，浓盐酸经分离器进行分离后送出系统；氯化氫气体吸收器分別與在線鹽酸分析儀和鹽酸自動調節裝置連接。

所述的氯化氫吸收装置还包括一个二级吸收装置，该二级吸收装置为循环冷却水罐，循环冷却水罐上设置有氯化氫入口、冷却水入口和稀盐酸出口。

总体来讲，利用这种工艺来进行生产，其方法简易、运行稳定、对氯化氫气体吸收效果好，制得盐酸产品浓度高、质量好，避免了氯化氫气体排放造成環境汙染。因而可行性非常大，值得加以推廣。

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