Liquid lithium hexafluorophosphate concentrating and rectifying device
The utility model relates to a liquid lithium hexafluorophosphate concentrating and rectifying device. According to the technical scheme, a side line of a concentration rectifying tower is connected to a temporary storage tank for products in a hexafluoro synthesis section through a pipeline, a towe...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The utility model relates to a liquid lithium hexafluorophosphate concentrating and rectifying device. According to the technical scheme, a side line of a concentration rectifying tower is connected to a temporary storage tank for products in a hexafluoro synthesis section through a pipeline, a tower kettle of the concentration rectifying tower is connected to a tube pass inlet of a LiPF6 solution cooler through a pipeline, and a tube pass outlet of the concentration rectifying tower is connected to a temporary storage tank for crude lithium hexafluorophosphate through a pipeline; the tower top of the concentration rectifying tower is connected to a shell pass inlet of a tail gas condenser through a pipeline, a shell pass outlet is connected to a reflux tank through a pipeline, and an outlet of the reflux tank is connected to a dimethyl carbonate recovery tank through a reflux pump and a pipeline; a tail gas outlet is formed in the upper side of the shell pass of the tail gas condenser and is connected to a h |
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