Recovery unit of hydrogen chloride in subphosphoric acid diacetate production tail gas
The utility model discloses a recovery unit of hydrogen chloride in subphosphoric acid diacetate production tail gas, it includes condenser, first absorption tower, second absorption tower, third absorption tower, alkali groove and hydrochloric acid storage tank, the condenser is tubular heat exchan...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The utility model discloses a recovery unit of hydrogen chloride in subphosphoric acid diacetate production tail gas, it includes condenser, first absorption tower, second absorption tower, third absorption tower, alkali groove and hydrochloric acid storage tank, the condenser is tubular heat exchanger, the first feed inlet on first absorption tower is connected to the gas outlet of condenser, the first discharge gate intercommunication hydrochloric acid storage tank on first absorption tower, the second feed inlet on second absorption tower is connected to the first gas vent on first absorption tower, the first absorption liquid import on first absorption tower is connected to the first discharge gate on second absorption tower, the third feed inlet on third absorption tower is connected to the second gas vent on second absorption tower, the second absorption liquid import on second absorption tower is connected to the third discharge gate on third absorption tower, the alkali groove is connected to the thir |
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