Full- desorption system for hydrogenchloride
A desorption and hydrochloric acid technology, applied in the field of hydrochloric acid desorption system, can solve problems such as unsatisfactory recovery effect, and achieve the effect of reducing system energy consumption
Inactive Publication Date: 2008-10-22
吴春森
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Problems solved by technology
With the existing hydrochloric acid desorption device, the content of hydrochloric acid in the treated wastewater still has a certain proportion, and the recovery effect is not ideal
Method used
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The invention discloses a full desorption system of hydrochloric acid, which comprises a vacuum system and a high pressure system. The invention reclaims boiling acid by utilizing the difference of azeotropic point of the hydrochloric acid; a reboiler of the hydrochloric acid in the vacuum system heats the dilute acid at tower bottom by utilizing the HCl gas evaporated by the high pressure system, thus reducing energy consumption.
Description
Hydrochloric acid full desorption system Technical field: The invention relates to a hydrochloric acid desorption system. Background technique: In the existing hydrochloric acid desorption device, the content of hydrochloric acid in the treated wastewater still has a certain proportion, and the recovery effect is not ideal. Invention content: The object of the present invention is to provide a hydrochloric acid total desorption system with reasonable structure and good hydrochloric acid recovery effect. Technical solution of the present invention is: A hydrochloric acid full desorption system is characterized in that it includes a first all-graphite heat exchanger with a raw liquid inlet at the bottom, the top of the first all-graphite heat exchanger communicates with the middle and upper part of the first packed tower of the vacuum system, and the first The all-graphite heat exchanger communicates with the first reboiler, the first reboiler communicates with the lo...
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IPC IPC(8): C02F1/04C02F1/58C01B7/01C02F101/12
Inventor 吴春森
Owner 吴春森