Ammonium chloride concentration crystallization system and method

The ammonium chloride concentration and crystallization system, which combines co-current and counter-current multi-effect membrane distillation, solves the problems of low ammonium chloride purity and high energy consumption, and achieves efficient crystallization and direct reuse. The system is simple, corrosion-resistant, energy-saving and emission-reducing.

CN116650999BActive Publication Date: 2026-07-07BEIJING CSRE RESOURCES & ENVIRONMENT TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
BEIJING CSRE RESOURCES & ENVIRONMENT TECH CO LTD
Filing Date
2023-06-19
Publication Date
2026-07-07

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Abstract

The present application relates to the field of ammonium chloride concentration crystallization, and particularly relates to a kind of ammonium chloride concentration crystallization system and method.The ammonium chloride concentration crystallization system of the present application includes raw material buffer device, dosing device, concurrent multi-effect membrane distillation device, countercurrent multi-effect membrane distillation device, heat exchange device, cooling device, centrifugal device and centrifugal liquid buffer device.The ammonium chloride concentration crystallization system of the present application can improve the crystallization efficiency and purity of ammonium chloride by the cooperation of each device, and the obtained ammonium chloride crystal and distilled water can be directly reused, the system is simple, corrosion resistant, and has high degree of engineering application, good energy saving and emission reduction effect.
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Citation Information

Patent Citations

  • Multiple-effect membrane distillation device and method

    CN102107119A

  • Ammonium chloride solution evaporation crystal system

    CN204897422U