Intelligent control system for multi-effect evaporation equipment
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- JIANGSU EAST AUTOMATION SYST
- Publication Date
- 2019-09-20
- Estimated Expiration
- Not applicable · inactive patent
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Abstract
Description
technical field
[0001] The invention discloses an intelligent control system for multi-effect evaporation equipment. Background technique
[0002] Multi-effect evaporation is an evaporation operation in which several evaporators are operated in series. In the first evaporator heated by direct steam, the secondary steam generated by the boiling of the heated liquid enters the second evaporator as a heat source. The thermal energy of the steam can be utilized multiple times, thereby improving the utilization rate of thermal energy, and it is mostly used for the treatment of aqueous solutions. However, this kind of multi-effect evaporation equipment has high investment costs, complex systems, and high installation accuracy requirements. If there is non-condensable gas dissolved in the raw material solution , the non-condensable gas mixed in the secondary steam will greatly reduce the after-effect evaporation efficiency. The operation of this multi-effect evaporation equipment i...