Paper-making industry black liquor concentration system based on open type evaporation absorption principle
By constructing a black liquor concentration system based on the principle of open evaporation and absorption, and utilizing the waste heat from the alkali recovery plant for black liquor pre-concentration, the problems of high steam consumption and waste heat were solved, achieving energy conservation, emission reduction, and optimized resource utilization.
CN122082277APending Publication Date: 2026-05-26HEIMDALLR SHANGHAI ENERGY SAVING TECH
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Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- HEIMDALLR SHANGHAI ENERGY SAVING TECH
- Filing Date
- 2026-03-23
- Publication Date
- 2026-05-26
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Figure CN122082277A_ABST
Abstract
The embodiment of the invention provides a paper-making industry black liquor concentration system based on an open type evaporation absorption principle, and relates to the technical field of paper-making industry black liquor concentration. The black liquor concentration system comprises black liquor concentration circulation, sewage circulation, circulating air circulation, regeneration tower condensate water circulation, a steam supply process and an incineration and flue gas treatment process, light sewage, medium sewage and alkali furnace flue gas heat originally containing waste heat are fully utilized through the synergistic effect of all the circulation, and pre-concentration treatment and pre-heating treatment of black liquor are constructed through cooperation of multiple heat sources. And multi-effect steam is saved. And the black liquor concentration system reasonably distributes light sewage, medium sewage and heavy sewage, so that good pre-treatment is performed for wastewater discharge of an alkali recovery workshop.
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