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Recent Advances in Computational Fluid Dynamics Simulation of Black Liquor Alkali Recovery System
Received:May 12, 2022  
DOI：10.11980/j.issn.0254-508X.2022.08.012
Key Words:black liquor atomization  black liquor combustion  flow characteristic  computational fluid dynamics （CFD）  numerical simulation
Fund Project:国家自然科学基金面上项目（21978161）；陕西科技大学学术带头人团队项目（2013XSD25）。
Author NameAffiliationPostcode
WANG Yiwei* College of Bioresources Chemical and Materials Engineering， National Demonstration Center for Experimental Light Chemistry Engineering Education， Shaanxi Province Key Lab of Papermaking Technology and Specialty Paper， Key Lab of Paper Based Functional Materials of China National Light Industry， Shaanxi University of Science & Technology， Xi’ an， Shaanxi Province， 710021 710021
XU Yongjian College of Bioresources Chemical and Materials Engineering， National Demonstration Center for Experimental Light Chemistry Engineering Education， Shaanxi Province Key Lab of Papermaking Technology and Specialty Paper， Key Lab of Paper Based Functional Materials of China National Light Industry， Shaanxi University of Science & Technology， Xi’ an， Shaanxi Province， 710021 710021
GUO Kangkang College of Bioresources Chemical and Materials Engineering， National Demonstration Center for Experimental Light Chemistry Engineering Education， Shaanxi Province Key Lab of Papermaking Technology and Specialty Paper， Key Lab of Paper Based Functional Materials of China National Light Industry， Shaanxi University of Science & Technology， Xi’ an， Shaanxi Province， 710021 710021
YUE Xiaopeng College of Bioresources Chemical and Materials Engineering， National Demonstration Center for Experimental Light Chemistry Engineering Education， Shaanxi Province Key Lab of Papermaking Technology and Specialty Paper， Key Lab of Paper Based Functional Materials of China National Light Industry， Shaanxi University of Science & Technology， Xi’ an， Shaanxi Province， 710021 710021
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Abstract:At present， the development trend of alkali recovery system is to increase the solid content of black liquor before combustion， computational fluid dynamics （CFD） technology can be used to predict the flow characteristics and atomization combustion performance of black liquor in alkali recovery furnace. The numerical models of black liquor atomization and combustion in alkali recovery system were summaried， research progress of which was emphasized， and the application of isothermal and non-isothermal models in the combustion of black liquor in alkali recovery system was illustrated as well. It is proposed to further improve the model for black liquor combustion and develop a simplified sub-model to realize the accurate numerical simulation for the atomization and combustion of black liquor. It is expected to put forward a new research direction for the black liquor with high solid content in alkali recovery system， and bring up the prospect for the progress and future development of alkali recovery technique.
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