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Exploration of the Influence of Pulping Waste Liquid on the Performance of Granular Fuel Based on the Establishment of Wheat Residues Granular Fuel Model
Received:October 05, 2023  
DOI：10.11980/j.issn.0254-508X.2024.04.019
Key Words:pulping waste liquid  biomass granular fuel  physical properties  combustion characteristics
Fund Project:国家重点研发计划项目（2019YFC1905904）；山东省科教产融合创新试点工程（2022JBZ01-05，2022PY57）。
Author NameAffiliationPostcode
XUE Lanxin State Key Lab of Biobased Material and Green Papermaking/Key Lab of Pulp & Paper Science and Technology of Education Ministry of China， Qilu University of Technology （Shandong Academy of Sciences）， Ji’nan， Shandong Province， 250353 250353
LIN Zhaoyun State Key Lab of Biobased Material and Green Papermaking/Key Lab of Pulp & Paper Science and Technology of Education Ministry of China， Qilu University of Technology （Shandong Academy of Sciences）， Ji’nan， Shandong Province， 250353 250353
YANG Guihua* State Key Lab of Biobased Material and Green Papermaking/Key Lab of Pulp & Paper Science and Technology of Education Ministry of China， Qilu University of Technology （Shandong Academy of Sciences）， Ji’nan， Shandong Province， 250353 250353
CHEN Jiachuan State Key Lab of Biobased Material and Green Papermaking/Key Lab of Pulp & Paper Science and Technology of Education Ministry of China， Qilu University of Technology （Shandong Academy of Sciences）， Ji’nan， Shandong Province， 250353 250353
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Abstract:Wheat residues and cellulose/hemicellulose as raw materials were separately mixed with pulping waste liquid to prepare biomass granular fuel and its model through direct compression molding technology. The physical performance and the combustion characteristics of granular fuel were systemically studied. The results showed that the pulping waste liquid had good adhesive property because of the presence of lignin， sugar， and other organic components， which could improve the physical properties of granular fuels. The maximum transverse compressive strength and calorific value of granular fuel prepared by pulping waste liquid with solid content of 4.29% were 128.28 MPa and 16 806.4 J/g， respectively， which were obviously higher than that of the granular fuel prepared by water， whereas the comprehensive combustion characteristics index was decreased to 1.69×10-9%2/（min2·℃3）.
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