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Soft Sensing Model for Energy Consumption and Drying Rate of Yankee Cylinder and Its Application
  
DOI：10.11980/j.issn.0254-508X.2019.05.007
Key Words:tissue paper  drying section  air hood  energy system  optimization  soft sensor
Fund Project:广东省科技计划项目（2015B010110004）；广东省自然科学基金项目（2017A030310562）；制浆造纸工程国家重点实验室开放基金（201830）。
Author NameAffiliation
ZHANG Wei State Key Lab of Pulp and Paper Engineering， South China University of Technology，Guangzhou， Guangdong Province， 510640 
LI Jigeng* State Key Lab of Pulp and Paper Engineering， South China University of Technology，Guangzhou， Guangdong Province， 510640 
MAN Yi State Key Lab of Pulp and Paper Engineering， South China University of Technology，Guangzhou， Guangdong Province， 510640 
HONG Mengna State Key Lab of Pulp and Paper Engineering， South China University of Technology，Guangzhou， Guangdong Province， 510640 
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Abstract:The drying section has the highest energy consumption in tissue paper machine. Besides， it is also one of the key processes to control the quality of the products.How to reduce the energy consumption of drying section and ensure the product quality is a hot issue in the industry.Taking environment temperature and humidity and accessible operational parameters as model input， this study proposed a soft sensing model to simulate the energy consumption and drying rate of Yankee drying system which is a common drying method for tissue paper at present.The proposed model has been applied to BF paper machines under various production conditions.The results indicated that the average errors of drying rate and steam flow rate were are less than 3% and 5% respectively，it verifies the reliability and accuracy of the model， which could be used to supply the scientific basis for the drying process optimization.
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