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Research and Implementation of On-line Calculation Method of H-Factor in Displacement Digester Systems
  
DOI：10.11980/j.issn.0254-508X.2014.04.010
Key Words:Displacement Digester Systems  H-Factor  cooking endpoint
Fund Project:受国家国际科技合作项目（2010DFB4366）和陕西省科技计划项目（2011KW 11-2）资助。
Author NameAffiliation
于东伟1，2 1.陕西科技大学轻工与能源学院，陕西西安，710021；2.陕西科技大学自动化研究所，陕西咸阳， 712000 
汤　伟1，2 1.陕西科技大学轻工与能源学院，陕西西安，710021；2.陕西科技大学自动化研究所，陕西咸阳， 712000 
游彦卿3 3.四川银鸽竹浆纸业有限公司，四川泸州，646300 
王孟效2 2.陕西科技大学自动化研究所，陕西咸阳，712000 
张　秦2 2.陕西科技大学自动化研究所，陕西咸阳，712000 
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Abstract:Aiming at the difficulties of judging the endpoint of pulping in Displacement Digester Systems, the on-line calculation method of H-Factor was studied. To reduce the calculation errors, combining the processing mechanism of H-Factor was calculated in a phased way effective cooking temperature, avoiding the wrong action caused by instrument failure. SIEMENS PLC software for H-Factor on-line calculation was developed by using STEP7 and WINCC as hardware development platform. Finally, control the cooking endpoint of Displacement Digester Systems effectively.
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