Problem Formulation of Screw Feeding System of Fibrous Materials Using TRIZ

  • Marek MysiorEmail author
  • Sebastian Koziołek
  • Eugeniusz Rusiński


Current trends in organic waste processing are directed towards the use of new materials in thermochemical processes like torrefaction or pyrolysis. Currently known solutions on how to design a process installation are not fully applicable to the new type of materials being processed nowadays. The aim of this study was to describe set of potential problems that occur in the organic waste processing and to implement problem-solving approach using TRIZ to define potential solutions to them at the stage of conceptual design. The screw feeding system was defined as the system to be analyzed. One of the core problems defined was the blockage in material flow resulting from the morphology of the material. During the study, such TRIZ tools like Functional Analysis, 40 principles and Contradiction Matrix as well as System Operator were implemented to define the core problem and to generate solutions to this problem taking into consideration technological, economical, ecological and social aspects. The entire screw feeding system was also function-modelled and related to the entire torrefaction system showing its contribution to the process. Application of TRIZ at the stage of conceptual design makes it possible to define set of limitations in the design before the actual testing takes place. This allows to predict the behavior of the system being analyzed and thus to address the problems at earlier stage of the product development, reducing the use of resources in the design process.


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Copyright information

© Springer Nature Switzerland AG 2018

Authors and Affiliations

  • Marek Mysior
    • 1
    Email author
  • Sebastian Koziołek
    • 1
  • Eugeniusz Rusiński
    • 1
  1. 1.Department of Machine Design and ResearchWroclaw University of Science and TechnologyWroclawPoland

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