Contact pressure analysis to allow improved design for the clearing plate in a biomass comminution system

Lin, Lianshan; McKiernan, Chris; Lanning, David; Keiser, James R.; Qu, Jun

doi:10.1007/s13399-023-04805-6

Contact pressure analysis to allow improved design for the clearing plate in a biomass comminution system

Journal Article · Wed Sep 06 00:00:00 EDT 2023 · Biomass Conversion and Biorefinery

DOI:https://doi.org/10.1007/s13399-023-04805-6· OSTI ID:2205443

^[1]; McKiernan, Chris ^[2]; Lanning, David ^[2]; ^[1]; ^[1]

Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Forest Concepts, Auburn, WA (United States)

For biomass processing systems, feedstocks with small but equal sizes can improve flowability and thermochemical outputs. The Crumbler rotary shear system was designed to achieve such ideal feedstocks to reduce costs and energy throughout the biomass supply chain. Improving the wear resistance of major components in this system is important to decrease the cost. Accelerating the feedstock flow through the rotary shear machine plays an equivalent role of improving its efficiency. An analytical analysis and a finite-element analysis of the stationary clearing plate are presented in this work. Here, these tools are used to investigate the effect of contact surface curvature on the impact pressure. The optimized new clearing plate design is expected to improve the component’s lifetime and wood chips flowability. The field tests confirm that the trend of the new clearing plate design guided by FEA. The optimization method, model verification, and validation experience applied in this work can also be applied to other static components with similar simple contact wear problems.

Research Organization:: Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)

Sponsoring Organization:: USDOE Office of Energy Efficiency and Renewable Energy (EERE), Office of Sustainable Transportation. Bioenergy Technologies Office (BETO)

Grant/Contract Number:: AC05-00OR22725

OSTI ID:: 2205443

Journal Information:: Biomass Conversion and Biorefinery, Journal Name: Biomass Conversion and Biorefinery Vol. 14; ISSN 2190-6815

Publisher:: SpringerCopyright Statement

Country of Publication:: United States

Language:: English

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Related Subjects

09 BIOMASS FUELS
biomass comminution
clearing plate
contact pressure
finite element simulation
tool wear
wood chip

Contact pressure analysis to allow improved design for the clearing plate in a biomass comminution system

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