The effect of chipper cut length on wood fuel processing performance

Alessio Facello; Eugenio Cavallo; Natascia Magagnotti; Giuseppe Paletto; Raffaele Spinelli

doi:10.1016/j.fuproc.2013.07.002

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The effect of chipper cut length on wood fuel processing performance

Journal article

Peer reviewed

The effect of chipper cut length on wood fuel processing performance

Alessio Facello, Eugenio Cavallo, Natascia Magagnotti, Giuseppe Paletto and Raffaele Spinelli

Fuel Processing Technology, Vol.116, pp.228-233

2013

DOI: https://doi.org/10.1016/j.fuproc.2013.07.002

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Abstract

Chemical Engineering

Physical Chemistry (incl. Structural)

biomass

energy

chips

productivity

fuel consumption

The authors tested the same chipper under two alternative cut length settings (7 mm and 20 mm), with and without a piece breaker. The study included 10 repetitions per treatment, over 2 different feedstock types: chestnut logs and locust logs. The total number of repetitions was 80, each consisting of about 30 kg of logs. Cut length setting and piece breaker option are the main drivers of chip size, and they are manipulated with the main purpose of managing particle size distribution. Our study showed that the proportion of small chips increased dramatically with the shortest cut length setting (7 mm). Installing a piece breaker allowed maximizing the incidence of small chips, which reached 70% of the total mass when the piece breaker was used in combination with the shortest cut length setting. All else being equal, reducing cut length determined a substantial decrease of productivity (ca. 30%), and an even higher increase of specific fuel consumption (ca. 50%). All strategies to reduce chip size also resulted in increasing the incidence of fines. These results were obtained with new sharp blades. Blade wear may enhance or weaken the effect of cut length and piece breaker option.

Details

Title: The effect of chipper cut length on wood fuel processing performance
Authors: Alessio Facello (Author) - CNR IMAMOTER, Italy
Eugenio Cavallo (Author) - CNR IMAMOTER, Italy
Natascia Magagnotti (Author) - CNR IVALSA, Italy
Giuseppe Paletto (Author) - CNR IMAMOTER, Italy
Raffaele Spinelli (Author) - CNR IVALSA, Italy
Publication details: Fuel Processing Technology, Vol.116, pp.228-233
Publisher: Elsevier BV
Date published: 2013
DOI: 10.1016/j.fuproc.2013.07.002
ISSN: 0378-3820
Organisation Unit: University of the Sunshine Coast, Queensland; Forest Industries Research Centre; Forest Research Institute
Language: English
Record Identifier: 99448821902621
Output Type: Journal article

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