A THEORETICAL ANALYSIS AND EXPERIMENTAL STUDY OF A COUPLED SCREW-PNEUMATIC CONVEYOR FOR CHOPPED CORNSTALKS

IF 0.9 4区农林科学 Q3 AGRICULTURAL ENGINEERING

Engenharia Agricola Pub Date : 2023-07-01 DOI:10.1590/1809-4430-eng.agric.v43n3e20220068/2023

Wulantuya, Nanding Li, Hongbo Wang, Zhipeng Fan, Chunguang Wang, Lin Qing

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Abstract

Various problems are encountered during the screw feeding process of chopped cornstalk. Therefore, it is important to deeply analyze and understand the relationship between conditions and productivity of screw conveyors. This study reveals the influence of air velocity, pitch, rotational speed, and feeding rate on productivity, power consumption, specific power consumption and pressure of material for a coupled screw-pneumatic conveyor. Through a theoretical analysis, a mathematical model is established that simultaneously considers the compression characteristics of the material, material pressure from the change in pitch and centrifugal force of the screw axis, productivity of the coupled screw-pneumatic conveyor, power consumption and specific power consumption. Then, experiments are conducted to investigate the influence of the structural and working parameters of the conveyor on its performance. Finally, the correctness of the theoretical calculation is verified through a comparison with experimental results. The results of the theoretical

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来源期刊

Engenharia Agricola AGRICULTURAL ENGINEERING-

CiteScore

1.90

自引率

20.00%

发文量

审稿时长

4-8 weeks

期刊介绍： A revista Engenharia Agrícola existe desde 1972 como o principal veículo editorial de caráter técnico-científico da SBEA - Associação Brasileira de Engenharia Agrícola. Publicar artigos científicos, artigos técnicos e revisões bibliográficas inéditos, fomentando a divulgação do conhecimento prático e científico na área de Engenharia Agrícola.