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97599

THE SCREW WEAR INFLUENCE ON THE PERFORMANCE OF AN OILSEED EXPELLER

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Last updated: 04 Jan 2025

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Abstract

The main objective of the present study is investigating the influence of the tapered screw hardening treatment and screw operating hours on the abrasive wear at three different zones of feeding (A), crushing (B) and pressing(C) on the screw as well as the expeller performance during the oil expression processfor determining the optimum time for the screw replacement. This study was carried out to compare the performance of two types of the tapered screws, the hardened (HS) and Non-hardened (NHS) to press flax seeds during 400 h of working at the recommended operating conditions of 9% for seed moisture content, 30 rpm for screw speed and 0.4 mm for outlet clearance. The obtained results revealed that, the HS would decrease the wear after 400 h of oil expression by about 30.54, 26.22 and 35% at A, B and C zones, respectively compared to NHS. The using of HS would increase the feeding capacity, expressed oil and expression efficiency by about 6.7, 7.44 and 5.56%, respectively more than the NHS. Also, the using of HS would decrease the oil in cake, and consumed energy by about 11.75 and 6.7%, respectively compared to the NHS. Ultimately, it is suggested to make replacement to the tapered screw with a new one after 300 and 400 operating hours for the NHS and HS, respectively, this mean that, the HS may give 100 h of oil expression more than the NHS.

DOI

10.21608/mjae.2016.97599

Keywords

flax seeds, expeller, tapered screw, abrasive wear, hardening, machine performance

Authors

First Name

A. S.

Last Name

El-Ashry

MiddleName

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Affiliation

Professor, Agric. Eng. Res. Inst.(AEnRI), Dokki, Giza, Egypt.

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Orcid

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First Name

M.A.

Last Name

Tawfk

MiddleName

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Affiliation

Assistant. Prof., Agric. Eng. Dept., Fac. of Agric., Zagazig Univ., Egypt.

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Orcid

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Volume

33

Article Issue

4

Related Issue

14761

Issue Date

2016-10-01

Receive Date

2020-06-23

Publish Date

2016-10-01

Page Start

1,315

Page End

1,328

Print ISSN

1687-384X

Online ISSN

2636-3062

Article File

MJAE_Volume 33_Issue 4_Pages 1315-1328.pdf

PDF . 922.4kB

Link

https://mjae.journals.ekb.eg/article_97599.html

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https://mjae.journals.ekb.eg/service?article_code=97599

Order

8

Type

Original Article

Type Code

1,326

Publication Type

Journal

Publication Title

Misr Journal of Agricultural Engineering

Publication Link

https://mjae.journals.ekb.eg/

MainTitle

THE SCREW WEAR INFLUENCE ON THE PERFORMANCE OF AN OILSEED EXPELLER

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Article

Created At

23 Jan 2023