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EFFECT OF HULLING MACHINES ON HULLING CHARACTERISTICS AND QUALITY OF RICE GRAINS

Article

Last updated: 04 Jan 2025

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Tags

Processing Engineering of Agricultural Products

Abstract

During milling process, the convention to husk paddy rice is pass it between two rubber rollers that are rotating with a surface speed different. The resulting normal pressure and shear stress causes the husk to be peeled away from kernel. This operation is one of the most important stages, which effectively determines the quantitative and qualitative losses of rice. The main aim of this research was to evaluate the hulling characteristics of different rubber roll type huskers (adjust the clearance one manually and the other by pressing the air) using paddy rice variety Giza 179 as a short grain was studied based on some technical indicators. Two types of machines (THU-35A and HR-10 MPc) were used. The results showed that the operational parameters for Optimum operational efficiency are: 0.9 mm clearance and 1.4 Speed ratio, the husker machine model (SATAKE THU-35A). For the husker machine model (SATAKE HR-10 MPc) at constant speed ratio of 1.25, the optimum operational efficiency are: 3.3 Kg/cm2 pneumatic pressure and 90 Kg/min. feeding rate for the Husker machine (HR-10 MPc) at constant speed ratio of 1.25. To describe the effect the efficiency of paddy hulling, the percentage of broken grain and the power consumption's of husker machines as a function of paddy feeding rate, rubber roll clearance and speed ratio a computer programmer for regression analysis were used.

DOI

10.21608/mjae.2018.96055

Authors

First Name

Mohamed

Last Name

Yehia

MiddleName

E.

Affiliation

Res, Rice Technology Training Center, Field Crops Research Institute, A.R.C., Alexandria, Egypt.

Email

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City

-

Orcid

-

First Name

A.

Last Name

Katab

MiddleName

R.

Affiliation

Res, Rice Technology Training Center, Field Crops Research Institute, A.R.C., Alexandria, Egypt.

Email

-

City

-

Orcid

-

Volume

35

Article Issue

1

Related Issue

14445

Issue Date

2018-01-01

Receive Date

2020-06-15

Publish Date

2018-01-01

Page Start

259

Page End

274

Print ISSN

1687-384X

Online ISSN

2636-3062

Article File

MJAE_Volume 35_Issue 1_Pages 259-274.pdf

PDF . 663.6kB

Link

https://mjae.journals.ekb.eg/article_96055.html

Detail API

https://mjae.journals.ekb.eg/service?article_code=96055

Order

15

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

EFFECT OF HULLING MACHINES ON HULLING CHARACTERISTICS AND QUALITY OF RICE GRAINS

Details

Type

Article

Created At

23 Jan 2023