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Performance Evaluation of Micro Rice Mill

Dr. SM Mahfuzur Rahman
Senior Scientific Officer
Farm Machinery and Postharvest Technology Division, Bangladesh Rice Research Institute, Gazipur-1701.

Abstract/ Executive Summary:

The performance of a micro rice mill was evaluated with eight rice varieties under both parboiled and unparboiled conditions and with single and double pass operations. The degree of milling for different varieties of unparboiled rice for single pass was found to be varied from 4.6 to 14.3% for both BRRI dhan31 and BRRI dhan25 respectively. The range of TGM, brown and milled rice was found to be 11 to 26.5, 9 to 22 and 7.9 to 21g for BRRI dhan34 and BRRI dhan31 respectively. The micro rice mill showed better performance for BR 5, BRRI dhan30, BRRI dhan34 for unparboiled rice and the best for parboiled rice in respect to head rice recovery.

Keywords: Milling machinery, Head rice recovery, Milling yield, Unparboiled

Location: Gazipur

Start Date: 01-07-2000

End Date: 30-06-2001

Program Area: Socio-economic and Policy

Commodity: Rice mill

Objectives:

To test the micro rice mill

Methodology:

BR 5, BR 11, BR 22, BR 25, BRRI dhan30, BRRI dhan31, BRRI dhan32 and BRRI dhan34 and the micro rice mill . Machine The micro rice mill was operated by a 0.75 hp single phase AC induction motor. The rpm of the motor was 2800. Methods RNAM code was followed to test the micro rice mill

Source of Information: BRRI Annual Research Review 2000-01

Article Link (Online Journal):

Funding Source:

1. Government

Budget:

Total Budget (Tk.) :

Achievement/Findings:

The average milling capacity was ranged from 12.1 to 18.7 kg/h for unparboiled rice which was 15 kg/h for parboiled rice for single pass operation. The micro rice mill showed satisfactory performance for BR 5, BRRI dhan30, BRRI dhan34 for unparboiled paddy and the better performance was observed for parboiled rice in respect to head rice recovery.

Knowledge Management: Report/Proceedings