A Modification and development of threshing unit for minor millets

Chaturvedi, Shalini; Rathore, Falguni; Pandey, S. K.

doi:10.18805/bkap115

Cited by 3 publications

(3 citation statements)

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“…Loss percentage was increase as increasing of feed rate and speed. Similar types of results were also obtained by many researchers for different crops [1] Olaoye et al [11], [12][13][14][15][16][17][18].…”

Section: Shattering Losses (%)supporting

confidence: 84%

Design, Development and Performance Evaluation of Groundnut Pod Stripper

Anant,

Naik,

Patel

et al. 2023

IJPSS

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This project only removes the pods from their roots so the farmers can work easy and can save time and money as well. It is very efficient and can be available to all at minimum cost. This work focused on the design and fabrication of a groundnut pod striper machine electrically powered by a 1hp motor. The main components of the developed stripper are stripping cylinder, frame cover to protect the pods from scattering and sieve for cleaning purpose. According to the design dimension the conceptual drawing was built with the help of SOLIDWORKS software. The principle of the designing is based on the horizontal circular rotary motion. The developed pod stripper has a dimension of 1170 × 930 × 560. The performance of the developed pod stripper was tested with three independent parameter i.e. feed rate (kg/h), moisture content (% db) and cylinder speed (m/min) and the dependent parameters were stripping efficiency, cleaning efficiency and damage percentage. It was found that the stripping efficiency is 97% and stripping capacity is 195 kg/h, cleaning efficiency is 87% efficient. There were no losses but the scattering of groundnut pod was 0.83%. The developed machine have output of 10 times more than the traditional method with profit of more than 10 times.

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Section: Shattering Losses (%)supporting

confidence: 84%

Design, Development and Performance Evaluation of Groundnut Pod Stripper

Anant,

Naik,

Patel

et al. 2023

IJPSS

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show abstract

“…Parboiling and drying before milling were recommended to reduce milling losses and improve returns. Chaturvedi and Rathore (2018) studied the threshing methods for different minor millets, including little millet. Five distinct forms of threshing kutki pegs improved the performance of the threshing unit for little millet.…”

Section: Millets Dehulling/pearlingmentioning

confidence: 99%

“…Pretreatments like direct boiling and sun drying resulted in significantly higher dehusking efficiency. Provender mill showed advantages as it could be used for other cereals and millet cost-effectively.Parboiling and drying before milling were recommended to reduce milling losses and improve returns Chaturvedi and Rathore (2018). studied the threshing methods for different minor millets, including little millet.…”

mentioning

confidence: 99%

Review on millets dehulling and pearling technologies and machinery

Mittal,

Kumar,

Gupta

et al. 2024

J Food Process Engineering

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This paper presents a comprehensive analysis of recent advancements in the mechanization of millet processing technologies. In the last decade, many researchers have worked on millet postharvest processing technologies and developed many machines; however, there is a lack of collective information. The design, development, and performance aspects of millet threshing, dehulling/pearling, and cleaning are comprehensively reviewed and discussed in this review. Various studies are examined, which explore these machines' operational parameters and performance. The findings highlight the significant improvements in threshing and pearling efficiency, grain damage reduction, and ergonomic benefits in comparison to traditional manual methods. This comprehensive review of millet machinery helps to identify the research gap and establish a platform for optimum design and development for the future. Additionally, this helps to improve the level of mechanization in millet processing. The paper contributes valuable insights into improving postharvest processing methods for various millet varieties, thus aiding in promoting the utilization and commercialization of these nutritious and sustainable crops.Practical applicationsUnderstanding of engineering properties of millets for further development and improvement of available millet dehulling machinery. The knowledge of factors involved in millet dehulling and pearling helps in testing and evaluation of millet processing machinery. The comprehensive information about the millet machinery improve mechanization of the millet‐based industries.

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Research and Experimentation on Sparse–Dense Interphase Curved-Tooth Sorghum Threshing Technology

Ma,

He,

Geng

et al. 2024

Agriculture

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The high-speed development of the liquor industry brings sorghum demand, which is increasingly strong at the moment. Still, its harvesting mechanization level is low, and with the design of a longitudinal flow sparse and dense curved-teeth sorghum threshing technology, the harvester’s work quality is improved by the reduction of seed impurities. This article describes the working principle of the harvester, the overall distribution of threshing elements, and force analysis of the threshing aspects to determine the structure of the threshing elements. The orthogonal test was carried out, with a sparse–dense interphase threshing drum as the research object, selecting operating speed, threshing element bending angle, and threshing element mounting angle as the test factors, with the entrainment loss rate and the net threshing rate as the assessment indexes for the three-factor, three-level test, and the use of Design-Expert to establish a mathematical regression model between the factors and the two indicators, resulting in the following optimized parameters: when the operating speed is 1.0 m·s−1, the bending angle of the threshing element is 80°, and the mounting angle of the threshing element is 45°, the loss rate of entrainment is 1.89%, and the net threshing rate is 95.53%. The machine’s design indexes are in line with relevant national standards and can meet the demand for mechanized harvesting of sorghum.

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A Modification and development of threshing unit for minor millets

Cited by 3 publications

References 0 publications

Design, Development and Performance Evaluation of Groundnut Pod Stripper

Design, Development and Performance Evaluation of Groundnut Pod Stripper

Review on millets dehulling and pearling technologies and machinery

Research and Experimentation on Sparse–Dense Interphase Curved-Tooth Sorghum Threshing Technology

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