小型小麦清粒机的设计与评价

IF 1.3 Q2 AGRICULTURE, MULTIDISCIPLINARY Acta Technologica Agriculturae Pub Date : 2022-03-01 DOI:10.2478/ata-2022-0003
Mohamed Abu Ali, Eid Abd El-Rahman, Gamal El-Deen Nasr
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引用次数: 2

摘要

摘要设计了一台小型小麦清选机,用于将谷物从早稻和谷壳等非谷物材料中筛选和分离,以提高谷物质量。它是根据评估标准进行技术评估的:清洁度、谷粒损失、谷壳截留率和清洁效率。实验在三个水平的筛网坡度(5、10和15°)、两个筛网往复速度(0.48和0.95 m·s−1)、两种水平的进料速率(1和1.5 kg·min−1)以及三种空气速度(5、6和7 m·s–1)下进行。结果表明,在0.95 m·s−1的筛网往复速度下,在1.5 kg·min−1的进料速率、5 m·s–1的空气速度和5°的筛网坡度下,观察到的最大清洁度值为–96.25%。在1 kg·min−1的进料速率、15°筛坡、7 m·s−1的空气速度和0.48 m·s–1的筛往复速度下,观察到最小清洁度值为76.82%。结果表明,在使用不同的空气速度和进料速率时,不建议使用非常低或非常高的筛网倾斜角和筛网往复速度。
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Design and Assessment of a Small-Scale Machine for Cleaning Wheat Grains
Abstract A small-scale wheat cleaning machine was designed to winnow and separate grains from materials-other-than-grains (MOG), such as premature grains and chaff, in order to enhance the quality of grains. It was evaluated technically with respect to assessment criteria: cleanliness, grain loss, chaff rejection, and cleaning efficiency. Experiments were carried out at three levels of sieve slopes (5, 10, and 15°), two sieve reciprocating speeds (0.48 and 0.95 m·s−1), two levels of feed rates (1 and 1.5 kg·min−1), and three air velocities (5, 6 and 7 m·s−1). The results showed that, at sieve reciprocating speed of 0.95 m·s−1, the maximum cleanliness value was – 96.25% – observed at 1.5 kg·min−1 feed rate, 5 m·s−1 air velocity and 5° sieve slope. The minimum cleanliness value – 76.82% – was observed at a feed rate of 1 kg·min−1, 15° sieve slope, 7 m·s−1 air velocity, and 0.48 m·s−1 sieve reciprocating speed. The results showed that the use of either a very low, or a very high sieve slope angle and sieve reciprocating speed while using different air velocities and feed rates is not recommended.
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来源期刊
Acta Technologica Agriculturae
Acta Technologica Agriculturae AGRICULTURE, MULTIDISCIPLINARY-
CiteScore
2.50
自引率
28.60%
发文量
32
审稿时长
18 weeks
期刊介绍: Acta Technologica Agriculturae is an international scientific double-blind peer reviewed journal focused on agricultural engineering. The journal is multidisciplinary and publishes original research and review papers in engineering, agricultural and biological sciences, and materials science. Aims and Scope Areas of interest include but are not limited to: agricultural and biosystems engineering; machines and mechanization of agricultural production; information and electrical technologies; agro-product and food processing engineering; physical, chemical and biological changes in the soil caused by tillage and field traffic, soil working machinery and terramechanics; renewable energy sources and bioenergy; rural buildings; related issues from applied physics and chemistry, ecology, economy and energy.
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