The Influence of Drying Temperature and Moisture of Corn Seeds Planted on Their Damage

Bajus, Peter; Mráz, Miroslav; Rigó, Ivan; Findura, Pavol; Fürstenzeller, Adam; Kiełbasa, Paweł; Malaga-Toboła, U.

doi:10.1515/agriceng-2019-0001

Cited by 9 publications

(6 citation statements)

References 2 publications

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“…En esta investigación se evidencia que las plantas de secado reciben en sus instalaciones granos con porcentajes de humedad superiores al 30%, lo cual implica mayor exposición durante el secado con lo cual la calidad del grano se ve afecta, tal como lo indica Bajus et.al 21 en su estudio el impacto de la temperatura de secado en el micro daño de las semillas de maíz.…”

Section: Discussionunclassified

Caracterización del secado del maíz duro amarillo en el Cantón Quevedo

Mancheno,

Moreira,

Jácome

et al. 2023

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Corn drying reduces the moisture content to levels that guarantee the conservation of the quality characteristics demanded by the food industry. The different piladoras located in the canton of Quevedo, in the Province of Los Ríos, use stationary systems for corn drying due to the advantages in terms of operation and functioning. This research aims to analyze the influence of the moisture content of corn on the drying process. For this study, the corn production corresponding to the second harvest period was considered. The results allowed determine that with an average corn moisture content of 31.55%, an estimated drying time of 4 hours and 15 minutes to reach levels of 13% wet basis; however, after this time, the moisture concentration of the grain remains above this value, which implies that the production lot must remain exposed to high temperatures for a more extended period, which affects the final quality of the grain and the efficiency of the process. Environmental conditions also influence the process since corn is produced and harvested in two periods per year, which means that production takes place when the grain has reached physiological maturity. Keywords: Quality; Impurities; Moisture content; Drying Process

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Section: Discussionunclassified

Caracterización del secado del maíz duro amarillo en el Cantón Quevedo

Mancheno,

Moreira,

Jácome

et al. 2023

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“…The moisture content of corn has a significant impact on the rate of broken grain (BGR) and the rate of uncleared grain (UGR) of direct grain harvesting [18,19]. BGR and UGR are the smallest when the grain moisture content is in the range of 15-25% [20].…”

Section: Characteristic Of High Moisture Content Cornmentioning

confidence: 99%

Design, Simulation, and Test of a New Threshing Cylinder for High Moisture Content Corn

Guo

et al. 2020

Applied Sciences

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Corn harvesting mode has gradually changed from ear harvesting to direct grain harvesting. In view of the problems of high moisture content in corn harvesting in China, such as the rates of broken grains (BGR) and uncleared grains (UGR) being too high, a new single longitudinal axial threshing cylinder was designed, which mainly included a cylinder spindle, a spiral feeding inlet, a T-type rasp bar, a separating straight rod, and a spiral extracting rod. Firstly, the three states of grain during the threshing process and the key influence factors of threshing and force analysis of corn ears in the threshing device were analyzed, then the structure of the threshing cylinder was designed, and its parameters were determined by theoretical analysis results. The arrangement mode of threshing elements adopted a combination of a T-type rasp bar, a separating straight rod, and a spiral extracting rod with a 6-head spiral pattern and an arrangement step of 250 mm. Secondly, the arrangement step of threshing elements was determined by discrete element method solution (DEM) simulation; the result showed that the average movement velocity was 55.04 m/s and the threshing time was 6–8 s. Finally, a multiple factors experiment of the threshing device was carried out, and the result showed that the order of the effect factors of the BGR and UGR was cylinder rotational speed > concave clearance > feed amount. When cylinder rotational speed was 309.17 r/min, concave clearance was 35.48 mm, and the feed amount was 6.13 kg/s. The verification experiment result showed that the BGR and UGR were 1.24% and 1.33%, respectively, which meet standard requirements. The research results could provide a reference for the design of a high moisture content grain threshing device and combine harvester.

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“…Corn grains are considered as biological material sensitive to temperature and long storage in high humidity conditions [20]. After harvesting, the grain has a moisture content of 30%-40%, which must be reduced to 14% [21,22]. Due to the high initial moisture content, only thermal drying is recommended as this is the only way to achieve the required final moisture content.…”

Section: Introductionmentioning

confidence: 99%

Evaluation of the Properties and Usefulness of Ashes from the Corn Grain Drying Process Biomass

et al. 2020

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The paper presents the results of a study on chemical composition of ashes from three types of waste biomass in terms of fertilizer usefulness. Waste from the process of corn grain drying, including corn cobs, corn grains and corn husk and their mixtures in the ratio 4:1 (v/v) were examined. The study proved that corn grain was the material with the highest concentration of macroelements among those studied (P—21,452 ppm, K—25,970 ppm, S—5911 ppm) and the mixture of corn cobs with corn grains (Ca—81,521 ppm). When microelements were considered, the highest concentration was recorded for corn cobs (Cu—207 ppm, Mn—844 ppm, Zn—857 ppm) and corn husk (Fe—15,100 ppm). The analysis of toxic elements in the ashes of the biomass studied showed their highest concentration in corn husk ash (Ni—494 ppm, Cr—301 ppm, Pb—42.7 ppm, As—4.62 ppm). The analysis showed that regardless of the type of biomass studied, all ashes were strongly enriched (in relation to the average soil content) with phosphorus and corn husk ash with calcium in particular. A slight enrichment in copper and lead was recorded for all ashes, and moderate or low for the other elements. It was found that the examined ashes from biomass, which is a residue from the drying of maize grain, have a high fertilizer usefulness.

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The Influence of Drying Temperature and Moisture of Corn Seeds Planted on Their Damage

Cited by 9 publications

References 2 publications

Caracterización del secado del maíz duro amarillo en el Cantón Quevedo

Caracterización del secado del maíz duro amarillo en el Cantón Quevedo

Design, Simulation, and Test of a New Threshing Cylinder for High Moisture Content Corn

Evaluation of the Properties and Usefulness of Ashes from the Corn Grain Drying Process Biomass

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