Power Consumption Analysis and Experimental Study on the Kneading and Cutting Process of Licorice Stem in Horizontal Total Mixed Ration Mixer

Li, Wentao; Wen, Bo; Song, Panpan; Shi, Yameng; Zhang, Jie; Li, Jingbin; Liang, Junpeng; Li, Tianyang; Qu, Beichuan

doi:10.3390/pr9122108

Cited by 3 publications

(1 citation statement)

References 22 publications

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“…Three verification tests were performed, with the results shown in Table 6. The verification test results show that the error between the device mixing test value and the model optimization value is < 5%, indicating that the model optimization is feasible and fulfills the operational requirements of relevant standards [30,31], which can be used to guide the design and research on related devices.…”

Section: Parameter Optimizationmentioning

confidence: 99%

Design and Testing of Segmented Spiral Total Mix Ration Mixer

Wang,

Wen

et al. 2023

Processes

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To address the challenges of non-uniform mixing in total mixed diet forage and the high power consumption of the required device, we developed a segmented spiral total mixed diet device. This development involved theoretical analysis to determine the structural parameters of the main body of the segmented spiral blades, the churn, and the creation of a test bed for the segmented spiral total mixed diet device. Taking mixing speed, mixing time, filling coefficient, and segmented spiral blade spacing as test factors and mixing uniformity and energy consumption per unit mass as test indexes, the optimal combination of operating parameters of the device was determined by using a four-factor, three-level orthogonal test method. The results of the validation test showed that the mixing uniformity of the device under these conditions was 93.41%, the energy consumption per unit mass was 4723.69 J, and the errors between the mixing test values of the device and the optimized values of the model were all less than 5%. This study can provide a reference for improving the working quality of the segmented spiral TMR mixer.

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Section: Parameter Optimizationmentioning

confidence: 99%

Design and Testing of Segmented Spiral Total Mix Ration Mixer

Wang,

Wen

et al. 2023

Processes

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Parameters and Operation Modes of the Cutting and Chopping Apparatus

Truflyak,

Potebnya

2023

Engineering Technologies and Systems

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ntroduction. To improve the efficiency of harvesting crops, it is necessary to improve the existing tools of mowers and headers of combine harvesters that will ensure their versatility and multifunctionality. The increased power availability per the industry in the current economic and political conditions can be achieved by applying the principles of resource conservation and using alternative designs of reaper and headers. The existing cutting units of these agricultural machines do not provide simultaneous cutting, harvesting and chopping of corn stalks, sunflower stalks, reed steams and branches for the purpose of futher incorporation into the soil or collection of plant mass to use in liverstock. Therefore, substantiating the design and technological scheme and determinating the parameters and modes for the universal cutting and chopping apparatus is relevant. Aim of the Article. The aim of the work is to increase the efficiency of cutting and chopping plants by substantiating the structural and functional scheme of the unit and the ration parameters and operating modes of the cutting unit. Materials and Methods. The physics of the kinematic mode indicator is substantiated in terms of the probability-based approach. The research was carried out in the laboratory of the Department of Operation and Technical Service and in the training park of Kuban State Agrarian University. Results. There is substantiated the structural and functional scheme of the chopper unit with a cutterbar of cutting and chopping type. The physics of the kinematic mode index characterizing the intensity of interaction of a certain number of knives with plants on the root and stems distributed over the area with different density, is substantiated for the accepted conditions of the unit operation, in terms of probabilistic approach to the interaction of knives with stems in the form of plants on the root. Discussion and Conclusion. The obtained data are necessary for designing universal machines of a new type, providing not only cutting, but also collecting of cut stems, chopping and possible collecting of the chopped crop or spreading chopped crop on the field. Depending on the rotational speed of the auger tool, an indicator of the kinematic mode, the power varies from 4.99 kW to 11.02 kW, productivity from 0.5 kg/s to 1.22 kg/s, and energy consumption from 11.02 to 4.99 kW-s/kg.

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Optimization design and experiment of double-helix total mixed rations preparation mixer for silage straw feed

Chen,

Xu,

et al. 2024

J Agric Eng

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Aiming at the problems of uneven mixing and low production efficiency of domestic silage mixer, a double- helix TMR (Total Mixed Rations) preparation mixer for silage straw feed was designed to replace the traditional vertical single-helix mixer. The performance tests and parameter optimization were carried out on this preparation machine. By analyzing the mixing process and mechanism of the diets in the mixing chamber, the key factors affecting the mixing performance and the range were determined. It was found that the greater the stirring speed of the churn, the greater the angle of material lift, the more conducive to improving the material lifting capacity of the churn device. The mixing characteristics of the preparation machine and the movement of material were numerically simulated using EDEM simulation software, and the mixing effect of the preparation machine was verified. The three-factor and five-level CCD center combination orthogonal rotary test in the prototype was carried out with stirring speed of the churn, mixing time and filling coefficient as influencing factors, mixing uniformity, roughage particle size and ton material energy consumption as evaluation indexes. The test results showed that the contribution of each factor to the mixing uniformity in descending order was filling coefficient, stirring speed and mixing time, to the roughage particle size was stirring speed, mixing time and filling coefficient, and to the ton material energy consumption was filling coefficient, mixing time and stirring speed. The optimal working parameters for mixing performance by comprehensive optimization could be concluded as stirring speed of 48.59 r/min, mixing time of 14.98 min, and filling coefficient of 70%. In addition, the mixing uniformity, roughage particle size and ton material energy consumption were obtained as 91.11%, 72.13% and 2.99 kW·h/t. The relative error for all evaluation indexes between the experimental results with round parameter combination and the predicted value was verified to be less than 3%. It can be seen the double-helix TMR preparation mixer can meet the demand for efficient mixing of silage straw feed, which obviously provides data reference and technical support for the design and selection of operating parameters of TMR preparation machines.

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Power Consumption Analysis and Experimental Study on the Kneading and Cutting Process of Licorice Stem in Horizontal Total Mixed Ration Mixer

Cited by 3 publications

References 22 publications

Design and Testing of Segmented Spiral Total Mix Ration Mixer

Design and Testing of Segmented Spiral Total Mix Ration Mixer

Parameters and Operation Modes of the Cutting and Chopping Apparatus

Optimization design and experiment of double-helix total mixed rations preparation mixer for silage straw feed

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