Optimization and Simulation of Fertilizer Guide Device Parameters Based on EDEM Software

Hai, Ding; An, Xiaofei; Wu, Guangwei; Li, Liwei; Zhu, Qinggaozi

doi:10.1007/978-3-030-06179-1_38

Cited by 2 publications

(4 citation statements)

References 4 publications

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“…When the force between small particles is greater than the maximum normal contact stress or the maximum tangential contact stress of the bonding contact model, the bonding bond breaks, and the small particles no longer bond, which also means that the wheat particles are broken (Y. B. Cai et al, 2014; Ding et al, 2019; Meguro, 1993; Shi et al, 2019). And the calculation is shown in Equation 7.

\{\begin{matrix} center \\ left δ F_{n} = - v_{n} S_{n} A δ_{t}; \\ left δ F_{t} = - v_{t} S_{t} A δ_{t}; \\ left δ T_{n} = - w_{n} S_{n} J δ_{t}; \\ left δ T_{t} = - w_{n} S_{n} J δ_{t} \end{matrix}

…”

Section: Methodsmentioning

confidence: 99%

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Research on wheat flour‐making technology based on discrete elements

Wang,

Wu,

Jia

2023

J Food Process Engineering

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The operating characteristics of a mill's rolling distance and roller speed during wheat‐milling were studied to provide a reference for optimizing the operating parameters of the mill. The high‐performance discrete element method software (EDEM) was used to establish a roller‐crushing system for wheat flour production. Numerical simulations of wheat flour production were performed using this system. It was found that increasing the roller distance of the flour mill machine could reduce the wear of the grinding rolls and the power of the grinding roll system, which reduced the crushing rate of wheat during the milling process. Increasing the grinding roll speed can reduce the wear of the grinding rolls but will increase the wheat‐crushing rate. At a constant fast roller speed, increasing the speed ratio increased the wheat‐crushing rate which reduced the power of the grinding roller system. During the grinding roll wear process, the obtuse and sharp angles gradually disappear. A comparison of the simulation and experimental results shows that the discrete element method can accurately predict the wear of the grinding roll.Practical ApplicationsThe milling machine is a key piece of equipment used for making wheat flour. The rolling distance, speed, and speed ratio of grinding rolls are important operating parameters during mill operation. Selecting specific parameters will directly affect the quality of wheat‐milling and the economic efficiency of the milling enterprise. This study adopted a discrete element method to study the effects of these parameters on wheat milling, providing a good reference for the technical personnel of milling enterprises.

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\{\begin{matrix} center \\ left δ F_{n} = - v_{n} S_{n} A δ_{t}; \\ left δ F_{t} = - v_{t} S_{t} A δ_{t}; \\ left δ T_{n} = - w_{n} S_{n} J δ_{t}; \\ left δ T_{t} = - w_{n} S_{n} J δ_{t} \end{matrix}

…”

Section: Methodsmentioning

confidence: 99%

“…B. Cai et al, 2014;Ding et al, 2019;Meguro, 1993;Shi et al, 2019). And the calculation is shown in Equation 7.…”

Section: Mechanical Contact Modelmentioning

confidence: 99%

Research on wheat flour‐making technology based on discrete elements

Wang,

Wu,

Jia

2023

J Food Process Engineering

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“…It is generally believed that under ideal conditions, fertilizer does not move in a circle with the fertilizer screw, but only moves horizontally in the axial direction. Then the FAPL can be calculated by Equation (2) [21]:…”

Section: Fertilizer Amount Per Lap (Fapl)mentioning

confidence: 99%

“…In recent years, researchers have continued to innovate and optimize the structure of fertilizer distributor to improve their fertilization performance [15][16][17][18]. For example, to improve the stability and uniformity of fertilizer distributor, researchers optimized the structure of groove wheel [19], fertilizer tongue [20], and fertilizer guide devices [21]. Nevertheless, this type of distributor was only suitable for granular fertilizers with good fluidity and dryness, so its application has strong limitations.…”

Section: Introductionmentioning

confidence: 99%

Structural Optimization and Performance Evaluation of Blocking Wheel-Type Screw Fertilizer Distributor

et al. 2021

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In order to solve the problem where the amount of screw fertilizer distributor can only be adjusted by rotating speed and poor fertilization uniformity at low rotational speeds, a blocking wheel-type screw fertilizer distributor was designed. Single factor and L9(34) orthogonal simulation tests based on EDEM software were carried out to optimize the distributor variables at a speed of 20 r/min. The bench verification test was built under the same conditions as the simulation tests to verify the results of the simulation. Finally, the bench performance tests were carried out to evaluate distributor performance. The results of simulation tests revealed that the minimum coefficient of variation of fertilization uniformity (CVFU) was 19.27%, with the structural parameter combination of the inner diameter (17 mm), pitch (45 mm), outlet distance (40 mm), and number of screw heads (1). The verification test results showed that the changing trend and values of the CVFU were almost the same as the simulation tests. The results of the performance test revealed that when the opening width of the blocking wheel was 10–30 mm and the rotation speed was 20–60 r/min, the amount of fertilizer per lap (FAPL) was in the range of 27.74–38.15 g/r; the maximum CVFU and the coefficient of variation of fertilization stability (CVFS) were 29.43% and 2.18%, respectively, which met the requirements of the industry standard. This research provides a good reference for optimizing the screw fertilizer distribution and for researchers in the field of precision fertilization.

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Optimization and Simulation of Fertilizer Guide Device Parameters Based on EDEM Software

Cited by 2 publications

References 4 publications

Research on wheat flour‐making technology based on discrete elements

Research on wheat flour‐making technology based on discrete elements

Structural Optimization and Performance Evaluation of Blocking Wheel-Type Screw Fertilizer Distributor

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