Design and Test of Stripping and Impurity Removal Device for Spring-Tooth Residual Plastic Film Collector
Abstract
:1. Introduction
2. Materials and Methods
2.1. Structure and Working Principles
2.1.1. Machine Structure and Working Principle of the SRPFC
2.1.2. Machine Structure and Working Principle of the SIRD
2.2. Analysis of the Film-Stripping Process and Shape Design of the FTP
2.2.1. Stress Analysis of RPF during the Film-Stripping Process
2.2.2. Solution of FTP Line
2.3. Analysis of the Impurity Removal Process and Numerical Calculation of the DPM
2.3.1. Force and Motion Analysis of RPF in the Impurity Removal Area
2.3.2. Equivalent Simplified Model Building
2.3.3. Numerical Computation of DPM
2.4. Materials and Methods of Field Experiment
2.4.1. Test Conditions
2.4.2. Test Method
2.4.3. Experimental Design
3. Results and Discussion
3.1. Results
3.2. Discussion
- (1)
- Analysis of the effect of factor interaction on the RRRF
- (2)
- Analysis of the effect of factor interaction on IRF
3.3. Optimization of Operation Parameters and Test Verification
4. Conclusions
- (1)
- Through the force analysis of the RPF in the process of film-stripping, it is determined to use the FTP for film-stripping, and the corresponding arc calculation formula is obtained. The drawing method was used to obtain the external dimensions in accordance with the formula, and then the FTP was processed. According to the analysis results of the movement and force of the RPF in the airflow field, an equivalent simplified sphere model of the RPF is established. By using the DPM method in Fluent software to numerically simulate the motion of the equivalent simplified spherical model in the fluid domain, it is clear that the required air volume range of the centrifugal fan is 5501.88~6829.92 m3/h;
- (2)
- Combined with the design principle of the Box Behnken experiment, the RPF recovery performance of the SRPFC was tested. The experiment was carried out by the orthogonal rotation combination of multiple factors. Through response surface analysis, the factors that affected the RRRF were, in the order of large to small: forward speed, rotating speed of the FCCH, and rotating speed of the fan; the factors affecting the IRF, from large to small, were: speed of the fan, speed of film conveying chain rake, and forward speed;
- (3)
- The Design-Expert software was used to optimize the regression equation, and the best working parameters of the SRPFC were obtained as follows: forward speed of 5 km/h, rotating speed of the FCCH of 235 r/min, and rotating speed of the centrifugal fan of 1978 r/min. Field tests were carried out with the parameters after rounding, and it was shown that the average RRRF was 92.07% and the average IRF was 9.56% under these parameters. The test results of the whole machine are good, and all the operation indexes meet the requirements of Chinese national and industry standards.
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Level | Forward Speed X1/(km·h−1) | Rotating Speed of the FCCH X2/(r·min−1) | Rotating Speed of the Centrifugal Fan X3/(r·min−1) |
---|---|---|---|
−1 | 4 | 220 | 1800 |
0 | 5 | 240 | 1950 |
1 | 6 | 260 | 2100 |
Serials No. | Coding | Response Values | |||
---|---|---|---|---|---|
X1 | X2 | X3 | Y1 | Y2 | |
1 | 0 | −1 | 1 | 90.9 | 11.03 |
2 | 1 | −1 | 0 | 88.3 | 9.27 |
3 | −1 | 0 | 1 | 90.74 | 11.15 |
4 | 0 | 0 | 0 | 92.13 | 9.36 |
5 | −1 | 1 | 0 | 92.2 | 10.73 |
6 | 0 | 0 | 0 | 93.3 | 9.87 |
7 | −1 | −1 | 0 | 87.13 | 9.27 |
8 | 0 | 0 | 0 | 92.97 | 10.27 |
9 | −1 | 0 | −1 | 88.85 | 12.69 |
10 | 1 | 0 | −1 | 88.23 | 11.43 |
11 | 0 | 0 | 0 | 93.36 | 8.67 |
12 | 1 | 0 | 1 | 92.14 | 11.13 |
13 | 0 | 0 | 0 | 91.14 | 9.19 |
14 | 0 | 1 | 1 | 91.78 | 13.95 |
15 | 0 | −1 | −1 | 89.7 | 10.53 |
16 | 0 | 1 | −1 | 90.03 | 13.21 |
17 | 1 | 1 | 0 | 85.34 | 11.43 |
Source of Variance | Degree of Freedom | RRRF Y1 | Degree of Freedom | IRF Y2 | ||||
---|---|---|---|---|---|---|---|---|
Mean Square | F1-Value | p1-Value | Mean Square | F2-Value | p2-Value | |||
Model | 9 | 8.25 | 5.83 | 0.0149 * | 9 | 3.53 | 6.69 | 0.0101 * |
X1 | 1 | 3.01 | 2.13 | 0.1878 | 1 | 0.042 | 0.080 | 0.7860 |
X2 | 1 | 1.38 | 0.97 | 0.3566 | 1 | 10.63 | 20.12 | 0.0028 ** |
X3 | 1 | 9.57 | 6.76 | 0.0354 * | 1 | 0.045 | 0.085 | 0.7788 |
X1X2 | 1 | 16.12 | 11.39 | 0.0118 * | 1 | 0.12 | 0.23 | 0.6447 |
X1X3 | 1 | 1.02 | 0.72 | 0.4239 | 1 | 0.38 | 0.73 | 0.4218 |
X2X3 | 1 | 0.076 | 0.053 | 0.8238 | 1 | 0.014 | 0.027 | 0.8735 |
X12 | 1 | 25.79 | 18.23 | 0.0037 ** | 1 | 0.016 | 0.030 | 0.8670 |
X22 | 1 | 14.61 | 10.32 | 0.0148 * | 1 | 1.73 | 3.28 | 0.1130 |
X32 | 1 | 0.056 | 0.039 | 0.8484 | 1 | 17.98 | 34.05 | 0.0006 ** |
Residual | 7 | 1.41 | 7 | 0.53 | ||||
Lack of fit | 3 | 2.12 | 2.38 | 0.2104 | 3 | 0.72 | 1.89 | 0.2729 |
Pure error | 4 | 0.89 | 4 | 0.38 |
Items | RRRF Y1/% | IRF Y2/% |
---|---|---|
Predicted Value | 92.53 | 9.32 |
Test Value | 92.07 | 9.56 |
relative error | 0.5 | 2.6 |
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Peng, Q.; Li, K.; Wang, X.; Zhang, G.; Kang, J. Design and Test of Stripping and Impurity Removal Device for Spring-Tooth Residual Plastic Film Collector. Agriculture 2023, 13, 42. https://doi.org/10.3390/agriculture13010042
Peng Q, Li K, Wang X, Zhang G, Kang J. Design and Test of Stripping and Impurity Removal Device for Spring-Tooth Residual Plastic Film Collector. Agriculture. 2023; 13(1):42. https://doi.org/10.3390/agriculture13010042
Chicago/Turabian StylePeng, Qiangji, Kaikai Li, Xiaoyu Wang, Guohai Zhang, and Jianming Kang. 2023. "Design and Test of Stripping and Impurity Removal Device for Spring-Tooth Residual Plastic Film Collector" Agriculture 13, no. 1: 42. https://doi.org/10.3390/agriculture13010042
APA StylePeng, Q., Li, K., Wang, X., Zhang, G., & Kang, J. (2023). Design and Test of Stripping and Impurity Removal Device for Spring-Tooth Residual Plastic Film Collector. Agriculture, 13(1), 42. https://doi.org/10.3390/agriculture13010042