DESIGN AND PERFORMANCE TEST OF SPOILER BLADES OF THE DIRECT SEED-METERING DEVICE FOR RICE-Reference-Cited by-同舟云学术

DESIGN AND PERFORMANCE TEST OF SPOILER BLADES OF THE DIRECT SEED-METERING DEVICE FOR RICE

Published:2022-12-31 Issue: Volume: Page:60-70
ISSN:2068-2239
Container-title:INMATEH Agricultural Engineering
language:en
Short-container-title:INMATEH

Author:

WAN Lin¹,WANG Hongchao¹,CHE Gang¹,SUN Wensheng²,CHEN Zhengfa²

Affiliation:

1. College of Engineering, Heilongjiang Bayi Agricultural University, Daqing / China, Key Laboratory of Intelligent Agricultural Machinery Equipment in Heilongjiang Province, Daqing / China

2. College of Engineering, Heilongjiang Bayi Agricultural University, Daqing / China

Abstract

In order to improve air pressure utilization and working performance, the direct seed-metering device for rice was designed with spoiler blades embedded in the air cavity. The study was carried out using theoretical analysis and hydrodynamic methods to obtain the optimum structure of the spoiler blades. Taking the rotating speed of the air cavity, the negative pressure of the air cavity, and the filling height as the test factors, the multiple regression analysis and the response surface analysis were carried out to obtain the best working parameters of the seed-metering device with spoiler blades. The results showed that when the rotating speed of the air cavity was 23.56 r/min, the negative pressure of the air cavity was 4.97 kPa and the filling height was 12.82 cm, the qualified index was 95.21%, the missing index was 3.28% and the multiple index was 1.51%, which was the best seeding performance. Comparing the test with the seed-metering device without spoiler blades, the results showed that the installation of spoiler blades can improve the performance of the seed-metering device under the best working parameters. This study provide a reference for the design of direct seed-metering device for rice.

Publisher

INMA Bucharest-Romania

Subject

Industrial and Manufacturing Engineering,Mechanical Engineering,Food Science

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