大豆联合收获机清选装置与关键技术研究进展
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摘要
清选装置是大豆联合收获机完成脱粒混合物清选分离的主要设备,其工作性能决定大豆机收的清选作业水平。目前,中国专用于大豆机收的清选装置较少,联合收获机主要采用筛子-气流式清选装置,但该类清选装置与大豆特性的匹配性较低,导致大豆机收清选损失率和含杂率较大。从清选装置与关键技术2个方面综述大豆联合收获机清选装置的研究现状,结合当今世界联合收获机清选装置的先进技术进行总结,分析现阶段中国大豆机收清选装置研究的不足之处,并展望大豆联合收获机清选装置的发展趋势。
Cleaning device is the main equipment of soybean combine harvester for cleaning and separating threshing mixture. Its performance determines the level of cleaning operation of soybean combine harvester. There are few cleaning devices specially used for mechanical harvest of soybean in China. At present, the combine harvester mainly adopts sieve-air cleaning device. This kind of cleaning device has a low matching with soybean characteristics, which leads to a high loss rate and impurity of soybean mechanical harvesting. In this paper, the research status of soybean combine harvester cleaning device was summarized from two aspects of cleaning device and key technologies, and the advanced technology of soybean combine harvester cleaning device in the world was summarized. The deficiencies of current research on soybean combine harvester cleaning device in China were analyzed, and the trend of future soybean combine harvester cleaning device was prospected.
Cleaning device is the main equipment of soybean combine harvester for cleaning and separating threshing mixture. Its performance determines the level of cleaning operation of soybean combine harvester. There are few cleaning devices specially used for mechanical harvest of soybean in China. At present, the combine harvester mainly adopts sieve-air cleaning device. This kind of cleaning device has a low matching with soybean characteristics, which leads to a high loss rate and impurity of soybean mechanical harvesting. In this paper, the research status of soybean combine harvester cleaning device was summarized from two aspects of cleaning device and key technologies, and the advanced technology of soybean combine harvester cleaning device in the world was summarized. The deficiencies of current research on soybean combine harvester cleaning device in China were analyzed, and the trend of future soybean combine harvester cleaning device was prospected.
引文
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