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气吸式播种机能实现精量播种,并能播多种作物,因而受到欢迎。但气吸式播种机离不了风机,而风机既消耗动力,又发出刺耳的声音,影响机务人员的健康,许多机手早就想改革。今摘要介绍苏联1982年第4期“农业技术”刊登的文章,它用喷射器代替了风机。 -8气力播种机,由安装在拖拉机排气管上的喷射器4、直径为100毫米的增强了的橡胶导气管3、安装在播种机上的与喷射器相连的贮气室2等组成。排种部件1的导气管与贮气室相接(图1)。
Air-suction planters are popular because they offer precision sowing and can sow a variety of crops. However, the air suction seeder can not leave the fan, and the fan consumes both motivation and harsh sound, affecting the health of the crew. Many air handlers have long wanted reforms. This summary presents an article published in the Soviet Union No. 4, 1982, Agricultural Technology, which replaced the fan with an ejector. -8 Pneumatic seeder consisting of an ejector 4 mounted on the tractor exhaust pipe, an enhanced rubber air duct 3 having a diameter of 100 mm, a plenum 2 attached to the ejector and mounted on a seeder. The air delivery tube of the seeding unit 1 is connected to the air chamber (FIG. 1).