Safe and high-efficiency grain air injection screening device
A screening device and a safe technology, applied in the agricultural field, can solve the problems of low efficiency, high manual output, high cost, etc., and achieve the effects of improving efficiency, increasing dust, and ensuring safety and health.
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[0019] The technical solution of this patent will be further described in detail below in conjunction with specific embodiments.
[0020] see Figure 1-5 , a safe and efficient air jet screening device for grain, comprising a feed pipe 1, a grid 2, a garbage discharge pipe 3, a screening box 4, a shaker plate 5, a vacuum cleaner 7, a drum 10, a scraper 11, a brush 12, a filter Plate 13, spray discharge 14, aeration device 16, discharge pipe 17, inclined guide plate 18, impurity discharge pipe 19 and rotating motor 24,
[0021] The top of the screening box 4 is provided with a feeding pipe 1, the inside of the feeding pipe 1 is inclined to be provided with a grid 2, the lowest end of the grid 2 is provided with a garbage discharge pipe 3, and the bottom of the screening box 4 is provided with a guide wheel, and the guide wheel There is a hand brake on the screen, and a shaker plate 5 is arranged in the screening box 4. One end of the shaker plate 5 is internally hinged with th...
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