A pneumatic uniform fertilizer discharge device
A fertilizer discharge device and a pneumatic technology, applied in the field of agricultural engineering, can solve the problems of complex structure, high cost, poor uniformity of fertilizer discharge, etc., and achieve the effects of simple measurement and control system, convenient control and simple structure
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[0028] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but the protection scope of the present invention is not limited thereto.
[0029] Such as figure 1 As shown, the pneumatic uniform fertilizer discharge device of the present invention includes an upper fertilizer box 1, a lower fertilizer box 8 and a measurement and control system. The upper fertilizer box 1 is internally provided with a fertilizer discharge shaft 2 that runs through the upper fertilizer box 1. The two ends of the shaft 2 pass through the side wall of the upper fertilizer box 1;
[0030] Such as figure 2 As shown, several fertilizer outlets 13 are set on the bottom surface of the lower fertilizer box 8, and the first tiled air inlet 14 and the second tiled air inlet 15 are arranged at both ends; the first tiled air inlet 14, The second flat air inlet 15 is connected to the air compressor 17 through the first solenoid valve 20...
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