US 12,336,449 B2
Pneumatic serial device for applying materials to deep soil layer and method therefor
Fucheng Wu, Sichuan (CN); Xiaoming Liu, Sichuan (CN); and Jialin Li, Sichuan (CN)
Assigned to CHENGDU TOBEST DIYUAN TECHNOLOGY CO., LTD., Sichuan (CN)
Appl. No. 17/634,943
Filed by CHENGDU TOBEST DIYUAN TECHNOLOGY CO., LTD., Sichuan (CN)
PCT Filed Jul. 13, 2020, PCT No. PCT/CN2020/101705
§ 371(c)(1), (2) Date Feb. 11, 2022,
PCT Pub. No. WO2021/027463, PCT Pub. Date Feb. 18, 2021.
Claims priority of application No. 201910742600.8 (CN), filed on Aug. 13, 2019.
Prior Publication US 2022/0295693 A1, Sep. 22, 2022
Int. Cl. E02D 3/12 (2006.01); A01C 15/02 (2006.01); A01C 23/02 (2006.01); A01C 23/04 (2006.01); B05B 7/00 (2006.01); B05B 7/04 (2006.01); A01B 77/00 (2006.01); A01G 29/00 (2006.01)
CPC A01C 23/04 (2013.01) [A01C 15/02 (2013.01); A01C 23/026 (2013.01); B05B 7/0075 (2013.01); B05B 7/0416 (2013.01); E02D 3/12 (2013.01); A01B 77/00 (2013.01); A01G 29/00 (2013.01)] 7 Claims
OG exemplary drawing
 
1. A pneumatic serial device for applying materials into a deep soil layer, wherein the device comprises a material spraying injector (1), an air blasting system (2) connected with the material spraying injector (1), and a material feeding system (3), wherein the air blasting system (2) and the material feeding system (3) are connected with the material spraying injector (1) in series in sequence,
wherein the interior of the material spraying injector (1) is hollow; the air blasting system (2) comprises a high-pressure air tank (2-1) and a quick relieve valve (2-2), the high-pressure air tank (2-1) is fixedly connected with the quick relieve valve (2-2); the quick relieve valve (2-2) is connected with the material spraying injector (1); the material feeding system (3) comprises a material chamber (3-1), a feeding valve (3-2), a valve I (3-3), a material sending chamber (3-4), a valve II (3-5) and a material delivery pipe (3-6) which are connected to each other in sequence; and the material delivery pipe (3-6) extends into the high-pressure air tank (2-1) and is communicated with the bottom thereof.