Spraying device capable of recovering pesticide and control method thereof

Abstract

The invention discloses a spraying device capable of recovering pesticide. The spraying device comprises a pesticide storage tank, a pesticide spraying channel, a recovery loop, a safety loop, a sprayrod and multiple collecting discs, wherein an inlet of the pesticide spraying channel is communicated with the pesticide storage tank, and an outlet of the pesticide spraying channel is communicatedwith one end of the spray rod; an inlet of the recovery loop is communicated with the collecting discs, and an outlet of the recovery loop is communicated with the pesticide storage tank; an inlet ofthe safety loop is communicated with the pesticide storage tank, and an outlet of the safety loop is communicated with the outlet of the pesticide spraying channel; multiple nozzles are uniformly arranged at the other end of the spray rod and used for spraying pesticide; the multiple collecting discs are arranged below the nozzles in the axial direction and used for recovering the pesticide. The spraying device capable of recovering the pesticide is capable of recovering large drops of pesticide flowing down from the centers of the sprinkler nozzles and uniformly spraying the pesticide and high in use ratio. The invention further discloses a control method of the spraying device capable of recovering the pesticide. According to the plant area to be sprayed and the distance from the nozzlesto the ground, the rotating speed of a first pressure pump can be controlled to spray the pesticide, the pesticide can be fully and uniformly sprayed to plants, the spray efficiency is high, and thepesticide use ratio is large.

Description

technical field [0001] The invention relates to the field of agricultural machinery, and more specifically, the invention relates to a recyclable pesticide spraying device and a control method thereof. Background technique [0002] At present, in the field of agriculture, spraying pesticides is an important means of killing insects on crops, but crops have limited tolerance to the amount of pesticides, too little dosage cannot effectively eliminate pests on crops, and excessive dosage will cause crops to be killed. Therefore, a spraying device with a spraying shower is usually used for spraying, which sprays umbrella-shaped droplets so that it can be evenly sprayed on the crops. At the same time, a part of the pesticide will continue to flow down from the center of the circle in the form of large droplets, resulting in an excessive amount of pesticide in some farmland and crops, which will not only endanger the farmland and crops, but also cause a waste of pesticides, result...

AI Technical Summary

Problems solved by technology

[0002] At present, in the field of agriculture, spraying pesticides is an important means of killing insects on crops, but crops have limited tolerance to the amount of pesticides, too little dosage cannot effectively eliminate pests on crops, and excessive dosage will cause crops to be killed

Therefore, a spraying device with a spraying shower is usually used for spraying, which sprays umbrella-shaped droplets so that it can be evenly sprayed on the crops. At the same time, a part of the pesticide will continue to flow down from the center of the circle in the form of large droplets, resulting in an excessive amount of pesticide in some farmland and crops, which will not only endanger the farmland and crops, but also cause a waste of pesticides, resulting in uneven spraying of pesticides. Low spraying efficiency and serious waste of pesticide resources; another problem is that pesticides cannot be sprayed effectively according to the vegetation area during the spraying process, resulting in part of the vegetation not being sprayed with pesticides, or spraying beyond the vegetation area resulting in waste of pesticides

Images