Spraying device for nursery garden planting field

Abstract

The invention discloses a spraying device for a nursery garden planting field. The spraying device comprises a tank body, a water pump, an outer pipe, an inner pipe, a supporting column and a branch pipe. A tank cover is arranged on the top of the tank body. The bottom of the tank body is the same as the outer pipe and the inner pipe. An outer pipe electromagnetic valve is arranged inside the outer pipe. An inner pipe electromagnetic valve is arranged inside the inner pipe. The inner pipe is arranged inside the outer pipe. The portion over the outer pipe and the portion over the inner pipe are of a right-angled structure. An outer pipe medicine outlet is formed in the middle of each right-angled structure. An inner pipe medicine outlet is formed in the top of each right-angled structure. The branch pipe is arranged in the horizontal direction of the outer pipe. The right-angled structure is arranged at one end of the branch pipe. According to the spraying device, the inner pipe and the outer pipe are arranged and do not affect each other, underwater and overwater spraying can be effectively achieved, damage of pesticide to plants is lowered, and the survival rate is increased; meanwhile, two pesticide irrigation devices are combined into a whole, the structure is simple, the arrangement is reasonable, the manufacturing cost is low, and the spraying device has the obvious effect on large and middle planting fields.

Description

technical field [0001] The invention relates to the technical field of nurseries, in particular to a spraying device for planting fields in nurseries. Background technique [0002] In recent years, landscaping, as an important part of urban environment construction, has had new developments and opportunities, and has also driven the production and development of seedlings. With the progress of society, people have higher and higher requirements for living environment , the demand for greening seedlings is also increasing. In order to obtain better seedling species, people will place multiple groups of plants in the planting field for planting observation. [0003] During the planting period, due to various reasons, the plants in the planting field cannot avoid getting sick. However, the chemicals have a great impact on the growth of the plants. Some chemicals can be sprayed to the upper part of the plants, but they are fatal to the roots of the plants. Some The medicine can...

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Problems solved by technology

[0003] During the planting period, due to various reasons, the plants in the planting field cannot avoid getting sick. However, the chemicals have a great impact on the growth of the plants. Some chemicals can be sprayed to the upper part of the plants, but they are fatal to the roots of the plants. Some The medicine can effectively kill the pests in the water or soil to protect the plant production, but it is

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