Air-water direct spraying device

Abstract

The present invention discloses a gas and water direct injection type flow hitting device which comprises an outer tube and a center tube. The outer tube is connected to a compressed air storage tank. The center tube is connected to a water tank. The outer tube and the center tube are a jacket structure. The front end of the center tube is a liquid nozzle. The liquid in the center tube enters into a Rafael curved surface expansion chamber from back to front. The cone part of the center tube is coaxially embedded into the outer tube in a non-full-contact way. The outer tube inner flow guide cross section has a change process of reduction and then amplification, compressed air flows forward in the cone-shaped throttle channel between the outer tube and the center tube to enter into the Rafael curved surface expansion chamber, a Rafael effect allows a gas and water mixture to be delivered to an injection tube in front of the liquid nozzle, and finally the mixture is injected from the nozzle in front of the injection tube in a high speed. The device has the advantage of simple, reliable and crafty structure and low cost, compressed air potential energy is most effectively transformed into jet flying force, the mixture of gas and liquid is very unit, and the flower hitting operation with high efficiency and high quality is realized.

Description

technical field

[0001] The invention relates to a pattern-making device, in particular to an air-water direct-injection pattern-making device utilizing the working principle of a Lafal nozzle. Background technique

[0002] Flower beating is an operation method often used in agriculture, forestry and gardening. Flower beating can remove redundant flowers that are not firmly connected on plants. It is mostly used for thinning flowers of plants with more flowers.

[0003] At this stage, flower thinning is mostly manual operation, that is, manual removal of redundant flowers, but manual operation is not only labor-intensive and time-consuming, but also high cost. Therefore, we try to flexibly apply the working principle of the Lafal It is beneficial to improve the working principle of the bullet exit speed to optimize the design of the air-water direct spraying crop flowering device, so as to realize the high-speed spraying and flowering after the uniform mixing of air and water...

Examples

Embodiment Construction

[0019] Now in conjunction with accompanying drawing, the present invention is described in further detail.

[0020] Such as figure 1 The shown air-water direct injection patterning device includes an outer pipe 6 and a central pipe 7, the outer pipe 6 is connected to a compressed air storage tank 8, the compressed air storage tank 8 provides pressure gas to enter the outer pipe 6, and the central pipe 7 is connected to a water tank 14, The water tank 14 provides water or medicine to enter the center pipe 7; the outer pipe 6 and the center pipe 7 are jacketed structures, the front end of the center pipe is a liquid nozzle 3, and the liquid in the center pipe 7 enters the Rafal curved surface expansion chamber 4 from the back to the front; The taper part of the central tube 7 is not fully contacted and coaxially embedded in the outer tube 6. The inner diversion section of the outer tube 6 has a change process of shrinking and then enlarging. The flow enters the Rafal surface ex...

technical field

[0001] The invention relates to a pattern-making device, in particular to an air-water direct-injection pattern-making device utilizing the working principle of a Lafal nozzle. Background technique

[0002] Flower beating is an operation method often used in agriculture, forestry and gardening. Flower beating can remove redundant flowers that are not firmly connected on plants. It is mostly used for thinning flowers of plants with more flowers.

[0003] At this stage, flower thinning is mostly manual operation, that is, manual removal of redundant flowers, but manual operation is not only labor-intensive and time-consuming, but also high cost. Therefore, we try to flexibly apply the working principle of the Lafal It is beneficial to improve the working principle of the bullet exit speed to optimize the design of the air-water direct spraying crop flowering device, so as to realize the high-speed spraying and flowering after the uniform mixing of air and water...

Examples

Embodiment Construction

[0019] Now in conjunction with accompanying drawing, the present invention is described in further detail.

[0020] Such as figure 1 The shown air-water direct injection patterning device includes an outer pipe 6 and a central pipe 7, the outer pipe 6 is connected to a compressed air storage tank 8, the compressed air storage tank 8 provides pressure gas to enter the outer pipe 6, and the central pipe 7 is connected to a water tank 14, The water tank 14 provides water or medicine to enter the center pipe 7; the outer pipe 6 and the center pipe 7 are jacketed structures, the front end of the center pipe is a liquid nozzle 3, and the liquid in the center pipe 7 enters the Rafal curved surface expansion chamber 4 from the back to the front; The taper part of the central tube 7 is not fully contacted and coaxially embedded in the outer tube 6. The inner diversion section of the outer tube 6 has a change process of shrinking and then enlarging. The flow enters the Rafal surface ex...

Images