CN113499871A - Self-oscillation atomization nozzle for agricultural irrigation - Google Patents
Self-oscillation atomization nozzle for agricultural irrigation Download PDFInfo
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- CN113499871A CN113499871A CN202110856891.0A CN202110856891A CN113499871A CN 113499871 A CN113499871 A CN 113499871A CN 202110856891 A CN202110856891 A CN 202110856891A CN 113499871 A CN113499871 A CN 113499871A
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- 238000003973 irrigation Methods 0.000 title claims abstract description 38
- 230000002262 irrigation Effects 0.000 title claims abstract description 38
- 238000000889 atomisation Methods 0.000 title claims description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 46
- 238000005507 spraying Methods 0.000 claims abstract description 9
- 230000010355 oscillation Effects 0.000 claims description 20
- 210000005239 tubule Anatomy 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 15
- 238000000034 method Methods 0.000 description 9
- 239000007921 spray Substances 0.000 description 8
- 238000004088 simulation Methods 0.000 description 4
- 238000012271 agricultural production Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 2
- 239000003621 irrigation water Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000010349 pulsation Effects 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/02—Spray pistols; Apparatus for discharge
- B05B7/04—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
- B05B7/0416—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G25/00—Watering gardens, fields, sports grounds or the like
- A01G25/02—Watering arrangements located above the soil which make use of perforated pipe-lines or pipe-lines with dispensing fittings, e.g. for drip irrigation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/02—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape
- B05B1/08—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape of pulsating nature, e.g. delivering liquid in successive separate quantities ; Fluidic oscillators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/34—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl
- B05B1/3405—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl
- B05B1/341—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/02—Spray pistols; Apparatus for discharge
- B05B7/04—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
- B05B7/0416—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid
- B05B7/0483—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid with gas and liquid jets intersecting in the mixing chamber
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Environmental Sciences (AREA)
- Nozzles (AREA)
Abstract
The invention discloses a self-oscillation atomizing nozzle for agricultural irrigation, which relates to the technical field of agricultural irrigation and comprises a first nozzle, a second nozzle, an atomizing nozzle and a water nozzle which are sequentially arranged from bottom to top, wherein a connecting cavity, a conical cavity, a first thin tube cavity and a mounting groove are sequentially arranged in the first nozzle from bottom to top, the second nozzle is arranged in the mounting groove, form the vibration chamber between the bottom surface of second nozzle and the first nozzle, atomizing nozzle includes by supreme first pipe that connects gradually down, conical duct and second pipe, first pipe cover is established and is installed in the outside upper end of second nozzle, the upper portion of first pipe lateral wall is provided with the atomizing hole, form the atomizing chamber between the top surface of first pipe and second nozzle, the water spout includes the third pipe and sets up in the roof at third pipe top, the third pipe is overlapped and is established and install in the outside at second pipe, the upper portion of third pipe lateral wall is provided with a plurality of hole for water spraying along circumference. This shower nozzle has improved the atomizing effect, and effective water economy uses water, has promoted irrigation efficiency.
Description
Technical Field
The invention relates to the technical field of agricultural irrigation, in particular to a self-oscillation atomization nozzle for agricultural irrigation.
Background
Agricultural irrigation mainly refers to irrigation operation performed on agricultural cultivation areas. Agricultural irrigation methods can be generally divided into traditional ground irrigation, general sprinkler irrigation and micro irrigation. Under advocating the big background of saving type production, traditional ground irrigation technique will progressively withdraw from agricultural production's ranks, and the sprinkling irrigation utilizes professional equipment such as shower nozzle to spray the water after the pressurization aerial, forms the irrigation mode that water drippage fell ground and crop surface, however current shower nozzle exists the water consumption many, the atomization effect is poor and irrigation efficiency hangs down the problem.
Disclosure of Invention
In order to solve the technical problems, the invention provides the self-oscillation atomizing nozzle for agricultural irrigation, which improves the atomizing effect, effectively saves water consumption and improves the irrigation efficiency.
In order to achieve the purpose, the invention provides the following scheme:
the invention provides a self-oscillation atomizing nozzle for agricultural irrigation, which comprises a first nozzle, a second nozzle, an atomizing nozzle and a water nozzle which are sequentially arranged from bottom to top, wherein a connecting cavity, a conical cavity, a first thin tube cavity and a mounting groove are sequentially arranged in the first nozzle from bottom to top, the second nozzle is mounted in the mounting groove, an oscillation cavity is formed between the bottom surface of the second nozzle and the first nozzle, a second thin tube cavity is arranged in the second nozzle, the two ends of the oscillation cavity are respectively communicated with the first thin tube cavity and the second thin tube cavity, the atomizing nozzle comprises a first circular tube, a conical tube and a second circular tube which are sequentially connected from bottom to top, the inner diameter of the first circular tube is larger than that of the second circular tube, a first sleeved circular tube is mounted at the upper end outside the second nozzle, and an atomizing hole is formed in the upper part of the side wall of the first circular tube, the atomizing hole is used for letting in gas, first pipe with form the atomizing chamber between the top surface of second nozzle, the upper end of second tubule chamber with atomizing chamber intercommunication, the water spout include the third pipe and set up in the roof at third pipe top, the third pipe cover establish install in the outside of second pipe, the upper portion of third pipe lateral wall is provided with a plurality of hole for water spraying along circumference.
Preferably, the lower surface of the top plate is an inverted conical surface.
Preferably, the water spray holes are fan-shaped holes, and the fan-shaped holes extend along the circumferential direction of the third circular pipe.
Preferably, the fan-shaped holes are three, the three fan-shaped holes are respectively a first fan-shaped hole, a second fan-shaped hole and a third fan-shaped hole, an included angle between a midpoint of the first fan-shaped hole and a horizontal connecting line of a central axis of the third round pipe and a midpoint of the second fan-shaped hole and a horizontal connecting line of a central axis of the third round pipe is 90 degrees, and an included angle between a midpoint of the third fan-shaped hole and a horizontal connecting line of a central axis of the third round pipe and a midpoint of the second fan-shaped hole and a horizontal connecting line of a central axis of the third round pipe is 90 degrees.
Preferably, the mounting groove includes first circular slot and the second circular slot that sets gradually by lower supreme, the internal diameter of second circular slot is greater than the internal diameter of first circular slot, second nozzle threaded mounting in the second circular slot, just the lower extreme of second nozzle extends to in the first circular slot.
Preferably, the second nozzle includes first cylinder, second cylinder, third cylinder and fourth cylinder that connects gradually from bottom to top, the second cylinder the first cylinder the third cylinder with the external diameter of fourth cylinder reduces in proper order, second cylinder screw thread install in the second circular slot, first cylinder with first circular slot structure phase-match, first pipe thread bush is located on the fourth cylinder.
Preferably, the third round pipe is sleeved outside the second round pipe in a threaded manner.
Preferably, the atomization hole is a threaded hole, and the threaded hole is used for being connected with an air supply pipe through an external thread valve seat.
Preferably, the first thin lumen has an inner diameter d1The inner diameter of the second thin tube cavity is d2The inner diameter of the second round tube is d3，
λ≤1。
Compared with the prior art, the invention has the following technical effects:
the invention provides a self-oscillation atomizing nozzle for agricultural irrigation, which comprises a first nozzle, a second nozzle, an atomizing nozzle and a water nozzle which are sequentially arranged from bottom to top, wherein irrigation water flow is injected into an oscillation cavity through the first nozzle, water flow forms a discrete vortex ring in the first nozzle, a vortex disturbance-amplification-vortex pulsation generation circulation process is formed by collision between a conical cavity and the oscillation cavity, the process is continuously and circularly repeated, strong self-oscillation pulse jet flow is formed, cavitation is induced, and then the atomizing effect is effectively improved. Then enters an atomizing nozzle with an atomizing hole, the atomizing hole is used for introducing gas, and the gas is fully combined with the self-oscillation pulse jet flow from the second nozzle to achieve the atomizing effect. Finally, the water is sprayed to the agricultural land through a plurality of water spraying holes of the water spraying nozzle. Compared with continuous jet flow, the pulse jet flow has the characteristics of low energy consumption, good atomization and the like, the first nozzle capable of generating the pulse jet flow and the atomizing nozzle are combined into an efficient sprinkling irrigation system, the generated pulse gas-liquid jet flow can further improve the atomization effect, the long range enables the spraying area to be large, the water consumption is effectively saved, the water resource protection can be better realized, the irrigation efficiency is improved, and the agricultural production is efficiently promoted.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a cross-sectional view of a self-oscillating atomizer head for agricultural irrigation according to the present invention;
FIG. 2 is a cross-sectional view of a first nozzle of the self-oscillating atomizer for agricultural irrigation according to the present invention;
FIG. 3 is a cross-sectional view of a second nozzle of the self-oscillating atomizer head for agricultural irrigation according to the present invention;
FIG. 4 is a cross-sectional view of an atomizing nozzle in the self-oscillating atomizer for agricultural irrigation according to the present invention;
FIG. 5 is a sectional view of a water nozzle of the self-oscillating atomizer for agricultural irrigation according to the present invention.
Description of reference numerals: 100. the self-oscillation atomization nozzle is used for agricultural irrigation; 1. a first nozzle; 2. a second nozzle; 201. a first cylinder; 202. a second cylinder; 203. a third cylinder; 204. a fourth cylinder; 3. an atomizing nozzle; 301. a first circular tube; 302. a tapered tube; 303. a second circular tube; 304. an atomization orifice; 4. a water spray nozzle; 401. a third circular tube; 402. a top plate; 403. a water spray hole; 5. a connecting cavity; 6. a tapered cavity; 7. a first thin lumen; 8. a first circular groove; 9. a second circular groove; 10. an oscillation cavity; 11. a second thin lumen; 12. an atomizing chamber.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide a self-oscillation atomizing nozzle for agricultural irrigation, which improves the atomizing effect, effectively saves water consumption and improves the irrigation efficiency.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
As shown in fig. 1 to 5, the embodiment provides a self-oscillation atomizer 100 for agricultural irrigation, which comprises a first nozzle 1, a second nozzle 2, an atomizing nozzle 3 and a water nozzle 4, which are sequentially arranged from bottom to top, wherein the first nozzle 1 is sequentially provided with a connecting cavity 5, a tapered cavity 6, a first thin tube cavity 7 and a mounting groove from bottom to top, the second nozzle 2 is mounted in the mounting groove, an oscillation cavity 10 is formed between the bottom surface of the second nozzle 2 and the first nozzle 1, the second nozzle 2 is provided with a second thin tube cavity 11, two ends of the oscillation cavity 10 are respectively communicated with the first thin tube cavity 7 and the second thin tube cavity 11, the atomizing nozzle 3 comprises a first circular tube 301, a tapered tube 302 and a second circular tube 303 which are sequentially connected from bottom to top, the inner diameter of the first circular tube 301 is larger than the inner diameter of the second circular tube 303, the first circular tube 301 is sleeved on the upper end outside the second nozzle 2, the upper portion of the side wall of the first circular tube 301 is provided with an atomizing hole 304, the atomization hole 304 is used for introducing gas, an atomization cavity 12 is formed between the top surfaces of the first round pipe 301 and the second nozzle 2, the upper end of the second thin pipe cavity 11 is communicated with the atomization cavity 12, the water spray nozzle 4 comprises a third round pipe 401 and a top plate 402 arranged at the top of the third round pipe 401, the third round pipe 401 is sleeved on the outside of the second round pipe 303, and a plurality of water spray holes 403 are formed in the upper part of the side wall of the third round pipe 401 along the circumferential direction. During the working process, the continuous jet flow entering the first nozzle 1 is emitted into the oscillation cavity 10, the pulse jet flow generated under the resonance action of the oscillation cavity 10 is emitted into the atomization cavity 12 through the second thin tube cavity 11 of the second nozzle 2, and similarly, the pulse jet flow is emitted out through the atomization nozzle 3 under the resonance action of the atomization cavity 12, enters the third circular tube 401 and is then sprayed out through the water spraying holes 403.
In this embodiment, the connection cavity 5 is a circular groove formed at the bottom of the first nozzle 1, the inner diameter of the connection cavity 5 is larger than the inner diameter of the bottom end of the tapered cavity 6, the inner diameter of the top end of the tapered cavity 6 is equal to the inner diameter of the first thin tube cavity 7, the inner diameters of the first thin tube cavity 7 and the second thin tube cavity 11 are both smaller than the inner diameter of the oscillation cavity 10, and the inner diameter of the second thin tube cavity 11 is smaller than the inner diameter of the atomization cavity 12.
In this embodiment, the lower surface of the top plate 402 is an inverted conical surface, which can disperse and accelerate the water flow toward the inverted conical surface.
Specifically, the water spray holes 403 are fan-shaped holes, and the fan-shaped holes extend along the circumferential direction of the third circular pipe 401.
In this embodiment, three fan-shaped holes are provided, the three fan-shaped holes are respectively a first fan-shaped hole, a second fan-shaped hole and a third fan-shaped hole, an included angle between a horizontal connection line between a midpoint of the first fan-shaped hole and a central axis of the third circular tube 401 and a horizontal connection line between a midpoint of the second fan-shaped hole and a central axis of the third circular tube 401 is 90 °, and an included angle between a horizontal connection line between a midpoint of the third fan-shaped hole and a central axis of the third circular tube 401 and a horizontal connection line between a midpoint of the second fan-shaped hole and a central axis of the third circular tube 401 is 90 °.
As shown in fig. 2, the mounting groove includes a first circular groove 8 and a second circular groove 9 which are sequentially arranged from bottom to top, the inner diameter of the second circular groove 9 is larger than the inner diameter of the first circular groove 8, the second nozzle 2 is installed in the second circular groove 9 in a threaded manner, and the lower end of the second nozzle 2 extends into the first circular groove 8, so that the threaded connection between the second nozzle 2 and the first nozzle 1 is realized.
As shown in fig. 3, the second nozzle 2 includes a first cylinder 201, a second cylinder 202, a third cylinder 203 and a fourth cylinder 204 which are connected in sequence from bottom to top, the outer diameters of the second cylinder 202, the first cylinder 201, the third cylinder 203 and the fourth cylinder 204 are reduced in sequence, the second cylinder 202 is installed in the second circular groove 9 in a threaded manner, the first cylinder 201 is matched with the first circular groove 8 in structure, and the first circular pipe 301 is sleeved on the fourth cylinder 204 in a threaded manner, so that the threaded connection between the atomizing nozzle 3 and the second nozzle 2 is realized.
Specifically, the third pipe 401 is threadedly sleeved on the outside of the second pipe 303, so as to realize the threaded connection between the water nozzle 4 and the atomizing nozzle 3.
It can be seen that, in this embodiment, the first nozzle 1, the second nozzle 2, the atomizing nozzle 3 and the water nozzle 4 are sequentially in threaded connection from bottom to top, and mechanical looseness prevention is adopted at the threaded connection, so that detachable connection is formed among the first nozzle 1, the second nozzle 2, the atomizing nozzle 3 and the water nozzle 4, and replacement of accessories is facilitated.
In this embodiment, the first cylinder 201, the second cylinder 202, the third cylinder 203 and the fourth cylinder 204 are an integrated structure, the first circular tube 301, the tapered tube 302 and the second circular tube 303 are an integrated structure, and the third circular tube 401 and the top plate 402 are an integrated structure.
Specifically, the atomization holes 304 are threaded holes for connecting an air feed pipe through an externally threaded valve seat. During use, one end of the external thread valve seat is installed on the threaded hole, the other end of the external thread valve seat is connected with the air supply pipe, and gas is conveyed into the atomizing chamber 12 through the air supply pipe, the external thread valve seat and the atomizing hole 304.
In particular, the first thin lumen 7 has an internal diameter d1The inner diameter of the second thin lumen 11 is d2The second round tube 303 has an inner diameter d3，
Wherein λ is a coefficient, the optimum working condition of the whole nozzle is determined by λ, the λ coefficient is a proportional value obtained according to the result of numerical simulation, and in the present embodiment, λ is less than or equal to 1.
Specifically, the taper angle of the tapered cavity 6 is α and the taper angle of the tapered tube 302 is β. The dimension of the oscillation chamber 10 in the vertical direction is the length thereof, and the length of the oscillation chamber 10 is L1The inner diameter of the oscillation chamber 10 is D1. The dimension of the atomizing chamber 12 in the vertical direction is the length thereof, and the length of the atomizing chamber 12 is L2. The taper angle of the reverse tapered surface of the spout 4 is γ, the dimension of the spout hole 403 in the vertical direction is the width thereof, and the width of the spout hole 403 is L.
In the present embodiment, the taper angle α of the tapered chamber 6 and the length L of the oscillation chamber 10 in the first nozzle 11And the length-diameter ratio L of the oscillation chamber 101/D1The three parameters determine whether the self-oscillation effect of the first nozzle 1 can be optimal, and the optimal values of the three parameters are obtained in a numerical simulation mode, so that the self-oscillation effect of the first nozzle 1 can be optimal.
In this embodiment, the length L of the nebulizing chamber 122The atomization effect of the atomizing nozzle 3 is determined, the cone angle beta of the conical pipe 302 in the atomizing nozzle 3 determines the accommodation effect of the finally formed atomized jet, and the L is obtained by performing numerical simulation according to the specific structure of the atomizing nozzle 32And an optimum value for β.
In this embodiment, the width L of the water spraying hole 403, the taper angle γ of the inverted conical surface, and the opening area of the water spraying hole 403 determine the surrounding area ratio of the final amount of water for sprinkling irrigation to cover the agricultural land, and the optimal values of the above three parameters are obtained by numerical simulation, so as to maximize the sprinkling irrigation area.
The specific working process is as follows: irrigation water flow is injected into the oscillation cavity 10 through the connecting cavity 5, the conical cavity 6 and the first thin tube cavity 7 of the first nozzle 1, discrete vortex rings are formed in the first nozzle 1, vortex disturbance-amplification-vortex pulsation generation circulation processes are formed in the conical cavity 6 and the oscillation cavity 10 in the first nozzle in a collision mode, the processes are continuously and circularly repeated, strong self-excited oscillation pulse jet flow is formed, cavitation is induced, and accordingly atomization effect is effectively improved. And then enters the atomizing nozzle 3 with the atomizing holes 304, the atomizing holes 304 are used for introducing gas, and the gas is fully combined with the self-oscillation pulse jet flow from the second nozzle 2 to achieve the atomizing effect. Finally, the water is jetted to the inverted conical surface of the ceiling 402 of the water nozzle 4 and is jetted to the agricultural land through the plurality of water jetting holes 403 of the water nozzle 4.
Self-oscillation atomizer 100 for agricultural irrigation in this embodiment converts continuous efflux into pulse efflux, pulse efflux has the energy consumption low, characteristics such as atomizing are good, first nozzle 1 that will produce pulse efflux makes up into an efficient sprinkler irrigation system with atomizing nozzle 3, the pulse gas-liquid efflux of production can further improve atomization effect, the range is far away makes that spray area is big, effective water economy, can realize the protection of water resource better, irrigation efficiency is promoted, and then high-efficient agricultural production that promotes.
The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (9)
1. A self-oscillation atomizer for agricultural irrigation is characterized by comprising a first nozzle, a second nozzle, an atomization nozzle and a water nozzle which are sequentially arranged from bottom to top, wherein a connecting cavity, a conical cavity, a first thin tube cavity and a mounting groove are sequentially arranged in the first nozzle from bottom to top, the second nozzle is arranged in the mounting groove, an oscillation cavity is formed between the bottom surface of the second nozzle and the first nozzle, a second thin tube cavity is arranged in the second nozzle, the two ends of the oscillation cavity are respectively communicated with the first thin tube cavity and the second thin tube cavity, the atomization nozzle comprises a first circular tube, a conical tube and a second circular tube which are sequentially connected from bottom to top, the inner diameter of the first circular tube is larger than that of the second circular tube, the first thin tube is arranged at the upper end outside the second nozzle, and an atomization hole is arranged at the upper part of the side wall of the first circular tube, the atomizing hole is used for letting in gas, first pipe with form the atomizing chamber between the top surface of second nozzle, the upper end of second tubule chamber with atomizing chamber intercommunication, the water spout include the third pipe and set up in the roof at third pipe top, the third pipe cover establish install in the outside of second pipe, the upper portion of third pipe lateral wall is provided with a plurality of hole for water spraying along circumference.
2. The self-oscillating atomizer according to claim 1, wherein the lower surface of said top plate is an inverted conical surface.
3. The self-oscillating atomizer according to claim 1, wherein said water jet orifices are fan-shaped orifices, said fan-shaped orifices extending circumferentially around said third tube.
4. The self-oscillating atomizer according to claim 3, wherein there are three fan-shaped holes, each of the three fan-shaped holes is a first fan-shaped hole, a second fan-shaped hole and a third fan-shaped hole, an angle between a horizontal line connecting a midpoint of the first fan-shaped hole and a central axis of the third circular tube and a horizontal line connecting a midpoint of the second fan-shaped hole and a central axis of the third circular tube is 90 °, and an angle between a horizontal line connecting a midpoint of the third fan-shaped hole and a central axis of the third circular tube and a horizontal line connecting a midpoint of the second fan-shaped hole and a central axis of the third circular tube is 90 °.
5. The self-oscillation atomizer of claim 1, wherein said mounting groove comprises a first circular groove and a second circular groove arranged from bottom to top in sequence, the inner diameter of said second circular groove is larger than the inner diameter of said first circular groove, said second nozzle is threadedly mounted in said second circular groove, and the lower end of said second nozzle extends into said first circular groove.
6. The self-oscillation atomizer of claim 5, wherein said second nozzle comprises a first cylinder, a second cylinder, a third cylinder and a fourth cylinder connected in sequence from bottom to top, the outer diameters of said second cylinder, said first cylinder, said third cylinder and said fourth cylinder decrease in sequence, said second cylinder is threadedly mounted in said second circular groove, said first cylinder is structurally matched with said first circular groove, and said first circular pipe is threadedly mounted on said fourth cylinder.
7. The self-oscillating atomizer of claim 1, wherein said third tube is threadably received about an exterior of said second tube.
8. The self-oscillating atomizer according to claim 1, wherein said atomizing orifice is a threaded orifice for connection to an air delivery tube through an externally threaded valve seat.
9. The self-oscillating atomizer according to claim 1, wherein said first thin tube chamber has an inner diameter d1The inner diameter of the second thin tube cavity is d2The inner diameter of the second round tube is d3，
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110856891.0A CN113499871B (en) | 2021-07-28 | 2021-07-28 | Self-oscillation atomization nozzle for agricultural irrigation |
| NL2031639A NL2031639B1 (en) | 2021-07-28 | 2022-04-20 | Self-oscillation atomizer for agricultural irrigation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110856891.0A CN113499871B (en) | 2021-07-28 | 2021-07-28 | Self-oscillation atomization nozzle for agricultural irrigation |
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| Publication Number | Publication Date |
|---|---|
| CN113499871A true CN113499871A (en) | 2021-10-15 |
| CN113499871B CN113499871B (en) | 2022-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110856891.0A Active CN113499871B (en) | 2021-07-28 | 2021-07-28 | Self-oscillation atomization nozzle for agricultural irrigation |
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| CN (1) | CN113499871B (en) |
| NL (1) | NL2031639B1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023197795A1 (en) * | 2022-12-28 | 2023-10-19 | 南京农业大学 | Method for designing three-dimensional uniquely-shaped jet nozzle for field of water-saving farmland irrigation |
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| WO2023197795A1 (en) * | 2022-12-28 | 2023-10-19 | 南京农业大学 | Method for designing three-dimensional uniquely-shaped jet nozzle for field of water-saving farmland irrigation |
Also Published As
| Publication number | Publication date |
|---|---|
| NL2031639B1 (en) | 2023-02-02 |
| CN113499871B (en) | 2022-12-09 |
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Application publication date: 20211015 Assignee: Hunan liziwan Agricultural Development Co.,Ltd. Assignor: Hunan University of Humanities, Science and Technology Contract record no.: X2023980050631 Denomination of invention: A self-excited oscillating atomizing nozzle for agricultural irrigation Granted publication date: 20221209 License type: Common License Record date: 20231212 Application publication date: 20211015 Assignee: LIANYUAN XINLYU AGRICULTURAL TECHNOLOGY CO.,LTD. Assignor: Hunan University of Humanities, Science and Technology Contract record no.: X2023980050629 Denomination of invention: A self-excited oscillating atomizing nozzle for agricultural irrigation Granted publication date: 20221209 License type: Common License Record date: 20231212 |
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Application publication date: 20211015 Assignee: Hunan Shuotai Agricultural Comprehensive Development Co.,Ltd. Assignor: Hunan University of Humanities, Science and Technology Contract record no.: X2023980052631 Denomination of invention: A self-excited oscillating atomizing nozzle for agricultural irrigation Granted publication date: 20221209 License type: Common License Record date: 20231218 |
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