CN214637451U - Gas-liquid two-phase flow spray head for realizing atomization by utilizing high-speed airflow - Google Patents

Abstract

The utility model relates to a nozzle technical field for the liquid drop atomizing specifically is an utilize high velocity air to realize atomizing gas-liquid two-phase flow shower nozzle, including the shower nozzle ectosome, and set firmly in the nozzle of the external internal portion of shower nozzle, its axis of orientation has been seted up to the head symmetry of the shower nozzle ectosome, a second venthole for spouting high pressure draught, the first venthole that is used for spouting high pressure draught is offered in the center department of the head of the shower nozzle ectosome, the air inlet that is linked together with second venthole and first venthole is seted up to one side of the shower nozzle ectosome, the head shaping of nozzle has the atomization hole that is used for blowout liquid, the first venthole of atomization hole clearance fit, the water inlet that communicates with atomization hole is seted up to the afterbody of nozzle. The utility model discloses well atomizing hole spun liquid atomizes through first venthole spun high-pressure draught, and second venthole spun high-pressure gas still can make the liquid droplet crowd after the atomizing further atomize to enlarge the spraying area and reduce the droplet particle diameter.

Description

Gas-liquid two-phase flow spray head for realizing atomization by utilizing high-speed airflow

Technical Field

The utility model relates to a nozzle technical field for the liquid drop atomizing specifically is an utilize high velocity air to realize atomizing gas-liquid two-phase flow shower nozzle.

Background

The existing fog drop spray head is simple in internal structure, the target crops are sprayed through the fog drop spray head in a mode of pressurizing liquid medicine by an air pump, the particle size of the sprayed fog drops is large, the deposition speed is too high, long-time detention and diffusion cannot be carried out in a closed space, and the surface of the target crops in the space cannot be completely covered by the sprayed liquid medicine.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an utilize high-speed air current to realize atomizing gas-liquid two-phase flow shower nozzle to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an utilize high-speed air current to realize atomizing gas-liquid two-phase flow shower nozzle, includes the shower nozzle ectosome to and set firmly the nozzle in the shower nozzle ectosome inside, its characterized in that: the head symmetry of the outer body of shower nozzle offers towards its axis, is used for the second venthole of blowout high-pressure draught, the center department of the head of the outer body of shower nozzle offers the first venthole that is used for blowout high-pressure draught, the air inlet that is linked together with second venthole and first venthole is offered to one side of the outer body of shower nozzle, the head shaping of nozzle has the atomizing hole that is used for spun liquid, the first venthole of atomizing hole clearance fit, the water inlet that communicates with the atomizing hole is offered to the afterbody of nozzle.

Optionally, the nozzle head is of a conical structure with a tip, the tip is hollow and forms the atomization hole, a conical acceleration groove for accommodating the nozzle head and accelerating high-pressure airflow is formed in the inner end face of the head of the outer body of the spray head, and the conical acceleration groove is communicated with the first air outlet hole.

Optionally, the circumferential surface of the nozzle and the lower part of the air inlet are provided with annularly distributed grooves, and sealing rings which are attached to the inner wall of the outer body of the spray head and used for enhancing the sealing performance are arranged in the grooves.

Optionally, the aperture of the atomization hole is 0.1-0.8 mm.

Optionally, the tail of the nozzle is fixed with the tail of the spray head outer body in a threaded connection manner.

Compared with the prior art, the utility model provides an utilize high-speed air current to realize atomizing gas-liquid two-phase flow shower nozzle possesses following beneficial effect: the utility model provides a first venthole, second venthole and atomizing hole conveniently make high-pressure draught or liquid blowout, wherein atomizing hole spun liquid makes the droplet receive extrusion deformation through the first venthole spun high-pressure draught of clearance fit and atomizes, second venthole spun high-pressure gas still can make the liquid droplet crowd after the atomizing receive extrusion deformation and further atomizing, thereby enlarge the spraying area and reduce the droplet particle diameter, based on the special gas-liquid two-phase flow structure of shower nozzle, liquid atomization is accomplished by high velocity gas completely, liquid is inside by the negative pressure suction shower nozzle completely, and do not provide liquid by external force such as water pump to liquid pressurization.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a top view of the present invention.

In the figure: 1. a nozzle outer body; 2. a nozzle; 3. a first air outlet hole; 4. a second air outlet; 5. an air inlet; 6. an atomization orifice; 7. a water inlet; 8. a conical acceleration groove; 9. and (5) sealing rings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example (b): referring to fig. 1 and 2, a gas-liquid two-phase flow nozzle for atomizing by using high-speed airflow includes a nozzle outer body 1 and a nozzle 2 fixedly disposed inside the nozzle outer body 1, wherein a tail portion of the nozzle 2 is fixedly connected to a tail portion of the nozzle outer body 1 by a screw thread.

The head symmetry of the outer body 1 of shower nozzle has been seted up towards its axis, a second venthole 4 for spouting high-pressure draught, the center department of the head of the outer body 1 of shower nozzle offers the first venthole 3 that is used for spouting high-pressure draught, the air inlet 5 that is linked together with second venthole 4 and first venthole 3 is seted up to one side of the outer body 1 of shower nozzle, the head shaping of nozzle 2 has the atomization hole 6 that is used for spun liquid, the first venthole 3 of 6 clearance fit in atomization hole, the water inlet 7 that is linked together with atomization hole 6 is seted up to the afterbody of nozzle 2.

The head of the nozzle 2 is of a conical structure with a tip, the tip is hollow and forms an atomization hole 6, the inner end face of the head of the nozzle outer body 1 is provided with a conical acceleration groove 8 for accommodating the head of the nozzle 2 and accelerating high-pressure airflow, and the conical acceleration groove 8 is communicated with the first air outlet hole 3.

Wherein, the peripheral face of nozzle 2 just is located the below of air inlet 5 and has seted up the recess that is the annular and distributes, and is provided with in the recess and laminates mutually with 1 inner walls of shower nozzle outer body, is used for strengthening the sealing washer 9 of leakproofness.

In addition, the aperture of the atomization hole 6 is 0.1-0.8 mm.

The first air outlet hole 3, the second air outlet hole 4 and the atomizing hole 6 are respectively positioned at the inner ends of the spray head outer body 1 and the nozzle 2 and are in a conical shape, so that high-pressure air flow or liquid can be conveniently sprayed out, the second air outlet hole 4 is arranged at two sides of the first air outlet hole 3, the liquid sprayed out of the atomizing hole 6 enables fog drops to be atomized by extrusion deformation through the high-pressure air flow sprayed out of the first air outlet hole 3 at the periphery, the atomized liquid fog drop groups can be further atomized by extrusion deformation through the high-pressure air flow sprayed out of the second air outlet hole 4, the sprayed fog drop groups are flattened and form a certain fog cone angle, so that the spraying area is enlarged, the fog drops are extruded and collided, the fog drop particle size is reduced, the fog drops can diffuse in a closed or open space for a long time until the fog drops are slowly deposited, the first air outlet hole 3 and the second air outlet hole 4 at the head part of the spray head outer body 1 are a structural foundation for ensuring that the liquid is atomized and forms a certain included angle, based on the special gas-liquid two-phase flow structure of the spray head, liquid atomization is completely finished by high-speed airflow, and liquid is completely sucked into the spray head by negative pressure instead of being supplied by external force such as pressurization of the liquid by a water pump and the like.

The working principle is as follows: the utility model discloses in the use, air inlet 5 is connected to high-pressure air supply, water inlet 7 is connected to water sources such as water tank or medical kit, the high pressure draught that gets into the shower nozzle from air inlet 5 is respectively through first venthole 3 and 4 blowout of second venthole, the air current is when the high-speed blowout of first venthole 3 department, can form the negative pressure region near 2 atomizing hole 6 of nozzle, thus, rely on atmospheric pressure alright inhale from water inlet 7 with liquid such as water or liquid medicine, and make liquid flow from atomizing hole 6, from the liquid that 6 flows in atomizing hole, it becomes the fog droplet crowd that is the circular cone type between the diameter is 6-20 microns to atomize under the effect of 3 spun high velocity air flows in first venthole.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides an utilize high velocity air to realize atomizing gas-liquid two-phase flow shower nozzle, includes shower nozzle outer body (1) to and set firmly in inside nozzle (2) of shower nozzle outer body (1), its characterized in that: the head symmetry of the outer body of shower nozzle (1) is seted up towards its axis, is used for spouting high-pressure draught's second venthole (4), the center department of the head of the outer body of shower nozzle (1) offers first venthole (3) that are used for spouting high-pressure draught, air inlet (5) that are linked together with second venthole (4) and first venthole (3) are seted up to one side of the outer body of shower nozzle (1), the head shaping of nozzle (2) has atomizing hole (6) that are used for spun liquid, the first venthole of atomizing hole (6) clearance fit (3), water inlet (7) that are linked together with atomizing hole (6) are seted up to the afterbody of nozzle (2).

2. The spray head of claim 1, wherein the spray head is a two-phase gas-liquid spray head for atomizing a high-velocity gas stream, and comprises: the head of the nozzle (2) is of a conical structure with a tip mouth, the tip mouth is hollow and forms the atomization hole (6), the inner end face of the head of the spray head outer body (1) is provided with a conical acceleration groove (8) which is used for accommodating the head of the nozzle (2) and accelerating high-pressure airflow, and the conical acceleration groove (8) is communicated with the first air outlet hole (3).

3. The spray head of claim 1, wherein the spray head is a two-phase gas-liquid spray head for atomizing a high-velocity gas stream, and comprises: the outer peripheral surface of the nozzle (2) is provided with a groove which is distributed annularly and is positioned below the air inlet (5), and a sealing ring (9) which is attached to the inner wall of the sprayer outer body (1) and used for enhancing the sealing property is arranged in the groove.

4. The spray head of claim 1, wherein the spray head is a two-phase gas-liquid spray head for atomizing a high-velocity gas stream, and comprises: the aperture of the atomization hole (6) is 0.1-0.8 mm.

5. The spray head of claim 1, wherein the spray head is a two-phase gas-liquid spray head for atomizing a high-velocity gas stream, and comprises: the tail part of the nozzle (2) is fixedly connected with the tail part of the spray head outer body (1) through threads.

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