A dual fluid atomizing nozzle

Abstract

The utility model provides a kind of double fluid atomization nozzle, belong to nozzle technical field.It solves the problem of poor atomization effect of nozzle in prior art.The utility model includes main body chamber, liquid connector assembly, gas connector assembly, atomization core assembly and external thread connector, main body connector is formed in the center of main body chamber, liquid flow channel that is communicated up and down is opened in main body connector inside, gas interface and liquid interface are respectively opened in the both sides of main body chamber, liquid interface inside is communicated with liquid flow channel, annular gas distribution groove is formed between the lower end of main body connector and main body chamber, connecting column is formed in the upper end of atomization core main body, connecting column is inserted into main body and is connected with main body connector, atomization cap is connected with the lower end of atomization core main body, external thread connector is sleeved in atomization core assembly outside and is connected with atomization core assembly.The utility model has the advantages of good atomization effect, convenient disassembly and assembly and good sealing effect.

Description

Technical Field

[0001] This utility model belongs to the field of nozzle technology and relates to a dual-fluid atomizing nozzle. Background Technology

[0002] A dual-fluid atomizing nozzle is a device that achieves atomization by mixing two media, gas and liquid. It has an independent gas-liquid passage and is mostly an internal mixing structure. It utilizes high-speed gas flow to shear and break up the liquid to form ultrafine droplets. The atomization particle size and range can be precisely controlled by the gas-liquid pressure ratio.

[0003] Chinese patent publication number CN215997155U discloses a dual-fluid nozzle, including a housing, an air guide tube, a resonant head, and an atomizing core. The outer wall of the front part of the air guide tube is provided with an air guide tube thread, and the two sides of the air guide tube thread are symmetrically provided with chamfered surfaces. There is a cavity between the chamfered surfaces and the inner wall of the housing, and the cavity is a water inlet. A swirl core is provided inside the front end of the air guide tube. The rear end face of the atomizing core is provided with several oblique grooves with the opposite rotation direction to the swirl core. The atomizing core is installed inside the front end of the housing. The air guide tube is connected to the inner wall of the housing by the air guide tube thread, and the front end face abuts against the rear end face of the atomizing core. The resonant head is fixedly installed in front of the housing outlet.

[0004] The patent provides a dual-fluid nozzle that relies solely on a single reverse swirl structure and lacks a multi-stage dispersion or uniform gas-liquid distribution design. When the liquid viscosity fluctuates or the gas-liquid flow ratio is adjusted, insufficient gas-liquid mixing is likely to occur, resulting in large differences in droplet size and making it difficult to form a uniform and fine spray. Utility Model Content

[0005] The purpose of this invention is to address the aforementioned problems in the prior art by providing a dual-fluid atomizing nozzle.

[0006] The objective of this utility model can be achieved through the following technical solution: A dual-fluid atomizing nozzle includes a main chamber, a liquid connector assembly, a gas connector assembly, an atomizing core assembly, and an external threaded connector. A main connector is formed at the center of the main chamber, and a vertically penetrating liquid flow channel is opened inside the main connector. Gas and liquid interfaces are respectively opened on both sides of the main chamber. The liquid interface is connected to the liquid flow channel. An annular gas distribution groove is formed between the lower end of the main connector and the main chamber. The liquid connector assembly includes a liquid inlet connector and a first retaining nut. The gas connector assembly includes a gas inlet connector and a second retaining nut. The liquid inlet connector extends into the gas interface and connects to the main chamber. The gas inlet connector extends into the liquid interface and connects to the main chamber. The atomizing core assembly includes an atomizing core body and an atomizing cap. A connecting post is formed at the upper end of the atomizing core body, and the connecting post extends into the main connector and connects to the main connector. The atomizing cap is connected to the lower end of the atomizing core body. The external threaded connector is sleeved on the outside of the atomizing core assembly and connects to the atomizing core assembly.

[0007] In the aforementioned dual-fluid atomizing nozzle, the liquid interface and gas interface have internal thread structures, and the inner ends of the liquid inlet connector and gas inlet connector have external thread structures. The gas interface and gas inlet connector, as well as the liquid interface and liquid inlet connector, are engaged and connected.

[0008] In the aforementioned dual-fluid atomizing nozzle, an annular groove is formed in the atomizing core body, and several gas distribution grooves penetrating the atomizing core body are formed in the annular groove. A liquid atomization channel is formed at the center of the atomizing core. An atomizing protrusion is formed at the lower end of the atomizing core body. A mixing chamber is formed inside the atomizing cap, and the atomizing protrusion is located inside the mixing chamber. An atomizing nozzle is formed at the lower end of the atomizing cap, and several atomizing holes are formed in the atomizing nozzle.

[0009] In the aforementioned dual-fluid atomizing nozzle, the outer end of the atomizing core body has an external thread structure, the inner side of the upper end of the external threaded connector has an internal thread structure, the outer end of the atomizing core body is engaged with the inner side of the external threaded connector, the outer side of the lower end of the external threaded connector has an external thread structure, and a locking nut is engaged with the lower end of the external threaded connector.

[0010] In the aforementioned dual-fluid atomizing nozzle, a first sealing groove is provided at the lower end of the main chamber, a first sealing ring is provided in the first sealing groove, and a plurality of through holes are provided in the first sealing ring.

[0011] In the aforementioned dual-fluid atomizing nozzle, a second sealing groove is provided at the upper end of the main chamber, a second sealing ring is provided in the second sealing groove, and a sealing plug is sealed and connected in the main chamber at the upper end of the liquid flow channel.

[0012] Compared with the prior art, the dual-fluid atomizing nozzle provided by this utility model has the following beneficial effects: 1. The annular gas distribution groove at the lower end of the main body connector makes the gas evenly distributed in the circumference. The annular groove of the atomizing core body and multiple sets of gas distribution grooves further disperse the gas and liquid, ensuring that the two have initially made uniform contact before mixing. The atomizing protrusion of the atomizing core and the mixing chamber of the atomizing cap form a shear mixing space, which is finally sprayed out through multiple sets of atomizing holes of the atomizing nozzle, greatly reducing the difference in droplet size and improving atomization consistency. 2. The liquid connector, gas connector, atomizing core, and external threaded connector are all connected by threaded engagement. When disassembling and assembling, only the corresponding parts need to be screwed on. There is no need for complicated tools or overall disassembly, which facilitates quick replacement of easily damaged parts such as atomizing core and connector, greatly reducing maintenance time and cost. 3. A multi-stage sealing structure is adopted. The upper and lower ends of the main body chamber are respectively provided with the first sealing groove and the second sealing groove. At the same time, the upper end of the liquid flow channel is sealed with a sealing plug, forming a multi-dimensional sealing system, which effectively blocks the leakage of gas and liquid from non-working gaps and is suitable for high-pressure working conditions. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram of the exploded structure of this utility model; Figure 3 This is a schematic diagram of the cross-sectional structure of the main chamber; Figure 4 This is a schematic diagram of the atomizer core assembly structure.

[0014] In the diagram: 1. Main chamber; 11. Main connector; 12. Liquid flow channel; 13. Gas interface; 14. Liquid interface; 15. Annular gas distribution groove; 16. First sealing groove; 17. Second sealing groove; 2. Liquid connector assembly; 21. Liquid inlet connector; 22. First ferrule nut; 3. Gas connector assembly; 31. Gas inlet connector; 32. Second ferrule nut; 4. Atomizing core assembly; 41. Atomizing core body; 411. Connecting post; 412. Annular groove; 413. Gas distribution groove; 414. Liquid atomization channel; 415. Atomizing protrusion; 42. Atomizing cap; 421. Mixing chamber; 422. Atomizing nozzle; 423. Atomizing hole; 5. External threaded connector; 6. Locking nut; 7. First sealing ring; 71. Through hole; 8. Second sealing ring; 9. Sealing plug. Detailed Implementation

[0015] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.

[0016] like Figures 1 to 4As shown, this embodiment includes a main chamber 1, a liquid connector assembly 2, a gas connector assembly 3, an atomizing core assembly 4, and an external threaded connector 5. The main chamber 1 has a main connector 11 integrally formed at its center. The main connector 11 has a liquid flow channel 12 that runs vertically through it. The main chamber 1 has a gas interface 13 and a liquid interface 14 on its two sides, respectively. The liquid interface 14 is connected to the liquid flow channel 12. The lower end of the main connector 11 and the main chamber 1 form an annular gas distribution groove 15, which provides a pre-distribution space for gas-liquid mixing.

[0017] like Figures 1 to 2 As shown, the liquid connector assembly 2 includes a liquid inlet connector 21 and a first ferrule nut 22, and the gas connector assembly 3 includes a gas inlet connector 31 and a second ferrule nut 32. The liquid inlet connector 21 and the gas inlet connector 31 extend into the liquid interface 14 and the gas interface 13, respectively, and are fixedly connected to the main chamber 1. The liquid connector assembly 2 and the gas connector assembly 3 can achieve a quick-sealing connection with the external pipeline through the first ferrule nut 22 and the second ferrule nut 32, respectively.

[0018] like Figures 1 to 4 As shown, the atomizing core assembly 4 includes an atomizing core body 41 and an atomizing cap 42. A connecting post 411 is formed at the upper end of the atomizing core body 41, which extends into the main body connector 11 and is sealed to the main body connector 11. The atomizing cap 42 is fixedly connected to the lower end of the atomizing core body 41. An external threaded connector 5 is sleeved on the outside of the atomizing core assembly 4 and connected to the atomizing core assembly 4 to form an integral assembly structure. An annular groove 412 is formed in the middle of the atomizing core body 41, and several gas distribution grooves 413 that penetrate the atomizing core body 41 are evenly formed in the annular groove 412. A liquid distribution groove is formed at the center of the atomizing core body 41. The liquid atomization channel 414 is connected to the liquid flow channel 12. The lower end of the atomizing core body 41 is integrally formed with an atomizing protrusion 415. A mixing chamber 421 is formed inside the atomizing cap 42. The atomizing protrusion 415 is located inside the mixing chamber 421. An atomizing nozzle 422 is formed at the lower end of the atomizing cap 422. Several atomizing holes 423 are evenly opened in the atomizing nozzle 422. The gas entering the mixing chamber 421 through the gas distribution groove 413 and the liquid transported through the liquid atomization channel 414 are fully mixed under the action of the mixing chamber 421, and finally a uniform atomization effect is formed through the atomizing holes 423.

[0019] To elaborate further, such as Figures 2 to 3 As shown, both the liquid interface 14 and the gas interface 13 have internal thread structures, while the inner ends of the liquid inlet connector 21 and the gas inlet connector 31 are respectively set with external thread structures. The gas interface 13 and the gas inlet connector 31, and the liquid interface 14 and the liquid inlet connector 21 are connected by thread engagement, which is convenient to assemble and has reliable sealing, ensuring no leakage during gas-liquid transportation.

[0020] To elaborate further, such as Figure 2 and Figure 4 As shown, the outer end of the atomizing core body 41 has an external thread structure, and the inner side of the upper end of the external thread connector 5 has a corresponding internal thread structure. The outer end of the atomizing core body 41 and the inner side of the external thread connector 5 are connected by thread engagement. The outer side of the lower end of the external thread connector 5 has an external thread structure, and its lower end is connected by a locking nut 6 through thread engagement. The nozzle can be fixedly installed with external equipment through the locking nut 6.

[0021] To elaborate further, such as Figure 3 As shown, a first sealing groove 16 is provided at the lower end of the main chamber 1, and a first sealing ring 7 is embedded in the first sealing groove 16. Several through holes 71 are provided in the first sealing ring 7. The through holes 71 can ensure that the gas passes smoothly through the annular air distribution groove 15 and enters the atomizing core assembly 4. At the same time, the first sealing ring 7 achieves the seal between the main chamber 1 and the atomizing core assembly 4. A second sealing groove 17 is provided at the upper end of the main chamber 1, and a second sealing ring 8 is embedded in the second sealing groove 17. A sealing plug 9 is connected to the main chamber 1 at the upper end of the liquid flow channel 12 by a threaded seal. The cooperation between the second sealing ring 8 and the sealing plug 9 ensures the sealing performance of the upper end of the liquid flow channel 12 and avoids liquid leakage.

[0022] The specific embodiments described herein are merely illustrative examples illustrating the spirit of this utility model. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of this utility model or exceeding the scope defined by the appended claims.

[0023] Although this document uses a variety of terms, the possibility of using other terms is not excluded. These terms are used merely for the convenience of describing and explaining the essence of this invention; interpreting them as any additional limitation would contradict the spirit of this invention.

Claims

1. A dual-fluid atomizing nozzle, comprising a main chamber (1), a liquid connector assembly (2), a gas connector assembly (3), an atomizing core assembly (4), and an external threaded connector (5), characterized in that: A main connector (11) is formed at the center of the main chamber (1). A liquid flow channel (12) is formed inside the main connector (11) and runs vertically through it. A gas interface (13) and a liquid interface (14) are respectively formed on both sides of the main chamber (1). The liquid interface (14) is connected to the liquid flow channel (12). An annular gas distribution groove (15) is formed between the lower end of the main connector (11) and the main chamber (1). The liquid connector assembly (2) includes a liquid inlet connector (21) and a first ferrule nut (22). The gas connector assembly (3) includes a gas inlet connector (31) and a second ferrule nut (32). The inlet connector (21) extends into the gas interface (13) and is connected to the main chamber (1). The gas inlet connector (31) extends into the liquid interface (14) and is connected to the main chamber (1). The atomizing core assembly (4) includes an atomizing core body (41) and an atomizing cap (42). A connecting post (411) is formed at the upper end of the atomizing core body (41). The connecting post (411) extends into the main connector (11) and is connected to the main connector (11). The atomizing cap (42) is connected to the lower end of the atomizing core body (41). The external thread connector (5) is sleeved on the outside of the atomizing core assembly (4) and is connected to the atomizing core assembly (4).

2. The dual-fluid atomizing nozzle according to claim 1, characterized in that: The liquid interface (14) and gas interface (13) have internal thread structures, and the inner ends of the liquid inlet connector (21) and gas inlet connector (31) have external thread structures. The gas interface (13) and gas inlet connector (31) as well as the liquid interface (14) and liquid inlet connector (21) are engaged and connected.

3. The dual-fluid atomizing nozzle according to claim 1, characterized in that: The atomizing core body (41) has an annular groove (412) and a plurality of gas distribution grooves (413) that penetrate the atomizing core body (41) in the annular groove (412). A liquid atomization channel (414) is provided at the center of the atomizing core. An atomizing protrusion (415) is formed at the lower end of the atomizing core body (41). A mixing chamber (421) is formed inside the atomizing cap (42). The atomizing protrusion (415) is located inside the mixing chamber (421). An atomizing nozzle (422) is formed at the lower end of the atomizing cap (42). A plurality of atomizing holes (423) are provided in the atomizing nozzle (422).

4. A dual-fluid atomizing nozzle according to claim 1, characterized in that: The outer end of the atomizing core body (41) has an external thread structure, the inner side of the upper end of the external thread connector (5) has an internal thread structure, the outer end of the atomizing core body (41) is engaged with the inner side of the external thread connector (5), the outer side of the lower end of the external thread connector (5) has an external thread structure, and the lower end of the external thread connector (5) is engaged with a locking nut (6).

5. A dual-fluid atomizing nozzle according to claim 1, characterized in that: The lower end of the main chamber (1) is provided with a first sealing groove (16), and a first sealing ring (7) is provided in the first sealing groove (16). The first sealing ring (7) is provided with several through holes (71).

6. A dual-fluid atomizing nozzle according to claim 1, characterized in that: The upper end of the main chamber (1) is provided with a second sealing groove (17), and a second sealing ring (8) is provided in the second sealing groove (17). A sealing plug (9) is sealed and connected in the main chamber (1) at the upper end of the liquid flow channel (12).

Images