Double-medium nozzle

Abstract

The utility model discloses a double-medium nozzle, which relates to the technical field of liquid working medium atomization and comprises a butt joint sleeve, a first nozzle and a second nozzle. The front end and the rear end of the butt-joint sleeve are detachably installed and fixed to the outer pipeline, the inner pipeline, the first spray head and the second spray head respectively, the butt-joint sleeve is provided with a first hole channel and a second hole channel, and outlets of the first hole channel and the second hole channel communicate with inlets of the first spray head and the second spray head respectively. The inlet is communicated with the first pipeline and the second pipeline through the outer pipeline and the inner pipeline respectively. According to the utility model, the first pipeline, the outer pipeline, the first hole channel and the first spray head which are communicated in sequence, and the second pipeline, the inner pipeline, the second hole channel and the second spray head are used for conveying and spraying double media, and the butt-joint sleeve provided with the first hole channel and the second hole channel is detachably connected with the inner pipeline, the outer pipeline, the first spray head and the second spray head; the interiors of the inner pipeline, the outer pipeline, the first spray head and the second spray head can be conveniently detached and cleaned, and the actual use requirement can be well met.

Description

TECHNICAL FIELD

[0001] The utility model relates to liquid state working substance atomization technical field, concretely relates to a kind of double medium nozzle structure for double medium atomization spraying and the connecting structure of the double medium nozzle and external pipeline. BACKGROUND

[0002] Medium nozzle, especially medium atomization nozzle, is a kind of equipment using high-speed jet of air, steam and other fluids to realize liquid state working substance atomization, widely used in industrial production, transportation, scientific research and other fields, and its working principle mainly relies on the impact and friction between high-speed fluid and low-speed liquid to break liquid column or liquid film into fine droplets.

[0003] Double medium nozzle is a common type of medium nozzle, used for separate atomization spraying of two media. Although the existing double medium nozzle can basically meet the needs of double medium atomization spraying, it still has some shortcomings in use, such as the existing double medium nozzle is mostly of an integrated structure with two sets of pipelines inside, which is difficult to clean and maintain when internal blockage occurs, and the use convenience is not ideal. SUMMARY

[0004] The utility model just to avoid the deficiencies existing in the prior art provides a double medium nozzle.

[0005] The utility model discloses a double medium nozzle, outer pipeline is sleeved on inner pipeline, and they are not connected to each other, the outer pipeline and the inner pipeline are also respectively connected with first pipeline and second pipeline, including butt joint sleeve, first spray head and second spray head.

[0006] The first hole of the butt joint sleeve is axially through, and the second hole is axially through around the first hole; the front end of the butt joint sleeve is detachably mounted and fixed with the outer pipeline and the inner pipeline, and the inlets of the first hole and the second hole are respectively communicated with the outlets of the first pipeline and the second pipeline through the outer pipeline and the inner pipeline; the rear end of the butt joint sleeve is detachably mounted and fixed with the first spray head and the second spray head, and the outlets of the first hole and the second hole are respectively communicated with the inlets of the first spray head and the second spray head.

[0007] Further, a connector is provided, the first spray head is mounted and fixed with the second spray head and the butt joint sleeve through the connector, and is communicated with the first spray head through the connector;

[0008] The second nozzle is a hollow structure with a cavity inside, and a second flow outlet is arranged on the rear end face; the front end of the second nozzle is fixedly installed with the rear end of the butt joint sleeve, the inlet of the cavity is communicated with the outlet of the second hole channel, and the second flow outlet is communicated with the outlet of the cavity;

[0009] The butt joint is located in the cavity, a clamping limiting portion is located between the rear end of the butt joint sleeve and the rear end of the second nozzle, an axial through butt joint hole channel is arranged on the butt joint, and the inlet of the butt joint hole channel is communicated with the outlet of the first hole channel; the front end of the first nozzle is fixedly installed with the rear end of the butt joint through the second flow outlet, the outlet of the butt joint hole channel is communicated with the inlet of the first nozzle, and a gap is arranged between the front end of the first nozzle and the edge of the second flow outlet, and a first flow outlet serving as the outlet of the first nozzle is arranged on the rear end of the first nozzle; the inlet of the first nozzle is communicated with the first flow outlet through a pipeline arranged in the first nozzle.

[0010] Further, the front end of the butt joint sleeve is fixedly installed with the first pipeline and the second pipeline through a threaded structure, the rear end of the butt joint sleeve is fixedly installed with the front end of the second nozzle through a threaded structure, and the front end of the first nozzle is fixedly installed with the rear end of the butt joint through a threaded structure.

[0011] Further, the front end of the butt joint sleeve is a sleeve structure provided with an internal thread, the rear end of the outer pipeline is correspondingly provided with an external thread, and the front end of the butt joint sleeve is sleeved to the rear end of the outer pipeline and is installed in cooperation with the external thread.

[0012] Further, the front end of the first hole channel is provided with an internal thread, the rear end of the inner pipeline is correspondingly provided with an external thread, and the rear end of the inner pipeline is inserted into the front end of the first hole channel and is installed in cooperation with the internal thread.

[0013] Further, the front end of the second nozzle is open and is provided with an internal thread inside, the rear end of the butt joint sleeve is correspondingly provided with an external thread, and the front end of the second nozzle is sleeved to the rear end of the butt joint sleeve and is installed in cooperation with the external thread.

[0014] Further, the rear end of the butt joint hole channel is provided with an internal thread, the front end of the first nozzle is correspondingly provided with an external thread, and the front end of the first nozzle is inserted into the rear end of the butt joint hole channel and is installed in cooperation with the internal thread.

[0015] Further, one end of the first pipeline and the second pipeline connected with the outer connecting pipeline serves as the front end thereof, and a connecting section in the form of an external thread structure is arranged, the rear end of the outer connecting pipeline is correspondingly provided with an internal thread, and the rear end of the outer connecting pipeline is sleeved to the connecting section and is installed in cooperation with the external thread.

[0016] Further, the second hole channel is provided with a plurality of second hole channels, and each second hole channel is uniformly distributed and arranged along the circumference of the periphery of the first hole channel.

[0017] Further, the docking sleeve and the second nozzle outer wall are provided with a radially inward recessed groove.

[0018] The utility model provides a kind of double medium nozzle, with following beneficial effects:

[0019] The utility model discloses a kind of double medium nozzle, with following beneficial effects: BRIEF DESCRIPTION OF DRAWINGS

[0020] Fig. 1 It is the axial measurement structure schematic diagram of the utility model;

[0021] Fig. 2 It is the half-cut axial measurement structure schematic diagram of the utility model;

[0022] Fig. 3 It is the half-cut axial measurement structure schematic diagram of the utility model;

[0023] In the drawing:

[0024] 1, outer pipeline;2, inner pipeline;3, first pipeline;4, second pipeline;5, docking sleeve;6, first hole channel;7, second hole channel;8, connecting section;16, external pipe;17, docking head;18, docking hole channel;19, first nozzle;20, first flow outlet;21, second nozzle;22, recess;23, second flow outlet. DETAILED DESCRIPTION

[0025] To make the purpose, technical scheme and advantage of the embodiment of the utility model more clear, the technical scheme in the embodiment of the utility model will be clearly and completely described below, obviously, the described embodiment is a part of the embodiment of the utility model, instead of all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor are within the protection scope of the utility model.

[0026] As Figs. 1-3As shown, the structural relationship is: a double medium nozzle, the outer pipeline 1 is sleeved on the outer pipeline 2, and the two are not communicated with each other, and the outer pipeline 1 and the inner pipeline 2 are also respectively communicated with the first pipeline 3 and the second pipeline 4, comprising a butt joint sleeve 5, a first nozzle 19 and a second nozzle 21;

[0027] The first hole 6 is axially through in the middle of the butt joint sleeve 5, and the second hole 7 is axially through around the first hole 6; the front end of the butt joint sleeve 5 is detachably mounted and fixed with the outer pipeline 1 and the inner pipeline 2, and the inlets of the first hole 6 and the second hole 7 are communicated with the outlets of the first pipeline 3 and the second pipeline 4 through the outer pipeline 1 and the inner pipeline 2; the rear end of the butt joint sleeve 5 is detachably mounted and fixed with the first nozzle 19 and the second nozzle 21, and the outlets of the first hole 6 and the second hole 7 are communicated with the inlets of the first nozzle 19 and the second nozzle 21.

[0028] Preferably, a butt joint 17 is also provided, the first nozzle 19 is mounted and fixed with the second nozzle 21 through the butt joint 17 and the butt joint sleeve 5, and is communicated with the first nozzle 19 through the butt joint 17;

[0029] The second nozzle 21 is a hollow structure with a cavity inside, and a second flow outlet 23 is opened on the rear end face; the front end of the second nozzle 21 is mounted and fixed with the rear end of the butt joint sleeve 5, the inlet of the cavity is communicated with the outlet of the second hole 7, and the second flow outlet 23 is communicated with the outlet of the cavity;

[0030] The butt joint 17 is located in the cavity, and a clamping limiting portion is located between the rear end of the butt joint sleeve 5 and the rear end of the second nozzle 21, an axially through butt joint hole 18 is opened on the butt joint 17, and the inlet of the butt joint hole 18 is communicated with the outlet of the first hole 6; the front end of the first nozzle 19 is mounted and fixed with the rear end of the butt joint 17 through the second flow outlet 23, so that the outlet of the butt joint hole 18 is communicated with the inlet of the first nozzle 19, a gap is left between the front end of the first nozzle 19 and the edge of the second flow outlet 23, and a first flow outlet 20 serving as the outlet of the first nozzle 19 is opened on the rear end of the first nozzle 19; the inlet of the first nozzle 19 is communicated with the first flow outlet 20 through a pipeline opened in the first nozzle 19.

[0031] Preferably, the front end of the butt joint sleeve 5 is mounted and fixed with the first pipeline 3 and the second pipeline 4 through a threaded structure, the rear end of the butt joint sleeve 5 is mounted and fixed with the front end of the second nozzle 21 through a threaded structure, and the front end of the first nozzle 19 is mounted and fixed with the rear end of the butt joint 17 through a threaded structure.

[0032] Preferably, the front end of the butt joint sleeve 5 is in a sleeve structure with internal threads, the rear end of the outer pipeline 1 is correspondingly provided with external threads, and the front end of the butt joint sleeve 5 is sleeved to the rear end of the outer pipeline 1 for installation through the external threads.

[0033] Preferably, the front end of the first hole 6 is internally threaded, and the rear end of the inner pipe 2 is externally threaded, and the rear end of the inner pipe 2 is inserted into the front end of the first hole 6 and is installed in cooperation with the internal threads.

[0034] Preferably, the front end of the second nozzle 21 is open and internally threaded, and the rear end of the butt sleeve 5 is externally threaded, and the front end of the second nozzle 21 is sleeved to the rear end of the butt sleeve 5 and is installed in cooperation with the external threads.

[0035] Preferably, the rear end of the butt hole 18 is internally threaded, and the front end of the first nozzle 19 is externally threaded, and the front end of the first nozzle 19 is inserted into the rear end of the butt hole 18 and is installed in cooperation with the internal threads.

[0036] Preferably, one end of the first pipe 3 and the second pipe 4 connected to the external pipe 16 is the front end, which is provided with a connecting section 8 in the form of external threads, and the rear end of the external pipe 16 is internally threaded, and the rear end of the external pipe 16 is sleeved to the connecting section 8 and is installed in cooperation with the external threads.

[0037] Preferably, a plurality of second holes 7 are arranged in a circumferential direction around the periphery of the first hole 6.

[0038] Preferably, a radially inwardly recessed groove 22 is formed in the outer side wall of the butt sleeve 5 and the second nozzle 21.

[0039] The groove 22 facilitates the use of tools such as a screwdriver to disassemble the butt sleeve 5 and the second nozzle 21, and the groove 22 is preferably circumferentially uniformly distributed.

[0040] When the above-mentioned dual-medium nozzle is used for atomizing and spraying two kinds of media:

[0041] The first medium flows into the first pipe 3 from the first external pipe 16, sequentially flows through the outer pipe 1, the second hole 7, and the second nozzle 21, and is atomized and sprayed out of the annular gap between the second flow outlet 23 and the butt joint 17;

[0042] The second medium flows into the second pipe 4 from the second external pipe 16, sequentially flows through the inner pipe 2, the first hole 6, and the first nozzle 19, and is atomized and sprayed out of the first flow outlet 20.

[0043] When the above-mentioned dual-medium nozzle is used for atomizing and spraying two kinds of media:

[0044] First, the rear end of the butt sleeve 5 is disassembled from the second nozzle 21, then the butt joint 17 and the first nozzle 19 are removed from the front opening of the second nozzle 21, and the first nozzle 19 is disassembled from the butt joint 17;

[0045] Second, the front end of the butt sleeve 5 is disassembled from the outer pipe 1 and the inner pipe 2.

[0046] Third, the respective components of the internal cleaning, cleaning after the end of each component reinstallation fixed can.

[0047] Also can be periodically two kinds of medium flow channel cleaning, to directly avoid the occurrence of blockage.

[0048] It should be noted that in this paper, such as the first and second relationship terms are only used to distinguish one entity or operation with another entity or operation, and does not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the term "includes", "contains" or any other variant thereof is intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements, not only includes those elements, but also includes other elements not explicitly listed, or also includes the elements inherent in such process, method, article or equipment. Without more limitations, the element defined by the statement "includes a" does not exclude the presence of other identical elements in the process, method, article or equipment including the element.

[0049] The above examples are only to illustrate the technical solutions of the present application, but not to limit it; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing examples, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of each embodiment of the present application.

Claims

1. A dual-medium nozzle, wherein an outer pipe (1) is sleeved outside an inner pipe (2), and the two are not connected to each other, and the outer pipe (1) and the inner pipe (2) are respectively connected to a first pipe (3) and a second pipe (4), characterized in that: Includes docking sleeve (5), first nozzle (19) and second nozzle (21); The docking sleeve (5) has an axially penetrating first channel (6) in the middle and an axially penetrating second channel (7) around the first channel (6); the front end of the docking sleeve (5) is detachably installed and fixed to the outer pipe (1) and the inner pipe (2), and the inlets of the first channel (6) and the second channel (7) are connected to the outlets of the first pipeline (3) and the second pipeline (4) through the outer pipe (1) and the inner pipe (2), respectively; the rear end of the docking sleeve (5) is detachably installed and fixed to the first nozzle (19) and the second nozzle (21), and the outlets of the first channel (6) and the second channel (7) are connected to the inlets of the first nozzle (19) and the second nozzle (21), respectively.

2. The dual-medium nozzle according to claim 1, characterized in that: It is also provided with a connector (17), the first nozzle (19) is installed and fixed to the docking sleeve (5) through the connector (17) and the second nozzle (21), and is connected to the first nozzle (19) through the connector (17); The second nozzle (21) has a hollow structure with an internal cavity, and a second flow outlet (23) is opened on the rear end face; the front end of the second nozzle (21) is installed and fixed to the rear end of the docking sleeve (5), the inlet of the cavity is connected to the outlet of the second channel (7), and the second flow outlet (23) is connected to the outlet of the cavity. The connector (17) is located inside the cavity and is locked between the rear end of the docking sleeve (5) and the rear end of the second nozzle (21). An axially penetrating docking channel (18) is opened on it. The inlet of the docking channel (18) is connected to the outlet of the first channel (6). The front end of the first nozzle (19) passes through the second flow outlet (23) and is fixed to the rear end of the connector (17), so that the outlet of the docking channel (18) is connected to the inlet of the first nozzle (19). A gap is left between the front end of the first nozzle (19) and the edge of the second flow outlet (23). The rear end is opened as the outlet of the first nozzle (19). The inlet of the first nozzle (19) is connected to the first flow outlet (20) through a pipe opened inside the first nozzle (19).

3. A dual-medium nozzle according to claim 2, characterized in that: The front end of the docking sleeve (5) is installed and fixed to the first pipeline (3) and the second pipeline (4) through a threaded structure. The rear end of the docking sleeve (5) is installed and fixed to the front end of the second nozzle (21) through a threaded structure. The front end of the first nozzle (19) is installed and fixed to the rear end of the connector (17) through a threaded structure.

4. A dual-medium nozzle according to claim 3, characterized in that: The front end of the docking sleeve (5) has a sleeve-shaped structure with internal threads, and the rear end of the outer pipe (1) is correspondingly provided with external threads. The front end of the docking sleeve (5) is fitted onto the rear end of the outer pipe (1) for mating and installation.

5. A dual-medium nozzle according to claim 3, characterized in that: The front end of the first channel (6) is provided with an internal thread, and the rear end of the inner pipe (2) is provided with an external thread. The rear end of the inner pipe (2) is inserted into the front end of the first channel (6) for installation.

6. A dual-medium nozzle according to claim 3, characterized in that: The front end of the second nozzle (21) is open and has an internal thread. The rear end of the docking sleeve (5) is correspondingly provided with an external thread. The front end of the second nozzle (21) is fitted onto the rear end of the docking sleeve (5) for installation.

7. A dual-medium nozzle according to claim 3, characterized in that: The rear end of the docking channel (18) is provided with an internal thread, and the front end of the first nozzle (19) is provided with an external thread. The front end of the first nozzle (19) is inserted into the rear end of the docking channel (18) for mating and installation.

8. A dual-medium nozzle according to claim 1, characterized in that: The first pipe (3) and the second pipe (4) are connected to the outer pipe (16) at one end as their front end, and are provided with a connecting section (8) with an external thread structure. The rear end of the outer pipe (16) is provided with an internal thread, and the rear end of the outer pipe (16) is fitted onto the connecting section (8) with the external thread for installation.

9. A dual-medium nozzle according to claim 1, characterized in that: Multiple second channels (7) are provided, and each second channel (7) is evenly and densely distributed around the periphery of the first channel (6) in the circumferential direction.

10. A dual-medium nozzle according to claim 1, characterized in that: The outer walls of the docking sleeve (5) and the second nozzle (21) have radially recessed grooves (22).

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