Two-fluid atomizing nozzle with adjustable spraying direction

Abstract

The utility model discloses a two-fluid atomizing nozzle with adjustable spraying direction, which comprises a tubular mounting seat, a spherical annular atomizing nozzle, an adjusting nut and a gas-liquid mixer, one end of the tubular mounting seat is provided with external threads, the spherical annular atomizing nozzle is provided with a nozzle end and an interface end, a nozzle of the spherical annular atomizing nozzle is flared and trumpet-shaped, and the adjusting nut is provided with an adjusting nut. The ball-ring-shaped atomizing nozzle is installed at a pipe opening of the end, provided with external threads, of the tubular installation base, the adjusting nut is provided with a threaded end and a necking end, the adjusting nut is installed at the end, provided with the external threads, of the tubular installation base, and the spraying opening end of the ball-ring-shaped atomizing nozzle extends out of a hole opening of the necking end of the adjusting nut. The gas-liquid mixer is a three-way connector formed by communicating a main pipe section and a branch pipe section, and the outlet end of the main pipe section is connected with a connector of the connector end of the ball-ring-shaped atomizing nozzle. The atomizing nozzle with the adjustable spraying direction solves the problems that the spraying range is small, the atomizing effect is poor and the like when the included angle between the direction of the nozzle and the positive direction of the axial direction of the tubular mounting seat is large in the existing atomizing nozzle with the adjustable spraying direction.

Description

Technical Field

[0001] The utility model relates to the technical field of atomizing nozzles, and particularly relates to a two-fluid atomizing nozzle with adjustable spraying direction. Background Technique

[0002] Atomizing nozzles are widely used in many occasions such as mine dust removal and construction site dust removal. For the existing atomizing nozzles with adjustable spraying direction, when the axis of the nozzle orientation and the tubular mounting seat are not in the same straight line, the fluid channels in the spherical ring joint with the nozzle installed at the front end are not aligned with the fluid channels in the tubular mounting seat. When the fluid in the tubular mounting seat flows through the spherical ring joint, it will be blocked to a certain extent by the spherical ring joint. Moreover, the larger the angle between the nozzle orientation and the positive direction of the axis of the tubular mounting seat, the greater the resistance of the fluid in the tubular mounting seat being blocked by the spherical ring joint when flowing through the spherical ring joint. Eventually, the spray range of the liquid mist ejected from the nozzle is smaller, the atomization effect is worse, and due to the small nozzle orifice of the nozzle used, there are also problems such as easy blockage of the nozzle and low atomization efficiency. In addition, for the existing gas-liquid two-fluid atomizing nozzles, the air inlet and the liquid inlet are facing each other. When the gas and liquid are mixed, the air flow and the liquid flow collide head-on, resulting in large energy loss and poor mixing effect, which is not conducive to gas-liquid two-fluid atomization. Content of the Utility Model

[0003] In order to solve the problems of small spray range, poor atomization effect, easy blockage of the nozzle and low atomization efficiency existing in the existing atomizing nozzles with adjustable spraying direction when the angle between the nozzle orientation and the positive direction of the axis of the tubular mounting seat is large, and at the same time solve the problems of large energy loss and poor mixing effect during gas-liquid mixing in the existing gas-liquid two-fluid atomizing nozzles, which are not conducive to gas-liquid two-fluid atomization, the utility model provides a two-fluid atomizing nozzle with adjustable spraying direction.

[0004] The technical solution adopted by the utility model is as follows:

[0005] A two-fluid atomizing nozzle with adjustable jet direction, comprising a tubular mounting base, a spherical-ring-shaped atomizing nozzle, an adjusting nut, and a gas-liquid mixer. One end of the tubular mounting base has an external thread, and on the inner wall at the orifice of this end, an arc surface is annularly provided that can closely fit the spherical surface on the outer surface of the spherical-ring-shaped atomizing nozzle. The spherical-ring-shaped atomizing nozzle has a nozzle end and an interface end, and its nozzle is in the shape of a flared horn. The spherical-ring-shaped atomizing nozzle is installed at the orifice of the end of the tubular mounting base with the external thread, and its interface end extends into the orifice of the end of the tubular mounting base with the external thread, and its spherical surface closely fits the arc surface. The adjusting nut has a threaded end and a reduced-orifice end. The pitch diameter of the internal thread at the threaded end is larger than the diameter of the spherical surface of the spherical-ring-shaped atomizing nozzle, and the diameter of the orifice at the reduced-orifice end is smaller than the diameter of the spherical surface of the spherical-ring-shaped atomizing nozzle. The adjusting nut is installed at the end of the tubular mounting base with the external thread through its threaded end. The nozzle end of the spherical-ring-shaped atomizing nozzle extends out of the orifice of the reduced-orifice end of the adjusting nut. When the edge of the orifice of the reduced-orifice end of the adjusting nut presses against the spherical surface on the outer surface of the spherical-ring-shaped atomizing nozzle, the orientation of the spherical-ring-shaped atomizing nozzle and its nozzle is fixed. The gas-liquid mixer is a tee joint formed by connecting a main pipe section and a branch pipe section. Both the main pipe section and the branch pipe section are straight pipes, and the included angle α between them is an acute angle. The inlet end of the main pipe section is used to connect to a gas transmission pipe for conveying compressed gas. The outlet end of the main pipe section extends into the other end of the tubular mounting base and is connected to the interface of the interface end of the spherical-ring-shaped atomizing nozzle.

[0006] Preferably, the included angle α between the main pipe section and the branch pipe section is 30°.

[0007] Preferably, the spray angle β of the nozzle is 60°.

[0008] Preferably, the other end of the tubular mounting base has a flange.

[0009] Preferably, the two-fluid atomizing nozzle with adjustable jet direction further includes a pipe joint. The middle of the outer surface of the pipe joint has a flange perpendicular to the axis of the pipe joint. The two ends of the pipe joint are provided with external threads, and the inner diameter of one end is larger than that of the other end. The interface of the interface end of the spherical-ring-shaped atomizing nozzle has an internal thread, and the outlet end of the gas-liquid mixer has an internal thread. The outlet end of the gas-liquid mixer is connected to the interface of the interface end of the spherical-ring-shaped atomizing nozzle through the pipe joint, and the end of the pipe joint connected to the outlet end of the gas-liquid mixer is the end with a smaller inner diameter.

[0010] Preferably, both the outlet end of the gas-liquid mixer and the interface end of the spherical-ring-shaped atomizing nozzle are in close contact with the flange of the pipe joint.

[0011] By connecting the outlet end of the main pipe section of the gas-liquid mixer to the interface end of the spherical ring-shaped atomizing nozzle, when adjusting the orientation of the spherical ring-shaped atomizing nozzle to change the spraying direction, the orientation of the gas-liquid mixer changes accordingly, ensuring that the fluid channel in the main pipe section of the gas-liquid mixer is always directly opposite to the fluid channel in the spherical ring-shaped atomizing nozzle. This avoids the fluid in the main pipe section of the gas-liquid mixer being blocked by the spherical ring-shaped atomizing nozzle when flowing through it, resulting in a large spray range and good atomization effect after finally spraying out through the nozzle orifice of the spherical ring-shaped atomizing nozzle; by designing the nozzle orifice of the spherical ring-shaped atomizing nozzle as a flared horn shape and no longer requiring the installation of a nozzle with a pinhole-type nozzle orifice, the nozzle orifice of the spherical ring-shaped atomizing nozzle is relatively large, the nozzle is not easily blocked, and the atomization efficiency is high; by designing the gas-liquid mixer as a tee joint formed by connecting the main pipe section and the branch pipe section, both the main pipe section and the branch pipe section are straight pipes, and the included angle α between them is an acute angle, avoiding the direct collision of the gas flow and the liquid flow during gas-liquid mixing, with small energy loss, sufficient mixing, and good mixing effect, which is beneficial to the atomization of the gas-liquid two-phase fluid.

[0012] As can be seen from the above, the two-fluid atomizing nozzle with adjustable spraying direction of the present utility model solves the problems of small spray range, poor atomization effect, easy nozzle blockage, and low atomization efficiency existing in the existing atomizing nozzle with adjustable spraying direction when the included angle between the nozzle orientation and the positive direction of the axis of the tubular mounting seat is relatively large. At the same time, it solves the problems of large energy loss and poor mixing effect during gas-liquid mixing in the existing gas-liquid two-fluid atomizing nozzle, which is not conducive to the atomization of the gas-liquid two-phase fluid. It has the advantages of large spray range, good atomization effect, not easy nozzle blockage, high atomization efficiency, small energy loss during gas-liquid mixing, sufficient mixing, good mixing effect, and being beneficial to the atomization of the gas-liquid two-phase fluid. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is a three-dimensional structural schematic diagram of the two-fluid atomizing nozzle with adjustable spraying direction according to an embodiment of the present utility model;

[0014] Figure 2 is Figure 1 the front view schematic diagram of the two-fluid atomizing nozzle with adjustable spraying direction shown after being installed on a square plate;

[0015] Figure 3 is Figure 2 the top view schematic diagram of the combination of the two-fluid atomizing nozzle with adjustable spraying direction and the square plate shown;

[0016] Figure 4 is Figure 3 the cross-sectional view of the combination of the two-fluid atomizing nozzle with adjustable spraying direction and the square plate shown at A-A;

[0017] Figure 5 is Figure 4 the front view schematic diagram of the tubular mounting seat shown;

[0018] Figure 6 is Figure 5 A schematic cross-sectional view of the tubular mounting base shown at B-B;

[0019] Figure 7 is Figure 4 A three-dimensional structure schematic diagram of the spherical ring-shaped atomizing nozzle shown;

[0020] Figure 8 is Figure 7 A top view schematic diagram of the spherical ring-shaped atomizing nozzle shown;

[0021] Figure 9 is Figure 8 A schematic cross-sectional view of the spherical ring-shaped atomizing nozzle shown at C-C;

[0022] Figure 10 is Figure 4 A front view schematic diagram of the adjusting nut shown;

[0023] Figure 11 is Figure 10 A schematic cross-sectional view of the adjusting nut shown at D-D;

[0024] Figure 12 is Figure 4 A front view schematic diagram of the pipe joint shown;

[0025] Figure 13 is Figure 12 A schematic cross-sectional view of the pipe joint shown at E-E;

[0026] Figure 14 is Figure 4 A three-dimensional structure schematic diagram of the gas-liquid mixer shown;

[0027] Figure 15 is Figure 4 A front view schematic diagram of the gas-liquid mixer shown;

[0028] Figure 16 is Figure 14 A schematic cross-sectional view of the gas-liquid mixer shown at F-F;

[0029] In the figure: 1, tubular mounting base; 11, flange; 12, arc surface; 2, spherical ring-shaped atomizing nozzle; 3, adjusting nut; 31, reduced end; 4, gas-liquid mixer; 41, main pipe section; 42, branch pipe section; 5, pipe joint; 51, flange; 6, square plate. Specific embodiments

[0030] The following further describes the specific embodiments of the present invention with reference to the accompanying drawings.

[0031] As Figures 1 to 16As shown in the figure, the two-fluid atomizing nozzle with adjustable jet direction in this embodiment includes a tubular mounting seat 1, a spherical-ring-shaped atomizing nozzle 2, an adjusting nut 3, and a gas-liquid mixer 4. One end of the tubular mounting seat 1 has an external thread, and an arc surface 12 that can closely fit the spherical surface on the outer surface of the spherical-ring-shaped atomizing nozzle 2 is annularly arranged on the inner wall of the pipe orifice at this end. The spherical-ring-shaped atomizing nozzle 2 has a nozzle end and a connection end. Its nozzle is in the shape of a flared horn. The spherical-ring-shaped atomizing nozzle 2 is installed at the pipe orifice at the end of the tubular mounting seat 1 with the external thread. Its connection end extends into the pipe orifice at the end of the tubular mounting seat 1 with the external thread, and its spherical surface closely fits the arc surface 12. The adjusting nut 3 has a threaded end and a reduced-diameter end 31. The pitch diameter of the internal thread at its threaded end is larger than the spherical diameter of the spherical-ring-shaped atomizing nozzle 2, and the diameter of the orifice at its reduced-diameter end is smaller than the spherical diameter of the spherical-ring-shaped atomizing nozzle 2. The adjusting nut 3 is installed at the end of the tubular mounting seat 1 with the external thread through its threaded end. The nozzle end of the spherical-ring-shaped atomizing nozzle 2 extends out of the orifice at the reduced-diameter end 31 of the adjusting nut 3. When the edge of the orifice at the reduced-diameter end 31 of the adjusting nut 3 presses against the spherical surface on the outer surface of the spherical-ring-shaped atomizing nozzle 2, the orientation of the spherical-ring-shaped atomizing nozzle 2 and its nozzle is fixed. The gas-liquid mixer 4 is a tee joint formed by connecting a main pipe section 41 and a branch pipe section 42. Both the main pipe section 41 and the branch pipe section 42 are straight pipes, and the included angle α between them is an acute angle. The inlet end of the main pipe section 41 is used to connect to the gas transmission pipe for conveying compressed gas. The outlet end of the main pipe section 41 extends into the other end of the tubular mounting seat 1 and is connected to the connection of the connection end of the spherical-ring-shaped atomizing nozzle 2.

[0032] By connecting the outlet end of the main pipe section 41 of the gas-liquid mixer 4 to the connection of the connection end of the spherical-ring-shaped atomizing nozzle 2, when adjusting the orientation of the spherical-ring-shaped atomizing nozzle 2 to change the jet direction, the orientation of the gas-liquid mixer 4 changes accordingly, ensuring that the fluid channel in the main pipe section 41 of the gas-liquid mixer 4 is always directly opposite to the fluid channel in the spherical-ring-shaped atomizing nozzle 2. This avoids the fluid in the main pipe section 41 of the gas-liquid mixer 4 being blocked by the spherical-ring-shaped atomizing nozzle 2 when flowing through it. Finally, the liquid mist ejected from the nozzle of the spherical-ring-shaped atomizing nozzle 2 has a large spray range and good atomization effect. By designing the nozzle of the spherical-ring-shaped atomizing nozzle 2 as a flared horn and no longer requiring the installation of a nozzle with a pinhole-type nozzle, the nozzle of the spherical-ring-shaped atomizing nozzle 2 is larger, the nozzle is not easily blocked, and the atomization efficiency is high. By designing the gas-liquid mixer 4 as a tee joint formed by connecting a main pipe section 41 and a branch pipe section 42, both the main pipe section 41 and the branch pipe section 42 are straight pipes, and the included angle α between them is an acute angle, avoiding the direct collision of the gas flow and the liquid flow during gas-liquid mixing, with small energy loss, sufficient mixing, and good mixing effect, which is beneficial to the atomization of gas-liquid two-fluid.

[0033] In this embodiment, the inlet end of the branch pipe section 42 is used to connect to a water pipe.

[0034] Preferably, the angle α between the main pipe section 41 and the branch pipe section 42 is 30°. This angle can achieve a good balance between the flow rate and pressure drop of the water entering the gas-liquid mixer 4, and the energy loss is small, so that the water flow is fully mixed with the high-speed airflow in the gas-liquid mixer 4, and finally sprayed out through the nozzle to achieve full atomization.

[0035] Preferably, the spray angle β of the nozzle is 60°.

[0036] In order to facilitate the installation and fixing of the two-fluid atomizing nozzle with adjustable spray direction to a matching component (in this embodiment, the matching component is a square plate 6 for the sake of simplifying the schematic diagram), preferably, the other end of the tubular mounting seat 1 has a flange 11. The two-fluid atomizing nozzle with adjustable spray direction can be installed and fixed to the matching component through the flange 11 of the tubular mounting seat 1 and the screws or bolts passing through the mounting holes of the flange 11.

[0037] Preferably, the two-fluid atomizing nozzle with adjustable spray direction further comprises a pipe joint 5, the middle part of the outer surface of the pipe joint 5 has a flange 51 perpendicular to the axial direction of the pipe joint 5, both ends of the pipe joint 5 are provided with external threads, and the inner diameter of one end is greater than the inner diameter of the other end, the interface of the interface end of the spherical ring atomizing nozzle 2 has internal threads, the outlet end of the gas-liquid mixer 4 has internal threads, the outlet end of the gas-liquid mixer 4 is connected to the interface of the interface end of the spherical ring atomizing nozzle 2 through the pipe joint 5, and the end of the pipe joint 5 connected to the outlet end of the gas-liquid mixer 4 is the end with a smaller inner diameter. Since the end of the pipe joint 5 connected to the outlet end of the gas-liquid mixer 4 is the end with a smaller inner diameter, the two fluids mixed in the gas-liquid mixer 4 will expand and atomize after entering the spherical ring atomizing nozzle 2 with a larger inner diameter, and then the volume of the atomized two fluids will further expand and atomize when passing through the flared trumpet-shaped nozzle, thereby achieving full atomization and improving the atomization efficiency.

[0038] Preferably, the outlet end of the gas-liquid mixer 4 and the interface end of the spherical ring atomizing nozzle 2 are in close contact with the flange 51 of the pipe joint 5. After the outlet end of the gas-liquid mixer 4 and the interface end of the spherical ring atomizing nozzle 2 are in close contact with the flange 51 of the pipe joint 5, the flange 51 of the pipe joint 5 can play a sealing role to prevent water seepage at the threaded connection.

[0039] The method for adjusting the spray direction of the two-fluid atomizing nozzle with adjustable spray direction of the present embodiment is: first, loosen the adjusting nut 3, then, move the spherical ring atomizing nozzle 2 or the gas-liquid mixer 4 to make the nozzle of the spherical ring atomizing nozzle 2 face the desired direction, and then tighten the adjusting nut 3 to keep the nozzle of the spherical ring atomizing nozzle 2 facing the desired direction.

[0040] The embodiments of the present utility model have been described in detail above in conjunction with the accompanying drawings. However, the present utility model is not limited to the above embodiments. Various changes made without departing from the gist of the present utility model within the knowledge scope of those of ordinary skill in the art should also be regarded as the protection scope of the present utility model.

Claims

1. A two-fluid atomizing nozzle with adjustable spray direction, characterized in that: The invention comprises a tubular mounting seat, a spherical ring-shaped atomizing nozzle, an adjusting nut and a gas-liquid mixer, wherein one end of the tubular mounting seat has an external thread, and the inner wall at the pipe mouth of the end is annularly provided with an arc surface which can be closely fitted with the spherical surface of the outer surface of the spherical ring-shaped atomizing nozzle, the spherical ring-shaped atomizing nozzle has a nozzle end and an interface end, and its nozzle is in the shape of an expanded trumpet, the spherical ring-shaped atomizing nozzle is mounted at the pipe mouth of the end of the tubular mounting seat with an external thread, and its interface end extends into the pipe mouth of the end of the tubular mounting seat with an external thread, and its spherical surface is closely fitted with the arc surface, the adjusting nut has a threaded end and a constricted end, the crest diameter of the internal thread of the threaded end is larger than the spherical diameter of the spherical ring-shaped atomizing nozzle, and the diameter of the orifice of the constricted end is smaller than the diameter of the orifice of the constricted end. The spherical diameter of the spherical ring atomizing nozzle, the adjusting nut is installed on one end of the tubular mounting seat with an external thread through its threaded end, the nozzle end of the spherical ring atomizing nozzle extends out of the orifice of the shrinking end of the adjusting nut, when the edge of the orifice of the shrinking end of the adjusting nut presses the spherical surface of the outer surface of the spherical ring atomizing nozzle, the direction of the spherical ring atomizing nozzle and its nozzle is fixed, the gas-liquid mixer is a three-way joint formed by connecting a main pipe section and a branch pipe section, the main pipe section and the branch pipe section are both straight pipes, and the angle α between the two is an acute angle, the inlet end of the main pipe section is used to connect with the gas pipeline for conveying compressed gas, and the outlet end of the main pipe section extends into the other end of the tubular mounting seat and is connected with the interface of the interface end of the spherical ring atomizing nozzle.

2. The two-fluid atomizing nozzle with adjustable spray direction according to claim 1, characterized in that: The included angle α between the main pipe section and the branch pipe section is 30°.

3. The two-fluid atomizing nozzle with adjustable spray direction according to claim 1, characterized in that: The spray angle β of the nozzle is 60°.

4. The two-fluid atomizing nozzle with adjustable spray direction according to claim 1, characterized in that: The other end of the tubular mounting seat has a flange.

5. The two-fluid atomizing nozzle with adjustable spray direction according to claim 1, characterized in that: It also includes a pipe joint, the middle part of the outer surface of the pipe joint has a flange perpendicular to the axial direction of the pipe joint, both ends of the pipe joint are provided with external threads, and the inner diameter of one end is larger than the inner diameter of the other end, the interface of the interface end of the spherical ring atomizing nozzle has an internal thread, the outlet end of the gas-liquid mixer has an internal thread, the outlet end of the gas-liquid mixer is connected to the interface of the interface end of the spherical ring atomizing nozzle through the pipe joint, and the end of the pipe joint connected to the outlet end of the gas-liquid mixer is the end with a smaller inner diameter.

6. The two-fluid atomizing nozzle with adjustable spray direction according to claim 5, characterized in that: The outlet end of the gas-liquid mixer and the interface end of the spherical ring atomizing nozzle are both in close contact with the flange of the pipe joint.

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