CN211707135U - A high efficiency atomizer for exhaust purification - Google Patents
A high efficiency atomizer for exhaust purification Download PDFInfo
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- CN211707135U CN211707135U CN201922473573.7U CN201922473573U CN211707135U CN 211707135 U CN211707135 U CN 211707135U CN 201922473573 U CN201922473573 U CN 201922473573U CN 211707135 U CN211707135 U CN 211707135U
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- water inlet
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- front cover
- exhaust gas
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Abstract
The utility model belongs to the technical field of atomizing spray heads, and particularly discloses a high-efficiency atomizing spray head for waste gas purification, which comprises a base and a front cover; the base comprises a base body at the bottom and a convex part at the upper part, and the base body and the convex part are integrally connected; an air passage is arranged in the base and vertically penetrates through the base body and the convex part; the front cover is sleeved on the bulge, the space between the bulge and the front cover is a water storage cavity, and a water channel penetrates through the seat body and is communicated with the water storage cavity; a group of water inlet holes are arranged to communicate the water storage cavity with the air passage. This a high efficiency atomizer for exhaust gas purification, simple structure is compact, and atomization effect is good, and atomization effect is not high to the required precision of pressure and shower nozzle, has fine stability and durability, has more apparent advantage in exhaust gas purification uses.
Description
Technical Field
The utility model belongs to the technical field of atomizer, more specifically say, relate to a high efficiency atomizer for exhaust gas purification.
Background
The atomizing nozzle is a device which can atomize and spray liquid to form tiny liquid drops which are suspended in the air for a long time, and is widely used in a plurality of scenes such as humidification, disinfection, cooling, landscape, fresh keeping, dust removal and the like. Wherein, a large amount of atomizing nozzles are needed for waste gas purification. However, during the purification of waste gas, the working conditions are poor, and certain corrosive gas and dust may exist, so that the ultrahigh pressure head is not suitable for use and requires high precision. However, the common spray head has poor atomization effect or a complex structure, so that the structure of the spray head needs to be optimized.
Disclosure of Invention
To the not enough of prior art existence, the utility model provides a high efficiency atomizer for exhaust-gas purification. This a high efficiency atomizer for exhaust gas purification, simple structure is compact, and atomization effect is good, and atomization effect is not high to the required precision of pressure and shower nozzle, has fine stability and durability, has more apparent advantage in exhaust gas purification uses.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a high-efficiency atomizing nozzle for waste gas purification comprises a base and a front cover; the base comprises a base body at the bottom and a convex part at the upper part, and the base body and the convex part are integrally connected; an air passage is arranged in the base and vertically penetrates through the base body and the convex part; the front cover is sleeved on the bulge, the space between the bulge and the front cover is a water storage cavity, and a water channel penetrates through the seat body and is communicated with the water storage cavity; a group of water inlet holes are arranged to communicate the water storage cavity with the air passage. The high-efficiency atomizing nozzle for waste gas purification is a gas-liquid mixed nozzle, high-pressure gas flows in from an air passage, water in the water storage cavity is sucked into air flow through negative pressure, and gas and liquid are mutually impacted and mixed to form micro droplets which are blown out along with the air flow.
Furthermore, in the high-efficiency atomizing nozzle for waste gas purification, the air passage is sequentially connected from bottom to top by the air inlet section, the rectifying section, the contraction section, the diffusion section, the water inlet section, the mixing chamber and the nozzle; the air inlet section is located at the bottom of the seat body, the nozzle is located at the top of the protruding portion, and the water inlet hole is formed in the water inlet section. The air inlet section is used for being connected with an external high-pressure air source, is usually compressed air, collides with water flowing in from the water inlet hole when flowing to the water inlet section, is primarily mixed, then enters the mixing chamber for further mixing and then is sprayed out from the nozzle.
Preferably, in the above high-efficiency atomizer for purifying exhaust gas, the rectifying section is a straight cylindrical passage with a diameter d and a length greater than 3 d; the constriction constricts the diameter from d to 0.33d within a distance of 1.5 d; the diffuser section expands the diameter from 0.33d to 0.67d within a distance of 1.3 d; the major diameter of the widest part of the mixing chamber is 1.3 d; the rectifying section, the contraction section, the diffusion section and the water inlet section are connected in a smooth transition mode. The optimal atomization effect is achieved by a series of optimization on the shape of the air passage. The gas flows through the flow state after the rectification section and is stable, the gas flows through the contraction section and then is accelerated to reduce the pressure, and the gas is transited to the water inlet section through the diffusion section to be primarily mixed with water flow and is fully mixed in the mixing chamber.
Further, in the high-efficiency atomizer for purifying exhaust gas, the water inlet holes comprise a group of first water inlet holes and a group of second water inlet holes; the included angle between the first water inlet hole and the advancing direction of the air passage is more than 90 degrees; the included angle between the second water inlet hole and the advancing direction of the air passage is less than 90 degrees; the first water inlet hole and the second water inlet hole are distributed in an annular array. The first water inlet hole and the second water inlet hole have different included angles, so that the mixing state of the first water inlet hole and the second water inlet hole is different when the first water inlet hole and the second water inlet hole are contacted with the airflow; the included angle between the water flow direction in the first water inlet hole and the air flow direction is larger than 90 degrees, the water flow collides with the front side of the air flow, the atomization effect is good, but the energy loss is large; the included angle between the second water inlet hole and the first water inlet hole is different and can be complementary with the first water inlet hole; in addition, the density distribution formed in the radial direction of the air flow is different after the water flow in the first water inlet hole and the second water inlet hole is impacted by the air flow, so that the first water inlet hole and the second water inlet hole are matched for use, and the mixing is more uniform.
Furthermore, in the high-efficiency atomizing nozzle for purifying waste gas, the first water inlet holes and the second water inlet holes are spirally distributed in an annular array, and the spiral directions are the same; the inner wall of the rectifying section is provided with threads, and the spiral direction of the threads is opposite to that of the first water inlet hole. The spiral direction of water flow is opposite to that of air flow, the impact is sufficient, and the atomization effect is good.
Preferably, in the high-efficiency atomizing nozzle for purifying waste gas, the aperture of the first water inlet hole is large at the end of the water storage cavity and small at the end of the water inlet section; the diameter of the second water inlet hole is larger at the end of the water storage cavity and smaller at the end of the water inlet section.
Further, above-mentioned a high efficiency atomizer for exhaust-gas purification, diffusion section surface is equipped with annular line, and the cross-section of line is the spine form, and the orientation of spine and the contained angle of air flue advancing direction are greater than 90. The airflow is further disturbed in the diffusion section, the boundary layer is unstable, and the airflow is more fully mixed with the water flow after entering the water inlet section.
Preferably, the front cover is connected with the boss through a threaded fit.
Preferably, in the above high-efficiency atomizer for purifying exhaust gas, a rubber seal is disposed between the front cover and the protruding portion, and a rubber seal is also disposed at a contact portion between the front cover and the base.
Has the advantages that: compared with the prior art, a high efficiency atomizer for exhaust gas purification, simple structure is compact, atomization effect is good, and atomization effect is not high to the required precision of pressure and shower nozzle, has fine stability and durability, has more apparent advantage in exhaust gas purification uses.
Drawings
FIG. 1 is a schematic structural view of example 1;
FIG. 2 is a schematic structural view of an air duct of embodiment 1;
fig. 3 is a partial enlarged view of fig. 1:
FIG. 4 is a schematic structural view of embodiment 2;
FIG. 5 is a schematic structural view of an airway according to embodiment 2;
fig. 6 is a partial enlarged view of fig. 4:
FIG. 7 is a sectional view showing the position of a first water inlet hole in embodiment 2;
FIG. 8 is a sectional view showing the position of a second water inlet hole in example 2.
In the figure, the base 1, the front cover 2, the water storage cavity 3, the base body 11, the protruding portion 12, the air passage 13, the water passage 14, the water inlet 15, the air inlet section 131, the rectifying section 132, the contracting section 133, the diffusing section 134, the water inlet section 135, the mixing chamber 136, the nozzle 137, the first water inlet 151, and the second water inlet 152.
Detailed Description
The invention is further explained by combining the attached drawings and the specific embodiments.
Example 1
A high-efficiency atomizer for exhaust gas purification, as shown in FIGS. 1 to 3, includes a base 1 and a front cover 2; the base 1 is divided into a base body 11 at the bottom and a convex part 12 at the upper part, and the base body 11 and the convex part 12 are integrally connected; an air passage 13 is arranged in the base 1 and vertically penetrates through the base body 11 and the convex part 12; the front cover 2 is sleeved on the convex part 12, the space between the convex part 12 and the front cover 2 is a water storage cavity 3, and a water channel 14 penetrates through the seat body 11 and is communicated with the water storage cavity 3; a group of water inlet holes 15 are arranged to communicate the water storage cavity 3 with the air passage 13.
In this embodiment, the air passage 13 is sequentially connected from bottom to top by an air inlet section 131, a rectifying section 132, a contracting section 133, a diffusing section 134, a water inlet section 135, a mixing chamber 136 and a nozzle 137; the air inlet section 131 is located at the bottom of the seat body 11, the nozzle 137 is located at the top of the protruding portion 12, and the water inlet hole 15 is arranged in the water inlet section 135.
In this embodiment, the water inlet holes 15 include a group of first water inlet holes 151 and a group of second water inlet holes 152; the included angle between the first water inlet hole 151 and the advancing direction of the air passage 13 is more than 90 degrees; the included angle between the second water inlet hole 152 and the advancing direction of the air passage 13 is less than 90 degrees; the first water inlet 151 and the second water inlet 152 are distributed in an annular array.
In this embodiment, a rubber seal ring is disposed between the front cover 2 and the protruding portion 12, and a rubber seal ring is also disposed at a contact portion between the front cover 2 and the seat body 11.
Example 2
A high efficiency atomizer for exhaust gas purification, as shown in FIGS. 4 to 8, includes a base 1 and a front cover 2; the base 1 is divided into a base body 11 at the bottom and a convex part 12 at the upper part, and the base body 11 and the convex part 12 are integrally connected; an air passage 13 is arranged in the base 1 and vertically penetrates through the base body 11 and the convex part 12; the front cover 2 is sleeved on the convex part 12, the space between the convex part 12 and the front cover 2 is a water storage cavity 3, and a water channel 14 penetrates through the seat body 11 and is communicated with the water storage cavity 3; a group of water inlet holes 15 are arranged to communicate the water storage cavity 3 with the air passage 13.
In this embodiment, the air passage 13 is sequentially connected from bottom to top by an air inlet section 131, a rectifying section 132, a contracting section 133, a diffusing section 134, a water inlet section 135, a mixing chamber 136 and a nozzle 137; the air inlet section 131 is located at the bottom of the seat body 11, the nozzle 137 is located at the top of the protruding portion 12, and the water inlet hole 15 is arranged in the water inlet section 135.
In this embodiment, the rectifying section 132 is a straight cylindrical channel with a diameter d and a length greater than 3 d; the constriction 133 constricts the diameter from d to 0.33d within a distance of 1.5 d; the diffuser section 134 expands the diameter from 0.33d to 0.67d within a distance of 1.3 d; the major diameter at the widest part of the mixing chamber 136 is 1.3 d; the rectifying section 132, the contracting section 133, the diffusing section 134 and the water inlet section 135 are connected in a smooth transition mode.
In this embodiment, the water inlet holes 15 include a group of first water inlet holes 151 and a group of second water inlet holes 152; the included angle between the first water inlet hole 151 and the advancing direction of the air passage 13 is more than 90 degrees; the included angle between the second water inlet hole 152 and the advancing direction of the air passage 13 is less than 90 degrees; the first water inlet 151 and the second water inlet 152 are distributed in an annular array.
In this embodiment, the first water inlet 151 and the second water inlet 152 are spirally distributed in an annular array, and the spiral directions are the same; the inner wall of the rectifying section 132 is provided with a screw thread, and the screw direction of the screw thread is opposite to that of the first water inlet hole 151.
In this embodiment, the aperture of the first water inlet 151 is larger at the end 3 of the water storage cavity and smaller at the end 135 of the water inlet section; the diameter of the second water inlet 152 is larger at the end 3 of the water storage cavity and smaller at the end 135 of the water inlet section.
In this embodiment, the surface of the diffusion section 134 is provided with annular grains, the cross section of the grains is in the shape of a sharp point, and the included angle between the direction of the sharp point and the advancing direction of the air passage 13 is greater than 90 °.
In this embodiment, the front cover 2 is connected to the boss 12 by screw-fitting.
In this embodiment, a rubber seal ring is disposed between the front cover 2 and the protruding portion 12, and a rubber seal ring is also disposed at a contact portion between the front cover 2 and the seat body 11.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications can be made without departing from the principles of the present invention, and these modifications should also be regarded as the protection scope of the present invention.
Claims (9)
1. The utility model provides a high efficiency atomizer for exhaust-gas purification which characterized in that: comprises a base (1) and a front cover (2); the base (1) is divided into a base body (11) at the bottom and a convex part (12) at the upper part, and the base body (11) and the convex part (12) are integrally connected; an air passage (13) is arranged in the base (1) and vertically penetrates through the base body (11) and the convex part (12); the front cover (2) is sleeved on the bulge part (12), the space between the bulge part (12) and the front cover (2) is a water storage cavity (3), and a water channel (14) penetrates through the seat body (11) and is communicated with the water storage cavity (3); a group of water inlet holes (15) are used for communicating the water storage cavity (3) with the air passage (13).
2. The high efficiency atomizer for the purification of exhaust gas according to claim 1, wherein: the air passage (13) is sequentially connected with an air inlet section (131), a rectifying section (132), a contraction section (133), a diffusion section (134), a water inlet section (135), a mixing chamber (136) and a nozzle (137) from bottom to top; the air inlet section (131) is positioned at the bottom of the seat body (11), the nozzle (137) is positioned at the top of the boss (12), and the water inlet hole (15) is arranged on the water inlet section (135).
3. The high efficiency atomizer for the purification of exhaust gas according to claim 2, wherein: the rectifying section (132) is a straight cylindrical channel with the diameter of d and the length of more than 3 d; the constriction (133) constricts the diameter from d to 0.33d within a distance of 1.5 d; the diffuser section (134) expands in diameter from 0.33d to 0.67d over a distance of 1.3 d; the major diameter of the widest part of the mixing chamber (136) is 1.3 d; the rectifying section (132), the contraction section (133), the diffusion section (134) and the water inlet section (135) are connected in a smooth transition mode.
4. The high efficiency atomizer for the purification of exhaust gas according to claim 2, wherein: the water inlet holes (15) comprise a group of first water inlet holes (151) and a group of second water inlet holes (152); the included angle between the first water inlet hole (151) and the advancing direction of the air passage (13) is more than 90 degrees; the included angle between the second water inlet hole (152) and the advancing direction of the air passage (13) is less than 90 degrees; the first water inlet holes (151) and the second water inlet holes (152) are distributed in an annular array.
5. The high efficiency atomizer for the purification of exhaust gas according to claim 4, wherein: the first water inlet holes (151) and the second water inlet holes (152) are spirally distributed in an annular array, and the spiral directions are the same; the inner wall of the rectifying section (132) is provided with threads, and the spiral direction of the threads is opposite to that of the first water inlet hole (151).
6. The high efficiency atomizer for the purification of exhaust gas according to claim 5, wherein: the aperture of the first water inlet hole (151) is large at the end of the water storage cavity (3) and small at the end of the water inlet section (135); the aperture of the second water inlet hole (152) is large at the end of the water storage cavity (3) and small at the end of the water inlet section (135).
7. The high efficiency atomizer for exhaust gas purification according to any one of claims 2 to 6, wherein: the surface of the diffusion section (134) is provided with annular grains, the cross sections of the grains are in a sharp-pointed shape, and the included angle between the orientation of the sharp-pointed shape and the advancing direction of the air passage (13) is larger than 90 degrees.
8. The high efficiency atomizer for the purification of exhaust gas according to claim 7, wherein: the front cover (2) is connected with the bulge part (12) through thread matching.
9. The high efficiency atomizer for the purification of exhaust gas according to claim 8, wherein: a rubber sealing ring is arranged between the front cover (2) and the bulge part (12), and a rubber sealing ring is also arranged at the contact part of the front cover (2) and the seat body (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922473573.7U CN211707135U (en) | 2019-12-31 | 2019-12-31 | A high efficiency atomizer for exhaust purification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922473573.7U CN211707135U (en) | 2019-12-31 | 2019-12-31 | A high efficiency atomizer for exhaust purification |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211707135U true CN211707135U (en) | 2020-10-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922473573.7U Active CN211707135U (en) | 2019-12-31 | 2019-12-31 | A high efficiency atomizer for exhaust purification |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211707135U (en) |
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2019
- 2019-12-31 CN CN201922473573.7U patent/CN211707135U/en active Active
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