CN109513538B - Angle blowing nozzle for condensing evaporator - Google Patents
Angle blowing nozzle for condensing evaporator Download PDFInfo
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- CN109513538B CN109513538B CN201910005234.8A CN201910005234A CN109513538B CN 109513538 B CN109513538 B CN 109513538B CN 201910005234 A CN201910005234 A CN 201910005234A CN 109513538 B CN109513538 B CN 109513538B
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- Prior art keywords
- nozzle
- hole
- nozzle hole
- guide plate
- angle
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/34—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl
- B05B1/3405—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl
- B05B1/341—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet
- B05B1/3415—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with swirl imparting inserts upstream of the swirl chamber
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/26—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with means for mechanically breaking-up or deflecting the jet after discharge, e.g. with fixed deflectors; Breaking-up the discharged liquid or other fluent material by impinging jets
- B05B1/262—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with means for mechanically breaking-up or deflecting the jet after discharge, e.g. with fixed deflectors; Breaking-up the discharged liquid or other fluent material by impinging jets with fixed deflectors
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Abstract
The invention discloses an angle blowing nozzle for a condensing evaporator, which comprises a nozzle body and a nozzle core, wherein the nozzle body is sequentially provided with a liquid inlet, a nozzle hole and a liquid outlet which are coaxially communicated along the axial direction; the nozzle core is arranged in the nozzle hole, and two rotary flow passages are formed on the inner walls of the nozzle core and the nozzle hole, so that liquid entering the two rotary flow passages is sprayed out of the liquid outlet hole in a conical film shape under the action of high pressure and rotation. The angle blowing nozzle has high spraying speed, large atomizing angle and high atomizing effect, and can cool the evaporator fast and effectively.
Description
Technical Field
The invention relates to the technical field of nozzles, in particular to an angle blowing nozzle for a condensing evaporator.
Background
The existing nozzles for condensing evaporators, such as the one named fan-shaped spray nozzle (publication number CN 205288742U), have complicated structure, large material consumption and complicated processing technique. The prior art has low cooling efficiency, mainly aims at ensuring a larger atomization angle under a certain spraying speed condition, has more concentrated spray energy, can cause the phenomenon of long range but narrow distribution, and influences the spraying range; too large an atomization angle, while increasing the mist distribution surface, greatly reduces the effective range and causes uneven mist distribution. The prior art can not effectively ensure that the pressure field and the speed field of the liquid outlet of the nozzle are uniformly distributed, and the spray shape can not be well controlled under the condition of cooling water turbulence, so that the spray is uneven.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, an object of the present invention is to provide an angle blowing nozzle for a condensing evaporator, which has a large spray speed, a large spray angle and a high-efficiency atomization effect of uniform spraying, so as to realize rapid and high-efficiency cooling of the evaporator.
The angle blowing nozzle for the condensing evaporator according to the embodiment of the invention comprises:
the nozzle body is sequentially provided with a liquid inlet, a nozzle hole and a liquid outlet which are coaxially communicated in the axial direction;
the nozzle core is arranged in the nozzle hole, and two rotary flow passages are formed on the inner wall of the nozzle core and the inner wall of the nozzle hole, so that liquid entering the two rotary flow passages is sprayed out from the liquid outlet hole in the shape of a conical film under the action of high pressure and rotation.
According to the angle blowing nozzle for the condensing evaporator, the nozzle core is arranged in the nozzle hole and forms two rotary flow passages with the inner wall of the nozzle hole, when high-pressure liquid enters the nozzle hole from the liquid inlet, the high-pressure liquid is divided into two liquid flows which are accelerated to enter the rotary flow passages to generate turbulent flow, and the water flows rotate along the inner wall of the nozzle hole to generate centrifugal force, so that the liquid forms an air core at the center under the action of high pressure and rotation, and meanwhile, the high pressure of the liquid can be converted into kinetic energy, so that the liquid is ejected from the liquid outlet at a high speed in a conical film mode. When the liquid is sprayed out, the cooling water is crushed into fine fog particles under the shearing action of surrounding gas, so that uniform spraying is realized. Therefore, the angle blowing nozzle has high spray speed, large spray angle and high-efficiency atomization effect of uniform spray, thereby being capable of cooling the evaporator quickly and efficiently.
According to one embodiment of the invention, the nozzle core comprises a partition plate, a first guide plate and a second guide plate, wherein the first guide plate and the second guide plate are arranged in a crossing manner, the outer side surfaces of the first guide plate and the second guide plate, which are away from each other, are respectively attached to the inner wall of the nozzle hole, the partition plate is connected to a part of one side of the crossing part of the first guide plate and the second guide plate, and the partition plate is positioned on the axial center section of the nozzle hole and between the crossing part of the first guide plate and the second guide plate and the liquid inlet, so that the partition plate, the first guide plate, the second guide plate and the inner wall of the nozzle hole jointly form the two rotary flow passages.
According to a further embodiment of the present invention, a first notch and a second notch are respectively provided on inner side surfaces of the first baffle and the second baffle close to each other, and the first notch and the second notch are located on the opposite side of the intersection.
According to a still further embodiment of the present invention, the first notch and the second notch are both semicircular notches.
Optionally, the diameter of the semicircular notch is 5 mm-8 mm.
According to one embodiment of the invention, the first and second deflectors have an inclination angle of 28 ° to 36 ° with respect to a radial cross section of the nozzle hole.
According to an embodiment of the invention, the diameter of the exit opening is smaller than the diameter of the nozzle opening.
According to a further embodiment of the invention, the nozzle holes comprise a first nozzle hole and a second nozzle hole in coaxial communication with each other, the first nozzle hole having a larger diameter than the second nozzle hole, the first nozzle hole being in communication with the liquid inlet and the second nozzle hole being in communication with the liquid outlet.
Optionally, the diameter of the first nozzle hole is 38mm, and the diameter of the second nozzle hole is 36mm.
Optionally, an annular transition slope surface is arranged at the joint of the second nozzle hole and the liquid outlet hole.
According to one embodiment of the invention, the part of the inner wall of the liquid outlet hole extending towards the end face of the liquid outlet hole is provided with an arc-shaped flaring.
According to a further embodiment of the invention, the diameter of the arc surface radian of the arc-shaped flaring is 10-12 mm, and the arc surface radian is 45-70 degrees.
According to one embodiment of the invention, the nozzle body and the nozzle core are both 304 stainless steel.
According to some embodiments of the invention, the depth dimension of the nozzle core from the liquid inlet is 60 mm-70 mm.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
fig. 1 is a schematic radial cross-sectional view of a corner blowing nozzle for a condensing evaporator according to an embodiment of the invention.
Fig. 2 is a schematic axial cross-sectional view of a corner blowing nozzle for a condensing evaporator according to an embodiment of the invention.
Fig. 3 is a schematic side view of a nozzle core of a corner blowing nozzle for a condensing evaporator according to an embodiment of the present invention.
Fig. 4 is a perspective view of an angle of a nozzle core of a corner blowing nozzle for a condensing evaporator according to an embodiment of the present invention.
Fig. 5 is another angular perspective view of the nozzle core of the angle blow nozzle for the condensing evaporator according to the embodiment of the present invention.
Fig. 6 is a schematic view showing a partial structure of a corner blowing group for a condensing evaporator according to an embodiment of the present invention.
Reference numerals:
angle blow nozzle 100
Nozzle body 1
Inlet 11 nozzle hole 12 first nozzle hole 121 second nozzle hole 122
Annular transition slope 1213 liquid outlet 13 arc flaring 131 arc 1311
Nozzle core 2
First notch 221 of first baffle 22 of partition 21 and second notch 231 of second baffle 23
Rotating runner 3
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the like or similar elements throughout or elements having the same or similar functions. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
A corner blowing nozzle 100 for a condensation evaporator according to an embodiment of the present invention will be described with reference to fig. 1 to 6.
As shown in fig. 1 to 6, the angle blow nozzle 100 for a condensing evaporator according to an embodiment of the present invention includes a nozzle body 1 and a nozzle core 2. The nozzle body 1 is sequentially provided with a liquid inlet 11, a nozzle hole 12 and a liquid outlet 13 which are coaxially communicated in the axial direction; the nozzle core 2 is disposed in the nozzle hole 12, and two rotary flow passages 3 are formed in the nozzle core 2 and the inner wall of the nozzle hole 12, so that the liquid entering the two rotary flow passages 3 is ejected from the liquid outlet hole 13 in the shape of a conical film under the action of high pressure and rotation.
Specifically, the radial cross-sections of the nozzle hole 12 and the liquid outlet hole 13 are both circular.
According to the angle blowing nozzle 100 for a condensing evaporator of the embodiment of the invention, since the nozzle core 2 is arranged in the nozzle hole 12 and forms two rotating flow channels 3 with the inner wall of the nozzle hole 12, when high-pressure liquid enters the nozzle hole 12 from the liquid inlet 11, the high-pressure liquid is divided into two flows to accelerate and enter the rotating flow channels 3 to generate turbulence, the water flows rotate along the inner wall of the nozzle hole 12 to generate centrifugal force, so that the liquid forms an air core at the center under the action of high pressure and rotation, and meanwhile, the high pressure of the liquid can be converted into kinetic energy, so that the liquid is ejected from the liquid outlet 13 in a conical film mode at high speed. When the liquid is sprayed out, the cooling water is crushed into fine fog particles under the shearing action of surrounding gas, so that uniform spraying is realized. Accordingly, the angle blow nozzle 100 has a large spray speed, a large spray angle, and an efficient atomization effect of uniform spraying, so that the evaporator can be cooled rapidly and efficiently.
According to one embodiment of the present invention, the nozzle core 2 includes a partition plate 21, a first baffle 22 and a second baffle 23, wherein the first baffle 22 and the second baffle 23 are disposed to cross, and outer side surfaces of the first baffle 22 and the second baffle 23 facing away from each other are respectively adhered to the inner wall of the nozzle hole 12, a portion of one side of the crossing of the first baffle 22 and the second baffle 23 is connected with the partition plate 21, and the partition plate 21 is located on the axial center section of the nozzle hole 12 and between the crossing of the first baffle 22 and the second baffle 23 and the liquid inlet 11, so that the partition plate 21, the first baffle 22, the second baffle 23 and the inner wall of the nozzle hole 12 together form two rotary flow passages 3. Therefore, when the high-pressure liquid enters the nozzle hole 12 from the liquid inlet 11, the high-pressure liquid is divided into two liquid flows to accelerate to enter the rotary flow channel 3 to generate turbulence, the water flows rotate along the inner wall of the nozzle hole 12 to generate centrifugal force, so that the liquid forms an air core at the center under the action of high pressure and rotation, and meanwhile, the high-pressure liquid can be converted into kinetic energy, so that the liquid is ejected from the liquid outlet 13 in a conical film mode at a high speed. When the liquid is sprayed out, the cooling water is crushed into fine fog particles under the shearing action of surrounding gas, so that uniform spraying is realized. Therefore, the angle blowing nozzle 100 realizes the effects of large-area uniform injection, efficient cooling and evaporation of cooling water, and has the advantages of simple structure, less material consumption, simple process, cost saving, high mechanical degree and low labor intensity.
According to an embodiment of the present invention, the first and second baffles 22 and 23 are provided with first and second notches 221 and 231, respectively, on inner side surfaces thereof which are close to each other, and the first and second notches 221 and 231 are located at the other side opposite to one side of the crossing. For example, alternatively, the first notch 221 and the second notch 231 are both semicircular notches; the diameter of the semicircular notch is 5 mm-8 mm. By providing the first notch 221 and the second notch 231, the liquid flow is broken, which is beneficial for forming a film of the liquid. The first notch 221 and the second notch 231 are semicircular notches, which are beneficial to forming a conical film for liquid flow.
According to one embodiment of the invention, the first deflector 22 and the second deflector 23 are inclined at an angle of 28 ° to 36 ° with respect to the radial cross section of the nozzle hole 12. Therefore, the first deflector 22 and the second deflector 23 have better deflector slopes, and the liquid rotary flow is in a better state.
According to one embodiment of the invention, the diameter of the outlet opening 13 is smaller than the diameter of the nozzle opening 12.
According to one embodiment of the present invention, the nozzle hole 12 includes a first nozzle hole 121 and a second nozzle hole 122 coaxially communicating with each other, the first nozzle hole 121 having a larger diameter than the second nozzle hole 122, the first nozzle hole 121 communicating with the liquid inlet 11, and the second nozzle hole 122 communicating with the liquid outlet 13. For example, the diameter of the first nozzle hole 121 may be selected to be 38mm and the diameter of the second nozzle hole 122 may be selected to be 36mm. Therefore, when the nozzle core 2 is placed into the nozzle hole 12 from the liquid inlet 11, the connecting part of the first nozzle hole 121 and the second nozzle hole 122 can resist the nozzle core 2, which is favorable for limiting the nozzle core 2, so as to ensure the depth distance from the nozzle core 2 to the liquid outlet, and a buffer transition process is provided before the liquid passes through the nozzle core 2.
According to a further embodiment of the invention, the connection of the second nozzle hole 122 with the outlet hole 13 is provided with an annular transition ramp surface 1213. By providing an annular transition ramp surface 1213, the resistance to the flowing liquid at the junction of the second nozzle hole 122 and the liquid outlet hole 13 is advantageously reduced.
According to one embodiment of the invention, the part of the inner wall of the tapping orifice 13 extending towards the end face of the tapping orifice 13 is provided with an arc-shaped flaring 131. By providing the arc-shaped flare 131, the angle of the liquid cone film can be controlled.
According to a further embodiment of the present invention, the diameter of the arc surface 1311 at the arc-shaped flare 131 is 10 mm-12 mm, and the arc surface 1311 radian is 45 ° to 70 °. Therefore, the angle range of the liquid conical film is in a preferred range, and the conical film with the cone angle of about 120 degrees can be produced, so that the spraying speed is high and the spraying coverage range is large.
According to one embodiment of the invention, the nozzle body 1 and the nozzle core 2 are both 304 stainless steel. The nozzle body 1 and the nozzle core 2 are made of 304 stainless steel, and are pressure-resistant, corrosion-resistant and low in cost.
According to some embodiments of the invention, the depth dimension of the nozzle core 2 from the liquid inlet 11 is 60mm to 70mm. Thereby, there is a buffer transition before the liquid passes through the nozzle core 2.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the invention, the scope of which is defined by the claims and their equivalents.
Claims (13)
1. A corner blowing nozzle for a condensing evaporator, comprising:
the nozzle body is sequentially provided with a liquid inlet, a nozzle hole and a liquid outlet which are coaxially communicated in the axial direction, and the radial sections of the nozzle hole and the liquid outlet are circular;
the nozzle core is arranged in the nozzle hole, and two rotary flow passages are formed on the nozzle core and the inner wall of the nozzle hole, so that liquid entering the two rotary flow passages is sprayed out of the liquid outlet hole in a conical film shape under the action of high pressure and rotation;
the nozzle core comprises a partition plate, a first guide plate and a second guide plate, wherein the first guide plate and the second guide plate are arranged in a crossing mode, the outer side surfaces of the first guide plate and the second guide plate, which are away from each other, are respectively attached to the inner wall of the nozzle hole, one side of the crossing part of the first guide plate and the second guide plate is connected with the partition plate, the partition plate is located on the axial center section of the nozzle hole, and is located between the crossing part of the first guide plate and the second guide plate and the liquid inlet, so that the partition plate, the first guide plate, the second guide plate and the inner wall of the nozzle hole jointly form two rotary flow passages.
2. The angle blow nozzle for a condensing evaporator according to claim 1, wherein a first notch and a second notch are provided on inner side surfaces of said first baffle and said second baffle which are close to each other, respectively, and said first notch and said second notch are located on the opposite side of said intersection.
3. The angle blow nozzle for a condensing evaporator of claim 2, wherein said first notch and said second notch are semi-circular notches.
4. The angle blow nozzle for a condensation evaporator according to claim 3, wherein the semicircular notch has a diameter of 5mm to 8mm.
5. The angle blow nozzle for a condensing evaporator according to claim 1, wherein the first deflector and the second deflector have an inclination angle of 28 ° to 36 ° with respect to a radial cross section of said nozzle hole.
6. The angle blow nozzle for a condensing evaporator according to claim 1, wherein said liquid outlet hole has a diameter smaller than that of said nozzle hole.
7. The angle blow nozzle for a condensing evaporator of claim 6, wherein said nozzle holes comprise a first nozzle hole and a second nozzle hole in coaxial communication with each other, said first nozzle hole having a diameter greater than a diameter of said second nozzle hole, said first nozzle hole in communication with said liquid inlet and said second nozzle hole in communication with said liquid outlet.
8. The angle blow nozzle for a condensing evaporator according to claim 7, wherein said first nozzle hole has a diameter of 38mm and said second nozzle hole has a diameter of 36mm.
9. The angle blow nozzle for a condensing evaporator of claim 7, wherein said second nozzle orifice is provided with an annular transition ramp surface at the junction with said exit orifice.
10. The angle blow nozzle for a condensing evaporator according to claim 1, wherein the portion of the inner wall of said liquid outlet hole extending toward the end face of said liquid outlet hole is provided with an arc-shaped flare.
11. The angle blow nozzle for a condensation evaporator according to claim 10, wherein the arc diameter of the arc-shaped flaring is 10 mm-12 mm, and the arc is 45 ° to 70 °.
12. The angle blow nozzle for a condensing evaporator according to claim 1, wherein said nozzle body and nozzle core are each 304 stainless steel.
13. The angle blow nozzle for a condensation evaporator according to claim 1, wherein the depth dimension of the nozzle core from the liquid inlet is 60mm to 70mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910005234.8A CN109513538B (en) | 2019-01-03 | 2019-01-03 | Angle blowing nozzle for condensing evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910005234.8A CN109513538B (en) | 2019-01-03 | 2019-01-03 | Angle blowing nozzle for condensing evaporator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109513538A CN109513538A (en) | 2019-03-26 |
| CN109513538B true CN109513538B (en) | 2024-01-12 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910005234.8A Active CN109513538B (en) | 2019-01-03 | 2019-01-03 | Angle blowing nozzle for condensing evaporator |
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| CN (1) | CN109513538B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112057788A (en) * | 2020-08-05 | 2020-12-11 | 国网湖南省电力有限公司 | Wing-shaped spray head and transformer spray fire extinguishing system |
| CN113019728B (en) * | 2021-02-16 | 2023-01-06 | 河津市龙门炭黑有限公司 | Secondary atomized raw oil nozzle for carbon black production |
| CN113680547A (en) * | 2021-08-31 | 2021-11-23 | 西安交通大学 | Atomizing head core structure for reactor voltage stabilizer |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006055716A (en) * | 2004-08-18 | 2006-03-02 | Fujimori Gijutsu Kenkyusho:Kk | Three fluid nozzle |
| TW200944173A (en) * | 2008-04-23 | 2009-11-01 | Food Maid Co Ltd | Environmentally friendly and energy saving automatic dish washing and drying machine |
| CN102478363A (en) * | 2010-11-30 | 2012-05-30 | Spx冷却技术公司 | Jet flow generation method and apparatus |
| CN103381398A (en) * | 2013-08-08 | 2013-11-06 | 天津市美好生活科技有限公司 | Inside-mixing atomizing nozzle device |
| CN104874498A (en) * | 2015-05-11 | 2015-09-02 | 山东科技大学 | High-low pressure and internal-external hybrid air atomizing nozzle |
| CN205550008U (en) * | 2016-04-01 | 2016-09-07 | 赵晗拓 | Absorption tower |
-
2019
- 2019-01-03 CN CN201910005234.8A patent/CN109513538B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006055716A (en) * | 2004-08-18 | 2006-03-02 | Fujimori Gijutsu Kenkyusho:Kk | Three fluid nozzle |
| TW200944173A (en) * | 2008-04-23 | 2009-11-01 | Food Maid Co Ltd | Environmentally friendly and energy saving automatic dish washing and drying machine |
| CN102478363A (en) * | 2010-11-30 | 2012-05-30 | Spx冷却技术公司 | Jet flow generation method and apparatus |
| CN103381398A (en) * | 2013-08-08 | 2013-11-06 | 天津市美好生活科技有限公司 | Inside-mixing atomizing nozzle device |
| CN104874498A (en) * | 2015-05-11 | 2015-09-02 | 山东科技大学 | High-low pressure and internal-external hybrid air atomizing nozzle |
| CN205550008U (en) * | 2016-04-01 | 2016-09-07 | 赵晗拓 | Absorption tower |
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| CN109513538A (en) | 2019-03-26 |
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