CN208679490U - A kind of Dry ice cleaning nozzle with deflector - Google Patents
A kind of Dry ice cleaning nozzle with deflector Download PDFInfo
- Publication number
- CN208679490U CN208679490U CN201820821007.3U CN201820821007U CN208679490U CN 208679490 U CN208679490 U CN 208679490U CN 201820821007 U CN201820821007 U CN 201820821007U CN 208679490 U CN208679490 U CN 208679490U
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- China
- Prior art keywords
- deflector
- accelerating cavity
- section
- dry ice
- nozzle
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Abstract
The utility model discloses a kind of Dry ice cleaning nozzle with deflector, including nozzle entrance, jet expansion, transformation segment and accelerating cavity between nozzle entrance and jet expansion, the section in the channel of the accelerating cavity gradually broadens as flow field direction length increases, nozzle entrance is connect by the transformation segment with accelerating cavity, connect after the section of nozzle entrance to be converted to the channel of rectangular in form with realization for circular channel with the channel of accelerating cavity, the end connection section of the accelerating cavity is rectangular-shaped jet expansion, deflector is provided in the accelerating cavity, so as to be sprayed from after the former traffic direction of dry ice particles and air-flow deviation that transformation segment sprays in jet expansion.The utility model can make the dry ice particles distribution in nozzle exit more uniform, and the effective width of nozzle cleaning is bigger, and cleaning efficiency is higher.
Description
Technical field
The utility model relates to nozzle technology fields, and in particular to a kind of Dry ice cleaning nozzle with deflector.
Background technique
The currently used wide spray nozzle front end of Dry ice cleaning be all by hose convey dry ice particles, conveyance conduit section by
When circle is converted to the slender type section of nozzle, it will lead to dry ice particles and be unevenly distributed on nozzle cross-section, led in cleaning
It causes nozzle effective width too low, reduces cleaning efficiency.
Utility model content
The purpose of this utility model is to be directed to technological deficiency existing in the prior art, and provide a kind of dry with deflector
Ice washer jet can be such that dry ice particles are distributed in jet expansion more uniform, and the effective width of nozzle cleaning is bigger, thus
Further improve cleaning efficiency.
It is for technical solution used by realization the purpose of this utility model:
A kind of Dry ice cleaning nozzle with deflector, including nozzle entrance, jet expansion go out positioned at nozzle entrance and nozzle
Transformation segment and accelerating cavity between mouthful, the section in the channel of the accelerating cavity gradually become as flow field direction length increases
Nozzle entrance is connect by width, the transformation segment with accelerating cavity, is converted into the section of nozzle entrance for circular channel with realizing
Connecting behind rectangular-shaped channel with the channel of accelerating cavity, the end connection section of the accelerating cavity is rectangular-shaped jet expansion,
It is provided with deflector in the accelerating cavity, so as to spray after deviateing former traffic direction from the dry ice particles and air-flow that transformation segment sprays
Mouth outlet sprays.
The number of the deflector is at least two.
When the deflector is two, two deflectors are in the center in the section of the accelerating cavity in eight shape
Mirror surface is arranged symmetrically.
When the deflector is four, deflector described in every two is one group, in eight shape cutting with the accelerating cavity
The center in face is arranged symmetrically in mirror surface, one group in two groups of deflectors another group of upstream in downstream, and the deflector in downstream
The lower end that upper end is located at the deflector of upstream is formed by the middle part of the outer rim in fan section.
When the deflector is three, two deflectors are in the center in the section of the accelerating cavity in eight shape
Mirror surface is arranged symmetrically, another baffle arrangement is in the downstream of two deflectors, and a deflector is located at the accelerating cavity
Section center line on.
When the deflector is five, deflector described in every two is one group, in eight shape cutting with the accelerating cavity
The center in face is arranged symmetrically in mirror surface, one group in two groups of deflectors another group of upstream in downstream, and the deflector in downstream
The lower end that upper end is located at the deflector of upstream is formed by the middle part of the outer rim in fan section, the downstream cloth in two, downstream deflector
A deflector is set, and a deflector is located on the center line in the section of the accelerating cavity.
The utility model can make to be distributed more uniform, the effective width of nozzle cleaning in the dry ice particles of nozzle exit
Bigger, cleaning efficiency is higher.
Detailed description of the invention
Fig. 1 is the appearance schematic diagram of the Dry ice cleaning nozzle with deflector；
Fig. 2 is the schematic diagram of internal structure of the Dry ice cleaning nozzle with deflector；
Fig. 3 A, Fig. 3 B, Fig. 3 D are the arrangement schematic diagram of the deflector of three kinds of quantity respectively；
Fig. 3 C is the enlarged diagram of four baffle arrangements in Fig. 2；
Fig. 4 A is cleaning efficiency figure of the Dry ice cleaning nozzle with deflector on jet expansion length direction；
Fig. 4 B is cleaning efficiency figure of the conventional Dry ice cleaning nozzle on jet expansion length direction.
Specific embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.It should be appreciated that this place
The specific embodiment of description is only used to explain the utility model, is not used to limit the utility model.
Referring to shown in attached drawing, a kind of Dry ice cleaning nozzle with deflector, including nozzle entrance 1, jet expansion 2 are converted
Section 3, accelerating cavity 4, deflector 5, the compressed air for mixing dry ice particles enters nozzle by nozzle entrance 1, by turning
After changing section 3, subsequently into accelerating cavity 4, several deflectors 5 are placed in accelerating cavity 4, it can be by the gentle conductance of dry ice particles
Stream deviates former traffic direction, is distributed more evenly when jet expansion 2 sprays；Wherein, the channel cross-sectional shape of nozzle entrance 1 is
Section can be that rectangularity is converted in circular channel by circle, the transformation segment 3, and the section in the channel of accelerating cavity 4 is with stream
Field direction length increases and gradually broadens.Specifically, the vertical section shape of the accelerating cavity, is illustrated in figure 2 isosceles trapezoid shape,
Its cross section is rectangular-shaped structure, and the vertical section shape of the transformation segment 3 is illustrated in figure 2 isosceles trapezoid shape, the upper end
Channel cross section be round, lower end be it is rectangular-shaped, centre be transition passage.
Wherein, the number of the deflector 5 is generally symmetrical as mirror surface using the section among nozzle, can be 4,
It can be 5 or 3 etc., specific unlimited, the deflector can be welded on the accelerating cavity, the length direction of deflector
Two corresponding face contacts of two sides and accelerating cavity, and weld or be bonded.
Specifically, two deflectors are in eight shape with the section of the accelerating cavity when the deflector is two
Center be arranged symmetrically in mirror surface, as shown in Figure 3A.
Specifically, deflector described in every two is one group, in eight shape with the acceleration when the deflector is four
The center in the section of chamber is arranged symmetrically in mirror surface, and one group in two groups of deflectors is another group of upstream in downstream, and downstream is led
The lower end that the upper end of flowing plate is located at the deflector of upstream is formed by fan-shaped region, as shown in Figure 3 C.
Specifically, two deflectors are in eight shape with the section of the accelerating cavity when the deflector is three
Center be arranged symmetrically in mirror surface, and the upper end of the deflector in downstream is located at the lower end of the deflector of upstream and is formed by fan section
Outer rim in the middle part of, another baffle arrangement is in the downstream of two deflectors, and a deflector is located at the accelerating cavity
On the center line in section, as shown in Figure 3B.
Specifically, deflector described in every two is one group, in eight shape with the acceleration when the deflector is five
The center in the section of chamber is arranged symmetrically in mirror surface, and one group in two groups of deflectors is another group of upstream in downstream, and downstream is led
The lower end that the upper end of flowing plate is located at the deflector of upstream is formed by the middle part of the outer rim in fan section, in two, downstream deflector
One deflector of arranged downstream, and a deflector is located on the center line in the section of the accelerating cavity, as shown in Figure 3D.
The utility model proposes increase deflector 5 nozzle compared with the nozzle for not increasing deflector 5, dry ice particles exist
It is distributed more uniform on 2 length direction of jet expansion, the effective range of cleaning is wider, attached drawing 4A is seen, shown in 4B, wherein figure
In 4A, 4B, abscissa indicates the position on nozzle length direction, and 0 is the center on jet expansion length direction, and unit cm is indulged
The relative value of coordinate representation cleaning ability, unit %.
The utility model can make to be distributed more uniform, the effective width of nozzle cleaning in the dry ice particles of nozzle exit
Bigger, cleaning efficiency is higher.
The above is only the preferred embodiment of the utility model, it is noted that for the general of the art
For logical technical staff, without departing from the principle of this utility model, several improvements and modifications can also be made, these change
It also should be regarded as the protection scope of the utility model into retouching.
Claims (6)
1. a kind of Dry ice cleaning nozzle with deflector, which is characterized in that including nozzle entrance, jet expansion enters positioned at nozzle
Transformation segment and accelerating cavity between mouth and jet expansion, the section in the channel of the accelerating cavity is with the increase of flow field direction length
And gradually broaden, nozzle entrance is connect by the transformation segment with accelerating cavity, to realize that by the section of nozzle entrance be circular lead to
Connect behind the channel of road conversion rectangular in form with the channel of accelerating cavity, the end connection section of the accelerating cavity is rectangular-shaped spray
Mouth exports, and is provided with deflector in the accelerating cavity, so as to deviate former operation side from the dry ice particles and air-flow of transformation segment ejection
It is sprayed backward in jet expansion.
2. the Dry ice cleaning nozzle with deflector according to claim 1, which is characterized in that the number of the deflector is
At least two.
3. the Dry ice cleaning nozzle with deflector according to claim 2, which is characterized in that when the deflector is two
When, two deflectors are arranged symmetrically with the center in the section of the accelerating cavity in mirror surface in eight shape.
4. the Dry ice cleaning nozzle with deflector according to claim 2, which is characterized in that when the deflector is four
When, deflector described in every two is one group, is arranged symmetrically with the center in the section of the accelerating cavity in mirror surface in eight shape, two groups
One group in deflector another group of upstream in downstream, and the upper end of the deflector in downstream is located at the lower end institute of the deflector of upstream
In the middle part of the outer rim in the fan section of formation.
5. the Dry ice cleaning nozzle with deflector according to claim 2, which is characterized in that when the deflector is three
When, two deflectors are arranged symmetrically with the center in the section of the accelerating cavity in mirror surface in eight shape, another deflector
It is arranged in the downstream of two deflectors, and a deflector is located on the center line in the section of the accelerating cavity.
6. the Dry ice cleaning nozzle with deflector according to claim 2, which is characterized in that when the deflector is five
When, deflector described in every two is one group, is arranged symmetrically with the center in the section of the accelerating cavity in mirror surface in eight shape, two groups
One group in deflector another group of upstream in downstream, and the upper end of the deflector in downstream is located at the lower end institute of the deflector of upstream
In the middle part of the outer rim in the fan section of formation, one deflector of arranged downstream in two deflectors in downstream, and a deflector
On the center line in the section of the accelerating cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820821007.3U CN208679490U (en) | 2018-05-30 | 2018-05-30 | A kind of Dry ice cleaning nozzle with deflector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820821007.3U CN208679490U (en) | 2018-05-30 | 2018-05-30 | A kind of Dry ice cleaning nozzle with deflector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208679490U true CN208679490U (en) | 2019-04-02 |
Family
ID=65877718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820821007.3U Active CN208679490U (en) | 2018-05-30 | 2018-05-30 | A kind of Dry ice cleaning nozzle with deflector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208679490U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110369403A (en) * | 2019-07-15 | 2019-10-25 | 儒众智能科技（苏州）有限公司 | Dry ice cleaning nozzle, dry ice cleaner and anti-secondary pollution dry ice cleaning method |
| CN112404633A (en) * | 2019-08-21 | 2021-02-26 | 株式会社电装天 | Welding device |
-
2018
- 2018-05-30 CN CN201820821007.3U patent/CN208679490U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110369403A (en) * | 2019-07-15 | 2019-10-25 | 儒众智能科技（苏州）有限公司 | Dry ice cleaning nozzle, dry ice cleaner and anti-secondary pollution dry ice cleaning method |
| CN110369403B (en) * | 2019-07-15 | 2024-02-13 | 儒众智能科技（苏州）有限公司 | Dry ice cleaning nozzle, dry ice cleaning machine and secondary pollution prevention dry ice cleaning method |
| CN112404633A (en) * | 2019-08-21 | 2021-02-26 | 株式会社电装天 | Welding device |
| CN112404633B (en) * | 2019-08-21 | 2023-02-28 | 株式会社电装天 | Welding device |
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