CN219766127U - Hole cleaning dry ice nozzle - Google Patents
Hole cleaning dry ice nozzle Download PDFInfo
- Publication number
- CN219766127U CN219766127U CN202320286086.3U CN202320286086U CN219766127U CN 219766127 U CN219766127 U CN 219766127U CN 202320286086 U CN202320286086 U CN 202320286086U CN 219766127 U CN219766127 U CN 219766127U
- Authority
- CN
- China
- Prior art keywords
- air passage
- spray pipe
- outlet
- dry ice
- nozzle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 26
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims abstract description 25
- 235000011089 carbon dioxide Nutrition 0.000 title claims abstract description 25
- 239000007921 spray Substances 0.000 claims abstract description 30
- 230000000694 effects Effects 0.000 abstract description 4
- 239000002245 particle Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000005507 spraying Methods 0.000 description 3
- 238000010288 cold spraying Methods 0.000 description 1
- 238000005108 dry cleaning Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Cleaning In General (AREA)
- Nozzles (AREA)
Abstract
A dry ice nozzle for cleaning holes comprises a nozzle inlet body, a first spray pipe, a second spray pipe, an outlet guide cover and an outlet guide body; the nozzle inlet body, the first spray pipe, the second spray pipe, the outlet guide cover and the outlet guide body are detachably connected in sequence; the nozzle inlet body is internally provided with a first air passage along the axis, the first spray pipe is internally provided with a second air passage along the axis, the second spray pipe is internally provided with a third air passage along the axis, the outlet guide cover and the outlet guide body are arranged at intervals inside and outside and form an annular outlet, and the annular outlet is communicated with the third air passage; the cross sections of the first air passage and the second air passage are gradually reduced. The dry ice nozzle for cleaning the holes can improve the efficiency and effect of cleaning the holes.
Description
Technical Field
The utility model relates to a nozzle, in particular to a dry ice nozzle for cleaning holes.
Background
Dry ice cleaning is also called cold spraying technology, and is a dry cleaning technology. The compressed air is used as power and a carrier, and low Wen Ganbing particles are sprayed onto the surface of a cleaned workpiece at a high speed through special equipment, so that the purposes of cleaning greasy dirt, rust, impurities and hard particles are achieved. The nozzle is used as a key component of a dry ice cleaning technology, the cleaning effect can be directly influenced by a design structure of the dry ice cleaning technology, the dry ice nozzle for cleaning holes on the market at present is generally in a fixed direction and has a small spraying angle, the cleaning breadth after spraying is narrow, and the cleaning efficiency is low.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a dry ice nozzle for cleaning holes, which has large spraying angle and annular distribution and improves cleaning efficiency.
In order to solve the technical problems, the utility model adopts the following technical scheme:
a dry ice nozzle for cleaning holes comprises a nozzle inlet body, a first spray pipe, a second spray pipe, an outlet guide cover and an outlet guide body;
the nozzle inlet body, the first spray pipe, the second spray pipe, the outlet guide cover and the outlet guide body are detachably connected in sequence;
the nozzle inlet body is internally provided with a first air passage along the axis, the first spray pipe is internally provided with a second air passage along the axis, the second spray pipe is internally provided with a third air passage along the axis, the outlet guide cover and the outlet guide body are arranged at intervals inside and outside and form an annular outlet, and the annular outlet is communicated with the third air passage;
the cross sections of the first air passage and the second air passage are gradually reduced.
An angle alpha is formed between a tangent line of the bottom of the outlet fluid director, which is close to one side of the annular outlet, and a horizontal plane.
And a split grid is arranged at one end, close to the outlet guide cover, in the second spray pipe.
The dry ice nozzle for cleaning the holes has the following technical effects:
1) And the speed of compressed gas is increased through the first air passage and the second air passage which are gradually reduced, the kinetic energy of dry ice is increased, and the cleaning effect is improved.
2) The common dry ice nozzles for hole cleaning are flat rectangular outlets, and 2 track methods are mainly adopted during cleaning: or the nozzle enters the hole and then is cleaned layer by layer in a rotating way; or from the orifice all the way to the bottom of the hole and then rotated a certain angle from the orifice to the bottom of the hole. The annular outlet formed by the outlet guide cover and the outlet guide body can circumferentially clean the hole wall, and the annular nozzle can be cleaned from the hole opening to the hole bottom only once, so that the efficiency is improved.
Drawings
The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:
fig. 1 is a front view of the present utility model.
Fig. 2 is an exploded view of the present utility model.
Fig. 3 is a longitudinal cross-sectional view of the present utility model.
Fig. 4 is a cross-sectional view at B in fig. 1.
Fig. 5 is an enlarged view of a portion of the outlet baffle of the present utility model.
In the figure: the nozzle inlet body 1, the first air passage 10, the first flange plate 11, the external screw thread 12, the first spray pipe 2, the second air passage 20, the second air passage outlet 201, the second flange plate 21, the second spray pipe 3, the third air passage 30, the split grid 31, the outlet guide cover 4 and the outlet guide body 5.
Detailed Description
As shown in fig. 1-2, the dry ice nozzle for cleaning holes mainly comprises a nozzle inlet body 1, a first spray pipe 2, a second spray pipe 3, an outlet guide cover 4 and an outlet guide body 5.
As shown in fig. 3 to 4, one end of the nozzle inlet body 1 is connected with a dry ice machine pipeline through an external thread 12 for supplying dry ice particles and compressed air, and the other end of the nozzle inlet body 1 is connected with a second flange 21 of the first spray pipe 2 through a first flange 11. The tail end of the first spray pipe 2 is in threaded connection with one end of the second spray pipe 3, and the other end of the second spray pipe 3 is in threaded connection with the outlet guide cover 4 and the outlet guide body 5. The outlet guide cover 4 and the outlet guide body 5 are arranged at intervals inside and outside and form an annular outlet (shown by H in the figure), and the bottom angle of the outlet guide body 5 is alpha, so that the mixture of dry ice and compressed air is easier to discharge.
A first air passage 10 is arranged in the nozzle inlet body 1 along the axial direction, a second air passage 20 is arranged in the first spray pipe 2 along the axial direction, and a third air passage 30 is arranged in the second spray pipe 3 along the axial direction, wherein the whole cross section of the first air passage 10 is gradually reduced, the cross section of the front part of the second air passage 20 is gradually reduced, and the cross section of the rear part of the second air passage 20 is kept unchanged.
The mixture of compressed air and dry ice particles enters the second air passage 20 through the first air passage 10 with the cross section gradually reduced, the mixture is accelerated to the supersonic speed to enter the third air passage 30 in the second air passage 20 with the cross section gradually reduced, and finally the mixture of compressed air and dry ice particles is ejected through the annular outlet formed by the outlet air guide cover 4 and the outlet guide body 5.
As shown in fig. 5, the flow dividing grill 31 in the second nozzle 3 has the functions of dividing and preventing clogging by dry ice.
By using the nozzle, through the design of the first air passage 10 and the second air passage 20, dry ice particles are accelerated twice; on the other hand, the annular outlet formed by the outlet dome 4 and the outlet baffle 5 is effective for cleaning the holes.
Claims (3)
1. A dry ice nozzle for hole cleaning, characterized in that: comprises a nozzle inlet body (1), a first spray pipe (2), a second spray pipe (3), an outlet air guide sleeve (4) and an outlet air guide body (5);
the nozzle inlet body (1), the first spray pipe (2), the second spray pipe (3), the outlet guide cover (4) and the outlet guide body (5) are detachably connected in sequence;
the inner edge of the nozzle inlet body (1) is provided with a first air passage (10) along the axis, the inner edge of the first spray pipe (2) is provided with a second air passage (20) along the axis, the inner edge of the second spray pipe (3) is provided with a third air passage (30), the outlet guide cover (4) and the outlet guide body (5) are arranged at intervals inside and outside to form an annular outlet, and the annular outlet is communicated with the third air passage (30);
the cross sections of the first air passage (10) and the second air passage (20) are gradually reduced.
2. A hole cleaning dry ice nozzle as claimed in claim 1, wherein: an angle alpha is formed between a tangent line of the bottom of the outlet guide body (5) near one side of the annular outlet and the horizontal plane.
3. A hole cleaning dry ice nozzle as claimed in claim 1, wherein: and a diversion grid (31) is arranged at one end, close to the outlet air guide sleeve (4), in the second spray pipe (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320286086.3U CN219766127U (en) | 2023-02-22 | 2023-02-22 | Hole cleaning dry ice nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320286086.3U CN219766127U (en) | 2023-02-22 | 2023-02-22 | Hole cleaning dry ice nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219766127U true CN219766127U (en) | 2023-09-29 |
Family
ID=88136120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320286086.3U Active CN219766127U (en) | 2023-02-22 | 2023-02-22 | Hole cleaning dry ice nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219766127U (en) |
-
2023
- 2023-02-22 CN CN202320286086.3U patent/CN219766127U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |