CN219897622U - Solid urea spray gun - Google Patents
Solid urea spray gun Download PDFInfo
- Publication number
- CN219897622U CN219897622U CN202321167429.0U CN202321167429U CN219897622U CN 219897622 U CN219897622 U CN 219897622U CN 202321167429 U CN202321167429 U CN 202321167429U CN 219897622 U CN219897622 U CN 219897622U
- Authority
- CN
- China
- Prior art keywords
- steel pipe
- hollow steel
- opening
- spray gun
- inclined plate
- 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
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title claims abstract description 31
- 239000004202 carbamide Substances 0.000 title claims abstract description 31
- 239000007921 spray Substances 0.000 title claims abstract description 25
- 239000007787 solid Substances 0.000 title claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 39
- 239000010959 steel Substances 0.000 claims abstract description 39
- 238000007789 sealing Methods 0.000 description 5
- 239000000428 dust Substances 0.000 description 3
- 239000000779 smoke Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Nozzles (AREA)
Abstract
The utility model relates to a solid urea spray gun which comprises a hollow steel pipe, wherein the front end of the hollow steel pipe is provided with an inclined plate, an opening with an included angle smaller than or equal to 90 degrees is arranged on the hollow steel pipe at the inner side of the inclined plate, the longitudinal section of the opening is trapezoid, the upper end of the opening is lower than the central line of the hollow steel pipe, the rear end of the hollow steel pipe is provided with a connecting flange, and the lower end point of the inclined plate is not lower than the lower straight line of the longitudinal section of the hollow steel pipe. The inclined plate can reflect the injected urea, and the large-angle opening can diffuse the injected urea.
Description
Technical Field
The utility model relates to a spray gun, in particular to a solid urea spray gun.
Background
In the traditional denitration system, the solid urea spray gun adopts the form of a sealed rear side surface opening of a steel pipe end surface sealing plate, the spray angle of the spray gun in the form is small and uneven, urea is gasified and then cannot fully contact with smoke dust, and the dosage of urea is increased while the denitration efficiency is influenced.
Disclosure of Invention
The utility model aims to: the utility model aims to overcome the defects in the prior art, and provides a solid urea spray gun with a sloping plate which can reflect sprayed urea and a large-angle opening which can diffuse the sprayed urea.
The technical scheme is as follows: in order to solve the technical problems, the solid urea spray gun comprises a hollow steel pipe, wherein the front end of the hollow steel pipe is provided with an inclined plate, an opening with an included angle smaller than or equal to 90 degrees is arranged on the hollow steel pipe at the inner side of the inclined plate, the longitudinal section of the opening is trapezoid, the upper end of the opening is lower than the central line of the hollow steel pipe, the rear end of the hollow steel pipe is provided with a connecting flange, and the lower end point of the inclined plate is not lower than the lower straight line of the longitudinal section of the hollow steel pipe.
Further, the included angle of the openings is 90 degrees.
Further, the opening is disposed downward.
Further, the included angle between the inclined plate and the lower straight line of the longitudinal section of the hollow steel pipe is smaller than 90 degrees.
Further, the lower end point of the inclined plate is arranged on the lower straight line of the longitudinal section of the hollow steel pipe.
The beneficial effects are that: compared with the prior art, the utility model has the remarkable advantages that:
the nozzle end sealing plate is set to be the inclined plate, the included angle of the opening part is less than or equal to 90 degrees, the inclined plate can reflect injected urea, the large-angle opening can diffuse the injected urea, the spray gun can effectively increase the urea distribution area, so that the contact area between smoke dust and gasified urea is increased, and the dosage of urea is reduced while the denitration efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of an arrangement of openings in the present utility model;
fig. 3 is a schematic view of the structure of a prior art spray gun.
Detailed Description
The utility model is further described below with reference to the drawings and examples.
Example 1
As shown in fig. 1 and 2, the solid urea spray gun of the utility model comprises a hollow steel pipe 1, wherein the front end of the hollow steel pipe 1 is provided with a sloping plate 2, the included angle between the sloping plate 2 and the lower straight line of the longitudinal section of the hollow steel pipe 1 is 45 degrees, an opening 3 with an included angle of 90 degrees is arranged on the hollow steel pipe 1 inside the sloping plate 2, the opening 3 is arranged downwards, the longitudinal section of the opening 3 is trapezoid, the upper end of the opening 3 is lower than the central line of the hollow steel pipe 1, the rear end of the hollow steel pipe 1 is provided with a connecting flange 4, and the lower end point of the sloping plate 2 is arranged on the lower straight line of the longitudinal section of the hollow steel pipe 1.
Example 2
As shown in fig. 1, the solid urea spray gun comprises a hollow steel pipe 1, wherein an inclined plate 2 is arranged at the front end of the hollow steel pipe 1, an included angle between the inclined plate 2 and a lower straight line of the longitudinal section of the hollow steel pipe 1 is 30 degrees, an opening 3 with an included angle of 80 degrees is arranged on the hollow steel pipe 1 at the inner side of the inclined plate 2, the opening 3 is arranged downwards, the longitudinal section of the opening 3 is trapezoid, the upper end of the opening 3 is lower than the central line of the hollow steel pipe 1, a connecting flange 4 is arranged at the rear end of the hollow steel pipe 1, and the lower end point of the inclined plate 2 exceeds the lower straight line of the longitudinal section of the hollow steel pipe 1.
As shown in fig. 3, the existing solid urea spray gun adopts a form of sealing a rear side opening by a steel pipe end face sealing plate, the spray angle of the spray gun is small and uneven,
according to the spray gun, the end sealing plate of the spray nozzle is arranged to be the inclined plate, the included angle of the opening is less than or equal to 90 degrees, the inclined plate can reflect sprayed urea, the large-angle opening can diffuse sprayed urea, the spray gun can effectively increase the urea distribution area, so that the contact area between smoke dust and gasified urea is increased, the denitration efficiency is improved, and meanwhile, the consumption of urea is reduced.
The present utility model provides a method and a thought, and a method for implementing the technical scheme are numerous, the above description is only a preferred embodiment of the present utility model, and it should be noted that, for those skilled in the art, several improvements and modifications can be made, and these improvements and modifications should also be regarded as protection scope of the present utility model, and each component that is not explicitly described in the present embodiment can be implemented by the prior art.
Claims (5)
1. Solid urea spray gun, its characterized in that: the novel steel pipe structure comprises a hollow steel pipe (1), wherein an inclined plate (2) is arranged at the front end of the hollow steel pipe (1), an opening (3) with an included angle smaller than or equal to 90 degrees is formed in the hollow steel pipe (1) on the inner side of the inclined plate (2), the longitudinal section of the opening (3) is trapezoid, the upper end of the opening (3) is lower than the central line of the hollow steel pipe (1), a connecting flange (4) is arranged at the rear end of the hollow steel pipe (1), and the lower end point of the inclined plate (2) is not lower than the lower straight line of the longitudinal section of the hollow steel pipe (1).
2. The solid urea spray gun of claim 1 wherein: the included angle of the opening (3) is 90 degrees.
3. The solid urea spray gun of claim 1 wherein: the opening (3) is arranged downwards.
4. The solid urea spray gun of claim 1 wherein: the included angle between the inclined plate (2) and the lower straight line of the longitudinal section of the hollow steel pipe (1) is smaller than 90 degrees.
5. The solid urea spray gun of claim 1 wherein: the lower end point of the inclined plate (2) is arranged on the lower straight line of the longitudinal section of the hollow steel pipe (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321167429.0U CN219897622U (en) | 2023-05-16 | 2023-05-16 | Solid urea spray gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321167429.0U CN219897622U (en) | 2023-05-16 | 2023-05-16 | Solid urea spray gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219897622U true CN219897622U (en) | 2023-10-27 |
Family
ID=88462966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321167429.0U Active CN219897622U (en) | 2023-05-16 | 2023-05-16 | Solid urea spray gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219897622U (en) |
-
2023
- 2023-05-16 CN CN202321167429.0U patent/CN219897622U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |