CN218581680U - Cylindrical turbulence structure with spherical crown for catalyst and turbulence device - Google Patents
Cylindrical turbulence structure with spherical crown for catalyst and turbulence device Download PDFInfo
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- CN218581680U CN218581680U CN202222653847.2U CN202222653847U CN218581680U CN 218581680 U CN218581680 U CN 218581680U CN 202222653847 U CN202222653847 U CN 202222653847U CN 218581680 U CN218581680 U CN 218581680U
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Abstract
The application provides a cylindrical turbulent flow structure with a spherical crown for a catalytic converter, which comprises an elongated metal foil, wherein the elongated metal foil comprises a straight long edge, a curved long edge and two wide edges perpendicular to the straight long edge; the folds of the metal foil form wavy sawtooth stripes, and the directions of the wavy sawtooth stripes are vertical to the straight long sides; the two wide sides comprise a long wide side and a short wide side, the curved long side is a curve extending from the long wide side to the short wide side, the folded metal foil is coiled along the straight long side from the long wide side to the short wide side, and a cylindrical honeycomb structure with a spherical crown is formed, wherein the straight long side is used as a cylindrical bottom surface, the wide side is used as a cylindrical side surface, and the curved long side is used as a spherical crown at the top of the cylinder. The application provides a base structure of a flow perturbation device which can be produced in a batch process and has an optimized shape.
Description
Technical Field
The application relates to the field of structures of catalytic converter turbulent flow devices, in particular to a cylindrical turbulent flow structure with a spherical crown for a catalytic converter.
Background
According to the case of the turbulent flow pre-burning mechanism and the turbulent flow catalytic converter assembly containing the same of the application patent No. 202011261042.2 and the turbulent flow device of the patent No. 202122876952.8, the method for controlling the velocity distribution of the fluid flowing in the pipeline is shown in the two patents, the conversion efficiency of the catalytic converter is proved in the physical verification, the manufacturing process of the components in the turbulent flow device is carried out according to the structural requirements of the turbulent flow device in the two patents, but the required structure of the catalytic converter assembly is a columnar honeycomb structure with a spherical crown for achieving the required turbulent flow effect, the structure is different from the catalytic converter manufactured by the current mass production process, and the mass production and the commercialization by the current industrial production means can not be realized, so a new structure is needed to solve the industrial mass production and can also meet the process requirements of the two patents.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, the present application provides a cylindrical turbulent flow structure with a spherical crown for a catalyst, which includes an elongated metal foil, wherein the elongated metal foil includes a straight long side, a curved long side, and two wide sides perpendicular to the straight long side;
the metal foil is folded to form a wavy sawtooth stripe, and the direction of the wavy sawtooth stripe is vertical to the straight long edge;
the two broadsides comprise a long broadside and a short broadside, the curved long side is a curve extending from the long broadside to the short broadside, the folded metal foil is coiled along the straight long side from the long broadside to the short broadside, and a cylindrical honeycomb structure with a spherical crown can be formed by taking the straight long side as a cylindrical bottom surface, taking the broadside as a cylindrical side surface and taking the curved long side as a spherical crown at the cylindrical top.
Preferably, the wavy sawtooth stripes are uniformly distributed on the metal foil.
Preferably, the width and the height of the wavy sawtooth stripes are the same.
Preferably, the slope of the point on the curved long side is set according to the required size of the spherical cap.
Wherein, the thickness of the metal foil is preferably 0.05mm-0.1mm.
Preferably, the length difference between the long wide side and the short wide side is 2-10 mm.
Preferably, the cylindrical turbulent flow structure with the spherical crown formed after coiling comprises a cylinder and a spherical crown body at the top end of the cylinder, and the long wide edge is taken as the center of the spherical crown body.
Preferably, the spherical height of the spherical cap body is the difference between the long broadside and the short broadside, and the length of the short broadside is the height of the cylinder.
The application still provides a use as above a take vortex device of spherical cap column vortex structure for catalyst converter, wherein, vortex device still includes the protective layer, the protective layer ring cover is in take the cylindrical side at spherical cap column vortex structure's broadside place, vortex device fixes on the air inlet of catalyst converter.
The beneficial effect that this application realized as follows:
the method can be used for industrially producing a large number of honeycomb structural bodies with multi-roll curved surface appearances, and solves the problems that the existing manufacturing process only can manufacture a metal honeycomb structure with two cylindrical ends as planes, but creates a non-planar process with two cylindrical ends, so that the non-planar structure can meet the requirements of the two patents. The rectangular metal foil is cut to form a folded foil formed by a straight long edge, a wide edge and a curved long edge, and the rectangular metal foil is cut according to the size numerical value of the straight long edge, the size numerical value of the short wide edge and the numerical value of the slope condition of the curved long edge of the unfolded two-dimensional foil, so that the turbulent flow structure shape capable of realizing rapid batch production and effectively performing air flow disturbance is formed.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art according to the drawings.
Fig. 1 is a structural view of an elongated metal foil according to the present application.
Fig. 2 is a structural view of the long metal foil which is rolled to form a spherical cap-shaped column.
Fig. 3 is a structural diagram of a flow perturbation device using the cylindrical structure with spherical cap of the present application.
Fig. 4 is a side view of the spoiler of fig. 3.
Fig. 5 isbase:Sub>A cross-sectional viewbase:Sub>A-base:Sub>A of fig. 4.
Fig. 6 is a structural view showing a case where the shape of a metal foil is not changed in the related art.
Detailed Description
The technical solutions in the embodiments of the present application are clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments obtained by a person skilled in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.
The application provides a cylindrical turbulence structure with a spherical crown for a catalytic converter, which comprises an elongated metal foil 1 with a very thin thickness, wherein the elongated metal foil 1 comprises a straight long edge 11 with a straight line shape, a curved long edge 12 with a curved shape, and two wide edges vertical to the straight long edge 11, and comprises a long wide edge 13 and a short wide edge 14; the thickness of the strip-shaped metal foil 1 is uniform and is about 0.05mm-0.1mm.
The long strip-shaped metal foil 1 is folded to form wavy saw-tooth stripes 15 perpendicular to the straight long sides 11, and the wavy saw-tooth stripes are uniformly distributed on the long strip-shaped metal foil 1.
The two wide sides comprise a long wide side 13 and a short wide side 14, wherein the length difference between the long wide side and the short wide side is 2-10 mm.
As can be seen from fig. 2, the curved long side 12 is a curve extending from the long broad side 13 to the short broad side 14, and the slope of a point on the curve can be determined according to the size of the spherical cap body required by the turbulent flow structure of the present application.
The uniformly-wrinkled metal foil 1 is coiled from the long wide side 13 to the short wide side 14 along the straight long side 11, so that a cylindrical honeycomb structure with a spherical cap, in which the straight long side 11 is used as a bottom surface, the two wide sides are used as cylindrical side surfaces, and the curved long side is used as a spherical cap, can be formed.
As shown in fig. 3, fig. 4, fig. 5, be this application take spherical cap column vortex structure as the part in the vortex device when using, the vortex device still includes protective layer 2, 2 ring covers of protective layer are in the cylinder side that the broadside of taking spherical cap column vortex structure formed, will use the vortex device of taking spherical cap column vortex structure fixes on the air inlet of catalyst converter, can effectually carry out the air current disturbance, improve the catalytic efficiency of catalyst converter, and the pipe shell length of protective layer 2 is greater than the height that spherical cap body structure can protect convex structure body and avoid colliding the damage in manufacturing, transportation and the storage process.
In the specific implementation mode, because the required flow disturbing structure in the flow disturbing device is a cylindrical structure with a spherical crown at the top end, in the prior art, in order to obtain a proper spherical crown part, one end of a cylindrical honeycomb material needs to be directly cut as required, however, in the actual cutting process, it is found that the operation is difficult to be completed in the process, that is, the final spherical cap structure to be obtained is difficult to be completed in the process cutting, the consumption rate is high, and the batch production is difficult, and in consideration of the defects in the structure design, the required spherical cap body outline dimension and the outline dimension of the cylindrical part are firstly designed in the software graph, after being unfolded according to the designed three-dimensional required structure and the winding layer, the folded foil shape formed by the straight long sides, the wide sides and the curved long sides on the two-dimensional plane as shown in figure 1 is formed, according to the size value of the straight long side, the size value of the short wide side and the slope condition value of the curved long side of the unfolded two-dimensional foil, in the actual cutting of a rectangular metal foil as shown in fig. 6, generally, after one rectangular metal foil is cut along a curved long side, can be formed into two pieces of foils to be used with the same shape, the foils are coiled from the long broad side to the short broad side along the straight long side, and finally the honeycomb structure with the spherical crown is formed, comprises a cylindrical part and a spherical crown body part at the top end of the cylindrical part, the spherical crown body part takes the long and wide sides as the center of the spherical crown when being coiled, the point where the long and wide sides are positioned after the coiling is finished is taken as the highest point of the spherical height of the spherical crown body, the spherical height of the spherical crown body is the difference between the long wide side and the short wide side, and the length of the short wide side is the height of the cylindrical part.
The foil to be used is cut into a curve according to the designed spherical crown body shape, a cylindrical body structure with a spherical crown is formed by curling the curved metal sheet and is arranged in the circular tube shell of the protective layer, and then welding is carried out to ensure that the cylindrical body structure is firm. The turbulence device is formed after the periphery of the cylindrical honeycomb structure with the spherical crown is sleeved with the protective layer, the turbulence device with the cylindrical turbulence structure with the spherical crown is fixed on the air inlet of the catalyst on the side surface of the cylinder formed by the wide edge of the cylindrical turbulence structure with the spherical crown, and the cylindrical honeycomb structure with the spherical crown manufactured by the method can effectively disturb air flow.
While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including the preferred embodiment and all changes and modifications that fall within the scope of the present application. It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (9)
1. A cylindrical turbulence structure with a spherical crown for a catalyst is characterized by comprising an elongated metal foil, wherein the elongated metal foil comprises a straight long edge, a curved long edge and two wide edges perpendicular to the straight long edge;
the folds of the metal foil form wavy sawtooth stripes, and the directions of the wavy sawtooth stripes are vertical to the straight long sides;
the two wide sides comprise a long wide side and a short wide side, the curved long side is a curve extending from the long wide side to the short wide side, the folded metal foil is coiled along the straight long side from the long wide side to the short wide side, and a cylindrical honeycomb structure with a spherical crown is formed, wherein the straight long side is used as a cylindrical bottom surface, the wide side is used as a cylindrical side surface, and the curved long side is used as a spherical crown at the top of the cylinder.
2. The cylindrical turbulator structure with a spherical crown for a catalyst of claim 1, wherein the wavy saw tooth stripes are uniformly distributed on the metal foil.
3. The cylindrical turbulator structure with a spherical crown for a catalyst of claim 2, wherein the width and height of the wavy saw tooth stripe are the same.
4. The cylindrical turbulence structure with a spherical cap for a catalyst of claim 1, wherein a slope of a point on the curved long side is set according to a desired size of the spherical cap.
5. The spherical-cap columnar flow disturbing structure for the catalyst as set forth in claim 1, wherein the thickness of the metal foil is 0.05mm to 0.1mm.
6. The cylindrical flow perturbation structure with spherical crown for catalytic converter as claimed in claim 1 wherein the length difference between the long and wide sides and the short and wide sides is 2-10 mm.
7. The cylindrical turbulence structure with the spherical cap for the catalyst as recited in claim 1, wherein the cylindrical turbulence structure with the spherical cap formed after the coiling comprises a cylinder and a spherical cap body at the top end of the cylinder, and the long and wide sides are taken as the center of the spherical cap body.
8. The cylindrical flow perturbation structure with a spherical cap for a catalyst as claimed in claim 7 wherein the spherical height of the spherical cap body is the difference between the long and wide sides and the short and wide sides have a length equal to the height of the cylinder.
9. A flow perturbation device using a cylindrical flow perturbation structure with spherical cap for a catalyst as claimed in any of claims 1-8, characterized in that it further comprises a protective layer, which is sleeved around the cylindrical side where the broad side of the cylindrical flow perturbation structure with spherical cap is located, the flow perturbation device being fixed on the air inlet of the catalyst.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222653847.2U CN218581680U (en) | 2022-10-10 | 2022-10-10 | Cylindrical turbulence structure with spherical crown for catalyst and turbulence device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202222653847.2U CN218581680U (en) | 2022-10-10 | 2022-10-10 | Cylindrical turbulence structure with spherical crown for catalyst and turbulence device |
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| CN218581680U true CN218581680U (en) | 2023-03-07 |
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| CN202222653847.2U Active CN218581680U (en) | 2022-10-10 | 2022-10-10 | Cylindrical turbulence structure with spherical crown for catalyst and turbulence device |
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