CN220187772U - Anticorrosive vortex shedding flowmeter - Google Patents
Anticorrosive vortex shedding flowmeter Download PDFInfo
- Publication number
- CN220187772U CN220187772U CN202321195042.6U CN202321195042U CN220187772U CN 220187772 U CN220187772 U CN 220187772U CN 202321195042 U CN202321195042 U CN 202321195042U CN 220187772 U CN220187772 U CN 220187772U
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- CN
- China
- Prior art keywords
- vortex shedding
- vortex
- corrosion
- honeycomb duct
- connecting main
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- 238000005260 corrosion Methods 0.000 claims abstract description 26
- 230000017525 heat dissipation Effects 0.000 claims abstract description 13
- 238000007789 sealing Methods 0.000 claims abstract description 9
- PEVRKKOYEFPFMN-UHFFFAOYSA-N 1,1,2,3,3,3-hexafluoroprop-1-ene;1,1,2,2-tetrafluoroethene Chemical compound FC(F)=C(F)F.FC(F)=C(F)C(F)(F)F PEVRKKOYEFPFMN-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000011248 coating agent Substances 0.000 claims abstract description 4
- 238000000576 coating method Methods 0.000 claims abstract description 4
- 238000004891 communication Methods 0.000 claims description 3
- 239000013078 crystal Substances 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 abstract description 6
- 239000007769 metal material Substances 0.000 abstract description 4
- 230000003628 erosive effect Effects 0.000 abstract description 3
- 230000008023 solidification Effects 0.000 abstract description 3
- 238000007711 solidification Methods 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 description 2
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Measuring Volume Flow (AREA)
Abstract
The utility model discloses an anti-corrosion vortex shedding flowmeter, which relates to the technical field of vortex shedding flowmeters and comprises a vortex shedding honeycomb duct, wherein an upper connecting main body is arranged on the vortex shedding honeycomb duct, a heat dissipation supporting rod is arranged on the upper connecting main body, a piezoelectric sensor is connected to the upper connecting main body through a sealing piece, one end of the piezoelectric sensor penetrates through the upper connecting main body and extends into the vortex shedding honeycomb duct, anti-corrosion layers are arranged in inner cavities of the upper connecting main body, the heat dissipation supporting rod and the vortex shedding honeycomb duct, the anti-corrosion layers are arranged, a perfluoroethylene propylene copolymer is sprayed on the inner wall of the vortex shedding flowmeter, after solidification, a firm anti-corrosion coating is formed on the inner wall of the honeycomb duct, the basic structural characteristics of metal materials are maintained, corrosion and erosion is isolated, and the sealing piece is pressed by the piezoelectric sensor, so that the anti-corrosion vortex shedding flowmeter can be used for working conditions with high pressure.
Description
Technical Field
The utility model relates to the technical field of vortex shedding flowmeters, in particular to an anti-corrosion vortex shedding flowmeter.
Background
The vortex street flowmeter measures flow by using the principle of generating karman vortex street by fluid oscillation, and the measuring range of the vortex street flowmeter is wide and covers various mediums such as gas, liquid, vapor and the like.
However, since the main measuring component is made of a metal material, it is not suitable for measuring corrosive media such as chlorine gas and corrosive liquid. In order to extend the application range of the vortex shedding flowmeter and increase the corrosion resistance and apply corrosive media, the utility model provides the corrosion-resistant vortex shedding flowmeter.
Disclosure of Invention
In order to solve the technical problems in the background technology, the utility model provides an anti-corrosion vortex shedding flowmeter.
The utility model provides an anti-corrosion vortex street flow meter which comprises a vortex street flow guide pipe, wherein an upper connecting main body is arranged on the vortex street flow guide pipe, a heat dissipation supporting rod is arranged on the upper connecting main body, the upper connecting main body is connected with a piezoelectric sensor through a sealing piece, one end of the piezoelectric sensor penetrates through the upper connecting main body and extends into the vortex street flow guide pipe, and anti-corrosion layers are arranged in the inner cavities of the upper connecting main body, the heat dissipation supporting rod and the vortex street flow guide pipe.
Preferably, the piezoelectric sensor is a corrosion-resistant piezoelectric crystal sensor.
Preferably, the electronic converter of the vortex shedding flowmeter is arranged on the heat dissipation supporting rod.
Preferably, two main body flanges are arranged on the vortex street diversion pipe.
Preferably, a vortex generator is arranged in the vortex street flow guide pipe.
Preferably, the anticorrosive layer is a perfluoroethylene propylene copolymer.
According to the anti-corrosion vortex shedding flowmeter provided by the utility model, the anti-corrosion layer is arranged, the perfluoroethylene propylene copolymer is sprayed on the inner wall of the vortex shedding flowmeter, and after solidification, a firm anti-corrosion coating is formed on the inner wall of the flow guide pipe, so that the basic structural characteristics of a metal material are maintained, corrosion and erosion are isolated, and the sealing element is pressed by the piezoelectric sensor, so that the device can be used for working conditions with high pressure.
Additional aspects and advantages of the utility model 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 utility model.
Drawings
FIG. 1 is a front view of the structure of the present utility model;
fig. 2 is an enlarged view of a portion of fig. 1 a according to the present utility model.
In the figure, 1, a vortex shedding flowmeter electronic converter; 2. a heat dissipation support rod; 3. a piezoelectric sensor; 4. a main body flange; 5. vortex street flow guiding pipe; 6. an anti-corrosion layer; 7. an upper connecting body; 8. a seal; 9. vortex generating body.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar symbols indicate like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present utility model and are not to be construed as limiting the present utility model.
It is to be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counter-clockwise," "axial," "radial," "circumferential," and the like are directional or positional relationships as indicated based on the drawings, merely to facilitate describing the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
The anti-corrosion vortex shedding flowmeter shown in the figures 1-2 comprises a vortex shedding honeycomb duct 5, an upper connecting main body 7 is arranged on the vortex shedding honeycomb duct 5, a heat dissipation supporting rod 2 is arranged on the upper connecting main body 7, the upper connecting main body 7 is connected with a piezoelectric sensor 3 through a sealing piece 8, one end of the piezoelectric sensor 3 penetrates through the upper connecting main body 7 and extends into the vortex shedding honeycomb duct 5, anti-corrosion layers 6 are arranged in the inner cavities of the upper connecting main body 7, the heat dissipation supporting rod 2 and the vortex shedding honeycomb duct 5, the anti-corrosion layers 6 are perfluoroethylene propylene copolymers, the piezoelectric sensor 3 is an anti-corrosion piezoelectric crystal sensor, a vortex shedding flowmeter electronic converter 1 is arranged on the heat dissipation supporting rod 2, a vortex generator 9 is arranged in the vortex shedding honeycomb duct 5, and two main body flanges 4 are arranged on the vortex shedding honeycomb duct.
During assembly, after the vortex street flow guide pipe 5, the upper connecting main body 7, the main body flange 4 and the vortex generator 9 are welded, the piezoelectric sensor 3 is matched with the sealing piece 8 to be installed on the upper connecting main body 7 so as to finish sealing, and the inner cavities of the upper connecting main body 7, the heat dissipation supporting rod 2 and the vortex street flow guide pipe 5 are sprayed with the perfluoroethylene propylene copolymer, so that the perfluoroethylene propylene copolymer is adhered and solidified.
The anticorrosive vortex shedding flowmeter provided by the utility model has the advantages that the anticorrosive layer 6 is arranged, the perfluoroethylene propylene copolymer is sprayed on the inner wall of the vortex shedding flowmeter, a firm anticorrosive coating is formed on the inner wall of the flow guide pipe after solidification, the basic structural characteristics of a metal material are maintained, corrosion and erosion are isolated, and the piezoelectric sensor 3 is adopted to compress the sealing piece 8, so that the device can be used for working conditions with larger pressure.
The structure is suitable for vortex street flow sensor bodies in various forms such as flange type, clamping type and the like.
The flowmeter with the structure is matched with the pressure sensor and the temperature sensor, and can realize the exchange of the gas working condition flow and the standard working condition flow.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. The utility model provides an anticorrosive formula vortex flowmeter, includes vortex street honeycomb duct (5), install on vortex street honeycomb duct (5) and connect main part (7), a serial communication port, install heat dissipation bracing piece (2) on going up connecting main part (7), go up connecting main part (7) and be connected with piezoelectric sensor (3) through sealing member (8), and in connecting main part (7) and extending to vortex street honeycomb duct (5) are run through to piezoelectric sensor (3) one end, go up connecting main part (7), heat dissipation bracing piece (2) and vortex street honeycomb duct (5)'s inner chamber all is equipped with anticorrosive coating (6).
2. The anti-corrosive vortex shedding flowmeter according to claim 1, characterized in that the anti-corrosive layer (6) is a perfluoroethylene propylene copolymer.
3. The anti-corrosive vortex shedding flowmeter of claim 1, wherein the piezoelectric sensor (3) is an anti-corrosive piezoelectric crystal sensor.
4. The anti-corrosion vortex shedding flowmeter according to claim 1, wherein the heat dissipation support rod (2) is provided with a vortex shedding flowmeter electronic converter (1).
5. The anti-corrosion vortex shedding flowmeter according to claim 1, characterized in that two main body flanges (4) are mounted on the vortex shedding guide pipe (5).
6. The anti-corrosion vortex shedding flowmeter according to claim 1, characterized in that a vortex generator (9) is installed in the vortex shedding guide pipe (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321195042.6U CN220187772U (en) | 2023-05-16 | 2023-05-16 | Anticorrosive vortex shedding flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321195042.6U CN220187772U (en) | 2023-05-16 | 2023-05-16 | Anticorrosive vortex shedding flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220187772U true CN220187772U (en) | 2023-12-15 |
Family
ID=89102236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321195042.6U Active CN220187772U (en) | 2023-05-16 | 2023-05-16 | Anticorrosive vortex shedding flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220187772U (en) |
-
2023
- 2023-05-16 CN CN202321195042.6U patent/CN220187772U/en active Active
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| GR01 | Patent grant |