CN210625755U - Built-in rectifier of ultrasonic flowmeter - Google Patents
Built-in rectifier of ultrasonic flowmeter Download PDFInfo
- Publication number
- CN210625755U CN210625755U CN201921902248.1U CN201921902248U CN210625755U CN 210625755 U CN210625755 U CN 210625755U CN 201921902248 U CN201921902248 U CN 201921902248U CN 210625755 U CN210625755 U CN 210625755U
- Authority
- CN
- China
- Prior art keywords
- rectifying
- guide
- built
- cylinder body
- flow meter
- 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.)
- Active
Links
Images
Abstract
The utility model relates to the technical field of gas flow control, and discloses a built-in ultrasonic flowmeter rectifier, which comprises a rectifying cylinder body, a rectifying plate and a guide cylinder, wherein the rectifying plate is arranged in one end of the rectifying cylinder body, and rectifying holes are densely distributed on the rectifying plate; the guide shell is arranged at the other end of the rectifying cylinder body in the inner cavity, the guide shell is positioned at the center of the end face of the rectifying cylinder body, and a plurality of arc-shaped guide vanes are connected between the outer wall of the guide shell and the inner wall of the rectifying cylinder body. After the fluid in the pipeline of the ultrasonic flowmeter is rectified by the rectifier, the pulsating flow energy existing in the fluid is completely dispersed, so that the fluid is transited from a turbulent flow state to a laminar flow state. Therefore, the detection effect of the ultrasonic flowmeter on the fluid is effectively improved.
Description
Technical Field
The utility model relates to a gas flow control technical field especially relates to a built-in ultrasonic flowmeter rectifier.
Background
With the rapid development of ultrasonic flow meter technology, ultrasonic flow meters have been widely used for measuring gases such as natural gas, petroleum gas, coal gas and the like. Under the working condition of the ultrasonic flowmeter, the gas flow state entering the flowmeter needs to be ensured to be symmetrical and fully developed turbulent flow velocity distribution, but in the actual use process, the influence of a pipeline elbow and a valve in a metering pipeline on the velocity distribution of the gas can cause the fluid to be disordered and irregularly flow in the pipeline, thereby influencing the measurement precision.
SUMMERY OF THE UTILITY MODEL
The utility model provides a built-in ultrasonic flowmeter rectifier for gas to arranging in the ultrasonic flowmeter carries out the rectification and handles, in order to improve measurement accuracy.
In order to achieve the above purpose, the basic scheme of the utility model is as follows: the rectifying plate is arranged at one end of the rectifying cylinder body, and rectifying holes are densely distributed on the rectifying plate; the other end of the rectifying cylinder body is arranged in the guide cylinder, the guide cylinder is positioned at the center of the end face of the rectifying cylinder body, and a plurality of arc-shaped guide vanes are connected between the outer wall of the guide cylinder and the inner wall of the rectifying cylinder body.
Further, the rectification barrel is close to the one end integrated into one piece of draft tube and has the ring flange, the ring flange can be fixed in the rectification barrel on the ultrasonic flowmeter.
Through adopting above-mentioned technical scheme, ring flange integral type shaping is convenient for install whole rectifier on ultrasonic flowmeter on the rectification barrel.
Further, the port of the rectifying cylinder body is in smooth transition to the flange.
By adopting the technical scheme, the port of the rectifying cylinder body is smoothly transited to the flange plate, so that the fluid in the ultrasonic flowmeter can be smoothly transited into the rectifier.
Furthermore, a plurality of bolt holes are distributed on the flange plate, and positioning bolts used for fixing the flange plate on the ultrasonic flowmeter are configured.
Through adopting above-mentioned technical scheme, place the rectification barrel of rectifier in ultrasonic flowmeter's pipeline to utilize positioning bolt to pass through the bolt hole on the ring flange, thereby install whole rectifier on ultrasonic flowmeter.
Further, the rectifying holes in the rectifying plate are in a regular hexagon shape.
By adopting the technical scheme, in the process that the fluid flows out from the rectifying hole on the rectifying plate, the pulsating flow energy in the fluid is completely dispersed, so that the initial turbulent flow state of the fluid is transited to the laminar flow state.
Furthermore, a plurality of partition plates which are connected with each other are arranged on the inner wall of the guide shell, and the partition plates evenly divide the space in the guide shell into guide holes with the same size.
By adopting the technical scheme, after the fluid in the pipeline of the ultrasonic flowmeter is guided by the guide holes in the guide cylinder in the rectifier, the energy of the pulsating flow attached to the fluid is greatly attenuated.
Furthermore, the outer edge line of the connecting surface of the guide vane and the outer wall of the guide cylinder is an Archimedes spiral.
By adopting the technical scheme, the guide vanes play a role in guiding the fluid, so that the fluid flows into the guide cylinder of the rectifier more stably along the guide vanes in the Archimedes spiral line.
Further, the tangents of the contact points of the chord lines of the guide vanes and the guide cylinder ports are perpendicular to each other.
By adopting the technical scheme, in the process that the fluid flows to the guide vanes, the guide vanes can effectively eliminate the pulsating flow energy in the fluid.
Further, the number of the guide vanes is 8 to 12.
Through adopting above-mentioned technical scheme, guide vane evenly distributed plays effectual water conservancy diversion effect at the port department of rectification barrel to the fluid.
Compared with the prior art, the scheme has the beneficial effects that: after the fluid in the pipeline of the ultrasonic flowmeter is rectified by the rectifier, the pulsating flow energy in the fluid is completely dispersed, so that the fluid is transited from a turbulent flow state to a laminar flow state, the influence of the pulsating flow is eliminated, and the turbulent flow state of the fluid is transited to the laminar flow state; the fluid flowing out of each rectifying hole continuously flows according to respective inertia, and interferes with each other, so that new turbulent flow is not formed; therefore, the detection effect of the ultrasonic flowmeter on the fluid is effectively improved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic top view of the present invention;
fig. 3 is a schematic bottom view of the present invention.
Reference numerals in the drawings of the specification include: the rectifying cylinder comprises a rectifying cylinder body 1, a flange plate 2, bolt holes 21, a guide cylinder 3, a partition plate 4, guide vanes 5, a rectifying plate 6 and rectifying holes 61.
Detailed Description
The invention will be described in further detail by means of specific embodiments with reference to the accompanying drawings:
example (b):
a built-in ultrasonic flowmeter rectifier comprises a rectifying cylinder body 1, a rectifying plate 6 and a guide cylinder 3, wherein the rectifying plate 6 is arranged at one end of the rectifying cylinder body 1, rectifying holes 61 are densely distributed in the rectifying plate 6, and the rectifying holes 61 in the rectifying plate 6 are in a regular hexagon shape.
As shown in fig. 1 and 2, the guide shell 3 is arranged at the other end of the rectifying cylinder body 1, the guide shell 3 is arranged at the central position of the end surface of the rectifying cylinder body 1, the inner wall of the guide shell 3 is provided with a plurality of mutually connected partition plates 4, and the partition plates 4 uniformly divide the space in the guide shell 3 into guide holes with the same size. Nine arc guide vanes 5 are connected between the outer wall of the guide cylinder 3 and the inner wall of the rectifying cylinder body 1. The outer edge line of the connecting surface of the guide vane 5 and the outer wall of the guide cylinder 3 is an Archimedes spiral. The chord line of the guide vane 5 is perpendicular to the tangent line of the contact point of the guide cylinder 3 port.
As shown in fig. 1 and 2, a flange 2 capable of fixing the rectifying cylinder 1 on the ultrasonic flowmeter is arranged at one end of the rectifying cylinder 1 close to the guide cylinder 3, the flange 2 and the rectifying cylinder 1 are integrally formed, and the port of the rectifying cylinder 1 is in smooth transition to the flange 2. A plurality of bolt holes 21 are distributed on the flange 2, and positioning bolts for fixing the flange 2 on the ultrasonic flowmeter are configured.
The specific implementation mode of the scheme is as follows:
in order not to affect the rectification effect and the detection effect of the ultrasonic flowmeter, a rectifier with proper size needs to be designed, and the total length of the pipeline of the flowmeter is 3 to 5 times of the diameter of the pipeline. The rectifier is arranged in the built-in gas ultrasonic flowmeter, and the length of the rectifier accounts for about one fourth of the total length of the flowmeter; and a rectifier corresponding to the outer diameter of the rectifying cylinder body 1 is manufactured according to the inner diameters of different ultrasonic flow meters.
In the use process, a rectifier with a proper size is selected, the rectifying cylinder body 1 of the rectifier is arranged in a pipeline of the ultrasonic flowmeter, and the outer wall of the rectifying cylinder body 1 is attached to the inner wall of the pipeline of the ultrasonic flowmeter. In order to fix the rectifier to the ultrasonic flowmeter, the flange 2 and the end surface of the ultrasonic flowmeter are bonded to each other, and the flange 2 is fixed to the ultrasonic flowmeter by the positioning bolts, whereby the entire rectifier is fixed to the ultrasonic flowmeter.
In the process that the rectifier rectifies the fluid in the ultrasonic flowmeter pipeline, the fluid in the ultrasonic flowmeter pipeline enters the rectifying cylinder body 1 through the guide holes in the guide cylinder 3 and the guide vanes 5 in the rectifier, the energy of the pulsating flow attached to the fluid is greatly attenuated after the fluid is guided by the guide holes in the guide cylinder 3 and the guide vanes 5, the fluid in the rectifying cylinder body 1 is divided into dozens of rectifying holes 61 in the rectifying plate 6, the energy of the pulsating flow existing in the fluid is completely dispersed, the influence of the pulsating flow is eliminated, and the turbulent flow state of the fluid is converted into the laminar flow state. The fluid flowing out of the rectifying holes 61 will continue to flow according to their own inertia, interfering with each other, and no new turbulence will be formed. Thereby being beneficial to improving the detection effect of the ultrasonic flowmeter on the fluid.
The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (9)
1. A built-in ultrasonic flowmeter rectifier is characterized in that: the rectifying device comprises a rectifying cylinder body (1), a rectifying plate (6) and a guide cylinder (3), wherein the rectifying plate (6) is arranged in one end of the rectifying cylinder body (1), and rectifying holes (61) are densely distributed in the rectifying plate (6); the other end of the rectifying cylinder body (1) is arranged in the guide cylinder (3), the guide cylinder (3) is located at the center of the end face of the rectifying cylinder body (1), and a plurality of arc-shaped guide vanes (5) are connected between the outer wall of the guide cylinder (3) and the inner wall of the rectifying cylinder body (1).
2. A built-in ultrasonic flow meter rectifier according to claim 1 in which: rectification barrel (1) is close to the one end integrated into one piece of draft tube (3) and has ring flange (2), ring flange (2) can be fixed in rectification barrel (1) on the ultrasonic flowmeter.
3. A built-in ultrasonic flow meter rectifier according to claim 2 in which: the port of the rectifying cylinder body (1) is in smooth transition to the flange plate (2).
4. A built-in ultrasonic flow meter rectifier according to claim 2 in which: a plurality of bolt holes (21) are distributed in the flange plate (2), and positioning bolts used for fixing the flange plate (2) on the ultrasonic flowmeter are configured.
5. A built-in ultrasonic flow meter rectifier according to claim 1 in which: the rectifying holes (61) on the rectifying plate (6) are in a regular hexagon shape.
6. A built-in ultrasonic flow meter rectifier according to claim 1 in which: the inner wall of the guide shell (3) is provided with a plurality of mutually connected partition plates (4), and the partition plates (4) uniformly divide the space in the guide shell (3) into guide holes with the same size.
7. A built-in ultrasonic flow meter rectifier according to claim 1 in which: the outer edge line of the connecting surface of the guide vane (5) and the outer wall of the guide cylinder (3) is an Archimedes spiral.
8. A built-in ultrasonic flow meter rectifier according to claim 1 in which: the chord line of the guide vane (5) is vertical to the tangent line of the contact point of the port of the guide cylinder (3).
9. A built-in ultrasonic flow meter rectifier according to claim 1 in which: the number of the guide vanes (5) is 8-12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921902248.1U CN210625755U (en) | 2019-11-06 | 2019-11-06 | Built-in rectifier of ultrasonic flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921902248.1U CN210625755U (en) | 2019-11-06 | 2019-11-06 | Built-in rectifier of ultrasonic flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210625755U true CN210625755U (en) | 2020-05-26 |
Family
ID=70753916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921902248.1U Active CN210625755U (en) | 2019-11-06 | 2019-11-06 | Built-in rectifier of ultrasonic flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210625755U (en) |
-
2019
- 2019-11-06 CN CN201921902248.1U patent/CN210625755U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102393224B (en) | Integrated intelligent flowmeter and measuring method | |
| CN106918369B (en) | A kind of device and measurement method for hydropower station pressure main conduit flow measurement | |
| RU134637U1 (en) | INSTALLATION FOR CALIBRATION, VERIFICATION AND TESTING OF METERS AND FLOW METERS | |
| CN108917861A (en) | The shunt valve flow measurement device and measurement method of heavy caliber speed governing operation pump | |
| CN201259433Y (en) | Horizontal screw wing dismantling water meter | |
| CN210625755U (en) | Built-in rectifier of ultrasonic flowmeter | |
| CN108444555A (en) | A kind of novel Venturi tube-type spreader flowmeter | |
| CN210346776U (en) | Rectangular venturi differential pressure device | |
| CN207395817U (en) | A kind of split type Venturi tube-type spreader flowmeter | |
| CN201653456U (en) | Spiral type water meter | |
| CN219656942U (en) | Built-in gas ultrasonic flowmeter rectifier | |
| CN210321847U (en) | Venturi flow meter | |
| CN105222838B (en) | Flowmeter shell and flowmeter | |
| CN204718653U (en) | A kind of distributed stream gauge | |
| CN208567986U (en) | A kind of flowmeter | |
| CN209342165U (en) | Double flute ring wedge differential pressure device | |
| CN210268750U (en) | Gas turbine flowmeter with porous rectifying plate | |
| CN208223796U (en) | A kind of valve fluid performance test pipeline | |
| CN220230603U (en) | Built-in gas ultrasonic flowmeter rectifier | |
| CN203672417U (en) | Fluid director of water metering device | |
| CN218443994U (en) | Novel built-in gas ultrasonic flowmeter rectifier | |
| CN209280059U (en) | A kind of ultrasonic type gas-liquid two-phase measuring device | |
| CN205843732U (en) | A kind of intelligence vortex precession flowmeter | |
| CN218628457U (en) | Rectifier and gas ultrasonic flowmeter using same | |
| CN217786261U (en) | Novel ultrasonic flowmeter rectification structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |