CN217276326U - Six-communication flow meter - Google Patents
Six-communication flow meter Download PDFInfo
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- CN217276326U CN217276326U CN202220888135.6U CN202220888135U CN217276326U CN 217276326 U CN217276326 U CN 217276326U CN 202220888135 U CN202220888135 U CN 202220888135U CN 217276326 U CN217276326 U CN 217276326U
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- 238000004891 communication Methods 0.000 title claims description 38
- 238000010079 rubber tapping Methods 0.000 claims description 13
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- 238000001514 detection method Methods 0.000 claims description 4
- 239000007787 solid Substances 0.000 abstract description 7
- 238000005259 measurement Methods 0.000 abstract description 6
- 239000012530 fluid Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- NRTLIYOWLVMQBO-UHFFFAOYSA-N 5-chloro-1,3-dimethyl-N-(1,1,3-trimethyl-1,3-dihydro-2-benzofuran-4-yl)pyrazole-4-carboxamide Chemical compound C=12C(C)OC(C)(C)C2=CC=CC=1NC(=O)C=1C(C)=NN(C)C=1Cl NRTLIYOWLVMQBO-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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Abstract
The utility model relates to a flowmeter technical field discloses a six UNICOM flowmeters, including the nozzle stub, the both ends of nozzle stub are equipped with the flange, and the middle part of nozzle stub is equipped with detecting element, detecting element include with nozzle stub inner wall complex solid fixed ring, and solid fixed ring's middle part is equipped with the side guide, and the equipartition has the limbers on the side guide, gu fixed ring's left side has through connection's high-pressure communicating pipe for solid fixed ring's center equipartition, and solid fixed ring's one end and high-pressure intercommunication ring switch on are kept away from to high-pressure communicating pipe, gu fixed ring's right side has through connection's low pressure communicating pipe for solid fixed ring's center equipartition, and solid fixed ring's one end and low pressure intercommunication ring switch on are kept away from to low pressure communicating pipe, the high pressure intercommunication ring outside is equipped with the malleation connecting pipe that switches on with it, and the one end that the pressure was pressed the pipe was got to the end connection malleation of malleation connecting pipe. The utility model is suitable for a six UNICOM's flowmeters adopt the porous balanced mode of getting pressure of six UNICOMs for small flow measurement is more accurate.
Description
Technical Field
The utility model relates to a flowmeter technical field specifically is a six UNICOM flowmeters.
Background
Flow measuring instrument mainly carries out online real-time detection to system's parameters such as the flow of various fluidic in the pipeline, velocity of flow, temperature, pressure, wherein orifice plate flowmeter is one kind of differential pressure formula flowmeter, and market share is wide, economical and practical, but conventional orifice plate flowmeter exists that measurement accuracy is low, loss of pressure is big, straight tube section length requires long scheduling problem, when possessing a large amount of user demands, but measuring performance can't be satisfied.
Under the increasing market demand, the differential pressure type orifice plate flowmeter with good performance and low cost gradually becomes one of the main instruments of the flow measuring instrument. When a conventional orifice plate flowmeter adopts a plurality of orifices, the measured pressure cannot truly reflect the flow pressure due to only one pressure measuring hole, so that the phenomenon of distortion often occurs, and the measurement result is finally influenced. There is therefore a need for improvements to conventional flow meters.
SUMMERY OF THE UTILITY MODEL
The utility model provides a six UNICOM's flowmeters has solved the problem of proposing among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a six-communication flow meter comprises a short pipe, wherein flanges are arranged at two ends of the short pipe, a detection element is arranged in the middle of the short pipe and comprises a fixing ring matched with the inner wall of the short pipe, a side pressure plate is arranged in the middle of the fixing ring, water through holes are uniformly distributed in the side pressure plate, a high-pressure communication pipe in through connection is uniformly distributed in the left side of the fixing ring relative to the center of the fixing ring, one end, away from the fixing ring, of the high-pressure communication pipe is communicated with the high-pressure communication ring, a low-pressure communication pipe in through connection is uniformly distributed in the right side of the fixing ring relative to the center of the fixing ring, one end, away from the fixing ring, of the low-pressure communication pipe is communicated with the low-pressure communication ring, a positive-pressure connection pipe in communication with the high-pressure communication ring is arranged outside the high-pressure communication ring, the end part of the positive-pressure connection pipe is connected with one end of the positive-pressure pipe, the other end of the positive-pressure pipe is connected with five valve groups, a negative-pressure connection pipe in communication with the low-pressure communication ring is arranged outside the low-pressure communication ring, the end of the negative pressure connecting pipe is connected with one end of the negative pressure taking pipe, the other end of the negative pressure taking pipe is connected with the five valve groups, and the five valve groups are connected with the differential pressure transmitter.
As an optimal technical scheme of the utility model, the malleation is got and is pressed the pipe and the negative pressure is got the middle part of pressing the pipe and is equipped with the root valve.
As an optimized technical proposal of the utility model, a guiding centering block is arranged between the fixing ring and the short pipe, and a spring is arranged on the guiding centering block.
As an optimal technical scheme of the utility model, the outside of nozzle stub is equipped with and gets to press the pipe and the negative pressure is got to press pipe complex bearing seat with the malleation.
As a preferred technical scheme of the utility model, the quantity of limbers is seven.
As a preferred technical scheme of the utility model, the quantity of high pressure communicating pipe and low pressure communicating pipe is six, and high pressure communicating pipe and low pressure communicating pipe are respectively for solid fixed ring's central evenly distributed.
The utility model discloses have following useful part:
1. the balance pore plate has the characteristic of distribution of pores on six angle bisectors, so that a flow field can be balanced, eddy current, vibration and signal noise are reduced, and the stability of the flow field is greatly improved;
2. the flow field rectification is more stable, the requirement on a straight pipe section is greatly shortened, and the method is suitable for more working condition installation conditions;
3. the formation of a retention dead zone is reduced, the dirty medium is ensured to smoothly pass through a plurality of holes, and the risk of blocking the fluid holes is reduced;
4. the device has wide application range, can measure various gas, liquid and steam single-phase fluids, and is particularly suitable for production environments with more strict requirements on straight pipe sections.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a six-way flow meter.
Fig. 2 is a schematic structural diagram of a short pipe in a six-way flow meter.
Fig. 3 is a left side view of a sensing element in a six-port flow meter.
Fig. 4 is a cross-sectional view a-a of fig. 3.
In the figure: 1. a flange; 2. a short pipe; 3. a positive pressure pipe; 4. a positive pressure connecting pipe; 5. a detection element; 6. a negative pressure sampling pipe; 7. connecting a negative pressure pipe; 8. a pressure-bearing seat; 9. a root valve; 10. five valve banks; 11. a differential pressure transmitter; 12. a guide centering block; 13. a spring; 14. a fixing ring; 15. side pressing plates; 16. a water through hole; 17. a high-pressure communicating pipe; 18. a high pressure communication ring; 19. a low pressure communication ring; 20. and a low-pressure communicating pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In one embodiment, please refer to fig. 1-4, a six-way flowmeter includes a short tube 2, flanges 1 are disposed at two ends of the short tube 2, a detecting element 5 is disposed in the middle of the short tube 2, the detecting element 5 includes a fixing ring 14 engaged with an inner wall of the short tube 2, a side pressure plate 15 is disposed in the middle of the fixing ring 14, water through holes 16 are uniformly distributed on the side pressure plate 15, a high pressure communicating tube 17 penetrating and connected is uniformly distributed on the left side of the fixing ring 14 relative to the center of the fixing ring 14, one end of the high pressure communicating tube 17 far from the fixing ring 14 is communicated with a high pressure communicating ring 18, a low pressure communicating tube 20 penetrating and connected is uniformly distributed on the right side of the fixing ring 14 relative to the center of the fixing ring 14, one end of the low pressure communicating tube 20 far from the fixing ring 14 is communicated with a low pressure communicating ring 19, a positive pressure connecting tube 4 communicated with the high pressure connecting ring 18 is disposed outside, an end of the positive pressure connecting tube 4 is connected with one end of the positive pressure tube 3, the other end of the positive pressure tapping pipe 3 is connected with the five valve groups 10, a negative pressure connecting pipe 7 communicated with the low pressure connecting ring 19 is arranged outside the low pressure connecting ring, the end of the negative pressure connecting pipe 7 is connected with one end of the negative pressure tapping pipe 6, the other end of the negative pressure tapping pipe 6 is connected with the five valve groups 10, and the five valve groups 10 are connected with the differential pressure transmitter 11. Root valves 9 are arranged in the middle of the positive pressure tapping pipe 3 and the negative pressure tapping pipe 6. A guide centering block 12 is arranged between the fixing ring 14 and the short pipe 2, and a spring 13 is arranged on the guide centering block 12. And a pressure bearing seat 8 matched with the positive pressure tapping pipe 3 and the negative pressure tapping pipe 6 is arranged outside the short pipe 2.
In one case of the present embodiment, the number of the water passage holes 16 is seven, and the water passage holes 16 are evenly distributed with respect to the center of the side pressure plate 15. The number of the high-pressure communication pipes 17 and the number of the low-pressure communication pipes 20 are six, and the high-pressure communication pipes 17 and the low-pressure communication pipes 20 are uniformly distributed with respect to the center of the fixing ring 14. The method is characterized in that all the limber holes 16 are distributed in an equal area, one hole is arranged in the center, six holes are distributed on the edge of the sensor inner pipeline in an array mode by taking the center hole as a reference, the position of an angular bisector of the six holes is selected, six pairs of high-pressure communicating pipes 17 and low-pressure communicating pipes 20 are provided with pressure taking ports, then the pressure of the six pairs of high-pressure communicating pipes 17 and the pressure taking ports of the low-pressure communicating pipes 20 are homogenized by using a high-pressure communicating ring 18 and a low-pressure communicating ring 19, a multi-hole balance hole plate is formed, and the balance hole plate is installed on the cross section of the pipeline to form a final six-communication balance hole preset pressure taking mode. The six-communication water through hole 16 consists of holes on six angular bisectors, and when the Reynolds number is in the range of 8x10 4 ≤ReD≤1x10 7 In this case, the diameter and position of the water passage hole 16 can be determined by obtaining the position distribution and size of the intermediate water passage hole 16 and the function hole through design calculation. And finally, determining the straight pipe sections before and after installation through calculation and design. The water through hole 16 designed by the method is more reasonable, the pressure difference between the front and the back of the side pressure plate 15 is increased, the measurement precision is higher, and the fluid can more easily pass through the side pressure plate 15 and is not blocked. Six-communication multi-hole by adopting Computational Fluid Dynamics (CFD) methodThe internal flow field of the balance sensor is subjected to simulation experiment, the flow field conditions represented by the water through holes 16 on the six angular bisectors are analyzed, and the flowmeter structure is optimized according to the analysis result, so that the novel six-communication porous balance sensor suitable for high measurement precision requirements is researched.
In one case of this embodiment, the built-in six-way side pressure plate 15 mainly plays a role in throttling and rectifying, and the fluid generates a differential pressure before and after passing through the side pressure plate 15, so that the flow can be measured and displayed by using the differential pressure transmitter 11, a display instrument or a computer.
In one aspect of this embodiment, the flow meter is mainly a flow meter that measures based on the differential pressure principle, and the flow sensor is configured to measure the flow by measuring the differential pressure across the side platen 15 by reasonably combining an orifice plate and a rectifier. Mainly comprises a primary device, a secondary device and the like; the primary device comprises a built-in side pressure plate 15, a measuring pipe, a flange 1, a pressure taking device and the like; the secondary device mainly receives signals from the primary device and displays, records, converts and the like; also, the flow meter includes built-in upstream and downstream mounted straight tube sections for bringing the flow field to service requirements.
The utility model is suitable for a six UNICOM flowmeters adopts six UNICOM's porous balanced pressure taking modes, makes its height, low pressure both sides respectively adopt 6 groups of high pressure communicating pipes 17 and low pressure communicating pipes 20 to carry out the equipartition pressure taking, and the pressure that is got at each side at last converges through the high, low pressure taking ring that connects, homogenizes its pressure respectively, and then sends to differential pressure transmitter 11 through high, low pressure transmission pipe for the little flow measurement is more accurate; the flow field can be balanced and rectified by adopting a six-communication porous balanced pressure taking mode, so that the fluid can not be severely contracted and expanded in front of and behind the side pressure plate 15, the formation of turbulent shearing force and vortex is reduced, and the cost of motion energy is greatly saved.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. A six-communication flow meter comprises a short pipe, wherein flanges are arranged at two ends of the short pipe, a detection element is arranged at the middle part of the short pipe, the detection element comprises a fixing ring matched with the inner wall of the short pipe, a side pressure plate is arranged at the middle part of the fixing ring, water through holes are evenly distributed on the side pressure plate, a high-pressure communication pipe in through connection is evenly distributed at the left side of the fixing ring relative to the center of the fixing ring, one end, away from the fixing ring, of the high-pressure communication pipe is communicated with the high-pressure communication ring, a low-pressure communication pipe in through connection is evenly distributed at the right side of the fixing ring relative to the center of the fixing ring, one end, away from the fixing ring, of the low-pressure communication pipe is communicated with the low-pressure communication ring, a positive-pressure connection pipe communicated with the high-pressure communication ring is arranged outside the high-pressure communication ring, the end of the positive-pressure connection pipe is connected with one end of the positive-pressure pipe, the other end of the positive-pressure pipe is connected with a five valve groups, a negative-pressure connection pipe communicated with the low-pressure communication ring is arranged outside the low-pressure communication ring, the end of the negative pressure connecting pipe is connected with one end of the negative pressure tapping pipe, the other end of the negative pressure tapping pipe is connected with the five valve groups, and the five valve groups are connected with the differential pressure transmitter.
2. The flowmeter of claim 1, wherein root valves are arranged in the middle of the positive pressure tapping pipe and the negative pressure tapping pipe.
3. The flowmeter of claim 1, wherein a guide centering block is disposed between the retaining ring and the spool, and a spring is disposed on the guide centering block.
4. The flowmeter of claim 1, wherein the short pipe is externally provided with a bearing seat matched with the positive pressure tapping pipe and the negative pressure tapping pipe.
5. The six-communication flow meter according to claim 1, wherein the number of the water through holes is seven.
6. The flowmeter of claim 1, wherein the number of the high-pressure communicating pipes and the low-pressure communicating pipes is six, and the high-pressure communicating pipes and the low-pressure communicating pipes are uniformly distributed relative to the center of the fixing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220888135.6U CN217276326U (en) | 2022-04-18 | 2022-04-18 | Six-communication flow meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220888135.6U CN217276326U (en) | 2022-04-18 | 2022-04-18 | Six-communication flow meter |
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| Publication Number | Publication Date |
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| CN217276326U true CN217276326U (en) | 2022-08-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220888135.6U Active CN217276326U (en) | 2022-04-18 | 2022-04-18 | Six-communication flow meter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115628789A (en) * | 2022-12-21 | 2023-01-20 | 成都中油翼龙科技有限责任公司 | Three-phase flow non-separation on-line metering device |
-
2022
- 2022-04-18 CN CN202220888135.6U patent/CN217276326U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115628789A (en) * | 2022-12-21 | 2023-01-20 | 成都中油翼龙科技有限责任公司 | Three-phase flow non-separation on-line metering device |
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