CN217953566U - Novel orifice plate type natural gas metering device - Google Patents
Novel orifice plate type natural gas metering device Download PDFInfo
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- CN217953566U CN217953566U CN202221934048.6U CN202221934048U CN217953566U CN 217953566 U CN217953566 U CN 217953566U CN 202221934048 U CN202221934048 U CN 202221934048U CN 217953566 U CN217953566 U CN 217953566U
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- natural gas
- water conservancy
- conservancy diversion
- metering device
- buffer board
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
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Abstract
The utility model discloses a novel orifice plate type natural gas metering device, which comprises a flow guide assembly, wherein the flow guide assembly comprises a pipe body, a buffer plate, a flow guide hole, a limiting plate, a supporting frame, a fixing ring, a flow guide sheet, a flow guide fan, a fixing plate, two guide posts and a spring; the outer side wall of the buffer plate is connected to the inner side wall of the pipe body in a sliding mode. The utility model discloses set up the buffer board and cushion the too fast natural gas of flow velocity, buffer board compression spring, with the velocity of flow that reduces the natural gas, then promote the water conservancy diversion fan through the natural gas, the water conservancy diversion fan assembles and the water conservancy diversion to the mixed and disorderly natural gas that flows in the pipeline when rotating, so that the natural gas steadily flows, then carry out the secondary water conservancy diversion to the natural gas through the water conservancy diversion piece, the natural gas flows between adjacent water conservancy diversion piece, can make the natural gas flow along the direction that is on a parallel with the body, and then can reduce the pulsation that produces when the natural gas flows, make the flow measurement result more accurate.
Description
The technical field is as follows:
the utility model relates to a metering device specifically is a novel orifice plate formula natural gas metering device, belongs to natural gas flow measurement technical field.
The background art comprises the following steps:
the natural gas is all gases naturally existing in nature, including gases formed in various natural processes in an atmospheric space, a water space and a rock space, the natural gas is mainly used as fuel and can be used for producing carbon black, chemicals and liquefied petroleum gas, and propane and butane produced by the natural gas are important raw materials in modern industry.
When natural gas is conveyed, the flow rate of the natural gas is mostly measured by using a pore plate flowmeter, the pore plate flowmeter is a differential pressure type flowmeter, and is the most widely applied flowmeter, the differential pressure before and after the throttle plate is measured, the magnitude of the differential pressure has a certain numerical relation with the medium flow rate, namely, when the flow rate is large, the differential pressure is large, when the flow rate is small, the differential pressure is small, and the flow rate is in direct proportion to the square root of the differential pressure.
When the current orifice plate flowmeter is measuring the flow of natural gas, because the velocity of flow of natural gas is unstable, and the unstable flow of natural gas then can make the natural gas produce the pulsation when flowing, and then influences the pressure differential around the throttle plate, and the degree of accuracy that leads to flow measurement result is lower, for this reason, provides a novel orifice plate formula natural gas metering device.
The utility model has the following contents:
an object of the utility model is to provide a novel orifice plate formula natural gas metering device to solve one of the problem that proposes among the above-mentioned background art.
The utility model discloses by following technical scheme implement: a novel orifice plate type natural gas metering device comprises a flow guide assembly, wherein the flow guide assembly comprises a pipe body, a buffer plate, a flow guide hole, a limiting plate, a supporting frame, a fixing ring, a flow guide sheet, a flow guide fan, a fixing plate, two guide columns and a spring;
the lateral wall sliding connection of buffer board is in the inside wall of body, two the one end of guide post run through one side of buffer board and with buffer board sliding connection, one side fixed connection of limiting plate is in one side of guide post, one side fixed connection of fixed plate is in the opposite side of guide post, the spring cup joints in the lateral wall of guide post, the one end fixed connection of spring is in one side of buffer board, the other end fixed connection of spring is in one side of fixed plate, the lateral wall fixed connection of fixed plate is in the inside wall of body, the water conservancy diversion fan passes through the support frame and installs in the inside of body.
As a further preferred aspect of the present invention: the outer side wall of the fixing ring is fixedly connected to the inner side wall of the pipe body, and one side of the flow deflector is symmetrically and fixedly connected to the inner side wall of the fixing ring, so that the natural gas can be guided through the flow deflector.
As further preferable in the present technical solution: the water conservancy diversion fan is located between buffer board and the solid fixed ring, the buffer board is located the body and is close to orificial position, one side of buffer board is evenly seted up in the water conservancy diversion hole, and then can carry out the water conservancy diversion to the natural gas through the water conservancy diversion fan.
As further preferable in the present technical solution: the inner side wall of the pipe body is provided with a main body assembly, and the main body assembly comprises a throttle plate, a through hole, two pressure taking holes, two pressure taking pipes, a differential pressure transmitter and two connecting flanges;
the outer side wall of the throttle plate is fixedly connected to the middle of the inner side wall of the pipe body, the through hole is formed in one side of the throttle plate, and then natural gas can flow out of the throttle plate through the through hole.
As further preferable in the present technical solution: the two pressure taking holes are symmetrically formed in the inner side wall of the pipe body and symmetrically located on two sides of the throttle plate, and then the pressure on two sides of the throttle plate can be measured through the pressure taking holes.
As a further preferred aspect of the present invention: two the one end symmetry fixed connection of pressure pipe is in the lateral wall of body, pressure pipe and pressure hole intercommunication are pressed to the pressure, and then can be connected with differential pressure transmitter through pressing the pipe.
As further preferable in the present technical solution: and one ends of the pressure tapping pipes, which are far away from the pipe body, are respectively communicated with a differential pressure transmitter, so that the differential pressure can be measured through the differential pressure transmitter.
As a further preferred aspect of the present invention: two flange's inside wall symmetry fixed connection is in the lateral wall both ends of body, and then conveniently installs the body.
The utility model has the advantages that: the utility model discloses set up the buffer board and cushion the too fast natural gas of flow velocity, the natural gas promotes the buffer board, buffer board compression spring, and then can cushion through the spring, with the velocity of flow that reduces the natural gas, then promote the water conservancy diversion fan through the natural gas, the water conservancy diversion fan assembles and the water conservancy diversion to the mixed and disorderly natural gas that flows in the pipeline when rotating, so that the natural gas flows steadily, then carry out the secondary water conservancy diversion to the natural gas through the water conservancy diversion piece, the natural gas flows between adjacent water conservancy diversion piece, can make the natural gas flow along the direction that is on a parallel with the body, and then can reduce the pulsation that produces when the natural gas flows, make the flow measurement result more accurate.
Description of the 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 description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the present invention;
fig. 2 is a schematic structural view of the diversion assembly of the present invention;
FIG. 3 is a schematic structural view of the main assembly of the present invention;
fig. 4 is a schematic view of the tube structure of the present invention.
In the figure: 101. a flow guide assembly; 11. a tube body; 12. a buffer plate; 13. a flow guide hole; 14. a limiting plate; 15. a support frame; 16. a fixing ring; 17. a flow deflector; 18. a flow guiding fan; 19. a fixing plate; 20. a guide post; 21. a spring; 301. a main body assembly; 31. a throttle plate; 32. a through hole; 33. pressure tapping; 34. a pressure tapping pipe; 35. a differential pressure transmitter; 36. and connecting the flanges.
The specific implementation mode is as follows:
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.
Examples
Referring to fig. 1-4, the present invention provides a technical solution: a novel orifice plate type natural gas metering device comprises a flow guide assembly 101, wherein the flow guide assembly 101 comprises a pipe body 11, a buffer plate 12, flow guide holes 13, a limiting plate 14, a supporting frame 15, a fixing ring 16, a flow guide sheet 17, a flow guide fan 18, a fixing plate 19, two guide posts 20 and a spring 21;
lateral wall sliding connection in the inside wall of body 11 of buffer board 12, the one end of two guide posts 20 run through one side of buffer board 12 and with buffer board 12 sliding connection, one side fixed connection in one side of guide post 20 of limiting plate 14, one side fixed connection in the opposite side of guide post 20 of fixed plate 19, spring 21 cup joints in the lateral wall of guide post 20, the one end fixed connection of spring 21 is in one side of buffer board 12, the other end fixed connection in one side of fixed plate 19 of spring 21, the lateral wall fixed connection in the inside wall of body 11 of fixed plate 19, water conservancy diversion fan 18 passes through support frame 15 and installs in the inside of body 11.
In this embodiment, specifically: the lateral wall fixed connection of solid fixed ring 16 is in the inside wall of body 11, one side symmetry fixed connection of water conservancy diversion piece 17 is in solid fixed ring 16's inside wall, water conservancy diversion fan 18 is located between buffer board 12 and solid fixed ring 16, buffer board 12 is located the body 11 and is close to orificial position, water conservancy diversion hole 13 evenly sets up in one side of buffer board 12, and when natural gas flows in to body 11 in, the natural gas promotes buffer board 12, buffer board 12 cushions the power that receives through spring 21, and then can cushion the too fast natural gas of velocity of flow through buffer board 12, make its speed reduction, the natural gas continues to flow in body 11 through water conservancy diversion hole 13, carry out the water conservancy diversion to the natural gas that flows out through water conservancy diversion hole 13 through water conservancy diversion fan 18, make the natural gas can even flow, then carry out water conservancy diversion once more to the natural gas through water conservancy diversion piece 17 in solid fixed ring 16, owing to be provided with a plurality of water conservancy diversion pieces 17, therefore the flow of natural gas between adjacent water conservancy diversion piece 17, can make the smooth flow of natural gas.
In this embodiment, specifically: a main body assembly 301 is installed on the inner side wall of the pipe body 11, and the main body assembly 301 comprises a throttle plate 31, a through hole 32, two pressure taking holes 33, two pressure taking pipes 34, a differential pressure transmitter 35 and two connecting flanges 36;
the outer side wall of the throttle plate 31 is fixedly connected to the middle of the inner side wall of the pipe body 11, the through hole 32 is formed in one side of the throttle plate 31, the two pressure taking holes 33 are symmetrically formed in the inner side wall of the pipe body 11, the two pressure taking holes 33 are symmetrically formed in two sides of the throttle plate 31, one ends of the two pressure taking pipes 34 are symmetrically and fixedly connected to the outer side wall of the pipe body 11, the pressure taking pipes 34 are communicated with the pressure taking holes 33, one ends, far away from the pipe body 11, of the two pressure taking pipes 34 are respectively communicated with the differential pressure transmitter 35, natural gas flows out through the through holes 32 when flowing to the throttle plate 31, under the action of the throttle plate 31, the natural gas forms local contraction on one side of the throttle plate 31, the flow speed of the natural gas is increased, namely, the pressure difference is generated on two sides of the throttle plate 31, the larger the flow of the natural gas is, the pressure on two sides of the throttle plate 31 is measured through the pressure taking holes 33, the pressure taking pipes 34 and the differential pressure transmitter 35, and the flow of the natural gas can be calculated.
In this embodiment, specifically: the inner side walls of the two connecting flanges 36 are symmetrically and fixedly connected to two ends of the outer side wall of the pipe body 11, and the pipe body 11 is conveniently connected with the natural gas pipeline through the connecting flanges 36.
Working principle or structural principle, when in use, the pipe body 11 is communicated with a natural gas pipeline needing to measure flow through the connecting flange 36, when natural gas flows into the pipe body 11, the natural gas firstly contacts with the buffer plate 12 and then continuously flows through the flow guide hole 13, when the flow rate of the natural gas is too high, the natural gas pushes the buffer plate 12, the buffer plate 12 slides in the pipe body 11 along the guide column 20, meanwhile, the buffer plate 12 extrudes the spring 21, and further, the force applied to the buffer plate 12 by the spring 21 can be buffered so as to reduce the flow speed of the natural gas, so that the natural gas flowing into the pipe body 11 stably flows, when the natural gas continuously flows, the flow guide fan 18 is pushed to rotate, and further, when the flow guide fan 18 rotates, the natural gas which flows disorderly in the pipe body 11 is gathered and guided, so that the natural gas flows steadily, when the natural gas continues flowing to the fixed ring 16, carry out the secondary water conservancy diversion to the natural gas through the water conservancy diversion piece 17, the natural gas flows between adjacent water conservancy diversion piece 17, consequently, can make the natural gas flow along the direction that is on a parallel with body 11, and then can reduce the pulsation that the natural gas produced when flowing, when the natural gas flows to throttle plate 31 and flows out through-hole 32, under the effect of throttle plate 31, the natural gas is at one side local contraction of throttle plate 31, and then make the velocity of flow of natural gas increase, produce the pressure differential in the both sides of throttle plate 31, can measure the pressure of throttle plate 31 both sides through pressure taking hole 33, pressure taking pipe 34 and differential pressure transmitter 35 this moment, and then can calculate the flow of natural gas.
The above description is only for the preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A novel orifice plate type natural gas metering device is characterized by comprising a flow guide assembly (101), wherein the flow guide assembly (101) comprises a pipe body (11), a buffer plate (12), flow guide holes (13), limiting plates (14), a supporting frame (15), a fixing ring (16), flow guide pieces (17), flow guide fans (18), a fixing plate (19), two guide columns (20) and springs (21);
lateral wall sliding connection in the inside wall of body (11) of buffer board (12), two the one end of guide post (20) run through one side of buffer board (12) and with buffer board (12) sliding connection, one side fixed connection in one side of guide post (20) of limiting plate (14), one side fixed connection in the opposite side of guide post (20) of fixed plate (19), spring (21) cup joint in the lateral wall of guide post (20), the one end fixed connection in one side of buffer board (12) of spring (21), the other end fixed connection in one side of fixed plate (19) of spring (21), the lateral wall fixed connection in the inside wall of body (11) of fixed plate (19), water conservancy diversion fan (18) are installed in the inside of body (11) through support frame (15).
2. The novel orifice plate type natural gas metering device of claim 1, characterized in that: the lateral wall fixed connection of solid fixed ring (16) is in the inside wall of body (11), the one side symmetry fixed connection of water conservancy diversion piece (17) is in the inside wall of solid fixed ring (16).
3. The novel orifice plate type natural gas metering device according to claim 1, characterized in that: the water conservancy diversion fan (18) are located between buffer board (12) and fixed ring (16), buffer board (12) are located body (11) and are close to orificial position, one side of buffer board (12) is evenly seted up in water conservancy diversion hole (13).
4. The novel orifice plate type natural gas metering device of claim 3, characterized in that: a main body assembly (301) is mounted on the inner side wall of the pipe body (11), and the main body assembly (301) comprises a throttle plate (31), a through hole (32), two pressure taking holes (33), two pressure taking pipes (34), a differential pressure transmitter (35) and two connecting flanges (36);
the outer side wall of the throttle plate (31) is fixedly connected to the middle part of the inner side wall of the pipe body (11), and the through hole (32) is formed in one side of the throttle plate (31).
5. The novel orifice plate type natural gas metering device of claim 4, characterized in that: the two pressure taking holes (33) are symmetrically formed in the inner side wall of the pipe body (11), and the two pressure taking holes (33) are symmetrically located on two sides of the throttle plate (31).
6. The novel orifice plate type natural gas metering device of claim 4, characterized in that: one ends of the two pressure sampling pipes (34) are symmetrically and fixedly connected to the outer side wall of the pipe body (11), and the pressure sampling pipes (34) are communicated with the pressure sampling holes (33).
7. The novel orifice plate type natural gas metering device of claim 6, characterized in that: one ends, far away from the pipe body (11), of the two pressure sampling pipes (34) are respectively communicated with a differential pressure transmitter (35).
8. The novel orifice plate type natural gas metering device of claim 4, characterized in that: the inner side walls of the two connecting flanges (36) are symmetrically and fixedly connected to the two ends of the outer side wall of the pipe body (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202221934048.6U CN217953566U (en) | 2022-07-25 | 2022-07-25 | Novel orifice plate type natural gas metering device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221934048.6U CN217953566U (en) | 2022-07-25 | 2022-07-25 | Novel orifice plate type natural gas metering device |
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| CN217953566U true CN217953566U (en) | 2022-12-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116412862A (en) * | 2023-06-02 | 2023-07-11 | 陇东学院 | Natural gas flow measuring device based on automatic calibration |
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- 2022-07-25 CN CN202221934048.6U patent/CN217953566U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116412862A (en) * | 2023-06-02 | 2023-07-11 | 陇东学院 | Natural gas flow measuring device based on automatic calibration |
| CN116412862B (en) * | 2023-06-02 | 2023-08-04 | 陇东学院 | Natural gas flow measuring device based on automatic calibration |
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