CN207197589U - A kind of natural gas vortex precession flowmeter - Google Patents
A kind of natural gas vortex precession flowmeter Download PDFInfo
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- CN207197589U CN207197589U CN201720778999.1U CN201720778999U CN207197589U CN 207197589 U CN207197589 U CN 207197589U CN 201720778999 U CN201720778999 U CN 201720778999U CN 207197589 U CN207197589 U CN 207197589U
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Abstract
The utility model discloses a kind of natural gas vortex precession flowmeter, including housing, swirl generating body, sensor and intelligent flow meter integrating instrument, helical blade is fixedly connected with the swirl generating body, despinner is fixedly connected with inside the housing outlet end, the sensor includes pressure sensor, temperature sensor and pressure crystal probe, the intelligent flow meter integrating instrument includes display screen, indicator lamp and key device, the display screen is divided into Temporary Flow screen and integrated flux screen, the key device includes parameter setting selection key, set key and reduce key, set key increase key, displacement key and reset key.By increasing built-in sensor, make its compact-sized, good appearance, improve security performance height.By the increase of spiral generating body, effectively force fluid to produce strong bumpy flow, improve the precession frequency to flow, be easy to measure.
Description
Technical field
A kind of flowmeter technology field is the utility model is related to, specially a kind of natural gas vortex precession flowmeter.
Background technology
Domestic some oil field Oil Reservoir Types are more, it is deep to bury, it is low to construct complexity, permeability, there is more than 1/3 oil in place category
Hyposmosis, extra-low permeability oil reservoirs.For these reserves, current water injection technology technology is difficult to meet that exploitation requires, mainly by day
Right energy exploitation, recovery ratio is 10% or so.Recovery ratio amplitude is big, post-processing is simple, does not corrode pipe to improve for natural gas drive
The advantages such as line, not polluted reservoir, turn into one of main direction of tertiary oil recovery technology.In recovery process, the metering of natural gas
Just seem most important.Existing flowmeter sensor is relatively simple, causes security performance not high, causes during pipe vibration to letter
Number interference, make to be not sufficiently stable during low discharge, and flow precession frequency is low, it has not been convenient to measure.
Utility model content
The technical problems to be solved in the utility model is the defects of overcoming prior art, there is provided a kind of natural gas precession vortex
Flowmeter, by increasing built-in sensor, make its compact-sized, good appearance, improve security performance height.This uses signal
Process amplifier and unique filtering technique, effectively eliminate interference signal caused by pressure oscillation and pipe vibration, greatly
The big antijamming capability for improving flowmeter, makes low discharge have outstanding stability.By the increase of spiral generating body, effectively
Force fluid to produce strong bumpy flow, improve the precession frequency to flow, be easy to measure.
To achieve the above object, the utility model provides following technical scheme：A kind of natural gas vortex precession flowmeter, bag
Housing, swirl generating body, sensor and intelligent flow meter integrating instrument are included, helical blade is fixedly connected with the swirl generating body,
Despinner is fixedly connected with inside the housing outlet end, it is brilliant that the sensor includes pressure sensor, temperature sensor and pressure
Body sensor, the intelligent flow meter integrating instrument include display screen, indicator lamp and key device, and the display screen is divided into interim stream
Amount screen and integrated flux screen, the key device reduce key, setting key increase key, position including parameter setting selection key, setting key
Move key and reset key.
Preferably, the swirl generating body is located at housing shrinkage section front portion, and is in be fixedly connected, the helical-blade
Piece is made up horizontal by 60 degree of angles, the swirl generating body of aluminium alloy.
Preferably, the pressure sensor spreads silicon bridge road as sensing element using pressure resistance type, and the temperature sensor is with platinum
Resistance is temperature-sensing element (device), and the pressure crystal probe is located at the throat close to housing expansion segment.
Preferably, the Temporary Flow screen is located at the middle and upper part of the intelligent flow meter integrating instrument, the integrated flux screen
Positioned at the lower section of the Temporary Flow screen, the indicator lamp is located at integrated flux screen right-hand member both sides up and down, and in symmetrical
Set, the key device is located at lower end in front of the intelligent flow meter integrating instrument.
Preferably, the parameter setting selection key is located at lower left in front of the intelligent flow meter integrating instrument, the setting
Key reduces key, setting key increase key and displacement key mapping in the right of the parameter setting selection key, and the reset key is positioned at described
The right side of displacement key.
Compared with prior art, the beneficial effects of the utility model are as follows：
1st, a kind of natural gas vortex precession flowmeter of the utility model, by increasing built-in sensor, make its structure tight
Gather, good appearance, improve security performance height.
2nd, a kind of natural gas vortex precession flowmeter of the utility model, using processing amplifier and unique filtering skill
Art, effectively eliminate pressure oscillation and pipe vibration caused by interference signal, substantially increase the anti-interference energy of flowmeter
Power, make low discharge that there is outstanding stability.
3rd, a kind of natural gas vortex precession flowmeter of the utility model, by the increase of spiral generating body, is effectively forced
Fluid produces strong bumpy flow, improves the precession frequency to flow, is easy to measure.
Brief description of the drawings
Fig. 1 is a kind of sectional view of natural gas vortex precession flowmeter of the utility model；
Fig. 2 is the structural representation of the utility model intelligent flow meter integrating instrument；
In figure：1- housings, 2- swirl generating bodies, 4- intelligent flow meter integrating instruments, 5- helical blades, 6- despinners, 7- pressures
Force snesor, 8- temperature sensors, 9- pressure crystal probes, 10- indicator lamps, 11- Temporary Flow screens, 12- integrated flux screens,
13- parameter setting selection keies, 14- setting keys reduce key, 15- setting key increase keys, 16- displacement keys, 17- reset keys.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe.
Fig. 1-2 is referred to, the utility model provides a kind of technical scheme：A kind of natural gas vortex precession flowmeter, including
Housing 1, swirl generating body 2, sensor and intelligent flow meter integrating instrument 4, helical blade is fixedly connected with the swirl generating body 2
5, despinner 6 is fixedly connected with inside the port of export of housing 1, the sensor includes pressure sensor 7, the and of temperature sensor 8
Pressure crystal probe 9, the intelligent flow meter integrating instrument 4 include display screen, indicator lamp 10 and key device, the display screen
It is divided into Temporary Flow screen 11 and integrated flux screen 12, the key device includes parameter setting selection key 13, setting key reduces key
14th, key increase key 15, displacement key 16 and reset key 17 are set.
The swirl generating body 2 is located at the contraction section of housing 1 front portion, and in being fixedly connected, its role is to force
Fluid produces strong bumpy flow, and for the helical blade 5 horizontal by 60 degree of angles, its role is to improve the generation of bumpy flow
Speed, the swirl generating body 2 are made up its role is to increase the service life of aluminium alloy, will not got rusty.
The pressure sensor 7 spreads silicon bridge road as sensing element using pressure resistance type, its role is to arm resistance in the external world
Performance of expected change can occur under pressure effect, therefore under the effect of certain exciting current, potential difference and the external world of two output end
Pressure is directly proportional, and the temperature sensor 8 is using RTD as temperature-sensing element (device), its role is in certain temperature range,
Its resistance value is with temperature into corresponding relation, and the pressure crystal probe 9 is located at the throat close to housing expansion segment, and it is acted on
In the frequency signal that can detect that vortex precession.
The Temporary Flow screen 11 is located at the middle and upper part of the intelligent flow meter integrating instrument 4, the integrated flux screen 12
In the lower section of the Temporary Flow screen 11, registration is read its role is to convenient, the indicator lamp 10 is located at the integrated flux
Shield 12 right-hand members both sides, and being symmetrical set up and down, its role is to when registration reaches a certain amount, effectively remind work
Personnel reset to registration, and the key device is located at the front lower end of intelligent flow meter integrating instrument 4, and its role is to do not influence
The use of other devices.
The parameter setting selection key 13 is located at the front lower left of intelligent flow meter integrating instrument 4, and the setting key subtracts
Small key 14, setting key increase key 15 and displacement key 16 are located at the right of the parameter setting selection key 13, and its role is to convenient
Regulation to registration on display screen, the reset key 17 are located at the right side of the displacement key 16, and its role is to facilitate removing to show
Number.
Operation principle：After fluid is by swirl generating body 2 that are made up of spiral vane 5, fluid is forced around generation
Body axle acutely rotates, and forms vortex.When fluid enters diffuser, bumpy flow is started to make secondary rotating by the effect to flow back,
Form the vortex precession phenomenon of gyroscope type.The precession frequency is directly proportional to uninterrupted, not by physical property of fluid and density
Influence.Detecting element measures fluid secondary rotating precession frequency, has been known that flow.And it can be obtained in wider range of flow
Obtain the linearity well.
When in use, by increasing built-in sensor, make its compact-sized, good appearance, improve security performance height.
This is effectively eliminated and done caused by pressure oscillation and pipe vibration using processing amplifier and unique filtering technique
Signal is disturbed, substantially increases the antijamming capability of flowmeter, makes low discharge that there is outstanding stability.Pass through spiral generating body 2
Increase, effectively force fluid to produce strong bumpy flow, improve the precession frequency to flow, be easy to measure.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, although ginseng
The utility model is described in detail according to previous embodiment, for those skilled in the art, it still can be with
Technical scheme described in foregoing embodiments is modified, or equivalent substitution is carried out to which part technical characteristic.It is all
Within the spirit and principles of the utility model, any modification, equivalent substitution and improvements made etc., this practicality should be included in
Within new protection domain.
Claims (5)
1. a kind of natural gas vortex precession flowmeter, including housing (1), swirl generating body (2), sensor and intelligent flow meter product
Calculate instrument (4), it is characterised in that：Helical blade (5) is fixedly connected with the swirl generating body (2), in housing (1) port of export
Portion is fixedly connected with despinner (6), and the sensor includes pressure sensor (7), temperature sensor (8) and pressure crystal probe
(9), the intelligent flow meter integrating instrument (4) is divided into temporarily including display screen, indicator lamp (10) and key device, the display screen
Flow screen (11) and integrated flux screen (12), the key device includes parameter setting selection key (13), setting key reduces key
(14) key increase key (15), displacement key (16) and reset key (17), are set.
A kind of 2. natural gas vortex precession flowmeter according to claim 1, it is characterised in that：The swirl generating body
(2) it is anterior positioned at the housing (1) contraction section, and in being fixedly connected, the helical blade (5) horizontal by 60 degree of angles,
The swirl generating body (2) is made up of aluminium alloy.
A kind of 3. natural gas vortex precession flowmeter according to claim 1, it is characterised in that：The pressure sensor
(7) silicon bridge road is spread as sensing element using pressure resistance type, the temperature sensor (8) is described using RTD as temperature-sensing element (device)
Pressure crystal probe (9) is located at the throat close to housing expansion segment.
A kind of 4. natural gas vortex precession flowmeter according to claim 1, it is characterised in that：The Temporary Flow screen
(11) it is located at the middle and upper part of the intelligent flow meter integrating instrument (4), the integrated flux screen (12) is located at the Temporary Flow screen
(11) lower section, the indicator lamp (10) are located at integrated flux screen (12) right-hand member both sides, and being symmetrical set, institute up and down
State key device and be located at lower end in front of the intelligent flow meter integrating instrument (4).
A kind of 5. natural gas vortex precession flowmeter according to claim 1, it is characterised in that：The parameter setting selection
Key (13) is located at lower left in front of the intelligent flow meter integrating instrument (4), and the setting key reduces key (14), setting key increase key
(15) and displacement key (16) is located at the right of the parameter setting selection key (13), and the reset key (17) is located at the displacement key
(16) right side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720778999.1U CN207197589U (en) | 2017-06-30 | 2017-06-30 | A kind of natural gas vortex precession flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720778999.1U CN207197589U (en) | 2017-06-30 | 2017-06-30 | A kind of natural gas vortex precession flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207197589U true CN207197589U (en) | 2018-04-06 |
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ID=61784449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720778999.1U Expired - Fee Related CN207197589U (en) | 2017-06-30 | 2017-06-30 | A kind of natural gas vortex precession flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207197589U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115576512A (en) * | 2022-10-24 | 2023-01-06 | 威海市天罡仪表股份有限公司 | Electronic display device for simulating mechanical display and data storage method thereof |
-
2017
- 2017-06-30 CN CN201720778999.1U patent/CN207197589U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115576512A (en) * | 2022-10-24 | 2023-01-06 | 威海市天罡仪表股份有限公司 | Electronic display device for simulating mechanical display and data storage method thereof |
| CN115576512B (en) * | 2022-10-24 | 2023-07-25 | 威海市天罡仪表股份有限公司 | Electronic display device simulating mechanical display and data storage method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180406 Termination date: 20200630 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |