CN204027607U - Vortex precession flowmeter - Google Patents
Vortex precession flowmeter Download PDFInfo
- Publication number
- CN204027607U CN204027607U CN201420387495.3U CN201420387495U CN204027607U CN 204027607 U CN204027607 U CN 204027607U CN 201420387495 U CN201420387495 U CN 201420387495U CN 204027607 U CN204027607 U CN 204027607U
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- CN
- China
- Prior art keywords
- housing
- data line
- quartz sensor
- vortex precession
- venturi tube
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Abstract
The utility model provides a kind of vortex precession flowmeter, comprise housing, described housing two ends are respectively arranged with entrance and exit, porch is provided with inlet flange, exit is provided with discharge flange, in housing, be provided with spiral and play spigot, the front end that spiral plays spigot is provided with Venturi tube, the rear end that spiral plays spigot is detection zone, in detection zone, be provided with at least one piezoeletric quartz sensor, piezoeletric quartz sensor is through housing and be connected with data line, data line connects signal processor, behind detection zone, be provided with racemization district, on described housing, go back set temperature sensor and pressure transducer.The utility model goes out to be provided with Venturi tube at entrance, improve the precision and stability that low flow rates of fluid is measured, adopt spiral to play spigot as eddy generator, and after being arranged on Venturi tube, can produce more powerful whirlpool, the signal that probe is obtained is stronger, effectively raises the measurement lower limit of fluid, the corresponding range ability that improved.
Description
Technical field
The utility model belongs to flow detector, particularly a kind of vortex precession flowmeter.
Background technology
Vortex precession flowmeter is widely used in the industries such as oil, chemical industry, electric power, metallurgy, city air feed and measures various gas flows, is the first-selected product of current oil field and the metering of city gas transmission & distribution and Trade Measures.Vortex precession flowmeter is a kind of fluid oscillating flowmeter, utilizes vortex precession phenomenon to carry out flow measurement, and vortex precession frequency is directly proportional to the flow of fluid.In commercial production, in some situation, being unwilling to apply vortex precession flowmeter is exactly because its pressure loss is large, so optimize vortex precession flowmeter, reduces its pressure loss and is very important.
Utility model content
The purpose of this utility model is to provide a kind of vortex precession flowmeter, to reduce the pressure loss, and the range of application of expansion precession spiral flowmeter.
For achieving the above object, the utility model is by the following technical solutions:
A kind of vortex precession flowmeter, comprise housing, described housing two ends are respectively arranged with entrance and exit, porch is provided with inlet flange, exit is provided with discharge flange, in housing, be provided with spiral and play spigot, the front end that spiral plays spigot is provided with Venturi tube, the rear end that spiral plays spigot is detection zone, in detection zone, be provided with at least one piezoeletric quartz sensor, piezoeletric quartz sensor is through housing and be connected with data line, data line connects signal processor, behind detection zone, be provided with racemization district, on described housing, go back set temperature sensor and pressure transducer.
Described Venturi tube comprises an outer Venturi tube, and is arranged on the inner venturi tube of this outer Venturi tube inside.
Described spiral plays spigot and comprises helical blade, chock plug and impeller point, and the front end of helical blade is installed impeller point, and chock plug is installed in the rear end of helical blade.
Described helical blade is six.
Described data line bit is in being arranged on the shielded-plate tube of hull outside.
Described piezoeletric quartz sensor is 2, is respectively the first piezoeletric quartz sensor, the second piezoeletric quartz sensor, and the first piezoeletric quartz sensor is connected with the first data line, and the first data line bit is in the first shielded-plate tube; The second piezoeletric quartz sensor is connected with the second data line, and the second data line bit is in secondary shielding pipe, and the first piezoeletric quartz sensor and the second piezoeletric quartz sensor are symmetricly set on housing.
It in the residing housing in described racemization district, is one section of increaser.
Described racemization is provided with despinner in district.
Described porch is provided with screen pack.
The beneficial effects of the utility model are: the utility model goes out to be provided with Venturi tube at entrance, improve the precision and stability that low flow rates of fluid is measured, adopt spiral to play spigot as eddy generator, and after being arranged on Venturi tube, can produce more powerful whirlpool, the signal that probe is obtained is stronger, effectively raise the measurement lower limit of fluid, the corresponding range ability that improved, also be provided with temperature sensor and pressure transducer, can detected temperatures and pressure, piezoeletric quartz sensor is multiple, test fluid vortex precession signal and pipe vibration and Pulsating Flow noise signal simultaneously, the signal transmitting according to multiple piezoeletric quartz sensors, by front panel processing circuit processes, output signal has become many times of signal on original single-sensor, effectively weaken the interference that extraneous mechanical vibration cause, and one of them damage, can utilize working on of other in the same old way, effectively ensure work efficiency.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation that spiral of the present utility model plays spigot.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach object and effect is easy to understand, below in conjunction with embodiment, further set forth the utility model.
Below in conjunction with accompanying drawing, the utility model is described further.
As shown in Figure 1, a kind of vortex precession flowmeter, comprise housing 1, described housing 1 two ends are respectively arranged with entrance 2 and outlet 3, entrance 2 places are provided with inlet flange 4, export 3 places and be provided with discharge flange 5, in housing 1, be provided with spiral and play spigot 6, the front end that spiral plays spigot 6 is provided with Venturi tube 7, the rear end that spiral plays spigot 6 is detection zone 8, in detection zone 8, be provided with 2 piezoeletric quartz sensors, be respectively the first piezoeletric quartz sensor 11, the second piezoeletric quartz sensor 16, the first piezoeletric quartz sensor 11 is connected with the first data line 12, the first data line 12 is positioned at the first shielded-plate tube 18, the second piezoeletric quartz sensor 16 is connected with the second data line 17, the second data line 16 is positioned at secondary shielding pipe 19, the first piezoeletric quartz sensor 11 and the second piezoeletric quartz sensor 16 are symmetricly set on housing 1, behind detection zone, be provided with racemization district 9, on described housing 1, go back set temperature sensor 13 and pressure transducer 14.
Venturi tube 7 comprises an outer Venturi tube 71, and is arranged on the inner venturi tube 72 of these outer Venturi tube 71 inside.Improve the precision and stability that low flow rates of fluid is measured.As shown in Figure 2, spiral plays spigot 6 and comprises helical blade 61, chock plug 62 and impeller point 63, and the front end of helical blade 62 is installed impeller point 63, and chock plug 62 is installed in the rear end of helical blade 61.Helical blade 61 is six.The whirlpool producing is more powerful, and the signal that probe is obtained is stronger, effectively raises the measurement lower limit of fluid, the corresponding range ability that improved.
In the residing housing in racemization district 9, be one section of increaser, contribute to eliminate the whirlpool that leading portion produces.
In racemization district 9, be provided with despinner 10, further eliminate whirlpool.
Entrance 2 places are provided with screen pack 15.For the impurity of filter liquide, in order to avoid stop up flowmeter.
More than show and described ultimate principle of the present utility model and principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and instructions, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (9)
1. a vortex precession flowmeter, it is characterized in that: comprise housing (1), described housing (1) two ends are respectively arranged with entrance (2) and outlet (3), entrance (2) locates to be provided with inlet flange (4), outlet (3) locates to be provided with discharge flange (5), in housing (1), be provided with spiral and play spigot (6), the front end that spiral plays spigot (6) is provided with Venturi tube (7), the rear end that spiral plays spigot (6) is detection zone (8), detection zone is provided with at least one piezoeletric quartz sensor in (8), piezoeletric quartz sensor is through housing (1) and be connected with data line, data line connects signal processor, behind detection zone, be provided with racemization district (9), on described housing (1), go back set temperature sensor (13) and pressure transducer (14).
2. vortex precession flowmeter as claimed in claim 1, is characterized in that: described Venturi tube (7) comprises an outer Venturi tube (71), and is arranged on the inner inner venturi tube (72) of this outer Venturi tube (71).
3. vortex precession flowmeter as claimed in claim 1, it is characterized in that: described spiral plays spigot (6) and comprises helical blade (61), chock plug (62) and impeller point (63), the front end of helical blade (62) is installed impeller point (63), and chock plug (62) is installed in the rear end of helical blade (61).
4. vortex precession flowmeter according to claim 3, is characterized in that: described helical blade (61) is six.
5. according to the vortex precession flowmeter described in claim 1, it is characterized in that: described data line bit is in being arranged on the shielded-plate tube of hull outside.
6. vortex precession flowmeter according to claim 1 or 5, it is characterized in that: described piezoeletric quartz sensor is 2, be respectively the first piezoeletric quartz sensor (11), the second piezoeletric quartz sensor (16), the first piezoeletric quartz sensor (11) is connected with the first data line (12), and the first data line (12) is positioned at the first shielded-plate tube (18); The second piezoeletric quartz sensor (16) is connected with the second data line (17), and the second data line (16) is positioned at secondary shielding pipe (19), and the first piezoeletric quartz sensor (11) and the second piezoeletric quartz sensor (16) are symmetricly set on housing (1).
7. vortex precession flowmeter as claimed in claim 1, is characterized in that: in the residing housing in described racemization district (9), be one section of increaser.
8. vortex precession flowmeter as claimed in claim 1 or 2, is characterized in that: in described racemization district (9), be provided with despinner (10).
9. vortex precession flowmeter as claimed in claim 1 or 2, is characterized in that: described entrance (2) locates to be provided with screen pack (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420387495.3U CN204027607U (en) | 2014-07-15 | 2014-07-15 | Vortex precession flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420387495.3U CN204027607U (en) | 2014-07-15 | 2014-07-15 | Vortex precession flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204027607U true CN204027607U (en) | 2014-12-17 |
Family
ID=52067451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420387495.3U Expired - Fee Related CN204027607U (en) | 2014-07-15 | 2014-07-15 | Vortex precession flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204027607U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109099976A (en) * | 2018-09-07 | 2018-12-28 | 广州南控自动化设备有限公司 | Precession vortex flowmeter |
| CN111693098A (en) * | 2019-03-15 | 2020-09-22 | 江苏微浪电子科技有限公司 | Precession flowmeter of reinforcing swirl intensity |
| CN112129359A (en) * | 2020-10-14 | 2020-12-25 | 江苏点滴科技工程有限公司 | High-pressure-resistant precession vortex flowmeter for oil field |
-
2014
- 2014-07-15 CN CN201420387495.3U patent/CN204027607U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109099976A (en) * | 2018-09-07 | 2018-12-28 | 广州南控自动化设备有限公司 | Precession vortex flowmeter |
| CN111693098A (en) * | 2019-03-15 | 2020-09-22 | 江苏微浪电子科技有限公司 | Precession flowmeter of reinforcing swirl intensity |
| CN112129359A (en) * | 2020-10-14 | 2020-12-25 | 江苏点滴科技工程有限公司 | High-pressure-resistant precession vortex flowmeter for oil field |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141217 Termination date: 20170715 |