CN202757650U - Steam screw-in vortex flowmeter - Google Patents
Steam screw-in vortex flowmeter Download PDFInfo
- Publication number
- CN202757650U CN202757650U CN 201220468157 CN201220468157U CN202757650U CN 202757650 U CN202757650 U CN 202757650U CN 201220468157 CN201220468157 CN 201220468157 CN 201220468157 U CN201220468157 U CN 201220468157U CN 202757650 U CN202757650 U CN 202757650U
- Authority
- CN
- China
- Prior art keywords
- housing
- interface
- pressure
- vortex
- integrating instrument
- Prior art date
Links
- 239000007769 metal materials Substances 0.000 claims abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 3
- 239000007789 gases Substances 0.000 abstract description 2
- 239000011257 shell materials Substances 0.000 abstract 6
- 230000017525 heat dissipation Effects 0.000 abstract 4
- 238000005516 engineering processes Methods 0.000 description 3
- 241000937413 Axia Species 0.000 description 1
- 244000171263 Ribes grossularia Species 0.000 description 1
- 280000398338 Seismic companies 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 230000003139 buffering Effects 0.000 description 1
- 238000004364 calculation methods Methods 0.000 description 1
- 239000000919 ceramics Substances 0.000 description 1
- 239000006185 dispersions Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000000034 methods Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
Abstract
Description
Technical field
The utility model belongs to the gas meter equipment technical field, relates in particular to a kind of precession vortex formula flowmeter for the vapor flow rate measurement.
Background technology
At present, generally adopt in the world vortex shedding flow meter as Trade Measures and the measure of production of steam, because the comparison of seismic resistant properties of vortex shedding flow meter is poor, often the vibrations of steam pipeline are relatively large, occur so often occur the inaccurate situation of metering in the metering process.Just because of this, on the pipeline of vapour measurement, often install additional such as devices such as buffering corrugated tubes, utilize corrugated tube to reduce pipe vibration to the impact of vortex shedding flow meter.Give in the actual production and bring inconvenience, increased many unnecessary costs.
The utility model content
The utility model provides a kind of vortex precession flowmeter for the vapor flow rate measurement for solving the technical matters that exists in the known technology, has higher measuring accuracy and stronger anti-seismic performance, reduces and produces and installation cost.
The technical scheme that the utility model is taked for the technical matters that exists in the solution known technology is: the steam vortex precession flowmeter comprises that inside is the housing of venturi tube structure, is provided with swirl generating body, is provided with despinner in its terminal at its top; Sidewall at described housing is provided with pressure interface, temperature survey interface and flow measurement interface, is provided with temperature sensor in described temperature survey interface, is provided with resistant to elevated temperatures piezoelectric sensor in described flow measurement interface; Also comprise the electronics integrating instrument, described electronics integrating instrument is connected in the outer wall of described housing by heat radiation pole metal material, that the surface is provided with heat radiator; Also be provided with pressure transducer on described electronics integrating instrument, described pressure transducer is connected to described pressure interface by the heat radiation pressure pipe; Described pressure transducer, temperature sensor and piezoelectric sensor all are electrically connected to the signal input part of described electronics integrating instrument.
Advantage of the present utility model and good effect are: the utility model proposes a kind of vortex precession flowmeter for measuring vapor flow rate, solved the poor problem of the vibration strength of eddy currents flowmeter and the production that brings thus in the prior art, problem that installation cost is high.Pressure transducer is located on the electronics integrating instrument, is connected at a distance the higher housing of temperature by the heat radiation pressure pipe, has avoided sensor to be subject to the impact of high temperature in the time of accurate pressure measurement.The electronics integrating instrument is connected to housing by the heat radiation pole of good heat dispersion performance; the heat that conduction comes from housing is dispersed in the surrounding environment by the heat radiator on the heat radiation pole; conduct to like this on the electronics integrating instrument heat just seldom, effectively protected the precision components in the electronics integrating instrument.Piezoelectric sensor is chosen for high temperature resistant piezoelectric sensor, and serviceable life is also longer when guaranteeing measuring accuracy.
Preferably: described heat radiation pressure pipe is thin metallic tubd, reels in the middle part spirality.
Preferably: described pressure interface is located at the end of described enclosure interior contraction section.
Preferably: described temperature survey interface is located at the top of described enclosure interior expansion segment.
Preferably: described flow measurement interface is located at the intersection of described enclosure interior contraction section and expansion segment, and quantity is two, and both centerline collineations and intersect at same point with the center line of described housing.
Description of drawings
Fig. 1 is that master of the present utility model looks and phantom view;
Fig. 2 is that a left side of the present utility model is looked and phantom view.
Among the figure: 1, electronics integrating instrument; 2, pressure transducer; 3, heat radiation pressure pipe; 4, swirl generating body; 5, housing; 6, heat radiation pole; 7, temperature sensor; 8, despinner; 9, piezoelectric sensor.
Embodiment
For further understanding summary of the invention of the present utility model, Characteristic, hereby exemplify following examples, and cooperate accompanying drawing to be described in detail as follows:
See also Fig. 1 and Fig. 2, the utility model comprises housing 5, and its inside is venturi tube structure, namely comprises a contraction section and an expansion segment.Be provided with swirl generating body 4 in the porch of housing 5, be provided with despinner 8 in its exit.
Sidewall at housing 5 arranges pressure interface, temperature survey interface and flow measurement interface.Wherein, the pressure interface is located at the end of housing 5 internal contraction sections, and the temperature survey interface is located at the top of housing 5 interior expansion sections, and the flow measurement interface is located at the intersection of housing 5 internal contraction sections and expansion segment.In the temperature survey interface, be provided with temperature sensor 7, in the flow measurement interface, be provided with resistant to elevated temperatures piezoelectric sensor 9, be preferably piezoelectric ceramics.
Also comprise electronics integrating instrument 1, this electronics integrating instrument 1 is connected in the outer wall of housing 5 by heat radiation pole 6 metal material, that the surface is provided with heat radiator.Also be provided with pressure transducer 2 on electronics integrating instrument 1, this pressure transducer 2 is connected to the pressure interface by heat radiation pressure pipe 3, and the pressure pipe 3 that herein dispels the heat is reeled in the middle part spirality for thin metallic tubd.This kind structure compactness attractive in appearance makes heat conducting area change, acceleration be delivered to the decay of the heat on the pressure transducer 2, and pressure transducer 2 is under the normal temperature always, has avoided the damage of high temperature to sensor.
Pressure transducer 2, temperature sensor 7 and piezoelectric sensor 9 all are electrically connected to the signal input part of electronics integrating instrument 1.Piezoelectric sensor 9 is two in the present embodiment, relatively is arranged on the sidewall of housing 5 front and backs, and preferably, both centerline collineations also intersect at same point with the center line of housing 5.
The course of work and measuring principle: when the steam of axia flow enters in the flowmeter, plaing a part under the whirlpool device, be forced to stir back wall and rotate around center line, producing eddy-currents.Eddy-currents is precession in Venturi tube, arrives the unexpected throttling of contraction section, and eddy-currents accelerates, and when by expansion segment, the whirlpool center is along a conical helix precession.At this moment, the whirlpool center is directly proportional with the flow velocity of steam by the precession frequency of check point.The eddy-currents precession frequency signal that piezoelectric sensor 9 detects is through front end circuit amplification, filtering, Shape correction, after rejecting external undesired signal, convert the pulse signal with the rapid-result direct ratio of steam flow to, the signal that detects with temperature sensor 7, pressure transducer 2 is sent into and is carried out conventionally calculation and compensation computing in the electronics integrating instrument 1, and the volumetric flow rate of steam and total amount directly are shown on the LCD screen.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220468157 CN202757650U (en) | 2012-09-14 | 2012-09-14 | Steam screw-in vortex flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220468157 CN202757650U (en) | 2012-09-14 | 2012-09-14 | Steam screw-in vortex flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202757650U true CN202757650U (en) | 2013-02-27 |
Family
ID=47736823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220468157 CN202757650U (en) | 2012-09-14 | 2012-09-14 | Steam screw-in vortex flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202757650U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103267545A (en) * | 2013-05-17 | 2013-08-28 | 杭州冠一流体技术有限公司 | Procession vortex flow meter |
| CN103630171A (en) * | 2013-08-19 | 2014-03-12 | 三正集团股份有限公司 | Mining screw-in vortex flow sensor |
| CN103808374A (en) * | 2014-02-11 | 2014-05-21 | 合肥精大仪表股份有限公司 | Steam vortex shedding flowmeter measuring multiple parameters |
| CN103808373A (en) * | 2014-01-26 | 2014-05-21 | 上海肯特仪表股份有限公司 | High-precision vortex flowmeter |
| CN107727163A (en) * | 2017-10-11 | 2018-02-23 | 迈格仪表(成都)有限公司 | A kind of control method and control system for steam type vortex precession flowmeter |
-
2012
- 2012-09-14 CN CN 201220468157 patent/CN202757650U/en not_active IP Right Cessation
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103267545A (en) * | 2013-05-17 | 2013-08-28 | 杭州冠一流体技术有限公司 | Procession vortex flow meter |
| CN103267545B (en) * | 2013-05-17 | 2016-01-13 | 杭州冠一流体技术有限公司 | Precession spiral flowmeter |
| CN103630171A (en) * | 2013-08-19 | 2014-03-12 | 三正集团股份有限公司 | Mining screw-in vortex flow sensor |
| CN103808373A (en) * | 2014-01-26 | 2014-05-21 | 上海肯特仪表股份有限公司 | High-precision vortex flowmeter |
| CN103808374A (en) * | 2014-02-11 | 2014-05-21 | 合肥精大仪表股份有限公司 | Steam vortex shedding flowmeter measuring multiple parameters |
| CN107727163A (en) * | 2017-10-11 | 2018-02-23 | 迈格仪表(成都)有限公司 | A kind of control method and control system for steam type vortex precession flowmeter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7600436B2 (en) | Measuring system with a flow conditioner arranged at an inlet of a measuring tube | |
| CN101576399B (en) | Flow sensor of ultrasonic water meter and heat meter | |
| US9726530B2 (en) | Flowmeter design for large diameter pipes | |
| CN104048808B (en) | A kind of kolmogorov sinai entropy probe | |
| CN101382445B (en) | Double differential pressure throttle moisture measuring device | |
| CN100538307C (en) | A kind of wind tunnel calibration method for large flow gas pipeline averaging velocity tube flowmeter | |
| CN203479275U (en) | High-temperature resistant electromagnetic ultrasonic thickness measurement probe | |
| CN101839738B (en) | Wet steam flow instrument and measuring method | |
| WO2009018694A1 (en) | A multiphase flow metering method and a multiphase flow meter using the same | |
| CN106441468B (en) | A kind of Venturi meter and its measurement method of achievable bidirectional traffics measurement | |
| CN101788313B (en) | High-frequency response fluid transient flow meter | |
| CN202182740U (en) | Porous steady-flow differential pressure type flow meter | |
| CN203657865U (en) | Coriolis mass flow meter | |
| CN203037314U (en) | Ultrasonic wave liquid level measurement device | |
| CN107024603B (en) | Gas-liquid two-phase bubbly flow flow velocity acoustic-electric bimodal measurement method | |
| EP2420805A3 (en) | Straight tube ultrasonic flow meter | |
| CN202471144U (en) | High-precision wide-range flowmeter | |
| CN104457863A (en) | Method and wire pipe air speed flow meter for measuring air speeds on wire feeding pipelines | |
| CN202145140U (en) | Intelligent vortex street flow meter with temperature pressure compensation device on vortex street generating body | |
| CN105509824B (en) | A kind of magneto flow of liquid metal gauge | |
| CN103070686B (en) | Device and method for measuring human body breathing mechanics parameter on basis of double differential-pressure sensors | |
| CN103076053A (en) | Mass flowmeter | |
| CN102680585B (en) | Ultrasonic detector based design method for water-logging probe water-spray coupling device | |
| WO2018205507A1 (en) | Dynamic five-hole probe | |
| CN202057366U (en) | Wide-range intelligence gas flow meter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EXPY | Termination of patent right or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130227 Termination date: 20150914 |