CN207610731U - A kind of corrosion-resistant target type meter - Google Patents
A kind of corrosion-resistant target type meter Download PDFInfo
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- CN207610731U CN207610731U CN201721302568.4U CN201721302568U CN207610731U CN 207610731 U CN207610731 U CN 207610731U CN 201721302568 U CN201721302568 U CN 201721302568U CN 207610731 U CN207610731 U CN 207610731U
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Abstract
The utility model discloses a kind of corrosion-resistant target type meters, belong to automation instrumentation.Including connecting flange, pipeline, cylinder and the measuring unit being arranged in cylinder, connecting flange is arranged in pipe ends, cylinder is arranged on pipeline, and connecting flange, pipeline and cylinder are integrally formed, and connecting flange, pipeline, cylinder and measuring unit and media contact surface are equipped with anticorrosion antiwear layer；Measuring unit includes sensor, target bar and the target plate in target boom end is arranged, and is connected by detachable mode between target bar and target plate, and target plate is equipped with guard circle.Setting is integrally formed so that not having gap and dead angle between each element, and anticorrosion antiwear layer keeps apart medium and target type meter, it will not cause the corrosion to target type meter, increase the stability and service life of flowmeter, to realize the stabilization of fluid measurement process route, accuracy is improved.
Description
Technical field
The utility model is related to a kind of flowmeter more particularly to a kind of corrosion-resistant target type meters, belong to instrument and meter for automation
Field.
Background technology
So-called flow refers to the Fluid Volume that closed conduct or open channel effective cross-section are flowed through in the unit interval, also known as instantaneous stream
Amount.Referred to as volume flow when flow is indicated with volume, the referred to as mass flow when Fluid Volume is with quality representation.Metering is industrial life
The eyes of production.Flow measurement is one of the component part of measuring science technology, it is with national economy, national defense construction, scientific research
There is close relationship.Carry out this work, to ensure product quality, improve production efficiency, the development for the technology that advances science all has
There is important role, current era especially more and more high in energy crisis, industrial production automation degree, flowmeter is in state
Status and effect in people's economy is more obvious.In industry spot, the instrument for measuring fluid flow is referred to as flowmeter or flow
Table.It is one of most important instrument in commercial measurement.With the development of industry, the accuracy of flow measurement and area requirement are got over
Come higher, in order to adapt to multiple use, various types of flowmeters are come out one after another, and petroleum gas, oil are widely used in
The industries such as work, water process, food and drink, pharmacy, the energy, metallurgy, paper pulp papermaking and construction material.
Target type meter started to be applied to industrial flow measurement in the sixties, was mainly used for solving high viscosity, low Reynolds
The flow measurement of number fluid.But it is complicated using raw material chemical property in chemical industry and its extraordinary production, there is corruption to many metal materials
Erosion, so difficulty is caused to test instrumentation type selecting, and existing target-type flow is in respect of certain use limitation, it is most of to measure
Due to being metal material, use scope is greatly affected instrument.
Utility model content
The utility model aims to solve the problem that prior art problem, and proposes a kind of corrosion-resistant target type meter.Pass through connection
Flange, pipeline and cylinder are integrally formed and the setting of anticorrosion antiwear layer, increases the stability that flowmeter measures work, and energy
Effectively improve the service life of original paper inside flowmeter.
A kind of corrosion-resistant target type meter, including connecting flange, pipeline, cylinder and the measuring unit being arranged in cylinder,
Connecting flange setting is arranged in pipe ends, cylinder on pipeline, and the connecting flange, pipeline and cylinder are integrally formed, connection
Flange, pipeline, cylinder and measuring unit and media contact surface are equipped with anticorrosion antiwear layer.
Further, the measuring unit includes sensor, target bar and is arranged the target plate in target boom end, target bar and target plate
Between connected by detachable mode, target plate be equipped with guard circle.
Further, the measuring unit upper end is equipped with transmitter, and transmitter is connected with display；In measuring unit and pick-up
Sealing diaphragm is equipped between device.
Further, the anticorrosion antiwear layer is Hastelloy coating or Si Tailai alloy coats, and anticorrosion antiwear layer passes through
Plasma spray coating mode is arranged in connecting flange, pipeline, cylinder and measuring unit and media contact surface.
Utility model works principle：When medium flows in measurement pipe, because the kinetic energy of its own and target plate generate pressure
Difference, and generating to the active force of target plate makes target plate generate micro displacement, the size of active force and velocity of medium square at
Direct ratio, mathematical formulae：F = Cd·A·ρ·V2/2（Active force suffered by F- target plates, Cd- Flow Resistant Coefficients, A- target plates
To measurement pipe axial projective area, Media density under ρ-operating mode, feature flow velocity of the V- media in measurement pipe）, suffered by target plate
Active force is transmitted through target bar, and so that the elastomer of sensor is generated micro variation and exported corresponding telecommunications by circuit conversion
Number.
Using the utility model, the advantageous effects brought are：
（1）The utility model is arranged by the way that connecting flange, pipeline and cylinder to be integrally formed so that does not have between each element
Gap and dead angle, then it is being equipped with anticorrosion antiwear layer with media contact surface, medium and target type meter are kept apart, Bu Huizao
The corrosion of pairs of target type meter, increases the stability and service life of flowmeter.Solve anti-corrosion, the target plate of flowmeter
Compressive deformation improve accuracy to realize the stabilization of fluid measurement process route；
（2）In the present invention, it is connected by detachable mode between target bar and target plate, easy access and replacement target
Plate.Target plate is equipped with guard circle, effectively prevent compressive deformation of the medium to target plate；
（3）In the present invention, the signal that sensor detection target plate transmits, the signal that transmitter exports sensor turn
Become the signal that can be identified by controller, display receives the signal of transmitter outflow, observed in real time for staff；
（4）In the present invention, anticorrosion antiwear layer by plasma spray coating mode be arranged connecting flange, pipeline,
Cylinder and measuring unit on media contact surface, plasma spray coating mode can make the setting of coating stable connecting flange,
In pipeline, cylinder and measuring unit and media contact surface, it is effectively increased coating service life, improves the flow meters work service life.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model
In figure, 1, connecting flange, 2, pipeline, 3, cylinder, 4, measuring unit, 5, sensor, 6, target bar, 7, target plate, 8, protect
Guard ring, 9, transmitter, 10, display, 11, sealing diaphragm.
Specific implementation mode
Below by the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described
Embodiment be only the utility model a part of the embodiment, instead of all the embodiments.Based on the reality in the utility model
Example is applied, all other embodiment obtained by those of ordinary skill in the art without making creative efforts all belongs to
In the range of the utility model protection.
Embodiment 1
A kind of corrosion-resistant target type meter, including connecting flange 1, pipeline 2, cylinder 3 and the measurement list being arranged in cylinder 3
Member 4, the setting of connecting flange 1 are arranged in 2 both ends of pipeline, cylinder 3 on pipeline 2, the connecting flange 1, pipeline 2 and cylinder 3 one
Body formed, connecting flange 1, pipeline 2, cylinder 3 and measuring unit 4 are equipped with anticorrosion antiwear layer with media contact surface.
Embodiment 2
A kind of corrosion-resistant target type meter, including connecting flange 1, pipeline 2, cylinder 3 and the measurement list being arranged in cylinder 3
Member 4, the setting of connecting flange 1 are arranged in 2 both ends of pipeline, cylinder 3 on pipeline 2, the connecting flange 1, pipeline 2 and cylinder 3 one
Body formed, connecting flange 1, pipeline 2, cylinder 3 and measuring unit 4 are equipped with anticorrosion antiwear layer with media contact surface.The measurement
Unit 4 includes sensor 5, target bar 6 and the target plate 7 in 6 end of target bar is arranged, and passes through detachable side between target bar 6 and target plate 7
Formula connects, and target plate 7 is equipped with guard circle 8.4 upper end of the measuring unit is equipped with transmitter 9, and transmitter 9 is connected with display 10；It is surveying
It measures and is equipped with sealing diaphragm 11 between unit 4 and transmitter 9.
Embodiment 3
As shown in Figure 1：A kind of corrosion-resistant target type meter, including connecting flange 1, pipeline 2, cylinder 3 and setting are in cylinder 3
Interior measuring unit 4, the setting of connecting flange 1 are arranged in 2 both ends of pipeline, cylinder 3 on pipeline 2, the connecting flange 1, pipeline 2
It is integrally formed with cylinder 3, connecting flange 1, pipeline 2, cylinder 3 and measuring unit 4 are equipped with anticorrosion antiwear layer with media contact surface.
The measuring unit 4 includes sensor 5, target bar 6 and the target plate 7 in 6 end of target bar being arranged, by can between target bar 6 and target plate 7
Detachable mode connects, and target plate 7 is equipped with guard circle 8.4 upper end of the measuring unit is equipped with transmitter 9, and transmitter 9 is connected with display
Device 10；Sealing diaphragm 11 is equipped between measuring unit 4 and transmitter 9.The anticorrosion antiwear layer be Hastelloy coating or this
Safe Lay alloy coat, anticorrosion antiwear layer are arranged in connecting flange 1, pipeline 2, cylinder 3 and are measured by plasma spray coating mode
On unit 4 and media contact surface.
When medium flows in measurement pipe, because the kinetic energy of its own and target plate 7 generate pressure difference, and generate to target plate 7
Active force makes target plate 7 generate micro displacement, the size of active force and square directly proportional, the mathematical formulae of velocity of medium：
F = Cd·A·ρ·V2/2（Active force suffered by F- target plates 7, Cd- Flow Resistant Coefficients, A- target plates 7 axially throw measurement pipe
Shadow area, Media density under ρ-operating mode, feature flow velocity of the V- media in measurement pipe）, the active force suffered by target plate 7, through target bar 6
It transmits, and so that the elastomer of sensor 5 is generated micro variation and export corresponding electric signal by circuit conversion.
Claims (3)
1. a kind of corrosion-resistant target type meter, including connecting flange（1）, pipeline（2）, cylinder（3）And it is arranged in cylinder（3）Interior
Measuring unit（4）, connecting flange（1）It is arranged in pipeline（2）Both ends, cylinder（3）It is arranged in pipeline（2）On, it is characterised in that：Institute
State connecting flange（1）, pipeline（2）And cylinder（3）It is integrally formed, connecting flange（1）, pipeline（2）, cylinder（3）And measuring unit
（4）It is equipped with anticorrosion antiwear layer with media contact surface；The measuring unit（4）Including sensor（5）, target bar（6）Exist with setting
Target bar（6）The target plate of end（7）, target bar（6）With target plate（7）Between connected by detachable mode, target plate（7）Equipped with protection
Circle（8）.
2. target type meter according to claim 1, it is characterised in that：The measuring unit（4）Upper end is equipped with transmitter
（9）, transmitter（9）It is connected with display（10）；In measuring unit（4）With transmitter（9）Between be equipped with sealing diaphragm（11）.
3. target type meter according to claim 1, it is characterised in that：The anticorrosion antiwear layer be Hastelloy coating or
Si Tailai alloy coats.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721302568.4U CN207610731U (en) | 2017-10-11 | 2017-10-11 | A kind of corrosion-resistant target type meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721302568.4U CN207610731U (en) | 2017-10-11 | 2017-10-11 | A kind of corrosion-resistant target type meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207610731U true CN207610731U (en) | 2018-07-13 |
Family
ID=62792445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721302568.4U Active CN207610731U (en) | 2017-10-11 | 2017-10-11 | A kind of corrosion-resistant target type meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207610731U (en) |
-
2017
- 2017-10-11 CN CN201721302568.4U patent/CN207610731U/en active Active
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