CN209069352U - A kind of flowmeter and its impulse piping device - Google Patents
A kind of flowmeter and its impulse piping device Download PDFInfo
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- CN209069352U CN209069352U CN201822272222.5U CN201822272222U CN209069352U CN 209069352 U CN209069352 U CN 209069352U CN 201822272222 U CN201822272222 U CN 201822272222U CN 209069352 U CN209069352 U CN 209069352U
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- Prior art keywords
- valve
- positive
- negative pressure
- negative
- transmitter
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- 238000011010 flushing procedure Methods 0.000 claims description 18
- 238000007664 blowing Methods 0.000 claims description 14
- 238000010408 sweeping Methods 0.000 claims description 8
- 238000005259 measurement Methods 0.000 abstract description 9
- 230000000903 blocking effect Effects 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 33
- 238000000034 method Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 6
- 238000009434 installation Methods 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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Abstract
The utility model discloses a kind of impulse piping devices, comprising: forward voltage diode, one end of forward voltage diode, which is provided with, takes positive pressure pipe fitting, and the other end is provided with transmitter positive pressure connector；Negative tube, one end of negative tube, which is provided with, takes negative pressure pipe fitting, and the other end is provided with transmitter negative pressure connector；Positive valve, positive valve are arranged in forward voltage diode；Negative pressure valve, negative pressure valve are arranged in negative tube.The utility model replaces threeway valve group in the prior art and five-way valve group using impulse piping device, and the internal diameter of the impulse piping in the utility model can be set sufficiently large, in addition can choose the internal diameter of internal duct sufficiently large positive valve and negative pressure valve.Therefore, the impulse piping device in the utility model can evade blocking, it is ensured that positive pressure gas flow and negative pressure gas flow are successfully flowed into differential pressure transmitter, to improve the measurement accuracy of flowmeter.The invention also discloses a kind of flowmeters with above-mentioned impulse piping device.
Description
Technical field
The utility model relates to industrial gasses flow measurement technology field, more specifically to a kind of flowmeter and its
Impulse piping device.
Background technique
In the prior art, usually the gas flow in pipeline is measured using gas flowmeter.The tool of measurement
Body principle are as follows: take out positive pressure gas flow from gas transmission pipeline and negative pressure gas flow, positive pressure gas flow and negative pressure gas flow pass through three respectively
Valve group (or five valve groups) flow to differential pressure transmitter, and the pressure difference of positive pressure gas flow and negative pressure gas flow is converted to gas by differential pressure transmitter
The flow of body.
But the pipeline inside three valve groups or five valve groups is very tiny, and when the intracorporal moisture of surveyed gas is larger, three valves
Pipeline inside group or five valve groups is easy moisture condensation suspension, blocks.So positive pressure gas flow and negative pressure gas flow just can not be successfully
Ground is flowed at differential pressure transmitter, and flowmeter cannot achieve accurate measurement.
Therefore, how to ensure that positive pressure gas flow and negative pressure gas flow are successfully flowed at differential pressure transmitter, to improve flow
The measurement accuracy of meter is those skilled in the art's critical problem urgently to be resolved.
Utility model content
The purpose of this utility model is to ensure that positive pressure gas flow and negative pressure gas flow are successfully flowed at differential pressure transmitter, thus
Improve the measurement accuracy of flowmeter.
A kind of impulse piping device, comprising:
Forward voltage diode, one end of the forward voltage diode, which is provided with, takes positive pressure pipe fitting, and the other end is provided with transmitter positive pressure connector；
Negative tube, one end of the negative tube, which is provided with, takes negative pressure pipe fitting, and the other end is provided with transmitter negative pressure connector；
Positive valve, the positive valve are arranged in the forward voltage diode；
Negative pressure valve, the negative pressure valve are arranged in the negative tube.
It preferably, further include positive-pressure back blowing valve, the forward voltage diode taken between positive pressure pipe fitting and the positive valve and institute
One end connection of positive-pressure back blowing valve is stated, blowback sweeping device is connect with the other end of the positive-pressure back blowing valve.
Preferably, the forward voltage diode taken between positive pressure pipe fitting and the positive valve by the first triple valve and it is described just
Press back-flushing valve connection.
It preferably, further include negative pressure back-flushing valve, the negative tube taken between negative pressure pipe fitting and the negative pressure valve and institute
One end connection of negative pressure back-flushing valve is stated, blowback sweeping device is connect with the other end of the negative pressure back-flushing valve.
Preferably, the negative tube taken between negative pressure pipe fitting and the negative pressure valve is born by the second triple valve with described
Press back-flushing valve connection.
Preferably, further include balanced valve, the forward voltage diode between the positive valve and the transmitter positive pressure connector with it is described
One end of balanced valve connects, and the negative tube between the negative pressure valve and the transmitter negative pressure connector is another with the balanced valve
End connection.
Preferably, the forward voltage diode between the positive valve and the transmitter positive pressure connector is formed with the first parantheses structure,
The first parantheses structure is protruded to the direction far from the negative tube；Between the negative pressure valve and the transmitter negative pressure connector
Negative tube be formed with the second parantheses structure, the second parantheses structure is protruded to the direction far from the forward voltage diode；It is described flat
Valve weigh between the first parantheses structure and the second parantheses structure.
Preferably, the forward voltage diode between the positive valve and the transmitter positive pressure connector by third triple valve with it is described
Balanced valve connection.
Preferably, the negative tube between the negative pressure valve and the transmitter negative pressure connector by the 4th triple valve with it is described
Balanced valve connection.
The invention also discloses a kind of flowmeters, including transmitter and impulse piping device, the transmitter to pass through
The impulse piping device with take forward voltage diode and negative tube taken to connect, the impulse piping device be any one of the above connecting pipe
Road device.
It can be seen from the above technical proposal that being taken in forward voltage diode just when positive valve pressure and negative pressure valve in the open state
Pressure gas stream is flowed into transmitter by forward voltage diode, and the negative pressure gas flow in negative tube is taken to be flowed into transmitter by negative tube.
The utility model replaces threeway valve group in the prior art and five-way valve group, leading in the utility model using impulse piping device
The internal diameter on pressure pipe road can be set sufficiently large, in addition can choose the internal diameter of internal duct sufficiently large positive valve and negative pressure
Valve.Therefore, the impulse piping device in the utility model can evade blocking, it is ensured that positive pressure gas flow and negative pressure gas flow successfully flow
Enter into differential pressure transmitter, to improve the measurement accuracy of flowmeter.
Detailed description of the invention
In order to illustrate more clearly of the scheme in the utility model embodiment, below will in embodiment describe required for make
Attached drawing is briefly described, it should be apparent that, the drawings in the following description are merely some embodiments of the present invention,
For those skilled in the art, without creative efforts, other be can also be obtained according to these attached drawings
Attached drawing.
Fig. 1 is the structural schematic diagram for the impulse piping device that one specific embodiment of the utility model provides.
Wherein, 11 for take positive pressure pipe fitting, 12 be positive pressure back-flushing valve, 13 be positive valve, 14 be transmitter positive pressure connector, 21
For take negative pressure pipe fitting, 22 be negative pressure back-flushing valve, 23 be negative pressure valve, 24 be transmitter negative pressure connector, 3 be balanced valve.
Specific embodiment
The utility model discloses a kind of impulse piping device, which can ensure positive pressure gas flow and negative pressure
Air-flow is successfully flowed at differential pressure transmitter, to improve the measurement accuracy of flowmeter.
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are in the premise for not making creative work
Under all other embodiment obtained, fall within the protection scope of the utility model.
In a specific embodiment of the present invention, impulse piping device include: forward voltage diode, negative tube, positive valve 13 with
And negative pressure valve 23.Wherein, one end of forward voltage diode, which is provided with, takes positive pressure pipe fitting 11, this takes positive pressure pipe fitting 11 to be used for and takes positive pressure
Pipe connection, takes forward voltage diode to be arranged in gas transmission pipeline, for intercepting positive pressure gas flow.The other end of forward voltage diode is provided with pick-up
Device positive pressure head 14, the transmitter positive pressure head 14 with the plemum of transmitter for connecting.One end of negative tube, which is provided with, to be taken
Negative pressure pipe fitting 21, this takes negative pressure pipe fitting 21 to be used to connect with negative tube is taken, negative tube is taken to be arranged in gas transmission pipeline,
For intercepting the negative pressure gas flow in gas transmission pipeline, and forward voltage diode is taken to be located at the downstream for taking negative tube.The setting of positive valve 13 exists
In forward voltage diode, for controlling the on and off of forward voltage diode.Negative pressure valve 23 is arranged in negative tube, for controlling leading for negative tube
Logical and cut-off.
When positive valve pressure and negative pressure valve 23 in the open state, the positive pressure gas flow in forward voltage diode is taken to be flowed by forward voltage diode
In transmitter, the negative pressure gas flow in negative tube is taken to be flowed into transmitter by negative tube.The present embodiment is filled using impulse piping
It sets and replaces threeway valve group in the prior art and five-way valve group, the internal diameter of the impulse piping in the present embodiment can be set enough
Greatly, the internal diameter of internal duct sufficiently large positive valve 13 and negative pressure valve 23 can in addition be chosen.Therefore, the pilot in the present embodiment
Piping installation can evade blocking, it is ensured that positive pressure gas flow and negative pressure gas flow are successfully flowed at differential pressure transmitter, to improve
The measurement accuracy of flowmeter.
Further, it is additionally arranged positive-pressure back blowing valve 12.The setting of positive-pressure back blowing valve 12 is taking positive pressure pipe fitting 11 and positive valve
Between 13, that is, take the forward voltage diode between positive pressure pipe fitting 11 and positive valve 13 that can connect with one end of positive-pressure back blowing valve 12, and
The other end of positive-pressure back blowing valve 12 is connect with blowback sweeping device.It blocks, is shut off at positive pressure pipe fitting 11 if taken
Positive valve 13 opens positive-pressure back blowing valve 12, starts blowback sweeping device, nitrogen is blown into forward voltage diode, will take positive pressure pipe fitting
Tamper at 11 is blown in gas transmission pipeline.Further, the positive pressure between positive pressure pipe fitting 11 and positive valve 13 is taken
Pipe is connect by the first triple valve with positive-pressure back blowing valve 12, and the first triple valve can simplify the installation of positive-pressure back blowing valve 12.
As a same reason, negative pressure back-flushing valve 22 can also be added.The setting of negative pressure back-flushing valve 22 is taking negative pressure pipe fitting 21 and is bearing
Between pressure valve 23, that is, take the negative tube between negative pressure pipe fitting 21 and negative pressure valve 23 that can connect with one end of negative pressure back-flushing valve 22
It connects, and the other end of negative pressure back-flushing valve 22 is connect with blowback sweeping device.It is blocked at negative pressure pipe fitting 21 if taken, just
Negative pressure valve 23 is closed, negative pressure back-flushing valve 22 is opened, starts blowback sweeping device, nitrogen is blown into negative tube, negative tube will be taken
Tamper at connector 21 is blown in gas transmission pipeline.Further, it takes between negative pressure pipe fitting 21 and negative pressure valve 23
Negative tube is connect by the second triple valve with negative pressure back-flushing valve 22, and the second triple valve can simplify the installation of negative pressure back-flushing valve 22.
Further, also it is additionally arranged balanced valve 3.Forward voltage diode and balance between positive valve 13 and transmitter positive pressure head 14
One end of valve 3 connects, and the negative tube between negative pressure valve 23 and transmitter negative pressure connector 24 is connect with the other end of balanced valve 3.When
When needing to return to zero to transmitter or adjust range, positive valve 13 and negative pressure valve 23 are closed, balanced valve 3 is opened, thus
The pressure value of the plemum and negative pressure chamber that make transmitter reaches equilibrium state.
Further, the forward voltage diode between positive valve 13 and transmitter positive pressure head 14 passes through third triple valve and balanced valve
3 connections.The setting of third triple valve simplifies the installation of balanced valve 3.Further, negative pressure valve 23 and transmitter negative pressure connector
Negative tube between 24 is connect by the 4th triple valve with balanced valve 3.The setting of 4th triple valve simplifies the peace of balanced valve 3
Dress.
Further, the forward voltage diode between positive valve 13 and transmitter positive pressure head 14 is formed with the first parantheses structure, should
First parantheses structure is protruded to the direction far from negative tube.Negative tube between negative pressure valve 23 and transmitter negative pressure connector 24 is formed
There is the second parantheses structure, the second parantheses structure is protruded to the direction far from forward voltage diode.First parantheses structure and the second parantheses structure
A complete bracket structure is formd, and balanced valve 3 is located in the complete bracket structure.What the present embodiment setting extended out includes
The purpose of arc is to expand the distance between forward voltage diode and negative tube, consequently facilitating the installation of balanced valve 3.
The invention also discloses a kind of flowmeter, which includes transmitter, which passes through impulse piping
Device with take forward voltage diode and negative tube taken to connect.The impulse piping device is any one of the above impulse piping device, above-mentioned
Impulse piping device has said effect, and the flowmeter with above-mentioned impulse piping device equally has said effect, therefore herein
It repeats no more.
Finally, it is to be noted that, the terms "include", "comprise" or its any other variant are intended to contain herein
Lid non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, identical, similar portion may refer to each other between each embodiment.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (10)
1. a kind of impulse piping device characterized by comprising
Forward voltage diode, one end of the forward voltage diode, which is provided with, takes positive pressure pipe fitting (11), and the other end is provided with transmitter positive pressure connector
(14)；
Negative tube, one end of the negative tube, which is provided with, to be taken negative pressure pipe fitting (21), and the other end is provided with transmitter negative pressure connector
(24)；
Positive valve (13), the positive valve (13) are arranged in the forward voltage diode；
Negative pressure valve (23), the negative pressure valve (23) are arranged in the negative tube.
2. impulse piping device according to claim 1, which is characterized in that it further include positive-pressure back blowing valve (12), it is described to take
Forward voltage diode between positive pressure pipe fitting (11) and the positive valve (13) is connect with one end of the positive-pressure back blowing valve (12), blowback
Sweeping device is connect with the other end of the positive-pressure back blowing valve (12).
3. impulse piping device according to claim 2, which is characterized in that it is described take positive pressure pipe fitting (11) and it is described just
Forward voltage diode between pressure valve (13) is connect by the first triple valve with the positive-pressure back blowing valve (12).
4. impulse piping device according to claim 1, which is characterized in that it further include negative pressure back-flushing valve (22), it is described to take
Negative tube between negative pressure pipe fitting (21) and the negative pressure valve (23) is connected to one end of the negative pressure back-flushing valve (22), blowback
Sweeping device is connect with the other end of the negative pressure back-flushing valve (22).
5. impulse piping device according to claim 4, which is characterized in that the negative pressure pipe fitting (21) and described negative of taking
Negative tube between pressure valve (23) is connect by the second triple valve with the negative pressure back-flushing valve (22).
6. impulse piping device according to claim 1, which is characterized in that further include balanced valve (3), the positive valve
(13) forward voltage diode between the transmitter positive pressure connector (14) is connect with one end of the balanced valve (3), the negative pressure valve
(23) negative tube between the transmitter negative pressure connector (24) is connect with the other end of the balanced valve (3).
7. impulse piping device according to claim 6, which is characterized in that the positive valve (13) and the transmitter are just
Forward voltage diode between crimp head (14) is formed with the first parantheses structure, and the first parantheses structure is to the side far from the negative tube
To protrusion；Negative tube between the negative pressure valve (23) and the transmitter negative pressure connector (24) is formed with the second parantheses structure,
The second parantheses structure is protruded to the direction far from the forward voltage diode；The balanced valve (3) is located at the first parantheses structure
Between the second parantheses structure.
8. impulse piping device according to claim 6, which is characterized in that the positive valve (13) and the transmitter are just
Forward voltage diode between crimp head (14) is connect by third triple valve with the balanced valve (3).
9. impulse piping device according to claim 6, which is characterized in that the negative pressure valve (23) and the transmitter are negative
Negative tube between crimp head (24) is connect by the 4th triple valve with the balanced valve (3).
10. a kind of flowmeter, including transmitter and impulse piping device, the transmitter by the impulse piping device with take
Forward voltage diode with take negative tube and connect, which is characterized in that the impulse piping device is as described in any one of claims 1-9
Impulse piping device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822272222.5U CN209069352U (en) | 2018-12-29 | 2018-12-29 | A kind of flowmeter and its impulse piping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822272222.5U CN209069352U (en) | 2018-12-29 | 2018-12-29 | A kind of flowmeter and its impulse piping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209069352U true CN209069352U (en) | 2019-07-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822272222.5U Expired - Fee Related CN209069352U (en) | 2018-12-29 | 2018-12-29 | A kind of flowmeter and its impulse piping device |
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| CN (1) | CN209069352U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109506722A (en) * | 2018-12-29 | 2019-03-22 | 山东钢铁股份有限公司 | A kind of flowmeter and its impulse piping device |
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2018
- 2018-12-29 CN CN201822272222.5U patent/CN209069352U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109506722A (en) * | 2018-12-29 | 2019-03-22 | 山东钢铁股份有限公司 | A kind of flowmeter and its impulse piping device |
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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: 20190705 |