CN107806913A - Gas pipeline plurality of nozzle-type flow measuring probe - Google Patents
Gas pipeline plurality of nozzle-type flow measuring probe Download PDFInfo
- Publication number
- CN107806913A CN107806913A CN201711035266.XA CN201711035266A CN107806913A CN 107806913 A CN107806913 A CN 107806913A CN 201711035266 A CN201711035266 A CN 201711035266A CN 107806913 A CN107806913 A CN 107806913A
- Authority
- CN
- China
- Prior art keywords
- pipe fitting
- plate body
- nozzle
- plug
- pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 239000000523 sample Substances 0.000 title claims abstract description 7
- 239000012530 fluid Substances 0.000 claims abstract description 33
- 230000003247 decreasing effect Effects 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 7
- 206010022000 influenza Diseases 0.000 claims description 4
- 238000005259 measurement Methods 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 238000010008 shearing Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
- G01F1/34—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure
- G01F1/36—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction
- G01F1/40—Details of construction of the flow constriction devices
- G01F1/42—Orifices or nozzles
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
Abstract
The invention discloses gas pipeline plurality of nozzle-type flow measuring probe, including pipe fitting, straight length, sensor, two plugs and two pressure pipes, two pipe fittings are linked into an integrated entity by screw rod, the pipe fitting other end is logical to be connected with straight length, plug is provided with the end face of two pipe fittings, plate body is arranged between two plugs, multiple nozzles are provided with plate body, the air flue connected with inside pipe fitting is provided with plug side, pressure pipe one end connects with air flue, the pressure pipe other end connects with sensor, the dashpot connected with inside pipe fitting is provided with plug opposite side inwall, the diminution section that nozzle is successively decreased by the internal diameter being sequentially connected along fluid flow direction, flat segments and internal diameter flow to incremental expanding reach along fluid and formed.Connected between pipe fitting and pipe fitting, between pipe fitting and straight length using flange, substantially increase practicality of the pipe fitting in different types of sensor measurement process, facilitate staff's Fast Installation to dismantle.
Description
Technical field
The present invention relates to gas delivery art, in particular to gas pipeline plurality of nozzle-type flow measuring probe.
Background technology
Gas pipeline system needs periodically to detect the fluid of its inside in use, to ensure that it is steady that it is used
It is qualitative.Common detection includes flow detection, and typically carries out detection process using nozzle flowmeter；At present, nozzle flowmeter
The most frequently used form of nozzle has calibrating nozzle, Long Nozzle, Venturi nozzle etc., and these throttling form generally existings lack as follows
Point：The repeatability of measurement, accuracy mean level in flowmeter, because the factor influence of many is intricate, precision is difficult to
Improve；In-site installation condition requires higher, it is necessary to longer straight length, it is difficult to meets, the pressure loss is bigger.
The content of the invention
It is an object of the invention to provide gas pipeline plurality of nozzle-type flow measuring probe, to solve drawbacks described above.
The purpose of the present invention is achieved through the following technical solutions：
Gas pipeline plurality of nozzle-type flow measuring probe, including flanged (FLGD) pipe fitting, straight length, sensor, two plugs
And two pressure pipes, two adjacent one end ends of flanged (FLGD) pipe fitting are linked into an integrated entity by screw rod, the pipe fitting other end
It is connected by ring flange with straight length, plug is respectively arranged with the end face that two pipe fittings are oppositely arranged, plate body is set
Multiple nozzles are provided between two plugs, on plate body, and the air flue connected with inside pipe fitting, pressure pipe are provided with plug side
One end connects with air flue, and the pressure pipe other end connects with sensor, is provided with plug opposite side inwall and is connected with inside pipe fitting
Dashpot, and two dashpots are corresponding with two air flues and are symmetrically distributed in the both sides of plate body；The nozzle by connecting successively
The internal diameter connect flows to incremental expanding reach along fluid along diminution section, flat segments and the internal diameter that fluid flow direction is successively decreased and formed, in institute
State and stereotype layer is installed on air flue inwall, the nozzle is fan nozzle；The rounded array of multiple nozzles and divide equally in plate
On body；The L-type sealing gasket for sealing is provided with the junction of plate body both ends end and plug.
The present invention is entered separately by multiple nozzles on orifice plate plate in use, fluid is entered in pipe fitting by straight length
In one pipe fitting, and now a fluid stream forms local contraction on front side of plate body, and then causes the flow velocity increase of fluid, static pressure drop
It is low, i.e., pressure difference is generated between the front side of plate body and rear side, fluid flow is bigger, and caused pressure difference is bigger, now sensor
Pass through the measurement of pressure pipe and air flue to plate body front and rear sides pressure, you can calculate the uninterrupted of fluid.Wherein, plate body
Multiple nozzles of upper setting are by the internal diameter being sequentially connected along the fluid diminution section, flat segments and the internal diameter that successively decrease of flow direction along fluid
Incremental expanding reach is flowed to form, and fluid in nozzle interior by accelerating, at the uniform velocity and after three motion states of slowing down, now
Flow field before and after plate body is tended to balance, and is avoided plate body front and rear sides from vortex, vibration and signal noise occur, is substantially increased flow field
Stability；And connected between pipe fitting and pipe fitting, between pipe fitting and straight length using flange, pipe fitting is substantially increased not
Practicality in the sensor measurement process of same type, staff's Fast Installation is facilitated to dismantle.And it is opened in plug side wall
Dashpot can by the fluid impacted on plate body front and rear sides guide open, reduce plate body front and rear sides end face on impulsive force
Degree, the wadding stream shearing force being subject in the diminution section and expanding reach of nozzle is reduced, realize the purpose for extending plate body service life.
Wherein, the fluid high-speed motion in air flue, while produce friction with air flue inwall and grow a large amount of noises, noise leads to
Cross plug to pass out, significantly impact measuring environment, the present invention sets stereotype layer on air flue inwall, utilizes the outer of stereotype densification
Wall weakens fluid caused transmission acoustic energy in air flue, and to prevent substantial amounts of noise from outwards transmitting, while and can avoids fluid
Kinetic energy loss, to ensure the accuracy of pressure value collected in the sensor.Equally distributed multiple nozzles can reduce
The wadding stream shearing force and form the possibility being vortexed that plate body is directly subject to, reduce dynamic loss of energy, plate body are protected realizing
While, realize the purpose of energy-conservation.For convenience of application of the pipe fitting between different types of sensor, plate body by screw rod with
And the cooperation of plug is clamped between two pipe fittings, at the same using L-type sealing gasket by plug connects respectively on the both ends of plate body
Tactile part is sealed, and realizes being fully sealed in pipe fitting, and the data collected in ensureing two pressure pipes in air flue are accurate
Really.
The present invention compared with prior art, has the following advantages and advantages：
The equally distributed multiple nozzles of the present invention can reduce the wadding that plate body is directly subject to and flow shearing force and form vortex
Possibility, dynamic loss of energy is reduced, while protection plate body is realized, realize the purpose of energy-conservation；For convenience of pipe fitting not
Application between the sensor of same type, between plate body is clamped in two pipe fittings by the cooperation of screw rod and plug, simultaneously
The part that plug contacts respectively on the both ends of plate body is sealed using the sealing gasket of L-type, realizes being fully sealed in pipe fitting,
The data collected in ensureing two pressure pipes in air flue are accurate.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the embodiment of the present invention, forms one of the application
Point, do not form the restriction to the embodiment of the present invention.In the accompanying drawings：
Fig. 1 is schematic structural view of the invention.
Mark and corresponding parts title in accompanying drawing：
1- pipe fittings, 2- screw rods, 3- plate bodys, 4- air flues, 5- inductors, 6- pressure pipes, 7- sealing gaskets, 8- plugs, 9- bufferings
Groove, 10- ring flanges, 11- straight lengths.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, with reference to embodiment and accompanying drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation are only used for explaining the present invention, do not make
For limitation of the invention.
Embodiment 1
As shown in figure 1, the present embodiment includes flanged (FLGD) pipe fitting 1, straight length 11, sensor, two plugs 8 and two
Pressure pipe 6, two adjacent one end ends of flanged (FLGD) pipe fitting 1 are linked into an integrated entity by screw rod 2, and the other end of pipe fitting 1 passes through
Ring flange 10 is connected with straight length 11, is respectively arranged with plug 8 on the end face that two pipe fittings 1 are oppositely arranged, plate body 3 is set
Put between two plugs 8, multiple nozzles are provided with plate body 3, and the air flue connected with inside pipe fitting 1 is provided with the side of plug 8
4, the one end of pressure pipe 6 connects with air flue 4, and the other end of pressure pipe 6 connects with sensor, be provided with the opposite side inwall of plug 8 with
The dashpot 9 of the inside of pipe fitting 1 connection, and two dashpots 9 are corresponding with two air flues 4 and are symmetrically distributed in the both sides of plate body 3；
Diminution section, flat segments and the internal diameter that the nozzle is successively decreased by the internal diameter being sequentially connected along fluid flow direction flow to incremental along fluid
Expanding reach is formed, and stereotype layer is provided with the inwall of air flue 4.
The present invention is entered by multiple nozzles on orifice plate plate in use, fluid is entered in pipe fitting 1 by straight length 11
In another pipe fitting 1, and now a fluid stream forms local contraction in the front side of plate body 3, and then causes the flow velocity increase of fluid, static pressure
Reduce, i.e., pressure difference is generated between the front side of plate body 3 and rear side, fluid flow is bigger, and caused pressure difference is bigger, now senses
Device passes through the measurement of pressure pipe 6 and air flue 4 to the front and rear sides pressure of plate body 3, you can calculates the uninterrupted of fluid.Its
In, diminution section that multiple nozzles for being set on plate body 3 successively decrease by the internal diameter being sequentially connected along fluid flow direction, flat segments and interior
Footpath flows to incremental expanding reach along fluid and formed, and fluid nozzle interior by accelerating, at the uniform velocity and the three motion shapes that slow down
After state, now the flow field before and after plate body 3 is tended to balance, and avoids the front and rear sides of plate body 3 from vortex, vibration and signal noise occur, greatly
The big stability for improving flow field；And connected between pipe fitting 1 and pipe fitting 1, between pipe fitting 1 and straight length 11 using flange,
Practicality of the pipe fitting 1 in different types of sensor measurement process is substantially increased, facilitates staff's Fast Installation to dismantle.
And the fluid impacted on the front and rear sides of plate body 3 can be guided and opened by the dashpot 9 being opened in the side wall of plug 8, plate body 3 is reduced
Impact dynamics on the end face of front and rear sides, reduces the wadding stream shearing force being subject in the diminution section and expanding reach of nozzle, and realization is prolonged
The purpose of the long service life of plate body 3.
Wherein, the fluid high-speed motion in air flue 4, while produce friction with the inwall of air flue 4 and grow a large amount of noises, noise
Passed out by plug 8, significantly impact measuring environment, the present invention sets stereotype layer on the inwall of air flue 4, fine and close using stereotype
Outer wall weaken fluid caused transmission acoustic energy in air flue 4, to prevent substantial amounts of noise from outwards transmitting, while and can avoids
The kinetic energy loss of fluid, to ensure the accuracy of the pressure value collected in sensor 5.
Above-described embodiment, the purpose of the present invention, technical scheme and beneficial effect are carried out further
Describe in detail, should be understood that the embodiment that the foregoing is only the present invention, be not intended to limit the present invention
Protection domain, within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc., all should include
Within protection scope of the present invention.
Claims (1)
1. gas pipeline plurality of nozzle-type flow measuring probe, including flanged (FLGD) pipe fitting (1), straight length (11), sensor (10),
Two plugs (8) and two pressure pipes (6), it is characterised in that：The adjacent one end end of two flanged (FLGD) pipe fittings (1)
Linked into an integrated entity by screw rod (2), pipe fitting (1) other end is connected by ring flange (10) with straight length (11), in two pipes
Plug (8) is respectively arranged with the end face that part (1) is oppositely arranged, plate body (3) is arranged between two plugs (8), on plate body (3)
Multiple nozzles are provided with, and the air flue (4) with being connected inside pipe fitting (1), pressure pipe (6) one end and gas are provided with plug (8) side
Road (4) connects, and pressure pipe (6) other end connects with sensor (10), is provided with plug (8) opposite side inwall and pipe fitting (1)
The dashpot (9) of inside connection, and two dashpots (9) are corresponding with two air flues (4) and are symmetrically distributed in the two of plate body (3)
Side；The nozzle is passed by the internal diameter being sequentially connected along diminution section, flat segments and the internal diameter that fluid flow direction is successively decreased along fluid flow direction
The expanding reach of increasing is formed, and stereotype layer is provided with the air flue (4) inwall；The rounded array of multiple nozzles and dividing equally exists
On plate body (3)；The junction of the plate body (3) both ends end and plug (8) is provided with the L-type sealing gasket (7) for sealing,
The nozzle is fan nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711035266.XA CN107806913A (en) | 2017-10-30 | 2017-10-30 | Gas pipeline plurality of nozzle-type flow measuring probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711035266.XA CN107806913A (en) | 2017-10-30 | 2017-10-30 | Gas pipeline plurality of nozzle-type flow measuring probe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107806913A true CN107806913A (en) | 2018-03-16 |
Family
ID=61582646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711035266.XA Withdrawn CN107806913A (en) | 2017-10-30 | 2017-10-30 | Gas pipeline plurality of nozzle-type flow measuring probe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107806913A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111811591A (en) * | 2020-08-11 | 2020-10-23 | 苏州昇萨特传感技术有限公司 | Nozzle flow meter steady flow signal acquisition structure |
| CN111811590A (en) * | 2020-08-11 | 2020-10-23 | 苏州昇萨特传感技术有限公司 | Nozzle flow meter |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106123974A (en) * | 2016-06-21 | 2016-11-16 | 成都国光电子仪表有限责任公司 | Multiinjector balance flow meter |
-
2017
- 2017-10-30 CN CN201711035266.XA patent/CN107806913A/en not_active Withdrawn
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106123974A (en) * | 2016-06-21 | 2016-11-16 | 成都国光电子仪表有限责任公司 | Multiinjector balance flow meter |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111811591A (en) * | 2020-08-11 | 2020-10-23 | 苏州昇萨特传感技术有限公司 | Nozzle flow meter steady flow signal acquisition structure |
| CN111811590A (en) * | 2020-08-11 | 2020-10-23 | 苏州昇萨特传感技术有限公司 | Nozzle flow meter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206583495U (en) | A kind of built-in rectifier for Ultrasonic Wave Flowmeter | |
| CN107806913A (en) | Gas pipeline plurality of nozzle-type flow measuring probe | |
| CN106092220A (en) | Orifice flowmeter | |
| CN105953849A (en) | Natural gas flow measurer | |
| CN109443458A (en) | A kind of concave arc shape double fluid is to mean velocity tube flowmeter | |
| CN106123975A (en) | A kind of multi-functional effusion meter of nozzle-type | |
| CN105973320A (en) | High-precision balancing flowmeter | |
| CN106092224A (en) | A kind of effusion meter of band nozzle arrangements | |
| CN105115549A (en) | Large-diameter multi-throat flow meter | |
| CN201335843Y (en) | Double-throat-diameter venturi air-velocity measuring pipe | |
| CN106123977A (en) | A kind of differential pressure type flow meter | |
| CN103542896A (en) | Large diameter gas measuring meter | |
| CN107796446A (en) | Natural gas flowmeter | |
| CN107796451A (en) | Balance flow meter | |
| CN106123974A (en) | Multiinjector balance flow meter | |
| CN106123978A (en) | A kind of natural gas orifice flowmeter | |
| CN106153129A (en) | Natural gas flowmeter | |
| CN106052774A (en) | Differential pressure type flow meter | |
| CN107796448A (en) | Multiinjector balance flow meter | |
| CN107860429A (en) | A kind of high accuracy balance flow detector | |
| CN107796450A (en) | A kind of differential pressure flowmeter | |
| CN106017583A (en) | Balanced flow meter | |
| CN107782380A (en) | A kind of nozzle meter | |
| CN107806910A (en) | Natural gas flow measuring device | |
| CN107796449A (en) | A kind of high-precision balance flow meter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180316 |
|
| WW01 | Invention patent application withdrawn after publication |