CN107884016A - Possesses the flowmeter of nozzle arrangements - Google Patents
Possesses the flowmeter of nozzle arrangements Download PDFInfo
- Publication number
- CN107884016A CN107884016A CN201711042581.5A CN201711042581A CN107884016A CN 107884016 A CN107884016 A CN 107884016A CN 201711042581 A CN201711042581 A CN 201711042581A CN 107884016 A CN107884016 A CN 107884016A
- Authority
- CN
- China
- Prior art keywords
- pipe fitting
- plate body
- pipe
- nozzle
- plug
- 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- Withdrawn
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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
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
Abstract
The invention discloses the flowmeter for possessing nozzle arrangements, including pipe fitting, straight length, sensor, two plugs and two pressure pipes, two pipe fittings are integral by bolt connection, 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 groove 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 field of gas detection, in particular to possesses the flowmeters of nozzle arrangements.
Background technology
The most frequently used form of nozzle of nozzle flowmeter has calibrating nozzle, Long Nozzle, Venturi nozzle etc., these throttling shapes
The following shortcoming of formula generally existing：The repeatability of measurement, accuracy mean level in flowmeter, because the factor of many influences mistake
Comprehensive complexity, precision are difficult to improve；In-site installation condition requires higher, it is necessary to longer straight length, it is difficult to meets, pressure damage
Lose bigger.
The content of the invention
It is an object of the invention to provide the flowmeter for possessing nozzle arrangements, to solve drawbacks described above.
The purpose of the present invention is achieved through the following technical solutions：
Possess the flowmeter of nozzle arrangements, including flanged (FLGD) pipe fitting, straight length, sensor, two plugs and two
Pressure pipe, two adjacent one end ends of flanged (FLGD) pipe fitting are integral by bolt connection, and the pipe fitting other end passes through flange
Disk is connected with straight length, and plug is respectively arranged with the end face that two pipe fittings are oppositely arranged, and plate body is arranged on two and blocked up
Between head, multiple nozzles are provided with plate body, and the air flue connected with inside pipe fitting is provided with plug side, pressure pipe one end and gas
Road is connected, and the pressure pipe other end is connected with sensor, and the groove connected with inside pipe fitting is provided with plug opposite side inwall, and
Two grooves are corresponding with two air flues and are symmetrically distributed in the both sides of plate body；The nozzle is by the internal diameter that is sequentially connected along fluid
Flow to diminution section, flat segments and the internal diameter to successively decrease and incremental expanding reach composition is flowed to along fluid, the section of the groove is square
Shape, and the reflection runner that multiple being distributed side by side and section is circular arc, the nozzle are provided with two inwalls above and below groove
For spiral nozzle；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
Groove 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, after being had respectively entered positioned at the fluid of plate body front and rear sides in groove, fluid passes through on groove inner wall
Continuous bounce-back to cause the kinetic energy of its own to be gradually reduced, and the present invention section of groove is set it is rectangular, you can so that
The incident flow of fluid in a groove is mutually collided with contrajet so that kinetic energy reduces, to avoid excessive contrajet again to recessed
Cell wall is impacted, and reduces the yield of noise in groove, and is provided with two inwalls above and below groove and multiple to be distributed side by side
And section be circular arc reflection runner, add the reflective surface area of fluid, accelerate to plate body front and rear sides pressure suddenly
Removal, ensure that the permanent service life of plate body.For convenience of application of the pipe fitting between different types of sensor, plate body leads to
The cooperation for crossing bolt and plug is clamped between two pipe fittings, while will be divided using the sealing gasket of L-type on the both ends of plate body
The part of other plug contact is sealed, and realizes being fully sealed in pipe fitting, is collected in ensureing two pressure pipes in air flue
Data it is accurate.
The present invention compared with prior art, has the following advantages and advantages：
The present invention for convenience of application of the pipe fitting between different types of sensor, by bolt and plug matched somebody with somebody by plate body
Conjunction is clamped between two pipe fittings, while is entered the part that plug contacts respectively on the both ends of plate body using the sealing gasket of L-type
Row sealing, realizes being fully sealed in pipe fitting, and 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；
Fig. 2 is the enlarged drawing of groove.
Mark and corresponding parts title in accompanying drawing：
1- pipe fittings, 2- bolts, 3- plate bodys, 4- air flues, 5- inductors, 6- pressure pipes, 7- sealing gaskets, 8- plugs, 9- grooves,
91- reflections runner, 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 depicted in figs. 1 and 2, the present embodiment include flanged (FLGD) pipe fitting 1, straight length 11, sensor, two plugs 8 with
And two pressure pipes 6, two adjacent one end ends of flanged (FLGD) pipe fitting 1 are linked into an integrated entity by bolt 2, pipe fitting 1 is another
End is connected by ring flange 10 with straight length 11, and plug 8 is respectively arranged with the end face that two pipe fittings 1 are oppositely arranged,
Plate body 3 is arranged between two plugs 8,
Multiple nozzles are provided with plate body 3, and the air flue 4 connected with inside pipe fitting 1, pressure pipe 6 one are provided with the side of plug 8
End connects with air flue 4, and the other end of pressure pipe 6 connects with sensor, is provided with the opposite side inwall of plug 8 with connecting inside pipe fitting 1
Logical groove 9, and two grooves 9 are corresponding with two air flues 4 and are symmetrically distributed in the both sides of plate body 3；The nozzle is by successively
The internal diameter of connection 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, institute
The rectangular cross-section of groove 9 is stated, and multiple being distributed side by side and section is provided with about 9 on two inwalls as circular arc in groove
Runner 91 is reflected, the nozzle uses spiral nozzle.
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 groove 9 being opened in the side wall of plug 8, before reducing plate body 3
Impact dynamics on the end face of both sides afterwards, the wadding stream shearing force being subject in the diminution section and expanding reach of nozzle is reduced, realize and extend
The purpose of the service life of plate body 3.
Wherein, after being had respectively entered positioned at the fluid of the front and rear sides of plate body 3 in groove 9, fluid passes through in the inwall of groove 9
On continuous bounce-back to cause the kinetic energy of its own to be gradually reduced, and the present invention section of groove 9 is set it is rectangular, you can make
Incident flow of the fluid in groove 9 is mutually collided with contrajet so that kinetic energy reduces, to avoid excessive contrajet again
The wall of groove 9 is impacted, reduce groove 9 in noise yield, and groove be provided with about 9 on two inwalls it is multiple simultaneously
Row is distributed and section is the reflection runner 91 of circular arc, adds the reflective surface area of fluid, accelerates to the front and rear sides of plate body 3
Suddenly the removal of pressure, it ensure that the permanent service life of plate body 3.
Preferably, nozzle uses spiral nozzle so that the gas overflowed by nozzle is in scattered taper mist flow, with
Impact dynamics caused by cutting down air-flow, reduce the impact injury of each part.
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. possess the flowmeter of nozzle arrangements, including flanged (FLGD) pipe fitting (1), straight length (11), sensor (10), two plugs
And two pressure pipes (6) (8), it is characterised in that：The adjacent one end end of two flanged (FLGD) pipe fittings (1) is by bolt
(2) link into an integrated entity, pipe fitting (1) other end is connected by ring flange (10) with straight length (11), in two pipe fitting (1) phases
To being respectively arranged with plug (8) on the end face of setting, plate body (3) is arranged between two plugs (8), is provided with plate body (3) more
Individual nozzle, and be provided with plug (8) side and connect with the internal air flue (4) connected of pipe fitting (1), pressure pipe (6) one end and air flue (4)
Logical, pressure pipe (6) other end connects with sensor (10), is provided with plug (8) opposite side inwall with being connected inside pipe fitting (1)
Groove (9), and two grooves (9) are corresponding with two air flues (4) and are symmetrically distributed in the both sides of plate body (3)；The nozzle
Diminution section, flat segments and the internal diameter to be successively decreased by the internal diameter being sequentially connected along fluid flow direction flows to incremental expanding reach structure along fluid
Into, the rectangular cross-section of the groove (9), and it is provided with multiple being distributed side by side and section on two inwalls up and down in groove (9)
For the reflection runner (91) of circular arc；It is provided with the junction of the plate body (3) both ends end and plug (8) for sealing
L-type sealing gasket (7), the nozzle are spiral nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711042581.5A CN107884016A (en) | 2017-10-30 | 2017-10-30 | Possesses the flowmeter of nozzle arrangements |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711042581.5A CN107884016A (en) | 2017-10-30 | 2017-10-30 | Possesses the flowmeter of nozzle arrangements |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107884016A true CN107884016A (en) | 2018-04-06 |
Family
ID=61782955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711042581.5A Withdrawn CN107884016A (en) | 2017-10-30 | 2017-10-30 | Possesses the flowmeter of nozzle arrangements |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107884016A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106092224A (en) * | 2016-06-21 | 2016-11-09 | 成都国光电子仪表有限责任公司 | A kind of effusion meter of band nozzle arrangements |
-
2017
- 2017-10-30 CN CN201711042581.5A patent/CN107884016A/en not_active Withdrawn
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106092224A (en) * | 2016-06-21 | 2016-11-09 | 成都国光电子仪表有限责任公司 | A kind of effusion meter of band nozzle arrangements |
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| 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: 20180406 |
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| WW01 | Invention patent application withdrawn after publication |