CN105403728B - A kind of measuring device and its measurement method of dusty gas flow velocity - Google Patents
A kind of measuring device and its measurement method of dusty gas flow velocity Download PDFInfo
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- CN105403728B CN105403728B CN201510985242.5A CN201510985242A CN105403728B CN 105403728 B CN105403728 B CN 105403728B CN 201510985242 A CN201510985242 A CN 201510985242A CN 105403728 B CN105403728 B CN 105403728B
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- 238000000691 measurement method Methods 0.000 title claims abstract description 7
- 238000010079 rubber tapping Methods 0.000 claims abstract description 39
- 238000007789 sealing Methods 0.000 claims abstract description 38
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 239000012774 insulation material Substances 0.000 claims description 4
- 239000003566 sealing material Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims description 3
- 238000000605 extraction Methods 0.000 claims 1
- 239000004744 fabric Substances 0.000 claims 1
- 238000005259 measurement Methods 0.000 abstract description 18
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013517 stratification Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
- G01P5/14—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring differences of pressure in the fluid
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
Abstract
The present invention relates to a kind of measuring devices and its measurement method of dusty gas flow velocity, it is stretched in tested pipeline including more than one and the positive pressure pressure pipe parallel with tested pipeline interior air-flow and a negative pressure pressure pipe, the bottom end of positive pressure pressure pipe and negative pressure pressure pipe offers positive pressure pressure tappings and negative pressure pressure tappings respectively, and a positive pressure deflector is equipped at positive pressure pressure tappings；A negative-pressure guide mechanism is equipped at negative pressure pressure tappings；Positive pressure pressure pipe and negative pressure pressure pipe are extend out to through a perpendicular fairlead outside tested pipeline respectively to be connect with a difference gauge, and positive pressure pressure pipe is connected with the positive pressure side of the difference gauge, and negative pressure pressure pipe is connected with the negative pressure end of the difference gauge；For fairlead with tested pipeline through a seal cap sealing, the lateral surface of sealing cover is fixed on the opening of tested pipeline through several fixing buckles.The beneficial effects of the present invention are：It is simple in structure, it is easy to operate, the clogging caused by dusty gas in measurement process is prevented, the influence to measurement result is reduced, improves measurement accuracy.
Description
Technical field
The present invention relates to the measuring devices and its measurement of gas flow rate fields of measurement more particularly to a kind of dusty gas flow velocity
Method.
Background technology
The measurement of dusty gas flow velocity always exists the problem of blocking measuring device, the especially feelings of air-flow perpendicular flow
Condition, currently used measuring device some problems, such as bourdon's tube, venturi, backing tube etc. can all occur in application and all may be used
It can result in blockage, single Venturi tube or backing tube can also influence to use, wing because the representativeness for measuring position is not all right
Ash discharge function can be arranged in shape measuring device, but this not only increases the complexity of operation operation, but also still may influence
It measures or results in blockage.
Invention content
The purpose of the present invention is being directed to the above shortcoming, provide a kind of dusty gas flow velocity measuring device and its
Method prevents the clogging caused by dusty gas in measurement process.
Scheme is used by the present invention solves technical problem：A kind of measuring device of dusty gas flow velocity, including one
Stretch to above in tested pipeline and the positive pressure pressure pipe parallel with tested pipeline interior air-flow and a negative pressure pressure pipe, it is described just
The bottom end of pressure pressure pipe and negative pressure pressure pipe offers positive pressure pressure tappings and negative pressure pressure tappings respectively, is set at the positive pressure pressure tappings
There is a positive pressure deflector；A negative-pressure guide mechanism is equipped at the negative pressure pressure tappings；The positive pressure pressure pipe and negative pressure pressure
Pipe extend out to outside tested pipeline through a perpendicular fairlead connect with a difference gauge respectively, the positive pressure pressure pipe and the difference
The positive pressure side of pressure meter is connected, and the negative pressure pressure pipe is connected with the negative pressure end of the difference gauge；The fairlead and measured tube
One seal cap sealing of road, the lateral surface of the sealing cover are fixed on the opening of tested pipeline through several fixing buckles.
Further, the positive pressure deflector includes one first fixed frame, is being set to the first fixed frame upper edge just
Flow deflector and after several are set to first at equal intervals along longitudinal direction after first extended downwardly and outwardly on rear side of pressure pressure pipe bottom end
The first flow deflector on front side of flow deflector, first flow deflector are in arcuation；The negative-pressure guide mechanism include one second fixed frame,
It is set to after second extended downwardly and outwardly on rear side of the second fixed frame upper edge negative pressure pressure pipe bottom end flow deflector and several
A the second flow deflector being set at equal intervals along longitudinal direction after second on front side of flow deflector, second flow deflector is in planar.
Further, the spacing of each adjacent first flow deflector and the second flow deflector front end difference is equal, and each first leads
Flow deflector is equal to the width of the positive pressure pressure tappings of one third after the rear end distance first of flow, the rear end of each second flow deflector away from
Flow deflector is equal to the width of the negative pressure pressure tappings of one third after from second.
Further, first fixed frame is installed in after first flow deflector and first between flow deflector and is located at institute
State the end of flow deflector after first；Second fixed frame is installed in after second flow deflector and second between flow deflector and position
The end of flow deflector after described second；
Further, the medial surface of the sealing cover is equipped with the boss for keeping tested pipeline opening flow velocity, described
It is filled out in boss equipped with thermal insulation material, the lateral surface of the sealing cover is equipped with for coordinating fixed fin with the fixing buckle.
Further, the fixing buckle takes the shape of the letter U shape, and the both sides of the fixing buckle are buckled in the sealing cover both sides, and pass through
One screw is fixed across the side of the fixing buckle outwardly.
Further, it is filled out equipped with sealing material between the sealing surface of the sealing cover and the sealing surface of pipeline tapping.
The present invention also provides a kind of a kind of measurement methods of the measuring device of dusty gas flow velocity as described above, respectively
One or more positive pressure measuring point and negative pressure measuring point are set, and positive pressure measuring point is set on positive pressure pressure pipe and connects difference gauge
Positive pressure side；Negative pressure measuring point is the negative pressure end for being set on negative pressure pressure pipe and connecting difference gauge；By positive pressure pressure pipe and negative pressure
Pressure pipe is arranged in parallel after one section with tested pipeline interior air-flow and is drawn out to outside runner by sealing cover through a fairlead, and is access to difference
Pressure meter, the pressure difference of positive pressure measuring point and negative pressure measuring point is calculated by difference gauge, obtains the gas flow rate in tested pipeline.
Further, the positive pressure measuring point is seven, and negative pressure measuring point is one, and positive pressure measuring point is in tested pipeline
Annular is evenly spaced on, and negative pressure measuring point is located in the middle part of tested pipeline.
Compared with prior art, the present invention has following advantageous effect：By by positive pressure pressure pipe and negative pressure pressure pipe and quilt
The flow direction of dusty gas is parallel from top to bottom in test tube road, measures positive pressure and produced at negative pressure end that gas flow rate is generated in positive pressure side
The pressure difference of raw negative pressure obtains the flow velocity of gas by the positive pressure of measured gas and the pressure difference of negative pressure.By being located at positive pressure
Deflector and negative-pressure guide mechanism prevent the clogging caused by dusty gas in measurement process, reduce to measurement result
Influence, improve measurement accuracy.In addition, being increased by fixing buckle close fitting seal by sealing cover and tested runner opening
The air-tightness for adding tested runner improves the precision of measurement.Sealing cover designs the convenience primarily to installation, repair and maintenance,
If usually installation measuring device, entire measuring section is needed replacing, i.e., the runner of whole section fluid needs to cut open survey when overhauling, safeguarding
Measure section, constructional difficulties；It is more preferably easy using the method construction fitted seal lid of trepanning.
Description of the drawings
Patent of the present invention is further illustrated below in conjunction with the accompanying drawings.
Fig. 1 is the structural schematic diagram of the measuring device of the embodiment of the present invention.
Fig. 2 is the structural schematic diagram of the measuring device forward direction deflector of the embodiment of the present invention.
Fig. 3 is the structural schematic diagram of the measuring device negative sense deflector of the embodiment of the present invention.
Fig. 4 is 6 positive pressure measuring points of the embodiment of the present invention, the structural schematic diagram of 1 negative pressure measuring point.
Fig. 5 is 16 positive pressure measuring points of the embodiment of the present invention, the structural schematic diagram of 1 negative pressure measuring point.
In figure：1- positive pressure pressure pipes；2- fairleads；3- sealing covers；30- boss；4- difference gauges；5- fixing buckles；6- negative pressure
Pressure pipe；7- tested pipelines；8- positive pressure pressure tappings；9- positive pressure deflectors；Flow deflector after 90- first；The first flow deflectors of 91-；
The first fixed frames of 92-；10- negative pressure pressure tappings；11- negative-pressure guides mechanism；Flow deflector after 110- second；The second flow deflectors of 111-；
The second fixed frames of 112-；12- positive pressure measuring points；13- negative pressure measuring points.
Specific implementation mode
The present invention is further described with reference to the accompanying drawings and detailed description.
As shown in Figures 1 to 3, the embodiment of the present invention provides a kind of measuring device of dusty gas flow velocity, including more than one
It stretches in tested pipeline and the positive pressure pressure pipe 1 parallel with tested pipeline interior air-flow and a negative pressure pressure pipe 6, the positive pressure
The bottom end of pressure pipe 1 and negative pressure pressure pipe 6 offers positive pressure pressure tappings 8 and negative pressure pressure tappings 10, the positive pressure pressure tappings 8 respectively
Place is equipped with a positive pressure deflector 9；A negative-pressure guide mechanism 11 is equipped at the negative pressure pressure tappings 10；The positive pressure pressure pipe 1
Extend out to that tested pipeline 7 is outer to be connect with a difference gauge 4 through a perpendicular fairlead 2 respectively with negative pressure pressure pipe 6, it is described just
Pressure pressure pipe 1 is connected with the positive pressure side of the difference gauge 4, and the negative pressure pressure pipe 1 is connected with the negative pressure end of the difference gauge 4；
The fairlead 2 is sealed with tested pipeline 7 through a sealing cover 3, and the lateral surface of the sealing cover 3 is fixed through several fixing buckles 5
In 7 opening of tested pipeline.
From the foregoing, the beneficial effects of the present invention are：By by positive pressure pressure pipe 1 or negative pressure pressure pipe 6 with it is tested
In pipeline 7 dusty gas flow to it is parallel, measure gas flow rate differential pressure is formed in measuring device, just by measured gas
The pressure difference of pressure and negative pressure obtains the flow velocity of gas.By positive pressure deflector 9 and negative-pressure guide mechanism 11, prevent in measurement process
Clogging caused by middle dusty gas reduces the influence to measurement result, improves measurement accuracy.In addition, by sealing cover 3 with
Tested runner opening increases the air-tightness for being tested runner, improves the precision of measurement by 5 close fitting seal of fixing buckle.Fig. 1
Middle positive pressure pressure pipe partly overlaps.
In the present embodiment, the positive pressure deflector 9 includes one first fixed frame 92, is set to first fixed frame
After first extended downwardly and outwardly on rear side of 92 upper edges, 1 bottom end of positive pressure pressure pipe flow deflector 90 and several along longitudinal direction at equal intervals
It is set to the first flow deflector 91 of 90 front side of flow deflector after first, first flow deflector 91 is in arcuation；The negative-pressure guide machine
Structure 11 includes one second fixed frame 112, be set on rear side of second fixed frame, 112 upper edge negative pressure pressure pipe, 6 bottom end downwards and
Flow deflector 110 is set to second of 110 front side of flow deflector after second at equal intervals along longitudinal direction with several after outwardly extending second
Flow deflector 111, second flow deflector 111 is in planar.
As shown in Fig. 2, flow deflector 90 gradually broadens downwards along positive pressure pressure tappings 8 after first in positive deflector, bore
Degree can take 30 °（It is 15 ° unilateral, vertical direction）Or so, the bending degree of flow deflector 90 tapers into from top to bottom after first, under
Hold substantially horizontal, the lower part of flow deflector 90 forward extends out the width of 1-2 times of positive pressure pressure tappings 8 after as shown in Figure 2 first, height
For the width of 3-5 times of pressure tappings, upper end is vertical, is smoothly connected with pressure tappings.The width of first flow deflector 91 generally can be with
Take 1.4 times or so of the width of deflector 90 after the first of positive pressure pressure tappings 8 or identical height and position, the quantity of flow deflector can be with
Level interval for 5-7 pieces, each adjacent first flow deflector, 91 front end should be equal, a piece of water conservancy diversion nearest from positive pressure pressure tappings 8
The width of the bending direction of piece about takes 1.5 times or so of 8 width of respective direction positive pressure pressure tappings, is in recessed shape, outside
Higher, the level interval of 91 front end of the first flow deflector and 8 front end of positive pressure pressure tappings is 8 width of 1/3-1/2 positive pressures pressure tappings, first
Flow deflector 91 and the vertical interval of 8 front end of positive pressure pressure tappings are also 8 width of 1/3-1/2 positive pressures pressure tappings, before the first flow deflector 91
End upwarps 60-90 °（Angle with horizontal plane）, flow deflector rear end（Inside）Cheng Shuiping is slightly upwarped；After each first flow deflector 91
End（Inside）Apart from about 1/3 pressure tappings width of rear deflector.
As shown in figure 3, being in place of negative-pressure guide mechanism 11 and the difference of positive pressure deflector 9：Second flow deflector 111 is
Plane, and water conservancy diversion direction is different from the first flow deflector.
In the present embodiment, the spacing difference of each adjacent first flow deflector, 91 and second flow deflector, 111 front end is equal, and
After the rear end distance first of each first flow deflector 91 flow deflector 90 be equal to one third positive pressure pressure tappings 8 width, each second
Flow deflector 110 is equal to the width of the negative pressure pressure tappings 10 of one third after the rear end distance second of flow deflector 111.Described first leads
The front and back end of flow 91 and the second flow deflector 111 need to be polished into circle, and polish, to avoid dust stratification.Positive pressure pressure pipe 1 and draw
Outlet pipe 2 can be it is circular can also be with rectangular.Pressure pipe 1 of the present invention uses rectangular tube, size to be generally 10-30mm,
Size is too small to be unfavorable for preventing from blocking, for large-sized runner（Such as diameter 2m or more）, taking for large-size may be used
Mouth is pressed, and fairlead 2 can using round or rectangular pipe.
In the present embodiment, first fixed frame 92 be installed in after first flow deflector 91 and first flow deflector 90 it
Between and after described first flow deflector 90 end；Second fixed frame 112 is installed in second flow deflector 111 and
Between flow deflector 110 and positioned at the end of flow deflector 110 after described second after two.
In the present embodiment, the medial surface of the sealing cover 3 is equipped with the boss for keeping 7 opening flow velocity of tested pipeline
30, it fills out equipped with thermal insulation material in the boss 30, the lateral surface of the sealing cover 3 is equipped with for solid with the cooperation of the fixing buckle 5
Fixed fin.30 purpose of the boss is to reduce influence of the position to flowing, to ensure measurement effect, meanwhile, for temperature
Higher situation is spent, thermal insulation material should be loaded in boss 30.The front of boss 30 is gradient, is easily installed in this way.Boss 30
Plane and runner wall surface in one plane, i.e., will not because of sealing cover influence tested pipeline 7 in gas flowing, be convenient for
Installation, repair and maintenance.Fin has a design in seal cap sealing face, has two designs in flow passage side sealing surface, close to reinforce
Seal effect.
In the present embodiment, the fixing buckle 5 takes the shape of the letter U shape, and the both sides of the fixing buckle 5 are buckled in the sealing cover two
Side, and fixed across the side of the fixing buckle 5 outwardly through a screw.By passing through 5 side of the fixing buckle through the screw
Threaded hole, and screw bottom end withstands on sealing cover and is fixed, and without opening up threaded hole in sealing cover, ensures close
The air-tightness of capping.
In the present embodiment, it is filled out equipped with sealing material between the sealing surface of the sealing cover 3 and the sealing surface of pipeline tapping.
Sealing material is waterstop, sealing ring, sealing element etc..
The present invention also provides a kind of a kind of measurement methods of the measuring device of dusty gas flow velocity as described above, pass through
One or more positive pressure measuring point 12 and negative pressure measuring point 13 is respectively set, positive pressure measuring point 12 is set on positive pressure pressure pipe 1
And connect the positive pressure side of difference gauge 4；Negative pressure measuring point 13 is the negative pressure end for being set on negative pressure pressure pipe 6 and connecting difference gauge 4；It will
Positive pressure pressure pipe 1 and negative pressure pressure pipe 6 are parallel with 7 interior air-flow of tested pipeline, and opening for tested pipeline 7 is covered on by sealing cover 3
It is sealed at mouthful, the pressure difference of positive pressure measuring point 12 and negative pressure measuring point 13 is calculated by difference gauge 4, obtained in tested pipeline 7
Gas flow rate.
In the present embodiment, the positive pressure measuring point 12 is seven, and negative pressure measuring point 13 is one, and positive pressure measuring point 12 is in quilt
Test tube is evenly spaced in a ring in road, and negative pressure measuring point 13 is located in the middle part of tested pipeline, as shown in Figure 4.The positive pressure measuring point
12 may be 6, and negative pressure measuring point 13 is one.
The present invention also provides a kind of 16 positive pressure measuring points 12 and 1 13 installations diagram of negative pressure measuring point, as shown in Figure 5, wherein position
It is negative pressure measuring point 13 in middle part, other bifurcation sites are positive pressure measurement point.
In conclusion the measuring device and its measurement method of a kind of dusty gas flow velocity provided by the invention, simple in structure,
It is easy to operate, the clogging caused by dusty gas in measurement process is prevented, the influence to measurement result is reduced, improves and measures
Precision.
Above-listed preferred embodiment provided by the invention has carried out further the object, technical solutions and advantages of the present invention
It is described in detail, it should be understood that the foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in the present invention's
Within protection domain.
Claims (7)
1. a kind of measuring device of dusty gas flow velocity, it is characterised in that：Stretched in tested pipeline including more than one and with
The parallel positive pressure pressure pipe of tested pipeline interior air-flow and a negative pressure pressure pipe, the bottom of the positive pressure pressure pipe and negative pressure pressure pipe
End offers positive pressure pressure tappings and negative pressure pressure tappings respectively, and a positive pressure deflector is equipped at the positive pressure pressure tappings；It is described negative
It presses and is equipped with a negative-pressure guide mechanism at pressure tappings；The positive pressure pressure pipe and negative pressure pressure pipe are respectively through a perpendicular extraction
Pipe extend out to outside tested pipeline and is connect with a difference gauge, and the positive pressure pressure pipe is connected with the positive pressure side of the difference gauge, described
Negative pressure pressure pipe is connected with the negative pressure end of the difference gauge；The fairlead and tested pipeline are described close through a seal cap sealing
The lateral surface of capping is fixed on the opening of tested pipeline through several fixing buckles；The positive pressure deflector includes one first solid
Determine frame, be set to the first fixed frame upper edge positive pressure pressure pipe bottom end on rear side of extend downwardly and outwardly first after flow deflector and
Several are set to the first flow deflector on front side of flow deflector after first at equal intervals along longitudinal direction, and first flow deflector is in arcuation；Institute
Negative-pressure guide mechanism is stated to include one second fixed frame, be set on rear side of the second fixed frame upper edge negative pressure pressure pipe bottom end downwards
And flow deflector is set to the second water conservancy diversion after second on front side of flow deflector at equal intervals along longitudinal direction with several after outwardly extending second
Piece, second flow deflector is in planar；The measurement method of the device is：One or more positive pressure measuring point is respectively set
With negative pressure measuring point, positive pressure measuring point is set on positive pressure pressure pipe and connects the positive pressure side of difference gauge；Negative pressure measuring point is negative to be set to
Press on pressure pipe and connect the negative pressure end of difference gauge；By positive pressure pressure pipe and negative pressure pressure pipe cloth parallel with tested pipeline interior air-flow
It is drawn out to outside runner by sealing cover through a fairlead after setting one section, and is access to difference gauge, calculating positive pressure by difference gauge surveys
The pressure difference of point and negative pressure measuring point obtains the gas flow rate in tested pipeline.
2. a kind of measuring device of dusty gas flow velocity according to claim 1, it is characterised in that：Each adjacent first water conservancy diversion
The spacing of piece and the second flow deflector front end difference is equal, and flow deflector is equal to three after the rear end distance first of each first flow deflector
The width of/mono- positive pressure pressure tappings, flow deflector is equal to the negative pressure of one third after the rear end distance second of each second flow deflector
The width of pressure tappings.
3. a kind of measuring device of dusty gas flow velocity according to claim 1, it is characterised in that：First fixed frame
It is installed in after first flow deflector and first between flow deflector and positioned at the end of flow deflector after described first；Described second is solid
It is fixed rack-mounted between flow deflector after second flow deflector and second and positioned at the end of flow deflector after described second.
4. a kind of measuring device of dusty gas flow velocity according to claim 1, it is characterised in that：The sealing cover it is interior
Side is equipped with the boss for keeping tested pipeline opening flow velocity, is filled out equipped with thermal insulation material in the boss, the sealing cover
Lateral surface be equipped with for coordinating fixed fin with the fixing buckle.
5. a kind of measuring device of dusty gas flow velocity according to claim 1, it is characterised in that：The fixing buckle is in U
The both sides of shape, the fixing buckle are buckled in the sealing cover both sides, and pass through the side of the fixing buckle outwardly through a screw
It is fixed.
6. a kind of measuring device of dusty gas flow velocity according to claim 1, it is characterised in that：The sealing cover it is close
It is filled out equipped with sealing material between cover and the sealing surface of pipeline tapping.
7. a kind of measuring device of dusty gas flow velocity according to claim 1, it is characterised in that：The positive pressure measuring point is
Seven, negative pressure measuring point is one, and positive pressure measuring point is evenly spaced in a ring in tested pipeline, and negative pressure measuring point is located at quilt
In the middle part of test tube road.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510985242.5A CN105403728B (en) | 2015-12-25 | 2015-12-25 | A kind of measuring device and its measurement method of dusty gas flow velocity |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510985242.5A CN105403728B (en) | 2015-12-25 | 2015-12-25 | A kind of measuring device and its measurement method of dusty gas flow velocity |
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| Publication Number | Publication Date |
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| CN105403728A CN105403728A (en) | 2016-03-16 |
| CN105403728B true CN105403728B (en) | 2018-08-17 |
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| CN201510985242.5A Active CN105403728B (en) | 2015-12-25 | 2015-12-25 | A kind of measuring device and its measurement method of dusty gas flow velocity |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112014278B (en) * | 2020-08-14 | 2024-01-02 | 光力科技股份有限公司 | Portable gas parameter measurement module and portable gas parameter measuring instrument |
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|---|---|---|---|---|
| US3803921A (en) * | 1968-07-15 | 1974-04-16 | P Dieterich | Sampling and flow measuring device |
| US4476729A (en) * | 1982-06-02 | 1984-10-16 | Allied Corporation | Apparatus for measuring gas velocity |
| SU1203436A1 (en) * | 1983-02-22 | 1986-01-07 | Алма-Атинский Филиал Джамбулского Технологического Института Легкой И Пищевой Промышленности | Device for measuring velocity of dust-laden flow of gas |
| US4825704A (en) * | 1986-07-28 | 1989-05-02 | Yamatake-Honeywell Co., Ltd. | Fluid flow speed measuring apparatus |
| RU2176395C1 (en) * | 2000-04-17 | 2001-11-27 | Вятская государственная сельскохозяйственная академия | Gear measuring speed of dust-carrying gas flow |
| RU2191353C2 (en) * | 2000-07-19 | 2002-10-20 | Гаврилов Евгений Иванович | Procedure determining flow rate of dust suspension in gas conduit |
| JP3375939B2 (en) * | 2000-08-18 | 2003-02-10 | ニッコーシ株式会社 | Pitot tube flow meter |
| US7255013B2 (en) * | 2005-11-02 | 2007-08-14 | General Electric Company | Method and apparatus for measuring cryogenic flow |
| CN202710125U (en) * | 2012-08-22 | 2013-01-30 | 郑州光力科技股份有限公司 | Integrated anti-blocking gas differential pressure flow meter |
| CN205280752U (en) * | 2015-12-25 | 2016-06-01 | 国网福建省电力有限公司 | Measurement device for dirty gas velocity of flow |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58135966A (en) * | 1982-02-08 | 1983-08-12 | Mitsubishi Heavy Ind Ltd | Measuring method for purge type pitot tube |
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2015
- 2015-12-25 CN CN201510985242.5A patent/CN105403728B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3803921A (en) * | 1968-07-15 | 1974-04-16 | P Dieterich | Sampling and flow measuring device |
| US4476729A (en) * | 1982-06-02 | 1984-10-16 | Allied Corporation | Apparatus for measuring gas velocity |
| SU1203436A1 (en) * | 1983-02-22 | 1986-01-07 | Алма-Атинский Филиал Джамбулского Технологического Института Легкой И Пищевой Промышленности | Device for measuring velocity of dust-laden flow of gas |
| US4825704A (en) * | 1986-07-28 | 1989-05-02 | Yamatake-Honeywell Co., Ltd. | Fluid flow speed measuring apparatus |
| RU2176395C1 (en) * | 2000-04-17 | 2001-11-27 | Вятская государственная сельскохозяйственная академия | Gear measuring speed of dust-carrying gas flow |
| RU2191353C2 (en) * | 2000-07-19 | 2002-10-20 | Гаврилов Евгений Иванович | Procedure determining flow rate of dust suspension in gas conduit |
| JP3375939B2 (en) * | 2000-08-18 | 2003-02-10 | ニッコーシ株式会社 | Pitot tube flow meter |
| US7255013B2 (en) * | 2005-11-02 | 2007-08-14 | General Electric Company | Method and apparatus for measuring cryogenic flow |
| CN202710125U (en) * | 2012-08-22 | 2013-01-30 | 郑州光力科技股份有限公司 | Integrated anti-blocking gas differential pressure flow meter |
| CN205280752U (en) * | 2015-12-25 | 2016-06-01 | 国网福建省电力有限公司 | Measurement device for dirty gas velocity of flow |
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| Publication number | Publication date |
|---|---|
| CN105403728A (en) | 2016-03-16 |
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