CN108332812A - A kind of air measuring equipment - Google Patents
A kind of air measuring equipment Download PDFInfo
- Publication number
- CN108332812A CN108332812A CN201810455884.8A CN201810455884A CN108332812A CN 108332812 A CN108332812 A CN 108332812A CN 201810455884 A CN201810455884 A CN 201810455884A CN 108332812 A CN108332812 A CN 108332812A
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- CN
- China
- Prior art keywords
- air
- pipe
- measuring equipment
- balance pipe
- vertical tube
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Classifications
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- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/12—Cleaning arrangements; Filters
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The present invention relates to a kind of air measuring equipment, including the positive side device for the differential pressure transmitter both sides that are placed in and negative lateral device；The positive side device is disposed with third balance pipe, cyclone cylinder, the first balance pipe and several positive pressure pipes from top to bottom；The cyclone cylinder upper end is connected to third balance pipe lower end, and the cyclone cylinder lower end is connected to first balance pipe upper surface, and first balance pipe lower face is connected to the positive pressure pipe upper end；The airintake direction of positive pressure pipe lower end towards the air-flow is provided with the first air inlet；The negative lateral device includes the second balance pipe and negative pressure pipe of upper and lower connection setting；The negative pressure pipe lower end is provided with the second air inlet back to setting with first air inlet；The positive pressure side of the differential pressure transmitter is connect with the third balance pipe, and the negative pressure end of the differential pressure transmitter is connect with second balance pipe.
Description
Technical field
The present invention relates to a kind of air measuring equipment, belong to wind pressure measurement technical field.
Background technology
In daily production and living, in order to ensure the normal operation of production, ensures the security needs of people's lives, be often required to
In boiler and a kind of device measuring gas pressure of outside of containers design installation.Antichoking blast pressure sampler is flowed according to gas
Principle is impacted by blocking, so that the impurity for being more than air containing its proportion in air, fine particle is sunk, the sky flowed upwards out
Gas is purified, and avoids blocking pipeline.Obtained purification gas can be obtained by draft gauge and correctly be measured, so that reaching anti-blocking
The purpose of wind pressure sampling.Conventional apparatus for measuring air quantity total head mouth and static port is inserted into air-flow, the soot particle carried in air-flow by
In hit with apparatus for measuring air quantity, with the effect of air-flow flowing and frictional static, be easy to be bonded in pressure tappings and each pressure tappings connect
In threading a pipe, apparatus for measuring air quantity is for a long time using being easy to block, and this blocking is happened inside apparatus for measuring air quantity, Zhi Nengyong
The method of compressed air timing purging is solved, and prodigious maintenance workload is brought to thermal technology's profession.Along with boiler start/ stop
The variation of process cold and hot state, steam lumps with soot particle in apparatus for measuring air quantity in air-flow, it is difficult to remove.
Invention content
In order to overcome the above problem, the present invention to provide a kind of air measuring equipment, which can be automatically clear
Ash prevents from blocking, while simple in structure, high certainty of measurement.
Technical scheme is as follows：
A kind of air measuring equipment, including the positive side device for the differential pressure transmitter both sides that are placed in and negative lateral device；It is described just
Lateral device is disposed with third balance pipe, cyclone cylinder, the first balance pipe and several positive pressure pipes from top to bottom；The rotation
Air duct upper end is connected to third balance pipe lower end, and the cyclone cylinder lower end is connected to first balance pipe upper surface, institute
The first balance pipe lower face is stated to be connected to the positive pressure pipe upper end；The airintake direction of positive pressure pipe lower end towards the air-flow is set
It is equipped with the first air inlet；The negative lateral device includes the second balance pipe and negative pressure pipe of upper and lower connection setting；Described bear takes
Pressure pipe lower end is provided with the second air inlet back to setting with first air inlet；The positive pressure side of the differential pressure transmitter and institute
The connection of third balance pipe is stated, the negative pressure end of the differential pressure transmitter is connect with second balance pipe.
Further, the positive pressure pipe include that the first vertical tube and upper end are sheathed on first vertical tube lower end outer
One blast pipe；First vertical tube is vertically arranged, and the airintake direction of first blast pipe lower part towards air-flow is obliquely installed, institute
It states the first air inlet and is set to the first air inlet pipe end.
Further, the positive pressure pipe further includes the wind direction adjustment structure towards the negative lateral device side setting；
The wind direction adjustment structure includes the guide plate being vertically arranged, horizontally disposed gag lever post and is along the circumferential direction opened in described
The arc-shaped slot of first blast pipe upper end side wall；The gag lever post is sheathed in the arc-shaped slot and one end is erected with described first
Pipe outer wall is fixedly connected；The guide plate is fixedly connected with the first air inlet pipe outer wall；The corresponding center of circle of the arc-shaped slot
Angle is 30 ° -90 °.
Further, the lower part of the junction of first blast pipe and the first vertical tube is fixedly connected with the first ash bucket.
Further, first ash bucket upper end is fixedly installed towards the acclivitous collision of the first vertical tube
Plate, first ash bucket lower end is fixedly installed vertically leads hawk.
Further, the negative pressure pipe include that the second vertical tube and upper end are sheathed on second vertical tube lower end outer
Two blast pipes；Second vertical tube is vertically arranged, and second blast pipe lower part is directed away from the positive side device one and rolls
Tiltedly setting, second air inlet are set to described second and enter the wind pipe end.
Further, the lower part of the junction of second blast pipe and the second vertical tube is fixedly connected with the second ash bucket.
Further, the angle between first balance pipe and horizontal plane is 60 °.
Further, a kind of application method of air measuring equipment, steps are as follows：
S1, the air measuring equipment is mounted on to boiler internal, and the airintake direction of the first air inlet towards air-flow is arranged, the
Two air inlets are arranged towards leeward direction；
S2, air-flow blow to air measuring equipment；
S3, wind direction adjustment structure guide plate according to the airintake direction of air-flow, adjust the position of the first blast pipe, make the first air inlet
Mouth can be constantly being directed towards air-flow maximum direction；
The air-flow wind pressure that S4, differential pressure transmitter are collected into according to third balance pipe and the second balance pipe calculates air quantity.
The present invention has the advantages that：
1, the air measuring device structure is simple, highly practical, can realize automatic ash removing, prevents from blocking.
2, it is provided with wind direction adjustment structure, guide plate can adjust the position of air inlet according to airflow direction, make air inlet
It is aligned into the maximum direction of air inlet.
3, it is provided with ash bucket, it is more enough that preferably soot particle is collected.
Description of the drawings
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is the partial enlarged view at the A of Fig. 1；
Fig. 3 is the front view of Fig. 1；
Fig. 4 is the right view of Fig. 1；
Fig. 5 is the sectional view of the first ash bucket.
Reference numeral is expressed as in figure：
1, positive side device；11, cyclone cylinder；12, the first balance pipe；13, positive pressure pipe；131, the first vertical tube；132, first into
Air hose；14, the first air inlet；15, the first ash bucket；151, impingement plate；152, hawk is led；16, wind direction adjustment structure；161, arc
Shape card slot；162, gag lever post；163, guide plate；17, third balance pipe；2, lateral device is born；21, the second balance pipe；22, it bears and takes
Pressure pipe；221, the second vertical tube；222, the second blast pipe；23, the second air inlet；24, the second ash bucket；3, differential pressure transmitter.
Specific implementation mode
It is next in the following with reference to the drawings and specific embodiments that the present invention will be described in detail.
Referring to Fig. 1-5, a kind of air measuring equipment, including the positive side device 1 for 3 both sides of differential pressure transmitter that are placed in it is negative
Lateral device 2；The positive side device 1 is disposed with third balance pipe 17, cyclone cylinder 11, the first balance pipe 12 from top to bottom
And several positive pressure pipes 13；11 upper end of the cyclone cylinder is connected to 17 lower end of third balance pipe, under the cyclone cylinder 11
End is connected to 12 upper surface of the first balance pipe, and 12 lower face of the first balance pipe connects with 13 upper end of the positive pressure pipe
It is logical；The airintake direction of the positive pressure pipe 13 lower end towards air-flow is provided with the first air inlet 14；The negative lateral device 2 includes
The second balance pipe 21 and negative pressure pipe 22 of connection setting up and down；22 lower end of the negative pressure pipe is provided with and first air inlet
Second air inlet 23 of the mouth 14 back to setting；The positive pressure side of the differential pressure transmitter 3 is connect with the third balance pipe 17, described
The negative pressure end of differential pressure transmitter 3 is connect with second balance pipe 21.
In above-described embodiment, differential pressure transmitter 3 is to calculate air quantity according to the positive pressure value of sampling and negative pressure value, to realize
The measurement of air quantity.Since the first air inlet 14 is arranged towards air inlet direction, positive side device 1 is also the ground of dust stratification most serious
Side.When soot particle with air-flow by positive pressure pipe 13 enter the first balance pipe 12, then by the first balance pipe 12 enter cyclone cylinder 11, gas
Stream flows through cyclone cylinder 11 and generates rotary centrifugal force, soot particle that can to a certain extent in separation bubble, and soot particle is in its own gravity
Effect is lower to fall into the first balance pipe 12 again again, realize automatic ash removing, solve air-flow carrying soot particle and block air measuring dress
The problem of setting.In addition, air-flow will produce certain flow perturbation, positive pressure pipe 13 is with air-flow when entering positive pressure pipe 13
Impact and balance pipe in flow perturbation and generate vibration, the first balance pipe of part 12 and positive pressure pipe 13 can be removed automatically
Interior dust stratification.
Further, the positive pressure pipe 13 includes that the first vertical tube 131 and upper end are sheathed on 131 lower end of the first vertical tube
First blast pipe 132 of outer；First vertical tube 131 is vertically arranged, 132 lower part of the first blast pipe towards air-flow into
Gas direction is obliquely installed, and first air inlet 14 is set to 132 end of the first blast pipe.It is first that positive pressure pipe 13, which is divided,
Vertical tube 131 and the first blast pipe 132, first, handling can be facilitated, second is that being capable of easy cleaning.
Further, the positive pressure pipe 13 further includes that the wind direction being arranged towards 2 side of negative lateral device adjusts knot
Structure 16；The wind direction adjustment structure 16 includes the guide plate 163 being vertically arranged, horizontally disposed gag lever post 162 and circumferentially
Direction is opened in the arc-shaped slot 161 of first blast pipe, 132 upper end side wall；The gag lever post 162 is sheathed on the arc
In card slot 161 and one end is fixedly connected with 131 outer wall of the first vertical tube；The guide plate 163 and first blast pipe 132
Outer wall is fixedly connected；161 corresponding central angle of the arc-shaped slot is 30 ° -90 °.
In above-described embodiment, be provided with wind direction adjustment structure 16, by guide plate 163 come according to airflow direction pair first into
14 direction of air port is adjusted, and makes the first air inlet 14 face air-flow maximum direction always, to improve the accuracy of measurement.
Further, the lower part of the junction of first blast pipe, 132 and first vertical tube 131 is fixedly connected with the first product
Ash bucket 15.The first ash bucket 15 is arranged to be to be able to allow most of dust stratification fallen out of positive pressure pipe 13 directly by lower end
First ash bucket 15 is discharged, and does not enter back into the first blast pipe 132.
Further, 15 upper end of the first ash bucket is fixedly installed acclivitous towards first vertical tube 131
Impingement plate 151,15 lower end of the first ash bucket is fixedly installed vertically leads hawk 152.Air-flow by the first blast pipe 132 into
Enter, impingement plate 151 impacted in 15 upper end of the first ash bucket, impingement plate 151 touches the soot particle in air-flow, then soot particle along
Impingement plate 151 drops down onto the outlet of 15 lower end of the first ash bucket with hawk 152 is led.
Further, the negative pressure pipe 22 includes that the second vertical tube 221 and upper end are sheathed on 221 lower end of the second vertical tube
Second blast pipe 222 of outer；Second vertical tube 221 is vertically arranged, and 222 lower part of the second blast pipe is directed away from described
1 side of positive side device is obliquely installed, and second air inlet 23 is set to 222 end of the second blast pipe.
Further, the lower part of the junction of second blast pipe, 222 and second vertical tube 221 is fixedly connected with the second product
Ash bucket 24.
Further, the angle between first balance pipe 12 and horizontal plane is 60 °.
Further, a kind of application method of air measuring equipment, steps are as follows：
S1, the air measuring equipment is mounted on to boiler internal, and the airintake direction of the first air inlet 14 towards air-flow is arranged,
Second air inlet 23 is arranged towards leeward direction；
S2, air-flow blow to air measuring equipment；
S3, wind direction adjustment structure 16 guide plate 163 according to the airintake direction of air-flow, adjust the position of the first blast pipe 132, make
First air inlet 14 can be constantly being directed towards air-flow maximum direction；
The air-flow wind pressure that S4, differential pressure transmitter 3 are collected into according to third balance pipe 17 and the second balance pipe 21 calculates air quantity.
Wherein, arrow direction indicates the airintake direction of air-flow.
Example the above is only the implementation of the present invention is not intended to limit the scope of the invention, every to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (9)
1. a kind of air measuring equipment, it is characterised in that：Including the differential pressure transmitter that is placed in（3）The positive side device of both sides（1）
With negative lateral device（2）；The positive side device（1）It is disposed with third balance pipe from top to bottom（17）, cyclone cylinder（11）、
First balance pipe（12）And several positive pressure pipes（13）；The cyclone cylinder（11）Upper end and the third balance pipe（17）Lower end
Connection, the cyclone cylinder（11）Lower end and first balance pipe（12）Upper surface is connected to, first balance pipe（12）Lower end
Face and the positive pressure pipe（13）Upper end is connected to；The positive pressure pipe（13）The airintake direction of lower end towards air-flow is provided with first
Air inlet（14）；The negative lateral device（2）The second balance pipe including being connected to setting up and down（21）And negative pressure pipe（22）；Institute
State negative pressure pipe（22）Lower end is provided with and first air inlet（14）Back to the second air inlet of setting（23）；The differential pressure
Transmitter（3）Positive pressure side and the third balance pipe（17）Connection, the differential pressure transmitter（3）Negative pressure end and described second
Balance pipe（21）Connection.
2. air measuring equipment according to claim 1, it is characterised in that：The positive pressure pipe（13）Including the first vertical tube
（131）It is sheathed on first vertical tube with upper end（131）First blast pipe of lower end outer（132）；First vertical tube（131）
It is vertically arranged, first blast pipe（132）The airintake direction of lower part towards air-flow is obliquely installed, first air inlet（14）
Set on first blast pipe（132）End.
3. air measuring equipment according to claim 2, it is characterised in that：The positive pressure pipe（13）Further include described in
Negative lateral device（2）The wind direction adjustment structure of side setting（16）；The wind direction adjustment structure（16）It is led including what is be vertically arranged
To plate（163）, horizontally disposed gag lever post（162）And along the circumferential direction it is opened in first blast pipe（132）Upper end side
The arc-shaped slot of wall（161）；The gag lever post（162）It is sheathed on the arc-shaped slot（161）Interior and one end is perpendicular with described first
Pipe（131）Outer wall is fixedly connected；The guide plate（163）With first blast pipe（132）Outer wall is fixedly connected；The arc
Card slot（161）Corresponding central angle is 30 ° -90 °.
4. air measuring equipment according to claim 2, it is characterised in that：First blast pipe（132）With the first vertical tube
（131）The lower part of junction be fixedly connected with the first ash bucket（15）.
5. air measuring equipment according to claim 4, it is characterised in that：First ash bucket（15）Upper end is fixedly installed
Have towards first vertical tube（131）Acclivitous impingement plate（151）, first ash bucket（15）Fixation is set vertically for lower end
It is equipped with and leads hawk（152）.
6. air measuring equipment according to claim 2, it is characterised in that：The negative pressure pipe（22）Including the second vertical tube
（221）It is sheathed on second vertical tube with upper end（221）Second blast pipe of lower end outer（222）；Second vertical tube（221）
It is vertically arranged, second blast pipe（222）Lower part is directed away from the positive side device（1）Side is obliquely installed, and described
Two air inlets（23）Set on second blast pipe（222）End.
7. air measuring equipment according to claim 6, it is characterised in that：Second blast pipe（222）With the second vertical tube
（221）The lower part of junction be fixedly connected with the second ash bucket（24）.
8. air measuring equipment according to claim 1, it is characterised in that：First balance pipe（12）Between horizontal plane
Angle be 60 °.
9. a kind of application method of air measuring equipment, it is characterised in that：Using air measuring equipment described in claim 3, step
It is rapid as follows：
S1, the air measuring equipment is mounted on boiler internal, and by the first air inlet（14）It is set towards the airintake direction of air-flow
It sets, the second air inlet（23）It is arranged towards leeward direction；
S2, air-flow blow to air measuring equipment；
S3, wind direction adjustment structure（16）Guide plate（163）According to the airintake direction of air-flow, the first blast pipe is adjusted（132）'s
Position makes the first air inlet（14）Air-flow maximum direction can be constantly being directed towards；
S4, differential pressure transmitter（3）According to third balance pipe（17）And second balance pipe（21）The air-flow wind pressure being collected into calculates
Air quantity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810455884.8A CN108332812A (en) | 2018-05-14 | 2018-05-14 | A kind of air measuring equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810455884.8A CN108332812A (en) | 2018-05-14 | 2018-05-14 | A kind of air measuring equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108332812A true CN108332812A (en) | 2018-07-27 |
Family
ID=62935053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810455884.8A Pending CN108332812A (en) | 2018-05-14 | 2018-05-14 | A kind of air measuring equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108332812A (en) |
-
2018
- 2018-05-14 CN CN201810455884.8A patent/CN108332812A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180727 |
|
| WD01 | Invention patent application deemed withdrawn after publication |