CN207231865U - A kind of new dilution sampling probe - Google Patents
A kind of new dilution sampling probe Download PDFInfo
- Publication number
- CN207231865U CN207231865U CN201721019273.6U CN201721019273U CN207231865U CN 207231865 U CN207231865 U CN 207231865U CN 201721019273 U CN201721019273 U CN 201721019273U CN 207231865 U CN207231865 U CN 207231865U
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- China
- Prior art keywords
- dilution
- fixedly connected
- filter
- plate
- probing shell
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Abstract
The utility model discloses a kind of new dilution sampling probe, including probing shell, the lower end of the probing shell is in semi-circular, and the lower end of probing shell is evenly equipped with air admission hole, level is fixedly connected with partition plate in the probing shell, probing shell internal cavities are divided into flue gas chamber and dilution chamber by the partition plate, smoke filtration mechanism is equipped with the flue gas chamber, the filter mechanism includes semicircular filter plate, several the first filter hole are evenly equipped with the filter plate, the upper end of the filter plate is fixedly connected with cylinder, the baffle of annular is fixedly connected with the madial wall of the cylinder, the upper surface of the baffle is equipped with several spring retainer grooves, spring is equipped with the spring retainer groove, the upper end of the spring is fixedly connected with the filter block of cylinder.Impurity of the utility model in flue gas has been filtered well before diluting flue gas, effectively prevent the phenomenon that the impurity in flue gas blocks probe, so as to achieve the purpose that to dilute flue gas well very much.
Description
Technical field
It the utility model is related to a kind of sampling probe, more particularly to a kind of new dilution sampling probe.
Background technology
The method of sampling of pollutant on-line detecting system has two kinds, and one of which method is exactly to dilute extraction method, and dilution is taken out
The starting point followed the example of is with the flue gas of substantial amounts of dry pure air dilution sampling, declines the water content in flue gas, allows flue gas
Dew-point temperature solved the problems, such as far below room temperature (commonly reaching -40 DEG C) caused by condensation vapor.Adopted in dilution sampling method
It can accurately ensure thinner ratio with critical hole sampling technique.So-called critical hole refers to：When the pressure ratio at critical hole both ends reaches
When more than 0.53, fluid is limited in the velocity of sound by the flow velocity of critical hole, therefore it is steady state value that fluid, which flows through the flow of critical hole,；
It is easy to ensure that the pressure of carrier gas is constant, i.e., the flow velocity of carrier gas is also a steady state value, so the thinner ratio of flue gas is one
A steady state value.
But existing dilution sampling probe is not reaching to the effect of impurity in filtering flue gas well before flue gas entrance
Fruit, therefore dilution sampling probe is not reaching to good working effect, to solve the above-mentioned problems, we have proposed a kind of new
Dilution sampling probe.
Utility model content
The purpose of this utility model is to solve shortcoming existing in the prior art, and a kind of new dilution proposed is adopted
Sample is popped one's head in.
To achieve these goals, the utility model employs following technical solution：
A kind of new dilution sampling probe, including probing shell, the lower end of the probing shell is in semi-circular, and shell of popping one's head in
The lower end of body is evenly equipped with air admission hole, and level is fixedly connected with partition plate in the probing shell, and the partition plate is by inside probing shell
Cavity is divided into flue gas chamber and dilution chamber, and smoke filtration mechanism is equipped with the flue gas chamber, and the filter mechanism includes semicircular
Filter plate, is evenly equipped with several the first filter hole on the filter plate, the upper end of the filter plate is fixedly connected with cylinder, described
The baffle of annular is fixedly connected with the madial wall of cylinder, the upper surface of the baffle is equipped with several spring retainer grooves, described
Spring is equipped with spring retainer groove, the upper end of the spring is fixedly connected with the filter block of cylinder, is equipped with the filter block
Several second filter hole, and several second filter hole connect between each other；The upside of the cylinder is equipped with intermediate plate, institute
The lower surface for stating intermediate plate is equipped with downward annular protrusion, and the protrusion is connected through a screw thread with cylinder, the intermediate plate
Lower surface is equipped with critical hole, communicating pipe is inserted with the intermediate plate, the lower end of the communicating pipe is connected with critical hole, described
The upper end of communicating pipe is through partition plate and extends to its upside；Push plate is slidably connected on the madial wall of the dilution chamber, it is described to push away
The upper surface of plate is fixedly connected with push rod, and the upper end of the push rod passes through the top plate of probing shell and is fixedly connected with cross bar, institute
State the Z-shaped dilution tube that is internally provided with of dilution chamber, and dilution tube is through the through hole in push plate, the position of the dilution tube lower end with
Communicating pipe is corresponding, and the dilution tube upper end is through probing shell side wall and is provided with air inlet switch, and the air inlet switch is remote
One end of dilution tube is fixedly connected with quick-speed plug connector, air outlet pipe is also fixedly connected with the side wall of the dilution chamber, and go out
Tracheae is located at the downside of push plate, and air cock is also equipped with out in the air outlet pipe.
Preferably, the first sealing ring, first sealing ring and probe shell are fixedly connected with the lateral wall of the push plate
Internal side walls connect, and the second sealing ring, second sealing ring and dilution are fixedly connected with the through hole in the push plate
Pipe is slidably connected.
Preferably, the anti-slop serrations of cone are evenly equipped with the cross bar.
Preferably, anti-skid chequer is evenly equipped with the lateral wall of the filter block, the filter block connects with the madial wall of cylinder
Touch.
Preferably, the length value of the push rod is slightly larger than the depth value of dilution chamber.
Preferably, the air outlet pipe uses plastic material.
Compared with prior art, the beneficial effects of the utility model are：By setting spring on the upside of baffle, be conducive to
Filter block is taken out from cylinder, by setting filter mechanism in flue gas chamber, the filtering of flue gas is realized, by being set in dilution chamber
Push plate is put, is conducive to the flue gas after diluting and is discharged from air outlet pipe, the filtering well before flue gas is diluted of this device
Impurity in flue gas, the impurity that effectively prevent in flue gas block the phenomenon of probe, dilute flue gas well so as to reach very much
Purpose.
Brief description of the drawings
Fig. 1 be the utility model proposes a kind of new dilution sampling probe structure diagram.
Fig. 2 is the structure diagram of filter mechanism.
Fig. 3 is the partial enlarged view at A in Fig. 2.
In figure：1 probing shell, 2 air admission holes, 3 partition plates, 4 flue gas chambers, 5 dilution chambers, 6 filter plates, 7 first filter hole, 8 circles
Cylinder, 9 baffles, 10 spring retainer grooves, 11 springs, 12 filter blocks, 13 second filter hole, 14 intermediate plates, 15 protrusions, 16 screw threads, 17
Critical hole, 18 communicating pipes, 19 push plates, 20 push rods, 21 cross bars, 22 dilution tubes, 23 air inlet switchs, 24 quick-speed plug connectors, 25 go out
Tracheae, 26 go out air cock.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
With reference to Fig. 1-3, a kind of new dilution sampling probe, including probing shell 1, the lower end of probing shell 1 in semi-circular,
And the lower end of probing shell 1 is evenly equipped with air admission hole 2, level is fixedly connected with partition plate 3 in probing shell 1, and partition plate 3 is by probing shell
1 internal cavities are divided into flue gas chamber 4 and dilution chamber 5, and smoke filtration mechanism is equipped with flue gas chamber 4, and filter mechanism includes semicircular
Filter plate 6, is evenly equipped with several the first filter hole 7 on filter plate 6, the upper end of filter plate 6 is fixedly connected with cylinder 8, cylinder 8
The baffle 9 of annular is fixedly connected with madial wall, the upper surface of baffle 9 is equipped with several spring retainer grooves 10, spring retainer groove
Spring 11 is equipped with 10, the upper end of spring 11 is fixedly connected with the filter block 12 of cylinder, sets spring 11 to be conducive to filter block
12 take out out of cylinder 8, specifically, anti-skid chequer, the inner side of filter block 12 and cylinder 8 are evenly equipped with the lateral wall of filter block 12
Wall is in contact, and increases frictional force, is equipped with several second filter hole 13 in filter block 12, and several second filter hole 13 are mutual
Between connect.
The upside of cylinder 8 is equipped with intermediate plate 14, and the lower surface of intermediate plate 14 is equipped with downward annular protrusion 15, protrusion 15
It is connected with cylinder 8 by screw thread 16, the lower surface of intermediate plate 14 is equipped with critical hole 17, and communicating pipe is inserted with intermediate plate 14
18, the lower end of communicating pipe 18 is connected with critical hole 17, and the upper end of communicating pipe 18 through partition plate 3 and extends to its upside.
Push plate 19 is slidably connected on the madial wall of dilution chamber 5, the upper surface of push plate 19 is fixedly connected with push rod 20, specifically
Say, the length value of push rod 20 is slightly larger than the depth value of dilution chamber 5, and the upper end of push rod 20 is through the top plate of probing shell 1 and solid
Surely cross bar 21 is connected with, specifically, the anti-slop serrations of cone is evenly equipped with cross bar 21, increases frictional force, the inside of dilution chamber 5
Equipped with Z-shaped dilution tube 22, specifically, be fixedly connected with the first sealing ring on the lateral wall of push plate 19, the first sealing ring with
1 madial wall of probing shell is slidably connected, and the second sealing ring, the second sealing ring and dilution are fixedly connected with the through hole in push plate 19
Pipe 22 is slidably connected, and dilution tube 22 passes through the through hole in push plate 19, and the position of 22 lower end of dilution tube is corresponding with communicating pipe 18,
22 upper end of dilution tube is through 1 side wall of probing shell and is provided with air inlet switch 23, the one end of air inlet switch 23 away from dilution tube 22
Quick-speed plug connector 24 is fixedly connected with, air outlet pipe 25, specifically, air outlet pipe are also fixedly connected with the side wall of dilution chamber 5
25 use plastic material, and air outlet pipe 25 is located at the downside of push plate 19, and air cock 26 is also equipped with out in air outlet pipe 25.
In the utility model, dilution sampling probe is placed in flue, in flue gas is from air admission hole 2 into flue gas chamber 4,
The impurity in flue gas is filtered by filter mechanism, while quick-speed plug connector 24 is accessed into fresh air passage, this is pure and fresh sky
Gas and flue gas, by flue gas dilution, air cock 26 are opened out after waiting dilution completely in dilution chamber 5, then promote cross bar 21, at this moment dilute
Flue gas after releasing can be flowed out from air outlet pipe 25.
The above, is only the preferable embodiment of the utility model, but the scope of protection of the utility model is not
This is confined to, any one skilled in the art is in the technical scope that the utility model discloses, according to this practicality
New technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
1. a kind of new dilution sampling probe, including probing shell (1), the lower end of the probing shell (1) is in semi-circular, and is visited
The lower end of casing (1) is evenly equipped with air admission hole (2), it is characterised in that the interior level of the probing shell (1) is fixedly connected with partition plate
(3), probing shell (1) internal cavities are divided into flue gas chamber (4) and dilution chamber (5) by the partition plate (3), and the flue gas chamber (4) is interior
Equipped with smoke filtration mechanism, the filter mechanism includes semicircular filter plate (6), is evenly equipped with the filter plate (6) some
A first filter hole (7), the upper end of the filter plate (6) are fixedly connected with cylinder (8), consolidate on the madial wall of the cylinder (8)
Surely the baffle (9) of annular is connected with, the upper surface of the baffle (9) is equipped with several spring retainer grooves (10), the spring limit
Spring (11) is equipped with position groove (10), the upper end of the spring (11) is fixedly connected with the filter block (12) of cylinder, the mistake
Several second filter hole (13) are equipped with filter block (12), and several second filter hole (13) connect between each other；It is described
The upside of cylinder (8) is equipped with intermediate plate (14), and the lower surface of the intermediate plate (14) is equipped with downward annular protrusion (15), institute
State raised (15) to be connected by screw thread (16) with cylinder (8), the lower surface of the intermediate plate (14) is equipped with critical hole (17), institute
State and communicating pipe (18) is inserted with intermediate plate (14), the lower end of the communicating pipe (18) is connected with critical hole (17), the connection
The upper end of pipe (18) is through partition plate (3) and extends to its upside；Push plate is slidably connected on the madial wall of the dilution chamber (5)
(19), the upper surface of the push plate (19) is fixedly connected with push rod (20), and the upper end of the push rod (20) passes through probing shell (1)
Top plate and be fixedly connected with cross bar (21), the dilution chamber (5) is internally provided with Z-shaped dilution tube (22), and dilution tube
(22) through the through hole in push plate (19), the position of dilution tube (22) lower end is corresponding with communicating pipe (18), the dilution
Pipe (22) upper end is through probing shell (1) side wall and is provided with air inlet switch (23), and the air inlet switch (23) is away from dilution tube
(22) one end is fixedly connected with quick-speed plug connector (24), and air outlet pipe is also fixedly connected with the side wall of the dilution chamber (5)
(25), and air outlet pipe (25) is located at the downside of push plate (19), and air cock (26) is also equipped with out on the air outlet pipe (25).
A kind of 2. new dilution sampling probe according to claim 1, it is characterised in that the lateral wall of the push plate (19)
On be fixedly connected with the first sealing ring, first sealing ring is slidably connected with probing shell (1) madial wall, the push plate (19)
On through hole on be fixedly connected with the second sealing ring, second sealing ring is slidably connected with dilution tube (22).
3. a kind of new dilution sampling probe according to claim 1, it is characterised in that be evenly equipped with the cross bar (21)
The anti-slop serrations of cone.
A kind of 4. new dilution sampling probe according to claim 1, it is characterised in that the outside of the filter block (12)
Anti-skid chequer is evenly equipped with wall, the filter block (12) is in contact with the madial wall of cylinder (8).
A kind of 5. new dilution sampling probe according to claim 1, it is characterised in that the length value of the push rod (20)
Slightly larger than the depth value of dilution chamber (5).
6. a kind of new dilution sampling probe according to claim 1, it is characterised in that the air outlet pipe (25) is using modeling
Expect material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721019273.6U CN207231865U (en) | 2017-08-15 | 2017-08-15 | A kind of new dilution sampling probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721019273.6U CN207231865U (en) | 2017-08-15 | 2017-08-15 | A kind of new dilution sampling probe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207231865U true CN207231865U (en) | 2018-04-13 |
Family
ID=61857114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721019273.6U Expired - Fee Related CN207231865U (en) | 2017-08-15 | 2017-08-15 | A kind of new dilution sampling probe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207231865U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110160855A (en) * | 2019-06-20 | 2019-08-23 | 应急管理部四川消防研究所 | A kind of gas dilution sampling joint and application method |
-
2017
- 2017-08-15 CN CN201721019273.6U patent/CN207231865U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110160855A (en) * | 2019-06-20 | 2019-08-23 | 应急管理部四川消防研究所 | A kind of gas dilution sampling joint and application method |
| CN110160855B (en) * | 2019-06-20 | 2023-12-19 | 应急管理部四川消防研究所 | Gas dilution sampling joint and use method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180413 Termination date: 20180815 |
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| CF01 | Termination of patent right due to non-payment of annual fee |