CN206804366U - Air-lock device for flue gas NOx subregion measuring system - Google Patents
Air-lock device for flue gas NOx subregion measuring system Download PDFInfo
- Publication number
- CN206804366U CN206804366U CN201720377206.5U CN201720377206U CN206804366U CN 206804366 U CN206804366 U CN 206804366U CN 201720377206 U CN201720377206 U CN 201720377206U CN 206804366 U CN206804366 U CN 206804366U
- Authority
- CN
- China
- Prior art keywords
- connecting tube
- pipeline
- magnetic valve
- group
- air
- 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.)
- Active
Links
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
Air-lock device for flue gas NOx subregion measuring system, including array pipeline, every group of pipeline has the first connecting tube and the second connecting tube, one end of the first connecting tube in every group of pipeline connects with flue, one end of the second connecting tube in every group of pipeline connects with analyzer, the first magnetic valve and second solenoid valve are set respectively between the other end of the first connecting tube in every group of pipeline and the other end of the second connecting tube, probe tube is set between first magnetic valve and second solenoid valve, 3rd magnetic valve is set on probe tube, power set are respectively provided with the first connecting tube in every group of pipeline.The utility model has the advantage of：The utility model can realize multichannel while sample that the utility model need to only change the diameter and length of probe tube, you can change gas-storing capacity, and also known to the diameter of probe tube and length so that sample gas accurate measurement, so that analyzer measurement result is accurate.
Description
Technical field
Flue gas NOx fields of measurement is the utility model is related to, is particularly used for the lock gas of flue gas NOx subregion measuring system
Device.
Background technology
NOx is the major reason to form photochemical fog and acid rain.NOx in vehicle exhaust passes through with hydronitrogen
Ultraviolet irradiates the react toxic smog to be formed, referred to as photochemical fog.Photochemical fog has special odor, stimulates eye
Eyeball, plant is injured, and atmospheric visibility can be reduced.In addition, NOx and the nitric acid and nitrous acid of the water reaction generation in air are
The composition of acid rain.And primary body of the boiler as NOx emission, the content of NOx in its discharge gas should be done specific measurement with
It is easy to control the pollution to air.Existing boiler smoke NOx subregion measuring system, typically it is equipped with one point using multichannel sampling
Analyzer, that is to say, that analyzer will analyzing multiple sampling system extracts in turn flue gas sample gas.And in order that in generation, must have been measured
Table, the flue gas sample gas taken out in the same time from the diverse location of boiler flue is, it is necessary to be temporarily stored in air-lock device, then divide
Flue gas analyzer is not delivered to.But existing air-lock device typically uses Bottle ＆ Can or flapper, easily there is last time measurement production in its inside
Raw residual gas and size, which has error, causes metering inaccurate, and can not change gas-storing capacity, makes analyzer measurement result
Inaccurately.
Utility model content
To solve the above problems, the purpose of this utility model is, there is provided the lock gas for flue gas NOx subregion measuring system
Device, accurate measurement and can change gas-storing capacity, and its application method step is simple and convenient operation.
The utility model to achieve the above object, is achieved through the following technical solutions：For flue gas NOx subregion measuring system
Air-lock device, including array pipeline, every group of pipeline have the first connecting tube and the second connecting tube, and first in every group of pipeline connects
One end of adapter connects with flue, and one end of the second connecting tube in every group of pipeline connects with analyzer, and in every group of pipeline
First magnetic valve and second solenoid valve, the first electricity are set respectively between the other end of one connecting tube and the other end of the second connecting tube
Probe tube is set between magnet valve and second solenoid valve, the 3rd magnetic valve is set on probe tube, the first connecting tube in every group of pipeline
On be respectively provided with power set.
Further to realize the purpose of this utility model, following technical scheme can also be used：Under described array pipeline
Portion sets bottom plate, and bottom plate bottom sets several rollers, sets fixed mount on bottom plate, rotating shaft is set on fixed mount, is set in rotating shaft
Several cable discs, the first connecting tube are flexible pipe, the first connecting tube in every group of pipeline coordinate be wrapped in corresponding on cable disc,
Analyzer and power set are arranged on bottom plate.Air accumulator is set on described bottom plate, between the 3rd magnetic valve and air accumulator
3rd connecting tube is set.Several keys are set along its length in described rotating shaft, and cable disc is arranged at intervals with key in rotating shaft, line
The keyway being engaged with key is opened up on cable disk, cable disc can slide along rotating shaft makes keyway be engaged with key.The first described electricity
Threeway is set between magnet valve and second solenoid valve, and threeway connects with the first magnetic valve, second solenoid valve and probe tube respectively.
The utility model has the advantage of：The utility model can realize multigroup pipeline while sample, and during sampling, open the
One magnetic valve and the 3rd magnetic valve, second solenoid valve is closed, the first different connecting tubes is connected into the diverse location in flue, this
When flue gas sample gas probe tube is entered by the first connecting tube and the first magnetic valve, and by original gas in probe tube through the 3rd magnetic valve
Emptying.When locking gas, power set and all magnetic valves are simultaneously closed off, will treat that test sample gas lock is scheduled in probe tube, while open sample
The second solenoid valve of a certain pipeline where gas, analyzer are drawn the sample gas in probe tube and analyzed.After the completion of analysis, newly
The one each pipeline of wheel samples simultaneously.Sample gas in flue is pumped into and taken when single channel sample qi leel is analysed by this structure by power set
Sample pipe, and the residual gas in probe tube is pushed into the external world, so as to avoid residual sample gas in probe tube.In addition, this structure is only
The diameter and length of probe tube need to be changed, you can change gas-storing capacity, and known to the diameter of probe tube and length so that sample gas meter
Amount is accurate, so that analyzer measurement result is accurate.This structure also have it is simple in construction, equipment failure rate is small, and maintenance is small
The advantages of.The utility model can carry all parts by bottom plate, and be moved easily all parts by installing roller, from
And it is convenient for measuring the flue of different boilers.In addition, first connecting tube of the utility model by using long soft-pipe structure, and by
One connecting tube, which coordinates, to be wrapped on cable disc, can be by the first connecting tube by being released on cable disc, so as to itself and boiler during sampling
Flue connects, and after sampling terminates, is collapsed the first connecting tube by cable disc, is moved easily carrying and avoids the first connecting tube from beating
Knot.By the fume emission of high NOx content to air when the utility model is also by setting air accumulator to avoid sampling.
Brief description of the drawings
Fig. 1 is the utility model structure diagram；Fig. 2 is the utility model another kind structural representation；Fig. 3 is Fig. 2 A
To structural representation.
Embodiment
A kind of air-lock device being used in flue gas NOx subregion measuring system, including array pipeline, every group of pipeline have first
The connecting tube 6 of connecting tube 1 and second, one end of the first connecting tube 1 in every group of pipeline connect with flue, and second in every group of pipeline
One end of connecting tube 6 connects with analyzer 7, the other end of the first connecting tube 1 in every group of pipeline and the second connecting tube 6 it is another
First magnetic valve 2 and second solenoid valve 3 are set respectively between end, probe tube is set between the first magnetic valve 2 and second solenoid valve 3
4, the 3rd magnetic valve 5 is set on probe tube 4, power set 18 are respectively provided with the first connecting tube 1 in every group of pipeline.Power set
18 be the device that air pump, blower fan etc. are capable of intake-gas.This structure can realize multigroup pipeline while sample, and during sampling, beat
The first magnetic valve 2 and the 3rd magnetic valve 5 are driven, second solenoid valve 3 is closed, the first different connecting tubes 1 is connected in flue not
Same position, at this moment flue gas sample gas probe tube 4 is entered by the first connecting tube 1 and the first magnetic valve 2, and by original gas in probe tube 4
Body empties through the 3rd magnetic valve 5.When locking gas, power set 18 and all magnetic valves are simultaneously closed off, will treat that test sample gas lock is scheduled on and take
In sample pipe 4, while the second solenoid valve 3 of a certain pipeline where sample gas is opened, analyzer 7 draws sample gas in probe tube 4 simultaneously
Analyzed.After the completion of analysis, each pipeline of a new round samples simultaneously.This structure is filled when single channel sample qi leel is analysed by power
Put 18 and the sample gas in flue is pumped into probe tube 4, and the residual gas in probe tube 4 is pushed into the external world, so as to avoid probe tube 4
Interior residual sample gas.In addition, this structure need to only change the diameter and length of probe tube 4, you can change gas-storing capacity, and probe tube
Known to 4 diameter and length so that sample gas accurate measurement, so that analyzer measurement result is accurate.This structure also has knot
The advantages of structure is simple, and equipment failure rate is small, and maintenance is small.
Because the numerous inconvenience of existing measuring system part are carried, when measuring different boiler flues, because it is not easy to move,
So that measurement efficiency is low, to solve the above problems, described array pipeline bottom sets bottom plate 8, the bottom of bottom plate 8 sets several rollings
9 are taken turns, fixed mount 10 is set on bottom plate 8, rotating shaft 11 is set on fixed mount 10, several cable discs 12 are set in rotating shaft 11, first connects
Adapter 1 is flexible pipe, the first connecting tube 1 in every group of pipeline coordinate be wrapped in corresponding on cable disc 12, analyzer 7 and power
Device 18 is arranged on bottom plate 8.This structure can by bottom plate 8 carry all parts, and by install roller make it is each
Part is moved easily, so as to be convenient for measuring the flue of the different height of different boilers and diverse location.In addition, this structure passes through
Using the first connecting tube 1 of long soft-pipe structure, and the first connecting tube 1 is coordinated and is wrapped on cable disc 12, can will during sampling
First connecting tube 1 on cable disc 12 by releasing, so that it is connected with boiler flue, after sampling terminates, by cable disc 12 by the
One connecting tube 1 collapses, and is moved easily carrying and avoids the first connecting tube 1 from knotting.Further, since the first connecting tube 1 is flexible pipe, the
One connecting tube 1 is wrapped on cable disc 12, it is thus also avoided that the first connecting tube 1 caused by the first connecting tube 1 is arbitrarily placed is squeezed
Deformation, so as to avoid influence flue gas by and influence flue gas flow.
Air accumulator 14 is set on described bottom plate 8, the 3rd connecting tube 15 is set between the 3rd magnetic valve 5 and air accumulator 14.
Air accumulator 14 can also be air cleaning unit, and air cleaning unit communicates with outside air.When carrying out the analysis of sample qi leel, open
Before 3rd magnetic valve 5, the 3rd connecting tube 15 is departed from into air accumulator 14, in order to which outside air promotes sample gas to enter analyzer 7.This
By the fume emission of high NOx content to air when kind structure can avoid sampling.
Several keys 16 are set along its length in described rotating shaft 11, and cable disc 12 is spaced in rotating shaft 11 with key 16 and set
Put, the keyway being engaged with key 16 is opened up on cable disc 12, cable disc 12 can slide along rotating shaft 11 makes keyway match with key 16
Close.This structure can be such that different cable discs 12 individually or simultaneously rotates, in order to individually or simultaneously folding and unfolding it is different first
Connecting tube 1, the first different connecting tubes 1 is set to be connected with the diverse location of flue.Handle 17 is set in rotating shaft 11, rotated with facilitating
Cable disc 12.
Between the first described magnetic valve 2 and second solenoid valve 3 set threeway 13, threeway 13 respectively with the first magnetic valve 2,
Second solenoid valve 3 connects with probe tube 4.This structure is when changing probe tube 4, it is only necessary to by the both ends of probe tube 4 respectively with three
Logical 13 and the 3rd magnetic valve 5 dismantle and connect, reduce being connected respectively for probe tube 4 and the first magnetic valve 2 and second solenoid valve 3
And dismounting, installation and removal step is simplified, is convenient for changing different size and the probe tube 4 of length, the internal capacity of threeway 13
It is fixed, the accurate measurement of gas-storing capacity will not be impacted.
For the application method of the air-lock device of flue gas NOx subregion measuring system, comprise the following steps：Open all first
The magnetic valve 5 of magnetic valve 2 and the 3rd；Close all second solenoid valves 3；The first connecting tube 1 in different pipelines is connected in flue
Diverse location；Power set 18 are opened, it is taken out the flue gas sample gas in flue through the first connecting tube 1 and the first magnetic valve 2
Enter probe tube 4 and discharged by the 3rd magnetic valve 5, in discharge process, flue gas releases residual gas in probe tube 4；Simultaneously close off
Power set 18 and all magnetic valves, it will treat that test sample gas lock is scheduled in probe tube 4；The a certain pipeline where sample gas is opened simultaneously
Second solenoid valve 3, analyzer 7 are drawn the sample gas in probe tube 4 and analyzed.This method can be avoided in probe tube 4
The analysis result that flue gas is remained when influenceing analysis next time, and this method can pass through different-diameter and the probe tube of length 4
Gas-storing capacity is controlled, makes analysis result more accurate.
The technical solution of the utility model is not restricted in the range of embodiment described in the utility model.This practicality is new
The technology contents of the not detailed description of type are known technology.
Claims (5)
1. the air-lock device for flue gas NOx subregion measuring system, it is characterised in that：Including array pipeline, every group of pipeline has
First connecting tube (1) and the second connecting tube (6), one end of the first connecting tube (1) in every group of pipeline connect with flue, every group of pipe
One end of the second connecting tube (6) in road connects with analyzer (7), the other end of the first connecting tube (1) in every group of pipeline and
First magnetic valve (2) and second solenoid valve (3) be set respectively between the other end of the second connecting tube (6), the first magnetic valve (2) and
Probe tube (4) is set between second solenoid valve (3), the 3rd magnetic valve (5) is set on probe tube (4), first in every group of pipeline
Power set (18) are respectively provided with connecting tube (1).
2. the air-lock device according to claim 1 for flue gas NOx subregion measuring system, it is characterised in that：Described
Array pipeline bottom sets bottom plate (8), and bottom plate (8) bottom sets several rollers (9), fixed mount (10) is set on bottom plate (8), Gu
Determine to set rotating shaft (11) on frame (10), several cable discs (12) are set in rotating shaft (11), the first connecting tube (1) is flexible pipe, every group
The first connecting tube (1) in pipeline, which coordinates, to be wrapped on corresponding cable disc (12), and analyzer (7) and power set (18) are equal
It is arranged on bottom plate (8).
3. the air-lock device according to claim 2 for flue gas NOx subregion measuring system, it is characterised in that：Described
Air accumulator (14) is set on bottom plate (8), the 3rd connecting tube (15) is set between the 3rd magnetic valve (5) and air accumulator (14).
4. the air-lock device according to claim 2 for flue gas NOx subregion measuring system, it is characterised in that：Described
Several keys (16) are set along its length in rotating shaft (11), and cable disc (12) is arranged at intervals with key (16) in rotating shaft (11), line
The keyway being engaged with key (16) is opened up on cable disk (12), cable disc (12) can slide along rotating shaft (11) makes keyway and key (16)
It is engaged.
5. the air-lock device according to claim 1 for flue gas NOx subregion measuring system, it is characterised in that：Described
Between first magnetic valve (2) and second solenoid valve (3) set threeway (13), threeway (13) respectively with the first magnetic valve (2), second
Magnetic valve (3) connects with probe tube (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720377206.5U CN206804366U (en) | 2017-04-12 | 2017-04-12 | Air-lock device for flue gas NOx subregion measuring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720377206.5U CN206804366U (en) | 2017-04-12 | 2017-04-12 | Air-lock device for flue gas NOx subregion measuring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206804366U true CN206804366U (en) | 2017-12-26 |
Family
ID=60732661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720377206.5U Active CN206804366U (en) | 2017-04-12 | 2017-04-12 | Air-lock device for flue gas NOx subregion measuring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206804366U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111044689A (en) * | 2020-01-13 | 2020-04-21 | 南京科远智慧科技集团股份有限公司 | Monitoring system and method for synchronously sampling and asynchronously analyzing smoke parameter distribution |
-
2017
- 2017-04-12 CN CN201720377206.5U patent/CN206804366U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111044689A (en) * | 2020-01-13 | 2020-04-21 | 南京科远智慧科技集团股份有限公司 | Monitoring system and method for synchronously sampling and asynchronously analyzing smoke parameter distribution |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103728163B (en) | Full tritium Quick sampling system in a kind of gas | |
| CN105424882B (en) | SCR denitration system multi-branch smoke gas sampling device and method | |
| CN105004761A (en) | Denitration system escaping ammonia on-line continuous monitoring device and method | |
| CN106596867A (en) | SCR outlet flue cross section nitric oxide and oxygen concentration online monitoring method and system | |
| CN108344604A (en) | A kind of SCR reative cells NOXThe online data-logger of concentration and control method | |
| CN110044834A (en) | A kind of sulfur trioxide on-line monitoring system and method | |
| CN107367403B (en) | Reliable-working multipoint high-temperature sample gas collecting system | |
| CN108303292A (en) | A kind of clear tank instrument of double pump and control method | |
| CN107966334A (en) | A kind of fire coal boiler fume sampling system and sampling method | |
| CN206804366U (en) | Air-lock device for flue gas NOx subregion measuring system | |
| CN204479546U (en) | Based on grid arrange method without sampling pump flue gas concentration measuring system | |
| CN207937428U (en) | Fixed Multi-channel flue gas sampling gun | |
| CN103076208B (en) | Automatic sampling system for radioactive gas-carrying discharge substances | |
| CN202928851U (en) | Smoke sampling device and online smoke monitoring system | |
| CN104391092A (en) | Multi-gas detection based gas inlet device | |
| CN207036795U (en) | A kind of SCR flue gas denitration reactors section subregion flue gas sampler | |
| CN206818487U (en) | A kind of Multifunctional tobacco bicycle pump automatic sampling system | |
| CN205643090U (en) | Matrix automatic cycle sampling device | |
| CN110044835B (en) | Sulfur trioxide online analysis system and method | |
| CN210123399U (en) | Sulfur trioxide online analysis system | |
| CN201965123U (en) | Intelligent odor tester | |
| CN207636360U (en) | A kind of clear tank instrument of double pump | |
| CN201653765U (en) | Sampling device of flue gas | |
| CN203025026U (en) | Automatic radioactive airborne effluent sampling system | |
| CN105301201A (en) | Testing system for leaching characteristic of solid waste pollutants under gas-liquid synergistic effect |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Xiong Jian Document name: Notification to Pay the Fees |
|
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 100083 1905, 19th floor, block a, building 1, yard 10, Xueqing Road, Haidian District, Beijing Patentee after: BEIJING NEW LEAF ENERGY TECHNOLOGY Co.,Ltd. Address before: 100190 Room 203, building 30, No.13, Beiertiao, Zhongguancun, Haidian District, Beijing Patentee before: BEIJING NEW LEAF ENERGY TECHNOLOGY Co.,Ltd. |
|
| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Xiong Jian Document name: Notification of eligibility |