CN207703878U - A kind of gaseous pollutant multiple spot automatic sampling test device - Google Patents
A kind of gaseous pollutant multiple spot automatic sampling test device Download PDFInfo
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- CN207703878U CN207703878U CN201820063491.8U CN201820063491U CN207703878U CN 207703878 U CN207703878 U CN 207703878U CN 201820063491 U CN201820063491 U CN 201820063491U CN 207703878 U CN207703878 U CN 207703878U
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Abstract
A kind of gaseous pollutant multiple spot automatic sampling test device, including several sampling probes, sample feed channel, rotary automatic switching control equipment, pretreatment unit, flue gas analyzer, aspiration pump, compressed air back-blowing device and triple valve；Sampling probe inverse flue gas flow direction in flue is distributed at matrix form, the sample gas of different point sampling probes enters flue gas analyzer in the rotary recyclable switching selection flue of automatic switching control equipment, and setting pretreatment unit carries out dehumidifying dust removal process to sample gas before flue gas analyzer；Other sampling probe sample gas enter the bypass gas chamber of rotary automatic switching control equipment, are discharged through aspiration pump；To prevent sampling probe sample tap and sample feed channel from blocking, blowback is periodically carried out to sample feed channel and sampling probe using bypass gas chamber of the compressed air back-blowing device through sample gas automatic switching control equipment；The utility model can be used for on-line continuous monitoring, it can also be used to which field test is tested, and can accurately be grasped the gaseous pollutant concentration field distributions on flue Measure section, be greatly improved the representativeness, accuracy and working efficiency of test data.
Description
Technical field
The utility model is related to gaseous pollutant technical field of measurement and test, and in particular to a kind of gaseous pollutant multiple spot takes automatically
Sample test device.
Technical background
Combined according to National Development and Reform Committee, Environmental Protection Department, National Energy Board issue " ring send out [2015] No. 164 about print
Hair《Implement in full coal-burning power plant's minimum discharge and reducing energy consumption programme of work》Notice " require, the whole nation is completed so far
60% or more coal-burning power plant's minimum discharge retrofit work.In flue gas pollutant on-line monitoring be mostly single-point setting, test data by
Environmental protection facility operating condition and point position flue cross section product, flue flow field, concentration field are affected, and test data cannot have
The effect reflection true runnability of environmental protection facility, is unfavorable for combustion adjustment and data analysis.Make a service test at the scene test when,
It mostly uses a set of flue gas analyzer and a nesting gas probe tube carries out mobile handoff multimetering, frequently need to move or replace sampling
Position, operation element amount is big, and test time is longer.
Invention content
The technical issues of utility model aims to solve above-mentioned on-line monitoring and on-the-spot test, provides a kind of gaseous state
Pollutant multiple spot automatic sampling test device.It can be used for on-line continuous monitoring, it is accurate to grasp gaseous pollutant concentration field in flue
Distribution situation is convenient for the combustion adjustment of environmental protecting device.Field test test is can also be used for, the representative of test data is greatly improved
Property, accuracy and working efficiency.
To achieve the above objectives, the utility model adopts the following technical solution：
A kind of gaseous pollutant multiple spot automatic sampling test device, including several sampling probes 2 and corresponding sample feed channel
3, rotary automatic switching control equipment 4, pretreatment unit 5, flue gas analyzer 6, aspiration pump 8, compressed air back-blowing device 7 and threeway
Plug valve 9；Measure section superinverse flue gas flow direction of the sampling probe 2 in flue 1 is distributed at matrix form, is rotatably cut automatically
Changing device 4 can automatically switch to select the sample gas of a sampling probe 2 of different points to enter flue gas analyzer through sample feed channel 3
6, the pretreatment unit 5 that dehumidifying dust removal process is carried out to sample gas is provided with before flue gas analyzer 6；Other sampling probes 2 pass through
The bypass gas chamber 12 and threeway plug valve 9 of rotary automatic switching control equipment 4 are respectively communicated with aspiration pump 8 and compressed air blowback dress
7 are set, the sample gas of other sampling probes 2 enters the bypass gas chamber 12 of rotary automatic switching control equipment 4, is discharged through aspiration pump 8；For
Prevent 2 sample tap of sampling probe and sample feed channel 3 from blocking, setting compressed air back-blowing device 7 periodically automatically switches through rotary
The bypass gas chamber 12 of device 4 carries out blowback to sample feed channel 3 and sampling probe 2.
The rotary automatic switching control equipment 4 includes fixing end 15 and the rotation being rotatably disposed in fixing end 15 selection
14 are held, sample tracheae pipeline joint 10 is set in fixing end 15, is arranged on rotation selection end 14 and passes through rotation rotation selection end 14 and one
The sample gas selection interface 11 and bypass gas chamber 12 and bypass interface 13 that a sample tracheae pipeline joint 10 is connected to.
The flue 1 is rectangular or round, is accumulated according to flue cross section of different sizes, the spacing of sampling probe 2 is 60~
100cm。
Tracing system is provided on the sampling probe 2 and sample feed channel 3, heat tracing temperature is not less than 120 DEG C.
Compared to the prior art compared with the utility model has following advantage：
Pollutant on-line monitoring is mostly single-point setting in flue gas, and test data is by environmental protection facility operating condition and point position
Flue cross section product, flue flow field, concentration field are affected, and test data cannot effectively reflect the true maneuverability of environmental protection facility
Can, it is unfavorable for combustion adjustment and data analysis.Make a service test at the scene test when, mostly use a set of flue gas analyzer and one
Nesting gas probe tube carries out mobile handoff multimetering, frequently need to move or replace sample position, operation element amount is big, and test is held
The continuous time is longer.The utility model can be used for on-line continuous monitoring, accurate to grasp gaseous pollutant distribution of concentration feelings in flue
Condition is convenient for the combustion adjustment of environmental protecting device, it can also be used to which field test is tested, and the representative, accurate of test data is greatly improved
Property and working efficiency.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram of rotary automatic switching control equipment, wherein：Fig. 2 a are schematic side view, and Fig. 2 b are to fix
It is rotation selection end B-B direction view to hold A-A direction views, Fig. 2 c.
Specific implementation mode
With reference to the accompanying drawings and embodiments, the utility model is further described.
As shown in Figure 1, a kind of gaseous pollutant multiple spot automatic sampling test device of the utility model, including several samplings
Probe 2, sample feed channel 3, rotary automatic switching control equipment 4, pretreatment unit 5, flue gas analyzer 6, aspiration pump 8, compressed air
Back-blowing device 7 and threeway plug valve 9 etc..Measure section superinverse flue gas flow direction of the sampling probe 2 in flue 1 is at matrix form point
Cloth, rotary automatic switching control equipment 4 can automatically switch that the sample gas of a sampling probe 2 of different location is selected to enter flue gas analysis
Instrument 6, setting pretreatment unit 5 carries out dehumidifying dust removal process to sample gas before flue gas analyzer 6；The sample gas of other sampling probes 2
Into the bypass gas chamber 12 of rotary automatic switching control equipment 5, it is discharged through aspiration pump 8.
As shown in Fig. 2, the rotary automatic switching control equipment 4 includes fixing end 15 and rotation selection end 14.In fixing end 9
Sample tracheae pipeline joint 10 is set, and setting sample gas selects interface 11, bypass gas chamber 12 and bypass interface 13 on rotation selection end 14.
To prevent sampling probe 2 and sample feed channel 3 from blocking, setting compressed air back-blowing device 7, compressed air is revolved through threeway
The bypass gas chamber for entering rotary automatic switching control equipment after plug valve switching carries out regular blowback to sample feed channel and sampling probe.
As preferred embodiments of the present invention, sampling probe 2 and sample feed channel 3 are provided with tracing system, heat tracing
Temperature is not less than 120 DEG C.
As preferred embodiments of the present invention, sampling probe 2 is distributed in flue 1 at matrix form, according to flue
Sectional area size is different, and the spacing of sampling probe 2 is 60~100cm.
Claims (4)
1. a kind of gaseous pollutant multiple spot automatic sampling test device, including several sampling probes (2) and corresponding sample feed channel
(3), rotary automatic switching control equipment (4), pretreatment unit (5), flue gas analyzer (6), aspiration pump (8), compressed air blowback
Device (7) and threeway plug valve (9)；It is characterized in that：Measure section superinverse cigarette of the sampling probe (2) in flue (1)
Air-flow is distributed at matrix form, and rotary automatic switching control equipment (4) can automatically switch to select one of different points to sample spy
The sample gas of head (2) enters flue gas analyzer (6) through sample feed channel (3), is provided with before flue gas analyzer (6) and dehumidifies to sample gas
The pretreatment unit (5) of dust removal process；The bypass gas chamber that other sampling probes (2) pass through rotary automatic switching control equipment (4)
(12) and threeway plug valve (9) is respectively communicated with aspiration pump (8) and compressed air back-blowing device (7), other sampling probes (2)
Sample gas enter rotary automatic switching control equipment (4) bypass gas chamber (12), through aspiration pump (8) be discharged；To prevent sampling probe
(2) sample tap and sample feed channel (3) block, and setting compressed air back-blowing device (7) is periodically through rotary automatic switching control equipment (4)
Bypass gas chamber (12) blowback is carried out to sample feed channel (3) and sampling probe (2).
2. a kind of gaseous pollutant multiple spot automatic sampling test device according to claim 1, it is characterised in that：The rotation
Rotatable automatic switching control equipment (4) includes that fixing end (15) and the rotation being rotatably disposed in fixing end (15) select end (14),
In fixing end (15) be arranged sample tracheae pipeline joint (10), rotation selection end (14) on setting by rotate rotation selection end (14) with
The sample gas of one sample tracheae pipeline joint (10) connection selects interface (11) and bypass gas chamber (12) and bypass interface (13).
3. a kind of gaseous pollutant multiple spot automatic sampling test device according to claim 1, it is characterised in that：The cigarette
Road (1) is rectangular or round, and of different sizes according to flue cross section product, the spacing of sampling probe (2) is 60~100cm.
4. a kind of gaseous pollutant multiple spot automatic sampling test device according to claim 1, it is characterised in that：It is described to take
Tracing system is provided on sample probe (2) and sample feed channel (3), heat tracing temperature is not less than 120 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820063491.8U CN207703878U (en) | 2018-01-15 | 2018-01-15 | A kind of gaseous pollutant multiple spot automatic sampling test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820063491.8U CN207703878U (en) | 2018-01-15 | 2018-01-15 | A kind of gaseous pollutant multiple spot automatic sampling test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207703878U true CN207703878U (en) | 2018-08-07 |
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| CN201820063491.8U Active CN207703878U (en) | 2018-01-15 | 2018-01-15 | A kind of gaseous pollutant multiple spot automatic sampling test device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108254581A (en) * | 2018-01-15 | 2018-07-06 | 西安热工研究院有限公司 | A kind of gaseous pollutant multiple spot automatic sampling tests system |
| CN109737898A (en) * | 2018-12-28 | 2019-05-10 | 江苏方天电力技术有限公司 | A kind of system for realizing on-line testing water wall high temperature corrosion |
| CN110926884A (en) * | 2019-11-15 | 2020-03-27 | 山东创策电气科技有限公司 | Rapid gas circulation detection system and detection method thereof |
| CN111308024A (en) * | 2020-04-10 | 2020-06-19 | 华能国际电力股份有限公司 | System and method for gridding measurement of gaseous components in flue gas |
-
2018
- 2018-01-15 CN CN201820063491.8U patent/CN207703878U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108254581A (en) * | 2018-01-15 | 2018-07-06 | 西安热工研究院有限公司 | A kind of gaseous pollutant multiple spot automatic sampling tests system |
| CN108254581B (en) * | 2018-01-15 | 2023-10-31 | 西安热工研究院有限公司 | Gaseous pollutant multi-point automatic sampling test system |
| CN109737898A (en) * | 2018-12-28 | 2019-05-10 | 江苏方天电力技术有限公司 | A kind of system for realizing on-line testing water wall high temperature corrosion |
| CN109737898B (en) * | 2018-12-28 | 2021-01-26 | 江苏方天电力技术有限公司 | System for realizing online test of high-temperature corrosion of water-cooled wall |
| CN110926884A (en) * | 2019-11-15 | 2020-03-27 | 山东创策电气科技有限公司 | Rapid gas circulation detection system and detection method thereof |
| CN111308024A (en) * | 2020-04-10 | 2020-06-19 | 华能国际电力股份有限公司 | System and method for gridding measurement of gaseous components in flue gas |
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