CN206038385U - Stationary source volatile organic compounds sampling probe - Google Patents
Stationary source volatile organic compounds sampling probe Download PDFInfo
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- CN206038385U CN206038385U CN201621073302.2U CN201621073302U CN206038385U CN 206038385 U CN206038385 U CN 206038385U CN 201621073302 U CN201621073302 U CN 201621073302U CN 206038385 U CN206038385 U CN 206038385U
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- sample gas
- sample
- enrichment
- volatile organic
- filter
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Abstract
The utility model discloses a stationary source volatile organic compounds sampling probe, including sample gas honeycomb duct, the sample gas filtration sample cavity body, sample gas diluting device and sample gas enrichment and desorption apparatus, the sample gas honeycomb duct be U type structure, and its crooked one end is emboliaed in one wears wall section heater, and the sample gas filters the sample cavity body and sample gas honeycomb duct intercommunication, and sample gas diluting device crosses sintered filter through the pottery and connects the sample gas and filter the sample cavity body, and sample gas diluting device is connected with vacuum generator, the sample gas filter the sample cavity personally experience sth. Part of the body with sample gas diluting device in a casing heater, vacuum generator connects sample gas enrichment and desorption apparatus. The utility model discloses a set up that the sample gas dilutes, enrichment and desorption dual mode, it is short to have a sampling time, and efficient, real -time response ability of sample and operating mode adaptability advantage such as good can satisfy the low concentration and arrange and mouthful monitor, also is difficult for the jam under the high dustiness working condition of high humility.
Description
Technical field
This utility model is related to environmental monitoring Sampling techniques field, more particularly to one kind can have to stationary source volatility
The device sampled by machine thing waste gas.
Background technology
In order to grasp the emission behaviour of chemical enterprise volatile organic matter comprehensively, science controls reason Volatile organic emissions
The haze problem that secondary pollution causes, between needing to carry out 24 hours not to chemical enterprise stationary source volatile organic matter row's mouth
Disconnected emission monitoring.In Volatile organic emissions monitoring process, it is too high to there is thinner ratio in conventional dilution method sampling probe
The problems such as being difficult to meet low concentration row's mouth monitoring, easily block under the high dustiness working condition of high humility.It is actual raw in Workshop
Often there is operating mode unstable during product, the larger situation of waste gas discharge concentration change occurs, conventional dilution sampling technology operating mode
When adaptability Shortcomings, concentration of emission significantly change, real-time response is indifferent, constrains sampling probe rear end monitoring instrument
The real-time of data and effectiveness.
Utility model content
The technical problems to be solved in the utility model is the defect for prior art, there is provided it is dilute that one kind can carry out sample gas
Release, fast enriching with desorption sampling probe, it is adaptable to the fast sampling of stationary source volatile organic compounds.
For solving above-mentioned technical problem, this utility model is adopted the following technical scheme that：A kind of stationary source volatility has
Machine thing sampling probe, it is characterised in that：Sample introduction cavity, sample gas air mix facilities and sample gas richness is filtered including sample conductance flow tube, sample gas
Collection and desorption apparatus, the sample conductance flow tube are U-shape structure, and its bending one end is inserted in one through walls section of heater, sample gas mistake
Filter sample introduction cavity is connected with sample conductance flow tube, and sample gas air mix facilities connects sample gas by ceramic oversintering filter and filters sample cavity
Body, sample gas air mix facilities are connected with vacuum generator, and sample gas filters sample introduction cavity with sample gas air mix facilities in case heaters
It is interior, insulation fibre is provided with outside case heaters；Through walls section of heater and case heaters by sampling probe be heated to 120 DEG C with
On.Vacuum generator connection sample gas enrichment and desorption apparatus；Sample gas is enriched with and is provided with mass flowmenter and enrichment with desorption apparatus
With desorption control box.
Further, home position of the sample conductance flow tube at its U-bend is provided with leeward sampling tubule, leeward
Sample conductance flow tube and sample gas are filtered sample introduction cavity and are connected by sampling tubule.Sample conductance flow tube imports sample gas, and sample gas is along sample conductance stream
Pipe is extracted to sample gas by leeward sampling tubule at return after importing and filters sample introduction cavity.
Support spring is provided with sample gas filtration sample cavity body to be supported ceramic post sintering filter；Set in probe inside
It is equipped with some place's O-ring seals.
Further, velocity of sound aperture, velocity of sound aperture one end and ceramic oversintering filter pair is provided with sample gas air mix facilities
Connect, the other end is connected with vacuum generator.Sample gas air mix facilities produces power source by vacuum generator, and sample gas is filtered from sample gas
Sample introduction cavity is mixed in vacuum generator outlet with compressed air after velocity of sound aperture, completes the dilution of sample gas.
Further, mass flowmenter one of in the enrichment of vacuum generator connection sample gas and desorption apparatus, quality
Effusion meter is enriched with and is connected emptying with desorption control box Jing three-way magnetic valve by three-way magnetic valve connection enrichment and desorption control box
Pipe, and enrichment is connected with air inlet pipe with desorption control box Jing three-way magnetic valve.
Further, two groups of structure identical adsorption tubes are provided with enrichment with desorption control box, two adsorption tubes are externally provided with
Heat-insulation layer is provided with outside heater, heater and between adsorption tube.
Further, the two ends of two adsorption tubes are connected to three-way magnetic valve, wherein the two of one end threeway electromagnetism
Valve connects a three way cock, the mass flowmenter that three way cock's connection is connected with vacuum generator, and two threeways at the end
Electromagnetic valve is connected with another mass flowmenter by another three way cock, and the mass flowmenter is connected with escape pipe；The other end
Three-way magnetic valve is respectively connected with evacuated tube, and two three-way magnetic valves at the end are connected with air inlet pipe by a three way cock.
The metal parts that sampling probe is contacted with sample gas all adopts stainless steel, mozzle, sample gas to filter sample cavity
Body, sample gas air mix facilities are integrally heated.
This utility model solves stationary source volatility by arranging the dilution of sample gas, enrichment and desorption two ways
In Organic substance sampling process, the interference problem of sample aerated particle thing, steam and nonvolatile organic compound, shortens the sampling time, improves
Sampling efficiency, real-time response ability and operating mode adaptability, can meet low concentration row's mouth monitoring, in the high dustiness work of high humility
Blocking is not easy under the conditions of condition.
Description of the drawings
Fig. 1 is this utility model cross section structure diagram；
Fig. 2 is this utility model internal structure schematic diagram；
Fig. 3 is enrichment and desorption control box structural representation.
In figure, 1 is sample conductance flow tube, and 2 is through walls section of heater, and 3 is leeward sampling tubule, and 4 is that sample gas filters sample cavity
Body, 5 are ceramic oversintering filter, and 6 is velocity of sound aperture, and 7 is vacuum generator, and 8 is mass flowmenter, and 9 is case heaters,
10 is three-way magnetic valve, and 11 is support spring, and 12 is sample gas air mix facilities, and 13 is escape pipe, and 14 are enrichment and desorption control box,
15 is three-way magnetic valve, and 16 is three way cock, and 17 is three-way magnetic valve, and 18 is three-way magnetic valve, and 19 is air inlet pipe, and 20 are heating
Device, 21 is heat-insulation layer, and 22 is adsorption tube, and 23 is adsorption tube, and 24 is evacuated tube, and 25 is evacuated tube, and 26 is the enrichment of sample gas and desorption
Device, 27 is three way cock, and 28 is three way cock, and 29 is mass flowmenter, and 30 is insulation fibre, and 31 is O-ring seal.
Specific embodiment
In the present embodiment, see figures.1.and.2, the stationary source volatile organic matter sampling probe, including sample conductance
Flow tube 1, sample gas filter sample introduction cavity 4, sample gas air mix facilities 12 and the enrichment of sample gas and desorption apparatus 26, and the sample conductance flow tube is
U-shape structure, its bending one end are inserted in one through walls section of heater 2, and sample gas is filtered sample introduction cavity and connected with sample conductance flow tube, sample
Gas air mix facilities connects sample gas by ceramic oversintering filter 5 and filters sample introduction cavity 4, and sample gas air mix facilities is connected with vacuum and sends out
Raw device 7, sample gas filter sample introduction cavity and sample gas air mix facilities in case heaters 9, are provided with insulation outside case heaters 9
Fiber 30；Sampling probe is heated to more than 120 DEG C with case heaters 9 by through walls section of heater 2.Vacuum generator 7 connects sample
Gas is enriched with and desorption apparatus；Sample gas is enriched with and is provided with mass flowmenter and enrichment in desorption apparatus with desorption control box 14.
The sample conductance flow tube 1 is provided with leeward sampling tubule 3 in the home position at its U-bend, and leeward sampling is little
Sample conductance flow tube 1 and sample gas are filtered sample introduction cavity 4 and are connected by pipe 3.Sample conductance flow tube 1 imports sample gas, and sample gas is along sample conductance flow tube 1
Extracted to sample gas by leeward sampling tubule at return after importing and filter sample introduction cavity.
Support spring 11 is provided with sample gas filtration sample cavity body to be supported ceramic post sintering filter 5；In probe
Portion is provided with some place's O-ring seals 31.
Velocity of sound aperture 6 is provided with sample gas air mix facilities, and 6 one end of velocity of sound aperture is docked with ceramic oversintering filter, another
End is connected with vacuum generator.Sample gas air mix facilities 12 produces power source by vacuum generator 7, and sample gas is filtered sample introduction from sample gas
Cavity 4 is completed the dilution of sample gas by mixing in vacuum generator outlet with compressed air after velocity of sound aperture 6.
With reference to Fig. 3, mass flowmenter 8 one of in the connection sample gas enrichment of vacuum generator 7 and desorption apparatus 26, matter
Amount effusion meter 8 is by three-way magnetic valve connection enrichment and desorption control box 14, enrichment and desorption 14 Jing three-way magnetic valves of control box
Connection evacuated tube, and enrichment is connected with air inlet pipe with desorption control box Jing three-way magnetic valve.
Two groups of structure identical adsorption tubes 22,23, two adsorption tubes 22,23 peripheral hardwares are provided with enrichment with desorption control box 14
Having heaters 20, is provided with heat-insulation layer 21 outside heater 20 and between adsorption tube.
The two ends of two adsorption tubes 22,23 are connected to three-way magnetic valve, wherein the two of one end three-way magnetic valve 17,
10 one three way cock 27 of connection, the three way cock 27 connect the mass flowmenter 8 being connected with vacuum generator 4, and the two of the end
Individual three-way magnetic valve 17,10 is connected with another mass flowmenter 29 by another three way cock 28, and the mass flowmenter 29 connects
There is escape pipe 13；Two three-way magnetic valves 15,18 of the other end are respectively connected with evacuated tube 25,24, and two three energizations at the end
Magnet valve 15,18 is connected with air inlet pipe 19 by a three way cock 16.
It is enriched with and with the workflow being desorbed is：The Jing threeways Jing after mass flowmenter 8 carries out sample introduction flow measurement of sample gas elder generation
Joint 27 enters adsorption tube 22 after entering three-way magnetic valve 17, sample gas is enriched with adsorption tube 22, and after enrichment, sample gas is again
After by three-way magnetic valve 18 and three way cock 16, emptied by evacuated tube 24, this enrichment flow process for adsorption tube 22.
When 22 pairs of sample gas being enriched with of adsorption tube are desorbed, using purify air as carrier gas.Carrier gas Jing air inlet pipe 19
After importing, adsorption tube 22 is inversely entered Jing after three-way magnetic valve 18 by three way cock 16, now by heater 20 to adsorption tube 22
Heated, heating-up temperature is 250 DEG C.Carrier gas carries the sample gas Jing three-way magnetic valves 17 after being desorbed and passes through matter by three way cock 28
After amount effusion meter 29, sample gas after desorption is discharged from escape pipe 13, this desorption flow process for adsorption tube 22.
The enrichment of adsorption tube 23 is essentially identical with the flow process of adsorption tube 22 with desorption flow process, and here is no longer repeated.Work as absorption
When being enriched with, adsorption tube 23 is being desorbed pipe 22 simultaneously, and when being desorbed, adsorption tube 23 is carrying out richness to adsorption tube 22
Collection, is operated by this flow process alternate cycles.
Below this utility model is described in detail, the above, only the preferred embodiment of this utility model and
, it is when this utility model practical range can not be limited, i.e., all according to the made impartial change of the application scope and modification, all should still belong to this
In utility model covering scope.
Claims (7)
1. a kind of stationary source volatile organic matter sampling probe, it is characterised in that：Including sample conductance flow tube, sample gas filter into
The enrichment of sample cavity, sample gas air mix facilities and sample gas and desorption apparatus, the sample conductance flow tube are U-shape structure, its bending one end set
Enter in one through walls section of heater, sample gas is filtered sample introduction cavity and connected with sample conductance flow tube, sample gas air mix facilities is by ceramic mistake
Sintered filter connection sample gas filters sample introduction cavity, and sample gas air mix facilities is connected with vacuum generator, and sample gas filters sample introduction cavity
With sample gas air mix facilities in case heaters, insulation fibre outside case heaters, is provided with；Vacuum generator connects sample gas
Enrichment and desorption apparatus；Sample gas is enriched with and is provided with mass flowmenter and enrichment in desorption apparatus with desorption control box.
2. stationary source volatile organic matter sampling probe according to claim 1, it is characterised in that：The sample conductance
Home position of the flow tube at its U-bend is provided with leeward sampling tubule, and leeward sampling tubule is by sample conductance flow tube and sample gas
Filter the connection of sample introduction cavity.
3. stationary source volatile organic matter sampling probe according to claim 2, it is characterised in that：Filter in sample gas
It is provided with support spring to be supported ceramic post sintering filter in sample cavity body；The O-shaped sealing in some places is internally provided with probe
Circle.
4. stationary source volatile organic matter sampling probe according to claim 3, it is characterised in that：Sample gas dilution dress
Velocity of sound aperture is provided with putting, and velocity of sound aperture one end is docked with ceramic oversintering filter, and the other end is connected with vacuum generator.
5. stationary source volatile organic matter sampling probe according to claim 4, it is characterised in that：Vacuum generator
Mass flowmenter one of in the enrichment of connection sample gas and desorption apparatus, mass flowmenter is by three-way magnetic valve connection enrichment
With desorption control box, it is enriched with, and be enriched with and desorption control box Jing threeway
Electromagnetic valve is connected with air inlet pipe.
6. stationary source volatile organic matter sampling probe according to claim 5, it is characterised in that：It is being enriched with and is taking off
It is provided with attached control box outside two groups of structure identical adsorption tubes, two adsorption tube peripheral hardware having heaters, heater and between adsorption tube
It is provided with heat-insulation layer.
7. stationary source volatile organic matter sampling probe according to claim 6, it is characterised in that：Two adsorption tubes
Two ends be connected to three-way magnetic valve, wherein the two of one end three-way magnetic valve connects a three way cock, the three way cock
Connect the mass flowmenter being connected with vacuum generator, and two three-way magnetic valves at the end are connected with by another three way cock
Another mass flowmenter, the mass flowmenter are connected with escape pipe；The three-way magnetic valve of the other end is respectively connected with evacuated tube, and should
Two three-way magnetic valves at end are connected with air inlet pipe by a three way cock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621073302.2U CN206038385U (en) | 2016-09-23 | 2016-09-23 | Stationary source volatile organic compounds sampling probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621073302.2U CN206038385U (en) | 2016-09-23 | 2016-09-23 | Stationary source volatile organic compounds sampling probe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206038385U true CN206038385U (en) | 2017-03-22 |
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ID=58296591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621073302.2U Expired - Fee Related CN206038385U (en) | 2016-09-23 | 2016-09-23 | Stationary source volatile organic compounds sampling probe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206038385U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107271227A (en) * | 2017-07-20 | 2017-10-20 | 江苏舒茨测控设备股份有限公司 | A kind of non-isometric sampling backflow double hose sampling probe |
| CN107367403A (en) * | 2017-09-05 | 2017-11-21 | 河北哨宾科技有限公司 | The Multi-point high temperature sample gas acquisition system of reliable operation |
| CN108169288A (en) * | 2018-02-06 | 2018-06-15 | 青岛海纳光电环保有限公司 | A kind of Flue Gas Moisture Content Detector |
| CN110554150A (en) * | 2019-09-25 | 2019-12-10 | 合肥金星机电科技发展有限公司 | Gas circuit heating structure of gas concentration detection device |
| CN115178064A (en) * | 2022-06-23 | 2022-10-14 | 上海交通大学 | Intelligent control technology malodor pretreatment system and method |
-
2016
- 2016-09-23 CN CN201621073302.2U patent/CN206038385U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107271227A (en) * | 2017-07-20 | 2017-10-20 | 江苏舒茨测控设备股份有限公司 | A kind of non-isometric sampling backflow double hose sampling probe |
| CN107367403A (en) * | 2017-09-05 | 2017-11-21 | 河北哨宾科技有限公司 | The Multi-point high temperature sample gas acquisition system of reliable operation |
| CN108169288A (en) * | 2018-02-06 | 2018-06-15 | 青岛海纳光电环保有限公司 | A kind of Flue Gas Moisture Content Detector |
| CN110554150A (en) * | 2019-09-25 | 2019-12-10 | 合肥金星机电科技发展有限公司 | Gas circuit heating structure of gas concentration detection device |
| CN115178064A (en) * | 2022-06-23 | 2022-10-14 | 上海交通大学 | Intelligent control technology malodor pretreatment system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170322 Termination date: 20190923 |