CN207232104U - A kind of volatile organic matter on-line monitoring system - Google Patents
A kind of volatile organic matter on-line monitoring system Download PDFInfo
- Publication number
- CN207232104U CN207232104U CN201721304010.XU CN201721304010U CN207232104U CN 207232104 U CN207232104 U CN 207232104U CN 201721304010 U CN201721304010 U CN 201721304010U CN 207232104 U CN207232104 U CN 207232104U
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- China
- Prior art keywords
- organic matter
- volatile organic
- monitoring system
- sample introduction
- line monitoring
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Abstract
It the utility model is related to a kind of volatile organic matter on-line monitoring system, including sampling apparatus, concentrated sample introduction device, detection device, sampling apparatus includes volatile organic matter harvester and control centre, volatile organic matter harvester includes sampler, data transmission unit and data acquisition unit, sampler passes through pressure transmitter respectively, solenoid valve with and data acquisition unit be connected, data acquisition unit is connected with data transmission unit, pressure transmitter is connected with digital display instrument, sampler is connected with air-flow buffer room, air-flow buffer room is connected with concentrated sample introduction device, concentrated sample introduction device is connected with detection device.The utility model can carry out long-range volatile organic matter controlling of sampling by control centre, improve the degree of automation of volatile organic matter sampling, in addition, volatile organic matter can be monitored in real time, data accuracy in can ensureing from sample introduction to detection process, is adapted to the real-time monitoring at complicated industrial work scene.
Description
Technical field
The utility model belongs to environment supervision instrument technical field, and it is online to concretely relate to a kind of volatile organic matter
Monitoring system.
Background technology
Volatile organic matter (volatile organic compounds, VOCs), refers to that saturated vapor pressure is big under room temperature
Organic compound of the boiling point below 50~260 DEG C under 133.32Pa, normal pressure, or any energy volatilization at normal temperatures and pressures have
Machine solid or liquid.
It is particularly important to industrial production environment to monitor the content of VOCs in air on-line, in the prior art, in air
During the detection of VOCs, need to be adsorbed with adsorption tube at the scene first, be then resolved to chromatograph analysis through being pyrolyzed analyzer to laboratory,
Process operation is more complicated, and the operation level requirement to laboratory technician is also higher, and careless slightly will result in detects knot
Fruit deviation is larger.
In addition, mainly have currently for the technical method that VOCs is sampled：Directly sampling, it is dynamic sampling and passively adopt
Sample etc..Directly sampling is directly to take the tested component that concentration is higher in air using fixed container, is commonly available to pollutant
The higher pollution sources of concentration；Dynamic sampling is to be gathered air sample by absorbing liquid, adsorbent, cold trap trapping etc. with pump
Target compound；Passive type sampling is based on gaseous state or vaporous pollutant in gas molecule diffusion or penetration theory collection air
A kind of method of sampling.However, the above-mentioned method of sampling all has to come to personally sampling location by manual site's startup control sampling cartridge
Put, it is impossible to realize remote control, the degree of automation is not high.
Utility model content
In order to overcome the shortcomings of the prior art, the utility model provide it is a kind of it is easy to operate, detection accuracy is high,
The volatile organic matter on-line monitoring system of remote controlled sample introduction.
A kind of volatile organic matter on-line monitoring system, the system comprises sampling apparatus, concentrated sample introduction device, detection dress
Put, the sampling apparatus is included in volatile organic matter harvester and the control being connected with it by cordless communication network
The heart, the volatile organic matter harvester include sampler, data transmission unit and data acquisition unit, the sampler point
Not by pressure transmitter, solenoid valve with and data acquisition unit be connected, the data acquisition unit and data transmission unit phase
Even, the pressure transmitter is connected with digital display instrument, and the sampler is connected with air-flow buffer room, the air-flow buffer room and concentration
Sampling device is connected, and the concentrated sample introduction device is connected with detection device.
Preferably, the detection device also passes sequentially through industrial personal computer, host computer, data acquisition device and control centre's phase
Even, the industrial personal computer is also connected with monitoring device.
Preferably, flow controller is equipped with before the sampler.
Preferably, back-blowing device is equipped between the sampling apparatus and concentrated sample introduction device.
Preferably, the back-blowing device includes source of the gas, filter and the back-flushing valve being sequentially connected.
Preferably, the detection device is chromatograph.
Preferably, the concentrated sample introduction device is high temperature trapping and high temperature thermal desorption device.Realize low concentration VOCs's
Enrichment method.
The utility model can carry out long-range volatile organic matter controlling of sampling by control centre, and it is organic to improve volatility
The degree of automation of thing sampling, furthermore it is possible to be monitored in real time to volatile organic matter, while can ensure from sample introduction to inspection
Data accuracy during survey；The utility model accuracy of instrument is high, is adapted to the real-time monitoring at complicated industrial work scene.
Brief description of the drawings
Fig. 1 is the structure diagram of the utility model.
Embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings, but the protection model of the utility model
Enclose and be not limited to this.
It the utility model is related to equipment and be purchased from market, wherein, sampler model DL-6000 types, purchased from Qingdao power
Great achievement environmental protection equipment Co., Ltd；Data transmission unit is LZ953I CDMA DTU, purchased from Xiamen Lenz Communication Co., Ltd.；
Data acquisition unit model MW100, purchased from Ke Ruijie Science and Technology Ltd.s of Shenzhen；Pressure transmitter model
PB8300CNM1/A, purchased from Yuyao City Huan Gong instrument and meter for automations factory；Electromagnetic valve model is ZQDF, is controlled purchased from one circulation body of Shanghai
Equipment Co., Ltd；Flow controller model AX10FC, purchased from Xi'an Ao Xin instrument and meter for automations Co., Ltd；Digital display instrument
Model PY502H, purchased from many sensor apparatus Co., Ltds in Foshan one；Concentrated sample introduction device model ZY-3400N, purchased from Beijing
Zhong Yiyusheng Science and Technology Ltd.s；Industrial personal computer is grinds magnificent industrial personal computer IPC610L, purchased from Beijing Tyson Science and Technology Ltd.；It is upper
Machine model zm052, purchased from Wuxi Zi Mu electrical complete equipments Co., Ltd；Data acquisition device model M1301, purchased from moral
Yang Lichuan electronics technologies Co., Ltd；Source of the gas is air source of the gas, filter model G4, purchased from clean prosperous really filter in Tianjin
Material Science and Technology Ltd.；Back-flushing valve model TMF-T, purchased from Hebei Qiao Da Environmental Protection Technology Co., Ltd；Chromatograph model GC-
MS6800, purchased from Ren Rui Electronic Science and Technology Co., Ltd.s of Shenzhen.
With reference to Fig. 1, a kind of volatile organic matter on-line monitoring system, the system comprises sampling apparatus, concentrated sample introduction to fill
Put, detection device, the sampling apparatus includes volatile organic matter harvester and is connected with it by cordless communication network
Control centre, the volatile organic matter harvester includes sampler, data transmission unit and data acquisition unit, described
Sampler respectively by pressure transmitter, solenoid valve with and data acquisition unit be connected, the data acquisition unit and data pass
Defeated unit is connected, and the pressure transmitter is connected with digital display instrument, and the sampler is connected with air-flow buffer room, before the sampler
Equipped with flow controller.
Sampler is used for when solenoid valve is connected, and the air comprising VOCs under current environment is sampled；Pressure becomes
Device is sent to be used to detect the pressure in present sample device, generation pressure data is sent to the data acquisition unit；Digital display instrument is used for
The pressure data that real-time display pressure transmitter is got；Data transmission unit is used to receive in control by cordless communication network
The instantaneous sampling control signal of heart transmission simultaneously sends it to data acquisition unit, receives the hits that data acquisition unit is sent
Control centre is sent to by cordless communication network according to and by it；Data acquisition unit is used to control the instantaneous sampling received
Signal is sent to solenoid valve, and corresponding sampling flow and sampling volume data are generated according to the pressure data received.
The air-flow buffer room is connected with concentrated sample introduction device, and the concentrated sample introduction device is connected with detection device, described
Detection device also passes sequentially through industrial personal computer, host computer, data acquisition device and is connected with control centre, the industrial personal computer also with monitoring
Device is connected.Back-blowing device is equipped between sampling apparatus and the concentrated sample introduction device, the back-blowing device includes being sequentially connected
Source of the gas, filter and back-flushing valve.Back-blowing device periodically can carry out positive blowback to pipeline, avoid the generation of clogging, make
Measured value is more stablized, and ensures accuracy of measurement.
The detection device is chromatograph, and the concentrated sample introduction device is high temperature trapping and high temperature thermal desorption device, is realized
The enrichment method of low concentration VOCs.
Claims (7)
- A kind of 1. volatile organic matter on-line monitoring system, it is characterised in that：The system comprises sampling apparatus, concentrated sample introduction to fill Put, detection device, the sampling apparatus includes volatile organic matter harvester and is connected with it by cordless communication network Control centre, the volatile organic matter harvester includes sampler, data transmission unit and data acquisition unit, described Sampler respectively by pressure transmitter, solenoid valve with and data acquisition unit be connected, the data acquisition unit and data pass Defeated unit is connected, and the pressure transmitter is connected with digital display instrument, and the sampler is connected with air-flow buffer room, the air-flow buffer Room is connected with concentrated sample introduction device, and the concentrated sample introduction device is connected with detection device.
- 2. volatile organic matter on-line monitoring system according to claim 1, it is characterised in that：The detection device also according to Secondary to be connected by industrial personal computer, host computer, data acquisition device with control centre, the industrial personal computer is also connected with monitoring device.
- 3. volatile organic matter on-line monitoring system according to claim 1, it is characterised in that：It is equipped with before the sampler Flow controller.
- 4. volatile organic matter on-line monitoring system according to claim 1, it is characterised in that：The sampling apparatus with it is dense Back-blowing device is equipped between retraction sampling device.
- 5. volatile organic matter on-line monitoring system according to claim 4, it is characterised in that：The back-blowing device includes Source of the gas, filter and the back-flushing valve being sequentially connected.
- 6. volatile organic matter on-line monitoring system according to claim 1, it is characterised in that：The detection device is color Spectrometer.
- 7. volatile organic matter on-line monitoring system according to claim 1, it is characterised in that：The concentrated sample introduction device For high temperature trapping and high temperature thermal desorption device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721304010.XU CN207232104U (en) | 2017-09-30 | 2017-09-30 | A kind of volatile organic matter on-line monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721304010.XU CN207232104U (en) | 2017-09-30 | 2017-09-30 | A kind of volatile organic matter on-line monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207232104U true CN207232104U (en) | 2018-04-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721304010.XU Expired - Fee Related CN207232104U (en) | 2017-09-30 | 2017-09-30 | A kind of volatile organic matter on-line monitoring system |
Country Status (1)
| Country | Link |
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| CN (1) | CN207232104U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112903912A (en) * | 2021-01-20 | 2021-06-04 | 武汉新泽安科技有限公司 | Flue gas volatile organic compounds on-line monitoring system |
-
2017
- 2017-09-30 CN CN201721304010.XU patent/CN207232104U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112903912A (en) * | 2021-01-20 | 2021-06-04 | 武汉新泽安科技有限公司 | Flue gas volatile organic compounds on-line monitoring system |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180413 Termination date: 20210930 |
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| CF01 | Termination of patent right due to non-payment of annual fee |