CN206671290U - A kind of VOCs detection means - Google Patents
A kind of VOCs detection means Download PDFInfo
- Publication number
- CN206671290U CN206671290U CN201720328325.1U CN201720328325U CN206671290U CN 206671290 U CN206671290 U CN 206671290U CN 201720328325 U CN201720328325 U CN 201720328325U CN 206671290 U CN206671290 U CN 206671290U
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- China
- Prior art keywords
- valve
- pipe
- detection means
- sample
- gas bottle
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model provides a kind of VOCs detection means, including shell, probe tube and detector body, also include spiral discharge and gas bottle, coarse granule filter is disposed with the probe tube from left to right, fine grained filter, sampling pump, first switch valve, spiral discharge, flow control valve, the spiral discharge is arranged in medium box body, the outlet side of the flow control valve is connected with one end of sample presentation pipe, the other end of sample presentation pipe is connected with the gas bottle, sample presentation pipe is provided with the sample feeding pipe being attached thereto, the outlet side of sample feeding pipe connects the detector body, sample feeding pipe is provided with intake valve.The utility model also effectively extends the cleaning frequency of filter core while filter effect is ensured, and can realize the function of first sampling and analyze again, while has whether the organic matter judged in gas can pass through the function that the mode of condensation recovery is effectively reclaimed.
Description
Technical field
VOCs detection technique fields are the utility model is related to, particularly a kind of VOCs detection means.
Background technology
VOCs is volatile organic matter (Volatile Organic Compounds) english abbreviation, be at normal temperatures with
The type organic that vapor form is present in air.VOCs includes alkanes, arene, esters of gallic acid, aldehydes etc., anthropogenic discharge
The partial combustion process being mainly derived from production and living and the industrial circle for being related to organic products volatilization loss process, such as
Petrochemical industry, coatings for furniture industry, printing and dyeing industry etc..Main harm is mainly manifested in following aspect caused by VOCs：Portion
Dividing has toxicity and carcinogenicity, can jeopardize the health of human body；Photochemical fog reaction is participated in, forms ozone, acetylperoxide nitre
Acid esters etc.；The formation of secondary particulate in air is participated in, it is closely related with PM2.5 concentration abnormality.Therefore, in industrial production
VOCs discharge administered and monitored it is particularly significant.
For the VOC in detection gas, people develop a variety of VOCs detection devices, applied to each
Kind environmental monitoring.Subject matter existing for present VOCs detection means is：Pretreatment is frequent with the filter element cleaning cycle before sampling,
Service life is short；Most detecting instruments are no matter in which type of environment, and it is sampled and detection operation is required to carry out simultaneously, no
It can carry out first sampling the operation detected afterwards；Detection function is single, it is impossible to judges whether under test gas can carry out condensation recovery and arrange
Apply.
Utility model content
For overcome the deficiencies in the prior art, the utility model provides a kind of VOCs detection means, can effectively extend
The cleaning frequency of filter core, while can first sample and detect afterwards, more enrich its detection function.
Technical scheme is used by the utility model solves its technical problem：A kind of VOCs detection means, including shell,
Probe tube and detector body, in addition to spiral discharge and gas bottle, it is disposed with from left to right on the probe tube thick
Particulate filter, fine grained filter, sampling pump, first switch valve, spiral discharge, flow control valve, the spiral gas collection
Pipe is arranged in medium box body, and the outlet side of the flow control valve is connected with one end of sample presentation pipe, the other end of sample presentation pipe with
The gas bottle is connected, and sample presentation pipe is provided with the sample feeding pipe being attached thereto, and the outlet side of sample feeding pipe connects the detector body,
Sample feeding pipe is provided with intake valve.
As further preferred embodiment, piston is provided with inside the gas bottle, the piston is with stretching out outside shell
Piston rod be connected.
As further preferred embodiment, the inlet end side of the gas bottle, which is additionally provided with, is attached thereto logical exhaust
Pipe, blast pipe are provided with air bleeding valve.
As further preferred embodiment, with being provided with fluoroscopic observation at gas bottle opposite position on the shell
Window.
As further preferred embodiment, the inlet end of the probe tube is provided with second switch valve.
As further preferred embodiment, moisture trap is provided between the fine grained filter and sampling pump,
The liquid outlet of moisture trap is connected with discharging tube.
As further preferred embodiment, be additionally provided with the probe tube between the sampling pump and first switch valve with
Connected shunt valve, the other end of this shunt valve is connected with the inlet end of the flow control valve, and this shunt valve is provided with the
Three switch valves.
Good effect of the present utility model：The utility model first passes through coarse filtration and filters big particle diameter solid particle, then refined filtration filter
Fall small particle size solid particle, the filtering of this thickness combines to be contrasted with existing single filter core, also effective while filter effect is ensured
Extend the cleaning frequency of filter core；The utility model can be realized by the design of gas bottle first samples the function of analyzing again, keeps away
Exempt from testing staff to work long hours under highly complex sampling environment.In addition, the design of the utility model spiral discharge can
To be condensed to gas sampled, then condensed gas is tested and analyzed, passes through pair with non-condensing testing result
Than come judge the organic matter in gas whether can pass through condensation recovery mode effectively be reclaimed.
Brief description of the drawings
Fig. 1 is the structural representation of VOCs detection means described in the utility model embodiment 1；
Fig. 2 is the structural representation of VOCs detection means described in the utility model embodiment 2.
Embodiment
Preferred embodiment of the present utility model is described in detail below in conjunction with the accompanying drawings.
Embodiment 1
Reference picture 1, the utility model preferred embodiment 1 provide a kind of VOCs detection means, including shell 1, probe tube 2 and
Detector body 15, in addition to spiral discharge 9 and gas bottle 13, thick is disposed with from left to right on the probe tube 2
Grain filter 4, fine grained filter 5, sampling pump 6, first switch valve 7, spiral discharge 9, flow control valve 8, the spiral
Discharge 9 is arranged in medium casing 10, and the outlet side of the flow control valve 8 is connected with one end of sample presentation pipe 11, sample presentation pipe
11 other end is connected with the gas bottle 13, and sample presentation pipe 11 is provided with the sample feeding pipe 12 being attached thereto, the outlet of sample feeding pipe 12
End connects the detector body 15, and sample feeding pipe 12 is provided with intake valve (not marked in figure).
The inside of gas bottle 13 is provided with piston, and the piston is connected with stretching out the piston rod outside shell.
The inlet end side of the gas bottle 13, which is additionally provided with, is attached thereto logical blast pipe 14, and blast pipe 14 is provided with exhaust
Valve, this blast pipe are used to empty the gas sampled in gas bottle.
For the ease of observing, with being provided with fluoroscopic observation window at gas bottle opposite position on the shell.
The inlet end of the probe tube 2 is provided with second switch valve 3, and this switch valve is used for outside the present apparatus avoids when not in use
Portion's dust enters filter core and influences the service life of filter core.
During using the present embodiment product, first be passed through into medium box body with sampling environment temperature identical liquid medium, so
First switch valve 7 and second switch valve 3 are opened afterwards, the valve closed on blast pipe 14 and sample feeding pipe 12, are closed after the completion of to be sampled
First switch valve 7 is closed, the flow of flow control valve 8 is adjusted to zero, the intake valve on sample feeding pipe 12 is then opened, to without supercooling
Gas in solidifying gas bottle is tested and analyzed, and the gas in gas bottle is emptied after the completion of detection and analysis.Then to medium box
Cooling liquid medium is passed through in vivo, condensation operation is carried out to the gas in spiral discharge, opens flow control valve afterwards, is utilized
Detector body is analyzed condensed gas componant and concentration, judges gas by the analysis result contrast for condensing front and rear
In organic matter whether can be reclaimed by condensation.
Embodiment 2
Reference picture 2, the utility model preferred embodiment 2 provides a kind of VOCs detection means, different from embodiment 1
It is that moisture trap 17, the liquid outlet of moisture trap 17 and row are provided between the fine grained filter 5 and sampling pump 6
Liquid pipe 18 is connected.
The shunt valve 19 being attached thereto is additionally provided with probe tube between the sampling pump 6 and first switch valve 7, this bypass
The other end of pipe 19 is connected with the inlet end of the flow control valve 8, and this shunt valve is provided with the 3rd switch valve 20.Through this bypass
Pipe directly can carry out on-line checking analysis to gas sampled.
Above-described is only preferred embodiment of the present utility model, should be understood that the explanation of above example only
It is to be used to help understand method and its core concept of the present utility model, is not used to limit the scope of protection of the utility model,
All any modifications made within thought of the present utility model and principle, equivalent substitution etc., it is new to should be included in this practicality
Within the protection domain of type.
Claims (7)
1. a kind of VOCs detection means, including shell, probe tube and detector body, it is characterised in that：Also include spiral gas collection
Pipe and gas bottle, coarse granule filter, fine grained filter, sampling pump, the are disposed with the probe tube from left to right
One switch valve, spiral discharge, flow control valve, the spiral discharge are arranged in medium box body, the flow control valve
Outlet side be connected with one end of sample presentation pipe, the other end of sample presentation pipe is connected with the gas bottle, and sample presentation pipe is provided with phase therewith
Sample feeding pipe even, the outlet side of sample feeding pipe connect the detector body, and sample feeding pipe is provided with intake valve.
A kind of 2. VOCs detection means according to claim 1, it is characterised in that：Piston is provided with inside the gas bottle,
The piston is connected with stretching out the piston rod outside shell.
A kind of 3. VOCs detection means according to claim 2, it is characterised in that：The inlet end side of the gas bottle is also
Provided with logical blast pipe is attached thereto, blast pipe is provided with air bleeding valve.
A kind of 4. VOCs detection means according to claim 2, it is characterised in that：It is corresponding with gas bottle on the shell
Opening position is provided with fluoroscopic observation window.
A kind of 5. VOCs detection means according to claim 1, it is characterised in that：The inlet end of the probe tube is provided with the
Two switch valves.
A kind of 6. VOCs detection means according to any one of claim 1-5 claim, it is characterised in that：It is described thin
Moisture trap is provided between particulate filter and sampling pump, the liquid outlet of moisture trap is connected with discharging tube.
A kind of 7. VOCs detection means according to any one of claim 1-5 claim, it is characterised in that：It is described to take
The shunt valve being attached thereto, the other end of this shunt valve and the stream are additionally provided with probe tube between sample pump and first switch valve
The inlet end of adjustable valve is connected, and this shunt valve is provided with the 3rd switch valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720328325.1U CN206671290U (en) | 2017-03-30 | 2017-03-30 | A kind of VOCs detection means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720328325.1U CN206671290U (en) | 2017-03-30 | 2017-03-30 | A kind of VOCs detection means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206671290U true CN206671290U (en) | 2017-11-24 |
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ID=60367233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720328325.1U Expired - Fee Related CN206671290U (en) | 2017-03-30 | 2017-03-30 | A kind of VOCs detection means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206671290U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109444352A (en) * | 2018-12-29 | 2019-03-08 | 山东润通科技有限公司 | A kind of VOCs on-line detector with pretreatment unit |
| CN112684104A (en) * | 2020-12-01 | 2021-04-20 | 浙江中通检测科技有限公司 | Device for detecting volatile organic compounds in atmosphere and using method thereof |
-
2017
- 2017-03-30 CN CN201720328325.1U patent/CN206671290U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109444352A (en) * | 2018-12-29 | 2019-03-08 | 山东润通科技有限公司 | A kind of VOCs on-line detector with pretreatment unit |
| CN112684104A (en) * | 2020-12-01 | 2021-04-20 | 浙江中通检测科技有限公司 | Device for detecting volatile organic compounds in atmosphere and using method thereof |
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| 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: 20171124 Termination date: 20200330 |
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| CF01 | Termination of patent right due to non-payment of annual fee |