CN206832755U - A kind of volatile organic matter monitoring device - Google Patents
A kind of volatile organic matter monitoring device Download PDFInfo
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- CN206832755U CN206832755U CN201720647546.5U CN201720647546U CN206832755U CN 206832755 U CN206832755 U CN 206832755U CN 201720647546 U CN201720647546 U CN 201720647546U CN 206832755 U CN206832755 U CN 206832755U
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- monitoring device
- organic matter
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Abstract
It the utility model is related to monitoring device, more particularly to a kind of volatile organic matter monitoring device, including shell, water pump is provided with shell, the water inlet end of water pump is connected with water inlet pipe, the water side of water pump is connected by connecting leg with storage tank, storage tank is connected by the first connecting leg with settling tank, settling tank passes through the second connecting leg respectively, 3rd connecting leg and foul water tank, detection case connects, foul water tank connects with blow-off pipe, first connecting leg, second connecting leg, 3rd connecting leg, valve is equipped with blow-off pipe, the outlet side that detection case passes through connecting leg and air pump, trap tube connects, the inlet end of air pump is connected by connecting leg with nitrogen gas generator, heating wire is wound with outside trap tube, trap tube is connected by connecting leg with gas chromatograph；The defects of technical scheme provided by the utility model can effectively overcome the oil stain in the water sample present in prior art to enter with water sample inside device.
Description
Technical field
It the utility model is related to monitoring device, and in particular to a kind of volatile organic matter monitoring device.
Background technology
At present, VOCs (volatile organic matter) composition and its Concentration Testing are mainly to pass through chromatographic technique in water, but by
It is limited in its sensitivity, need first to carry out concentrating and separating to water sample to be measured before analysis detects.Present concentrating and separating technology
Mainly have：The separation of liquid direct injected, liquid-liquid extraction, SPE, semipermeable membrane extraction and headspace sampling etc..
Above-mentioned concentrating and separating technology has the following disadvantages：1st, concentration extraction process can cause the loss of volatile organic matter,
Finally make it that measurement result is less than normal；2nd, (such as liquid-liquid extraction) can introduce poisonous organic solvent in concentration process, cause secondary
Pollution；3rd, the concentration of volatile organic matter is in ng/L- μ g/L ranks in current drinking water and environmental water sample, and the capillary in chromatogram
The volume of pipe chromatographic column injection is microlitre magnitude, analysis detection sensitivity can be caused not reach requirement, it usually needs larger volume
Concentration test sample just can guarantee that the sensitivity of detection.
Have at present it is a kind of using Puffing and trapping analyze VOCs detection means, can direct measurement concentration be ppb magnitudes
Volatile organic matter concentration, can be with auto injection, it is not necessary to solvent extraction and separation, so as to Simplified analysis process, accelerate
Analyze speed, improve detection sensitivity.But current detection means and not perfect enough, most of detection means is not to water sample
Carrying out oil removing or oil removing is not thorough, a large amount of oil stains enter inside detection means with water sample, cause detection means internal duct to block,
Cause the degree of accuracy and the sensitivity decrease of subsequent detection.
Utility model content
(1) technical problem solved
For the disadvantages mentioned above present in prior art, the utility model provides a kind of volatile organic matter monitoring dress
Put, the defects of can effectively overcoming oil stain in the water sample present in prior art to enter with water sample inside device.
(2) technical scheme
To realize object above, the utility model is achieved by the following technical programs：
A kind of volatile organic matter monitoring device, including shell, the shell is interior to be provided with water pump, the water inlet end of the water pump
It is connected with water inlet pipe, the water side of the water pump is connected by connecting leg with storage tank, and the storage tank is by the first connecting leg with sinking
The connection of shallow lake case, the settling tank are connected by the second connecting leg, the 3rd connecting leg with foul water tank, detection case respectively, the foul water tank and
Blow-off pipe connects, and first connecting leg, the second connecting leg, the 3rd connecting leg, is equipped with valve on blow-off pipe, the detection case passes through company
Manage and connected with the outlet side of air pump, trap tube, the inlet end of the air pump is connected by connecting leg with nitrogen gas generator, the trapping
Pipe is outer to be wound with heating wire, and the trap tube is connected by connecting leg with gas chromatograph.
Preferably, the water inlet pipe, blow-off pipe stretch out shell.
Preferably, the water pump, air pump are electrically connected with external control switch.
Preferably, the heating wire is electrically connected with external control switch.
Preferably, the valve is electrically connected with external control switch.
(3) beneficial effect
Compared with prior art, a kind of volatile organic matter monitoring device provided by the utility model uses purge and trap
Method carries out research and application to the water sample of collection, it is not necessary to solvent extraction and separation, can Simplified analysis process, accelerate analyze speed,
Improve detection sensitivity；The water sample of extraction can precipitate in settling tank, make oil stain and water stratification in water sample, so as to obtain not
Water sample containing oil stain, avoiding the oil stain in water sample from entering in device causes device internal duct to block, and ensures the standard of subsequent detection
Exactness and sensitivity.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art.It should be evident that drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the utility model structure diagram；
In figure：
1st, shell；2nd, water pump；3rd, water inlet pipe；4th, connecting leg；5th, storage tank；6th, the first connecting leg；7th, settling tank；8th, second connects
Pipe；9th, foul water tank；10th, blow-off pipe；11st, the 3rd connecting leg；12nd, detection case；13rd, air pump；14th, nitrogen gas generator；15th, trap tube；
16th, heating wire；17th, gas chromatograph；18th, valve.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described.Obviously, retouched
The embodiment stated is the utility model part of the embodiment, rather than whole embodiments.Based on the implementation in the utility model
Example, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, is belonged to
The scope of the utility model protection.
A kind of volatile organic matter monitoring device, as shown in figure 1, including shell 1, shell 1 is interior to be provided with water pump 2, water pump 2
Water inlet end is connected with water inlet pipe 3, and the water side of water pump 2 is connected by connecting leg 4 with storage tank 5, and storage tank 5 passes through the first connecting leg 6
Connected with settling tank 7, settling tank 7 is connected by the second connecting leg 8, the 3rd connecting leg 11 with foul water tank 9, detection case 12 respectively, sewage
Case 9 connects with blow-off pipe 10, the first connecting leg 6, the second connecting leg 8, the 3rd connecting leg 11, is equipped with valve 18 on blow-off pipe 10, detects
Case 12 is connected by the outlet side of connecting leg 4 and air pump 13, trap tube 15, and the inlet end of air pump 13 passes through connecting leg 4 and occurred with nitrogen
Device 14 is connected, and is wound with heating wire 16 outside trap tube 15, trap tube 15 is connected by connecting leg 4 with gas chromatograph 17.
Water inlet pipe 3, blow-off pipe 10 stretch out shell 1, and water pump 2, air pump 13 are electrically connected with external control switch, electric heating
Silk 16 is electrically connected with external control switch, and valve 18 is electrically connected with external control switch.
In use, water sample is pumped into storage tank 5 by water inlet pipe 3, connecting leg 4 using water pump 2, open on the first connecting leg 6
Valve 18, allow water sample to be flowed into from the first connecting leg 6 in settling tank 7 and precipitated, precipitation can make oil stain and moisture in water sample
Layer.After precipitating a period of time, the valve 18 on the 3rd connecting leg 11 is opened, allows water sample of the bottom of settling tank 7 without oil stain from the 3rd
Connecting leg 11 is flowed into detection case 12；Open the valve 18 on the second connecting leg 8 again, allow in settling tank 7 water sample of the residue containing oil stain from
Second connecting leg 8 is flowed into foul water tank 9, opens the valve 18 on blow-off pipe 10, you can the sewage allowed in foul water tank 9 passes through blow-off pipe
10 outflow shells 1.
Air pump 13 is opened, nitrogen caused by nitrogen gas generator 14 can be pumped into detection case 12 by air pump 13 by connecting leg 4, with
Gas above water sample in detection case 12 is sent into trap tube 15 by nitrogen as carrier gas by connecting leg 4, and heating wire 16 can be right
Trap tube 15 heats, and the gas in trap tube 15 enters gas chromatograph 17 by connecting leg 4, by gas chromatograph 17 in water sample
Volatile organic matter carry out research and application.Gas chromatograph 17 is connected with host computer using the communications cable, you can realization pair
The real-time monitoring of volatile organic matter in water body.
A kind of water sample of the volatile organic matter monitoring device provided by the utility model using Puffing and trapping to collection
Carry out research and application, it is not necessary to solvent extraction and separation, can Simplified analysis process, accelerate analyze speed, improve detection sensitivity；
The water sample of extraction can precipitate in settling tank, make oil stain and water stratification in water sample, so as to obtain the water sample without oil stain, keep away
Exempt from oil stain in water sample and enter in device to cause device internal duct to block, ensure the degree of accuracy and sensitivity of subsequent detection.
Above example is only to illustrate the technical solution of the utility model, rather than its limitations；Although with reference to foregoing reality
Example is applied the utility model is described in detail, it will be understood by those within the art that：It still can be to preceding
State the technical scheme described in each embodiment to modify, or equivalent substitution is carried out to which part technical characteristic；And these
Modification or replace, can't make appropriate technical solution essence depart from various embodiments of the utility model technical scheme spirit and
Scope.
Claims (5)
- A kind of 1. volatile organic matter monitoring device, it is characterised in that：Including shell (1), water pump is provided with the shell (1) (2), the water inlet end of the water pump (2) is connected with water inlet pipe (3), and the water side of the water pump (2) passes through connecting leg (4) and storage tank (5) connect, the storage tank (5) is connected by the first connecting leg (6) with settling tank (7), and the settling tank (7) passes through second respectively Connecting leg (8), the 3rd connecting leg (11) connect with foul water tank (9), detection case (12), and the foul water tank (9) connects with blow-off pipe (10), First connecting leg (6), the second connecting leg (8), the 3rd connecting leg (11), valve (18), the detection are equipped with blow-off pipe (10) Case (12) is connected by the outlet side of connecting leg (4) and air pump (13), trap tube (15), and the inlet end of the air pump (13) passes through company Pipe (4) is connected with nitrogen gas generator (14), is wound with heating wire (16) outside the trap tube (15), the trap tube (15) passes through Connecting leg (4) is connected with gas chromatograph (17).
- 2. volatile organic matter monitoring device according to claim 1, it is characterised in that：The water inlet pipe (3), blow-off pipe (10) shell (1) is stretched out.
- 3. volatile organic matter monitoring device according to claim 1, it is characterised in that：The water pump (2), air pump (13) It is electrically connected with external control switch.
- 4. volatile organic matter monitoring device according to claim 1, it is characterised in that：The heating wire (16) and outside Controlling switch is electrically connected.
- 5. volatile organic matter monitoring device according to claim 1, it is characterised in that：The valve (18) with outside Controlling switch is electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720647546.5U CN206832755U (en) | 2017-06-06 | 2017-06-06 | A kind of volatile organic matter monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720647546.5U CN206832755U (en) | 2017-06-06 | 2017-06-06 | A kind of volatile organic matter monitoring device |
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| Publication Number | Publication Date |
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| CN206832755U true CN206832755U (en) | 2018-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720647546.5U Expired - Fee Related CN206832755U (en) | 2017-06-06 | 2017-06-06 | A kind of volatile organic matter monitoring device |
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| Country | Link |
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| CN (1) | CN206832755U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109557214A (en) * | 2018-12-27 | 2019-04-02 | 宜春学院 | Volatile organic matter detection device in a kind of atmosphere with adsorption function |
-
2017
- 2017-06-06 CN CN201720647546.5U patent/CN206832755U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109557214A (en) * | 2018-12-27 | 2019-04-02 | 宜春学院 | Volatile organic matter detection device in a kind of atmosphere with adsorption function |
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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: 20180102 Termination date: 20200606 |
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| CF01 | Termination of patent right due to non-payment of annual fee |