CN207556933U - A kind of multiring aromatic hydrocarbon gas collection device of adjustable flow velocity - Google Patents
A kind of multiring aromatic hydrocarbon gas collection device of adjustable flow velocity Download PDFInfo
- Publication number
- CN207556933U CN207556933U CN201721792047.1U CN201721792047U CN207556933U CN 207556933 U CN207556933 U CN 207556933U CN 201721792047 U CN201721792047 U CN 201721792047U CN 207556933 U CN207556933 U CN 207556933U
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- air inlet
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- aromatic hydrocarbon
- flow velocity
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Abstract
The utility model belongs to gas collector field, specifically provide a kind of multiring aromatic hydrocarbon gas collection device of adjustable flow velocity, receiving flask and piston-type air exhaust cylinder including sample container, equipped with lyosoption, piston-type air exhaust cylinder are driven by the reciprocating motor being connected with controller；Piston-type air exhaust cylinder bottom is equipped with air inlet, side is equipped with gas outlet and refluxing opening, air inlet is connected by the exhaust tube with pressure gauge with sample container, Non-return air valve is equipped at air inlet, gas outlet is connected by the gas tube of the first solenoid valve of band with receiving flask, and inflation pipe end is extended in lyosoption liquid level, the refluxing opening is connected by the return duct with second solenoid valve with receiving flask；Lid is equipped at the top of the sample container, the lid is equipped with the air inlet pipe with third battery valve；First, second and third solenoid valve and pressure gauge are connected with controller.The present apparatus can monitor the volatilization situation of soil gas in real time, and extract the gas evaporated in time, effectively improve collection efficiency.
Description
Technical field
The utility model belongs to gas collector field, specifically provides a kind of polycyclic aromatic hydrocarbon gas of adjustable flow velocity
Body collection device.
Background technology
Environmental monitoring is evaluated, and often to be collected pernicious gas and is monitored evaluation, such as multiring aromatic hydrocarbon gas.Polycyclic aromatic hydrocarbon is
Coal, oil, timber, tobacco, the volatile hydrocarbon that organic high molecular compound is generated when organic matters imperfect combustion,
It is important environment and food contaminant.The polycyclic aromatic hydrocarbon volatile matter collected in soil is detected, and is to understand pollution
The situation of change of various types of polycyclic aromatic hydrocarbon content in the type and content and soil of PAHs in soil is to evaluate certainly
The important means of right ecological environment.At present, the polycyclic aromatic hydrocarbon volatile matter collection in soil is mainly collected using lyosoption,
But these devices are all fairly simple, it is impossible to adjust the flow velocity of multiring aromatic hydrocarbon gas, collection efficiency is low.
Utility model content
The purpose of the utility model is to overcome drawbacks described above, the multiring aromatic hydrocarbon gas for providing a kind of adjustable flow velocity collects dress
It puts.
The technical solution of the utility model：A kind of multiring aromatic hydrocarbon gas collection device of adjustable flow velocity holds including sample
Device, receiving flask and suction control device equipped with lyosoption, further include suction control device, and the suction control device includes
Piston-type air exhaust cylinder, the piston end of the piston-type air exhaust cylinder are equipped with screw rod, are arranged on the screw rod and are driven by reciprocating motor
Flange, the reciprocating motor is connected with controller；The piston-type air exhaust cylinder bottom is equipped with air inlet, side is equipped with gas outlet
And refluxing opening, the air inlet are connected by exhaust tube with sample container, the exhaust tube is equipped with pressure gauge, at air inlet also
Equipped with Non-return air valve, the gas outlet is connected by gas tube with receiving flask, and is inflated pipe end and extended to lyosoption liquid level
Interior, the refluxing opening is connected by return duct with receiving flask；Lid is equipped at the top of the sample container, the lid, which is equipped with, to be connected
Air inlet pipe inside and outside logical sample container；The gas tube is equipped with the first solenoid valve, and the return duct is equipped with the second electric field valve,
The air inlet pipe be equipped with third solenoid valve, first solenoid valve, second solenoid valve, third solenoid valve and pressure gauge with control
Device processed is connected.
In use, being packed into soil in sample container, lid is covered, first, second, three solenoid valves are in closing shape
State.Pressure gauge monitors the gas pressure in sample container in real time, and when gas pressure reaches setting value, controller is controlled toward telegram in reply
Machine starts, and opens first, second, third battery valve, and reciprocating motor drives the pumping of piston-type air exhaust cylinder and deflates.During pumping,
Volatile matter in soil is forced into piston-type air exhaust cylinder；During deflation, the gas being collected into enters polycyclic aromatic hydrocarbon suction along gas tube
It receives and is further dissolved in solvent, extra gas is returned to along return duct in suction control device, carries out secondary collection.
Further, the receiving flask outer wrapping aluminium foil.Prevent polycyclic aromatic hydrocarbon volatile matter from photolysis occurs.
Further, the piston-type air exhaust cylinder is equipped with scale.Convenient for measuring rate of air sucked in required.
Further, the gas outlet and refluxing opening are located at the middle and lower part of piston-type air exhaust cylinder, close to air inlet one end.
Further, the lyosoption is acetonitrile solution.Absorptivity is high.
Further, the exhaust tube, gas tube, air inlet pipe are polyfluortetraethylene pipe.
The utility model advantage：The present apparatus can monitor the volatilization situation of soil gas in real time, and pass through controller and take out in time
The gas evaporated is taken, the flow velocity of multiring aromatic hydrocarbon gas is not only adjusted, but also the collection efficiency of multiring aromatic hydrocarbon gas can be improved.
Description of the drawings
Fig. 1 is the structure diagram of the utility model；
Drawing reference numeral in Fig. 1 is：1- sample containers, 2- lyosoptions, 3- receiving flasks, 4- aluminium foils, 5- piston-type air exhausts
Cylinder, 6- screw rods, 7- reciprocating motors, 8- flanges, 9- controllers, 10- air inlets, 11- gas outlets, 12- refluxing openings, 13- exhaust tubes,
14- pressure gauges, 15- Non-return air valves, 16- gas tubes, 17- return ducts, 18- lids, 19- air inlet pipe, the first solenoid valves of 20-, 21
Second solenoid valve, 22- third solenoid valves.
Specific embodiment
With reference to specific embodiment, the utility model is expanded on further.
As shown in Figure 1, a kind of multiring aromatic hydrocarbon gas collection device of adjustable flow velocity, including sample container 1, equipped with absorption
The receiving flask 3 and suction control device of solvent 2.The lyosoption 2 is acetonitrile solution.The receiving flask 3 is vial, is collected
3 outer wrapping aluminium foils 4 of bottle.
The suction control device includes piston-type air exhaust cylinder 5, and the piston end of the piston-type air exhaust cylinder 5 is equipped with screw rod 6,
The flange 8 driven by reciprocating motor 7 is arranged on the screw rod 6, the reciprocating motor 7 is connected with controller 9.The piston type
5 bottom of pump bowl is equipped with air inlet 10, side is equipped with gas outlet 11 and refluxing opening 12, and the gas outlet 11 and refluxing opening 12 are located at
The middle and lower part of piston-type air exhaust cylinder 5, close air inlet one end.The air inlet 10 is connected by exhaust tube 13 with sample container 1,
The exhaust tube 13 is equipped with pressure gauge 14, is additionally provided with Non-return air valve 15 at air inlet 11, the gas outlet 11 passes through gas tube
16 are connected with receiving flask 3, and 16 end of gas tube is extended in 2 liquid level of lyosoption, and the refluxing opening 12 passes through return duct 17
It is connected with receiving flask 3.The piston-type air exhaust cylinder 5 is equipped with scale.
1 top of sample container is equipped with lid 18, and the lid 18 is equipped with the air inlet pipe inside and outside connection sample container 1
19；The gas tube 16 is equipped with the first solenoid valve 20, and the return duct 17 is equipped with the second electric field valve 21, the air inlet pipe 19
Be equipped with third solenoid valve 22, first solenoid valve 20, second solenoid valve 21, third solenoid valve 22 and pressure gauge 14 with control
Device 9 processed is connected.The exhaust tube 13, gas tube 16, air inlet pipe 19 are polyfluortetraethylene pipe.
In use, be packed into soil in the sample container 1, lid 18 is covered, the first solenoid valve 20, second solenoid valve 21, the
Three solenoid valves 22 are in closed state.Pressure gauge 14 monitors the gas pressure in sample container 1 in real time, when gas pressure reaches
During setting value, controller 9 controls reciprocating motor 7 to start, and opens the first solenoid valve 20, second solenoid valve 21, third solenoid valve
22.Reciprocating motor 7 drives piston-type air exhaust cylinder 5 to be evacuated and deflate.During pumping, the volatile matter in soil is forced into piston-type air exhaust
In cylinder 5；During deflation, the gas being collected into further is dissolved along the entrance polycyclic aromatic hydrocarbon of gas tube 16 lyosoption 2, extra gas
Body is returned to along return duct 17 in piston-type air exhaust cylinder 5, carries out secondary collection.The present apparatus can monitor the volatilization feelings of soil gas in real time
Condition, and pass through controller 9 and extract the gas evaporated in time, the flow velocity of multiring aromatic hydrocarbon gas is not only adjusted, but also can improve more
The collection efficiency of cyclophane appropriate hydrocarbon gas.
It should be understood that these embodiments are merely to illustrate the utility model rather than limitation the scope of the utility model.This
Outer to should be understood that after reading the content taught by the present invention, those skilled in the art can make the utility model each
Kind modification or change, these equivalent forms also fall within the scope of the appended claims of the present application.
Claims (6)
1. a kind of multiring aromatic hydrocarbon gas collection device of adjustable flow velocity, the collection including sample container and equipped with lyosoption
Bottle, it is characterised in that：Suction control device is further included, the suction control device includes piston-type air exhaust cylinder, the piston type
The piston end of pump bowl is equipped with screw rod, and the flange driven by reciprocating motor, the reciprocating motor and control are arranged on the screw rod
Device processed is connected；The piston-type air exhaust cylinder bottom is equipped with air inlet, side is equipped with gas outlet and refluxing opening, and the air inlet passes through
Exhaust tube is connected with sample container, and the exhaust tube is equipped with pressure gauge, and Non-return air valve, the gas outlet are additionally provided at air inlet
It is connected by gas tube with receiving flask, and inflates pipe end and extend in lyosoption liquid level, the refluxing opening passes through return duct
It is connected with receiving flask；Lid is equipped at the top of the sample container, the lid is equipped with the air inlet pipe inside and outside connection sample container；
The gas tube is equipped with the first solenoid valve, and the return duct is equipped with the second electric field valve, and the air inlet pipe is equipped with third electricity
Magnet valve, first solenoid valve, second solenoid valve, third solenoid valve and pressure gauge are connected with controller.
2. the multiring aromatic hydrocarbon gas collection device of adjustable flow velocity as described in claim 1, it is characterised in that：The receiving flask
Outer wrapping aluminium foil.
3. the multiring aromatic hydrocarbon gas collection device of adjustable flow velocity as described in claim 1, it is characterised in that：The piston type
Pump bowl is equipped with scale.
4. the multiring aromatic hydrocarbon gas collection device of adjustable flow velocity as described in claim 1, it is characterised in that：The gas outlet
It is located at the middle and lower part of piston-type air exhaust cylinder, close to air inlet one end with refluxing opening.
5. the multiring aromatic hydrocarbon gas collection device of adjustable flow velocity as described in claim 1, it is characterised in that：The absorption is molten
Agent is acetonitrile solution.
6. the multiring aromatic hydrocarbon gas collection device of adjustable flow velocity as described in claim 1, it is characterised in that：The pumping
Pipe, gas tube, air inlet pipe are polyfluortetraethylene pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721792047.1U CN207556933U (en) | 2017-12-20 | 2017-12-20 | A kind of multiring aromatic hydrocarbon gas collection device of adjustable flow velocity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721792047.1U CN207556933U (en) | 2017-12-20 | 2017-12-20 | A kind of multiring aromatic hydrocarbon gas collection device of adjustable flow velocity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207556933U true CN207556933U (en) | 2018-06-29 |
Family
ID=62663803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721792047.1U Expired - Fee Related CN207556933U (en) | 2017-12-20 | 2017-12-20 | A kind of multiring aromatic hydrocarbon gas collection device of adjustable flow velocity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207556933U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109520802A (en) * | 2018-12-19 | 2019-03-26 | 廖建萌 | A kind of gas phase circulation extracting apparatus |
| CN110346188A (en) * | 2019-08-02 | 2019-10-18 | 长江存储科技有限责任公司 | Gas pollutant sampler for integrated circuit |
| CN110954532A (en) * | 2019-11-28 | 2020-04-03 | 吉林大学 | Soil nutrient detection device based on visual smell sense |
-
2017
- 2017-12-20 CN CN201721792047.1U patent/CN207556933U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109520802A (en) * | 2018-12-19 | 2019-03-26 | 廖建萌 | A kind of gas phase circulation extracting apparatus |
| CN110346188A (en) * | 2019-08-02 | 2019-10-18 | 长江存储科技有限责任公司 | Gas pollutant sampler for integrated circuit |
| CN110954532A (en) * | 2019-11-28 | 2020-04-03 | 吉林大学 | Soil nutrient detection device based on visual smell sense |
| CN110954532B (en) * | 2019-11-28 | 2021-07-02 | 吉林大学 | Soil nutrient detection device based on visual smell sense |
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Legal Events
| 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: 20180629 Termination date: 20191220 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |