CN207423609U - Soil gas detection device - Google Patents
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- CN207423609U CN207423609U CN201721540207.3U CN201721540207U CN207423609U CN 207423609 U CN207423609 U CN 207423609U CN 201721540207 U CN201721540207 U CN 201721540207U CN 207423609 U CN207423609 U CN 207423609U
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Abstract
Soil gas detection device provided by the utility model, is related to soil detection technology field.It is related to a kind of soil gas detection device, including gas-guide tube, the first gas channel is equipped in gas-guide tube；One end of first gas channel is equipped with low level gas collecting mouth, and the other end of the first gas channel is set there are two interface, and two interfaces are connected respectively with gas collection case, gas detecting instrument.Another soil gas detection device is further related to, including gas-guide tube, the first gas channel and the second gas channel are equipped in gas-guide tube；One end of first gas channel is equipped with low level gas collecting mouth, and one end of the second gas channel is equipped with high-order gas collecting mouth, and low level gas collecting mouth is located at the lower section of high-order gas collecting mouth.The soil gas detection device is respectively provided with the technique effect for improving soil gas detection accuracy.
Description
Technical field
The utility model is related to soil detection technology field, more particularly, to a kind of soil gas detection device.
Background technology
Soil gas is one of soil important composition ingredient, and soil gas also has few portion substantially by air
Divide and result from Biochemical processes in soil, be of great importance for plant growth and Zinc fractions.Soil gas is examined
The aeration that can be appreciated that soil is surveyed, can also reflect soil by the situation of some contaminants indirectly.
At present, by the measurement to soil indices, so as to obtain the pollution condition of soil, soil gas sample is gathered
It is most important means.Existing soil gas collecting device is deeply or when extract soil there are a small amount of soil to enter
Situation inside sampler results in blockage impure net with gas, affects the accuracy of testing result.
Therefore, a kind of gas sampling that can completely cut off tested point position soil gas and gas in air well how is founded
Device, and then avoid the gas content in air that from may being had an impact to soil gas detected value, testing result is improved as far as possible
Accuracy, becoming current industry pole needs improved target.
Utility model content
The first of the utility model is designed to provide a kind of soil gas detection device, to solve to exist in the prior art
Soil gas collect during may be mingled with gas in air, soil gas detected value is had an impact, detection is caused to be tied
The technical issues of fruit is inaccurate.
Soil gas detection device provided by the utility model, including：Sampler, the sampler include air guide
Pipe, interior the first gas channel for being equipped with to turn on soil gas of the gas-guide tube.
One end of first gas channel is equipped with low level gas collecting mouth, and the other end of first gas channel is equipped with
Two interfaces, one of interface are connected by the first valve with gas collection case, another interface by the second valve with
Gas detecting instrument is connected.
Further, it is equipped with to absorb the dry of vapor in soil gas between second valve and gas detecting instrument
Dry device.
Further, it is equipped with to filter granule foreign in soil gas between second valve and gas detecting instrument
Filter device.
Further, the low level gas collecting mouth is the multiple through holes being arranged on the gas-guide tube, each through hole
It is connected with first gas channel.
Each through hole is uniformly distributed along the circumferential direction of the gas-guide tube.
Further, the low level gas collecting mouth is the annular opening being circumferentially with along the gas-guide tube.
Further, the sampler further includes to be inserted into the drill bit of soil, and the drill bit is " back taper " structure,
The drill bit is fixed on the gas-guide tube.
The advantageous effect of soil gas detection device provided by the utility model：
During using the soil gas detection device, wherein, low level gas collecting mouth is used to collect the gas in soil, and leads to
The first gas channel is crossed to be conveyed, it is reserved due to existing in the first gas channel during initially soil gas is collected
Air and exist may by low level gas collecting mouth enter air (be known as：Foreign gas), it will be received together with from soil
The soil gas of collection is conveyed together by the first gas channel, and is delivered at gas detecting instrument and is detected.
Foreign gas is mixed with since initial stage is delivered in the soil gas of gas detecting instrument, thus to the result of soil gas
It can have a certain impact, in the soil gas detection device, two interfaces are set by the one end in the first gas channel,
One of interface is connected by the first valve with gas collection case, another interface passes through the second valve and gas detecting instrument
It is connected, is using initial stage, i.e.,：When collecting the soil gas of early period, the first valve is opened, while the second valve is closed,
So that the mixed gas that initial stage collects is sent through the first gas channel to gas collection case, after a period of time is collected, by first
Valve is closed, while the second valve is opened, at this point, since foreign gas has been transported to gas collection case, and the first gas
Gas in circulation road is substantially soil gas, and soil gas is transported to gas detecting instrument and is detected, so as to improve
The accuracy of testing result.
The soil gas detection device can carry out soil gas collection, detection anywhere or anytime, and scenario-frame is simple, makes
With conveniently, efficiency is higher, and of low cost.
The second of the utility model is designed to provide a kind of soil gas detection device, to solve to exist in the prior art
Soil gas collect during, primary sample can only collect the soil gas content of a certain depth point position, it is less efficient and
The technical issues of testing result is inaccurate.
Soil gas detection device provided by the utility model, including sampler, the sampler includes gas-guide tube,
Equipped with for turning on multiple gas channels of soil gas in the gas-guide tube, each gas channel does not connect mutually.
Gas collecting mouth is equipped on each gas channel, and each gas collecting mouth is arranged in order from the bottom to top.
Further, multiple gas channels include the first gas channel and the second gas channel, first air-flow
Passage does not connect mutually with second gas channel.
One end of first gas channel is equipped with low level gas collecting mouth, and one end of second gas channel is equipped with height
Position gas collecting mouth, the low level gas collecting mouth are located at the lower section of the high-order gas collecting mouth.
Further, branch line is communicated on the gas-guide tube, the branch line is equipped with the high-order gas and adopts
Ji Kou.
Further, the other end of first gas channel is set there are two interface, and one of interface passes through the first valve
Door is connected with gas collection case, another interface is connected by the second valve with gas detecting instrument.
The other end of second gas channel is set there are two interface, and one of interface is received by the first valve and gas
Header is connected, another interface is connected by the second valve with gas detecting instrument.
The advantageous effect of soil gas detection device provided by the utility model：
In the soil gas detection device, equipped with multiple gas collecting mouths being arranged in order from the bottom to top, pass through setting
Gas collecting mouth collect soil different depth layer soil gas, be avoided as much as because of the SOIL GAS of soil different depth layer
Body content difference, the problem of influencing measurement result accuracy.The soil gas detection device can be obtained by once collecting
The gas testing result of multiple soil levels, data result accuracy greatly improves because obtained from, and practicability is stronger.
In addition, the soil gas detection device scenario-frame is simple, easy to use, efficiency is higher, and of low cost.
Description of the drawings
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution of the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it describes below
In attached drawing be the utility model some embodiments, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other attached drawings are can also be obtained according to these attached drawings.
Fig. 1 is the structure diagram for the soil gas detection device that the utility model embodiment one provides；
Fig. 2 is the partial enlarged view at A in Fig. 1；
Fig. 3 is another structure diagram for the soil gas detection device that the utility model embodiment one provides；
Fig. 4 is the structure diagram for the soil gas detection device that the utility model embodiment two provides.
Icon：100- samplers；The first valves of 200-；300- gas collection casees；The second valves of 400-；500- gases are examined
Survey instrument；600- drying devices；700- filter devices；110- gas-guide tubes；120- low level gas collecting mouths；130- high position gas collectings
Mouthful；140- drill bits；150- branch lines；The first gas channels of 111-；The second gas channels of 112-.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model part of the embodiment, instead of all the embodiments.Based on the embodiment in the utility model, sheet
Field those of ordinary skill all other embodiments obtained without making creative work, belong to this practicality
Novel protected scope.
, it is necessary to explanation in the description of the utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular
Directly ", the orientation of the instructions such as " level ", " interior ", " outer " or position relationship are based on orientation shown in the drawings or position relationship, are only
The utility model must have specific with the mechanism or element for simplifying description rather than instruction or hint meaning for ease of description
Orientation, with specific azimuth configuration and operation, therefore it is not intended that limitation to the utility model.In addition, term " the
One ", " second ", " the 3rd " are only used for description purpose, and it is not intended that instruction or hint relative importance.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in the description of the utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integrally
Connection；Can be mechanical connection or electrical connection；It can be directly connected, can also be indirectly connected by intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, can above-mentioned art be understood with concrete condition
Concrete meaning of the language in the utility model.
Embodiment one
As shown in Figures 1 to 4, a kind of soil gas detection device is present embodiments provided, including sampler 100, is taken
Sampling device 100 includes gas-guide tube 110, is equipped with to turn on the first gas channel 111 of soil gas in gas-guide tube 110；First
One end of gas channel 111 is equipped with low level gas collecting mouth 120, and the other end of the first gas channel 111 is set there are two interface,
In an interface be connected by the first valve 200 with gas collection case 300, another interface passes through the second valve 400 and gas
Body detector 500 is connected.
During using the soil gas detection device, low level gas collecting mouth 120 is used to collect the gas in soil, and passes through
First gas channel 111 is conveyed, during initially soil gas is collected, due to existing in the first gas channel 111
Reserved air and presence (may be known as by the air that low level gas collecting mouth 120 enters：Foreign gas), it will be together with from soil
The soil gas collected in earth is conveyed together by the first gas channel 111, and is delivered at gas detecting instrument 500 and is examined
It surveys.
Foreign gas is mixed with since initial stage is delivered in the soil gas of gas detecting instrument 500, thus to soil gas
As a result it can have a certain impact, in the soil gas detection device, two are set by the one end in the first gas channel 111
A interface, one of interface are connected by the first valve 200 with gas collection case 300, another interface passes through the second valve
Door 400 is connected with gas detecting instrument 500, is using initial stage, i.e.,：When collecting the soil gas of early period, the first valve 200 is beaten
It opens, while the second valve 400 is closed, so that the mixed gas that initial stage collects is sent through the first gas channel 111 to gas receipts
After a period of time is collected, the first valve 200 is closed, while the second valve 400 is opened for header 300, at this point, due to miscellaneous
Matter gas has been transported to gas collection case 300, and the gas in the first gas channel 111 is substantially soil gas, soil
Earth gas is transported to gas detecting instrument 500 and is detected, so as to improve the accuracy of testing result.
In addition, the soil gas detection device can carry out soil gas collection, detection, scenario-frame letter anywhere or anytime
Single, easy to use, efficiency is higher, and of low cost.
Above-mentioned gas collection case 300 can be polybag or the babinet of other opposing seals etc..
Above-mentioned gas collection case 300 can be not provided with, such as:It is opening herein.I.e.：First gas channel 111 passes through
First valve 200 is connected with ambient atmosphere, and mixed gas is discharged into air.
It should be noted that the shape of gas-guide tube 110 does not do any restrictions, cross-sectional shape can be it is circular, square,
Or triangle etc..
As shown in Fig. 2, it is equipped with to absorb vapor in soil gas between the second valve 400 and gas detecting instrument 500
Drying device 600.The middle vapor of the soil gas after collection is removed by drying device 600, inspection can be improved
Survey the accuracy of result.Wherein, drying device 600 can be activated carbon adsorption device or other can adsorb in soil gas
Other settings of vapor, details are not described herein.
Fig. 2 is continued referring to, the second valve 400 and gas detecting instrument 500 are equipped with miscellaneous for filtering particle in soil gas
The filter device 700 of matter.The middle dust particles of the soil gas after collection are removed by filter device 700, Neng Gouti
The accuracy of high detection result.Wherein, filter device 700 can be with filter screen or other can filter in soil gas
Other settings of dust particles, details are not described herein.
In the present embodiment, a kind of concrete structure of low level gas collecting mouth 120 is：Low level gas collecting mouth 120 is setting
Multiple through holes on gas-guide tube 110, and each through hole is connected with the first gas channel 111.Certainly, low level gas collecting mouth
120 structure type is not limited only to aforesaid way, as long as can realize that soil gas can smoothly enter the first gas channel 111
Scheme be included in.
Wherein, in order to ensure within the regular hour have soil gas as much as possible that can smoothly enter the first air-flow
Passage 111, each through hole are uniformly distributed along the circumferential direction of gas-guide tube 110, and keep certain interval, and the big I at the interval is according to need
It sets or adjusts.
Either, it is circumferentially with annular opening along gas-guide tube 110.The setting of the annular opening is certain to further improve
Enter the soil gas flow in the first gas channel 111 in time, shorten the time of detection, improve the efficiency of detection.
In the present embodiment, sampler 100 further includes to be inserted into the drill bit 140 of soil, wherein, drill bit 140 is " back taper
Shape " structure, drill bit 140 are fixed on gas-guide tube 110.The drill bit 140 of " back taper " structure is convenient for inserting the detection device
Enter in soil, in order to the collection of soil gas.
Specifically, drill bit 140 is threaded connection in gas-guide tube 110, dismounting, replacement in order to the two.
Wherein, the peripheral side of drill bit 140 can also be equipped with external thread structure, and external thread structure is designed with beneficial to drill bit 140
It is in close contact with soil, achievees the effect that completely cut off soil gas and air.
With continued reference to Fig. 1, the upper end of gas-guide tube 110 is equipped with rotation handle.
On the basis of above-described embodiment, the scheme of the present embodiment can there are many.
It is symmetrical arranged as shown in figure 3, the first end of the gas channel 111 away from drill bit 140 is equipped with compared with gas-guide tube 110
Structure, another set of detection can be used as spare use, either, use simultaneously, two sets detect results be referred to, compare
It is right.
On the basis of soil gas detection device shown in Fig. 3, one group of first valve 200 and gas collecting box can be set
300。
Embodiment two
As shown in figure 4, the present embodiment two also provides a kind of soil gas detection device, including：Sampler 100, takes
Sampling device 100 includes gas-guide tube 110, is equipped with to turn on multiple gas channels of soil gas in gas-guide tube 110, each air-flow leads to
Road does not connect mutually；Gas collecting mouth is equipped on each gas channel, and each gas collecting mouth is arranged in order from the bottom to top.
In the soil gas detection device, equipped with multiple gas collecting mouths being arranged in order from the bottom to top, pass through setting
Gas collecting mouth collect soil different depth layer soil gas, be avoided as much as because of the SOIL GAS of soil different depth layer
Body content difference, the problem of influencing measurement result accuracy.The soil gas detection device can be obtained by once collecting
The gas testing result of multiple soil levels, data result accuracy greatly improves because obtained from, and practicability is stronger.
In addition, the soil gas detection device scenario-frame is simple, easy to use, efficiency is higher, and of low cost.
In the present embodiment, multiple gas channels are arranged to two, including the first gas channel 111 and the second gas channel
112, the first gas channel 111 does not connect mutually with the second gas channel 112；One end of first gas channel 111 is equipped with low level gas
Body acquisition port 120, one end of the second gas channel 112 are equipped with high-order gas collecting mouth 130, and low level gas collecting mouth 120 is located at
The lower section of high-order gas collecting mouth 130.
Fig. 4 is continued referring to, branch line 150 is communicated on gas-guide tube 110, branch line 150 is equipped with high-order gas
Acquisition port 130.
Continue referring to Fig. 4, the other end of the first gas channel 111 is set there are two interface, and one of interface passes through the
One valve 200 is connected with gas collection case 300, another interface is connected by the second valve 400 with gas detecting instrument 500
It is logical；Wherein, the other end of the second gas channel 112 is set there are two interface, and one of interface passes through the first valve 200 and gas
Collecting box 300 is connected, another interface is connected by the second valve 400 with gas detecting instrument 500.
It should be noted that the parts in the present embodiment two involved by soil gas detection device and soil in embodiment one
The identical parts of title involved by earth gas detection apparatus, in structure, variation, connection relation, operation principle, beneficial effect
Fruit and the first-class all same of application method, details are not described herein.
Finally it should be noted that：Various embodiments above is only to illustrate the technical solution of the utility model rather than it is limited
System；Although the utility model is described in detail with reference to foregoing embodiments, those of ordinary skill in the art should
Understand：It can still modify to the technical solution recorded in foregoing embodiments either to which part or whole
Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is not made to depart from this practicality newly
The scope of each embodiment technical solution of type.
Claims (10)
1. a kind of soil gas detection device, which is characterized in that including：Sampler (100), sampler (100) bag
Gas-guide tube (110) is included, is equipped with to turn on the first gas channel (111) of soil gas in the gas-guide tube (110)；
One end of first gas channel (111) is equipped with low level gas collecting mouth (120), first gas channel (111)
The other end set there are two interface, one of interface is connected by the first valve (200) with gas collection case (300), separately
One interface is connected by the second valve (400) with gas detecting instrument (500).
2. soil gas detection device according to claim 1, which is characterized in that second valve (400) and gas
It is equipped with to absorb the drying device (600) of vapor in soil gas between detector (500).
3. soil gas detection device according to claim 1 or 2, which is characterized in that second valve (400) is gentle
It is equipped with to filter the filter device (700) of granule foreign in soil gas between body detector (500).
4. soil gas detection device according to claim 3, which is characterized in that the low level gas collecting mouth (120)
For the multiple through holes being arranged on the gas-guide tube (110), each through hole is connected with first gas channel (111)；
Each through hole is uniformly distributed along the circumferential direction of the gas-guide tube (110).
5. soil gas detection device according to claim 3, which is characterized in that the low level gas collecting mouth (120)
For along the annular opening being circumferentially with of the gas-guide tube (110).
6. according to claim 1-2,4-5 any one of them soil gas detection device, which is characterized in that the sampler
(100) further include to be inserted into the drill bit (140) of soil, the drill bit (140) is " back taper " structure, the drill bit (140)
It is fixed on the gas-guide tube (110).
7. a kind of soil gas detection device, which is characterized in that including：Sampler (100), sampler (100) bag
Gas-guide tube (110) is included, is equipped with to turn on multiple gas channels of soil gas, each air-flow in the gas-guide tube (110)
Passage does not connect mutually；
It is equipped with gas collecting mouth (120) on each gas channel, and each gas collecting mouth (120) is from the bottom to top successively
Arrangement.
8. soil gas detection device according to claim 7, which is characterized in that multiple gas channels include first
Gas channel (111) and the second gas channel (112), first gas channel (111) and second gas channel (112)
It does not connect mutually；
One end of first gas channel (111) is equipped with low level gas collecting mouth (120), second gas channel (112)
One end be equipped with high-order gas collecting mouth (130), the low level gas collecting mouth (120) is located at the high-order gas collecting mouth
(130) lower section.
9. soil gas detection device according to claim 8, which is characterized in that be communicated on the gas-guide tube (110)
Branch line (150), the branch line (150) are equipped with the high-order gas collecting mouth (130).
10. soil gas detection device according to claim 9, which is characterized in that first gas channel (111)
The other end is set there are two interface, and one of interface is connected by the first valve (200) with gas collection case (300), another
A interface is connected by the second valve (400) with gas detecting instrument (500)；
The other end of second gas channel (112) is set there are two interface, one of interface by the first valve (200) with
Gas collection case (300) is connected, another interface is connected by the second valve (400) with gas detecting instrument (500).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721540207.3U CN207423609U (en) | 2017-11-16 | 2017-11-16 | Soil gas detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721540207.3U CN207423609U (en) | 2017-11-16 | 2017-11-16 | Soil gas detection device |
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| Publication Number | Publication Date |
|---|---|
| CN207423609U true CN207423609U (en) | 2018-05-29 |
Family
ID=62305223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721540207.3U Active CN207423609U (en) | 2017-11-16 | 2017-11-16 | Soil gas detection device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108956217A (en) * | 2018-09-28 | 2018-12-07 | 四川省天晟源环保股份有限公司 | A kind of novel SOIL GAS collection and detection device |
| CN109916675A (en) * | 2019-04-18 | 2019-06-21 | 中国科学院寒区旱区环境与工程研究所 | A kind of soil aperture air contains laden water collecting device |
| RU198612U1 (en) * | 2020-04-23 | 2020-07-21 | Андрей Георгиевич Зуев | Device for sampling gas from cavities in the ground |
| CN112525591A (en) * | 2020-11-23 | 2021-03-19 | 佛山市高明区科企生产力促进中心 | Gas sampling device and rock stratum sample and gas sample corresponding method |
| CN115100821A (en) * | 2022-07-22 | 2022-09-23 | 国网新疆电力有限公司克州供电公司 | Device for monitoring operation environment in process of excavating foundation pit |
-
2017
- 2017-11-16 CN CN201721540207.3U patent/CN207423609U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108956217A (en) * | 2018-09-28 | 2018-12-07 | 四川省天晟源环保股份有限公司 | A kind of novel SOIL GAS collection and detection device |
| CN109916675A (en) * | 2019-04-18 | 2019-06-21 | 中国科学院寒区旱区环境与工程研究所 | A kind of soil aperture air contains laden water collecting device |
| RU198612U1 (en) * | 2020-04-23 | 2020-07-21 | Андрей Георгиевич Зуев | Device for sampling gas from cavities in the ground |
| CN112525591A (en) * | 2020-11-23 | 2021-03-19 | 佛山市高明区科企生产力促进中心 | Gas sampling device and rock stratum sample and gas sample corresponding method |
| CN115100821A (en) * | 2022-07-22 | 2022-09-23 | 国网新疆电力有限公司克州供电公司 | Device for monitoring operation environment in process of excavating foundation pit |
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Effective date of registration: 20210527 Address after: 300191 No. 17, rehabilitation Road, Tianjin, Nankai District Patentee after: Tianjin Academy of ecological and Environmental Sciences (Tianjin Academy of environmental planning, Tianjin low carbon development research center) Address before: No.17, Fukang Road, Nankai District, Tianjin Patentee before: TIANJIN ACADEMY OF ENVIRONMENTAL SCIENCES |