CN108398299B - Greenhouse gas collection device - Google Patents
Greenhouse gas collection device Download PDFInfo
- Publication number
- CN108398299B CN108398299B CN201810293427.3A CN201810293427A CN108398299B CN 108398299 B CN108398299 B CN 108398299B CN 201810293427 A CN201810293427 A CN 201810293427A CN 108398299 B CN108398299 B CN 108398299B
- Authority
- CN
- China
- Prior art keywords
- collecting pipe
- bottom ring
- air
- arc
- soil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000005431 greenhouse gas Substances 0.000 title claims abstract description 35
- 238000007789 sealing Methods 0.000 claims abstract description 47
- 239000002689 soil Substances 0.000 claims description 42
- 238000005070 sampling Methods 0.000 claims description 21
- 239000007789 gas Substances 0.000 claims description 15
- 239000010687 lubricating oil Substances 0.000 claims description 9
- 238000000605 extraction Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 4
- 239000007788 liquid Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000005259 measurement Methods 0.000 description 4
- 239000004033 plastic Substances 0.000 description 3
- 239000002680 soil gas Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical compound [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 235000014121 butter Nutrition 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000001272 nitrous oxide Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2294—Sampling soil gases or the like
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/24—Suction devices
-
- 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
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Soil Sciences (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The application discloses a greenhouse gas collection device, which comprises: the upper half of the bottom ring is of a cylindrical structure, the lower half of the bottom ring is of a plurality of supporting pieces, each supporting piece comprises an arc-shaped plate and a flat plate, the upper end of each arc-shaped plate is connected to the bottom of the corresponding upper half, the lower end of each arc-shaped plate is gradually reduced to form a tip, and the side edges of the flat plates are vertically fixed on the arc backs of the corresponding arc-shaped plates; the collector comprises a collecting pipe, a sealing plate and an air pipe, wherein a cavity for containing air is formed in the collecting pipe, the lower end of the collecting pipe is detachably sleeved on the top of the bottom ring, a rubber layer is arranged on the inner wall of the collecting pipe corresponding to the joint part, the sealing plate covers and seals the upper end of the collecting pipe, and one end of the air pipe is communicated to the cavity through the sealing plate; and the sealing sleeve is sleeved outside the joint part of the collecting pipe and the bottom ring, and a first air bag and a second air bag are arranged on the inner wall of the sealing sleeve.
Description
Technical Field
The application relates to the technical field of soil gas monitoring, in particular to a greenhouse gas collection device for soil.
Background
Greenhouse gases in the soil mainly include nitrous oxide, methane and carbon dioxide, while the static box method is a common method of sampling greenhouse gases. The patent with the application number of 201720665694X discloses a soil house type gas collection device, which is characterized in that a PVC pipe is inserted into soil, a cover is sleeved at the top end of the PVC pipe for sealing, and a needle tube or a suction tube is inserted into the PVC pipe for sucking when greenhouse gases are required to be collected, so that the collection of the greenhouse gases is completed. This solution has the following drawbacks: firstly, the structure and the property of the soil can be changed when the PVC pipe is inserted into the soil, the greenhouse gas flux of the original soil can be influenced, and the measurement result is deviated; secondly, the PVC pipe is not firm and stable enough to be inserted into the soil alone, and when the cover is screwed or the greenhouse is collected, the PVC pipe is easy to incline to squeeze the soil, so that the structure of the soil is changed, and the deviation of a measurement result is also caused; in addition, the screw of lid and PVC pipe department sets up the water seal, because and evaporation lead to water to not stay in screw department for a long time and form effective seal, consequently the gas tightness still can not obtain effectual guarantee, simultaneously, moisture enters into the inside humidity of change of PVC pipe along the pipe wall surface or evaporation, produces the influence to measuring result.
Therefore, there is a need to design a greenhouse gas collection device that can solve the above-described problems.
Disclosure of Invention
It is an object of the present application to address at least the above-mentioned drawbacks and to provide at least the advantages to be described later.
To achieve these objects and other advantages and in accordance with the purpose of the application, there is provided a greenhouse gas collection apparatus including:
the bottom ring is used for being driven into soil, the upper half of the bottom ring is of a cylindrical structure, the lower half of the bottom ring is of a plurality of supporting pieces, the supporting pieces are annularly arranged along the bottom of the upper half at equal intervals, each supporting piece comprises an arc-shaped plate and a flat plate, the radian of each arc-shaped plate is consistent with that of the side wall of the upper half, the upper end of each arc-shaped plate is connected to the bottom of the corresponding upper half, the lower end of each arc-shaped plate is gradually reduced to form a tip, and the side edges of the flat plate are vertically fixed on the arc backs of the corresponding arc-shaped plates; the traditional method is to directly insert the PVC pipe into the soil, the pipe wall not only damages the structure of the original soil, but also blocks the gas circulation among the soil, thereby influencing the greenhouse gas circulation of the soil and causing inaccuracy of the measurement result. The bottom ring is arranged into the structure with the upper half and the lower half being different, the upper half is the cylinder, the lower half is the supporting piece, the supporting piece is small in size, the influence on the soil structure and the soil gas circulation is small, meanwhile, the stability of the structure can be ensured, and the upper half of the cylinder can avoid the gas on the upper layer of the soil from leaking. Simultaneously, the structural arrangement of the supporting piece can reduce the resistance when the supporting piece is inserted into the soil, the contact area between the supporting piece and the soil is larger, and the bottom ring is not easy to incline.
The collector comprises a collecting pipe, a sealing plate and an air pipe, wherein a cavity for containing air is formed in the collecting pipe, the lower end of the collecting pipe is detachably sleeved on the top of the upper half of the bottom ring and is sleeved outside the bottom ring, a gap of 0.5-1.5 mm is formed at the joint part of the collecting pipe and the bottom ring, a rubber layer with the thickness of 0.4-1.4 mm is arranged on the inner wall of the collecting pipe corresponding to the joint part, the sealing plate covers and seals the upper end of the collecting pipe, one end of the air pipe is communicated to the cavity through the sealing plate, and the other end of the air pipe extends out of the collecting pipe to form an extraction opening; in order to avoid leakage of greenhouse gases, water seals are conventionally used, but the water seals evaporate over time to reduce the sealing effect, or water flows into the cavity of the collected gas along the pipe wall to affect the final measurement result. According to the application, the gap is arranged at the joint part of the collecting pipe and the bottom ring, so that the collecting pipe and the bottom ring are conveniently sleeved with each other, and the rubber layer is arranged at the joint part, so that when the diameter of the collecting pipe is contracted due to extrusion outside the collecting pipe, the rubber layer is extruded on the bottom ring, and the tightness is improved, and the collecting pipe can be made of plastic, so that the collecting pipe has certain contraction performance. Meanwhile, the collecting pipe is sleeved on the outer wall of the bottom ring, so that even if sealing liquid at the joint part of the collecting pipe and the bottom ring flows out, the sealing liquid flows down along the outer wall of the bottom ring and cannot enter the bottom ring to influence the composition of gas. If the collecting pipe is sleeved in the bottom ring as in the conventional method, the sealing liquid flows down along the inner wall of the bottom ring under the action of gravity, and finally enters the bottom ring to affect soil gas.
The sealing sleeve is sleeved outside the joint part of the collecting pipe and the bottom ring, the inner diameter of the sealing sleeve is larger than the outer diameter of the collecting pipe by 5-7 mm, a first groove and a second groove which are annularly arranged are formed in the inner wall of the sealing sleeve, a first air bag and a second air bag are respectively arranged in the first groove and the second groove, the first air bag and the second air bag are annularly arranged along the first groove and the second groove respectively, air nozzles are respectively arranged on the first air bag and the second air bag, and the air nozzles penetrate out of the inner wall of the sealing sleeve. After the sealing sleeve is sleeved on the joint part, air is introduced into the air bag through the air tap, the air bag expands to inwards extrude and shrink the collecting pipe, and after the collecting pipe is extruded, the inner rubber layer is tightly pressed and sealed on the bottom ring, so that the sealing effect is achieved. The balloon itself is made of rubber, and has a certain tightness besides being capable of expanding and extruding the collecting tube.
Preferably, in the greenhouse gas collection apparatus, the bottom ring has a length of 10 cm, wherein the upper half is 5 cm long and the lower half is 5 cm long. The lower half is just inserted into the soil, and the upper half is positioned above the soil or slightly submerged into the soil to avoid air leakage.
Preferably, the greenhouse gas collection device further comprises a bracket, wherein the bracket comprises: the circular ring is sleeved at the middle part of the bottom ring; at least 3 support bars, one end of which is fixed on the circular ring, and the other end of which extends downwards in an inclined way so as to be inserted into the soil, wherein the support bars are arranged at equal intervals. In order to avoid the inclination of the bottom ring under the stress, the bottom ring is hooped by a circular ring, and meanwhile, the supporting bars are arranged to radiate outwards and are inserted into the soil to form a more stable structure.
Preferably, in the greenhouse gas collecting apparatus, the diameter of the collecting pipe is 25 cm, and the height is 30 cm. The volume is small, and the carrying is easier.
Preferably, in the greenhouse gas collecting device, a small fan is further arranged in the collecting pipe, and the diameter of the small fan is 8 cm. The small fan can be used in the sampling process, and can be used for uniformly mixing the gas in the collecting pipe.
Preferably, in the greenhouse gas collecting device, an air valve is further arranged on the air pipe. May be turned off when no sampling is taking place.
Preferably, in the greenhouse gas collecting device, a lubricating oil layer is further arranged on the rubber layer. The lubricating oil such as butter has small volatility, good sealing property and good lubricating property, so that the collecting pipe is more easily sleeved in the bottom ring, and liquid is prevented from volatilizing into the collecting pipe.
Preferably, the greenhouse gas collecting device further comprises a syringe and a sampling bag, wherein the syringe is provided with a suction port and an outlet, the suction port and the outlet are arranged at the same end of the syringe, the suction port is connected to the extraction port, the outlet is connected to the sampling bag, a one-way valve is arranged on the suction port to enable one-way suction of gas, and a one-way valve is also arranged on the outlet to enable one-way discharge of gas. The application improves the needle cylinder, sets a suction port and an outlet, and sets a one-way valve on the suction port and the outlet, thus the needle tube can be continuously used for sucking, the gas in the collecting tube is extracted and is discharged into the sampling bag, the workload is reduced, and the gas leakage is avoided.
The application at least comprises the following beneficial effects:
the bottom ring is arranged in the greenhouse gas collecting device and is buried into soil in advance for permanent placement, so that the influence of the bottom ring on the greenhouse gas flux of the soil is reduced, meanwhile, the bottom ring is arranged into different structures of an upper half section and a lower half section, the change of the bottom ring on the original soil is reduced, and meanwhile, air leakage is avoided.
According to the application, the rubber layer and the lubricating oil layer are arranged at the joint of the bottom ring and the collecting pipe for sealing, and the rubber layer is tightly attached to the bottom ring, so that the tightness is improved, and air leakage is avoided.
According to the application, the sealing sleeve is additionally arranged outside the joint part of the bottom ring and the collecting pipe, the annular air bag is arranged in the sealing sleeve, and the collecting pipe is extruded when the air bag is inflated, so that the caliber of the collecting pipe is reduced, the rubber layer is pressed to be tightly attached to the bottom ring, and the sealing performance is improved.
Additional advantages, objects, and features of the application will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the application.
Drawings
FIG. 1 is a schematic view of the components of a greenhouse gas collection device according to the present application with the components broken away;
FIG. 2 is a schematic view of the components of the greenhouse gas collection apparatus of the present application;
FIG. 3 is a schematic view of the structure of the bracket according to the present application;
FIG. 4 is a schematic view of a support member according to the present application;
fig. 5 is a schematic view of the structure of the syringe according to the present application.
Detailed Description
The present application is described in further detail below with reference to the drawings to enable those skilled in the art to practice the application by referring to the description.
As shown in fig. 1, 2, 3, 4 and 5, a greenhouse gas collection apparatus comprising:
the bottom ring 1 for being driven into the soil, particularly as shown in fig. 1, is provided with a cylindrical structure in an upper half 2 and a plurality of supporting members 3 in a lower half, wherein the supporting members 3 are annularly arranged at equal intervals along the bottom of the upper half 2, and the plurality of supporting members 3 are surrounded into an annular structure because the upper half is cylindrical. As shown in fig. 4, the supporting member 3 includes an arc 13 and a flat plate 14, where the arc 13 is consistent with the arc of the side wall of the upper half section so as to be just jointed and fixed with the side wall, the jointing mode includes welding or bonding, the upper end of the arc 13 is fixedly connected to the bottom of the upper half section, the lower end of the arc 13 is gradually reduced to form a tip so as to be convenient for being inserted into soil, and the side edge of the flat plate 14 is vertically fixed on the arc back of the arc, so that the purpose of the design is that the arc contacts with the soil on multiple sides of the flat plate, the combination force of the supporting member and the soil is relatively increased, and the bottom ring is ensured not to incline.
The collector comprises a collecting pipe 4, a sealing plate 5 and an air pipe 6, wherein a cavity for containing air is formed in the collecting pipe 4, the air from the soil can enter the cavity to be sampled, the lower end of the collecting pipe 4 is detachably sleeved on the top of the upper half 2 of the bottom ring and is sleeved outside the bottom ring, and therefore even if lubricating oil at the joint part of the bottom ring and the collecting pipe flows downwards along the outer wall of the bottom ring, the air cannot enter the cavity to pollute the air, and if the lubricating oil is an inner sleeve, the lubricating oil can possibly flow into the cavity. The joint of the collecting pipe 4 and the bottom ring 1 is provided with a gap of 0.5-1.5 mm, the gap is favorable for mutual sleeving and oil sealing, the inner wall of the collecting pipe corresponding to the joint is provided with a rubber layer with the thickness of 0.4-1.4 mm, in general, the distance between the rubber layer and the outer wall of the bottom ring is at least 0.1 mm so as to ensure that the collecting pipe can be sleeved outside the bottom ring, the upper end of the collecting pipe 4 is sealed by a sealing plate 5 in a covering way, preferably, the sealing plate is sealed in an adhesion way so as to avoid air leakage, one end of the air pipe 6 is communicated to the cavity through the sealing plate, and the other end of the air pipe extends out of the collecting pipe to form an extraction opening, so that sampling is facilitated. In order to shrink the collecting pipe under the action of external force, the collecting pipe can be made of plastic, and the plastic has certain elasticity and can deform under the condition of being pressed, and meanwhile, the collecting pipe cannot be broken.
The sealing sleeve 7 is sleeved on the outside of the joint part of the collecting pipe 4 and the bottom ring and is used for generating binding force to enable the collecting pipe to shrink, the inner diameter of the sealing sleeve 7 is larger than the outer diameter of the collecting pipe by 5-7 mm so as to be sleeved into the collecting pipe better, the inner wall of the sealing sleeve 7 is provided with a first groove and a second groove which are annularly arranged, a first air bag 8 and a second air bag 9 are respectively arranged in the first groove and the second groove, the first air bag 8 and the second air bag 9 are respectively annularly arranged along the first groove and the second groove so that the collecting pipe can be hooped when the air bags are inflated and expanded, air nozzles are respectively arranged on the first air bag 8 and the second air bag 9 and penetrate out of the inner wall of the sealing sleeve so as to be convenient for inflating and deflating, and the air nozzles of the air nozzles and the tires are consistent in structure and can be deflated through the inflator. After the sealing sleeve 7 is sleeved on the joint part, air is introduced into the air bag through the air tap, the air bag expands to inwards extrude and shrink the collecting pipe 4, and after the collecting pipe is extruded, the inner rubber layer is tightly pressed and sealed on the bottom ring 1, so that the sealing effect is achieved. The air bag is made of rubber, can expand and squeeze the collecting pipe, and has certain tightness.
Further, the length of the bottom ring 1 is 10 cm, wherein the upper half is 5 cm long and the lower half is 5 cm long. The lower half is thus inserted into the soil and the upper half is located above the soil or slightly submerged in the soil to avoid air leakage.
Further, as shown in fig. 3, the greenhouse gas collecting apparatus further includes a stand 10, which includes: the circular ring 11 is sleeved at the middle part of the bottom ring 1; at least 3 support bars 12, one end of which is fixed to the circular ring 11 and the other end of which extends obliquely downward to be inserted into soil, the support bars 12 being disposed at equal intervals.
Further, the diameter of the collecting pipe 4 is 25 cm and the height is 30 cm.
Further, a small fan is arranged in the collecting pipe, and the diameter of the small fan is 8 cm.
Further, an air valve is further arranged on the air pipe and can be closed when sampling is not performed.
Further, a lubricating oil layer is further arranged on the rubber layer. The lubricating oil such as butter has small volatility, good sealing property and good lubricating property, so that the collecting pipe is more easily sleeved in the bottom ring, and liquid is prevented from volatilizing into the collecting pipe.
Further, as shown in fig. 5, the greenhouse gas collecting apparatus further comprises a cylinder 15 and a sampling bag, the cylinder 15 has an outlet 17 in addition to a suction port 16, the suction port 16 and the outlet 17 are provided at the same end of the cylinder 15, the suction port 16 is connected to the suction port, the outlet 17 is connected to the sampling bag, a one-way valve 18 is provided on the suction port to allow one-way suction of gas, and a one-way valve 18 is also provided on the outlet to allow one-way discharge of gas.
The implementation process of the application is as follows: firstly, the support is hooped on the bottom ring, then the support and the bottom ring are inserted into soil together, then the collector is connected, the collector is sealed by the sealing sleeve, the suction port of the needle cylinder is connected to the extraction opening during sampling, the sampling bag is connected to the needle cylinder, and the greenhouse gas can be discharged into the sampling bag by driving the needle cylinder to suck, so that the sampling is completed. During sampling, the air in the collecting pipe can be stirred by a fan.
Although embodiments of the application have been disclosed above, they are not limited to the use listed in the specification and embodiments. It can be applied to various fields suitable for the present application. Additional modifications will readily occur to those skilled in the art. Therefore, the application is not to be limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.
Claims (6)
1. A greenhouse gas collection device, comprising:
the bottom ring is used for being driven into soil, the upper half of the bottom ring is of a cylindrical structure, the lower half of the bottom ring is of a plurality of supporting pieces, the supporting pieces are arranged at equal intervals along the bottom of the upper half, each supporting piece comprises an arc-shaped plate and a flat plate, the radian of each arc-shaped plate is consistent with that of the side wall of the upper half, the upper end of each arc-shaped plate is connected to the bottom of the corresponding upper half, the lower end of each arc-shaped plate is gradually reduced to form a tip, and the side edges of the flat plate are vertically fixed on the arc backs of the corresponding arc-shaped plates;
the collector comprises a collecting pipe, a sealing plate and an air pipe, wherein a cavity for containing air is formed in the collecting pipe, the lower end of the collecting pipe is detachably sleeved on the top of the upper half of the bottom ring and is sleeved outside the bottom ring, a gap of 0.5-1.5 mm is formed at the joint part of the collecting pipe and the bottom ring, a rubber layer with the thickness of 0.4-1.4 mm is arranged on the inner wall of the collecting pipe corresponding to the joint part, the sealing plate covers and seals the upper end of the collecting pipe, one end of the air pipe is communicated to the cavity through the sealing plate, and the other end of the air pipe extends out of the collecting pipe to form an extraction opening; and
the inner diameter of the sealing sleeve is 5-7 mm larger than the outer diameter of the collecting pipe, a first groove and a second groove which are annularly arranged are formed in the inner wall of the sealing sleeve, a first air bag and a second air bag are respectively arranged in the first groove and the second groove, the first air bag and the second air bag are annularly arranged along the first groove and the second groove respectively, air nozzles are respectively arranged on the first air bag and the second air bag, and the air nozzles penetrate out of the inner wall of the sealing sleeve; after the sealing sleeve is sleeved on the joint part, air is introduced into the air bag through the air tap, the air bag expands to inwards extrude and shrink the collecting pipe, and after the collecting pipe is extruded, the inner rubber layer is tightly pressed and sealed on the bottom ring, so that the sealing effect is achieved;
the length of the bottom ring is 10 cm, wherein the upper half length is 5 cm, and the lower half length is 5 cm; the lower half of the bottom ring is inserted into the soil, and the upper half is positioned above the soil;
still include the support, the support includes:
the circular ring is sleeved at the middle part of the bottom ring;
at least 3 support bars, one end of which is fixed on the circular ring, and the other end of which extends downwards in an inclined way so as to be inserted into the soil, wherein the support bars are arranged at equal intervals;
the bracket is hooped on the bottom ring, then the bracket and the bottom ring are inserted into soil together, then the collector is connected, the sealing sleeve is used for sealing, the suction port of the needle cylinder is used for connecting to the extraction opening during sampling, the sampling bag is connected to the needle cylinder, and the greenhouse gas can be discharged into the sampling bag by driving the needle cylinder to suck, so that the sampling is completed.
2. The greenhouse gas collection apparatus of claim 1, wherein the collection tube has a diameter of 25 cm and a height of 30 cm.
3. The greenhouse gas collection apparatus of claim 2, wherein a small fan is further disposed within the collection tube, the small fan having a diameter of 8 cm.
4. The greenhouse gas collection apparatus of claim 1, wherein the air tube is further provided with an air valve.
5. The greenhouse gas collection apparatus of claim 1, wherein the rubber layer is further provided with a layer of lubricating oil.
6. The greenhouse gas collection apparatus of claim 1, further comprising a syringe and a sampling bag, the syringe having an outlet in addition to a mouthpiece, the mouthpiece and the outlet being disposed at the same end of the syringe, the mouthpiece being connected to the extraction port, the outlet being connected to the sampling bag, the mouthpiece being provided with a one-way valve for unidirectional inhalation of gas, the outlet also being provided with a one-way valve for unidirectional evacuation of gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810293427.3A CN108398299B (en) | 2018-03-30 | 2018-03-30 | Greenhouse gas collection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810293427.3A CN108398299B (en) | 2018-03-30 | 2018-03-30 | Greenhouse gas collection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108398299A CN108398299A (en) | 2018-08-14 |
| CN108398299B true CN108398299B (en) | 2023-12-08 |
Family
ID=63099598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810293427.3A Active CN108398299B (en) | 2018-03-30 | 2018-03-30 | Greenhouse gas collection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108398299B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110286005B (en) * | 2019-07-29 | 2020-03-10 | 山东工业职业学院 | Gas sample collecting device for detection |
| CN110907238A (en) * | 2019-12-10 | 2020-03-24 | 杭州电子科技大学 | Layered collection method and device for soil gas |
| CN112903378B (en) * | 2021-05-08 | 2021-08-13 | 中国农业科学院农业环境与可持续发展研究所 | Gas trapping device for soil |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101812841A (en) * | 2010-02-10 | 2010-08-25 | 郭振国 | Conduit for pile casting of pile foundation engineering |
| CN103267659A (en) * | 2013-05-31 | 2013-08-28 | 中国科学院地理科学与资源研究所 | Collection device of greenhouse gases at different depths of soil section |
| CN105699134A (en) * | 2016-04-12 | 2016-06-22 | 山东省农业科学院农业资源与环境研究所 | Farmland greenhouse gas collecting device sealed by bidirectional silica gel rings and application of farmland greenhouse gas collecting device |
| CN206020124U (en) * | 2016-08-12 | 2017-03-15 | 中国科学院西北高原生物研究所 | A kind of Alpine Grasslands collection device of greenhouse |
| CN208171687U (en) * | 2018-03-30 | 2018-11-30 | 中国林业科学研究院热带林业实验中心 | Greenhouse gases collection device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101798601B1 (en) * | 2016-09-12 | 2017-11-16 | 연세대학교 산학협력단 | Portable bio-aerosol collector and bio-aerosol analyzing method |
-
2018
- 2018-03-30 CN CN201810293427.3A patent/CN108398299B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101812841A (en) * | 2010-02-10 | 2010-08-25 | 郭振国 | Conduit for pile casting of pile foundation engineering |
| CN103267659A (en) * | 2013-05-31 | 2013-08-28 | 中国科学院地理科学与资源研究所 | Collection device of greenhouse gases at different depths of soil section |
| CN105699134A (en) * | 2016-04-12 | 2016-06-22 | 山东省农业科学院农业资源与环境研究所 | Farmland greenhouse gas collecting device sealed by bidirectional silica gel rings and application of farmland greenhouse gas collecting device |
| CN206020124U (en) * | 2016-08-12 | 2017-03-15 | 中国科学院西北高原生物研究所 | A kind of Alpine Grasslands collection device of greenhouse |
| CN208171687U (en) * | 2018-03-30 | 2018-11-30 | 中国林业科学研究院热带林业实验中心 | Greenhouse gases collection device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108398299A (en) | 2018-08-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108398299B (en) | Greenhouse gas collection device | |
| JP5170808B2 (en) | Method and apparatus for bringing powder component and liquid component, preferably polymer and monomer into contact with each other and mixing, preferably forming bone cement | |
| CN213748941U (en) | Rubber glove leakage-proof testing device | |
| CN207318158U (en) | Soil liquid sampler | |
| CN111256915A (en) | Processing system after rubber hose shaping | |
| CN112610759B (en) | Sealing ring and connecting piece for pipeline reducing connection and use method | |
| CN206635329U (en) | A kind of cell filter for centrifuging tubular type | |
| CN103720436B (en) | Portable liquid suction device | |
| CN111256916A (en) | Flame-retardant rubber hose forming post-treatment method | |
| CN107655719A (en) | A kind of underground water pollution monitoring sampling apparatus | |
| CN208171687U (en) | Greenhouse gases collection device | |
| CN208254891U (en) | A kind of portable airbag sampling apparatus | |
| CN206503732U (en) | Sewage/waste electrical submersible pump | |
| CN2853663Y (en) | Disposable water storage bag for water dispenser | |
| CN211450374U (en) | Pressure pipeline airtightness detection device | |
| CN210285202U (en) | Sealed soft bag for filtering micro-toxic harmful polluted liquid | |
| CN109100090A (en) | Filter end part seal rapid detection method | |
| CN106989872B (en) | Black plastic leakage detection device of filter | |
| CN217084314U (en) | Water quality testing sampling device | |
| CN110237318B (en) | Medical negative pressure extraction liquid collection container opening plugging plug | |
| CN213526937U (en) | Household oxygenerator capable of detecting oxyhemoglobin saturation | |
| CN205633648U (en) | Vacuum seal bag | |
| CN207141872U (en) | Disposable band water suction sputum bowl | |
| CN205863789U (en) | A kind of line box pre-penetrating device of lead-in wire | |
| CN219462107U (en) | Enema purger |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |