CN206546278U - A kind of soil respiration automated collection systems - Google Patents
A kind of soil respiration automated collection systems Download PDFInfo
- Publication number
- CN206546278U CN206546278U CN201720143057.6U CN201720143057U CN206546278U CN 206546278 U CN206546278 U CN 206546278U CN 201720143057 U CN201720143057 U CN 201720143057U CN 206546278 U CN206546278 U CN 206546278U
- Authority
- CN
- China
- Prior art keywords
- gas
- gas outlet
- soil
- vacuum pump
- air
- 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.)
- Expired - Fee Related
Links
- 238000004158 soil respiration Methods 0.000 title claims abstract description 19
- 239000002689 soil Substances 0.000 claims abstract description 33
- 238000005406 washing Methods 0.000 claims abstract description 16
- HUAUNKAZQWMVFY-UHFFFAOYSA-M sodium;oxocalcium;hydroxide Chemical compound [OH-].[Na+].[Ca]=O HUAUNKAZQWMVFY-UHFFFAOYSA-M 0.000 claims abstract description 5
- 238000005086 pumping Methods 0.000 claims abstract 4
- 238000010521 absorption reaction Methods 0.000 claims description 16
- 238000003860 storage Methods 0.000 claims description 13
- 238000007600 charging Methods 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 18
- 229910052799 carbon Inorganic materials 0.000 abstract description 18
- 230000037431 insertion Effects 0.000 abstract 1
- 238000003780 insertion Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 84
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 62
- 229910002092 carbon dioxide Inorganic materials 0.000 description 32
- 238000005070 sampling Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 239000005431 greenhouse gas Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 239000002680 soil gas Substances 0.000 description 4
- 230000007850 degeneration Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 238000010792 warming Methods 0.000 description 2
- 238000004587 chromatography analysis Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011545 laboratory measurement Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000029553 photosynthesis Effects 0.000 description 1
- 238000010672 photosynthesis Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 239000004016 soil organic matter Substances 0.000 description 1
- 238000002627 tracheal intubation Methods 0.000 description 1
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
本实用新型公开了一种土壤呼吸自动采集系统，包括抽气筒和操作柜，所述抽气筒顶部设置有进气口、侧面设置有出气口、底部为便于插入土壤的敞口，所述操作柜内设置有真空泵、气体采集袋以及装有碱石灰的洗气瓶，所述真空泵的进气口和出气口分别与洗气瓶的出气口和抽气筒的进气口联通；所述真空泵的进气口和出气口分别与抽气筒的出气口和气体采集袋联通，所述抽气筒的出气口与洗气瓶的进气口联通。本实用新型的采集系统能够根本去除大气中碳的干扰，并且能够避免土层受到严重的干扰，其测值能准确地代表原始土层的状态。
The utility model discloses an automatic collection system for soil respiration, which comprises an air pump and an operation cabinet. The top of the air pump is provided with an air inlet, the side is provided with an air outlet, and the bottom is an opening for easy insertion into the soil. The operation cabinet A vacuum pump, a gas collection bag, and a gas washing bottle equipped with soda lime are arranged inside, and the air inlet and the gas outlet of the vacuum pump are respectively connected with the gas outlet of the gas washing bottle and the air inlet of the pumping tube; the inlet of the vacuum pump The gas port and the gas outlet are respectively communicated with the gas outlet of the gas pump and the gas collection bag, and the gas outlet of the gas pump is connected with the gas inlet of the gas washing bottle. The acquisition system of the utility model can fundamentally remove the interference of carbon in the atmosphere, and can avoid serious interference of the soil layer, and its measured value can accurately represent the state of the original soil layer.
Description
Technical field
The invention belongs to soil gas collection field, and in particular to a kind of soil respiration automated collection systems.
Background technology
It is well known that being undisputable fact using climate warming as the change of the Earth climate system of principal character.In global gas
Wait under the background warmed, different degrees of degeneration is presented in Qinghai-xizang Plateau Region ever-frozen ground, Permafrost Area may be caused a large amount of
Soil organic matter decompose the (CO in the form of greenhouse gases2、CH4) enter air, positive feedback effect is played to climate change.It is many
The greenhouse gases of year permafrost region release are essentially from plant respiration and microorganism decomposition organic matter process.In global warming
Under background, vegetation global net ecosystem carbon exchange gradually strengthens, and temperature raises and to freeze to be stored in having for Permafrost Area
Machine carbon is easy to be decomposed by the microorganisms utilization, therefore Permafrost Area is likely to be converged by carbon and turns to carbon source.Therefore, for many years in recent years
The greenhouse gases of permafrost region soil release receive much concern, and are also one of the important content of climate change research.
Permafrost Degeneration is mainly reflected in temperature rise and thermokarst process, melts such as heat and corrodes and thaw slumping, and
Old carbon directly can be exposed in air by these processes, accelerate the decomposition of old carbon.Measuring method such as gas phase traditional at present
The methods such as chromatography, dynamic air chamber can direct measurement soil surface greenhouse gases rate of release, but release can not be analyzed
Carbon source.Due to14C experienced radiative decay, δ14C can be marked as time, to reflect feelings that old carbon is decomposed
Condition；δ13C then with photosynthesis, soil moisture and CO2Concentration is related, therefore the gas discharged by field acquisition different depth soil
Body, in lab analysis gas carbon isotope δ14C and δ13C features, it may be determined that new carbon and old carbon during Permafrost Degeneration
The contribution that greenhouse gases are discharged.
In recent years, most of research employs a variety of soil gas sampling modes, and such as earth's surface intubation takes gas, or digs in advance
Vertical shaft section is taken, then is placed into the mode in gas well to carry out gas sample by sample apparatus.But can not remove at all big
The interference of carbon in gas, and soil layer receives serious interference, and its measured value can not represent original soil layer state exactly.
The content of the invention
In view of this, it is an object of the invention to provide a kind of soil respiration automated collection systems, it is therefore intended that overcomes
There is the drawbacks described above of soil gas harvester, the destruction and disturbance to soil horizon can be reduced as far as possible.
To reach above-mentioned purpose, the present invention provides following technical scheme：
Air inlet is provided with the top of a kind of soil respiration automated collection systems, including pump bowl and operation cabinet, the pump bowl
Mouthful, be provided with gas outlet, bottom sideways for ease of inserting the opening of soil, the air inlet of the vavuum pump and gas outlet respectively with
The gas outlet of Drexel bottle and the air inlet UNICOM of pump bowl；In gas sampling system, the air inlet and outlet of the vavuum pump
Mouth gas outlet respectively with pump bowl and Storage Time in Gas Collecting Bag UNICOM, the gas outlet of the pump bowl and the air inlet of Drexel bottle join
It is logical.
Further, it is provided with the first electromagnetism on the pipeline of the gas outlet UNICOM of the air inlet of the vavuum pump and pump bowl
The second magnetic valve, the vavuum pump are provided with the pipeline of valve, the air inlet of the vavuum pump and the gas outlet UNICOM of Drexel bottle
Gas outlet and pump bowl air inlet UNICOM pipeline on be provided with the 3rd magnetic valve, the gas outlet of the vavuum pump and gas
The 4th magnetic valve, the gas outlet of the pump bowl and the air inlet of Drexel bottle are provided with the pipeline of the air inlet UNICOM of collection bag
The 5th magnetic valve is provided with the pipeline of UNICOM.
Further, solar electric power supply system is additionally provided with the operation cabinet, the solar electric power supply system includes setting
Solar panel and the charging accumulator jar being arranged on inside operation cabinet at the top of operation cabinet.
Further, be additionally provided with the operation cabinet for control whole acquisition system master switch, for controlling CO2 to inhale
The gas washing key switch of receipts system, for the gas production key switch of control gas sampling system and for showing that CO2 absorbs system
The time display of system operating time.
Further, the control module for controlling magnetic valve and vavuum pump to act is additionally provided with the operation cabinet.
Further, the plastic hose end being connected with Storage Time in Gas Collecting Bag is additionally provided with quick coupling.
The beneficial effects of the present invention are：The acquisition system of the present invention can remove the interference of carbon in atmosphere at all, and
Soil layer can be avoided by serious interference, its measured value can represent the state of original soil layer exactly.
Brief description of the drawings
In order that the purpose of the present invention, technical scheme and beneficial effect are clearer, the present invention provides drawings described below and carried out
Explanation：
Fig. 1 is schematic perspective view of the invention；
Fig. 2 is the connection diagram of pipe-line system of the present invention；
The control principle drawing of Fig. 3 present invention.
Embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described in detail.
A kind of soil respiration automated collection systems, the acquisition system includes pump bowl II and operation cabinet I, the pump bowl
Top is provided with air inlet 6, is provided with gas outlet 5, bottom sideways for ease of inserting the opening of soil, and the operation cabinet is interior to be set
There are vavuum pump 15, Storage Time in Gas Collecting Bag 17 and the Drexel bottle 13 equipped with soda lime 12.In CO2 absorption systems, the vavuum pump
Air inlet 2 and gas outlet 1 gas outlet respectively with Drexel bottle and the air inlet UNICOM of pump bowl；In gas sampling system,
The air inlet 2 of the vavuum pump and gas outlet 1 gas outlet respectively with pump bowl and Storage Time in Gas Collecting Bag UNICOM, the pump bowl
Gas outlet and the air inlet UNICOM of Drexel bottle.The gas outlet of the pump bowl and the air inlet UNICOM of Drexel bottle.
In the present embodiment, the first electricity is provided with the pipeline of the air inlet of the vavuum pump and the gas outlet UNICOM of pump bowl
The second magnetic valve 8 is provided with the pipeline of magnet valve 7, the air inlet of the vavuum pump and the gas outlet UNICOM of Drexel bottle, it is described true
The 3rd magnetic valve 9, the gas outlet of the vavuum pump are provided with the pipeline of the gas outlet of empty pump and the air inlet UNICOM of pump bowl
With being provided with the 4th magnetic valve 10, the gas outlet of the pump bowl and Drexel bottle on the pipeline of the air inlet UNICOM of Storage Time in Gas Collecting Bag
Air inlet UNICOM pipeline on be provided with the 5th magnetic valve 11.
In the present embodiment, solar electric power supply system is additionally provided with the operation cabinet, the solar electric power supply system includes
The solar panel 3 being arranged at the top of operation cabinet and the charging accumulator jar 16 being arranged on inside operation cabinet.
In the present embodiment, be additionally provided with the operation cabinet for control whole acquisition system master switch, for controlling
The gas washing key switch 20 of CO2 absorption systems, for controlling the gas production key switch 21 of gas sampling system and for showing that CO2 inhales
Receive the time display 22 of system operating time.
In the present embodiment, the control module for controlling magnetic valve and vavuum pump to act is additionally provided with the operation cabinet,
The plastic hose end being connected with Storage Time in Gas Collecting Bag is additionally provided with quick coupling 18, the soil respiration automated collection systems
Various UNICOM's pipelines be attached using plastic hose 4.
The soil respiration automated collection systems of the present embodiment are also configured with the soft device of soil, and the soft device of soil is with taking out
The supporting iron ring of inflator, with certain height.Because pump bowl can not be directly placed into soil, must first by by with pump bowl
The soft device of supporting soil is pounded into soil certain depth, is taken out iron ring and is placed bottomless seal closure cylinder again.
The operation cabinet of the present embodiment is integrated with CO2 absorption systems, gas sampling system, control circuit and control panel.Its
In, it is connected in switch board between CO2 absorption systems, gas sampling system part by plastic hose 4.
In CO2 absorption systems in the present embodiment, gas flows through the electromagnetism in operation cabinet from the gas outlet of pump bowl
Valve 11, into Drexel bottle, absorption to CO2 is reached in Drexel bottle, then gas sequentially passes through electromagnetism by placing soda lime
Valve 8, vavuum pump and magnetic valve 9, the air inlet of pump bowl；Electronic time control electrical equipment is to its operating time timing simultaneously, by chain of command
Time display on plate shows the operating time.When gathering gas in gas sampling system, air-flow passes through vavuum pump, magnetic valve
Enter Storage Time in Gas Collecting Bag after 10.
The use step of the soil respiration automatic data collection system of the present embodiment is：
Step one：With the soft a piece of land of mellow soil device to ensure that pump bowl can be inserted smoothly in soil without being damaged
It is bad, pump bowl is inserted into 15 centimetres of depths of soil.
Step 2：Pump bowl and operation cabinet, the gas outlet 5 of pump bowl and the air inlet of operation cabinet are connected by plastic hose 4
Mouth 2 is connected, and the gas outlet 1 of operation cabinet is connected with the air inlet 6 of pump bowl.
Step 3：Switch board is opened, the master switch 20 of the whole soil automatic collecting system of control is opened, initially enters work
Make state.
Step 4：Gas washing key 20 is pressed, magnetic valve 8,9,11 is opened, kept clear, while automatic timing unit starts meter
When, show the working time in time showing panel 22.The function of removing original air carbon dioxide at the top of pump bowl starts work
Make.To eliminate the influence of carbon dioxide in own air at the top of pump bowl, the headspace for drawing pump bowl enters operation cabinet, taken out
The air of inflator is entered the air inlet 2 of operation cabinet by gas outlet 5 by plastic hose, and entering CO2 via magnetic valve 11 absorbs dress
Put (plastic bottle 13 for being placed with soda lime 12).Sufficiently absorbed for the CO2 that flows through in gas, in CO2 absorption plants
Original flow enters from long tube, and the gas for removing CO2 flows out from short tube.CO2 gas is removed via magnetic valve 8, vavuum pump, electromagnetism
Flowed out after valve 9 from the gas outlet 1 of operation cabinet, the air inlet 6 of pump bowl is flowed into via plastic hose 4, the gas for removing CO2 enters
Into pump bowl II.In this step, the air for removing CO2 enters pump bowl to reach that the headspace to pump bowl enters again
The purpose of one wash cycles of row, it is ensured that air pressure is consistent substantially with ambient pressure in pump bowl.Note observing time
Display panel 22, after being shown as 8-10 minutes, gas washing key 20 is pressed in the headspace of pump bowl again without CO2, this
Function stop works, and autotimer is also stopped, the time zero of time showing panel 22.
Step 5：Cross after 1 minute, after vegetation and soil discharge CO2, gas production key is pressed for the first time, soil one is loaded with
The CO2 gas of depthkeeping degree release flows out from the gas outlet 5 of pump bowl II, via plastic hose enter magnetic valve 7, vavuum pump,
Magnetic valve 10, flows out from quick coupling 18, removes the air in pipeline, presses gas production key for the second time later, it is stopped.It hurry up
Speed connection quick coupling 18 and Storage Time in Gas Collecting Bag 17, gas collecting can be carried out by pressing collection key.When carrying out gas collecting, first
To the progress of the Storage Time in Gas Collecting Bag 17 gas washing link of 2~3 times, original air in Storage Time in Gas Collecting Bag is driven away.Gas washing 2~3 times
Afterwards, you can carry out formal gas collecting.Repeat said process three times.
Step 6：General supply, the plastic hose of dismounting attended operation cabinet I and pump bowl II are closed, and sorting placement is good, closes
Closed operation cabinet front/rear door.
Step 7：The indoor gas to Storage Time in Gas Collecting Bag carries out isotope analysis to analyze new carbon, old carbon to soil respiration
Contribution.
The electric routing power of control, control core in the present embodiment are constituted.Power supply includes solar panel, charging electric power storage
Bottle, control module.Solar panel, charging accumulator jar provide electricity for whole device；12V voltage conversions are by DC-DC module
5V operating voltage.Solar panel is provided with the top of operation cabinet, when gas collecting is carried out, can also be filled simultaneously
Electric process, has saved the energy.Master switch, the gas washing key for controlling CO2 absorption systems and control gas collecting are equipped with control panel
The gas production key of system, also one can show the time display of CO2 absorption system operating times.
The CO2 absorption systems of the present embodiment are integrated in one piece with CO2 acquisition systems, and the two is realized by control core
Control to two various process.
,, can be directly sharp without drilling through a soil profile in advance when gathering the gas of soil certain depth in the present embodiment
Inserted with the soft device mellow soil of soil, and by pump bowl in soil, really avoid the disturbance to soil horizon, it is ensured that
The accuracy of the data of collection.
The present embodiment is again worked 12V photovoltaic conversions for 5V by control module to 12 volts of accumulator jar chargings by solar energy
Voltage, enables the invention to normally carry out field work in the wild, facilitates and carries out SOIL GAS in In Permafrost Regions of Qinghai-xizang Plateau
The collection of body.
The present embodiment has all used vavuum pump in CO2 absorption systems and CO2 acquisition systems, in CO2 absorption systems
Accelerate to enter bottomless seal closure cylinder headspace the speed of CO2 absorption plants using vavuum pump, reduce the sampling time；In CO2
Increase gathered gas flow in acquisition system using vavuum pump Automatic-bleeding, make it there are enough gas flows to fully meet
The laboratory measurement in later stage.
The system of the present embodiment can gather the greenhouse gases that certain depth of soil soil respiration goes out, and then pass through isotope
The new carbon of research and application, contribution of the old carbon to soil respiration.Timer and time display panel are provided with switch board simultaneously, can be right
CO2 absorption systems carry out accurate time control, it is to avoid extremely frigid zones electronic equipment go wrong can not timing situation.
Finally illustrate, preferred embodiment above is merely illustrative of the technical solution of the present invention and unrestricted, although logical
Cross above preferred embodiment the present invention is described in detail, it is to be understood by those skilled in the art that can be
Various changes are made to it in form and in details, without departing from claims of the present invention limited range.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720143057.6U CN206546278U (en) | 2017-02-17 | 2017-02-17 | A kind of soil respiration automated collection systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720143057.6U CN206546278U (en) | 2017-02-17 | 2017-02-17 | A kind of soil respiration automated collection systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206546278U true CN206546278U (en) | 2017-10-10 |
Family
ID=59994016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720143057.6U Expired - Fee Related CN206546278U (en) | 2017-02-17 | 2017-02-17 | A kind of soil respiration automated collection systems |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206546278U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111350501A (en) * | 2020-03-26 | 2020-06-30 | 中国科学院地质与地球物理研究所 | Geothermal well full-flow sampling system |
-
2017
- 2017-02-17 CN CN201720143057.6U patent/CN206546278U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111350501A (en) * | 2020-03-26 | 2020-06-30 | 中国科学院地质与地球物理研究所 | Geothermal well full-flow sampling system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203929461U (en) | A kind of artificial pasture greenhouse gases harvester | |
| CN102533528B (en) | Sealed continuous culture experimental apparatus based on simulation of microalgae amplification culture | |
| CN102879231A (en) | Greenhouse gas collection device for soil at different depths, and in-situ observation method | |
| CN102608291A (en) | Simulated large-field soil and solute transporting system | |
| CN107966525B (en) | The method comprises the following steps of 13 CO 2 Method for quantifying pulsed marker plants | |
| CN207231847U (en) | A kind of environmental inspection sewage sampling device | |
| CN101441146A (en) | Collecting device of different depth soil gas | |
| JP6105681B2 (en) | Unmanned automatic alkalinity measurement system and method | |
| CN106940365A (en) | A kind of indoor soil incubation device for integrating ventilation culture with gas collecting and application | |
| CN103698476B (en) | The tracer method that a kind of perennial vegetation carbon source and carbon of in-site detecting is converged | |
| CN206546278U (en) | A kind of soil respiration automated collection systems | |
| CN208350564U (en) | Sand tank device capable of finely depicting migration and conversion of pollutants in aquifer | |
| CN106769271A (en) | A kind of soil respiration automated collection systems | |
| CN209148390U (en) | Soil culture and high-resolution in-situ gas-liquid sampling device | |
| CN214334405U (en) | A gas collection device for rhizosphere excitation effect emission of carbon dioxide | |
| CN207264658U (en) | Simulating plant root, Rhizosphere ecosystem simulator | |
| CN202648993U (en) | Moisture leakage sampling automatic collecting equipment of leakage pool | |
| CN206638467U (en) | A kind of harvester for indoor culture soil greenhouse gases | |
| CN101126753A (en) | A method for measuring root respiration in situ | |
| CN210953984U (en) | Integrated automatic monitor for root secretion and respiration process | |
| CN110398575B (en) | Soil leaching water collecting and detecting system | |
| KR20150047350A (en) | Automatic sampling device for soil pore water | |
| CN206540734U (en) | A kind of ammonia volatilization sampling apparatus for being suitable to northern farmland | |
| CN208188091U (en) | Farmland nutrient circulating research device | |
| CN203881576U (en) | Drawer type portable slope runoff sampler |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171010 Termination date: 20200217 |