CN108152082A - A kind of Sediment Pore Water and dissolved gas harvester - Google Patents
A kind of Sediment Pore Water and dissolved gas harvester Download PDFInfo
- Publication number
- CN108152082A CN108152082A CN201711336577.XA CN201711336577A CN108152082A CN 108152082 A CN108152082 A CN 108152082A CN 201711336577 A CN201711336577 A CN 201711336577A CN 108152082 A CN108152082 A CN 108152082A
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- Prior art keywords
- gas
- fixator
- pore water
- conduit
- valve
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 72
- 239000011148 porous material Substances 0.000 title claims abstract description 68
- 239000013049 sediment Substances 0.000 title claims abstract description 15
- 239000003153 chemical reaction reagent Substances 0.000 claims abstract description 28
- 238000001914 filtration Methods 0.000 claims abstract description 23
- 241001124569 Lycaenidae Species 0.000 claims abstract 2
- 239000012528 membrane Substances 0.000 claims description 7
- ZOIORXHNWRGPMV-UHFFFAOYSA-N acetic acid;zinc Chemical group [Zn].CC(O)=O.CC(O)=O ZOIORXHNWRGPMV-UHFFFAOYSA-N 0.000 claims description 6
- 239000004246 zinc acetate Substances 0.000 claims description 6
- 238000000605 extraction Methods 0.000 abstract description 14
- 150000004677 hydrates Chemical class 0.000 abstract description 9
- 238000007789 sealing Methods 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 88
- 230000003068 static effect Effects 0.000 description 14
- 238000000034 method Methods 0.000 description 12
- 238000005070 sampling Methods 0.000 description 10
- 239000000126 substance Substances 0.000 description 8
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 7
- 239000007788 liquid Substances 0.000 description 6
- 239000000284 extract Substances 0.000 description 4
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000003828 vacuum filtration Methods 0.000 description 2
- 238000003809 water extraction Methods 0.000 description 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- GMACPFCYCYJHOC-UHFFFAOYSA-N [C].C Chemical compound [C].C GMACPFCYCYJHOC-UHFFFAOYSA-N 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- NMJORVOYSJLJGU-UHFFFAOYSA-N methane clathrate Chemical compound C.C.C.C.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O NMJORVOYSJLJGU-UHFFFAOYSA-N 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000003643 water by type Substances 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
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
Abstract
The present invention relates to gas hydrates area Sediment Pore Water and dissolved gas harvesters, including collection tube, sample receptacle and vacuum generator, the front end connection filtering head of collection tube, end connects sample receptacle, centre connection vacuum generator, acquires pipe end and vacuum generator end is respectively provided with valve；Further include gas fixator and space buffer, the oral area sealing of gas fixator, inside fills the reagent for fixed gas, it is connected between gas fixator and sample receptacle by conduit I, valve is set on conduit I, space buffer is connected with gas fixator, and gas flowmeter, pressure gauge and valve are equipped between space buffer and gas fixator.Sediment Pore Water provided by the invention and dissolved gas harvester, gas in the pore water of acquisition can be detached and fixed, and the quantitative extraction pore water that can stablize, it can be inserted into multiple pore water collectors simultaneously on same column shaped deposit, can synchronize and obtain high-precision vertical demixing pore water.
Description
Technical field
The present invention relates to Pore Water From Marine Sediments sample detecting technical field, more particularly to gas hydrates area deposits
Object pore water and dissolved gas harvester.
Background technology
Gas hydrates are captured natural gas molecule under low temperature, hyperbaric environment by hydrone and are formed like ice-like knot
Crystalline compound is widely distributed in the deposit of continental convergence edge, divergent margin or submarine ridge.The oceanographic sedimentation estimated at present
The reserves of gas hydrates are (1~5) × 1015m3Methane (about 500~2500G t methane carbon) is considered to be following potential
Natural gas resource, Global climate change driven factor and submarine geological hazard latency.Up to the present, it has been found that
The main distributed area of sea bed gas hydrate be each ocean Marginal Seas in the world continental slope, continental rise tableland and basin and one
A little inland sea areas.The South China Sea in China has found gas hydrates；And the marine site in China is proved through Primary Study, it is provided with
Good gas hydrates minerogentic condition and Prospect for prospecting.In the past 20 years, in the world by gas hydrates preservation area
It conducts a research, Sediment Pore Water is subjected to geochemical analysis, so as to establish a set of more mature identification gas water
The geochemical method of object is closed, can be complemented one another with geophysical method；Therefore Geochemical Characteristics, especially head space hydro carbons gas
Body content characteristics are to differentiate that can gas hydrates find hydrate and research hydration into one of basic index of Tibetan
Object correlated characteristic etc. can play huge irreplaceable role.
Mainly there are plain press method, centrifugal process and vacuum filtration to Submarine core sediment pore water acquisition technique at present
Method etc., these methods all carry out under conventional environment, and are required for having enough to meet the need for a long time, and process is complicated, are difficult to obtain true
Data.During vacuum filtration, during the pore water of extraction is then transferred in sample bottle, gas hydrates are leaked
There is the CH that characterization acts on4、H2The gases such as S can escape or disappear, therefore cannot accurately reflect the primitive component and letter of pore water
Breath, and the amount of collected pore water cannot control.In addition, during being extracted with vacuum tube, because of some deposit cracks
There are the reason of, therefore a large amount of gas can be pumped into, make the hole water volume of extraction that test request be not achieved.
Invention content
Gas (being hereafter sometimes referred to as static headspace gas) escape in transfer process after being acquired for pore water in the prior art
And the problem of contact with air, because of the presence in crack in deposit, test request is not achieved in the hole water volume of extraction
The above problem, the present invention provide a kind of Sediment Pore Water and dissolved gas harvester, and air-tightness is good, and accuracy is high, can be with
Easily quantitative collection pore water, it is ensured that the sample of acquisition meets point of the metallic elements such as the gases such as methane, hydrogen sulfide and iron, manganese
Analysis test.
The present invention is achieved by the following technical solutions：
A kind of Sediment Pore Water and dissolved gas harvester, including collection tube, sample receptacle and vacuum generator,
The front end connection filtering head of collection tube, end connection sample receptacle, centre connection vacuum generator acquire pipe end and vacuum
Generator end is respectively provided with valve；Gas fixator and space buffer are further included, the oral area sealing of gas fixator, inside fills
It for the reagent of fixed gas, is connected between gas fixator and sample receptacle by conduit I, valve is set on conduit I, it is empty
Between buffer connected with gas fixator, and between space buffer and gas fixator be equipped with gas flowmeter, pressure gauge
And valve.
Further, the gas fixator and sample receptacle are the bottle with rubber stopper.
Further, volume markings are carried on the sample receptacle.
Further, the space buffer is hollow rubber bulb, and rubber bulb is fixed by conduit II with gas
Device unicom.
Further, the end of the collection tube, the both ends of conduit I, conduit II end be respectively provided with needle-based conduit.
Further, the vacuum generator is syringe.
Further, the filtering head is Porous hollow cylinder filter membrane.
Further, setting toughness support stick in the filtering head, the section of toughness support stick are less than the section of filtering head.
Further, the reagent is zinc acetate.
Sediment Pore Water provided by the invention and dissolved gas harvester, can be by the gas in the pore water of acquisition point
From fixation, and the quantitative extraction pore water that can stablize, multiple pore waters acquisitions can be inserted on same column shaped deposit simultaneously
Device can synchronize and obtain high-precision vertical demixing pore water.Pore water directly pulls out the syringe needle on rubber stopper after collecting, close
The gas of collected pore water and separation is directly preserved, treats laboratory test by the valve of suction ball, avoids pore water transfer
Contact with air in the process.In addition, device is simple, and it is at low cost, convenient for promoting.
Description of the drawings
The structure diagram of 1 Sediment Pore Water of Fig. 1 embodiments and dissolved gas harvester.
In figure, 1, sample bottle；2nd, collection tube；23rd, filtering head；231st, Porous hollow cylinder filter membrane；232nd, toughness supports
Stick；3rd, syringe；31st, check valve 4, reagent bottle；41st, rubber stopper；5th, conduit I；6th, rubber bulb；7th, conduit II；71st, 8, gas
Flowmeter；9th, pressure gauge；10th, reagent；11 and 41 be rubber stopper；21st, 51,52,71 be needle-based conduit；22nd, 53,72 valve.
Specific embodiment
The present invention is described in further details with reference to specific embodiment and attached drawing.
The present invention provides a kind of Sediment Pore Water and dissolved gas harvester, including collection tube, vacuum generator, sample
Product receptacle, gas fixator and space buffer.The front end connection filtering head of collection tube, end connection sample receptacle, in
Between vacuum generator is set.Check valve between vacuum generator and collection tube is set, only allows the gas flow in collection tube true
Empty generator.Valve is set between collection tube and sample receptacle, controls the flowing of sample.Band rubber may be used in sample receptacle
The bottle of rubber plug, such as sample bottle, reagent bottle.Syringe may be used in vacuum generator.
Filtering head is Porous hollow cylinder filter membrane, for filtering collected pore water, Porous hollow cylinder filter membrane
Aperture for 0.45 μm, a diameter of 0.2cm.Toughness support stick is also fixed with inside Porous hollow cylinder filter membrane, was connected
Filter and collection tube prevent losing for filtering head.The section of toughness support stick is less than the section of filtering head, to ensure pore water
Extraction efficiency.
Toughness support stick is also set up in filtering head, prevents filtering head from deforming, gas fixator is complete in sample for fixing
Portion or portion gas, the sealing of gas fixator oral area, inside fills the reagent for fixed gas (reacting with gas).
Gas fixator is needed with scale, and with preferable precision, therefore the reagent bottle with rubber stopper may be used.
Space buffer is connected with gas fixator, and gas flow is equipped between space buffer and gas fixator
Meter, pressure gauge and valve.Space buffer has cavity, and the volume of cavity can change with the variation of air pressure, such as can adopt
With hollow rubber bulb, conduit is set in suction ball, rubber bulb passes through conduit and gas fixator unicom.
It is connected between gas fixator and sample receptacle by conduit, setting valve is needed on conduit.Conduit preferably with
Good airproof performance, pipe corrosion-resistant, inner surface luminosity is high, such as rubber tube, pvc pipe.
End set needle-based conduit of the end, conduit of collection tube in gas receptacle and gas fixator, can be with
Easily by needle-based conduit from corresponding rubber stopper into and out.Needle-based conduit need to have certain length, just
In the distance for adjusting needle-based conduit and liquid level in gas receptacle and gas fixator.
Operation principle：Filtering head is inserted into deposit, opens vacuum generator end check valve, while lead needle-based
Pipe 52 and 72 is on reagent liquid level.Vacuum generator works, and sample receptacle and buffer is made to generate subnormal ambient, buffering
Device becomes smaller because of the cavity volume in subnormal ambient, buffer.Check valve is closed, by the needle-based conduit tune in gas fixator
It is whole under reagent liquid level, under suction function, the pore water in deposit is flowed into harvester.Extracting pore water
In the process, buffer is slowly restored to nature, when the pore water of extraction reaches the requirement of needs, closes check valve, takes
Lower sample receptacle completes the acquisition and fixation of pore water and static headspace gas.
The present apparatus can make the pore water of extraction avoid the contact with air, its primitive component of accurate response and information；Space
Buffer can separate the free gas in the pore water of extraction and pore water, and by the H in gas2S fixes to be directly used in
The measure of isotope；And space buffer increases negative pressure space, accelerates the picking rate of interstitial water, increases pore water
Collecting efficiency, preferably control extract pore water amount；Scale on sampling bottle can determine that different layers position can be acquired
The amount of pore water, the amount of the substance with calculating are compared, the relative amount of static headspace gas in judging different layers for pore water；Pressure
The pressure that power measures can be verified mutually with the pressure in the device calculated, can more accurately acquire pore water.
Embodiment 1
The present embodiment provides a kind of Sediment Pore Water and dissolved gas harvester, as shown in Figure 1, including sampling bottle 1,
Collection tube 2, syringe 3, reagent bottle 4, conduit 5, suction ball 6.The oral area setting rubber stopper 11 of sampling bottle 1, the front end of collection tube 2 connects
Filter 23 is taken over, end is provided with needle-based conduit 21, and needle-based conduit 21 is pierced by from sealing-plug 11, stretches to sampling bottle 1
Middle and lower part.The top setting valve 22 of needle-based conduit 21, the front end of collection tube 2 are pore water filtering head 23, filtering head 23
Interior to be filled with Porous hollow cylinder filter membrane 231, aperture is 0.45 μm, a diameter of 0.2cm.Toughness support stick 232 is also set up, even
Filter and collection tube are taken over, the section of toughness support stick is less than the section of filtering head, filtering head can either be made to keep certain shape
Shape prevents from losing, moreover it is possible to ensure the picking rate of pore water.
The middle part of collection tube 2 is equipped with the syringe 3 vacuumized, and syringe 3 is connected with collection tube 2, pull syringe, energy
Enough make to generate negative pressure in collection tube 2, check valve 31 is set between syringe 3 and collection tube 2, avoid pulling the process of syringe 3
The rebound of middle syringe causes air to be re-introduced into sample bottle 1, improves the generation efficiency of subnormal ambient.
The oral area setting rubber stopper 41 of reagent bottle 4, inside fill zinc acetate solution, and zinc acetate can be with collected head space
H in gas2S gas reactions generate ZnS, can further be directly used in H2The measure of S and its isotope.
Sample bottle 1 is connected with reagent bottle 4 by conduit I5, and the both ends of conduit I5 set needle-based conduit 51 and 52 respectively,
Needle-based conduit 51 is passed through from rubber stopper 11, is stretched into sample bottle 1, and needle-based conduit 52 is passed through from rubber stopper 41, is stretched
Enter into reagent bottle 41.Valve 53 is also set up on needle-based conduit.
Rubber bulb 6 is also set up on reagent bottle 4, rubber bulb 6 is connected by conduit II7 with the inside of reagent bottle 4.Conduit
II7 is equipped with valve 72, is also associated with gas flowmeter 8 and pressure gauge 9 by three-way connection on conduit II7.The end of conduit II7
End setting needle-based conduit 71, needle-based conduit 71 is passed through from rubber stopper 41, is deep into the middle part of reagent bottle.
The acquisition of 2 column shaped deposit pore water of embodiment and dissolved gas
It is sampled using the device in embodiment 1.According to extraction static headspace gas volume and device in pressure, can
To calculate the quality of the substance of static headspace gas and removal H in sampling bottle2The amount of the substance of gas after S, tentatively to be judged
The relative amount of different layers position static headspace gas in column shaped deposit.
Specific calculating is as follows：
The Ideal-Gas Equation pV=nRT (1)
Suction ball film additional pressure formula
In formula (1), p refers to the pressure of perfect gas, and V is the volume of perfect gas, and n represents the amount of gaseous matter, and T is then
Represent the thermodynamic temperature of perfect gas, R is ideal gas constant.
In formula (2), pFilmRefer to suction ball film additional pressure, a, b, c is the constant related with rubber, R0For at the beginning of rubber bulb
Beginning radius, R are the radius after rubber bulb variation.
P=p0+pFilm(3)
In formula (3), p refers to extract the pressure in suction ball, p after certain air0It is atmospheric pressure, pFilmRefer to that suction ball film adds
Pressure.
Formula (4) is sphere volume calculation formula, and V is sphere volume, and R is radius of sphericity.
In formula (5), VGasThe volume of static headspace gas after a certain amount of pore water of expression extraction in suction ball；R0For at the beginning of rubber bulb
Beginning radius, R are the radius after rubber bulb variation.
Pressure and volume in sample bottle before and after formula (1) and extraction pore water, establish the equation of gas state：
In formula (6), p is the pressure extracted after a certain amount of pore water in sample bottle and suction ball；P0Not carry out pore water
Initial pressure during extraction in container；VBallRepresent the volume of suction ball original state, VGasIt represents to inhale after extracting a certain amount of pore water
The volume of static headspace gas in ball；n0The amount of initial gas (air) substance during not carry out pore water extraction in container；nBall gasTable
Show the amount of the substance of the static headspace gas in suction ball.
In formula (7), p is the pressure extracted after a certain amount of pore water in sample bottle and suction ball；VBottleRepresent sampling bottle volume
The sum of with the volume of air in reagent bottle, VWaterRepresent the volume of pore water acquired in sample bottle, nBottle gasIt represents after extracting pore water
The amount of the substance of static headspace gas in sample bottle.
The amount in sample bottle with the substance of gas in suction ball is calculated according to formula (1)-(7)：
WhenWhen
WhenWhen
(1) sampling of column shaped deposit pore water：
(a) pore water filtering head 23 is inserted into the pvc pipe for including deposit punched in advance first, needle-based is led
The height of pipe 52 is adjusted on reagent liquid level, opens valve 22, check valve 31, valve 53, valve 72 respectively, while as needed
The amount of the pore water of acquisition, the height of adjustment needle-based conduit 52, makes it not submerge in the pore water of acquisition.According to wanting
The hole water volume of acquisition utilizes more than derivation formula, calculates the relative amount of different layers position static headspace gas in column shaped deposit,
By pulling syringe, the air pressure in the memory space of sample bottle 1, reagent bottle 4 and suction ball 6 is adjusted to negative pressure；It closes unidirectional
Valve 3, samples Sediment Pore Water.
(b) according to the length of deposit and required sampling interval, (a) step is repeated in, it is more to be carried out at the same time deposit
The sampling of level.
(c) when pore water, which extracts, to be completed, valve 72, valve 53 and valve 22 are closed.
If (d) due to the presence in crack in deposit, it is impossible to ensure the hole that the subnormal ambient that primary suction generates extracts
Water can reach test request, at this point, opening check valve 31, valve 22, sampling bottle 18 be made to be in negative again using syringe
In pressure ring border, continue the acquisition of pore water, the requirement until reaching the sample needed for test.
(2) H in static headspace gas2The separation of S
(a) when the air pressure in the memory space of sample bottle 1, reagent bottle 4 and suction ball 6 be negative pressure, carry out the extraction of pore water
During, the height of adjustment needle-based conduit 52 is inserted into the bottom of reagent bottle 4, the gas in the pore water of extraction
Body releases, and due to the subnormal ambient of suction ball 6, gas is flowed by conduit II and reagent bottle 4 into suction ball, when gas encounters
During zinc acetate solution in reagent bottle 4, the H in gas2S ingredients react generation ZnS with zinc acetate, so as to H2S is separated.
(b) when extracting required pore water, the reading of flowmeter 8 is read, suction ball 6 is calculated using above-mentioned calculation formula
The amount of the substance of the static headspace gas in sample bottle 1 is neutralized, tentatively judges content of the relatively other layers in this layer of position for static headspace gas.
(c) after pore water extracts, the gas in the liquid and suction ball 6 in reagent bottle 4 is preserved.Liquid in reagent bottle 4
Body directly can carry out the measure of isotope.
Claims (8)
1. a kind of Sediment Pore Water and dissolved gas harvester including collection tube, sample receptacle and vacuum generator, are adopted
The front end connection filtering head of collector, end connection sample receptacle, centre connection vacuum generator acquire pipe end and vacuum hair
Raw device end is respectively provided with valve, which is characterized in that further includes gas fixator and space buffer, the oral area of gas fixator is close
Envelope, inside fill the reagent for fixed gas, are connected between gas fixator and sample receptacle by conduit I, on conduit I
Valve is set, and space buffer is connected with gas fixator, and gas stream is equipped between space buffer and gas fixator
Gauge, pressure gauge and valve.
2. harvester according to claim 1, which is characterized in that the gas fixator and sample receptacle are band
The bottle of rubber stopper.
3. harvester according to claim 2, which is characterized in that the space buffer is hollow rubber bulb,
Rubber bulb passes through conduit II and gas fixator unicom.
4. harvester according to claim 3, which is characterized in that the end of the collection tube, is led at the both ends of conduit I
The end of pipe II is respectively provided with needle-based conduit, and needle-based conduit is pierced by from rubber stopper.
5. according to claim 1-4 any one of them harvesters, which is characterized in that the vacuum generator is syringe.
6. harvester according to claim 5, which is characterized in that the filtering head in a tubular form, inside filling it is porous in
Hollow cylinder filter membrane, aperture are 0.45 μm, a diameter of 0.2cm.
7. harvester according to claim 6, which is characterized in that setting toughness support stick, toughness in the filtering head
The section of support stick is less than the section of filtering head.
8. harvester according to claim 7, which is characterized in that the reagent is zinc acetate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711336577.XA CN108152082A (en) | 2017-12-14 | 2017-12-14 | A kind of Sediment Pore Water and dissolved gas harvester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711336577.XA CN108152082A (en) | 2017-12-14 | 2017-12-14 | A kind of Sediment Pore Water and dissolved gas harvester |
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| Publication Number | Publication Date |
|---|---|
| CN108152082A true CN108152082A (en) | 2018-06-12 |
Family
ID=62466088
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|---|---|---|---|
| CN201711336577.XA Pending CN108152082A (en) | 2017-12-14 | 2017-12-14 | A kind of Sediment Pore Water and dissolved gas harvester |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201828439U (en) * | 2010-10-26 | 2011-05-11 | 湖北省环境监测中心站 | Sampling device of sulphur dioxide gas in flue |
| CN102109422A (en) * | 2010-12-17 | 2011-06-29 | 中国科学院东北地理与农业生态研究所 | Handheld soil pore water sampler |
| CN202305282U (en) * | 2011-10-11 | 2012-07-04 | 核工业北京地质研究院 | Gas sampling device in petroleum casing pipe |
| CN103100253A (en) * | 2011-11-10 | 2013-05-15 | 中国科学院生态环境研究中心 | Portable fast suction filtration device for sediment pore water |
| CN204405386U (en) * | 2015-01-26 | 2015-06-17 | 盘锦瑞德化工有限公司 | A kind of phthalic anhydride gas sampler |
| CN204461837U (en) * | 2014-12-31 | 2015-07-08 | 河南联鑫化工有限公司 | Recycle hydrogen sampler |
| CN206369647U (en) * | 2016-12-30 | 2017-08-01 | 福建师范大学 | A kind of strand tidal beach wetland Sediment Pore Water sampler |
| CN206710159U (en) * | 2017-03-30 | 2017-12-05 | 林移梅 | A kind of portable air acquisition detection means |
| CN207570848U (en) * | 2017-12-14 | 2018-07-03 | 青岛海洋地质研究所 | A kind of Sediment Pore Water and dissolved gas harvester |
-
2017
- 2017-12-14 CN CN201711336577.XA patent/CN108152082A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201828439U (en) * | 2010-10-26 | 2011-05-11 | 湖北省环境监测中心站 | Sampling device of sulphur dioxide gas in flue |
| CN102109422A (en) * | 2010-12-17 | 2011-06-29 | 中国科学院东北地理与农业生态研究所 | Handheld soil pore water sampler |
| CN202305282U (en) * | 2011-10-11 | 2012-07-04 | 核工业北京地质研究院 | Gas sampling device in petroleum casing pipe |
| CN103100253A (en) * | 2011-11-10 | 2013-05-15 | 中国科学院生态环境研究中心 | Portable fast suction filtration device for sediment pore water |
| CN204461837U (en) * | 2014-12-31 | 2015-07-08 | 河南联鑫化工有限公司 | Recycle hydrogen sampler |
| CN204405386U (en) * | 2015-01-26 | 2015-06-17 | 盘锦瑞德化工有限公司 | A kind of phthalic anhydride gas sampler |
| CN206369647U (en) * | 2016-12-30 | 2017-08-01 | 福建师范大学 | A kind of strand tidal beach wetland Sediment Pore Water sampler |
| CN206710159U (en) * | 2017-03-30 | 2017-12-05 | 林移梅 | A kind of portable air acquisition detection means |
| CN207570848U (en) * | 2017-12-14 | 2018-07-03 | 青岛海洋地质研究所 | A kind of Sediment Pore Water and dissolved gas harvester |
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