CN107817131A - A kind of deep sea water and dissolved gas harvester and method - Google Patents
A kind of deep sea water and dissolved gas harvester and method Download PDFInfo
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- CN107817131A CN107817131A CN201711084697.5A CN201711084697A CN107817131A CN 107817131 A CN107817131 A CN 107817131A CN 201711084697 A CN201711084697 A CN 201711084697A CN 107817131 A CN107817131 A CN 107817131A
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- 239000013535 sea water Substances 0.000 title claims abstract description 54
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000003860 storage Methods 0.000 claims abstract description 81
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 75
- 238000005070 sampling Methods 0.000 claims abstract description 48
- 238000007789 sealing Methods 0.000 claims abstract description 37
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 8
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 8
- 238000005253 cladding Methods 0.000 claims description 5
- -1 polytetrafluoroethylene Polymers 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 2
- 238000012546 transfer Methods 0.000 claims description 2
- 230000008859 change Effects 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 62
- 238000000605 extraction Methods 0.000 description 9
- 230000003044 adaptive effect Effects 0.000 description 6
- 230000008901 benefit Effects 0.000 description 4
- 108010066057 cabin-1 Proteins 0.000 description 4
- 238000011835 investigation Methods 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 238000004321 preservation Methods 0.000 description 4
- 230000000717 retained effect Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 150000004677 hydrates Chemical class 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 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 2
- 230000009466 transformation Effects 0.000 description 2
- 239000003643 water by type Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000000155 isotopic effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
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- 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
-
- 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
-
- 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
- G01N1/2202—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling
-
- 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
- G01N2001/1087—Categories of sampling
- G01N2001/1093—Composite sampling; Cumulative sampling
-
- 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
- G01N2001/1418—Depression, aspiration
- G01N2001/1427—Positive displacement, piston, peristaltic
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- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
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- Hydrology & Water Resources (AREA)
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- Engineering & Computer Science (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a kind of deep sea water and dissolved gas harvester and method, by setting gas water acquisition channel, vacuum valve and spout hole on sampling bottle, gas water is set to gather entrance and magnetic valve in the one end for the high pressure sealing nacelle that sampling bottle connects with Airtight cabin, Negative pressure is carried out to sample storage storehouse in advance, realize collection sample, the magnetic valve that entrance and opening are gathered by gas water rapidly enters sampling bottle by gas water acquisition channel again, and collection finishes.During it will be extracted on harvester, the volume for changing sample storage storehouse is automatically moved to change its interior pressure to maintain the balance of sample storage storehouse external and internal pressure by dummy piston, ensures the safe unloading pressure of harvester and fetches.After harvester is withdrawn, first pass through vacuum valve and connect harvester and degasser, receive and collect water-soluble gas, water body example is collected by vacuum valve again afterwards, realize that sampling is complete.
Description
Technical field
The invention belongs to marine exploration equipment technical field, and in particular to a kind of deep sea water and dissolved gas harvester
And method.
Background technology
Deep sea water harvester mainly renovates sounding bottle and negative pressure extraction type original position airtight water sampling bottle two including self-locking
Kind main Types, and some types for changing out on both types basis.Wherein, self-locking renovates sounding bottle master
Body structure includes several parts such as water acquisition cylinder, spherical cap, release, fixed mount and steel wire rope groove and control system, sounding bottle according to
Pressure adaptive equilibrium principle, when hydrophore is transferred, two spherical caps keep opening wide, and after predetermined water acquisition depth is reached, pass through
The modes such as pressure switch element, cable control hydrophore to switch, and close two spherical caps at water acquisition cylinder both ends, are then present in circle
Seawater in cylinder just is saved.Such sounding bottle can install multiple sounding bottles and form a multiple seawater collection system every time
System, it is that device overall volume is bigger the characteristics of such sounding bottle, water acquisition amount is more, general 2-8 liters, and operation is fairly simple, but
Because such sounding bottle is using stretch cord sealing structure, so sounding bottle is compared with being difficult to ensure the water-soluble gas depositing and retained in seawater,
Hydrophore water acquisition also needs to realize by the auxiliary such as CTD acquisition systems, deck power supply, deck control system, Transmission system simultaneously.
Another sounding bottle is negative pressure extraction type original position airtight water sampling bottle, and such sounding bottle agent structure includes extracting and lived
Several parts such as plug, damper piston, working chamber, exhaust outlet, external pressure mouth, reservoir chamber, water inlet, delivery port, sounding bottle main body material
Expect for stainless steel, according to negative pressure extraction principle, working chamber is prefilled with water, and extracting piston keeps balanced seal, when under hydrophore
It is put into when reaching predetermined water acquisition depth, negative pressure cabin opens in water sampling system, the current direction negative pressure cabin pre-installed in working chamber, balances simultaneously
For piston to work cavity direction movement, there is negative pressure simultaneously in sample storage storehouse, now the seawater in the external world according to negative pressure extraction principle with
The movement of piston, is entered in sample storage storehouse, when the current pre-installed in working chamber are complete, dummy piston is moved fully to work
Chamber, is already filled with seawater in sample storage storehouse, and the seawater in sample storage storehouse is just preserved.The characteristics of such sounding bottle is
Operate it is more complicated, system work be not sufficiently stable, water acquisition amount is few.Working chamber need to be full of beforehand through compression pump before each water acquisition
Water, sounding bottle work also need to hyperbaric chamber, power supply, underwater computer, control system, predetermined software, negative pressure bucket, balance bunker, company
Multiple component composition acquisition systems such as binding structure could realize water acquisition, and water acquisition amount is 200ml.
Existing self-locking renovates that sounding bottle volume is larger, suitable for the collection of the stratified ocean of multiple layers of position, generally
By the control system and suspension bracket frame of the conductivity-temperature-depth system (CTD) of the information such as detection ocean temperature, salinity, depth, can install simultaneously
Multiple sounding bottles, but such sounding bottle is using stretch cord sealing structure, it is more difficult to the Water Soluble Gas retained in seawater is preserved completely
Body, the sounding bottle are mainly used in sea area that be not related to gas component content in water filling, that water sample demand is bigger geology and adjusted
Look into, in marine environment investigation.For specially focus on gas content in water and need not be especially more water resource investigation or section
The projects such as investigation are learned, are not suitable for using the sounding bottle.
Negative pressure extraction type original position airtight water sampling bottle structure is more relative complex, and sounding bottle also needs to hyperbaric chamber, power supply, underwater
Multiple component composition acquisition systems such as computer, control system, predetermined software, negative pressure bucket, balance bunker, attachment structure could be realized
The airtight collection of seawater, because sounding bottle is the operation principle according to negative pressure extraction, so every time need to be beforehand through true before water acquisition
Negative pressure bucket is evacuated to manufacture negative pressure, and working chamber is full of into water to reserve the mobile sky of piston with high-pressure hydraulic pump by empty pump
Between, field operation procedures are comparatively laborious, it usually needs professional operates.
To sum up, existing type sounding bottle has the following disadvantages：1) it is complex for operation step, be not suitable for boat-carrying onsite application；2)
Volume is excessive, does not utilize carrying and uses；3) relatively it is difficult to ensure the water-soluble gas deposited and retained in seawater；4) professional is needed to operate.
The content of the invention
It is an object of the invention to provide a kind of deep sea water and dissolved gas harvester and method, can realize to adopting
Ji Qu water-soluble gas and water body carries out collection and airtight preservation safely and fast, and collecting device small volume, operation are just
Profit.
In order to achieve the above object, concrete technical scheme of the invention is as follows：
A kind of deep sea water and dissolved gas harvester, including:Airtight cabin and sampling bottle；The sampling bottle includes
Closure and internal sample storage storehouse, the end in the sample storage storehouse is provided with dummy piston, in the dummy piston institute
The spout hole communicated therewith is provided with the sidewalls of the cavities, and the side wall in the sample storage storehouse is provided with the vacuum being in communication with the outside
Valve；
The Airtight cabin includes transformer, circuit board and the magnetic valve of high pressure sealing nacelle and inside, the transformation
Device is located at the end of the high pressure sealing nacelle, and its side is provided with circuit board fixing rack, and the circuit board is located at the circuit board
On fixed mount, the other end of the high pressure sealing nacelle is provided with the magnetic valve, is fixed in the magnetic valve and the circuit board
It is provided between frame and spacing spacing ring is carried out to the magnetic valve, the end of the high pressure sealing nacelle is provided with underwater electrical connector；
The arrival end in the sample storage storehouse is provided with the gas water acquisition channel connected with its inner chamber, the gas water collection
Check valve is provided with circulation passage；The magnetic valve is connected with the gas water acquisition channel and then connected with the sample storage storehouse
It is logical；
One end that the high pressure sealing nacelle is connected with the sampling bottle is provided with threaded connector, the closing of the sampling bottle
Shell is connected by the threaded connector with the high pressure sealing nacelle；The closure of the sampling bottle is provided with gas water
Entrance is gathered, one end of the gas water collection entrance and ft connection, its other end connect with the magnetic valve；
Setting is closed in the end of the sampling bottle and the high pressure sealing nacelle.
Further, the vacuum valve includes two, is respectively provided at the both sides of the side wall in the sample storage storehouse.
Further, using the seal with O ring of polytetrafluoroethylene (PTFE) cladding between the sample storage storehouse and piston.
Further, the dummy piston includes spring stage clip and piston body, and the spring stage clip is located at the piston body
Between the end of the closure.
Present invention also offers the method for utilizing described deep sea water and dissolved gas harvester to be acquired, including
Following steps:
A. by high pressure watertight cable by the circuit system of the harvester and boat-carrying power on；
B. institute's harvester is connected with boat-carrying vavuum pump by the vacuum valve, the sample storage storehouse is evacuated to
Vacuum；
C. facility is carried using boat-carrying to transfer the harvester to the designated layer bit depth of acquisition zone；
D. the magnetic valve is opened by the control of deck circuit, the seawater outside the sampling bottle by the magnetic valve from
The gas water collection entrance enters in the sample storage storehouse, after gathering preset time, closes the magnetic valve, gathers sample
It is stored in sample storage storehouse, collection finishes；
E. the harvester is above carried from acquisition zone, the dummy piston moves automatically because of pressure differential and stage clip elasticity
Dynamic, the volume for changing the sample storage storehouse maintains the balance of sample storage storehouse external and internal pressure；
F. device is above carried to behind cabin deck, is connected degasser by the vacuum valve, is respectively stored up the sample
The sample hidden in storehouse is acquired, and obtains water-soluble gaseous sample and water body example successively.
Further, in step d, the collection preset time is 2-3 minutes.
A kind of deep sea water provided by the invention and dissolved gas harvester and method, by being set on sampling bottle
Gas water acquisition channel, vacuum valve and spout hole, set in the one end for the high pressure sealing nacelle that sampling bottle connects with Airtight cabin
Gas water gathers entrance and magnetic valve.Negative pressure is carried out to sample storage storehouse by vacuum valve in advance, during sampling according to energy most
Low principle, realize collection sample；The magnetic valve, quick by gas water acquisition channel again of entrance and opening is gathered by gas water
Sample storage is controlled not flow backwards in sample storage storehouse into sampling bottle, and by the check valve in gas water acquisition channel.Adopt
Collection is finished, and during it will be extracted on harvester, dummy piston side is communicated by spout hole with extraneous seawater, foundation
Pressure adaptive equilibrium principle, dummy piston the double action of pressure differential and stage clip elasticity because automatically moving, and then by changing
The volume for becoming the sample storage storehouse changes in the sample storage storehouse pressure to maintain the balance of sample storage storehouse external and internal pressure,
The process can ensure the safe unloading pressure of harvester and fetch.After harvester is withdrawn, vacuum valve is first passed through by harvester
It is connected with degasser, collects water-soluble gas, water body example is collected by vacuum valve again afterwards, realizes that sampling is complete.
Brief description of the drawings
The structural representation of a kind of Fig. 1 deep sea waters provided by the invention and dissolved gas harvester；
1. Airtight cabin, 11. high pressure sealing nacelles, 12. transformers, 13. magnetic valves, 131. valve core of the electromagnetic valve, 14. electricity
Road plate fixed mount, 15. spacing rings, 16. underwater electrical connectors, 17. threaded connectors；
2. sampling bottle, 21. closures, 22. sample storage storehouses, 23. dummy pistons, 231. stage clips, 24. spout holes,
25. vacuum valve, 26. gas waters collection entrance, 27. check valves.
Embodiment
Embodiments of the present invention are illustrated below in conjunction with the accompanying drawings.
A kind of deep sea water and dissolved gas harvester, as shown in figure 1, including:Airtight cabin 1 and sampling bottle 2；Take
Sample bottle 2 includes closure 21 and internal sample storage storehouse 22, and the end in sample storage storehouse 22 is provided with dummy piston 23,
Cavity sidewalls where dummy piston 23 are provided with the spout hole 24 communicated therewith, the side wall in sample storage storehouse 22 be provided with it is outer
The vacuum valve 25 of boundary's connection；
Airtight cabin 1 includes transformer 12, circuit board and the magnetic valve of high pressure sealing nacelle 11 and inside, transformer 12
The end of high pressure sealing nacelle 11 is located at, its side is provided with circuit board fixing rack 14, and circuit board is located on circuit board fixing rack 14,
The other end of high pressure sealing nacelle 11 is provided with magnetic valve, is provided between magnetic valve and circuit board fixing rack 14 and magnetic valve is carried out
Spacing spacing ring 15, the end of high pressure sealing nacelle 11 are provided with underwater electrical connector 16；
The arrival end in sample storage storehouse 22 is provided with the gas water acquisition channel connected with its inner chamber, is set in gas water acquisition channel
There is check valve 27；Magnetic valve 13 connects with gas water acquisition channel, and valve core of the electromagnetic valve 131 enters gas water acquisition channel, Jin Erhe
Sample storage storehouse 22 connects；
One end that high pressure sealing nacelle 11 is connected with sampling bottle is provided with threaded connector 17, and the closure 21 of sampling bottle is logical
Threaded connector 17 is crossed to be connected with high pressure sealing nacelle 11；The closure 21 of sampling bottle 2 is provided with gas water collection entrance 26,
One end of gas water collection entrance 26 and ft connection, its other end connect with magnetic valve 13；
Close setting in the end of sampling bottle 2 and high pressure sealing nacelle 11.
Vacuum valve 25 includes two, is respectively provided at the both sides of the side wall in sample storage storehouse 22.Sample storage storehouse in this programme
Preferably using the seal with O ring of polytetrafluoroethylene (PTFE) cladding between 22 and piston.
Dummy piston 23 includes spring stage clip 231 and piston body, and spring stage clip 231 is located at piston body and closure 21
Between end.
Wherein, Airtight cabin：For depositing circuit board, magnetic valve 13, transformer 12, circuit board fixing rack 14, watertight
The grade electronic component of connector 16, it is ensured that the electronic component in it keeps sealing under water under high pressure.
Circuit board fixing rack 14：The center being arranged inside high pressure sealing nacelle 11, for fixing circuit board, ensure circuit
Plate is fixed position in high pressure sealing nacelle 11.
Transformer 12：Deposit in inside high pressure sealing nacelle 11, for being to be adapted to sampling bottle 2 by boat-carrying 220v voltage conversions
The 24v voltages of work.
Spacing ring 15：Close to one end of sampling bottle 2 in high pressure sealing nacelle 11, it is mainly used in fixing high-pressure solenoid valve
13 position, limitation high-pressure solenoid valve 13 arbitrarily move in high pressure sealing nacelle 11.
Magnetic valve 13：The switch that the extraneous seawater of control flows into sample storage storehouse 22, by circuit board and boat-carrying power supply,
Control system controls its opening and closing.Usually it is closed, once opening, extraneous seawater gathers entrance 26 at once by gas water
Into the sample storage storehouse 22 of negative relative.
Gas water acquisition channel：Set positioned at sample storage storehouse 22 in one end of Airtight cabin 1, gas water acquisition channel
There is check valve 27, connected with the magnetic valve 13 of the end of high pressure sealing nacelle 11.Before non-water acquisition, magnetic valve 13 is closed, gas water collection
All in vacuum state, extraneous seawater cannot be introduced into pipeline and flow into sample storage by check valve 27 for passage and sample storage storehouse 22
Hide storehouse 22；When needing water acquisition, magnetic valve 13 is opened, and gas water acquisition channel is with check valve 27 and sample storage storehouse 22 i.e. in company
Logical state, according to maximum energy criterion, extraneous water immediately passes through the passage and enters sample storage storehouse 22.
Check valve 27：The flow direction for being provided in ensureing gas water sample of check valve 27, it can be ensured that the gas water collected
Sample will not flow backwards.
Dummy piston 23：It is made up of spring stage clip 231 and piston body.Put down for adjusting the external and internal pressure of sample storage storehouse 22
Weighing apparatus, dummy piston 23 are connected by spout hole 24 with the external world, and the pressure moment is identical with the external world, before 2 times water of sampling bottle, due to
Vacuum has been pumped into sample storage storehouse 22, and piston is moved to ultimate attainment to the direction of sample storage storehouse 22, but is limited by limit point, piston
Maximum can be only moved to restraining position.In the removal process of sampling bottle 2, sample storage storehouse 22 is in higher pressure state, with piston
The continuous reduction of side external world hydraulic pressure, according to pressure adaptive equilibrium principle, dummy piston 23 slowly to away from gas water gather into
26 directions of mouth are moved, and the volume in sample storage storehouse 22 is continuously increased, and pressure gradually reduces, in addition another lateral spring stage clip 231
Effect, the external and internal pressure of sample storage storehouse 22 is maintained balancing.
Spout hole 24：Piston and the extraneous window for keeping connect, spout hole 24 cause pressure moment of piston side with outside
Boundary keeps identical.
Underwater electrical connector 16：It is that transformer 12, circuit board in high pressure sealing nacelle 11 is connected with high pressure watertight cable
Tie, be the bridge that sampling bottle 2 is connected with boat-carrying power supply.
Present invention also offers the method for utilizing described deep sea water and dissolved gas harvester to be acquired:
A. by high pressure watertight cable by the circuit system of harvester and boat-carrying power on.
B. institute's harvester is connected with boat-carrying vavuum pump by vacuum valve 25, sample storage storehouse 22 is evacuated to vacuum.
C. harvester is transferred to the designated layer locating depth of acquisition zone using boat-carrying wirerope, winch or other carrying facilities
Degree.
D. controlled by deck circuit and open magnetic valve 13, the seawater of the outside of sampling bottle 2 is by magnetic valve 13 from gas water
Gather entrance 26 to enter in sample storage storehouse 22, after gathering preset time, close magnetic valve 13, collection Sample storage is in sample
In repository 22, collection finishes；Generally default acquisition time is 2-3 minutes.
E. harvester is above carried from acquisition zone, dummy piston 23 moves automatically because of pressure differential and the elasticity of spring stage clip 231
Dynamic, the volume for changing sample storage storehouse 22 maintains the balance of the external and internal pressure of sample storage storehouse 22.
F. device is above carried to behind cabin deck, degasser is connected by vacuum valve 25, respectively by sample storage storehouse 22
Interior sample is acquired, and obtains water-soluble gaseous sample and water body example successively.
Before 2 times water of sampling bottle, it is connected by vacuum valve 25 with vavuum pump, is in advance pumped into sample storage storehouse 22 very
Sky, negative pressure is artificially produced, and directly using sample storage storehouse 22 as negative pressure cabin.
The one end of sample storage storehouse 22 seals, and the other end connects a piston that can move freely, piston opposite side installation
One suitable spring stage clip 231, and communicated by spout hole 24 with extraneous seawater, the movement of piston can expand sample storage indirectly
The space in storehouse 22 is hidden, and then realizes the safe release of pressure.During sampling bottle 2 reclaims, along with the slow of sampling bottle 2
Rise, the extraneous hydraulic pressure of sampling bottle 2 also gradually reduce therewith, according to pressure adaptive equilibrium principle, in sample storage storehouse 22
High pressure sea water sample can promote piston slightly to move, and the movement of piston expands the volume in sample storage storehouse 22, and pressure is then in storehouse
Reduce therewith.Sampling bottle 2 gradually rises, piston gradually moves, pressure gradually reduces in sample storage storehouse 22, to sample during sea
Pressure discharges completely in storehouse.The so achievable inner high voltage of safe release sample storage storehouse 22.
Deep sea water provided by the invention and dissolved gas harvester, there is provided one the inside of sampling bottle 2 to be pumped into advance
The sample storage storehouse 22 of vacuum, i.e. negative pressure cabin, the outside of sampling bottle 2 is the abyssal environment with certain high pressure, is existed between the two
Larger pressure differential, negative pressure cabin realizes intercommunication or closure with extraneous seawater by the opening and closing of magnetic valve 13, once magnetic valve 13
Open, negative pressure cabin is connected with extraneous abyssal environment, and according to maximum energy criterion, the seawater of extraneous relatively high pressure can enter phase
To in the negative pressure cabin of low pressure, so just realizing the collection of seawater.In addition, pass through polytetrafluoroethyl-ne between sample storage storehouse 22 and piston
Alkene cladding O-ring is sealed, and the seawater sample of collection can be made to realize airtight preservation.
Have the advantage that compared with prior art：
The advantage that air seal preserves：It is inadequate using stretch cord sealing structure, tightness that self-locking renovates sounding bottle
It is high, it is more difficult to the water-soluble gas for preserving retained in seawater completely is realized, and the present apparatus is using the sealing of polytetrafluoroethylene (PTFE) cladding O-ring
Mode, sealing effectiveness is more preferable, is more beneficial for the preservation of water-soluble gas in seawater sample.
The design advantage of negative pressure chamber structure：Vacuum extraction formula sounding bottle is by setting a negative pressure bucket negative to serve as in addition
Storehouse is pressed, the present apparatus is that sample storage storehouse 22 is evacuated in advance, and directly using sample storage storehouse 22 as negative pressure cabin, compared to it
Under, the structure of the present apparatus is simpler, system is more stable, design is more ingenious, and volume is more compact, operation and carries all more just
Profit.
The advantage of sample bin high pressure release embodiments：Vacuum extraction formula sounding bottle is released by hanging a balance bucket in addition
The high pressure in sample bin is put, and the present apparatus is according to pressure adaptive equilibrium principle, by piston, spring stage clip 231, spout hole
The structure designs such as 24, piston is set to change with ambient pressure and move, sample storage storehouse 22 changes volume therewith, and then realizes sample
The safe release of the pressure of repository 22.Pass through moving freely to realize the safe release of the pressure of sample storage storehouse 22 for piston.Phase
Than under, the structure of the present apparatus is simpler and safer, more stable, volume is smaller, weight is lighter, operation and carry it is more convenient.
Clean energy resource of the gas hydrates as future, global attention is extensively obtained.In the world to natural gas
The research of hydrate geochemical anomaly focus primarily upon deposit, pore water and bottom seawater hydrocarbon gas concentration it is abnormal with
And C, O isotopics and its with the relation of gas hydrates etc..Hydrocarbon gas (such as methane) and other gas in seawater
Body (such as H2S exception) is one of important logo, CH existing for identification gas hydrates4/C2H6Or C1/(C2+C3) ratio
And CH4Middle δ 13C can be used for source and the origin cause of formation for differentiating gas hydrates；The content of gas can be certain in deep sea water
Deep-sea resources reserves are identified in degree, by CH in seawater4、H2The detection of the spatial abnormal feature of the gases such as S, can be it is quick,
Efficiently detect natural gas hydrate resources to give a clue and foundation, gas studies are also current ocean in deep sea water and seawater
The advanced subject of scientific research, the seawater sample that can truly reflect gas componant composition information in situ how is rapidly collected,
It is the focus of marine technology area research in recent years, the airtight collection of deep sea water is significant.Existing conventional hydrophore
It is mostly used for gathering water sample merely, the less preservation for considering gas, the needs of the gas studies in deep sea water can not be met.Portion
Divide sounding bottle such as negative pressure extraction type sounding bottle, though the seawater for protecting gas can be collected, water sampling device and operating process are extremely complex
With it is cumbersome, be unfavorable for the Quick Acquisition of boat-carrying field sample.
The present apparatus is according to maximum energy criterion and pressure adaptive equilibrium principle, by setting Airtight cabin 1, transformation
Device 12, high pressure watertight cable, circuit board, spacing ring 15, magnetic valve 13, check valve 27, sample storage storehouse 22, dummy piston 23,
Vacuum valve 25, spring stage clip 231 etc., realize the Quick Acquisition of boat-carrying scene seawater and dissolved gas sample.Realize to depth
The airtight sampling of seawater.Device have the characteristics that size is small, weight is low, it is simple to operate, be easy to carry about with one and safeguard, this invent into
The perfect Quick Acquisition method of boat-carrying scene deep sea water and water-soluble gas of one step supplement, compensate in hydrate resource investigation
For the deficiency of live Quick Acquisition aqueous vapor chemistry abnormality mark identification, analyzed for China's Gas Hydrate In Sea Areas resource exploration
Provide necessary technical support.
More than, although the description of several embodiments of the invention, but these embodiments are intended only as example proposition
, it is not intended to limit the scope of the present invention.For these new embodiments, can be implemented in a manner of other are various,
In the range of idea of the invention is not departed from, various omissions, displacement and change can be carried out.These embodiments and its change
Shape, the invention being also contained in described in claims while being contained in scope and spirit of the present invention and its impartial model
In enclosing.
Claims (6)
1. a kind of deep sea water and dissolved gas harvester, it is characterised in that including:Airtight cabin and sampling bottle；
The sampling bottle includes closure and internal sample storage storehouse, and the end in the sample storage storehouse is provided with balance and lived
Plug, is provided with the spout hole communicated therewith in the dummy piston on the sidewalls of the cavities, in the side wall in the sample storage storehouse
Provided with the vacuum valve being in communication with the outside；
The Airtight cabin includes transformer, circuit board and the magnetic valve of high pressure sealing nacelle and inside, and the transformer is set
In the end of the high pressure sealing nacelle, its side is provided with circuit board fixing rack, and the circuit board is located at the circuit board and fixed
On frame, the other end of the high pressure sealing nacelle is provided with the magnetic valve, the magnetic valve and the circuit board fixing rack it
Between be provided with spacing spacing ring carried out to the magnetic valve, the end of the high pressure sealing nacelle is provided with underwater electrical connector；
The arrival end in the sample storage storehouse is provided with the gas water acquisition channel connected with its inner chamber, and the gas water gathers circulation passage
It is interior to be provided with check valve；The magnetic valve is connected with the gas water acquisition channel and then and sample storage storehouse connection；
One end that the high pressure sealing nacelle is connected with the sampling bottle is provided with threaded connector, the closure of the sampling bottle
It is connected by the threaded connector with the high pressure sealing nacelle；The closure of the sampling bottle gathers provided with gas water
Entrance, one end of the gas water collection entrance and ft connection, its other end connect with the magnetic valve；
Setting is closed in the end of the sampling bottle and the high pressure sealing nacelle.
2. a kind of deep sea water according to claim 1 and dissolved gas harvester, it is characterised in that the vacuum valve
Including two, the both sides of the side wall in the sample storage storehouse are respectively provided at.
3. a kind of deep sea water according to claim 1 and dissolved gas harvester, it is characterised in that the sample storage
Using the seal with O ring of polytetrafluoroethylene (PTFE) cladding between Zang Cang and piston.
4. a kind of deep sea water according to claim 1 and dissolved gas harvester, it is characterised in that the balance is lived
Plug includes spring stage clip and piston body, and the spring stage clip is between the piston body and the end of the closure.
5. the method being acquired using the deep sea water described in claim 1 and dissolved gas harvester, it is characterised in that
Comprise the following steps:
A. by high pressure watertight cable by the circuit system of the harvester and boat-carrying power on；
B. institute's harvester is connected with boat-carrying vavuum pump by the vacuum valve, the sample storage storehouse is evacuated to very
It is empty；
C. facility is carried using boat-carrying to transfer the harvester to the designated layer bit depth of acquisition zone；
D. the magnetic valve is opened by the control of deck circuit, the seawater outside the sampling bottle is by the magnetic valve from described
Gas water collection entrance enters in the sample storage storehouse, after gathering preset time, closes the magnetic valve, gathers Sample storage
In sample storage storehouse, collection finishes；
E. the harvester is above carried from acquisition zone, the dummy piston automatically moves because of pressure differential and stage clip elasticity, changes
The volume for becoming the sample storage storehouse maintains the balance of sample storage storehouse external and internal pressure；
F. device is above carried to behind cabin deck, degasser is connected by the vacuum valve, respectively by the sample storage storehouse
Interior sample is acquired, and obtains water-soluble gaseous sample and water body example successively.
6. acquisition method according to claim 4, it is characterised in that in step d, the collection preset time is 2-3 points
Clock.
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| CN201711084697.5A CN107817131B (en) | 2017-11-07 | 2017-11-07 | Deep sea water and dissolved gas collecting device and method |
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| CN108341453A (en) * | 2018-04-03 | 2018-07-31 | 崔义 | A kind of Portable seawater vacuum outgas bottle |
| CN109085018A (en) * | 2018-08-21 | 2018-12-25 | 上海海洋大学 | A kind of ship ballast water sample acquisition device |
| CN109443840A (en) * | 2018-09-12 | 2019-03-08 | 中国科学院南海海洋研究所 | Automatic pressure-maintaining water fetching device in situ |
| CN109611059A (en) * | 2018-11-02 | 2019-04-12 | 广州海洋地质调查局 | A kind of hydrate environment simulator |
| CN109632403A (en) * | 2018-12-06 | 2019-04-16 | 成都华科阀门制造有限公司 | A kind of gas collecting device |
| CN110641657A (en) * | 2019-08-23 | 2020-01-03 | 冯鑫 | Deep sea robot of crawling |
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| CN111732058A (en) * | 2020-08-01 | 2020-10-02 | 河南方舟医疗器械有限公司 | Liquid split charging bottle, split charging device using same and split charging method |
| CN112255020A (en) * | 2020-10-21 | 2021-01-22 | 自然资源部第一海洋研究所 | Long column sampler in deep sea convenient to have sample guard action |
| CN112763467A (en) * | 2020-12-28 | 2021-05-07 | 中国科学院合肥物质科学研究院 | Underwater dissolved gas in-situ detection device and detection method thereof |
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| CN111732058A (en) * | 2020-08-01 | 2020-10-02 | 河南方舟医疗器械有限公司 | Liquid split charging bottle, split charging device using same and split charging method |
| CN111732058B (en) * | 2020-08-01 | 2024-04-16 | 河南方舟医疗器械有限公司 | Liquid split charging bottle, split charging device using liquid split charging bottle and split charging method |
| CN113532938A (en) * | 2020-09-24 | 2021-10-22 | 中国地质科学院岩溶地质研究所 | Deep hole in-situ sampling equipment |
| CN112255020B (en) * | 2020-10-21 | 2022-07-19 | 自然资源部第一海洋研究所 | Long column sampler in deep sea convenient to have sample guard action |
| CN112255020A (en) * | 2020-10-21 | 2021-01-22 | 自然资源部第一海洋研究所 | Long column sampler in deep sea convenient to have sample guard action |
| CN112763467A (en) * | 2020-12-28 | 2021-05-07 | 中国科学院合肥物质科学研究院 | Underwater dissolved gas in-situ detection device and detection method thereof |
| CN114354271A (en) * | 2021-12-02 | 2022-04-15 | 浙江大学 | Deep sea multi-path high spatial resolution water sampler carried on ROV |
| CN114354271B (en) * | 2021-12-02 | 2023-09-19 | 浙江大学 | Deep sea multi-channel high-spatial resolution water sampler carried on ROV |
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