CN208383510U - The long-term in-situ sampling of pore water and analytical equipment - Google Patents
The long-term in-situ sampling of pore water and analytical equipment Download PDFInfo
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- CN208383510U CN208383510U CN201821086138.8U CN201821086138U CN208383510U CN 208383510 U CN208383510 U CN 208383510U CN 201821086138 U CN201821086138 U CN 201821086138U CN 208383510 U CN208383510 U CN 208383510U
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Abstract
The utility model discloses a kind of long-term in-situ sampling of pore water and analytical equipments, wherein, the long-term in-situ sampling of pore water and analytical equipment include bracket, probe, elevator, part flow arrangement, the first water storage device, the second water storage device, peristaltic pump, pore water gas content analytical equipment and in situ environment parameter measuring apparatus；The utility model can acquire in situ, for a long time, at times and store Sediment Pore Water, and experimental results error is small.
Description
Technical field
The utility model relates to seabed pore water acquisition technique field more particularly to a kind of long-term in-situ sampling of pore water and
Analytical equipment.
Background technique
Pore water refers to underground water of the main preservation in unconsolidated sediment inter-granular porosity.The hole of seabed superficial deposit
Retain a large amount of useful information in gap water, it can be according to CH in sample4、H2The gases such as S and Cl-、SO4 2-The exception of plasma and its point
Cloth feature, measuring and calculating submarine methane leak flux, provide fast and efficiently for natural gas hydrate resources exploration and environmental evaluation
Geochemistry evidence.
However, hydrate pilot production or exploitation will necessarily change the occurrence status of hydrate layer methane, to influence methane
Upward Migration mark and its flux.Under the methane oxidation effect of microorganism, the chemical property of the earth in pore water can be rung rapidly
Answer the variation on this methane Migration mark and flux.Therefore, the Geochemical Characteristics of pore water can also be used to assessment hydration
Variation that object pilot production or exploitation front and back are balanced using methane as the variation of the carbon cycle of core, elemental substance, seabed is oxygen-containing or anoxic
The variation of degree, and the pilot production of overall merit hydrate or exploitation front and back are ultimately used on influence caused by environment, to assess water
The home to return to tracer of the area He Wu sea-bottom deposit interface methane and its potential impact to environment inquire into hydrate pilot production to hydrate formation region
The influence of carbon cycle process provides most direct GEOCHEMICAL EVIDENCE.
There are mainly two types of pore water sampling and analyzing device for small-sized in the prior art: first is that will first be sunk with gravity piston sampler
Product object sample collects on scientific investigation ship, then extracts or squeeze out pore water in laboratory.This method be under conventional environment into
Capable, due to Temperature-pressure Conditions acute variation, it may occur however that the gas escape and ingredient oxidation being dissolved in Sediment Pore Water
Etc. physicochemical changes, acquire pore water again at this time and carry out the test such as Water Soluble Gas, as a result there is very big error.Second is that pore water is former
Position extraction element, the pore water by external hydrostatic pressure official post difference sedimentary position in acquisition device, which enters in collector, mostly completes
Acquisition, but its obtain be certain period pore water, be an instantaneous data, it is no it is in situ, long-term, acquire and store up at times
Deposit the ability of Sediment Pore Water.
Utility model content
For overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of long-term in-situ samplings of pore water
And analytical equipment, experimental results error can be solved simultaneously greatly and without original position, long-term acquisition and the energy for storing Sediment Pore Water
The problem of power.
In order to achieve the above object, technical solution used by the utility model is as follows:
A kind of long-term in-situ sampling of pore water and analytical equipment, including bracket, probe, elevator, part flow arrangement, first
Water storage device, the second water storage device, peristaltic pump, pore water gas content analytical equipment and in situ environment parameter measuring apparatus,
The elevator is fixed with bracket, and the elevator is equipped with sliding rail, is connected with sliding block on the probe, the probe with
The elevator is connected by sliding block with the cooperation of sliding rail, and motor is equipped at the top of the elevator, and the motor passes through
Driving assembly drives the sliding block to slide along the length direction of the sliding rail；The part flow arrangement is set to the upper of the probe
Side, and fixed with the bracket；First water storage device is connect with the part flow arrangement by first pipe；Second storage
Water installations are set to the top of the probe, and are connect with the probe by second pipe；The peristaltic pump respectively with it is described
Second water storage device is connected with part flow arrangement by flexible connectedness；The pore water gas content analytical equipment and the original position
Environmental parameter measuring device passes through third pipeline respectively and connect with the part flow arrangement.
Preferably, the long-term in-situ sampling of the pore water and analytical equipment further include central control system, the electricity of elevator
Machine, peristaltic pump, pore water gas content analytical equipment and in situ environment parameter measuring apparatus are electrically connected with central control system,
The central control system is for controlling motor, peristaltic pump, pore water gas content analytical equipment and in situ environment parameter measurement dress
The working condition set, so that probe is inserted into shallow marine sediment with scheduled time and/or time interval, it will by peristaltic pump
Pore water in probe passes sequentially through the second water storage device, part flow arrangement is extracted to the first water storage device, pore water gas content
In analytical equipment and in situ environment parameter measuring apparatus.
Preferably, the long-term in-situ sampling of the pore water and analytical equipment further include release, anchor chain and counterweight anchor
Block, the release is set to the stent outer, and fixes with the bracket；The counterweight anchor block is set to the release
Lower section, and removably connect with the release by anchor chain；The frame upper wraps up buoyant material.The release
Device is located at the research vessel of the water surface or the recycling control signal of platform transmission for receiving, controls signal, release according to the recycling
The counterweight anchor block.
Preferably, the long-term in-situ sampling of the pore water and analytical equipment further include central control system and underwater acoustic communication dress
It sets, underwater acoustic communication device, release, the motor of elevator, peristaltic pump, pore water gas content analytical equipment and ring in situ
Border parameter measuring apparatus is electrically connected with central control system；The underwater acoustic communication device, for analyzing pore water gas content
The data of device and in situ environment parameter measuring apparatus are sent to research vessel or platform.
Preferably, first water storage device is multiple first water tanks, and multiple first water tanks are around the shunting
It is distributed within device one week；Second water storage device is multiple second water tanks, and multiple second water tanks pass through second respectively
Pipeline is connect with the probe.
Preferably, the probe is made of five parts, and the pore water of five layer positions is extracted in five parts respectively；Described
Two water storage devices are five the second water tanks, and five second water tanks pass through five of second pipe and the probe respectively
Part connects.
It preferably, further include battery compartment, the battery compartment is fixedly connected with the bracket.
Compared with prior art, the utility model has the beneficial effects that:
The long-term in-situ sampling of pore water described in the utility model and analytical equipment can the long-term same stations in continuous acquisition deep-sea
Position shallow marine sediment pore water, and pressure maintaining storage measures each ion in pore water with rear progress lab analysis to be recycled
The geochemical informations such as content；Meanwhile quickly analysis in situ can be carried out to gas content feature in pore water static headspace gas, and pass through
Underwater acoustic communication machine sends back to the water surface.
Detailed description of the invention
Fig. 1 is the external overall structure diagram of the long-term in-situ sampling of pore water described in the utility model and analytical equipment；
Fig. 2 is schematic diagram of internal structure in Fig. 1；
Fig. 3 is the portion the A enlarged diagram in Fig. 2；
Fig. 4 is the second water storage device schematic diagram of internal structure in Fig. 2；
Fig. 5 is the work flow diagram of pore water described in the utility model long-term in-situ sampling and analytical equipment.
In figure: 1- bracket；2- probe；3- elevator；4- part flow arrangement；The first water storage device of 5-；The second water storage of 6- dress
It sets；61- tank body；62- water inlet pipe；63- piston；The interim water chamber of 64-；65- outlet pipe；66- spring；7- peristaltic pump；8- hole
Water gas content analysis device；9- in situ environment parameter measuring apparatus；10- motor；11- hose；12- release；13- anchor chain；
14- counterweight anchor block；15- buoyant material；16- battery compartment.
Specific embodiment
In the following, being described further in conjunction with attached drawing and specific embodiment to the utility model: as shown in Figures 1 to 3,
The long-term in-situ sampling of pore water described in the utility model and analytical equipment, including bracket 1, probe 2, shunt dress at elevator 3
Set the 4, first water storage device 5, the second water storage device 6, peristaltic pump 7, pore water gas content analytical equipment 8 and in situ environment ginseng
Number measuring device 9, wherein elevator 3 and bracket 1 are fixed, and the elevator 3 is equipped with sliding rail, connect on the probe 2
There is sliding block, sliding block is located at the upper outside wall of probe, and the probe 2 passes through the cooperation of sliding block and sliding rail with the elevator 3
And connect, motor 10 is connected at the top of the elevator 3；The motor drives the sliding block along the cunning by driving assembly
The length direction of rail slides, and driving assembly here can be gear set or pulley blocks, and driving assembly is connect with probe or sliding block.
In this way, motor 10 drives elevator to go up and down by driving assembly, so that probe 2 be driven to go up and down.
The part flow arrangement 4 is set to the top of the probe 2, and fixed with the bracket 1；First water storage device
5 are connect with the part flow arrangement 4 by first pipe；Second water storage device 6 is set to the top of the probe 2, and with
The probe 2 is connected by second pipe；The peristaltic pump 7 passes through with second water storage device 6 and part flow arrangement 4 soft respectively
Property connectedness connection, in the embodiment of Fig. 1 to 3, the flexible connectedness be hose 11；The pore water gas content point
Analysis apparatus 8 and the in situ environment parameter measuring apparatus 9 are connect by third pipeline with the part flow arrangement 4 respectively.
In this way, probe 2 is inserted into sea-bottom surface deposit using elevator 3, peristaltic pump 7 is opened, peristaltic pump 7 makes
It obtains and forms negative pressure inside the second water storage device, so that the spring-compressed (see Fig. 4) inside the second water storage device, when closing peristaltic pump
When, spring will restore, and spring force to form negative pressure inside the second water storage device, to extract pore water.Due to visiting
The second water storage device 6 is provided at the top of needle 2, therefore, under the action of peristaltic pump 7, the second water storage device 6 extract pore water to
Upper movement, into part flow arrangement 4,4 one side of part flow arrangement grows a part of the first water storage device of pore moisture dispensing 5
Phase storage；On the other hand, part flow arrangement 4 is by another part pore moisture dispensing pore water gas content analytical equipment 8 and in situ
Environmental parameter measuring device 9 is analyzed and is measured.
It should be understood that as shown in figure 4, the second water storage device 6 is made of five the second water tanks (see Fig. 2), wherein
The structure of each second water tank includes tank body 61 and the water inlet pipe being set to inside tank body 61 62, piston 63, interim water
Chamber 64, outlet pipe 65 and spring 66, wherein 62 one end of water inlet pipe passes through 61 bottom of tank body, and fixes with 61 bottom of tank body, separately
One end is connect with piston 63, and through-hole is arranged among piston 63, and the through-hole of piston 63 is corresponding with the through-hole of water inlet pipe 62.Piston 63
It is set in interim water chamber 64, interim water chamber 64 can move up and down outside piston 63 relative to piston 63.Outlet pipe 65
One end be connected to interim water chamber 64 and with it is fixed at the top of interim water chamber 64, the other end pass through 61 top of tank body and with wriggling
7 connection of pump, spring 66 are set in 64 outer wall of water inlet pipe 62 and interim water chamber, consolidate at the top of 66 upper end of spring and interim water chamber 64
It is fixed.
In this way, the pore water stored in interim water chamber 64 is first discharged, pressure reduction, shape after peristaltic pump 7 is started to work
At negative pressure, spring 66 is compressed.Interim water chamber 64 moves down outside piston 63, and the cavity of interim water chamber 64 becomes smaller.
After peristaltic pump 7 stops working, spring 66 will be restored, and the cavity of interim water chamber 64 has the tendency that becoming larger, interim water
The inside cavity pressure of chamber 64 is lower, and pore water enters in interim water chamber from water inlet pipe, so recycles, so that it may extraction aperture
Gap water.
In the embodiment shown in Fig. 1 to 3, the long-term in-situ sampling of the pore water and analytical equipment further include middle control
System, motor 10, peristaltic pump 7, pore water gas content analytical equipment 8 and the in situ environment parameter measurement dress of elevator 3
It sets 9 to be electrically connected with central control system, the central control system is for controlling motor 10, peristaltic pump 7, the analysis of pore water gas content
The working condition of device 8 and in situ environment parameter measuring apparatus 9, so that probe 2 is inserted with scheduled time and/or time interval
Enter in shallow marine sediment, the pore water in probe 2 is passed sequentially through by the second water storage device 6, part flow arrangement 4 by peristaltic pump 7
It extracts into the first water storage device 5, pore water gas content analytical equipment 8 and in situ environment parameter measuring apparatus 9.In Fig. 1
Into embodiment shown in 3, as shown in Figure 1, the long-term in-situ sampling of the pore water and analytical equipment, further include release
12, anchor chain 13 and counterweight anchor block 14, the release 12 are set to 1 outside of bracket, and fixed with the bracket 1；It is described
Counterweight anchor block 14 is set to the lower section of the release 12, and is removably connect by anchor chain 13 with the release 12；Institute
State 1 top of bracket package buoyant material 15.The release 12 is located at the research vessel of the water surface or returning for platform transmission for receiving
Control signal is received, signal is controlled according to the recycling, discharges the counterweight anchor block 14.The release 12 of the present embodiment can be selected
French IXBLUE；Specifications and models: the acoustic releaser of 2500 S-Universal of Oceano, the acoustic releaser have wireless
Communication module, can be with the research vessel or platform direct communication of the water surface.
In the embodiment shown in Fig. 1 to 3, the long-term in-situ sampling of the pore water and analytical equipment further include middle control system
System and underwater acoustic communication device (not shown), underwater acoustic communication device, release 12, the motor 10 of elevator 3, peristaltic pump 7,
Pore water gas content analytical equipment 8 and in situ environment parameter measuring apparatus 9 are electrically connected with central control system；The underwater sound
Communication device, for the data of pore water gas content analytical equipment and in situ environment parameter measuring apparatus to be sent to investigation
Ship or platform.
In this way, the long-term in-situ sampling of 14 pore water of counterweight anchor block and analysis will be had first when needing to acquire pore water
Device puts into seabed, and the weight of counterweight anchor block 14 provides underwater negative buoyancy force, and due to counterweight anchor block provide in water it is negative floating
Power is greater than the positive buoyancy that buoyant material provides, thus, so that the long-term in-situ sampling of pore water and analytical equipment is seated seabed, carries out
Acquire pore water.And after having acquired, that is, when recycling, when the recycling that release 12 receives the water surface controls signal, release
12 release counterweight anchor blocks 14, then, the long-term in-situ sampling of pore water and analytical equipment after discharging counterweight anchor block are using on bracket 1
The underwater positive buoyancy that the buoyant material 15 of portion's package provides completes recycling of floating.
In Fig. 1 into embodiment shown in Fig. 3, first water storage device 5 is multiple first water tanks, multiple described the
One water tank was distributed around the part flow arrangement 4 one weeks；Second water storage device 6 is multiple second water tanks, multiple described the
Two water tanks pass through second pipe respectively and connect with the probe.In this way, can make part flow arrangement simultaneously by extraction
Multiple first water tanks of pore moisture dispensing；Also multiple second water tanks can be used while extracting the hole of multiple and different layers of position
Water.Therefore, it increases working efficiency and facilitates subsequent laboratory research.
In Fig. 1 into embodiment shown in Fig. 3, the probe 2 is made of five parts, and five parts extract five respectively
The pore water of layer position；Second water storage device 6 is five the second water tanks, and five second water tanks pass through second respectively
Pipeline is connect with five parts of the probe.In this way, five the second water tanks extract the pore water of five layer positions respectively, for
The subsequent pore water to each layer of position in seabed is studied, and setting in this way is also to provide for follow-up study conveniently.
It should be understood that the second water tank is five, five second water tanks extract five different layers positions respectively
Pore water, five the second water tanks are connect by five hoses with peristaltic pump.Peristaltic pump 7 is by five hoses and shunts dress
Set connection.First water tank is multiple, and setting five stores the cabin of five layer position pore waters respectively in each first water tank
Body.The cabin of five layer position pore waters passes through five first pipes respectively and five hoses of part flow arrangement connect, and just makes in this way
It is corresponding with five the second water tanks to obtain five cabins.Therefore, five cabins just store five the second water tanks respectively and extract spy
The pore water of five parts of needle.
It further include battery in Fig. 1 to the long-term in-situ sampling of pore water as described in the examples shown in Fig. 3 and analytical equipment
Storehouse 16, the battery compartment 16 are fixedly connected with the bracket 1.Battery compartment 16 is used to whole device and provides power source.
It should be understood that be provided with the lithium electricity battery pack of large capacity in battery compartment, battery compartment and lithium battery group composition
Power supply system provides required electric power for central control system, to meet the long-term in-situ sampling of pore water and analytical equipment measures for a long time
It is required that
Therefore, as a whole, the long-term in-situ sampling of pore water and analytical equipment are by central control system, acquisition system and auxiliary
System composition.
Wherein, central control system consists of two parts, and one, control system are responsible for controlling data sampling time sequence and store number
According to, secondly, power supply system then provide required electric power using deep-sea high-capacity lithium battery group for whole device, long-term measurement should be met
Demand.
Wherein, acquisition system includes pore water acquisition system part and in-situ measurement system part.The pore water acquisition
System is for acquiring pore water and stored sample；Pore water acquisition system is the core of whole device, is inserted a probe into shallow
In surface deposit, extract Sediment Pore Water using negative pressure: wriggling pump motor is opened, and is formed negative pressure and is caused spring pressure
Contracting, spring force form negative pressure and extract pore water again.The device can extract the pore water of different sedimentary positions, and the difference that will acquire
Period, the hole water sample sub-bottle of different sedimentaries position, pressure maintaining store, can be in laboratory to the hole of storage after equipment recycling
Gap water sample carries out analysis test, obtains Cl-、SO4 2-The exception and its distribution characteristics of plasma.Extract pore water when, probe by
Micro-machine manipulates elevator control lifting, is inserted into bottom sediment about 0.5~1m depth, extracts 5 respectively not
The pore water of same layer position is withdrawn after extraction.Wherein, insertion depth presses actual demand, is such as inserted into 0.5m, then 5 layer positions point
It Wei not 0~0.1m, 0.1~0.2m, 0.2~0.3m, 0.3~0.4m and 0.4~0.5m；It is such as inserted into 1.0m, then 5 layer position difference
For 0~0.2m, 0.2~0.4m, 0.4~0.6m, 0.6~0.8m and 0.8~1.0m.
The in-situ measurement system is used to measure gas content in the air of pore water, in gas carbon isotope ratio and
The subsea environment parameter of pore water acquisition erect-position.In-situ measurement system is then divided into two parts again, and one is pore water gas content
Measuring device, using gas analyzer (such as model are as follows: U.S. Picarro G2201-i isotope analysis instrument), under water
Original position is to gas content (mainly CH in the pore water static headspace gas of acquisition4、CO2) and gas in carbon isotope ratio surveyed
Examination；The other is " in situ environment parameter measuring apparatus " then passes through the sewater chemistries sensor such as thermohaline is deep (such as model are as follows: the U.S.
Seabird 16 Plus V2 or Seabird 37), the subsea environment parameter of hole hydromining collection erect-position is acquired, including temperature
Degree, salinity, pressure, dissolved oxygen etc. can provide basic environment data for pore water signature analysis.
Wherein, auxiliary system includes recovery system and Underwater Acoustic Communication System；The recovery system is acquired for gas recovery
Device, the Underwater Acoustic Communication System are used to the data of acquisition sending back to the water surface.Recovery system ensures that entire pore water is in situ for a long time
The smooth recycling of sampling and analyzing device for small-sized, using chain structure or the anchor block of hawser connection acoustic releaser and counterweight, when dispensing,
There is provided underwater negative buoyancy force by the weight of counterweight anchor block makes acquisition device be sitting in seabed；It is released on research vessel using acoustics when recycling
It puts device deck unit and sends instruction, release is enabled to abandon counterweight anchor block, the underwater positive buoyancy provided using buoyant material or floating ball
Complete recycling of floating；
The Underwater Acoustic Communication System of data can be by the number of acquisition by the acoustic communication module of underwater acoustic communication machine or release
According to sending back on water surface research vessel or platform, researcher can quickly, acquisition data quasi real time, to be provided for further work
With reference to and suggest.
As shown in figure 5, the workflow of pore water long-term in-situ sampling and analytical equipment described herein are as follows:
High-capacity lithium battery is control system power supply, and elevator of the control system control with sliding rail starts, to make
It obtains the decentralization of pore water probe to be inserted into the deposit in seabed, the hole of five different layers positions is extracted in five parts of probe respectively
Water, the pore water of extraction flow into part flow arrangement, part flow arrangement on the one hand by a part of the first water tank of pore moisture dispensing,
Thus achieved the purpose that at times, layering position save, the pore water in the first water tank carries out for laboratory to ion
Content is analyzed and is tested；On the other hand, part flow arrangement is the pore moisture dispensing in-situ study test device of another part,
Including pore water gas content analytical equipment and in situ environment parameter measuring apparatus, pore water gas content analytical equipment is used
Air gas content and carbon isotope ratio are determined to measure, and in situ environment parameter measuring apparatus is used to acquire erect-position subsea environment ginseng
Number (including temperature, salinity, dissolved oxygen etc.), then, in the controls by the data storage measured, control system passes through water again
Acoustic communication module transfers data on ship or on platform, studies for people.
The application also provides a kind of long-term in-situ sampling of pore water and analysis method, includes the following steps:
Step 1: the acquisition of pore water, inserts a probe into shallow marine sediment, pore water is extracted using negative pressure:
Wriggling pump motor is opened, and is formed negative pressure and is caused the spring-compressed inside the second water storage device, spring force forms negative pressure extraction aperture again
Gap water.
Step 2: the storage and analysis of pore water, the different periods that will acquire, different sedimentaries position hole water sample point
Bottle, pressure maintaining storage, after equipment recycling, in laboratory, the pore water to storage carries out analysis test, obtains Cl-、SO42-Ion
Exception and its distribution characteristics.
Step 3: the in situ measurement of pore water, in situ to acquisition under water using pore water gas content analytical equipment
CH in pore water static headspace gas4And CO2Carbon isotope ratio is tested in gas content and gas；Use in situ environment parameter
Measuring device is acquired the environmental parameter of hole hydromining collection erect-position, including temperature, salinity, pressure and dissolved oxygen, is hole
Water signature analysis provides basic environment data.
Step 4: the data of acquisition are sent back to water surface research vessel or are put down by the underwater communication of data by underwater acoustic communication device
On platform, researcher obtains data.
Step 5: the recycling of pore water long-term in-situ sampling and analytical equipment, when dispensing, mentioned by the weight of counterweight anchor block
The long-term in-situ sampling of pore water and analytical equipment is set to be sitting in seabed for underwater negative buoyancy force；When recycling, release receives the tune of the water surface
The recycling control signal that ship or platform are sent is looked into, release discharges counterweight anchor block according to recycling control signal；Discharge counterweight anchor block
The long-term in-situ sampling of pore water afterwards and analytical equipment are completed to float using the underwater positive buoyancy that buoyant material provides to be recycled.
Therefore, the long-term in-situ sampling of pore water described in the utility model and analytical equipment can long-term continuous acquisition deep-sea it is same
One erect-position shallow marine sediment pore water, and the storage of pressure maintaining at times measures hole with rear progress lab analysis to be recycled
The geochemical informations such as each ion concentration in water；Meanwhile gas content feature in pore water static headspace gas can be carried out in situ quick
Analysis, and the water surface is sent back to by underwater acoustic communication machine.
Finally, it should be understood that different periods refer to, under the long-term in-situ sampling of pore water and analytical equipment are launched
It goes, such as: every month, acquisition was primary, acquired the pore water of 5 layer positions simultaneously every time.When storage, 5 layer positions of first month
Water have together that (because the amount of pore water is seldom, so can divide 5 cabins inside each first water tank, storage is different respectively
The pore water of layer position), the water of second month stores together, and so on, just reach the pore water of storage different periods.
Long-term continuous acquisition refers to: such as: the long-term in-situ sampling of pore water and analytical equipment being placed on seabed 6 months, so
Afterwards every the pore water of acquisition in 1 month.It is to be acquired to the pore water of seabed same point, and having time is successive in this way
Sequentially, the consecutive variations of hole water content can be observed, and then study the variation of this section of time environment.
It will be apparent to those skilled in the art that can make various other according to the above description of the technical scheme and ideas
Corresponding change and deformation, and all these changes and deformation all should belong to the protection of the utility model claims
Within the scope of.
Claims (7)
1. a kind of long-term in-situ sampling of pore water and analytical equipment, which is characterized in that including bracket, probe, elevator, shunting
Device, the first water storage device, the second water storage device, peristaltic pump, pore water gas content analytical equipment and in situ environment parameter
Measuring device,
The elevator is fixed with bracket, and the elevator is equipped with sliding rail, is connected with sliding block, the spy on the probe
Needle is connect with the elevator by the cooperation of sliding block and sliding rail, and motor, the motor are equipped at the top of the elevator
The sliding block is driven to slide along the length direction of the sliding rail by driving assembly；
The part flow arrangement is set to the top of the probe, and fixes with the bracket；
First water storage device is connect with the part flow arrangement by first pipe；
Second water storage device is set to the top of the probe, and is connect with the probe by second pipe；
The peristaltic pump is connect with second water storage device and part flow arrangement by flexible connectedness respectively；
The pore water gas content analytical equipment and the in situ environment parameter measuring apparatus pass through third pipeline and institute respectively
State part flow arrangement connection.
2. the long-term in-situ sampling of pore water according to claim 1 and analytical equipment, which is characterized in that further include middle control system
System, motor, peristaltic pump, pore water gas content analytical equipment and the in situ environment parameter measuring apparatus of elevator are in
Control system is electrically connected, and the central control system is for controlling motor, peristaltic pump, pore water gas content analytical equipment and original position
The working condition of environmental parameter measuring device, so that probe is inserted into shallow marine sediment with scheduled time and/or time interval
In, the pore water in probe is passed sequentially through by the second water storage device by peristaltic pump, part flow arrangement extract to the first water storage device,
In pore water gas content analytical equipment and in situ environment parameter measuring apparatus.
3. the long-term in-situ sampling of pore water according to claim 1 and analytical equipment, which is characterized in that further include release
Device, anchor chain and counterweight anchor block,
The release is set to the stent outer, and fixes with the bracket；
The counterweight anchor block is set to the lower section of the release, and is removably connect by anchor chain with the release；
The frame upper wraps up buoyant material；
The release is located at the research vessel of the water surface or the recycling control signal of platform transmission for receiving, according to the recycling
Signal is controlled, the counterweight anchor block is discharged.
4. the long-term in-situ sampling of pore water according to claim 1 and analytical equipment, which is characterized in that further include middle control system
System and underwater acoustic communication device, underwater acoustic communication device, the motor of elevator, peristaltic pump, pore water gas content analytical equipment with
And in situ environment parameter measuring apparatus is electrically connected with central control system；
The underwater acoustic communication device, for by the number of pore water gas content analytical equipment and in situ environment parameter measuring apparatus
According to being sent to research vessel or platform.
5. the long-term in-situ sampling of pore water according to claim 1 and analytical equipment, which is characterized in that first water storage
Device is multiple first water tanks, and multiple first water tanks were distributed around the part flow arrangement one week；The second water storage dress
Multiple second water tanks are set to, multiple second water tanks pass through second pipe respectively and connect with the probe.
6. the long-term in-situ sampling of pore water according to claim 1 and analytical equipment, which is characterized in that the probe is by five
A part composition, the pore water of five layer positions is extracted in five parts respectively；Second water storage device is five the second water tanks,
Five second water tanks pass through second pipe respectively and connect with five parts of the probe.
7. the long-term in-situ sampling of pore water according to claim 1 and analytical equipment, which is characterized in that further include battery
Storehouse, the battery compartment are fixedly connected with the bracket.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108645668A (en) * | 2018-07-09 | 2018-10-12 | 广州海洋地质调查局 | The long-term in-situ sampling of pore water and analytical equipment and its method |
| CN109883757A (en) * | 2019-02-28 | 2019-06-14 | 自然资源部第二海洋研究所 | Coastal ocean water and sediment sampling structure and its sampling method |
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2018
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108645668A (en) * | 2018-07-09 | 2018-10-12 | 广州海洋地质调查局 | The long-term in-situ sampling of pore water and analytical equipment and its method |
| CN109883757A (en) * | 2019-02-28 | 2019-06-14 | 自然资源部第二海洋研究所 | Coastal ocean water and sediment sampling structure and its sampling method |
| CN109883757B (en) * | 2019-02-28 | 2021-04-06 | 自然资源部第二海洋研究所 | Offshore marine water quality and sediment sampling structure and sampling method thereof |
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