CN102221485B - Submarine sediment interstitial water in-situ acquisition system - Google Patents
Submarine sediment interstitial water in-situ acquisition system Download PDFInfo
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- CN102221485B CN102221485B CN 201110094166 CN201110094166A CN102221485B CN 102221485 B CN102221485 B CN 102221485B CN 201110094166 CN201110094166 CN 201110094166 CN 201110094166 A CN201110094166 A CN 201110094166A CN 102221485 B CN102221485 B CN 102221485B
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Abstract
The invention relates to a submarine sediment interstitial water in-situ extraction system, which can realize the long-term continuous in-situ layered acquisition of sediment interstitial water samples. The system consists of a lifting joint, floating balls, a bracket, releasers, fluid acquirers, connecting parts and a layered penetration connecting elements, wherein the lifting joint is positioned above the bracket; the layered penetration connecting element is positioned below the bracket, and is formed by assembling penetration connecting elements and filtering rings; the filtering rings are arranged between the connecting parts; sampling ports of each filtering ring are connected with the fluid acquirers by pipelines respectively; and the fluid acquirers, the releasers and the floating balls are arranged on the bracket respectively. After sampling is finished, a releaser deck unit transmits a releasing instruction to the releasers on board to separate the fluid acquirers from an in-situ layered penetration part, and the fluid acquirers float up to the sea surface for recycling. The system realizes the long-term continuous in-situ layered acquisition of sediment interstitial water, and can continuously acquire time sequence samples of a year by once deployment and recycling operation.
Description
Technical field
The invention belongs to the technical field of detection of material or object, be specifically related to a kind of marine bottom sediment interstitial water in-situ acquisition system.
Background technology
In the ocean, the particulate matter in water column is deposited to the seabed and forms in the sedimental process, and the part seawater will reside in the space between the sedimentary particle, forms sediment interstitial water.The physicochemical characteristic of marine bottom sediment interstitial water is the concentrated expression of various processes in the sediment, interstitial water research can be the relevant process in understanding seabed important window is provided, and therefore, has carried out the research of a large amount of relevant sediment interstitial waters both at home and abroad.Increasing data shows that not only there is the variation on the space in the process that takes place in the marine bottom sediment, also has time dependent characteristic.And obtain the high-quality time series sample of marine bottom sediment interstitial water, become one of key factor that discloses these change in time and space effectively.
The acquisition method of marine bottom sediment interstitial water can be divided into two types: the one, gather sediment sample earlier, and utilize centrifuge method or milling process to obtain the interstitial water in the sediment again; The 2nd, gather sediment interstitial water in position.Centrifugal or squeeze operating process; May bring the variation of the sediment interstitial water self that pollutes and cause because of changes in environmental conditions; The interstitial water that method obtained of therefore centrifugal or squeezing often can not fine reaction original position situation, and can not obtain the time series sample.Utilize cavity to realize in-situ acquisition sediment interstitial water, and realized the layering collection of original position, but each operation also can only be gathered a sample to a sampling horizon, can not carry out the time series sample collecting of same position in the seabed.
Summary of the invention
The object of the present invention is to provide a kind of marine bottom sediment interstitial water in-situ acquisition system, can realize original position, long-term, continuous, layering collection sediment interstitial water.The system that specifically comprises formations such as long-term continuous acquisition device of fluid and interstitial water in-situ layering infiltration parts.
Marine bottom sediment interstitial water in-situ acquisition system of the present invention; Form by suspension centre 1, ball float 2, support 3, release 4, fluid acquisition device 5, link 6 and layering infiltration web member 7; Wherein: suspension centre 1 is positioned at support 3 tops, and layering infiltration web member 7 is positioned at support 3 belows; Layering infiltration web member 7 is assembled with filtering ring by the infiltration web member, penetrates into quilt and is gathered thereby its function is to insert the interstitial water in-situ that makes the different layers position in the sediment; Filtering ring is installed between the link 6; The thief hatch of each filtering ring links to each other with fluid acquisition device 5 through pipeline respectively; Fluid acquisition device 5 is made up of osmotic pump and elongated sample pipe, can be in the seabed automatically long-term continuous acquisition fluid sample, and the fluid sample of collection is kept in the elongated sample pipe; Fluid acquisition device 5, release 4 and ball float 2 are installed on respectively on the support 3; Release 4 one ends connect support 3, and the other end connects layering infiltration web member 7, after long-term sampling is accomplished; Aboard ship send to release 4 and release order with unit, release deck; Release 4 discharges, and the support 3 that fluid acquisition device 5 is installed is separated with original position layering infiltration parts 7, carries fluid acquisition device 5 come-ups and reclaims to the sea.
The present invention has realized the marine bottom sediment interstitial water is carried out the long-term continuous stratification collection of original position, but once throws in and reclaim the operation continuous acquisition to the time series sample that reaches 1 year.
Among the present invention, said layering infiltration web member 7 adopts web member to be assembled, and the assembly layer spacing has 100mm, 300mm and three kinds of specifications of 500mm.
Among the present invention, the said branch infiltration web member 7 terminal variable-diameter structure that adopt divide infiltration web member 7 external diameters to carry out the transition to 50mm from 87mm.
The course of work of the present invention is following: (1) is on research ship; This sampling system is assembled; Collector and release that needs are reclaimed are assemblied on the support, and with ball float support are configured to that buoyancy is greater than gravity in seawater, and support permeates parts with layering and is connected through release; (2) in the work sea area, this sampling system that from research ship, will assemble hangs entry, inserts the sediment; The record job position, research ship leaves, and at this moment, in the seabed, the filtering ring that sediment original position interstitial water will be through this sampling system is to the inboard infiltration of the infiltration web member long-term continuous acquisition of fluid acquisition device that is connected with this layer position of quilt also; (3) after predetermined acquisition time (as 1 year) arrives, with research ship sail threw in the working point to last time near, the unit, deck through release sends to the release of this sampling system assembling and releases order, release discharges; The support that fluid acquisition device etc. is installed breaks away from original position layering infiltration parts, because support is configured in the seawater buoyancy greater than gravity, so it will carry fluid acquisition device etc. and float to the sea, reclaimed by research ship; (4) reclaim the fluid acquisition device, can obtain the interstitial water sample of the different layers position of long-term continuous acquisition.
Beneficial effect of the present invention is can be simultaneously the sediment interstitial water of different layers position to be carried out the long-term continuous acquisition of original position; Once throw in operation and reclaim operation; Can obtain to reach the interstitial water sample of the continuous acquisition in 1 year; Compare with other method of sampling, sampling efficiency greatly improves, and the temporal resolution of sample is high.
Description of drawings
Fig. 1 is a system architecture synoptic diagram of the present invention.
Label among the figure: 1 is suspension centre, and 2 is ball float, and 3 is support, and 4 is release, and 5 is the fluid acquisition device, and 6 is link, and 7 are layering infiltration web member (mounting filtering ring between the web member).
Embodiment
Combine accompanying drawing to further specify the present invention through embodiment below.
Embodiment 1: will permeate web member and filtering ring assembles, and form interstitial water in-situ layering infiltration web member 7; Filtering ring is installed between the adjacent web member, and the thief hatch of corresponding each mounting filtering circular layer position links to each other with fluid acquisition device 5 through the PE pipe of external diameter 3mm, internal diameter 1mm respectively; Fluid acquisition device 5 is installed on the support 3 with release 4 and ball float 2 grades, and is configured in the seawater buoyancy greater than gravity; Support 3 links to each other with layering infiltration web member 7 through release, forms sampling system as shown in Figure 1.In the work sea area, this sampling system that from research ship, will assemble hangs entry, inserts the sediment; The record job position, research ship leaves, and at this moment, in the seabed, sediment original position interstitial water will permeate the web member 7 fluid acquisition device 5 long-term continuous acquisition that the inboard is permeated and quilt is connected with this layer position to layering through the filtering ring of this sampling system.After predetermined acquisition time (as 1 year) arrives, with research ship sail threw in the working point to last time near, the unit, deck through release sends to the release 4 of this sampling system assembling and releases order, release 4 discharges; The support 3 that fluid acquisition device 5 grades are installed breaks away from original position layering infiltration parts 7, because support 3 is configured in the seawater buoyancy greater than gravity, so it will carry come-up such as fluid acquisition device 5 to the sea, reclaimed by research ship.Reclaim fluid acquisition device 5, can obtain the interstitial water sample of the different layers position of long-term continuous acquisition.
Claims (3)
1. marine bottom sediment interstitial water in-situ acquisition system; Form by suspension centre (1), ball float (2), support (3), release (4), fluid acquisition device (5), link (6) and layering infiltration web member (7); It is characterized in that suspension centre (1) is positioned at support (3) top, layering infiltration web member (7) is positioned at support (3) below; Layering infiltration web member (7) is assembled by infiltration web member and filtering ring, and filtering ring is installed between the adjacent link (6), and the thief hatch of each filtering ring links to each other with fluid acquisition device (5) through pipeline respectively; Fluid acquisition device (5), release (4) and ball float (2) are installed on respectively on the support (3), and release (4) one ends connect support (3), and the other end connects layering infiltration web member (7).
2. marine bottom sediment interstitial water in-situ acquisition system according to claim 1 is characterized in that said layering infiltration web member (7) adopts web member to be assembled, and the assembly layer spacing is 100mm, 300mm and three kinds of specifications of 500mm.
3. marine bottom sediment interstitial water in-situ acquisition system according to claim 1 is characterized in that the terminal variable-diameter structure that adopts of said layering infiltration web member (7), and layering infiltration web member (7) external diameter carries out the transition to 50mm from 87mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110094166 CN102221485B (en) | 2011-04-15 | 2011-04-15 | Submarine sediment interstitial water in-situ acquisition system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110094166 CN102221485B (en) | 2011-04-15 | 2011-04-15 | Submarine sediment interstitial water in-situ acquisition system |
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| Publication Number | Publication Date |
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| CN102221485A CN102221485A (en) | 2011-10-19 |
| CN102221485B true CN102221485B (en) | 2012-12-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110094166 Expired - Fee Related CN102221485B (en) | 2011-04-15 | 2011-04-15 | Submarine sediment interstitial water in-situ acquisition system |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102507262B (en) * | 2011-10-22 | 2014-06-04 | 中国科学院南京地理与湖泊研究所 | Device and method for acquiring and storing sediment pore water sample |
| CN102636371B (en) * | 2012-04-25 | 2014-03-26 | 北京师范大学 | In-situ time-phased sediment trap |
| CN104570158B (en) * | 2015-01-07 | 2015-11-04 | 中国科学院南海海洋研究所 | A kind of self-floating oceanic heat flow long-term observation base station |
| CN104833547B (en) * | 2015-06-08 | 2017-10-31 | 成都欧迅科技股份有限公司 | A kind of pore water water acquisition post in situ and water sampling method |
| CN105092805B (en) * | 2015-06-08 | 2017-01-25 | 成都欧迅科技股份有限公司 | Water quality detection system based on in-situ pore water collecting water column |
| CN105861277B (en) * | 2016-04-21 | 2017-12-15 | 同济大学 | Underwater injecting type deposit Culture in situ device |
| CN107677772A (en) * | 2017-09-19 | 2018-02-09 | 广州海洋地质调查局 | Methane gradiometry system in ocean or lake-bottom deposit |
| CN110389054A (en) * | 2019-06-12 | 2019-10-29 | 广州海洋地质调查局 | The long-term in-situ sampling of the big depth section pore water of bottom sediment and analysis method |
| CN110389053A (en) * | 2019-06-12 | 2019-10-29 | 广州海洋地质调查局 | The long-term in-situ sampling of the big depth section pore water of bottom sediment and analytical equipment |
| CN113588344B (en) * | 2021-08-05 | 2022-03-22 | 南方海洋科学与工程广东省实验室(广州) | Device and method for monitoring fluid flux and collecting fluid sample |
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| DE10058416C1 (en) * | 2000-11-24 | 2002-02-21 | Olaf Niepagenkemper | Determination of oxygen content of interstitial water in formations containing sediment and clay comprises feeding protective tube into formation, feeding sensor into tube and sucking water through inlet in protective tube over sensor |
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| CN102221485A (en) | 2011-10-19 |
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