CN201229258Y - Ocean sediment-water interface pollutant flux automatic sampling and monitoring device - Google Patents

Ocean sediment-water interface pollutant flux automatic sampling and monitoring device Download PDF

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Publication number
CN201229258Y
CN201229258Y CNU2008200754776U CN200820075477U CN201229258Y CN 201229258 Y CN201229258 Y CN 201229258Y CN U2008200754776 U CNU2008200754776 U CN U2008200754776U CN 200820075477 U CN200820075477 U CN 200820075477U CN 201229258 Y CN201229258 Y CN 201229258Y
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CN
China
Prior art keywords
cabin
sampling
flux
monitoring
water
Prior art date
Application number
CNU2008200754776U
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Chinese (zh)
Inventor
王项南
张静
陈江麟
马丽珊
麻常雷
石建军
吴迪
朱锐
马波
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国家海洋技术中心
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Priority to CNU2008200754776U priority Critical patent/CN201229258Y/en
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Publication of CN201229258Y publication Critical patent/CN201229258Y/en

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    • Y02A20/206

Abstract

The utility model relates to a continuous time series site original position automatic sampling and monitoring device, wherein a knife-edge on the bottom of a flux sampling cabin of a box without the bottom is utilized to insert into sediment, seawater with certain volume is separated on the upper portion of marine bottom sediment, a water quality sensor is used to measure water quality parameters of insulated water bodies timely, a sampling bottle is used to sample seawater samples of the insulated water bodies automatically and timely, and flux monitoring of marine sediment-water interface contaminant is realized through analyzing the concentration changes of the contaminant in seawater samples which are collected timely and quantitatively. After the device is placed on seabed, a system control unit monitors the water quality and collects water samples according to pre-set procedures, the whole working process is four days, and the device samples once each 12 hours. The device reflects the site environment conditions comparatively truly, automatically obtains the side measurement parameters of continuous time series, has the characteristics of simple application, reliable data and the like, and opens new development prospect for realizing operational monitoring of marine environment protection.

Description

Oceanic sediment-water termination pollutant flux is sampling and monitoring device automatically

Technical field

The utility model relates to the Ocean Surveying technology, particularly relates to the measuring technique of oceanic sediment and bottom water pollutant.

Background technology

Oceanic sediment is the aggregation of multiple pollutant, and the gathering of pollutant, migration and Study on Transformation are the important contents of marine environmental protection work in the sediment.

Pollutant is mainly derived from urban sewage water, industrial waste water, ship emission and accidental release etc. in the oceanic sediment.The offshore activity has caused the increase of pollutant load in the oceanic sediment, all contains the pollutant of high concentration in the sediment of bay, harbour and coastal waters, as heavy metal, tributyl phosphate, petroleum hydrocarbon, polychlorinated biphenyl, pesticide, DDT etc.These pollutants that hide in oceanic sediment can move in seawater, and constantly spread with flowing of seawater, the offshore ecologic environment are constituted greatly threaten, and the pollutant monitoring of oceanic sediment has vital role in marine environmental protection work.

Oceanic sediment-water termination is the door that toxic pollutant is come in and gone out, and sediment-water termination pollutant flux monitoring has critical role in marine pollution monitoring.

At present, in oceanic sediment-water termination pollutant flux monitoring, generally the method for Cai Yonging comprises: bottom sampler is gathered the overlying water sample of marine bottom sediment and hydrophore collection, measuring after the hybrid analog-digital simulation under the certain condition of laboratory; , bring back the laboratory then and analyze at unperturbed whole sediment and the overlying water thereof gathered under the condition emotionally with the multitube sampler; Finish measurement and sampling work in the seabed by the frogman.

The said method of prior art is reflecting tested site environment situation, is making things convenient for aspects such as site work and the monitoring of the businessization of realization all to have deficiency that the application of pollutant flux monitoring data in the marine environmental protection research work that is obtained is subjected to certain limitation truly.

Summary of the invention

At present oceanic sediment-existing problem of water termination pollutant flux monitoring technology, the utility model is released the on-the-spot original position of a kind of continuous time series sampling and monitoring device automatically, its purpose is to utilize bottomless box to go out the seawater of certain volume in the marine bottom sediment upper isolation, regularly measure the water quality parameter of isolating water body by water quality sensor, the seawater sample of isolating water body by the collection of sampling bottle timing automatic, by being changed, pollutant levels in the seawater sample of timesharing quantitative collection analyze, to realize the flux monitoring of oceanic sediment-water termination pollutant.

Oceanic sediment-water termination pollutant flux sampling and use of monitoring device sinking seabed automatically that the utility model is related comprises basic framework part, sampling monitoring unit, system control unit and recovery unit.

Basic framework is frustum of a pyramid shape, constitutes the outward appearance of whole device.The ring frame at basic framework top and the square box of bottom are linked up and down by four support bars, and the member of sampling monitoring unit, system control unit and recovery unit is accommodated and is fixed on the square box of the ring frame at basic framework top and bottom.

The sampling monitoring unit comprises flux sampling cabin, sampling bottle, water quality sensor and oxygen supply cabin.

The cabin body in flux sampling cabin is the cylindrical body at a no end, is fixedly installed on the bottom square box of basic framework.The cabin body adopts the polycarbonate manufacturing, guarantees that it is corrosion-resistant and anti-pollution.The top cover in flux sampling cabin is connected with tubular cabin body by hinge, and the bottom of cabin body is uncovered to be formed by the edge of a knife that can insert in the sediment.In the time of in the bottom of the cabin body edge of a knife inserts sediment, sediment and last rehydration thereof do not enter in the body of cabin with just having disturbance, and the bottom is a sediment, and top is to go up rehydration.The top cover of cabin body with touch end formula releasing mechanism and be connected, after the cabin body bottom edge of a knife inserts in the sediment, the releasing mechanism action, top cover is slowly closed under the effect of gravity.By the rubber seal sealing, the permanent magnet that is provided with around the body of cabin can close tightly lid between cabin body and the top cover.

Sampling bottle is provided with a plurality of, is fixed on the bottom square box of basic framework.The bottleneck of each sampling bottle is provided with retaining valve, and filtrator is set in the bottle cap.Sampling bottle is communicated with by the top of solenoid valve with flux sampling cabin inner chamber, and the last rehydration in the flux sampling cabin can flow in the sampling bottle that has vacuumized respectively automatically by the solenoid valve of opening.

Water quality sensor is the composite water quality sensor, and monitoring parameter has temperature, salinity, the degree of depth, dissolved oxygen DO and the pH value of seawater.Water quality sensor is fixed on the bottom square box of basic framework, and is arranged in flux sampling cabin and the circulating water pipe that water circulating pump is communicated with.Water circulating pump is fixed on the support bar of basic framework, and water circulating pump is communicated with into the seawater circulation path with flux sampling cabin by circulating water pipe.Under the effect of water circulating pump, constantly circular flow is through water quality sensor in circulating water pipe for the last rehydration in the flux sampling cabin, and the assurance sensor is the water quality parameter of sampling and measuring seawater at any time.

The oxygen supply cabin comprises oxygen tank and pressure regulator, operation valve and diffusion pipeline.Oxygen tank is communicated with flux sampling cabin by the diffusion pipeline, and oxygen tank can the oxygen supply in flux sampling cabin by pressure regulator and solenoid valve.

The oxygen supply cabin combines with system control unit and forms the dissolved oxygen DO dynamic monitoring system, and oxygen content in the flux sampling cabin is monitored and regulated.Many pollutants, particularly metal pollutant, very responsive to the redox condition, the flux monitoring of flux sampling cabin internal contamination thing need be carried out under seawater dissolved oxygen content balance and stable situation.In the flux sampling cabin in the sediment bacterium can consume part oxygen, isolate in the sampling cabin water body with out of my cabin can not Natural Circulation anoxic gradually, the dissolved oxygen DO dynamic monitoring system is in time monitored and is replenished and regulate by the oxygen supply cabin the flux oxygen content of sampling in the cabin.

Reclaim the unit and comprise acoustics release, float and rope.

The acoustics release is fixedly installed on the ring frame at basic framework top, and the taking off of acoustics release put button and blocked float, and float is fixed on the ring frame at basic framework top.Float connects the rope that is bound on the basic framework, and rope is contained in the rope roll that is fixed on the basic framework.Unclamp the float that blocks if the taking off of acoustics release put button, float will float in water, and the float that carries rope floats to the sea, is used to reclaim the device in the sinking seabed that is connected.

System control unit is responsible for work running and the data acquisition and the storage of whole device, comprising: system's control cabinet and battery flat.System's control cabinet and battery flat are cylindric, are fixed on the basic framework, and battery flat links to each other by the watertight cable on the end cap with the system control cabinet.It is power supply that battery flat adopts the high-capacity lithium ion cell group, consumer and device power supply to each unit, and battery capacity can guarantee the continuous working 96 hours under water of described device.

The sealing control circuit has the watertight interface of standard to be connected with equipment such as water quality sensor, water circulating pump, sampling bottle solenoid valve, acoustic release mechanism in system's control cabinet cabin body on the hatchcover.

System, control circuit adopts modular design, comprises power supply and control module two parts.Wherein, control module partly is made up of microprocessor, serial ports divider, data storage, power management/clock, data readback and system's detection etc.Mainly finish the work of timing wake-up sampling unit, in real time monitor and store water sample parameter, control water sample dissolved oxygen content, close the sampling hatchcover and open functions such as acoustics release.

The method that system software adopts higher level lanquage and assembly language to combine is convenient to expansion, modification and the upgrading of software.Adopting modularization programming, is the several function module with each dividing elements of system, can write separately and debug, and improves the programming efficiency and the maintainability of software.

Related oceanic sediment-water termination pollutant the flux of the utility model is sampled and monitoring device automatically; reflect the site environment situation relatively truly; automatically obtain the in-site measurement parameter of continuous time series; have the characteristics such as convenient, that data is reliable of using, open new development prospect for realizing the monitoring of marine environmental protection businessization.

Description of drawings

Fig. 1 is oceanic sediment-water termination pollutant flux sampling and monitoring device structural representation automatically.

Description of symbols among the figure:

1, acoustics release 2, basic framework ring frame

3, support bar 4, oxygen supply cabin

5, system's control cabinet 6, battery flat

7, basic framework square box 8, the cabin body edge of a knife

9, flux sampling cabin 10, water quality sensor

11, rope roll 12, water circulating pump

13, float 14, sampling bottle

Embodiment

Now in conjunction with the accompanying drawings the utility model is further described.

Fig. 1 shows that oceanic sediment involved in the present invention-water termination pollutant flux is sampled automatically and the basic structure of monitoring device.As shown in Figure 1, oceanic sediment involved in the present invention-water termination pollutant flux is sampled automatically and the monitoring device sinking is used in the seabed, comprises basic framework part, sampling monitoring unit, system control unit and recovery unit.

Basic framework is frustum of a pyramid shape, and the ring frame 2 at basic framework top and the square box 7 of bottom are linked up and down by four support bars 3.Be set with flux sampling cabin 9, sampling bottle 14, water quality sensor 10 and the oxygen supply cabin 4 of sampling monitoring unit on the basic framework, reclaim acoustics release 1, the float 13 of unit and accommodate the rope roll 11 of rope, and system's control cabinet 5 of system control unit and battery flat 6.

The cabin body in flux sampling cabin 9 is the cylindrical body at the no end, and the cabin body adopts the polycarbonate manufacturing, guarantees that it is corrosion-resistant and anti-pollution.The top cover in flux sampling cabin 9 is connected with tubular cabin body by hinge, and the bottom of cabin body is uncovered to be formed by the edge of a knife 8 that can insert in the sediment.The bottom of cabin body and top cover respectively with touch end formula releasing mechanism and be connected.By the rubber seal sealing, the permanent magnet of closing top cover is set around the body of cabin between cabin body and the top cover.

Sampling bottle 14 is provided with 8, is fixed on the bottom square box 7 of basic framework.The bottleneck of sampling bottle 14 is provided with retaining valve, and filtrator is set in the bottle cap.Each sampling bottle is communicated with by the inner chamber top of solenoid valve with flux sampling cabin 9, and the last rehydration in the flux sampling cabin 9 can flow in the sampling bottle 14 automatically by the solenoid valve of opening.

Water quality sensor 10 is fixed on the bottom square box 7 of basic framework, and is arranged in flux sampling cabin 9 and the circulating water pipe that water circulating pump 12 is communicated with.Water quality sensor 10 is the composite water quality sensor of temperature, salinity, the degree of depth, dissolved oxygen DO and the pH value of monitoring seawater.Water circulating pump 12 is fixed on the support bar 3 of basic framework, and water circulating pump 12 is communicated with into the seawater circulation path with flux sampling cabin 9 by circulating water pipe.

The oxygen tank in oxygen supply cabin 4 is communicated with flux sampling cabin 9 by the diffusion pipeline, and oxygen tank can the oxygen supply in flux sampling cabin 9 by pressure regulator and solenoid valve.

Acoustics release 1 is fixedly installed on the ring frame 2 at basic framework top, and the taking off of acoustics release 1 put button and blocked float 13, and float 13 is fixed on the ring frame 2 at basic framework top.Float 13 connects the rope that is bound on the basic framework, and rope is contained in the rope roll 11 that is fixed on the basic framework.

System's control cabinet 5 of system control unit and battery flat 6 are cylindric, are separately fixed on the ring frame 2 and support bar 3 of basic framework, and battery flat 6 and system control cabinet 5 link to each other by the watertight cable on the end cap.

The solenoid valve of the control circuits of sealing by the watertight interface on the hatchcover and water quality sensor 10, water circulating pump 12, sampling bottle 14, acoustics release 1 etc. are connected in system's control cabinet 5.

Sampling involved in the present invention and monitoring device sinking are used in the seabed, carry out the automatic sampling and the monitoring of oceanic sediment-water termination pollutant flux.Roughly working routine is as follows for it:

In sea area that substrate exploration is determined (degree of depth ≯ 50 meter), the winch on the oceanographic research ship is transferred to the seabed at a slow speed with described device.Transferring the top cover in flux sampling cabin in the process is opening, when device is transferred to the seabed, body bottom, flux sampling cabin, the cabin edge of a knife inserts in the sediment, the releasing mechanism action that is provided with on the square box of basic framework bottom, and flux sampling cabin top cover is slowly closed under the effect of gravity.

After sampling cabin loam cake was closed, promptly definite device safety the end, and then, operating personnel can spur release hook by hawser and the winch wirerope be reclaimed the seabed sinking of finishing device on the ship.

Behind the device sinking seabed, the system control unit attended circuit starts, by predefined program ON cycle water pump, carry out water quality monitoring and gather water sample.

System, control circuit ON cycle water pump, the water quality sensor of the continuous circular flow of last rehydration in circulating water pipe in the flux sampling cabin.Control system control water quality sensor carries out the measurement of water quality parameter at a fixed time, measure the water quality parameters such as temperature, salinity, the degree of depth, dissolved oxygen DO and pH value of water body, and by RS232 interface extraction parameter that sensor is surveyed, store in the storer of control system, inquire about and analyze after reclaiming with supplying apparatus.

Meanwhile, the dissolved oxygen DO supervisory system is carried out work, and supervisory system at first will be carried out the flux sampling dissolved oxygen sensing of on-the-spot seawater out of my cabin, and is that benchmark is set the dissolved oxygen DO range of control with institute's measured value.If the seawater oxygen content of isolating in the flux that water quality sensor the is measured sampling cabin is lower than the minimum value of allowed band, operation valve is opened, and the diffusion pipeline is delivering oxygen equably, makes that the oxygen level progressively raises in the cabin of sampling; When the oxygen level reached the maximal value of allowed band, valve was closed automatically, stopped oxygen supply.At the whole duration of work of system, the above-mentioned steps that oxygen content in the sampling cabin is monitored and regulated constantly repeats, and keeps the approaching site environment level on every side of oxygen content in the body of cabin.

Sampling system is gathered water sample by the program of setting in the sampling cabin that isolates water body, the solenoid valve that control system is opened corresponding sampling bottle in turn carries out water sampling, and closes solenoid valve after collection finishes.System's entire work process is 4 days, per 12 hours once sampling.

When device reclaimed, the transponder on the research ship sent acoustical signal to the acoustics release, and float discharges under water, and operating personnel can regain apparatus by the hawser that float carries on the ship.

After apparatus was gone on board, operating personnel can extract 4 days seabed water monitoring data, and water sample is taken back the laboratory and carried out the pollutant levels detection, analyzes, and carries out the pollutant flux and calculates.

Claims (7)

1, a kind of oceanic sediment-water termination pollutant flux is sampled and monitoring device automatically, the basic framework that comprises the sinking seabed, basic framework is made of the support bar of top annular frame, bottom square box and connection up and down, it is characterized in that, also comprise sampling monitoring unit, system control unit and recovery unit, the member of sampling monitoring unit, system control unit and recovery unit is accommodated and is fixed on the basic framework; The sampling monitoring unit comprises flux sampling cabin, sampling bottle, water quality sensor and oxygen supply cabin, the cabin body in flux sampling cabin is on the cylindrical body at the no end and the bottom square box that is fixedly installed on basic framework, sampling bottle is fixed on the bottom square box of basic framework, water quality sensor is fixed on the bottom square box of basic framework and is arranged in flux sampling cabin and the circulating water pipe that water circulating pump is communicated with, and the oxygen tank in oxygen supply cabin is communicated with by spreading pipeline and the flux cabin of sampling; Reclaim the unit and comprise acoustics release, float and rope, the acoustics release is fixedly installed on the ring frame at basic framework top, the taking off of acoustics release put button and blocked float, float is fixed on the ring frame at basic framework top, float connects the rope that is bound on the basic framework, and rope is contained in the rope roll that is fixed on the basic framework; System control unit comprises system's control cabinet and battery flat, system's control cabinet and battery flat are fixed on the basic framework, the sealing control circuit has the watertight interface of standard to be connected with acoustic release mechanism with water quality sensor, water circulating pump, sampling bottle solenoid valve, oxygen supply cabin solenoid valve in system's control cabinet cabin body on the hatchcover.
2, oceanic sediment according to claim 1-water termination pollutant flux is sampled and monitoring device automatically, it is characterized in that, the top cover in flux sampling cabin is connected with tubular cabin body by hinge, between cabin body and the top cover by rubber seal sealing, the top cover of cabin body with touch end formula releasing mechanism and be connected.
3, oceanic sediment according to claim 2-water termination pollutant flux is sampled and monitoring device automatically, it is characterized in that, around the body of flux sampling cabin, cabin permanent magnet is set, and can close tightly top cover.
4, oceanic sediment according to claim 1-water termination pollutant flux is sampled and monitoring device automatically, it is characterized in that, the body bottom, cabin in flux sampling cabin is uncovered to be formed by the edge of a knife that can insert in the sediment.
5, oceanic sediment according to claim 1-water termination pollutant flux is sampled and monitoring device automatically, it is characterized in that, sampling bottle is set to 8, each sampling bottle is communicated with flux sampling inner chamber top, cabin by solenoid valve, the bottleneck of sampling bottle is provided with retaining valve, and filtrator is set in the bottle cap.
6, oceanic sediment according to claim 1-water termination pollutant flux is sampled and monitoring device automatically, it is characterized in that, the taking off of acoustics release put button and blocked float, float is fixed on the ring frame at basic framework top, float connects the rope that is bound on the basic framework, and rope is contained in the rope roll that is fixed on the basic framework.
7, oceanic sediment according to claim 1-water termination pollutant flux is sampled and monitoring device automatically, it is characterized in that, battery flat links to each other by the watertight cable on the end cap with the system control cabinet, it is power supply that battery flat adopts the high-capacity lithium ion cell group, to the consumer of each unit and device power supply, the continuous working 96 hours under water of battery capacity assurance device.
CNU2008200754776U 2008-07-25 2008-07-25 Ocean sediment-water interface pollutant flux automatic sampling and monitoring device CN201229258Y (en)

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103034770A (en) * 2011-09-30 2013-04-10 邓义祥 River pollutant flux monitoring method
CN103969402A (en) * 2014-04-28 2014-08-06 中国科学院海洋研究所 Multifunctional in-situ sampling device for seabed flux and sediment
CN105372093A (en) * 2015-11-12 2016-03-02 浙江省海洋水产研究所 Sea environment monitoring water sampler
CN105424809A (en) * 2015-10-27 2016-03-23 湘潭大学 Automatic in-situ measurement device and method for longitudinal wave and acoustic wave parameters of bottom sediment
CN105628076A (en) * 2016-04-11 2016-06-01 国家海洋局第二海洋研究所 Self-returning deep sea equipment carrying device
CN105823655A (en) * 2016-04-28 2016-08-03 中国海洋大学 Cable-less type deepwater water-collecting device
CN106399080A (en) * 2016-09-08 2017-02-15 河海大学 Integrated measuring device and method for algae population biomass in lake and reservoir shallow-water areas
CN108107175A (en) * 2017-12-31 2018-06-01 朱艳飞 A kind of hydrology monitoring system
CN109490084A (en) * 2018-11-29 2019-03-19 中国海洋大学 A kind of simulated waves act on the in-situ testing device and method of internal contamination burst size in lower marine sediment
CN110333102A (en) * 2019-08-21 2019-10-15 中国水产科学研究院黄海水产研究所 A kind of Marine Sediment automatic sampling device and sampling method

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103034770A (en) * 2011-09-30 2013-04-10 邓义祥 River pollutant flux monitoring method
CN103969402B (en) * 2014-04-28 2015-09-23 中国科学院海洋研究所 Flux and sediment situ sampling device at the bottom of a kind of Multifunction fishing
CN103969402A (en) * 2014-04-28 2014-08-06 中国科学院海洋研究所 Multifunctional in-situ sampling device for seabed flux and sediment
CN105424809A (en) * 2015-10-27 2016-03-23 湘潭大学 Automatic in-situ measurement device and method for longitudinal wave and acoustic wave parameters of bottom sediment
CN105372093B (en) * 2015-11-12 2017-12-12 浙江省海洋水产研究所 A kind of marine environmental monitoring hydrophore
CN105372093A (en) * 2015-11-12 2016-03-02 浙江省海洋水产研究所 Sea environment monitoring water sampler
CN105628076A (en) * 2016-04-11 2016-06-01 国家海洋局第二海洋研究所 Self-returning deep sea equipment carrying device
CN105628076B (en) * 2016-04-11 2017-09-29 国家海洋局第二海洋研究所 A kind of self-turning-back deep sea equipment carries device
CN105823655A (en) * 2016-04-28 2016-08-03 中国海洋大学 Cable-less type deepwater water-collecting device
CN106399080A (en) * 2016-09-08 2017-02-15 河海大学 Integrated measuring device and method for algae population biomass in lake and reservoir shallow-water areas
CN106399080B (en) * 2016-09-08 2018-07-24 河海大学 Lake and reservoir shallow water area algae stock biomass integration measuring equipment and method
CN108107175A (en) * 2017-12-31 2018-06-01 朱艳飞 A kind of hydrology monitoring system
CN109490084A (en) * 2018-11-29 2019-03-19 中国海洋大学 A kind of simulated waves act on the in-situ testing device and method of internal contamination burst size in lower marine sediment
CN110333102A (en) * 2019-08-21 2019-10-15 中国水产科学研究院黄海水产研究所 A kind of Marine Sediment automatic sampling device and sampling method

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