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CN109596486A - Estuary coast Suspended Sediment sedimentation time sequence monitoring device - Google Patents

Estuary coast Suspended Sediment sedimentation time sequence monitoring device Download PDF

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Publication number
CN109596486A
CN109596486A CN201910002738.4A CN201910002738A CN109596486A CN 109596486 A CN109596486 A CN 109596486A CN 201910002738 A CN201910002738 A CN 201910002738A CN 109596486 A CN109596486 A CN 109596486A
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CN
China
Prior art keywords
deposition
glass tube
sediment
monitoring device
suspended sediment
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Pending
Application number
CN201910002738.4A
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Chinese (zh)
Inventor
顾靖华
王杰
戴志军
钱伟伟
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East China Normal University
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East China Normal University
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Priority to CN201910002738.4A priority Critical patent/CN109596486A/en
Publication of CN109596486A publication Critical patent/CN109596486A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/04Investigating sedimentation of particle suspensions
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/02Investigating particle size or size distribution

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  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)

Abstract

本发明提供了一种河口海岸水体悬浮泥沙沉积时间序列监测装置,包括沉积时刻记录单元、沉积采集单元;沉积时刻记录单元设置在一侧,进行悬浮泥沙沉积时刻记录;沉积采集单元设置在另一侧,减缓外部流速影响并阻止采集得到的泥沙再次悬浮逃逸;沉积时刻记录单元与沉积采集单元并排固定连接。能够快速、大量收集河口海岸水体中悬浮泥沙,在采集河口海岸水体悬浮泥沙过程中保有其沉积结构,同步记录沉积时刻及对应的水位变化;通过分析采集到的悬浮泥沙沉积结构,研究水体中泥沙输运过程;通过分析采集到的悬沙粒径及相应的同位素观测,了解泥沙物源;使用采集到的悬沙标定、校准同步观测的光学浊度传感器能比使用近底泥沙样标定降低3‑5倍误差。

The invention provides a time-series monitoring device for suspended sediment deposition in estuary and coastal waters, comprising a deposition time recording unit and a deposition collection unit; the deposition time recording unit is arranged on one side to record the time of suspended sediment deposition; the deposition collection unit is arranged in On the other side, the influence of the external flow velocity is slowed down and the collected sediment is prevented from suspending and escaping again; the deposition time recording unit is fixedly connected side by side with the deposition collection unit. It can quickly and massively collect suspended sediment in estuary and coastal waters, retain its sedimentary structure during the process of collecting suspended sediment in estuary and coastal waters, and simultaneously record the deposition time and the corresponding water level changes; by analyzing the collected suspended sediment sedimentary structure, research The sediment transportation process in the water body; by analyzing the collected suspended sand particle size and the corresponding isotope observations, to understand the sediment source; using the collected suspended sand to calibrate and calibrate the optical turbidity sensor for synchronous observation can be compared with the use of near-bottom Sediment sample calibration reduces error by 3-5 times.

Description

Estuary coast Suspended Sediment sedimentation time sequence monitoring device
Technical field
The present invention relates to flow measurement technical fields, and in particular, to when a kind of estuary coast Suspended Sediment deposits Between sequence monitoring device.
Background technique
Estuary coast area is the sensitive area of land-sea coupling, and geophysics, chemistry, biology, deposition landforms etc. are each Kind complex process intercouples, and its complicated.Upper river runoff carries flood tide silt and comes river mouth, encounters trend backwater effect Complicated sediment resuspension and transport process are shown, the Erosion and progradation of estuarine delta is formd.Estuary coast suspension bed sediment The physical process for directly participating in river mouth, ocean, as fine sediments, the important carrier of various nutritive salt and pollutant, for sea Foreign biology, seawater quality and region marine ecosystems important role.The biophysics evolution very great Cheng of tide environment The transport of suspended matter, organic matter and other substances suspending or dissolution is depended on degree.Estuary coast is analyzed to suspend The regularity of distribution of the concentration of silt is both Hekou Area port construction and the hot spot that waterway engineering is paid special attention to, and understands sea One of foreign environmental quality and the important indicator of Transport of pollutant.
It is always problem that past research, which quickly, largely acquires suspension bed sediment in water body,.Conventional method is using horizontal type Hydrophore timing layering 600 milliliters of water samples of acquisition, filter out suspension bed sediment therein, but gained amount of sediment is few, main to use Sediment source is analyzed in calculating silt content and counting particle size data.Another method is by pumping for water pump, standing, discharge Layer clear water, then such a repetitive process of drawing water obtain the suspension bed sediment in water body.The suspension bed sediment that this method obtains is available In transducer calibration and other correlative studys.This method can obtain greater number of suspension bed sediment, but stand process time-consuming compared with It is long.
Above method acquisition suspension bed sediment quantity is few, and process is complicated, time-consuming big, can not meet estuary coast water well Body suspension bed sediment process study.
Summary of the invention
For the defects in the prior art, when being deposited the object of the present invention is to provide a kind of estuary coast Suspended Sediment Between sequence monitoring device.
A kind of estuary coast Suspended Sediment sedimentation time sequence monitoring device provided according to the present invention, including deposition Moment recording unit, deposition acquisition unit;
The setting of moment recording unit is deposited in side, carries out suspension bed sediment deposition moment record;
Acquisition unit setting is deposited in the other side, slows down external flow rate effect and the silt collected is prevented to suspend again Escape;Deposition moment recording unit is fixedly connected side by side with deposition acquisition unit.
Preferably, the deposition moment recording unit includes record host, optical sensor, the first glass tube;
Multiple optical sensors are spaced stationary arrangement on stainless steel according to setting, optical sensor and record host phase Connection, optical sensor, record host are encapsulated in the first glass tube, the lower end sealing of first glass tube.
Preferably, the optical sensor is arranged 50, and according to the interval stationary arrangement of 1cm;First glass tube Diameter be set as 2cm.
Preferably, the record host includes any one of main board control circuit, CPU, clock unit, battery or appoints more Kind;The optical sensor, record host are fixed in the first glass tube by threaded engagement mode.
Preferably, the deposition acquisition unit includes choked flow every husky device, the second glass tube, graduated scale, rubber stopper;
The outer wall of second glass tube pastes graduated scale, and the upper end tube nozzle setting choked flow of the second glass tube is every husky device, the second glass The lower end of glass pipe is encapsulated using rubber stopper, and the encapsulation junction is sealed with adhesive waterproof tape.
Preferably, the diameter of second glass tube is set as 4cm, and the scale maximum value of the graduated scale is 50cm, carves Degree precision is millimeter.
Preferably, the choked flow is in class honeycomb structure every husky device, and the silt in the second glass tube can be prevented to hang again Floating escape.
Compared with prior art, the present invention have it is following the utility model has the advantages that
1, suspension bed sediment in estuary coast water body can quickly, be largely collected, in acquisition estuary coast Suspended Sediment Possess it in the process and deposit structure, synchronous recording deposits moment and corresponding SEA LEVEL VARIATION;
2, structure can be deposited by analyzing collected suspension bed sediment, studies Sediment Transport process in water body;
3, it can be observed by analyzing collected outstanding grains of sand diameter and corresponding isotope, understand silt material resource;
It 4, can be than using nearly bed mud sand-like using the optical turbidity sensor of collected outstanding husky calibration, calibration simultaneous observation Calibration reduces 3-5 times of error.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention, Objects and advantages will become more apparent upon:
Fig. 1 is the organigram of the deposition moment recording unit of apparatus of the present invention;
Fig. 2 is the organigram of the deposition acquisition unit of apparatus of the present invention;
Fig. 3 is the use assembling schematic diagram of apparatus of the present invention.
It is shown in figure: record host 1;Optical sensor 2;First glass tube 3;Choked flow is every husky device 4;Second glass tube 5, Graduated scale 6, rubber stopper 7.
Specific embodiment
The present invention is described in detail combined with specific embodiments below.Following embodiment will be helpful to the technology of this field Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill of this field For personnel, without departing from the inventive concept of the premise, several changes and improvements can also be made.These belong to the present invention Protection scope.
A kind of estuary coast Suspended Sediment sedimentation time sequence monitoring device provided according to the present invention, including deposition Moment recording unit, deposition acquisition unit;
The setting of moment recording unit is deposited in side, carries out suspension bed sediment deposition moment record;
Acquisition unit setting is deposited in the other side, slows down external flow rate effect and the silt collected is prevented to suspend again Escape;Deposition moment recording unit is fixedly connected side by side with deposition acquisition unit.
Specifically, the deposition moment recording unit includes record host 1, optical sensor 2, the first glass tube 3;
Multiple optical sensors 2 are spaced stationary arrangement on stainless steel according to setting, optical sensor 2 and record host 1 is connected, and optical sensor 2, record host 1 are encapsulated in the first glass tube 3, the lower end sealing of first glass tube 3.
Specifically, the optical sensor 2 is arranged 50, and according to the interval stationary arrangement of 1cm;First glass tube 3 diameter is set as 2cm.
Specifically, the record host 1 includes any one of main board control circuit, CPU, clock unit, battery or appoints It is a variety of;The optical sensor 2, record host 1 are fixed in the first glass tube 3 by threaded engagement mode.
Specifically, the deposition acquisition unit includes choked flow every husky device 4, the second glass tube 5, graduated scale 6, rubber stopper 7;
The outer wall of second glass tube 5 pastes graduated scale 6, and the upper end tube nozzle setting choked flow of the second glass tube 5 is every husky device 4, and the The lower end of two glass tubes 5 is encapsulated using rubber stopper 7, and the encapsulation junction is sealed with adhesive waterproof tape.
Specifically, the diameter of second glass tube 5 is set as 4cm, and the scale maximum value of the graduated scale 6 is 50cm, Scale precision is millimeter.
Specifically, the choked flow is in class honeycomb structure every husky device 4, can prevent silt in the second glass tube 5 again Suspend escape.
The suspension bed sediment deposition moment as shown in Figure 1 records part, by comprising main board control circuit, cpu, clock module and 1,50 optical sensors 2 of record host that battery is constituted are according to the interval 1cm stationary arrangement on stainless steel and top and note Record host 1 is fixedly linked, and packed to be fixed on a lower end close by threaded engagement mode for record host 1, optical sensor 2 Envelope, diameter are to form deposition moment recorder in the lucite tube 3 of 2cm.
Suspension bed sediment as shown in Figure 2 deposits collecting part, and by 1 diameter 4cm lucite tube 5, outer wall is close to (0-50 Centimetre, read text scale is accurate to millimeter) graduated scale 6, lower end is encapsulated using rubber stopper 7, and is fixed with adhesive waterproof tape, upper pipes Mouth 1 class honeycomb structure multitube choked flow of setting prevents sediment resuspension in pipe from escaping every husky device 4, for slowing down external flow rate effect Ease.
As shown in figure 3, when in use, suspension bed sediment deposition moment record part and suspension bed sediment deposition collecting part is left After right connection, suspension rests on estuary coast different water levels to be studied after fixing side by side, and a large amount of water can be obtained in the short time Suspension bed sediment in body simultaneously possesses its structure.
The present invention will greatly slow down the flow velocity of suspension bed sediment collection nozzle by choked flow every husky device, facilitate suspension bed sediment heavy Drop, and prevent the suspension bed sediment collected from hanging again for having collected the influence barrier for hanging sand outside collecting pipe External airflow field Floating escape, realization is quick, largely collects suspension bed sediment.Time-consuming for acquisition suspension bed sediment before making up, the few deficiency of amount to obtain. Wherein, Suspended Sediment refers to the silt of suspended motion in water body, is generally mainly fine sand and clay particle.Deposition refers to water The different fluids such as stream, wind are in flows decrease, continuous sedimentation and accumulation that the solid particulate matter carried under one's arms occurs.
While quick, a large amount of collection suspension bed sediments and possess its and deposit structure, synchronous recording deposits the moment.It can help Quantitatively understand suspension bed sediment deposition process, by deposition structure stratification analysis, understands Sediment Transport process.It obtains through the invention A large amount of suspension bed sediments, can be used to analysis sediment source, study river mouth substance Source and pool;It obtains through the invention A large amount of suspension bed sediments can be used to demarcate the optical turbidity sensor of calibration simultaneous observation, show the outstanding of synchronous acquisition according to the study Mud scum sand is more preferable with Instrument observation area sediment grain size consistency, compares so that cause can not obtain enough suspension bed sediment particles and select Nearly bottom Sediment deposits do instrumental calibration, and instrument error caused by partial size can reduce 3-5 times, it is extra large to can greatly improve river mouth Bank area optical sediment concentration accuracy of observation.
One skilled in the art will appreciate that in addition to realizing system provided by the invention in a manner of pure computer readable program code It, completely can be by the way that method and step be carried out programming in logic come so that provided by the invention other than system, device and its modules System, device and its modules are declined with logic gate, switch, specific integrated circuit, programmable logic controller (PLC) and insertion The form of controller etc. realizes identical program.So system provided by the invention, device and its modules may be considered that It is a kind of hardware component, and the knot that the module for realizing various programs for including in it can also be considered as in hardware component Structure;It can also will be considered as realizing the module of various functions either the software program of implementation method can be Hardware Subdivision again Structure in part.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited to above-mentioned Particular implementation, those skilled in the art can make a variety of changes or modify within the scope of the claims, this not shadow Ring substantive content of the invention.In the absence of conflict, the feature in embodiments herein and embodiment can any phase Mutually combination.

Claims (7)

1. a kind of estuary coast Suspended Sediment sedimentation time sequence monitoring device, which is characterized in that including being engraved when deposition Record unit, deposition acquisition unit;
The setting of moment recording unit is deposited in side, carries out suspension bed sediment deposition moment record;
Acquisition unit setting is deposited in the other side, slows down external flow rate effect and the silt collected is prevented to suspend again and escape Ease;Deposition moment recording unit is fixedly connected side by side with deposition acquisition unit.
2. estuary coast Suspended Sediment sedimentation time sequence monitoring device according to claim 1, which is characterized in that The deposition moment recording unit includes record host (1), optical sensor (2), the first glass tube (3);
Multiple optical sensors (2) are spaced stationary arrangement on stainless steel according to setting, optical sensor (2) and record host (1) it is connected, optical sensor (2), record host (1) are encapsulated in the first glass tube (3), first glass tube (3) Lower end sealing.
3. estuary coast Suspended Sediment sedimentation time sequence monitoring device according to claim 2, which is characterized in that The optical sensor (2) is arranged 50, and according to the interval stationary arrangement of 1cm;
The diameter of first glass tube (3) is set as 2cm.
4. estuary coast Suspended Sediment sedimentation time sequence monitoring device according to claim 2, which is characterized in that The record host (1) includes any one of main board control circuit, CPU, clock unit, battery or appoints a variety of;
The optical sensor (2), record host (1) are fixed in the first glass tube (3) by threaded engagement mode.
5. estuary coast Suspended Sediment sedimentation time sequence monitoring device according to claim 1, which is characterized in that The deposition acquisition unit includes choked flow every husky device (4), the second glass tube (5), graduated scale (6), rubber stopper (7);
The outer wall of second glass tube (5) pastes graduated scale (6), and the upper end tube nozzle setting choked flow of the second glass tube (5) is every husky device (4), the lower end of the second glass tube (5) is encapsulated using rubber stopper (7), and the encapsulation junction is sealed with adhesive waterproof tape.
6. estuary coast Suspended Sediment sedimentation time sequence monitoring device according to claim 5, which is characterized in that The diameter of second glass tube (5) is set as 4cm, and the scale maximum value of the graduated scale (6) is 50cm, and scale precision is milli Rice.
7. estuary coast Suspended Sediment sedimentation time sequence monitoring device according to claim 5, which is characterized in that The choked flow is in class honeycomb structure every husky device (4), and the silt in the second glass tube (5) can be prevented to suspend again escape.
CN201910002738.4A 2019-01-02 2019-01-02 Estuary coast Suspended Sediment sedimentation time sequence monitoring device Pending CN109596486A (en)

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CN201910002738.4A CN109596486A (en) 2019-01-02 2019-01-02 Estuary coast Suspended Sediment sedimentation time sequence monitoring device

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Application Number Priority Date Filing Date Title
CN201910002738.4A CN109596486A (en) 2019-01-02 2019-01-02 Estuary coast Suspended Sediment sedimentation time sequence monitoring device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115598372A (en) * 2022-10-25 2023-01-13 烟台科勘海洋科技有限公司(Cn) Ocean silt velocity of flow observation equipment

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2459645Y (en) * 2000-11-29 2001-11-14 国家海洋局第一海洋研究所 Trap for shallow sea time series deposits
MX2013012664A (en) * 2013-10-30 2015-04-30 Univ Nac Autónoma De México Device for the simultaneous quantification of light and accumulation of sediments in aquatic bodies.
CN105300860A (en) * 2015-11-03 2016-02-03 华东师范大学 Large-size movable suspended matter section high-resolution measurement and slidable sampling device
CN107389384A (en) * 2017-09-15 2017-11-24 国家海洋局第二海洋研究所 A kind of ocean single tube time series sediment trap
CN207007547U (en) * 2017-06-08 2018-02-13 杭州海询科技有限公司 Column shaped deposit grabber

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2459645Y (en) * 2000-11-29 2001-11-14 国家海洋局第一海洋研究所 Trap for shallow sea time series deposits
MX2013012664A (en) * 2013-10-30 2015-04-30 Univ Nac Autónoma De México Device for the simultaneous quantification of light and accumulation of sediments in aquatic bodies.
CN105300860A (en) * 2015-11-03 2016-02-03 华东师范大学 Large-size movable suspended matter section high-resolution measurement and slidable sampling device
CN207007547U (en) * 2017-06-08 2018-02-13 杭州海询科技有限公司 Column shaped deposit grabber
CN107389384A (en) * 2017-09-15 2017-11-24 国家海洋局第二海洋研究所 A kind of ocean single tube time series sediment trap

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115598372A (en) * 2022-10-25 2023-01-13 烟台科勘海洋科技有限公司(Cn) Ocean silt velocity of flow observation equipment
CN115598372B (en) * 2022-10-25 2024-06-18 烟台科勘海洋科技有限公司 Marine sediment flow velocity observation equipment

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Application publication date: 20190409