CN107037193A - A kind of water body free state pollutant passive sampling apparatus and the method for sampling - Google Patents
A kind of water body free state pollutant passive sampling apparatus and the method for sampling Download PDFInfo
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 71
- 238000005070 sampling Methods 0.000 title claims abstract description 61
- 239000003344 environmental pollutant Substances 0.000 title claims abstract description 29
- 231100000719 pollutant Toxicity 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 20
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 64
- 239000010935 stainless steel Substances 0.000 claims abstract description 64
- 238000010521 absorption reaction Methods 0.000 claims abstract description 30
- 239000000463 material Substances 0.000 claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims abstract description 12
- 238000012544 monitoring process Methods 0.000 claims description 16
- 230000033001 locomotion Effects 0.000 claims description 4
- 241000251468 Actinopterygii Species 0.000 claims description 3
- 239000000356 contaminant Substances 0.000 abstract description 5
- 238000010828 elution Methods 0.000 abstract 1
- 238000000746 purification Methods 0.000 abstract 1
- 230000008054 signal transmission Effects 0.000 abstract 1
- 230000003115 biocidal effect Effects 0.000 description 20
- 238000005516 engineering process Methods 0.000 description 13
- 230000008569 process Effects 0.000 description 10
- 239000003463 adsorbent Substances 0.000 description 4
- 239000010408 film Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- -1 oleics Ester Chemical class 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 238000002470 solid-phase micro-extraction Methods 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 239000004695 Polyether sulfone Substances 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 231100000693 bioaccumulation Toxicity 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000008364 bulk solution Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000013401 experimental design Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 238000005339 levitation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000409 membrane extraction Methods 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 229920006393 polyether sulfone Polymers 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 231100001234 toxic pollutant Toxicity 0.000 description 1
- 238000004454 trace mineral analysis Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/18—Water
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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Abstract
The invention discloses a kind of water body free state pollutant passive sampling apparatus and the method for sampling.Sampling apparatus is monitored the components such as sensor, flowmeter, GPRS signal transmission devices, buoy, anchor and constituted by stainless steel protection cavity, water (flow) direction rudder, absorption phase module, water environment parameter.Sampling apparatus is placed in tested water body or water layer, sampling apparatus voluntarily can adjust water inlet according to water (flow) direction, current pass through sampling apparatus, absorption phase module passively gathers target contaminant, sensor group and flowmeter monitor water body environment parameter and flow and in the server of remote transmission and researcher in real time, to make corresponding feedback, sampling obtains the material in absorption phase after terminating, by corresponding elution, purification and concentration and examination with computer flow, with reference to water environment parameter and flow, the concentration for obtaining target contaminant free state in tested water body is calculated by model.
Description
Technical field
The invention belongs to aquatic environment monitoring technical field, more particularly to a kind of water body free state pollutant passive sampling
Device and the method for sampling.
Background technology
Passive sampling technology is based on target compound distribution system different between surrounding medium adsorbs phase from sampler
Number and binding ability produced by transport phenomena and set up.This Sampling techniques can be carried out in the case where not influenceing bulk solution
In situ sampling, the equilibrium concentration or time weighting for obtaining pollutant in tested systems in time scale in a couple of days to some months is averaged
Concentration, the bioaccumulation effect of toxic pollutant is assessed with this, be widely used in the media such as air, water body and soil it is inorganic,
The concentration monitor of organic pollution.This technology is increasingly becoming the monitoring skill of global Measurement of Persistent Organic Pollutants in Water Environment
Art.Passive sampling technology can be with continuous sampling, it is not necessary to as conventional method gathers a large amount of samples to meet trace analysis requirement, shows
Write time, material resources and the manpower consumption of reduction sampling process；And this technology can collect contaminant information in time, than serious
Reflect the pollution situation being continually changing in fact；It can also be avoided because form of poluttants becomes during sampling and sample transport
Change and the accuracy of impact analysis result；Other passive sampling technology be mainly pollutant in evaluation or monitoring of environmental medium from
By state concentration, reflection be pollutant direct biological effectiveness in surrounding medium concentration, biological concentration, generation with pollutant
Thank to the environmental behaviour processes such as conversion, migration degraded related.Passive sampling technology the most frequently used at present has semipermeable membrane extraction
(SPMD), SPME (SPME), film diffusion technology (DGT) and polar organic compound comprehensively sampling
(POCIS) etc..But the research of these passive sampling technologies is main to concentrate the selection design of sorbing material and the structure of computation model,
Not yet the loading device external to absorption phase module is designed optimization, easily causes the blocking and damage of absorption phase module, shows
Write the ability in sampling and sampling stability of influence absorption phase module.Meanwhile, complicated hydrologic condition and external environment are inhaled to sampling
Attached process produces complicated influence, and researcher generally requires to carry out the ambient parameter in field correction computation model repeatedly,
Accurate result could be obtained, the application of passive sampling technology is seriously constrained.
The content of the invention
In view of this, it is a primary object of the present invention to provide a kind of water body free state pollutant passive sampling apparatus and adopt
Quadrat method.
To achieve the above object, the water body free state pollutant passive sampling apparatus provided as the present invention, including：It is stainless
Steel protection cavity, water (flow) direction rudder, absorption phase module, water environment parameter monitoring sensor, flowmeter, Hydraulic Accelerator, GPRS
Signal projector, buoy, anchor；
The stainless steel protection cavity tail end is fixedly connected with the water (flow) direction rudder, and the absorption phase module can be 360 degree
It is rotatably connected in the stainless steel protection inside cavity, the water environment parameter monitoring sensor is fixedly connected on the stainless steel
Cavity inner wall top rear is protected, the flowmeter is consolidated through stainless steel protection cavity front end, the Hydraulic Accelerator is fixed on
Due to trapezoidal cylinder cavity rear end in the stainless steel protection cavity, the buoy on the upside of the stainless steel protection cavity with connecting
Connect, the GPRS signal projectors are built in the buoy, the anchor on the downside of the stainless steel protection cavity with being connected；
Wherein, the stainless steel protection cavity is that stainless steel cylinder cavity splicing trapezoidal cylinder body cavity body is combined,
Wherein described 80 centimetres of circular cylindrical cavity length, 30 centimetres of diameter；25 centimetres of the trapezoidal cylinder body cavity body length, 30 lis of maximum gauge
Rice, 20 centimetres of minimum diameter；There is dodge gate the stainless steel circular cylindrical cavity side, and the radian of door is consistent with cylinder, and door is long
It is 50 centimetres, wide 20 centimetres；There is the catch net that mesh size is 2 centimetres of 2 cm x the stainless steel protection cavity rear and front end；Institute
Tell that a Hydraulic Accelerator is installed in stainless steel trapezoidal cylinder body inside cavity rear end；
Above-mentioned Hydraulic Accelerator is the knockdown Water flow propelling device of quaterfoil, and its radius of turn is 12 centimetres；
Wherein, the water (flow) direction rudder is fish tail type stainless steel empennage, is fixedly connected with the stainless steel trapezoidal cylinder body,
Control stainless steel protection cavity direction consistent all the time with water (flow) direction；
Wherein, the absorption phase module is made up of fixing seal ring, diaphragm and sorbing material；The absorption phase module number
Amount regards sampling request setting, is equidistantly installed on the stainless steel protection inside cavity；It is described absorption phase module with it is described stainless
Between steel protection cavity by can 360 degree Rotary hanging hooks connect, realize that adsorbing phase module rotates freely and ease of assembly/dismounting；
Above-mentioned fixing seal ring is to be evenly distributed with four fixed screws on circular ring type structure, annulus, can be by the diaphragm
It is fixed on sorbing material in annulus；
Above-mentioned sorbing material can be selected according to target contaminant, such as hydrophilic-lipophilic balance copolymer (HLB), three oleics
Ester etc., be uniformly pressed into a diameter of 18 centimetres, thickness be 1 centimetre of thin round pie；
Said protection film is the thin-film material that water body and its solvent matter can be passed through freely, can be selected according to the characteristic of sorbing material
Select, such as polyether sulfone, polyethylene film；
Wherein, the water environment parameter monitor is temperature, pH value and electrical conductivity (EC values) sensor group, is fixed on described
Back segment at the top of stainless steel protection cavity inner wall, and data are delivered to by data wire the GPRS sensors in real time；
Wherein, the flow is calculated as water flow monitor, is the water flowed through in the stainless steel cavity certain time period
Body volume, its data are real-time transmitted to the GPRS sensors by data wire；
Above-mentioned GPRS signal projectors are built in the buoyage；
Wherein, the buoy is levitation device, by rope with being connected on the upside of the stainless steel protection cavity, passes through control
Rope lengths control the stainless steel protection cavity submerged depth, realize that different depth is sampled；
Wherein, the anchor is fixing device, by rope with being connected on the downside of the stainless steel protection cavity, is realized described
Stainless steel protection cavity keeps relative position stable state in water body；
Using above-mentioned water body free state pollutant passive sampling apparatus carry out passive sampling method be, the GPRS signals
Transmitter is real-time Data Transmission sharing means, is obtained the water environment parameter monitor and flowmeter connection by data wire
Real time data, utilizes the GPRS signal projectors of " general packet radio service technology " (GPRS technologies) long range radio transmissions, will
Real-time data transmission realizes the real-time monitoring of data to computer server；
Compared with prior art, the beneficial effects of the present invention are：
The water body free state pollutant passive sampling apparatus that the present invention is provided has the passive gatherer process of free state pollutant
Anti-interference function and water environment parameter real-time record and remote transmission function, can effectively reduce complexity water environment conditions pair
The influence of pollutant gatherer process, while realizing the water environment conditions real-time tracking of sampling process, overcomes traditional Passive sampler
The big and concentration that is affected by the external environment calculates the problem that model parameter is difficult to correct, and improves free state pollutant passive sampling technology
Stability and accuracy.
Brief description of the drawings：
Fig. 1 is the diagrammatic cross-section of water body free state pollutant passive sampling apparatus of the present invention；
Fig. 2A is the stainless steel protection cavity alien invasion figure of passive sampling apparatus of the present invention；
Fig. 2 B are the stainless steel protection inside cavity structure chart of passive sampling apparatus of the present invention；
Fig. 3 A adsorb phase module schematic diagram for the stainless steel protection inside cavity of passive sampling apparatus of the present invention；
Fig. 3 B are present invention absorption phase module cut-away view；
Reference implication explanation：
1st, stainless steel protection cavity；2nd, water (flow) direction rudder；3rd, arcuate movement door；4th, phase module is adsorbed；41st, fixing seal
Ring；42nd, diaphragm；43rd, sorbing material；5th, cavity front-end protection net；6th, cavity end catch net；7th, Hydraulic Accelerator；8th, it is warm
Degree, pH value and conductivity sensor group；9th, flowmeter；10th, rope and sensor connecting line combination line；11st, buoy；12nd, rope；
13rd, anchor；14th, combination type hanger；15th, GPRS signal projectors.
Embodiment：
To make the purpose of the present invention, technical scheme and advantage become apparent from understanding, below in conjunction with specific embodiment, and reference
Accompanying drawing, the present invention is described in further detail.
A kind of free state pollutant passive sampling apparatus, stainless steel protection cavity 1, water (flow) direction rudder 2, absorption phase module 4,
Water environment parameter monitoring sensor 8, flowmeter 9, GPRS signal projectors 15, buoy 11, anchor 13；The stainless steel protection chamber
The tail end of body 1 is fixedly connected with the water (flow) direction rudder 2, it is described absorption phase module 4 can 360 degree be rotatably connected in the stainless steel guarantor
Protect inside cavity 1, after the water environment parameter monitoring sensor 8 is fixedly connected at the top of the inwall of stainless steel protection cavity 1
End, the flowmeter 9 is through the front end of stainless steel protection cavity 1 is fixed on, and the Hydraulic Accelerator 7, which is fixed on the stainless steel, to be protected
Trapezoidal cylinder cavity rear end in cavity 1 is protected, the buoy 11 is connected with the upside of stainless steel protection cavity 1, the GPRS
Signal projector 15 is built in the buoy 11, and the anchor 13 is connected with the downside of stainless steel protection cavity 1.
Wherein, the stainless steel protection cavity 1 is that stainless steel cylinder cavity splicing trapezoidal cylinder body cavity body is combined,
There is arcuate movement door 3 side of stainless steel protection cavity 1, and the radian of arcuate movement door 3 is consistent with cylinder, it is described not
Becoming rusty, steel protection cavity 1 is front and rear to be equipped with cavity front-end protection net 5, cavity rear end catch net 6.
Wherein, the water (flow) direction rudder 2 is fish tail type stainless steel empennage, with the circular tail end of stainless steel protection cavity 1
It is fixedly connected.
Wherein, the absorption phase module 4 is made up of fixing seal ring 41, diaphragm 42 and sorbing material 43, equidistantly peace
Inside the stainless steel protection cavity 1；By can 360 between the absorption phase module 4 and the stainless steel protection cavity 1
Spend Rotary hanging hook connection.
Wherein, the Hydraulic Accelerator 7 is the knockdown Water flow propelling device of quaterfoil, and its radius of turn is 12 centimetres,
Realize and accelerate flow rate of water flow in stainless steel protection cavity 1, shorten the sampling time.
It is a kind of to be with the free state pollutant passiveness sampling method of above-mentioned free state pollutant passive sampling apparatus：Utilize
GPRS signal projectors 15 are real-time Data Transmission sharing means, by data wire by the water environment parameter monitor and flow
Meter connection obtains real time data, using the GPRS signal projectors of long range radio transmissions, by real-time data transmission to computer service
Device, realizes the real-time monitoring of data.
Selection hydrophilic-lipophilic balance copolymer (HLB) is the adsorbent phase material passively gathered, selects polyethylene film conduct
Diaphragm, goal in research pollutant is antibiotic.
Embodiment 1
Fixing seal ring 41, diaphragm 42, sorbing material 43 are assembled into target contaminant by accompanying drawing 3A and 3B schematic diagram
Passive sampling modular unit, and fix screw, be used as a complete absorption phase module 4；Absorption phase module 4 is loaded not
Become rusty in steel protection cavity 1, the number of modules of loading is determined by the number of iterations of experimental design, it is 3 that quantity is set in the present embodiment, is adjusted
The link member of die trial block and stainless steel protection cavity, makes integral module can be to surrounding flexible rotating by fulcrum of linking point；
According to the parameter request of computation model, load in the inwall top rear of stainless steel protection cavity 1 and intend what is monitored in real time
Temperature, pH value and conductivity sensor group 8 and flowmeter 9, and GPRS signal projectors 15 are connected to by data wire；Debugging
GPRS signal projectors 15, can outwardly receive server (mobile phone or computer) transmission sensor monitoring signals；
Install and fixed stainless steel protection cavity front-end protection net 5 and cavity end catch net 6；Utilize refreshing rope 12 and combination
Formula hook 14 connects buoy 11 and anchor 13, completes the assembling of passive sampling apparatus；Sampling apparatus as monitoring water body in, root
According to the depth of water, monitoring water layer position adjustments rope and the sensor connecting line combination length of line 10；
According to default sampling time 24h, sampling collects sampling apparatus after finishing, and unloads absorption phase module 4, and refrigerate band
Go back to laboratory；It is careful to take module apart, adsorbent phase material is obtained, is purified, concentrated and upper machine according to the physicochemical property of pollutant
Determine the antibiotic concentration of adsorbent phase material；According to the passive sampling process model of antibiotic, the antibiotic of tested water body is calculated
Pollutant free state concentration.
Water body antibiotic free state concentration calculating process is as follows：Assuming that the mass exchange between water and sampler be it is each to
The same sex, distribution curve is linear, and antibiotic is that single-phase removes pattern in absorption phase, then the target on adsorbent phase material
The relation of thing mass accumulation (Ms) and water environment antibiotic free state concentration is as follows：
Ms=Cw*Rs*t (1)
In formula (1), Cw is free state concentration (μ g/L) of the antibiotic in water environment；Rs is the sampling rate of absorption phase
(L/d)；T is open-assembly time (d).
Therefore the free state concentration C w of monitoring water body antibiotic is：
Cw=Ms/Rs/t=Cs*M/Rs/t (2)
In formula (2), Cs is that the antibiotic that measures of upper machine (as using HPLC-Ms/Ms methods) of absorption phase in sampler is dense
Spend (μ g/g), M is absorption phase quality (g).
For the water body of a fixed volume fixed-contamination concentration, the water body antibiotic free state sometime put is dense
Degree Cw (t) abatement process can be calculated with first _ order kinetics equation：
Cw (t)=Cw (0) * exp (- kt) or ln [Cw (t)/Cw (0)]=- k*t (3)
In formula (3), Cw (t) is t time water body antibiotic free state concentration (μ g/L)；Cw (0) is water body free state antibiosis
The initial concentration (μ g/L) of element；K is abatement speed constant of the antibiotic in water body, by laboratory adsorption process simulation, according to
Ln [Cw (t)/Cw (0)] and open-assembly time t slope is tried to achieve.The main speed and antibiotic by adsorbing mutually absorption antibiotic of k exists
Natural attenuation speed two parts composition of water body, i.e.,：
K=KU+KD (4)
KU mutually adsorbs the speed (1/d) of antibiotic for absorption in formula (4)；KD is natural attenuation speed of the antibiotic in water body
(1/d), can be obtained by reference to document or laboratory simulation.Therefore KU is：
KU=k-KD (5)
Therefore, the antibiotic sampling rate Rs of absorption phase is：
Rs=KU*VT (6)
VT is the water body volume (L) of exposure system in formula (6).
The Rs values of acquisition can be calculated by formula (2) and obtain water body antibiotic free state concentration.
Particular embodiments described above, is further illustrated to technical scheme and beneficial effect, should
Understand, the foregoing is only the specific embodiment of the present invention, be not intended to limit the invention, all essences in the present invention
God is with principle, and any modification, equivalent substitute, improvement for being made etc. should be included in the scope of the protection.
Claims (6)
1. a kind of free state pollutant passive sampling apparatus, it is characterised in that including：Stainless steel protection cavity (1), water (flow) direction
Rudder (2), absorption phase module (4), water environment parameter monitoring sensor (8), flowmeter (9), GPRS signal projectors (15), buoy
(11), anchor (13)；Stainless steel protection cavity (1) tail end is fixedly connected with the water (flow) direction rudder (2), the absorption phase
Module (4) can 360 degree of, water environment parameter monitoring sensors (8) internal in the stainless steel protection cavity (1) that are rotatably connected
Stainless steel protection cavity (1) the inwall top rear is fixedly connected on, the flowmeter (9), which is run through, is fixed on stainless steel protection
Cavity (1) front end, the Hydraulic Accelerator (7) is fixed on trapezoidal cylinder cavity rear end in the stainless steel protection cavity (1),
The buoy (11) on the upside of the stainless steel protection cavity (1) with being connected, and the GPRS signal projectors (15) are built in described
In buoy (11), the anchor (13) on the downside of the stainless steel protection cavity (1) with being connected.
2. free state pollutant passive sampling apparatus as claimed in claim 1, it is characterised in that the stainless steel protection cavity
(1) combined for stainless steel cylinder cavity splicing trapezoidal cylinder body cavity body, there is arc stainless steel protection cavity (1) side
Shape dodge gate (3), the radian of the arcuate movement door (3) is consistent with cylinder, is equipped with before and after the stainless steel protection cavity (1)
Cavity front-end protection net (5), cavity rear end catch net (6).
3. free state pollutant passive sampling apparatus as claimed in claim 1, it is characterised in that the water (flow) direction rudder (2)
For fish tail type stainless steel empennage, it is fixedly connected with circular stainless steel protection cavity (1) tail end.
4. free state pollutant passive sampling apparatus as claimed in claim 1, it is characterised in that the absorption phase module (4)
It is made up of fixing seal ring (41), diaphragm (42) and sorbing material (43), is equidistantly installed on the stainless steel protection cavity
(1) it is internal；It is described absorption phase module (4) and the stainless steel protection cavity (1) between by can 360 degree of Rotary hanging hooks be connected.
5. free state pollutant passive sampling apparatus as claimed in claim 1, it is characterised in that the Hydraulic Accelerator (7)
For the knockdown Water flow propelling device of quaterfoil, its radius of turn is 12 centimetres, realizes and accelerates stainless steel protection cavity (1) interior water
Flow velocity is flowed, shortens the sampling time.
6. a kind of free state pollutant of the free state pollutant passive sampling apparatus of use claim 1 to 5 any one is passive
The method of sampling, it is characterised in that the GPRS signal projectors (15) are real-time Data Transmission sharing means, will by data wire
Water environment parameter monitor and the flowmeter connection obtains real time data, is launched using the GPRS signals of long range radio transmissions
Device, by real-time data transmission to computer server, realizes the real-time monitoring of data.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107445242A (en) * | 2017-09-13 | 2017-12-08 | 大连理工大学 | A kind of adsorbed film that Multiple Classes of Antibiotics is synchronously fixed under sea conditions |
| CN108731963A (en) * | 2018-04-04 | 2018-11-02 | 北京交通大学 | The passive sampling apparatus and method of polarity organic pollution in rice soil |
| CN108760392A (en) * | 2018-07-16 | 2018-11-06 | 未名环境分子诊断（常熟）有限公司 | A kind of Passive sampler and the method for sampling for the acquisition of hydrophily organic pollution |
| WO2021083427A3 (en) * | 2020-12-21 | 2021-09-10 | 苏州讯如电子科技有限公司 | Wastewater sampling device |
| EP3916373A1 (en) * | 2020-05-29 | 2021-12-01 | Universiteit Antwerpen | Analyte collection for analysis of liquids |
| CN114868003A (en) * | 2019-12-23 | 2022-08-05 | 卢森堡科学技术研究院 | Passive sampler deployment housing |
| CN116735755A (en) * | 2023-08-07 | 2023-09-12 | 杭州锐德生命科技有限公司 | Intelligent detection device for ecological water environment and application method thereof |
| CN117405849A (en) * | 2023-12-15 | 2024-01-16 | 江苏省环境监测中心 | Automatic monitoring device for water pollutant flux and accounting method |
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