CN113495016A - Semi-automatic quantitative aquatic organism collecting device and collecting method thereof - Google Patents

Semi-automatic quantitative aquatic organism collecting device and collecting method thereof Download PDF

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Publication number
CN113495016A
CN113495016A CN202110744610.2A CN202110744610A CN113495016A CN 113495016 A CN113495016 A CN 113495016A CN 202110744610 A CN202110744610 A CN 202110744610A CN 113495016 A CN113495016 A CN 113495016A
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water
pipe
semi
sliding rail
aquatic organism
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布乃顺
罗亦夫
苏品杰
王净
陈禹含
王昱
薛洁晓
苗葱可
郭京梅
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Liaoning University
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Liaoning University
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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
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D44/00—Harvesting of underwater plants, e.g. harvesting of seaweed
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K80/00—Harvesting oysters, mussels, sponges or the like
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G01N1/34—Purifying; Cleaning

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  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Environmental Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Animal Husbandry (AREA)
  • Marine Sciences & Fisheries (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Sampling And Sample Adjustment (AREA)

Abstract

The invention relates to a semi-automatic quantitative aquatic organism collecting device, which is characterized in that a track is arranged along a river bank, and a slide rail device is connected on the track in a sliding way; the slide rail device is provided with a water inlet device and a filtering device, one end of the water inlet device extends a water pipe into sampling water, and the other end of the water inlet device connects the water pipe with the filtering device. This collection system can prolong offshore water production distance, reduces water bank disturbance effect, then utilizes water pressure to calculate and reachs specific depth of water for the collection degree of depth is more accurate, and draws water more laborsavingly through the vacuum pump, and simultaneously, gathers the water that returns and passes through filter equipment and get into in the volume control case, and the surface of water reachs the target height and makes the ball-cock assembly close in the control case, thereby automatic shutdown collection. The collecting device can also arrange sliding rails according to the shape of a river bank, and the horizontal representativeness of collected samples is increased.

Description

Semi-automatic quantitative aquatic organism collecting device and collecting method thereof
Technical Field
The invention relates to a semi-automatic quantitative aquatic organism collecting device and a collecting method thereof, belonging to the field of aquatic organism detection.
Background
The monitoring of surface water is an important ring of an urban ecological environment monitoring system, and the monitoring contents mainly comprise the monitoring of physical indexes, chemical indexes and biological indexes. The existing physical and chemical monitoring means are abundant, but the monitoring means for aquatic organisms is very traditional and single, and the aquatic organisms have an important water quality indicating function, so that the aquatic organisms in lakes, reservoirs and other water bodies need to be regularly and quantitatively detected.
Most of the existing aquatic organism monitoring methods use a plankton net collection method or a filtration collection method, the plankton net collection method collects plankton in water by walking back and forth through a handheld plankton net, but the method is mostly used for qualitative detection and has great difficulty in quantitative detection. The filtration collection method is to collect water at a target depth by using a water collector, then pour the water into a filter screen, and then intercept plankton on the filter screen, but the method needs to collect a large amount of water samples (30-50L), so that the physical consumption of collection personnel is very serious, the consumed time is long, and the collection efficiency is very low. And the existing quantitative collection mode is mostly fixed-point collection and is not enough for the same water depth and level direction representativeness.
Therefore, there is a need for an apparatus capable of collecting aquatic organisms at different water depths and simultaneously performing separation and extraction of aquatic organisms rapidly.
Disclosure of Invention
The invention aims to solve the technical problem of providing a semi-automatic quantitative aquatic organism collecting device, which can prolong the offshore water collecting distance, reduce the shoreside disturbance effect of a water body, calculate the specific water depth by utilizing water pressure, ensure that the collecting depth is more accurate, and save more labor by pumping water through a vacuum pump, simultaneously, the collected water enters a volume control box through a filtering device, and when the water surface in the control box reaches the target height, a ball float valve is closed, thereby automatically stopping collecting. The collecting device can also arrange sliding rails according to the shape of a river bank, and the horizontal representativeness of collected samples is increased.
In order to solve the above problems, the specific technical scheme of the invention is as follows: a semi-automatic quantitative aquatic organism collecting device is provided with a track along a river bank, and the track is connected with a sliding rail device in a sliding way; the slide rail device is provided with a water inlet device and a filtering device, one end of the water inlet device extends a water pipe into sampling water, and the other end of the water inlet device connects the water pipe with the filtering device.
The water inlet device structure comprises a rotating shaft arranged on the upper surface of a sliding rail device, wherein one end of an extension pipe is movably connected to the rotating shaft, the other end of the extension pipe extends above the water surface, and a fixing ring is arranged at the end part of the extension pipe; the upper surface of the sliding rail device is also provided with a pipe coiling device, and the movable end of a water pipe on the pipe coiling device penetrates through the fixing ring to enter the water surface.
The pipe coiling device is of a manual structure, a pipe coiling device baffle is arranged at a position corresponding to the bottom of a pipe coiling device handle, the pipe coiling device baffle is connected with the upper surface of the sliding rail device, and the pipe coiling device handle is fixedly connected with the pipe coiling device baffle when a rotary table does not work; the side wall of the pipe coiling device is provided with an LED screen, the end part of the water pipe is provided with a water quality sensor, and the water quality sensor uploads sensed data to the LED screen for display.
The upper surface of the sliding rail device is provided with a vacuum pump, and the output end of the water pipe is connected with the filtering device through the vacuum pump.
The structure of the filtering device comprises a water tank arranged on the upper surface of a slide rail device, a ball float valve is arranged in the water tank, the outlet of the water pipe is connected with the water inlet of the ball float valve, the outlet of the ball float valve is connected with a water outlet pipe through a water pipe support, and the end part of the water outlet pipe is provided with a wide opening; the outside at the water tank is equipped with the screen cloth support, screen cloth support top horizontal connection screen cloth, and the screen cloth is located the wide-mouth under.
The floating ball part of the floating ball valve is provided with an upper floating line, and the position of the floating ball part is adjusted up and down through an adjusting screw; the inner surface of the water tank is provided with scale marks, and the positions of the upper floating lines correspond to the positions of the scale marks.
The water outlet of the water pipe is connected with a three-way valve, one end of the three-way valve is connected with a waste water pipe, and the other end of the three-way valve penetrates through the water tank to be connected with the inlet of the ball float valve.
The tank body of the water tank is of an inclined plane structure, and a water outlet is arranged on the water tank corresponding to the high position of the inclined plane.
The bottom of the slide rail device is provided with a slide rail vehicle, the bottom surface of the slide rail vehicle is provided with a plurality of electric rail wheels which are in rolling fit with the rail, and the electric rail wheels are provided with a driving power supply by a slide rail vehicle power supply arranged on the slide rail device; the middle part of the bottom surface of the slide rail car is provided with a collision switch, the ends of the two ends of the track are provided with a steering gear, the inner end part of the steering gear is provided with a spring, and the position of the spring corresponds to the position of the collision switch.
The method for collecting the water sample by adopting the semi-automatic quantitative aquatic organism collecting device comprises the following steps:
1) assembling the rails along the river bank, and then placing the sliding rail device on the rails; the water inlet device and the filtering device are arranged on the sliding rail device;
2) converting the depth of the water outlet pipe entering water according to the extending length of the water pipe, installing a balancing weight at the rear end part of the water pipe after the end part of the water pipe penetrates through the fixing ring in order to ensure the gravity of the end part of the water pipe, arranging a water quality sensor to observe the water quality, and observing the water quality in real time through an LED screen;
3) starting a vacuum pump, opening a first outlet of a three-way valve, discharging initial sewage from a waste water pipe, then opening a second outlet of the three-way valve, and simultaneously starting an electric track wheel to enable the slide rail device to move at a constant speed along a track;
4) the water pipe can collect water in a horizontal line with the same depth, the collected water enters the water tank after being filtered by the screen, and when the water in the water tank enables the floating ball to float upwards and meet the collection quantitative requirement, the floating ball valve is closed;
5) the water outlet is opened to discharge the water in the water tank, and the collection is completed.
In summary, compared with the prior art, the semi-automatic quantitative aquatic organism collecting device has the beneficial effects that:
1) the device solves the problem that the representativeness of the aquatic organism collecting device in the horizontal direction is not enough, and a horizontal sampling interval can be freely set according to the requirement;
2) the pressure sensor of the device can simultaneously measure the water depth, the water temperature and the dissolved oxygen content in the water sample in situ, and display the numerical value on the LED screen, compared with the traditional method, the method is more direct, clear and rapid, and simultaneously, the measurement result can be more accurate due to the in situ measurement;
3) the device can adapt to sampling at different depths;
4) the device saves manpower, can realize semi-automatic collection of aquatic organisms, and improves the collection efficiency;
5) the device of the invention provides a novel semi-automatic acquisition device for areas needing fixed-point detection, such as lakes, reservoirs and the like;
6) the device can be suitable for irregular river banks and has a wide application range.
Drawings
FIG. 1 is a top view of a semi-automatic quantitative aquatic organism harvesting apparatus.
Fig. 2 is a schematic structural diagram of a water inlet device.
Fig. 3 is a schematic structural view of the filter device.
Figure 4-1 is a bottom view of the connection of the bottom surface of the railcar to other components.
Fig. 4-2 is a front view of the connection of the bottom surface of the railcar to other components.
Fig. 4-3 are schematic structural views of the conductive spring ball.
Detailed Description
As shown in fig. 1 to 3, a semi-automatic quantitative aquatic organism collecting device is provided with a track 3-1 along the river bank, and the track 3-1 is connected with a slide rail device 3 in a sliding way; the slide rail device 3 is provided with a water inlet device 1 and a filtering device 2, one end of the water inlet device 1 extends a water pipe 1-5 into the sampling water, and the other end of the water inlet device 1 connects the output end of the water pipe 1-5 with the filtering device 2 through a vacuum pump 1-9.
As shown in fig. 2, the water inlet device 1 structurally comprises a rotating shaft 1-1-1 arranged on the upper surface of a sliding rail device 3, wherein the rotating shaft 1-1-1 is movably connected with one end of an extension pipe 1-1, the other end of the extension pipe 1-1 extends above the water surface, and the end part of the extension pipe is provided with a fixing ring 1-2; the upper surface of the sliding rail device 3 is also provided with a pipe coiling device 1-6, and the movable end of a water pipe 1-5 on the pipe coiling device 1-6 passes through the fixing ring 1-2 and enters the water surface. The pipe coiling device 1-6 is of a manual structure, a pipe coiling device baffle plate 1-6-2 is arranged at the corresponding position of the bottom of a pipe coiling device handle 1-6-1, the pipe coiling device baffle plate 1-6-2 is connected with the upper surface of the sliding rail device 3, and the pipe coiling device handle 1-6-1 is fixedly connected with the pipe coiling device baffle plate 1-6-2 when the rotary table does not work; the side wall of the pipe coiling device 1-6 is provided with an LED screen 1-7, the end part of the water pipe 1-5 is provided with a water quality sensor 1-4, and the water quality sensor 1-4 uploads the sensed data to the LED screen 1-7 for display.
As shown in fig. 3, the structure of the filtering device 2 comprises a water tank 2-7 arranged on the upper surface of a slide rail device 3, a float valve 2-2 arranged in the water tank 2-7, an outlet of a water pipe 1-5 connected with a water inlet of the float valve, an outlet of the float valve connected with a water outlet pipe through a water pipe support 2-3, and a wide opening 2-4 arranged at the end of the water outlet pipe; and a screen support 2-6 is arranged outside the water tank 2-7, the top of the screen support 2-6 is horizontally connected with a screen 2-5, and the screen 2-5 is positioned under the wide opening 2-4.
The floating ball part of the floating ball valve 2-2 is provided with an upper floating line 2-2-2, and the position of the floating ball part is adjusted up and down through an adjusting screw 2-2-1; the inner surface of the water tank 2-7 is provided with scale marks, the position of the upper floating line 2-2-2 corresponds to the position of the scale marks, when the upper floating line 2-2-2 reaches the designated scale, the ball float valve 2-2 is closed, and no water enters the water tank.
The water outlet of the water pipe 1-5 is connected with a three-way valve 2-1, the outlet of one end of the three-way valve 2-1 is connected with a waste water pipe 2-9, turbid water disturbing water flow in the early stage or turbid water in the water pipe is discharged, and the other end of the three-way valve passes through a water tank 2-7 and is connected with the inlet of a float valve 2-2.
The box body of the water tank is of an inclined plane structure, and a water outlet 2-8 is arranged on the water tank 2-7 corresponding to the high position of the inclined plane, so that the water can be smoothly discharged to finish sampling.
As shown in fig. 4-1 and 4-2, a slide rail car 3-2 is arranged at the bottom of the slide rail device 3, a plurality of electric rail wheels 3-2-2 which are in rolling fit with the rail 3-1 are arranged on the bottom surface of the slide rail car 3-2, the electric rail wheels 3-2-2 are respectively connected with a collision switch 3-2-6 through a motor forward rotation line 3-2-4 and a motor reverse rotation line 3-2-3, the collision switch 3-2-6 is arranged in the middle of the bottom surface of the slide rail car 3-2, and the electric rail wheels 3-2-2 are provided with a driving power supply by a slide rail car power supply 3-2-1 arranged on the slide rail device 3; the end heads of the two ends of the track 3-1 are provided with a steering gear 3-2-7, the inner end part of the steering gear is provided with a spring, and the position of the spring corresponds to the position of the collision switch 3-2-6.
As shown in fig. 4-3, the conductive spring balls 3-2-5 are arranged on the upper side and the lower side of the collision switch 3-2-6, and move leftwards under the elastic force of the steering gear 3-2-7 until the end part of the collision switch is contacted with the conductive spring ball 3-2-5 on the left side, so that the motor reversing circuit is switched on, and the electric rail wheel 3-2-2 starts to move reversely. The conductive spring ball consists of a small metal ball 3-2-5-1, a spring 3-2-5-2, a lead 3-2-5-3 and a vertical baffle 3-2-5-4. The metal block in the middle of the collision switch 3-2-6 is in contact with the small metal ball 3-2-5-1 to be extruded, so that the metal block compresses the spring 3-2-5-2 and moves towards the inside of the vertical baffle 3-2-5-4, and the vertical baffle 3-2-5-4 is conducted with a corresponding forward circuit or reverse circuit in the vertical baffle to form a closed circuit.
The method for collecting the water sample by adopting the semi-automatic quantitative aquatic organism collecting device is characterized by comprising the following steps:
1) assembling the track 3-1 along the river bank, and then placing the slide rail device 3 thereon; the water inlet device and the filtering device are arranged on the sliding rail device 3;
2) the depth of the water outlet pipe 1-5 entering water is converted according to the extending length of the water pipe 1-5, in order to ensure the gravity of the end part of the water pipe 1-5, the end part of the water pipe 1-5 penetrates through the fixed ring 1-2, the end part is provided with a balancing weight 1-3, a water quality sensor 1-4 is arranged to observe water quality, and the water quality is observed in real time through an LED screen 1-7;
3) starting a vacuum pump 1-9, opening a first outlet of a three-way valve 2-1, discharging initial sewage from a waste water pipe 2-9, then opening a second outlet of the three-way valve 2-1, and simultaneously starting an electric track wheel 3-2-2 to enable the slide rail device to move along a track 3-1 at a constant speed;
4) the water pipe 1-5 can collect water in a horizontal line with the same depth, the collected water enters the water tank 2-7 after being filtered by the screen 2-5, and when the water in the water tank 2-7 enables the floating ball to float upwards and reach the collection quantitative requirement, the floating ball valve 2-2 is closed;
5) the water outlet 2-8 is opened to discharge the water in the water tank, and the collection is completed.

Claims (10)

1. The utility model provides a semi-automatic quantitative aquatic organisms collection system which characterized in that: a track (3-1) is arranged along the river bank, and the track (3-1) is connected with a sliding rail device (3) in a sliding way; the slide rail device (3) is provided with a water inlet device (1) and a filtering device (2), one end of the water inlet device (1) extends a water pipe (1-5) into the sampling water, and the other end of the water inlet device (1) connects the water pipe (1-5) with the filtering device (2).
2. A semi-automatic quantitative aquatic organism harvesting apparatus according to claim 1, wherein: the structure of the water inlet device (1) comprises a rotating shaft (1-1-1) arranged on the upper surface of a sliding rail device (3), wherein the rotating shaft (1-1-1) is movably connected with one end of an extension pipe (1-1), the other end of the extension pipe (1-1) extends above the water surface, and a fixing ring (1-2) is arranged at the end part of the extension pipe; the upper surface of the sliding rail device (3) is also provided with a pipe coiling device (1-6), and the movable end of a water pipe (1-5) on the pipe coiling device (1-6) passes through the fixing ring (1-2) and enters the water surface.
3. A semi-automatic quantitative aquatic organism harvesting apparatus according to claim 2, wherein: the pipe coiling device (1-6) is of a manual structure, a pipe coiling device baffle (1-6-2) is arranged at a position corresponding to the bottom of a pipe coiling device handle (1-6-1), the pipe coiling device baffle (1-6-2) is connected with the upper surface of the sliding rail device (3), and the pipe coiling device handle (1-6-1) is fixedly connected with the pipe coiling device baffle (1-6-2) when a rotary table does not work; the side wall of the pipe coiling device (1-6) is provided with an LED screen (1-7), the end part of the water pipe (1-5) is provided with a water quality sensor (1-4), and the water quality sensor (1-4) uploads sensed data to the LED screen (1-7) for display.
4. A semi-automatic quantitative aquatic organism harvesting apparatus according to claim 2, wherein: the upper surface of the sliding rail device (3) is provided with a vacuum pump (1-9), and the output end of the water pipe (1-5) is connected with the filtering device (2) through the vacuum pump (1-9).
5. A semi-automatic quantitative aquatic organism harvesting apparatus according to claim 1, wherein: the structure of the filtering device (2) comprises that a water tank (2-7) is arranged on the upper surface of a sliding rail device (3), a float valve (2-2) is arranged in the water tank (2-7), the outlet of a water pipe (1-5) is connected with the water inlet of the float valve, the outlet of the float valve is connected with a water outlet pipe through a water pipe support (2-3), and the end part of the water outlet pipe is provided with a wide opening (2-4); a screen support (2-6) is arranged outside the water tank (2-7), the top of the screen support (2-6) is horizontally connected with a screen (2-5), and the screen (2-5) is positioned under the wide opening (2-4).
6. A semi-automatic quantitative aquatic organism harvesting apparatus according to claim 5, wherein: an upper floating line (2-2-2) is arranged on a floating ball part of the floating ball valve (2-2), and the position of the floating ball part is adjusted up and down through an adjusting screw (2-2-1); the inner surface of the water tank (2-7) is provided with scale marks, and the position of the upper floating line (2-2-2) corresponds to the position of the scale marks.
7. A semi-automatic quantitative aquatic organism harvesting apparatus according to claim 5, wherein: the water outlet of the water pipe (1-5) is connected with a three-way valve (2-1), the outlet at one end of the three-way valve (2-1) is connected with a waste water pipe (2-9), and the other end of the three-way valve passes through a water tank (2-7) and is connected with the inlet of the float valve (2-2).
8. A semi-automatic quantitative aquatic organism harvesting apparatus according to claim 5, wherein: the tank body of the water tank is of an inclined plane structure, and a water outlet (2-8) is arranged on the water tank (2-7) corresponding to the high position of the inclined plane.
9. A semi-automatic quantitative aquatic organism harvesting apparatus according to claim 1, wherein: the bottom of the sliding rail device (3) is provided with a sliding rail vehicle (3-2), the bottom surface of the sliding rail vehicle (3-2) is provided with a plurality of electric rail wheels (3-2-2) which are in rolling fit with the rail (3-1), and the electric rail wheels (3-2-2) are provided with a driving power supply by a sliding rail vehicle power supply (3-2-1) arranged on the sliding rail device (3); the middle part of the bottom surface of the slide rail car (3-2) is provided with a collision switch (3-2-6), the ends of the two ends of the track (3-1) are provided with a steering gear (3-2-7), the inner end part of the steering gear is provided with a spring, and the position of the spring corresponds to the position of the collision switch (3-2-6).
10. The method for collecting the water sample by adopting the semi-automatic quantitative aquatic organism collecting device is characterized by comprising the following steps:
1) assembling the track (3-1) along the river bank, and then placing the sliding rail device (3) on the track; the water inlet device and the filtering device are arranged on the sliding rail device (3);
2) the depth of the water outlet pipe (1-5) entering water is converted according to the extending length of the water pipe (1-5), in order to ensure the gravity of the end part of the water pipe (1-5), the end part of the water pipe (1-5) penetrates through the fixing ring (1-2) and then is provided with a balancing weight (1-3), a water quality sensor (1-4) is arranged to observe water quality, and an LED screen (1-7) is used for real-time observation;
3) starting a vacuum pump (1-9), opening a first outlet of a three-way valve (2-1), discharging initial sewage from a waste water pipe (2-9), then opening a second outlet of the three-way valve (2-1), and simultaneously starting an electric track wheel (3-2-2) to enable the slide rail device to move along a track (3-1) at a constant speed;
4) the water pipe (1-5) can collect water in a horizontal line with the same depth, the collected water enters the water tank (2-7) after being filtered by the screen (2-5), and when the water in the water tank (2-7) enables the floating ball to float upwards and reaches the collection quantitative requirement, the floating ball valve (2-2) is closed;
5) the water outlet (2-8) needs to be opened to discharge the water in the water tank, and the collection is finished.
CN202110744610.2A 2021-07-01 2021-07-01 Semi-automatic quantitative aquatic organism collecting device and collecting method thereof Pending CN113495016A (en)

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Application Number Priority Date Filing Date Title
CN202110744610.2A CN113495016A (en) 2021-07-01 2021-07-01 Semi-automatic quantitative aquatic organism collecting device and collecting method thereof

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Application Number Priority Date Filing Date Title
CN202110744610.2A CN113495016A (en) 2021-07-01 2021-07-01 Semi-automatic quantitative aquatic organism collecting device and collecting method thereof

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CN113495016A true CN113495016A (en) 2021-10-12

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007263892A (en) * 2006-03-29 2007-10-11 Chugoku Electric Power Co Inc:The Distribution investigation system of plankton
CN108444768A (en) * 2018-06-22 2018-08-24 郑州贯奥仪器仪表有限公司 A kind of novel water quality of river sampling apparatus
CN111693335A (en) * 2020-06-19 2020-09-22 中国科学院生态环境研究中心 System for micro-plastic grading collection and water parameter synchronous monitoring in water body
CN212904047U (en) * 2020-08-12 2021-04-06 南京创珂环保科技有限公司 Environmental sewage monitoring device
CN112964512A (en) * 2021-02-20 2021-06-15 辽宁大学 Portable electric deepwater layered water collection device and water collection method thereof
CN113008617A (en) * 2021-02-16 2021-06-22 薛晶 River course rivers quality testing sampling equipment for hydraulic engineering

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007263892A (en) * 2006-03-29 2007-10-11 Chugoku Electric Power Co Inc:The Distribution investigation system of plankton
CN108444768A (en) * 2018-06-22 2018-08-24 郑州贯奥仪器仪表有限公司 A kind of novel water quality of river sampling apparatus
CN111693335A (en) * 2020-06-19 2020-09-22 中国科学院生态环境研究中心 System for micro-plastic grading collection and water parameter synchronous monitoring in water body
CN212904047U (en) * 2020-08-12 2021-04-06 南京创珂环保科技有限公司 Environmental sewage monitoring device
CN113008617A (en) * 2021-02-16 2021-06-22 薛晶 River course rivers quality testing sampling equipment for hydraulic engineering
CN112964512A (en) * 2021-02-20 2021-06-15 辽宁大学 Portable electric deepwater layered water collection device and water collection method thereof

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