CN108918176A - A kind of sewage detection sludge sampler - Google Patents
A kind of sewage detection sludge sampler Download PDFInfo
- Publication number
- CN108918176A CN108918176A CN201811100580.6A CN201811100580A CN108918176A CN 108918176 A CN108918176 A CN 108918176A CN 201811100580 A CN201811100580 A CN 201811100580A CN 108918176 A CN108918176 A CN 108918176A
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- China
- Prior art keywords
- sampler
- sludge
- drawstring
- cabinet
- fixedly installed
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- 239000010802 sludge Substances 0.000 title claims abstract description 56
- 239000010865 sewage Substances 0.000 title claims abstract description 21
- 238000001514 detection method Methods 0.000 title claims abstract description 19
- 230000001681 protective effect Effects 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000000523 sample Substances 0.000 claims description 69
- 238000012856 packing Methods 0.000 claims description 14
- 241000883990 Flabellum Species 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000005070 sampling Methods 0.000 abstract description 22
- 239000000463 material Substances 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000013461 design Methods 0.000 description 9
- 238000005457 optimization Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- 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
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a kind of sewage detection sludge samplers, including air bag and the protective case being sleeved on outside air bag, are fixedly installed with multiple driving devices on the protective case outer wall, drive protective case mobile to any direction in water by multiple driving devices；The protective case lower surface is fixedly installed with cabinet; multiple groups jack is installed in the cabinet; it is hung with a drawstring on every group of jack, drawstring expansion is driven by jack or packs up, the cabinet lower surface offers the lacing hole for stretching out cabinet for drawstring.Beneficial effect is：A kind of sewage detection of the present invention can carry out sludge sampling in bottom of pond automatically with sludge sampler, without manually upper hand sampling, it is time saving and energy saving, and do not have to worry that mud sample is broken up by water flow, therefore it can accomplish that a sample point only samples once, sample time effectively is saved, is greatly reduced and samples spent human and material resources and time cost, practicability is good.
Description
Technical field
The present invention relates to sewage detection fields, and in particular to a kind of sewage detection sludge sampler.
Background technique
Currently, needing periodically to carry out detection point to the sludge at sewage pool bottom during sewage treatment plant handles sewage
Analysis.It, can only be by artificial acquisition sludge, acquisition method but due to there is no a kind of equipment dedicated for acquiring sludge
It is：By a root long bar, sampler is mounted on to one end of stock, then operator holds stock sampler insertion bottom of pond is dirty
It is sampled in mud, later, lifts stock upwards, sludge in sampler is taken out, next sample point is then gone to continue to take
Sample, since the sample point in the same cesspool is more, and spacing is farther out, therefore entire sampling operation needs to expend longer people
Power material resources, and sample rate is slow, in addition, sampler will receive water flow during taking out sampler from bottom of pond
It impacts, sampling sludge is easy to be broken up by water flow, and therefore, the same sampling spot is likely to require multiplicating sampling and can just take enough
Enough sludge samples, this undoubtedly further increases the time cost of sampling.
Based on this, design is of the invention.
Summary of the invention
The object of the invention is that a kind of sewage detection sludge sampler is provided to solve the above-mentioned problems, with
It solves to rely on manual sampling not only time-consuming and laborious in the prior art, but also sometimes needs to be repeated several times in the same sample point and take
Sample could obtain the mud sample of sufficient amount, further increase sample time, sample spent human and material resources and time at
The problems such as this is higher, not very practical.Preferred technical solution can be realized dependence in many technical solutions provided by the invention
Sampler carries out sludge sampling in bottom of pond automatically, time saving and energy saving without manually upper hand sampling, and does not have to worry mud sample
It is broken up by water flow, therefore can accomplish that a sample point only samples once, effectively save sample time, sampling is greatly reduced and spends
The human and material resources and time cost taken, the technical effects such as practicability is good, elaboration as detailed below.
To achieve the above object, the present invention provides following technical schemes：
A kind of sewage detection sludge sampler provided by the invention, including air bag and the protection being sleeved on outside air bag
Set is fixedly installed with multiple driving devices on the protective case outer wall, by multiple driving devices drive protective case in water to
Any direction is mobile；The protective case lower surface is fixedly installed with cabinet, is equipped with multiple groups jack in the cabinet, and every group
It is hung with a drawstring on jack, drawstring expansion is driven by jack or packs up, the cabinet lower surface opens up
There is the lacing hole for stretching out cabinet for drawstring, one is mounted on every drawstring for measuring the pulling force for the pulling force that drawstring is subject to
Sensor, the lower end of more drawstrings are fixedly connected with the same platform sling, are fixedly installed with Electrohydraulic push rod, institute on the platform sling vertically
State the sampler being fixedly installed on the push rod cup of Electrohydraulic push rod lower end for obtaining sludge to bottom of pond；
It is equipped on the air bag for the battery case for the work power supply of sludge sampler, the battery case passes through conducting wire
It is electrically connected with remote controler, remote controler works for manually control sludge sampler, is equipped with and draws on the remote controler
The processor of force snesor electrical connection and the display screen being electrically connected with processor.
As the significant design of this case, the driving device includes propeller and is fixedly mounted on the protective sleeve for driving
The rotating electric machine of propeller rotation.
As the optimization design of this case, the jack includes the rack being fixedly mounted in cabinet, is fixedly mounted on
Wiring motor in rack and the wiring roller connecting with wiring motor drive, drawstring upper end are wrapped on wiring roller, pass through wiring
Motor drives wiring roller rotation that drawstring is crimped or is unfolded.
As the optimization design of this case, the sampler includes the push rod being fixedly connected with the push rod cup of Electrohydraulic push rod lower end
Motor and probe tube are slidably fitted with driving motor in the probe tube, and are driven by push-rod electric machine and glided on driving motor
Dynamic, the driving motor lower end is fixedly installed with sampler barrel, is provided at the nozzle inner wall of the sampler barrel and scrapes trowel, works as sampling
Cylinder rotation when, scrape trowel rotate with by pool bottom sludge sweep be sent into sampler barrel in.
As the optimization design of this case, sliding sleeve has protection pipe, the protection pipe upper end and driving electricity outside the sampler barrel
Machine is fixedly connected.
As the optimization design of this case, the probe tube lower end is fixedly installed with elastic packing plate；
Wherein, when sampler barrel is located in probe tube, elastic packing plate is by end closure under probe tube；
Wherein, when push-rod electric machine pushes sampler barrel to stretch out probe tube, elastic packing plate is opened.
As the optimization design of this case, it is fixedly installed with multiple flabellums vertically on the platform sling side wall.
As the optimization design of this case, more drawstrings are distributed in platform sling upper surface circular array.
Above technical scheme is used, in use, into the water by sludge sampler, due to the presence of air bag, sludge is taken
Sampling device is all swum on the water surface from beginning to end, and later, starting driving device Work Promote sludge sampler is moved to sample point
Move it is close, after sludge sampler reach sample point after, control jack movement platform sling is put down, at this point, sampler is continuous
Sink, and before sampler bottoms out, tension sensor is able to detect that a pulling force signal and the signal is passed to processor,
It is shown after processor is handled on a display screen, operator station is controlled in bank hand-held remote controller, is seen when by display screen
When the pulling force detected to tension sensor becomes smaller and remains unchanged suddenly, illustrate that sampler has been sunk to the bottom, at this point, remote controller
It controls push-rod electric machine movement and releases sampler barrel from probe tube lower end, while starting driving motor, sampler barrel is in driving motor
It is rotatably inserted into sludge under drive, sludge is scraped trowel and sweeps and enter in probe tube, and after a period of time, operator operates remote control
Device control driving motor stops operating, and then controls push-rod electric machine and sampler barrel is driven to return in probe tube, later, controls radio and tape player
Platform sling is sling in structure movement, and since sampler barrel returns in probe tube, elastic packing plate can block probe tube lower end, in this way
It can stop water flow washing away to the sludge in sampler barrel to greatest extent, therefore can be realized a sample point and only sample once
Purpose, after platform sling is packed up, control driving device push sludge sampler it is close to bank, then take out mud sample i.e.
Can, in entire sampling process, operator only needs to stand in the control sludge sampler movement of bank hand-held remote controller, is not necessarily to
Manually upper hand sampling, it is time saving and energy saving, and do not have to worry that mud sample is broken up by water flow, therefore can accomplish a sample point only
Sampling is primary, effectively saves sample time, is greatly reduced and samples spent human and material resources and time cost, and practicability is good.
Beneficial effect is：A kind of sewage detection of the present invention can be carried out in bottom of pond automatically with sludge sampler
Sludge sampling, it is time saving and energy saving without manually upper hand sampling, and do not have to worry that mud sample is broken up by water flow, therefore can do
Only sampled once to a sample point, effectively save sample time, be greatly reduced sample spent human and material resources and time at
This, practicability is good.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is main view of the invention；
Fig. 2 is the internal structure chart of Fig. 1 of the invention；
Fig. 3 is the internal structure chart of cabinet of the invention；
Fig. 4 is the internal structure chart of sampler of the invention.
The reference numerals are as follows：
1, protective case；2, cabinet；3, rotating electric machine；4, propeller；5, air bag；6, battery case；7, remote controler；8, it shows
Screen；9, jack；10, drawstring；11, platform sling；12, flabellum；13, Electrohydraulic push rod；14, rack；15, wiring roller；16, wiring electricity
Machine；17, lacing hole；18, sampler；19, push-rod electric machine；20, probe tube；21, driving motor；22, sampler barrel；23, protection pipe；
24, elastic packing plate；25, trowel is scraped；26, tension sensor；27, processor.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, technical solution of the present invention will be carried out below
Detailed description.Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art are obtained all without making creative work
Other embodiment belongs to the range that the present invention is protected.
Shown in referring to figures 1-4, a kind of sewage detection sludge sampler provided by the invention, including air bag 5 and set
Protection outside air bag 5, protective case 1 are used to protect air bag 5, are fixedly installed with multiple driving devices on 1 outer wall of protective case,
Drive protective case 1 mobile to any direction in water by multiple driving devices；1 lower surface of protective case is fixedly installed with cabinet 2,
Multiple groups jack 9 is installed in cabinet 2, a drawstring 10 is hung on every group of jack 9, passes through 9 band of jack
The dynamic expansion of drawstring 10 is packed up, and 2 lower surface of cabinet offers the lacing hole 17 that cabinet 2 is stretched out for drawstring 10, every drawstring 10
On be mounted on one for measuring the tension sensor 26 of the pulling force that drawstring 10 is subject to, the lower end of more drawstrings 10 with it is same
Platform sling 11 is fixedly connected, and is fixedly installed with Electrohydraulic push rod 13 on platform sling 11 vertically, Electrohydraulic push rod 13 is for pushing sampler 18
Lower movement facilitates sampler 18 to sample, and is fixedly installed on the push rod cup of 13 lower end of Electrohydraulic push rod for obtaining sludge to bottom of pond
Sampler 18；
Be equipped on air bag 5 for for sludge sampler work power supply battery case 6, battery case 6 by conducting wire with it is distant
It controls device 7 to be electrically connected, remote controler 7 is equipped on remote controler 7 and pull sensing for manually control sludge sampler work
The processor 27 that device 26 is electrically connected and the display screen 8 being electrically connected with processor 27, are designed in this way, and tension sensor 26 is facilitated to detect
To value of thrust real-time display checked on display screen 8 for operator.
As optional embodiment, driving device includes propeller 4 and is fixedly mounted on protective case 1 for driving spiral shell
Revolve the rotating electric machine 3 that paddle 4 rotates.
Jack 9 includes the rack 14 being fixedly mounted in cabinet 2, the wiring motor 16 being fixedly mounted in rack 14
With the wiring roller 15 being sequentially connected with wiring motor 16,10 upper end of drawstring is wrapped on wiring roller 15, passes through 16 band of wiring motor
Drawstring 10 is crimped or is unfolded by the dynamic rotation of wiring roller 15.
Sampler 18 includes the push-rod electric machine 19 and probe tube 20 being fixedly connected with the push rod cup of 13 lower end of Electrohydraulic push rod, is taken
It is slidably fitted with driving motor 21 in sample pipe 20, and drives driving motor 21 to slide up and down by push-rod electric machine 19, driving motor
21 lower ends are fixedly installed with sampler barrel 22, are provided at the nozzle inner wall of sampler barrel 22 and scrape trowel 25, when sampler barrel 22 rotates,
Scrape trowel 25 rotate with by pool bottom sludge sweep be sent into sampler barrel 22 in.
22 outside sliding sleeve of sampler barrel has protection pipe 23, and 23 upper end of protection pipe is fixedly connected with driving motor 21, designs in this way,
Facilitate sampler barrel 22 to rotate, and friction will not be generated with elastic packing plate 24.Elastic packing plate 24 is avoided to wear.
20 lower end of probe tube is fixedly installed with elastic packing plate 24；
Wherein, when sampler barrel 22 is located in probe tube 20, probe tube 20 is descended end closure by elastic packing plate 24；
Wherein, when push-rod electric machine 19 pushes sampler barrel 22 to stretch out probe tube 20, elastic packing plate 24 is opened, and is set in this way
Meter primarily to mud sample will not be dissipated by current scour when preventing sampler barrel 22 from rising in water, therefore does not have to same
Sampling is repeated several times in one sample point, to realize that a sample point only samples once.
Multiple flabellums 12 are fixedly installed on 11 side wall of platform sling vertically, are designed in this way, primarily to preventing driving motor
21 rotations drive the sampling of 20 Effect of Rotation sampler barrel 22 of probe tube, because of the presence of flabellum 12, when probe tube 20 rotates, and flabellum 12
It will receive the blocking of water flow, therefore probe tube 20 is difficult with the rotation of a certain velocity-stabilization, therefore guarantee that sampler barrel 22 normally samples.
More drawstrings 10 are distributed in 11 upper surface circular array of platform sling, are designed in this way, guarantee that platform sling 11 is drawn by drawstring 10
Tightly without rotating.
Above technical scheme is used, in use, into the water by sludge sampler, due to the presence of air bag 5, sludge is taken
Sampling device is all swum on the water surface from beginning to end, and later, starting driving device Work Promote sludge sampler is moved to sample point
Move it is close, after sludge sampler reach sample point after, control jack 9 movement platform sling 11 is put down, at this point, sampler 18
Constantly sink, and before sampler 18 bottoms out, tension sensor 26 is able to detect that a pulling force signal and transmits the signal
To processor 27, it is shown on display screen 8 after the processing of processor 27, operator station is controlled in bank hand-held remote controller 7,
When the pulling force for seeing that tension sensor 26 detects by display screen 8 becomes smaller and remains unchanged suddenly, sampler 18 is illustrated
It sinks to the bottom, sampler barrel 22 is released from 20 lower end of probe tube at this point, remote controller 7 controls the movement of push-rod electric machine 19, is started simultaneously
Driving motor 21, sampler barrel 22 are rotatably inserted into sludge under the drive of driving motor 21, and sludge, which is scraped trowel 25 and swept, goes forward side by side
Enter in probe tube 20, after a period of time, operator's remote controller 7 controls driving motor 21 and stops operating, and then controls push rod
Motor 19 drives sampler barrel 22 to return in probe tube 20, and later, platform sling 11 is sling in the control movement of jack 9, due to sampling
Cylinder 22 returns in probe tube 20, therefore elastic packing plate 24 can block 20 lower end of probe tube, can hinder to greatest extent in this way
Water blocking stream is washed away to the sludge in sampler barrel 22, therefore be can be realized a sample point and only sampled primary purpose, to platform sling
After 11 pack up, control driving device pushes sludge sampler close to bank, then takes out mud sample, entire to sample
In the process, operator, which only needs to stand, controls the movement of sludge sampler in bank hand-held remote controller 7, takes without manually upper hand
Sample, it is time saving and energy saving, and do not have to worry that mud sample is broken up by water flow, therefore can accomplish that a sample point only samples once,
Sample time effectively is saved, is greatly reduced and samples spent human and material resources and time cost, practicability is good.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (8)
1. a kind of sewage detection sludge sampler including air bag (5) and is sleeved on the external protective case (1) of air bag (5),
It is characterized in that：Multiple driving devices are fixedly installed on protective case (1) outer wall, drive protective case by multiple driving devices
(1) mobile to any direction in water；Protective case (1) lower surface is fixedly installed with cabinet (2), peace in the cabinet (2)
Equipped with multiple groups jack (9), it is hung with a drawstring (10) on every group of jack (9), is driven by jack (9)
Drawstring (10) is unfolded or packs up, and cabinet (2) lower surface offers the lacing hole that cabinet (2) are stretched out for drawstring (10)
(17), the tension sensor (26) for being used to measure the pulling force that drawstring (10) is subject to is mounted on every drawstring (10), it is more
The lower end of root drawstring (10) is fixedly connected with the same platform sling (11), is fixedly installed with Electrohydraulic push rod vertically on the platform sling (11)
(13), the sampler (18) for obtaining sludge to bottom of pond is fixedly installed on the push rod cup of Electrohydraulic push rod (13) lower end；
It is equipped on the air bag (5) for the battery case (6) for the work power supply of sludge sampler, the battery case (6) is logical
It crosses conducting wire to be electrically connected with remote controler (7), remote controler (7) is for manually control sludge sampler work, the remote controler
(7) display screen (8) for being equipped with the processor (27) being electrically connected with tension sensor (26) on and being electrically connected with processor (27).
2. a kind of sewage detection sludge sampler according to claim 1, it is characterised in that：The driving device packet
It includes propeller (4) and is fixedly mounted on the rotating electric machine (3) on protective case (1) for driving propeller (4) to rotate.
3. a kind of sewage detection sludge sampler according to claim 1, it is characterised in that：The jack
(9) include the rack (14) being fixedly mounted in cabinet (2), the wiring motor (16) that is fixedly mounted on rack (14) and with around
The wiring roller (15) of rope motor (16) transmission connection, drawstring (10) upper end are wrapped on wiring roller (15), pass through wiring motor
(16) drive wiring roller (15) rotation that drawstring (10) are crimped or are unfolded.
4. a kind of sewage detection sludge sampler according to claim 1, it is characterised in that：The sampler (18)
Including the push-rod electric machine (19) and probe tube (20) being fixedly connected with the push rod cup of Electrohydraulic push rod (13) lower end, the probe tube
(20) it is slidably fitted with driving motor (21) in, and drives driving motor (21) to slide up and down by push-rod electric machine (19), it is described
Driving motor (21) lower end is fixedly installed with sampler barrel (22), is provided at the nozzle inner wall of the sampler barrel (22) and is scraped trowel
(25), when sampler barrel (22) rotate when, scrape trowel (25) rotate with by pool bottom sludge sweep be sent into sampler barrel (22) in.
5. a kind of sewage detection sludge sampler according to claim 4, it is characterised in that：The sampler barrel (22)
External sliding sleeve has protection pipe (23), and protection pipe (23) upper end is fixedly connected with driving motor (21).
6. a kind of sewage detection sludge sampler according to claim 4, it is characterised in that：The probe tube (20)
Lower end is fixedly installed with elastic packing plate (24)；
Wherein, when sampler barrel (22) be located at probe tube (20) it is interior when, elastic packing plate (24) is by end closure under probe tube (20)；
Wherein, when push-rod electric machine (19) push sampler barrel (22) to stretch out probe tube (20), elastic packing plate (24) is opened.
7. a kind of sewage detection sludge sampler according to claim 1, it is characterised in that：Platform sling (11) side
Multiple flabellums (12) are fixedly installed on wall vertically.
8. a kind of sewage detection sludge sampler according to claim 1, it is characterised in that：More drawstrings (10) exist
The distribution of platform sling (11) upper surface circular array.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811100580.6A CN108918176A (en) | 2018-09-20 | 2018-09-20 | A kind of sewage detection sludge sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811100580.6A CN108918176A (en) | 2018-09-20 | 2018-09-20 | A kind of sewage detection sludge sampler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108918176A true CN108918176A (en) | 2018-11-30 |
Family
ID=64408728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811100580.6A Pending CN108918176A (en) | 2018-09-20 | 2018-09-20 | A kind of sewage detection sludge sampler |
Country Status (1)
| Country | Link |
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| CN (1) | CN108918176A (en) |
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| CN110308252A (en) * | 2019-08-13 | 2019-10-08 | 成都苏杜地质工程咨询有限公司 | Tunnel toxic and harmful gas deep hole testing equipment and testing method |
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| CN113741301A (en) * | 2021-09-13 | 2021-12-03 | 北京哈崎机器人科技有限公司 | Remote controller |
| CN113741301B (en) * | 2021-09-13 | 2023-01-20 | 北京哈崎机器人科技有限公司 | Remote controller |
| CN114235498A (en) * | 2021-11-30 | 2022-03-25 | 颜广菊 | A UAV water source sampling device with stable flight function |
| CN114813244B (en) * | 2022-06-28 | 2022-11-04 | 山东省地质矿产勘查开发局第四地质大队(山东省第四地质矿产勘查院) | Water conservancy sludge sampling device and sampling method thereof |
| CN114813244A (en) * | 2022-06-28 | 2022-07-29 | 山东省地质矿产勘查开发局第四地质大队(山东省第四地质矿产勘查院) | Water conservancy sludge sampling device and sampling method thereof |
| CN115165445A (en) * | 2022-07-28 | 2022-10-11 | 自然资源部第三海洋研究所 | Device and method for synchronously collecting near-shore sediment columnar sample and overlying water |
| CN116754307A (en) * | 2023-08-10 | 2023-09-15 | 常州科德水处理成套设备股份有限公司 | Sewage treatment activated sludge detection sampler |
| CN116754307B (en) * | 2023-08-10 | 2023-11-03 | 常州科德水处理成套设备股份有限公司 | Sewage treatment activated sludge detection sampler |
| CN117136917A (en) * | 2023-08-29 | 2023-12-01 | 青岛海洋地质研究所 | Multitube siphon biological sampling device based on underwater vehicle |
| CN117136917B (en) * | 2023-08-29 | 2024-04-05 | 青岛海洋地质研究所 | A multi-tube siphon biological sampling device based on underwater submersible |
| CN118090316A (en) * | 2023-12-27 | 2024-05-28 | 大连海洋大学 | Sediment sampling equipment for submarine research in artificial fish reef area |
| CN118329530A (en) * | 2024-06-14 | 2024-07-12 | 山东华试工程咨询有限公司 | Benthos automatic sampling device for marine water ecological investigation |
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Application publication date: 20181130 |