CN111044326A - Portable sediment sampler and using method - Google Patents
Portable sediment sampler and using method Download PDFInfo
- Publication number
- CN111044326A CN111044326A CN201911355187.6A CN201911355187A CN111044326A CN 111044326 A CN111044326 A CN 111044326A CN 201911355187 A CN201911355187 A CN 201911355187A CN 111044326 A CN111044326 A CN 111044326A
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- bottom cover
- piston
- sampling cylinder
- traction rope
- sampler
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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
-
- 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
- G01N2001/1006—Dispersed solids
- G01N2001/1012—Suspensions
- G01N2001/1025—Liquid suspensions; Slurries; Mud; Sludge
-
- 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
- G01N2001/1418—Depression, aspiration
- G01N2001/1427—Positive displacement, piston, peristaltic
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Physics & Mathematics (AREA)
- Health & Medical 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)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention relates to a portable sediment sampler and a using method thereof, comprising a handle, wherein a bottom rod of the handle is connected with a connecting rod through a connecting sleeve; the two connecting rods are connected through a connecting sleeve, a sampling cylinder is arranged at the end part of the connecting rod farthest from the handle, the bottom of the sampling cylinder is open, and a semicircular cutting head is arranged at the bottom of the sampling cylinder; the bottom of the sampling cylinder is provided with a baffle, a semicircular bottom cover is arranged in an included angle between the baffle and the bottom of the sampling cylinder, the diameter end of the bottom cover is connected with the baffle, the arc end of the bottom cover is provided with two external small holes, and two ends of a bottom cover traction rope are respectively connected into the two external small holes; a piston is arranged in the inner cavity of the sampling cylinder, and a piston traction rod is arranged at the top of the piston; the vertical rod end of the piston traction rod is connected with the top of the piston, the turning part of the transverse rod is provided with a fixing ring, one end of the piston traction rope is fixed in the fixing ring, and the other end of the piston traction rope is connected with the middle part of the bottom cover traction rope. The invention has simple equipment, improves the sampling efficiency and can also collect the overlying water.
Description
Technical Field
The invention relates to a sampling device for sediment and overlying water, in particular to a portable sediment sampler for sampling sediment, surface sediment and overlying water in river channels, lakes, oceans, marshes and other water areas and a using method thereof.
Background
The bottom mud is an important component of the river and lake ecosystem, is a growing area and a habitat of most aquatic plants, animals and microorganisms, is also an active alternate zone of water-soil interface substances (physical, chemical and biological), and is a key for river and lake treatment. Meanwhile, the river and lake bottom mud is also an important gathering reservoir of river and lake nutrient substances, so that the pollution condition and hydrodynamic state of the river and lake water body can be indirectly reflected, and the bottom mud releases nutrient components to the overlying water body under the influence of external hydrodynamic factors, becomes a secondary pollution source and influences the water quality and eutrophication process of the river and lake water body. In order to study the migration and transformation processes of pollutants between the sediment and the water body and the influence on the environment of the water body, an original sediment sample must be drilled from the water to detect the content of the pollutants in the original sediment sample.
At present, the phenomena of low efficiency, difficult sampling and the like generally exist in a sediment sampling method. The traditional piston type cylindrical sediment sampler mainly has several problems: 1) in the process of forcibly taking mud downwards by the sampler, the metal connecting rod is easy to loosen; 2) the throwing sampler can incline and cannot be vertically inserted into sediment, so that the sediment leakage at the bottom of the sampling is caused. 3) The mud leakage phenomenon is easy to occur due to large mud collection amount.
Disclosure of Invention
Aiming at the problems, the invention aims to provide a portable sediment sampler and a using method thereof, which effectively solve the problems of looseness of a metal connecting rod and sediment leakage in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme: a portable sediment sampler comprises a handle, a connecting sleeve, a connecting rod, a sampling cylinder, a bottom cover, a piston traction rod, a piston traction rope, a bottom cover traction rope, a fixing ring, a piston, a semicircular cutting head and a baffle plate; the handle is of a T-shaped structure, and the end part of the bottom rod positioned in the T-shaped structure is connected with the connecting rod through the connecting sleeve; the sampling device comprises a handle, a connecting sleeve, a plurality of connecting rods, a sampling cylinder and a sharp semicircular cutting head, wherein the connecting rods are arranged in a plurality, every two connecting rods are connected through the connecting sleeve, the end part of the connecting rod farthest away from the handle is provided with the sampling cylinder, the sampling cylinder is of a semi-cylindrical structure, the bottom of the sampling cylinder is open, and the circular part of the bottom of the sampling cylinder is provided with the sharp semicircular cutting head; the baffle is arranged at the straight line part at the bottom of the sampling cylinder, and the baffle and the bottom of the sampling cylinder are vertically welded; the circular arc end of the bottom cover is provided with two external small holes, the bottom cover is arranged in the baffle, and the diameter end of the bottom cover is connected with the baffle; two ends of the bottom cover traction rope are respectively connected into the two external small holes, and the middle part of the bottom cover traction rope is positioned at the handle; the piston is arranged in the inner cavity of the sampling cylinder, and the piston traction rod is arranged at the top of the piston; the piston traction rod is of an L-shaped structure, the end of a vertical rod of the piston traction rod is connected with the top of the piston, the turning part of the transverse rod and the vertical rod is provided with the fixing ring, one end of the piston traction rope is fixed in the fixing ring, and the other end of the piston traction rope is connected with the middle part of the bottom cover traction rope.
Further, a bottom cover traction rope fixing ring corresponding to the two external small holes in the bottom cover is arranged at the top of the sampling cylinder; one end of the bottom cover traction rope is fixed with one external small hole, and the other end of the bottom cover traction rope sequentially penetrates through the two bottom cover traction rope fixing rings and then is fixed with the other external small hole.
Further, the top of sampling cylinder is provided with the threaded rod, this threaded rod with the connecting rod passes through the adapter sleeve is connected.
Further, the diameter of the bottom cap is slightly larger than the diameter of the cross section of the end part of the sampling cylinder.
Further, the top of the sampling cylinder is provided with a through hole for the piston traction rod to pass through, and the diameter of the through hole is slightly larger than that of the piston traction rod.
Further, the inboard of baffle be provided with two external aperture matches's on the bottom recess, the arc end inboard that is located this recess is provided with the baffle buckle.
Furthermore, the surface of each connecting rod is provided with scales.
Further, the sampling cylinder 4 is made of PVC.
The use method based on the sampler comprises the following steps when a sediment sample is collected: 1) the sampling cylinder is in threaded connection with the connecting rod through the connecting sleeve, the piston is pushed to the bottom of the sampling cylinder, and then the bottom cover is buckled on the bottom cover type recess of the baffle; 2) throwing the sampler into water, and slowly putting the piston traction rope and the bottom cover traction rope into the water along with the sampler under the condition of keeping no tension; 3) after the sampler touches the lake bottom, the handle is pressed down forcibly to ensure that the sampling cylinder is inserted into the sediment to the maximum extent; 4) under the condition of keeping the handle tightly held and keeping the sampling cylinder as stationary as possible, the piston traction rope and the bottom cover traction rope are lifted upwards until the piston traction rod reaches a preset scale on the connecting rod, which indicates that the bottom cover is closed and the piston is pulled to the highest point; 5) and lifting the connecting rod, the piston traction rope and the bottom cover traction rope to lift the sampler out of the water surface, and opening the bottom cover to finish the collection of the original bottom mud sample.
Further, when the covering water is collected, the steps of the using method are adopted, in the step 3), after the sampler touches the lake bottom, the sampler is lifted upwards by 5-10 cm, and then the subsequent steps are executed.
Due to the adoption of the technical scheme, the invention has the following advantages: 1. the invention has the function of preliminary dehydration in the process of upward traction of the piston, so that the volume of the collected sediment sample is reduced, and the transportation is convenient. 2. The metal connecting rods are connected through the connecting sleeves, so that a plurality of metal connecting rods can be spliced according to the length requirement, the reinforcing effect is achieved, the looseness is prevented, the metal connecting rods can be prevented from being soaked in water for a long time at the joints, the possibility of rusting is reduced, and the service life of the metal connecting rods is prolonged. 3. The bottom cover structure is designed at the bottom of the sampling cylinder, so that mud leakage can be prevented, and meanwhile, overlying water can be collected.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the sampler of the present invention;
FIG. 2 is a schematic view of the metal connecting rod structure of the present invention;
FIG. 3 is a schematic view of a bottom baffle of a cartridge of the present invention;
FIG. 4 is a side view of the sampler of the present invention;
FIG. 5 is a side view of a bottom baffle of a cartridge of the present invention.
Detailed Description
In the description of the present invention, it is to be understood that the terms "upper", "lower", "inside", "outside", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. The invention is described in detail below with reference to the figures and examples.
As shown in fig. 1 to 5, the invention provides a portable sediment sampler, which comprises a handle 1, a connecting sleeve 2, a connecting rod 3, a sampling cylinder 4, a connecting screw 5 between a piston and a piston traction rod, a bottom cover 6, a piston traction rod 7, a piston traction rope 8, a bottom cover traction rope 9, a fixing ring 12, a piston 14, a semicircular cutting head 15 and a baffle 16.
The handle 1 adopts a T-shaped structure, and the end part of the bottom rod positioned in the T-shaped structure is connected with the connecting rod 3 through the connecting sleeve 2; connecting rod 3 can set up to a plurality ofly, all connects through adapter sleeve 2 between two liang of connecting rods 3, is provided with sampling cylinder 4 apart from the 3 tip of the connecting rod of 1 farthest department of handle, and sampling cylinder 4 adopts the semi-cylindrical structure, the sampling of the bed mud of being convenient for. The bottom of the sampling cylinder 4 is opened, a sharp semicircular cutting head 15 is arranged at the circular part at the bottom of the sampling cylinder 4 and used for reducing mud feeding resistance, a baffle 16 is arranged at the linear part at the bottom, and the baffle 16 and the bottom of the sampling cylinder 4 are perpendicularly welded. The circular arc end of the bottom cover 6 is provided with two external small holes, the baffle 16 is internally provided with the bottom cover 6, the diameter end of the bottom cover 6 is connected with the baffle 16, and the bottom cover 6 is contained in the baffle 6 when mud is collected downwards. Two ends of a bottom cover traction rope 9 are respectively connected into the two external small holes, and the middle part of the bottom cover traction rope 9 is positioned at the handle 1; the bottom cover 6 is controlled by the bottom cover pulling rope 9 to keep a closed state when the mud is lifted upwards, so that the mud is prevented from leaking. A piston 14 is arranged in the inner cavity of the sampling cylinder 4, and a piston traction rod 7 is arranged at the top of the piston 14; the piston traction rod 7 is of an L-shaped structure, the end of a vertical rod of the piston traction rod 7 is connected with the top of a piston 14, a fixing ring 12 is arranged at the turning position of a transverse rod and the vertical rod, one end of a piston traction rope 8 is fixed in the fixing ring 12, the piston traction rod 7 is convenient to lift when the water is deep, and the other end of the piston traction rope 8 is connected with the middle of a bottom cover traction rope 9 to prevent knotting and winding caused by the fact that the rope is long and much.
In the above embodiment, the handle 1, the connecting sleeve 2 and each connecting rod 3 are made of metal materials.
In the above embodiments, the surface of the handle 1 is provided with a rubber coating, which can prevent the hand from slipping and facilitate the exertion of force.
In the above embodiments, the bottom bar of the handle 1 and the connecting bars 3 are both provided with wrench notches 10, which facilitates splicing the connecting bars 3.
In the above embodiments, the connecting sleeves 2 between the bottom rod of the handle 1 and the connecting rods 3 and between two adjacent connecting rods 3 can completely cover the interface.
In the above embodiments, the bottom cover pulling rope fixing ring 11 corresponding to the two external small holes on the bottom cover 6 is arranged on the top of the sampling cylinder 4. One end of the bottom cover hauling rope 9 is fixed with an external small hole, and the other end of the bottom cover hauling rope 9 sequentially penetrates through the two bottom cover hauling rope fixing rings 11 and then is fixed with another external small hole.
In the above embodiments, a threaded rod is arranged at the top of the sampling cylinder 4, and the threaded rod is connected with the connecting rod 3 through the connecting sleeve 2.
In the above embodiments, the diameter of the bottom cap 6 is slightly larger than the diameter of the end section of the cartridge 4, so as to effectively prevent the bottom cap 6 from being received into the cartridge 4 by excessive force.
In the above embodiments, the through hole 13 for the piston traction rod 7 to pass through is arranged at the top of the sampling cylinder 4, and the diameter of the through hole 13 is slightly larger than that of the piston traction rod 7, so that the phenomenon that water is sucked when water penetrates into the upper part of the piston 14 and then the piston traction rod 7 is pulled is prevented.
In the above embodiments, as shown in fig. 3 and 5, the inner side of the baffle 16 is provided with a groove 18 matching with two external small holes on the bottom cover 6, and the inner side of the arc-shaped end of the groove 18 is provided with a baffle buckle 17, so that the bottom cover 6 is rotated and clamped at the groove 18 of the baffle 16 when mud is collected downwards, and the mud is prevented from entering when the sampler is thrown.
In the above embodiments, the handle 1, the connecting rod 3, the connecting sleeve 2 and the sampling cylinder 4 are all connected through threads.
In the above embodiments, the sampling cylinder 4 is made of PVC for convenient observation during sampling.
In the above embodiments, the surface of each connecting rod 3 is provided with scales, so that the traction height can be conveniently recorded.
Based on the sampler, the invention also provides a using method of the portable sediment sampler, which comprises the following steps:
1) the sampling cylinder 4 and the connecting rod 3 are in threaded connection through the connecting sleeve 2, the piston 14 is pushed to the bottom of the sampling cylinder 4, and the buckle on the bottom cover 6 is clamped in the bottom cover type recess 18 of the baffle 16.
2) Throw the sample thief into the aquatic, slowly put into the aquatic along with the sample thief with piston haulage rope 8 and bottom haulage rope 9 under keeping the condition of no tension simultaneously, if the length can suitably increase the quantity of connecting rod 3 inadequately.
3) After the sampler touches the lake bottom, the handle 1 is pressed down forcibly to ensure that the sampling cylinder 4 is inserted into the sediment to the maximum extent.
4) With the grip handle 1 held tight and the cartridge 4 held as hard as possible in place, the piston pull-cord 8 and the bottom lid pull-cord 9 are pulled upwards until the piston pull-cord 7 reaches a predetermined scale on the connecting rod 3, indicating that the bottom lid 6 has been closed and the piston 14 has been pulled to the highest point.
5) The connecting rod 3, the piston traction rope 8 and the bottom cover traction rope 9 are lifted, the sampler is lifted out of the water surface, and the bottom cover 6 is opened to collect the originally-filled bottom mud sample.
In the steps, the step of collecting the overburden water is the same as the step of collecting the sediment sample, the sampler is lifted upwards by a little 5-10 cm after contacting the lake bottom, then the piston traction rope 8 and the bottom cover traction rope 9 are lifted until the piston traction rod 7 reaches the preset scale on the connecting rod 3, finally the connecting rod 3 and the two traction ropes are lifted simultaneously, the sampler is lifted out of the water surface, and the overburden water can be collected by opening the bottom cover 6.
In the sampling process, the lower port of the sampling cylinder 4 is sealed by the bottom cover 6 through pulling the piston traction rope 8 and the bottom cover traction rope 9 by hand, water is discharged from the through hole 13 at the upper end of the sampling cylinder 4, and the phenomenon that the sampling is hindered due to too large pressure in the sampling cylinder 4 is avoided. In the use process of the lifting sampler, the bottom mud improves the sampling efficiency in the closed space enclosed by the sampling cylinder 4 and the bottom cover 6, and the bottom mud and the overlying water are prevented from leaking.
The above embodiments are only for illustrating the present invention, and the structure, size, arrangement position and shape of each component can be changed, and on the basis of the technical scheme of the present invention, the improvement and equivalent transformation of the individual components according to the principle of the present invention should not be excluded from the protection scope of the present invention.
Claims (10)
1. A portable sediment sampler is characterized in that: the sampling device comprises a handle, a connecting sleeve, a connecting rod, a sampling cylinder, a bottom cover, a piston traction rod, a piston traction rope, a bottom cover traction rope, a fixing ring, a piston, a semicircular cutting head and a baffle plate;
the handle is of a T-shaped structure, and the end part of the bottom rod positioned in the T-shaped structure is connected with the connecting rod through the connecting sleeve; the sampling device comprises a handle, a connecting sleeve, a plurality of connecting rods, a sampling cylinder and a sharp semicircular cutting head, wherein the connecting rods are arranged in a plurality, every two connecting rods are connected through the connecting sleeve, the end part of the connecting rod farthest away from the handle is provided with the sampling cylinder, the sampling cylinder is of a semi-cylindrical structure, the bottom of the sampling cylinder is open, and the circular part of the bottom of the sampling cylinder is provided with the sharp semicircular cutting head; the baffle is arranged at the straight line part at the bottom of the sampling cylinder, and the baffle and the bottom of the sampling cylinder are vertically welded; the circular arc end of the bottom cover is provided with two external small holes, the bottom cover is arranged in the baffle, and the diameter end of the bottom cover is connected with the baffle; two ends of the bottom cover traction rope are respectively connected into the two external small holes, and the middle part of the bottom cover traction rope is positioned at the handle; the piston is arranged in the inner cavity of the sampling cylinder, and the piston traction rod is arranged at the top of the piston; the piston traction rod is of an L-shaped structure, the end of a vertical rod of the piston traction rod is connected with the top of the piston, the turning part of the transverse rod and the vertical rod is provided with the fixing ring, one end of the piston traction rope is fixed in the fixing ring, and the other end of the piston traction rope is connected with the middle part of the bottom cover traction rope.
2. The sampler of claim 1, further comprising: the top of the sampling cylinder is provided with a bottom cover traction rope fixing ring corresponding to the two external small holes on the bottom cover; one end of the bottom cover traction rope is fixed with one external small hole, and the other end of the bottom cover traction rope sequentially penetrates through the two bottom cover traction rope fixing rings and then is fixed with the other external small hole.
3. The sampler of claim 1, further comprising: the top of sampling cylinder is provided with the threaded rod, this threaded rod with the connecting rod passes through the adapter sleeve is connected.
4. The sampler of claim 1, further comprising: the diameter of the bottom cover is slightly larger than the diameter of the section of the end part of the sampling cylinder.
5. The sampler of claim 1, further comprising: the top of sampling cylinder is provided with the through-hole that is used for the piston traction bar passes, the diameter of through-hole slightly is greater than the diameter of piston traction bar.
6. The sampler of claim 1, further comprising: the inner side of the baffle is provided with a groove matched with the two external small holes on the bottom cover, and the inner side of the arc-shaped end positioned in the groove is provided with a baffle fastener.
7. The sampler of any one of claims 1 to 6, wherein: the surface of each connecting rod is provided with scales.
8. The sampler of any one of claims 1 to 6, wherein: the sampling cylinder 4 is made of PVC material.
9. A method for using the sampler according to claims 1 to 8, when collecting sediment samples, characterized by comprising the following steps:
1) the sampling cylinder is in threaded connection with the connecting rod through the connecting sleeve, the piston is pushed to the bottom of the sampling cylinder, and then the bottom cover is buckled on the bottom cover type recess of the baffle;
2) throwing the sampler into water, and slowly putting the piston traction rope and the bottom cover traction rope into the water along with the sampler under the condition of keeping no tension;
3) after the sampler touches the lake bottom, the handle is pressed down forcibly to ensure that the sampling cylinder is inserted into the sediment to the maximum extent;
4) under the condition of keeping the handle tightly held and keeping the sampling cylinder as stationary as possible, the piston traction rope and the bottom cover traction rope are lifted upwards until the piston traction rod reaches a preset scale on the connecting rod, which indicates that the bottom cover is closed and the piston is pulled to the highest point;
5) and lifting the connecting rod, the piston traction rope and the bottom cover traction rope to lift the sampler out of the water surface, and opening the bottom cover to finish the collection of the original bottom mud sample.
10. A method for using the sampler according to claims 1 to 8, when collecting the overlying water, characterized in that: the steps of the using method according to claim 9 are adopted, in the step 3), after the sampler touches the lake bottom, the sampler is lifted upwards by 5-10 cm, and then the subsequent steps are carried out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911355187.6A CN111044326A (en) | 2019-12-25 | 2019-12-25 | Portable sediment sampler and using method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911355187.6A CN111044326A (en) | 2019-12-25 | 2019-12-25 | Portable sediment sampler and using method |
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| CN111044326A true CN111044326A (en) | 2020-04-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911355187.6A Pending CN111044326A (en) | 2019-12-25 | 2019-12-25 | Portable sediment sampler and using method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113375977A (en) * | 2020-07-14 | 2021-09-10 | 中国科学院水生生物研究所 | Novel column mud sampler device |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101162187A (en) * | 2007-11-15 | 2008-04-16 | 南开大学 | Sediment columnar sampler |
| CN201344866Y (en) * | 2008-12-29 | 2009-11-11 | 中国科学院测量与地球物理研究所 | Sediment cylindrical sampling device |
| CN101762403A (en) * | 2009-12-18 | 2010-06-30 | 杭州电子科技大学 | Low-disturbance sealing device for sediment sampler |
| CN203422242U (en) * | 2013-08-16 | 2014-02-05 | 淮南矿业(集团)有限责任公司 | Bottom mud collecting device |
| CN204439409U (en) * | 2015-03-26 | 2015-07-01 | 广西壮族自治区环境监测中心站 | Storehouse, lake columnar sediment sampler |
| CN104964849A (en) * | 2015-04-14 | 2015-10-07 | 湖南永清环保研究院有限责任公司 | Novel sediment sampler |
| CN105136518A (en) * | 2015-09-28 | 2015-12-09 | 山东省淡水渔业研究院 | Cylindrical layered dredge and method for collecting underwater sludge |
| CN105784420A (en) * | 2016-04-13 | 2016-07-20 | 浙江大学 | Shallow water deposit and water sample collection device and method thereof |
| CN107655711A (en) * | 2017-10-12 | 2018-02-02 | 李乐乐 | A kind of unconsolidated sediment sampler |
| CN209148357U (en) * | 2018-12-10 | 2019-07-23 | 江西水利职业学院(江西省水利水电学校、江西省灌溉排水发展中心、江西省水利工程技师学院） | A kind of shallow lake sediment sampler |
| CN110595836A (en) * | 2019-10-15 | 2019-12-20 | 宁夏大学 | Surface layer sediment collector |
-
2019
- 2019-12-25 CN CN201911355187.6A patent/CN111044326A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101162187A (en) * | 2007-11-15 | 2008-04-16 | 南开大学 | Sediment columnar sampler |
| CN201344866Y (en) * | 2008-12-29 | 2009-11-11 | 中国科学院测量与地球物理研究所 | Sediment cylindrical sampling device |
| CN101762403A (en) * | 2009-12-18 | 2010-06-30 | 杭州电子科技大学 | Low-disturbance sealing device for sediment sampler |
| CN203422242U (en) * | 2013-08-16 | 2014-02-05 | 淮南矿业(集团)有限责任公司 | Bottom mud collecting device |
| CN204439409U (en) * | 2015-03-26 | 2015-07-01 | 广西壮族自治区环境监测中心站 | Storehouse, lake columnar sediment sampler |
| CN104964849A (en) * | 2015-04-14 | 2015-10-07 | 湖南永清环保研究院有限责任公司 | Novel sediment sampler |
| CN105136518A (en) * | 2015-09-28 | 2015-12-09 | 山东省淡水渔业研究院 | Cylindrical layered dredge and method for collecting underwater sludge |
| CN105784420A (en) * | 2016-04-13 | 2016-07-20 | 浙江大学 | Shallow water deposit and water sample collection device and method thereof |
| CN107655711A (en) * | 2017-10-12 | 2018-02-02 | 李乐乐 | A kind of unconsolidated sediment sampler |
| CN209148357U (en) * | 2018-12-10 | 2019-07-23 | 江西水利职业学院(江西省水利水电学校、江西省灌溉排水发展中心、江西省水利工程技师学院） | A kind of shallow lake sediment sampler |
| CN110595836A (en) * | 2019-10-15 | 2019-12-20 | 宁夏大学 | Surface layer sediment collector |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113375977A (en) * | 2020-07-14 | 2021-09-10 | 中国科学院水生生物研究所 | Novel column mud sampler device |
| CN113375977B (en) * | 2020-07-14 | 2022-07-01 | 中国科学院水生生物研究所 | Columnar mud sampler device |
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Application publication date: 20200421 |
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