CN110749472A - Sediment sedimentation experiment sampling device - Google Patents
Sediment sedimentation experiment sampling device Download PDFInfo
- Publication number
- CN110749472A CN110749472A CN201910891019.2A CN201910891019A CN110749472A CN 110749472 A CN110749472 A CN 110749472A CN 201910891019 A CN201910891019 A CN 201910891019A CN 110749472 A CN110749472 A CN 110749472A
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- hole
- sampling
- opening
- baffle
- sampling box
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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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
- G01N5/04—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by removing a component, e.g. by evaporation, and weighing the remainder
-
- 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
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- Life Sciences & Earth Sciences (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)
- Hydrology & Water Resources (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a sampling device for sediment settlement experiments, which comprises a barrel, wherein a through hole for sampling is formed in the barrel along the height direction of the barrel, a bracket is arranged on the outer side of the barrel, and a sampling box corresponding to the through hole is movably arranged on the bracket along the height direction of the barrel; the sampling box is provided with a first opening which can be correspondingly communicated with the through hole, and the sampling box is provided with a control device which controls the first opening to be communicated with the through hole. The control device comprises a first sliding groove arranged on the sampling box, a second baffle plate which can move along the first sliding groove is arranged in the first sliding groove, and the second baffle plate moves along the first sliding groove to control the first opening to be communicated with the through hole. According to the invention, through the arrangement of the sampling box and the control device, the sampling mode is more convenient, the sampling quantity is effectively controlled, the disturbance of the silt suspension is reduced, and the experimental measurement accuracy is improved.
Description
Technical Field
The invention relates to a sampling device, in particular to a sampling device for a sediment settlement experiment.
Background
The sediment sedimentation experiment generally refers to an experiment for preparing a sediment solution with a certain concentration in a laboratory artificial environment, standing and observing the sediment sedimentation phenomenon after uniformly stirring, and researching the sediment sedimentation rule and property. In order to research the sediment sedimentation rule, the rule that the sediment content at different heights changes along with time needs to be researched, and the liquids at different heights need to be sampled and analyzed in the experimental process. At present, the settlement device about carrying out silt and subsiding the consolidation experiment in the laboratory still has certain limitation, if sampling device is too big to the disturbance of silt suspension, the sampling process easily spills hourglass, experimental apparatus fragile scheduling problem.
Existing sampling systems also adopt methods of X and gamma rays, such as a plutonium low-energy X-ray source and a liquid phase sedimentation method, for particle analysis, but the use of the X and gamma rays is hazardous and is not advocated. Recently, methods such as ultrasonic wave can be used for researching sediment sedimentation experiments, for example, a method of dispersing fine-particle sediment by using an ultrasonic vibration instrument in analysis of particle size of viscous sediment, but ultrasonic wave cannot completely penetrate through a sediment column, and correlation degree of ultrasonic wave reflection signals and sediment concentration is poor.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to provide a sampling device for a sediment sedimentation experiment, which is more convenient in sampling mode, effectively controls the sampling amount, reduces the disturbance of sediment suspension and improves the measurement accuracy of the experiment.
The technical scheme is as follows: the sampling device for the sediment sedimentation experiment comprises a barrel, wherein a through hole for sampling is formed in the barrel along the height direction of the barrel, a support is arranged on the outer side of the barrel, and a sampling box corresponding to the through hole is movably arranged on the support along the height direction of the barrel; the sampling box is provided with a first opening which can be correspondingly communicated with the through hole, and the sampling box is provided with a control device which controls the first opening to be communicated with the through hole.
Preferably, be provided with first baffle on the support between sample box and the through-hole, be equipped with the second opening that can communicate with first opening, through-hole on the first baffle, the through-hole is connected with the second opening.
Preferably, the control device comprises a first chute arranged on the sampling box, and a second baffle plate which can move along the first chute is arranged in the first chute, and the second baffle plate moves along the first chute to control the communication between the first opening and the through hole.
Preferably, a push-pull rod for pushing the second baffle to move is connected to the second baffle.
Preferably, a third opening which can be communicated with the first opening and the through hole is arranged on the second baffle.
Preferably, a second sliding groove is formed in the position, in contact with the sampling box, of the support, and the sampling box moves out of or into the support along the second sliding groove.
Preferably, the second chute is transversely arranged on the bracket, and the sampling box is fixed on the bracket through the chute.
Preferably, the through hole is connected to the bracket by a hose.
Preferably, the hose is provided with a water stop clip for controlling the through hole to be communicated with the bracket.
Has the advantages that: compared with the prior art, the invention can obtain the following beneficial effects: 1. according to the invention, through the arrangement of the sampling box and the control device, the sampling mode is more convenient, the sampling quantity is effectively controlled, the disturbance of the silt suspension is reduced, and the experimental measurement accuracy is improved. 2. The device is simple, convenient to operate and high in practicability.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a side schematic view of the present invention;
FIG. 3 is a top view of the present invention;
fig. 4 is a schematic structural diagram of a first baffle of the present invention.
Detailed Description
The invention is described in further detail below with reference to the drawings and the detailed description.
As shown in fig. 1-4, wherein, 1-cylinder; 2-a hose; 3-a scaffold; 4-a through hole; 5-sampling box; 6-a first baffle; 7-a first opening; 8-a first chute; 9-a second baffle; 10-a push-pull rod; 11-a second opening; 12-second runner. The embodiment provides a sampling device for a sediment sedimentation experiment, which comprises a barrel body 1, wherein the barrel body 1 is a main body part of the sediment sedimentation experiment device, is used for containing sediment suspension and can be of a cylindrical structure; the barrel 1 is equipped with the through-hole 4 that is used for the sample all around along the barrel 1 direction of height, and through-hole 4 can be equally spaced setting from top to bottom on barrel 1. A support 3 is arranged on the outer side of the barrel 1, a sampling box 5 corresponding to the through hole 4 is movably arranged on the support 3 along the height direction of the barrel 1, a fixed support plate is arranged at a position corresponding to the through hole 4 to form a frame layer structure in order to stably place the sampling box 5 on the support 3, a sampling box 5 is placed on each layer of support plate, and the sampling box 5 can move out of or in from the support plates; in order to facilitate the removal or the movement of the sampling box 5, the support 3 is provided with a second sliding groove 12 on the contact surface of the sampling box 5 and the bottom of the support 3, the second sliding groove 12 can be located on the upper part, the lower part or the side surface of the sampling box 5, when the second sliding groove 12 is horizontal on the support 3, and under the condition that no supporting plate is arranged, the second sliding groove 12 can be used as a support for the sampling box 5 on one hand, and can facilitate the removal or the movement of the sampling box 5 on the other hand. The sampling box 5 is provided with a first opening 7 which can be correspondingly communicated with the through hole 4 on the surface corresponding to the through hole 4, and the sampling box 5 is provided with a control device which controls the first opening 7 to be communicated with the outside, namely, the control device is communicated with the through hole 4. The sampling boxes 5 are independent from each other and do not influence each other.
Fixedly on the support 3 between sample box 5 and through-hole 4 be provided with first baffle 6, be equipped with second opening 11 on the first baffle 6, through-hole 4 passes through hose 2 and is connected with second opening 11, is equipped with the stagnant water clamp on hose 2, thereby the control stagnant water clamp opens and shuts and controls the interior suspension of barrel to flow out to sample box 5. When the first baffle 6 is not arranged, the through hole 4 is movably connected with the sampling box 5 through the hose 2, and when the sampling box 5 needs to be moved out of the bracket 3, the water clamp is clamped, and the connection between the hose 2 and the sampling box 5 is disconnected; when the through hole 4 needs to be communicated with the sampling box 5, the hose 2 is used for connection again.
The control device comprises a first sliding groove 8 arranged on one side of the sampling box 5, which is positioned at the first opening 7, and a second baffle 9 which can move along the first sliding groove 8 in the first sliding groove 8, wherein the second baffle 9 moves along the first sliding groove 8 to control the first opening 7 to be communicated with the through hole 4. In order to push and pull the second baffle 9 more conveniently, a push-pull rod 10 is connected to the second baffle 9, and the second baffle 9 is pushed by the push-pull rod 10 to move during operation so as to control the first opening 7 to be communicated with the through hole 4. The second baffle 9 is provided with a third opening (not shown in the figure), and the second baffle 9 is moved to make the third opening staggered or overlapped with the first opening 7 to control the first opening 7 to be communicated with the through hole 4.
The working process of the invention is as follows:
the device is installed and the sediment sedimentation test is carried out, wherein the cylinder body 1 is connected with the second opening 11 on the first baffle 6 through the hose 2, and the suspension flows into and fills the sampling box 5. During sampling, firstly, a sampling box at a certain height is determined to be selected for sampling, then the corresponding hose 2 is clamped by a water stop clamp, the sediment suspension in the barrel body 1 is prevented from continuously flowing into the sampling box 5 at the position, the second baffle plate 9 is moved through the push-pull rod 10, the third opening is staggered with the first opening 7 on the sampling box 5, so that the first opening 7 is blocked, the sampling box 5 is completely sealed, then the sealed sampling box 5 is drawn out along the second sliding groove 12, and the sampling at the certain height at the moment is completed. The push-pull rod 10 is moved again to make the third opening on the second baffle 9 coincide with the first opening 7 on the sampling box 5, the obtained silt suspension is poured into a culture dish, and finally the sampling box 5 is reset, namely is arranged on the bracket 3 along the second chute 12. And (5) performing subsequent drying and weighing by using the sample in the culture dish, namely completing the measurement of the silt concentration at the height at the moment. When not setting up first baffle 6 on support 3, through-hole 4 passes through hose 2 and sample box 5 swing joint, keeps through-hole 4 and the first opening 7 intercommunication on the sample box 5 through the controlling means on the sample box 5 equally, and the suspension in the barrel 1 flows into and is full of sample box 5. During sampling, the hose 2 is clamped by a water stop clamp to prevent the silt suspension in the barrel 1 from continuously flowing into the sampling box 5, and then the connection between the hose 2 and the sampling box 5 is disconnected; when the through hole 4 needs to be communicated with the sampling box 5, the hose 2 is used for connection again. The remaining steps are the same as the installation of the first shutter 6.
Claims (9)
1. The sampling device for the sediment sedimentation experiment is characterized by comprising a barrel body (1), wherein a through hole (4) for sampling is formed in the barrel body (1) along the height direction of the barrel body (1), a support (3) is arranged on the outer side of the barrel body (1), and a sampling box (5) corresponding to the through hole (4) is movably arranged on the support (3) along the height direction of the barrel body (1); be equipped with on sample box (5) and correspond first opening (7) that communicate with through-hole (4), be equipped with the controlling means that control first opening (7) and through-hole (4) are linked together on sample box (5).
2. The sediment sedimentation test sampling device according to claim 1, wherein a first baffle (6) is arranged on the bracket (3) between the sampling box (5) and the through hole (4), a second opening (11) which can be communicated with the first opening (7) and the through hole (4) is arranged on the first baffle (6), and the through hole (4) is connected with the second opening (11).
3. The sediment sedimentation test sampling device according to claim 1, wherein the control device comprises a first chute (8) arranged on the sampling box (5), a second baffle (9) which can move along the first chute (8) is arranged in the first chute (8), and the second baffle (9) moves along the first chute (8) to control the communication between the first opening (7) and the through hole (4).
4. The sediment sedimentation test sampling device according to claim 3, wherein the second baffle (9) is connected with a push-pull rod (10) for pushing the second baffle (9) to move.
5. The sediment sedimentation test sampling device according to claim 3, wherein a third opening which can be communicated with the first opening (7) and the through hole (4) is formed in the second baffle plate (9).
6. The sediment sedimentation test sampling device according to claim 1, wherein a second chute (12) is provided at a contact part of the support (3) and the sampling box (5), and the sampling box (5) moves out of or into the support (3) along the second chute (12).
7. The sediment sedimentation test sampling device according to claim 6, wherein the second chute (12) is transversely arranged on the bracket (3), and the sampling box (5) is fixed on the bracket (3) through the chute (12).
8. The sediment sedimentation test sampling device according to claim 1, wherein the through hole (4) is connected with the bracket (3) through a hose (2).
9. The sediment sedimentation test sampling device according to claim 1, wherein a water stop clip for controlling the communication between the through hole (4) and the bracket (3) is arranged on the hose (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910891019.2A CN110749472A (en) | 2019-09-20 | 2019-09-20 | Sediment sedimentation experiment sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910891019.2A CN110749472A (en) | 2019-09-20 | 2019-09-20 | Sediment sedimentation experiment sampling device |
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| Publication Number | Publication Date |
|---|---|
| CN110749472A true CN110749472A (en) | 2020-02-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910891019.2A Pending CN110749472A (en) | 2019-09-20 | 2019-09-20 | Sediment sedimentation experiment sampling device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112504745A (en) * | 2020-11-24 | 2021-03-16 | 中山大学 | Sediment flocculation sampling experiment device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2769880Y (en) * | 2005-01-07 | 2006-04-05 | 中国水利水电科学研究院 | Portable deepwater substrate sludge sampling device |
| CN101813577A (en) * | 2010-04-15 | 2010-08-25 | 徐建 | Columnar water body sediment and overlying water sampler |
| CN201955253U (en) * | 2011-03-05 | 2011-08-31 | 卢宇昊 | Ditch surface water sampler |
| CN102519752A (en) * | 2011-11-03 | 2012-06-27 | 上海交通大学 | Device for sampling lake-bottom incense ash soil and suspended matters |
| CN107449637A (en) * | 2017-07-20 | 2017-12-08 | 广西真龙实业有限责任公司 | A kind of high low layer synchronous sampler of barreled gravure printing ink |
| CN208968968U (en) * | 2018-08-23 | 2019-06-11 | 中国林业科学研究院热带林业实验中心 | A kind of measurement device of soil mechanical composition |
-
2019
- 2019-09-20 CN CN201910891019.2A patent/CN110749472A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2769880Y (en) * | 2005-01-07 | 2006-04-05 | 中国水利水电科学研究院 | Portable deepwater substrate sludge sampling device |
| CN101813577A (en) * | 2010-04-15 | 2010-08-25 | 徐建 | Columnar water body sediment and overlying water sampler |
| CN201955253U (en) * | 2011-03-05 | 2011-08-31 | 卢宇昊 | Ditch surface water sampler |
| CN102519752A (en) * | 2011-11-03 | 2012-06-27 | 上海交通大学 | Device for sampling lake-bottom incense ash soil and suspended matters |
| CN107449637A (en) * | 2017-07-20 | 2017-12-08 | 广西真龙实业有限责任公司 | A kind of high low layer synchronous sampler of barreled gravure printing ink |
| CN208968968U (en) * | 2018-08-23 | 2019-06-11 | 中国林业科学研究院热带林业实验中心 | A kind of measurement device of soil mechanical composition |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112504745A (en) * | 2020-11-24 | 2021-03-16 | 中山大学 | Sediment flocculation sampling experiment device |
| CN112504745B (en) * | 2020-11-24 | 2022-04-05 | 中山大学 | Sediment flocculation sampling experiment device |
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Application publication date: 20200204 |