CN113060259A - Collection device of modern lake fine particle silt deposit thing - Google Patents
Collection device of modern lake fine particle silt deposit thing Download PDFInfo
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- CN113060259A CN113060259A CN202110286463.9A CN202110286463A CN113060259A CN 113060259 A CN113060259 A CN 113060259A CN 202110286463 A CN202110286463 A CN 202110286463A CN 113060259 A CN113060259 A CN 113060259A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
- B63C11/00—Equipment for dwelling or working underwater; Means for searching for underwater objects
- B63C11/52—Tools specially adapted for working underwater, not otherwise provided for
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63G—OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS; MINE-LAYING; MINE-SWEEPING; SUBMARINES; AIRCRAFT CARRIERS
- B63G8/00—Underwater vessels, e.g. submarines; Equipment specially adapted therefor
- B63G8/001—Underwater vessels adapted for special purposes, e.g. unmanned underwater vessels; Equipment specially adapted therefor, e.g. docking stations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63G—OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS; MINE-LAYING; MINE-SWEEPING; SUBMARINES; AIRCRAFT CARRIERS
- B63G8/00—Underwater vessels, e.g. submarines; Equipment specially adapted therefor
- B63G8/14—Control of attitude or depth
- B63G8/24—Automatic depth adjustment; Safety equipment for increasing buoyancy, e.g. detachable ballast, floating bodies
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63G—OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS; MINE-LAYING; MINE-SWEEPING; SUBMARINES; AIRCRAFT CARRIERS
- B63G8/00—Underwater vessels, e.g. submarines; Equipment specially adapted therefor
- B63G8/001—Underwater vessels adapted for special purposes, e.g. unmanned underwater vessels; Equipment specially adapted therefor, e.g. docking stations
- B63G2008/002—Underwater vessels adapted for special purposes, e.g. unmanned underwater vessels; Equipment specially adapted therefor, e.g. docking stations unmanned
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Abstract
The invention discloses a device for collecting fine-grained sediment in a modern lake, belonging to the technical field of sediment collection. The position of the collector in water can be adjusted by arranging the suspension cabin, and the collector is ensured to be in balance and upright in water by matching with the weight increasing component, so that coarse particles formed by water bottom disturbance are prevented from being mixed; through the collector and the anchoring system, the collecting frame has high flexibility and anti-collision capacity, the position of the collecting system can be fixed, and the uniqueness and the stability of the silt sedimentation source are ensured through the real-time monitoring of the GPS positioner.
Description
Technical Field
The invention belongs to the technical field of sediment collection, and particularly relates to a device for collecting fine-grained sediment in a modern lake.
Background
"will be ancient in theory" is an important thought of geology research, is a gold key for accurately understanding past geological environmental conditions. The accurate reproduction of the deposition rate is particularly critical in the research process of lake fine particle deposition environment and deposition kinetics. At present, the lake deposition rate is calculated by the academic world mainly through a year measurement method, wherein year measurement errors and compaction of a deposition system cause great uncertainty to the deposition rate. By scientifically and systematically sampling the sediment and silt collection device for one year, the relatively objective sedimentation rate under the current natural condition can be obtained, and the method is used for correcting or comparing the stratum sedimentation rate. However, the existing sediment collectors mainly focus on environmental pollution and biological research, are expensive and do not pay enough attention to fine particle deposition. The method scientifically collects the fine-grained sediment deposition on the premise of avoiding the mixing of coarse-grained sediment in the drainage basin, can economically realize installation, and can objectively and truly calculate the sediment deposition rate of the sediment deposition, thereby providing the foundation of 'ancient in the future' for the research of the fine-grained sediment in lakes.
Disclosure of Invention
The invention aims to provide a modern lake fine-grain fallen sediment collecting device, which solves the technical problem that the coarse-grain sediment in the drainage basin is mixed into the sediment collecting device in the prior art.
The invention discloses a device for collecting fine-grained sediment in a modern lake, which comprises a suspension cabin, wherein the lower part of the suspension cabin is connected with a collector, the lower part of the collector is connected with a weight increasing component, and one side of the suspension cabin is connected with an anchoring system.
The working principle is as follows: when the device is used, the anchoring system is thrown into the lake bottom, the suspension cabin and the collector together with the weight increasing component are slowly put into water, the collector freely falls into the lake bottom in a balanced state, and the suspension cabin is adjusted to ensure that the collector is upright and suspended; when the collector has enough collection time, the suspension cabin is adjusted to enable the collector to vertically suspend and rise to the water surface. Through setting up the suspension cabin, can adjust the position of collector in aqueous to guarantee through the cooperation with the part that increases weight that the collector is in balanced upright in aqueous, prevent that the coarse grain that submarine disturbance formed from sneaks into.
Further, an air chamber is arranged in the suspension chamber, a water level limiter is connected inside the air chamber, and an air tank is connected to one side of the air chamber.
By arranging the gas tank and the gas cabin which are both cylindrical, the volume ratio is between 3:5 and 4:5, and N is filled in the gas tank2，N2The volume is less than the air pressure of the air tank, and the water in the air tank can change the water level in the air tank through the air tank, so that the weight of the suspension cabin and the buoyancy in the water are changed.
Furthermore, a plurality of remote control magnetic valves are arranged in the suspension cabin.
The lifting of the suspension cabin is convenient to control by arranging the remote control magnetic valve.
Further, the collector comprises a cylindrical collecting frame, a cross-shaped supporting frame is connected in the collecting frame, and a plurality of collecting cups are fixedly connected in the collecting frame.
Through setting up the collection frame, the cross support frame can support outside cylinder frame, prevents to collect the frame and receives external force collision emergence deformation, and the impact of aquatic external force can effectively be alleviated to outside cylinder frame, realizes effectively protecting the effect of the collection cup of inside rigid coupling.
Further, the upper part of the collector is connected with a rotating ring with a soft link.
Through setting up rotatory ring, can ensure that the cylinder frame is in vertical nimble state all the time in aqueous, further strengthen the flexibility and the anti collision ability of cylinder frame in aqueous.
Furthermore, the collecting cup is a transparent straight cylinder cup, the cup body of the collecting cup is provided with scales, the ratio of the height to the inner diameter of the collecting cup is not less than 5, and the upper part of the collecting cup is provided with threads.
The maximum sedimentation flux of the vertical silt deposit can be collected by arranging the collecting cup, and the sedimentation thickness of the deposit in a specified time can be read by the scales on the transparent straight cylinder cup, so that the sedimentation rate of the fine silt deposit in the modern lake can be scientifically calculated.
Further, the anchoring system comprises a claw anchor, and the claw anchor is connected with a positioning component through a connecting piece.
By arranging the anchoring system, the device can be used for realizing the fixation and the stability of the silt falling and collecting position.
Furthermore, the positioning component comprises a plurality of floating balls and a positioner, the floating balls are connected to form a floating ring, and the positioner is fixedly connected with the floating ring.
Through setting up a plurality of floaters and locator, a plurality of floaters are linked and are constituteed the floating collar, have both reduced the area of floater in aqueous, can reduce frictional force again by the at utmost, improve the floater duration.
Further, the locator is a GPS locator.
The stability of the position where the collecting system is located is monitored in real time by arranging the GPS positioner, so that the stability of the source of the silt deposit in the collector is ensured.
Further, the weight increasing component is a balance weight.
By arranging the balance weight, the collector is always upright in the near-surface water of the lake bottom, and the silt deposit in the collector is ensured to be a single upper vertical source.
Furthermore, the upper part of the balance weight is connected with a soft linking device.
Through setting up soft linkage, link together balanced weight and collector with soft linkage, the collector is receiving when colliding like this, can directly not lead to balanced weight to make it take place the slope, so make balanced weight be in freely the state of droing all the time, simultaneously, owing to the effect through soft linkage and balanced weight, the collector can resume upright immediately when receiving the collision, and be unlikely to lead to the slope or topple over because of the solid is linked.
Furthermore, the bottom of the suspension cabin is connected with a water temperature detector, a water depth detector and a water flow detector.
By arranging the water temperature detector, the water depth detector and the water flow detector, information such as water temperature, water depth, water flow and the like can be measured, so that physical environment parameters of lake water during sedimentation of the sediment can be obtained.
The invention has the beneficial effects that:
1. the position of the collector in water can be adjusted by arranging the suspension cabin, and the collector is ensured to be in balance and upright in water by matching with the weight increasing component, so that coarse particles formed by water bottom disturbance are prevented from being mixed;
2. by arranging the water temperature detector, the water depth detector and the water flow detector, information such as water temperature, water depth, water flow and the like can be measured, so that physical environment parameters of lake water during sedimentation of the sediment can be obtained;
3. by arranging the gas tank and the gas cabin, the gas tank and the gas cabin are both cylindrical, the volume ratio is between 3:5 and 4:5, N2 is filled in the gas tank, and the N2 amount is less than the air pressure of the gas tank; the water in the air cabin can change the water level in the air cabin through the air tank, so that the weight of the suspension cabin and the buoyancy in the water are changed;
4. by arranging the collecting frame, the cross-shaped supporting frame can support the external cylindrical frame to prevent the collecting frame from being deformed due to external force collision, and the external cylindrical frame can effectively relieve the impact of external force in water, so that the effect of effectively protecting the collecting cup fixedly connected inside is realized;
5. the maximum sedimentation flux of the vertical silt can be collected by arranging the collecting cup, and the sedimentation thickness of the sediment in a specified time is read by the scales on the transparent straight cylinder cup, so that the sedimentation rate of the fine silt sediment in the modern lake is scientifically calculated;
6. by arranging the floating balls and the positioner, the floating balls are linked to form the floating ring, so that the floor area of the floating balls in water is reduced, the friction force can be reduced to the greatest extent, and the durability of the floating balls is prolonged;
7. the stability of the position of the collecting system is monitored in real time by arranging a GPS (global positioning system) positioner, so that the stability of the source of the silt deposit in the collector is ensured;
8. by arranging the balance weight, the collector is enabled to be always upright in near-surface water at the bottom of the lake, and the silt deposit in the collector is ensured to be a single upper vertical source;
9. by arranging the rotating ring, the cylindrical frame is ensured to be always in a vertical and flexible state in water, and the flexibility and the anti-collision capacity of the cylindrical frame in water can be further enhanced;
10. by arranging the soft linking device, the balance weight can always keep a free falling state.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic view of a flotation tank of the present invention;
FIG. 2 is a schematic view of a collector of the present invention;
FIG. 3 is a schematic view of the present invention showing the collection of weight gain;
FIG. 4 is a schematic view of an anchoring system of the present invention;
fig. 5 is a schematic view of a sediment collection assembly of the present invention.
In the figure: 1-a suspension cabin, 2-a collector, 3-a weight increasing component, 4-an anchoring system, 5-an air cabin, 6-a water level limiter, 7-an air tank, 8-a remote control magnetic valve, 9-a collecting frame, 10-a cross support frame, 11-a collecting cup, 12-a claw anchor, 13-a positioning component, 14-a floating ball, 15-a positioner, 16-a water temperature detector, 17-a water depth detector, 18-a water flow detector, 19-a rotating ring and 20-a soft linking device.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In addition, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it should be noted 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, or orientations or positional relationships that are conventionally arranged when the products of the present invention are used, or orientations or positional relationships that are conventionally understood by those skilled in the art, which are merely used for convenience of description and simplification of description, and do not indicate or imply that the devices or elements that are referred to 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. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; they may be mechanically coupled, directly coupled, indirectly coupled through intervening media, or may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
A specific structure of a modern collecting device for fine-grained sediment in lakes is shown in figures 1-5 and comprises a suspension cabin 1, wherein the lower part of the suspension cabin 1 is connected with a collector 2, the lower part of the collector 2 is connected with a weight increasing component 3, and one side of the suspension cabin 1 is connected with an anchoring system 4.
The working principle is as follows: when the device is used, the anchoring system 4 is thrown into the lake bottom, the suspension cabin 1 and the collector 2 together with the weight increasing component 3 are slowly placed into water, the collector 2 freely falls into the lake bottom in a balanced state, and the suspension cabin 1 is adjusted to ensure that the collector 2 is upright and suspended; when the collector 2 has enough collection time, the suspension cabin 1 is adjusted to enable the collector 2 to vertically suspend and rise to the water surface. Through setting up suspension cabin 1, can adjust the position of collector 2 in aqueous to through guaranteeing that collector 2 is in balanced upright in aqueous with the cooperation of the part 3 that increases weight, prevent that the coarse grain that the submarine disturbance formed from sneaks into.
Example 2
This embodiment is a preferred embodiment of the present invention, and the specific structure is shown in fig. 1-5, which discloses the following improvement on the basis of embodiment 1, wherein an air chamber 5 is arranged in the suspension chamber 1, a water level limiter 6 is connected inside the air chamber 5, and an air tank 7 is connected to one side of the air chamber 5.
By arranging the gas tank 7 and the gas cabin 5, the gas tank 7 and the gas cabin 5 are both cylindrical, the volume ratio is between 3:5 and 4:5, N2 is filled in the gas tank 7, the N2 amount is less than the air pressure of the gas tank 7, and the water in the gas cabin 5 can change the water level in the gas cabin 5 through the gas tank 7, so that the weight of the suspension cabin 1 and the buoyancy in the water are changed.
Example 3
This embodiment is a preferred embodiment of the present invention, and the specific structure is shown in fig. 1-5, which discloses the following improvement on the basis of embodiment 2, and a plurality of remote-control magnetic valves 8 are arranged in the suspension cabin 1.
By arranging the remote control magnetic valve 8, the lifting of the suspension cabin 1 is convenient to control.
Example 4
This embodiment is a preferred embodiment of the present invention, and the specific structure is shown in fig. 1-5, which discloses the following improvement on the basis of embodiment 3, wherein the collector 2 comprises a cylindrical collecting frame 9, a cross-shaped support frame 10 is connected in the collecting frame 9, and 4 collecting cups 11 are fixedly connected in the collecting frame 9.
Through setting up collection frame 9, cross support frame 10 can support outside cylinder frame, prevents to collect frame 9 and receives external force collision emergence deformation, and the impact of aquatic external force can effectively be alleviated to outside cylinder frame, realizes effectively protecting the effect of the collection cup 11 of inside rigid coupling.
Example 5
This embodiment is a preferred embodiment of the present invention, and the specific structure is shown in fig. 1 to 5, which discloses the improvement based on embodiment 4, wherein a rotating ring 19 with a soft link is connected to the upper part of the collector 2.
The cylindrical frame can be ensured to be always in a vertical flexible state in water by arranging the rotary ring 19 with the soft link at the upper part of the collecting frame 9, the flexibility of the frame is further enhanced, and the collision of external force in water is relieved.
Example 6
This embodiment is a preferred embodiment of the present invention, and the specific structure is shown in fig. 1 to 5, which discloses the following improvement on the basis of embodiment 5, wherein the collecting cup 11 is a transparent straight cylindrical cup, the body of the collecting cup 11 is provided with scales, the ratio of the height to the inner diameter of the collecting cup 11 is not less than 5, and the upper part of the collecting cup 11 is provided with threads.
The maximum sedimentation flux of the vertical silt can be collected by arranging the collecting cup 11, and the sedimentation thickness of the sediment in a specified time can be read by scales on the transparent straight cylinder cup, so that the sedimentation rate of the fine silt sediment in the modern lake can be scientifically calculated.
Example 7
This embodiment is a preferred embodiment of the present invention, and the specific structure is shown in fig. 1-5, which discloses the improvement on embodiment 6 that the anchoring system 4 comprises a claw anchor 12, and the claw anchor 12 is connected with a positioning component 13 through a connecting piece.
By arranging the anchoring system 4, the fixation and the stability of the silt fall collection position can be realized.
Example 8
This embodiment is a preferred embodiment of the present invention, and the specific structure is shown in fig. 1 to 5, which discloses the following improvement on the basis of embodiment 7, in which the positioning member 13 includes a plurality of floating balls 14 and a positioner 15, the plurality of floating balls 14 are connected to form a floating ring, and the positioner 15 is fixedly connected to the floating ring.
Through setting up a plurality of floater 14 and locator 15, a plurality of floater 14 are linked and are constituteed the floating collar, both reduced the area of floater 14 in aqueous, can reduce frictional force by furthest again, improve floater 14 duration.
Example 9
This embodiment is a preferred embodiment of the present invention, and the specific structure is shown in fig. 1 to 5, which disclose the following improvement on the basis of embodiment 8, wherein the locator 15 is a GPS locator 15.
The stability of the source of the silt deposit in the collector 2 is ensured by arranging the GPS positioner 15 to monitor the stability of the position of the collecting system in real time.
Example 10
This embodiment is a preferred embodiment of the present invention, and the specific structure is shown in fig. 1-5, which discloses the following improvement on the basis of embodiment 9, in which the weight increasing component 3 is a balance weight, and a soft linking device 20 is connected above the balance weight.
By arranging the balance weight, the collector 2 is always upright in the near-surface water of the lake bottom, and the silt deposit in the collector 2 is ensured to be a single upper vertical source. The soft linking device 20 is arranged above the balance weight to ensure that the balance weight 3 always keeps a free falling state.
Example 11
This embodiment is a preferred embodiment of the present invention, and the specific structure is shown in fig. 1-5, which discloses the following improvement on the basis of embodiment 10, wherein a water temperature detector 16, a water depth detector 17 and a water flow rate detector 18 are connected to the bottom of the suspension cabin 1.
By arranging the water temperature detector 16, the water depth detector 17 and the water flow detector 18, information such as water temperature, water depth, water flow and the like can be measured, so that physical environment parameters of lake water during sedimentation of the sediment can be obtained.
The invention is not limited to the above alternative embodiments, and any other various forms of products can be obtained by anyone in the light of the present invention, but any changes in shape or structure thereof, which fall within the scope of the present invention as defined in the claims, fall within the scope of the present invention.
Claims (12)
1. The device for collecting the fine-grained sediment in the modern lake is characterized by comprising a suspension cabin (1), wherein a collector (2) is connected to the lower portion of the suspension cabin (1), a weight increasing component (3) is connected to the lower portion of the collector (2), and an anchoring system (4) is connected to one side of the suspension cabin (1).
2. The modern fine silt and sediment collecting device for the lake, as claimed in claim 1, wherein an air chamber (5) is arranged in the suspension cabin (1), a water level limiter (6) is connected inside the air chamber (5), and an air tank (7) is connected to one side of the air chamber (5).
3. The device for collecting fine-grained sediment in modern lakes according to claim 1, characterized in that a plurality of remotely controlled magnetic valves (8) are arranged in the suspension chamber (1).
4. The device for collecting fine-grained silted sediment in modern lakes according to claim 1, characterized in that said collector (2) comprises a cylindrical collecting frame (9), a cross support frame (10) is connected in said collecting frame (9), and a plurality of collecting cups (11) are fixedly connected in said collecting frame (9).
5. The device for collecting fine-grained settled material in modern lakes as claimed in claim 1, wherein a rotating ring (19) with a soft link is connected to the upper part of the collector (2).
6. The modern collection device for fine silt deposits in lakes according to claim 1, wherein said collection cup (11) is a transparent straight cup, the body of said collection cup (11) is provided with a scale, the ratio of the height to the inner diameter of said collection cup (11) is not less than 5, and the upper part of said collection cup (11) is provided with a screw thread.
7. The device for collecting fine silt deposits in modern lakes according to claim 1, wherein said anchoring system (4) comprises a claw anchor (12), said claw anchor (12) being connected with a positioning member (13) by a connecting member.
8. The device for collecting fine-grained sediment of modern lakes according to claim 1, wherein said positioning means (13) comprises a plurality of floating balls (14) and a positioner (15), said plurality of floating balls (14) are connected to form a floating ring, and said positioner (15) is fixedly connected to said floating ring.
9. The modern collection device of fine silt deposits in lakes according to claim 8, wherein said locator (15) is a GPS locator (15).
10. The device for collecting fine silt deposits in modern lakes according to claim 1, wherein said weighting member (3) is a counter weight.
11. The device for collecting the fine-grained silt deposits in the modern lakes according to claim 1, wherein a water temperature detector (16), a water depth detector (17) and a water flow rate detector (18) are connected to the bottom of the suspension cabin (1).
12. The device for collecting fine settled sludge in modern lakes as claimed in claim 10, wherein said counter weight is connected with a soft-link device (20) at its upper part.
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| CN106908273A (en) * | 2017-04-25 | 2017-06-30 | 环境保护部南京环境科学研究所 | A kind of shallow lake suspended particulate substance collection device and its application method |
| CN108327858A (en) * | 2017-12-29 | 2018-07-27 | 中国船舶重工集团公司第七0研究所 | A kind of high stability underwater measurement platform |
| CN108267126A (en) * | 2018-01-22 | 2018-07-10 | 中国海洋大学 | Wave is to the observation system and method for bottom sediment settling flux amount in deep-sea |
| CN208091759U (en) * | 2018-02-08 | 2018-11-13 | 北京中科乾和环保科技服务有限公司 | One kind being suitable for river-lake and reservoir buffering area suspended particulate matter collection device |
| CN109159855B (en) * | 2018-09-06 | 2020-09-29 | 厦门大学 | Floating anchor chain expandable settlement particle capturing device |
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