CN111811884A - Active collection device for surface underwater micro-plastic - Google Patents
Active collection device for surface underwater micro-plastic Download PDFInfo
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- CN111811884A CN111811884A CN202010686696.3A CN202010686696A CN111811884A CN 111811884 A CN111811884 A CN 111811884A CN 202010686696 A CN202010686696 A CN 202010686696A CN 111811884 A CN111811884 A CN 111811884A
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- 229920003023 plastic Polymers 0.000 title claims abstract description 32
- 239000004033 plastic Substances 0.000 title claims abstract description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 253
- 239000002352 surface water Substances 0.000 claims abstract description 43
- 230000007246 mechanism Effects 0.000 claims abstract description 38
- 239000002344 surface layer Substances 0.000 claims abstract description 27
- 238000001914 filtration Methods 0.000 claims abstract description 20
- 239000003657 drainage water Substances 0.000 claims abstract description 15
- 239000010813 municipal solid waste Substances 0.000 claims description 25
- 238000005188 flotation Methods 0.000 claims description 22
- 238000003825 pressing Methods 0.000 claims description 14
- 229920000426 Microplastic Polymers 0.000 claims description 13
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 238000005406 washing Methods 0.000 claims description 7
- 210000001503 joint Anatomy 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 3
- 239000010410 layer Substances 0.000 description 14
- 238000005070 sampling Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
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- 230000008569 process Effects 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000008844 regulatory mechanism Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/03—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements self-supporting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
- B01D29/58—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection arranged concentrically or coaxially
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Removal Of Floating Material (AREA)
Abstract
The invention relates to the field of surface water micro-plastic treatment, and provides an active collection device for micro-plastic in surface water. Comprises a collection float bowl, a power pump, a drainage mechanism, an automatic water level adjusting mechanism and a filtration collection unit; the side wall of the open end of the collecting buoy is provided with a water inlet window, and the bottom of the collecting buoy is provided with a buoy water outlet; the side wall of the lower part of the power pump is provided with an underwater water inlet, the bottom of the power pump is provided with a water outlet, the power pump is fixed in the collection buoy, and the water outlet of the pump is communicated with the water outlet of the buoy; the drainage mechanism comprises a drainage tube, a drainage water inlet and a surface layer water suction port, the drainage water inlet is arranged at one end of the drainage tube, the surface layer water suction port is arranged at the other end of the drainage tube, the drainage tube is arranged on the power pump, the drainage water inlet is communicated with the underwater water inlet, and the surface layer water suction port is positioned at the water surface position in the collection buoy; the filtering and collecting unit is arranged at the bottom outside the collecting floating cylinder and is communicated with a water outlet of a pump of the power pump. The invention has strong adaptability to tidal level difference and wave environment of an operation water area and can realize active acquisition, continuous and rapid operation.
Description
Technical Field
The invention relates to the technical field of surface water micro-plastic treatment, in particular to an active collection device for surface water micro-plastic.
Background
The floating garbage and the micro-plastic are novel pollutants in a water environment and are mainly concentrated in a surface water body, the floating garbage and the micro-plastic in the surface water body are mainly collected by a trawl method or a general water sample collector, the trawl method is carried out by means of equipment such as operation ships and the like, and the defects of high sampling cost, long preparation time and the like are overcome; the general water sample collector mainly takes place and depth as parameters, has limited collection volume, can not well reflect the actual distribution conditions of floating garbage and micro-plastics in a surface water body, and is greatly influenced by the current operation environment.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides an active collection device for micro-plastics in surface water, which aims to solve the problems that the sampling device in the prior art cannot well reflect the actual distribution condition of the micro-plastics in the surface water and is greatly influenced by the current operating environment.
According to the embodiment of the invention, the active collection device for the micro-plastic in the surface water comprises:
the device comprises a collecting buoy, a power pump, a drainage mechanism, an automatic water level adjusting mechanism and a filtering and collecting unit; the collecting buoy is provided with an open end, the side wall of the collecting buoy, which is positioned at the open end, is provided with a water inlet window, and the bottom of the collecting buoy is provided with a buoy water outlet;
the side wall of the power pump close to the lower part is provided with an underwater water inlet, the bottom of the power pump is provided with a water outlet, the power pump is fixed in the collection buoy, and the water outlet of the pump is communicated with the water outlet of the buoy;
the drainage mechanism comprises a drainage tube, a drainage water inlet and a surface layer water suction port, the drainage water inlet is arranged at one end of the drainage tube, the surface layer water suction port is arranged at the other end of the drainage tube, the drainage tube is arranged on the power pump, the drainage water inlet is communicated with the underwater water inlet, and the surface layer water suction port is positioned at the water surface position in the collection floating barrel and used for sucking surface layer water;
the automatic water level adjusting mechanism comprises a supporting frame, a guide sleeve constructed on the supporting frame, a water baffle arranged on the periphery of the supporting frame and an automatic water level adjusting buoyancy unit fixed in the supporting frame and used for providing buoyancy for the supporting frame, the supporting frame is arranged in the acquisition buoy, the upper end of the power pump is movably arranged in the guide sleeve in a penetrating mode, the periphery of the water baffle is matched with the inner wall, located at the opening end, of the acquisition buoy, and the water baffle moves up and down according to the change of water level to shield or open the water inlet window;
the filtering and collecting unit is arranged at the bottom outside the collecting floating barrel and is communicated with a water outlet of a pump of the power pump.
According to one embodiment of the invention, the collecting buoy further comprises a buoyancy balance ring and a plurality of floating balls, the buoyancy balance ring is fixedly sleeved outside the collecting buoy, and the plurality of floating balls are respectively connected to the periphery of the buoyancy balance ring at intervals through lock chains.
According to one embodiment of the invention, the buoyancy collecting device further comprises a guide fixing frame, wherein the guide fixing frame comprises vertical supporting rods which are positioned at two opposite sides outside the collecting buoy, and the vertical supporting rods are respectively and fixedly arranged on the buoyancy balance ring in a penetrating manner.
According to one embodiment of the invention, the guide fixing frame further comprises a horizontal supporting rod positioned below the outside of the collection floating cylinder, and the horizontal supporting rod and the vertical supporting rods on the two sides are integrally connected to form a U-shaped frame;
the top of the vertical supporting rod on two sides is respectively connected with a connecting rod which is horizontally arranged.
According to one embodiment of the invention, the upper surface of the support frame is detachably mounted with a floating garbage collecting net;
the supporting frame is also fixedly connected with a water retaining sleeve parallel to the axis of the guide sleeve, and one end of the drainage tube, which is provided with the surface layer water suction port, is movably arranged in the water retaining sleeve in a penetrating way;
and a plurality of surface layer water suction holes are distributed on a section of pipe wall of the drainage pipe close to the water meter to form the surface layer water suction port, and the length of the section of pipe wall distributed with the surface layer water suction holes is greater than that of the water blocking sleeve.
According to an embodiment of the invention, the device further comprises a mounting bracket, the filtering and collecting unit is fixed in the mounting bracket, a quick-mounting and dismounting flange is configured on the outer wall of the bottom of the collecting buoy, the upper end of the mounting bracket is connected with the bottom of the collecting buoy through the quick-mounting and dismounting flange, a water outlet pipe is configured on the bottom of the collecting buoy, one end of the water outlet pipe extends into the collecting buoy, and one end of the water outlet pipe extends out of the collecting buoy;
the filter collecting unit comprises a filter screen module, an upper end pressing cap and a lower end pressing cap, the filter screen module is in multi-stage sealing connection with the filter screen module, the upper end pressing cap is positioned at the water inlet end of the filter screen module, the lower end pressing cap is positioned at the water outlet end of the filter screen module, the upper end pressing cap is provided with a water inlet channel, and the lower end pressing cap is provided with a water outlet channel;
the water inlet channel is in butt joint with one end of the water outlet pipe extending out of the collecting floating cylinder;
and a water outlet of the pump of the power pump is fixedly sleeved with one end of the water outlet pipe, which is positioned in the collection floating barrel.
According to one embodiment of the invention, a flow meter is connected to the outlet of the water outlet channel;
the bottom of gathering the flotation pontoon still is connected with rinses the washing pipe, rinse the one end of washing the pipe with the bottom intercommunication of gathering the flotation pontoon, rinse the other end of washing the pipe with the outlet pipe is located gather the outer pipe wall intercommunication of flotation pontoon.
According to one embodiment of the invention, the device further comprises a counterweight adjusting mechanism, wherein the counterweight adjusting mechanism comprises a counterweight frame and a counterweight block connected to the lower part of the counterweight frame, and the counterweight frame is connected with the bottom of the mounting bracket.
According to one embodiment of the invention, a linear bearing is arranged in the guide sleeve, and the automatic water level adjusting buoyancy unit is an automatic water level adjusting buoyancy ring fixedly arranged in the support frame;
the water inlet windows are long strips arranged along the length direction of the collecting buoy, and the water inlet windows are uniformly distributed on the cylinder wall of the collecting buoy.
According to one embodiment of the invention, a flange rib plate is fixed outside the cylinder wall of the collection floating cylinder, and the buoyancy balance ring is sleeved outside the collection floating cylinder and is fixedly connected with the flange rib plate;
the drainage tube comprises an L-shaped tube and a water inlet pipe joint, the water inlet pipe joint is used for being sleeved on the power pump and communicated with an underwater water inlet of the power pump, one section of the L-shaped tube is in butt joint with the water inlet pipe joint, and the other section of the L-shaped tube vertically extends to the surface of the surface layer water.
One or more technical solutions in the embodiments of the present invention have at least one of the following technical effects:
according to the active collection device for the micro-plastics in the surface water, disclosed by the embodiment of the invention, by adopting the technical scheme, the dynamic balance of the water level in the collection buoy is maintained through the automatic water level regulation mechanism, and the surface water suction port of the power pump is always positioned at the position of the water surface in the collection buoy, so that the external surface water and the floating garbage and the micro-plastics mixed in the surface water continuously flow into the collection buoy and enter the filtering and collecting unit for collection, and the active, rapid and efficient collection of the floating garbage and the micro-plastics in the surface water is realized.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic front view of an active collection device for micro-plastic in surface water according to an embodiment of the present invention;
FIG. 2 is a schematic top view of FIG. 1;
FIG. 3 is a schematic front view of a collection buoy in an active collection device for micro-plastics in surface water according to an embodiment of the present invention;
FIG. 4 is a schematic top view of FIG. 3;
FIG. 5 is a schematic front view of a connection relationship between the power pump and the drainage mechanism in the embodiment of the invention;
FIG. 6 is a schematic axial cross-sectional view of a filtered collection unit in an embodiment of the present invention;
FIG. 7 is an axial sectional view of the automatic water level adjusting mechanism according to the embodiment of the present invention;
FIG. 8 is a schematic top view of a floating debris collecting net of an embodiment of the present invention installed on an automatic water level adjusting mechanism;
FIG. 9 is a schematic perspective view of a counterweight adjustment mechanism according to an embodiment of the invention;
fig. 10 is a schematic perspective view of an active collection device for micro-plastic in surface water according to an embodiment of the present invention.
Reference numerals:
1. the device comprises a collecting buoy, 2 a drainage mechanism, 3 a power pump, 4 a filtering and collecting unit, 5 a flowmeter, 6 a balance weight adjusting mechanism, 7 a mounting bracket, 8 a buoyancy balance ring, 9 a water level automatic adjusting mechanism, 10 a floating ball, 11 a guide fixing frame, 12 a water inlet window, 13 a rinsing valve, 14 a rinsing pipe, 15 an underwater water inlet, 16 a buoy water outlet, 17 a water outlet pipe, 18 a flange rib plate, 19 a drainage pipe, 20 a water inlet pipe joint, 21 a drainage water inlet, 22 a surface water suction port, 23 an upper end pressing cap, 24 a filter screen module, 25 a sealing ring, 26 a lower end pressing cap, 27 a flowmeter fixing flange, 28 a screw rod, 29 a filter screen, 30 a drainage pipe vortex, 31 a connecting flange, 32 a water baffle, 33 a water level automatic adjusting buoyancy ring, 34 a linear bearing, 35 a water baffle sleeve and 36 a floating garbage collecting net, 37. supporting frame, 38, counterweight frame, 39, counterweight block, 40 and guide sleeve.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. Specific meanings of the above terms in the embodiments of the present invention can be understood in specific cases by those of ordinary skill in the art.
In embodiments of the invention, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of an embodiment of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
As shown in fig. 1 to 10, an active collection device (this embodiment is simply referred to as a device) for collecting micro plastics in surface water according to an embodiment of the present invention is used for collecting micro plastics in surface water, and certainly, can also collect pollutants such as floating garbage; mainly comprises a collection float 1, a power pump 3, a drainage mechanism 2, an automatic water level adjusting mechanism 9 and a filtration collection unit 4.
It should be noted that the collecting buoy 1 has a certain buoyancy and can float on the water surface, and the wave line in fig. 1 represents the water surface.
Specifically, gather flotation pontoon 1 and be equipped with the open end, gather 1 one end of flotation pontoon promptly and open one end and seal, this embodiment open end up, it is located to gather flotation pontoon 1 the window 12 of intaking has been seted up to the lateral wall of open end, the bottom of gathering flotation pontoon 1 is equipped with flotation pontoon delivery port 16.
The side wall of the power pump 3 close to the lower part is provided with an underwater water inlet 15, that is, the position of the underwater water inlet 15 needs to ensure that the power pump 3 enters water from the underwater, the bottom of the power pump 3 is provided with a water outlet, and the power pump 3 is fixed in the collection buoy 1, that is, there is no relative displacement between the power pump 3 and the collection buoy 1, and the two keep relatively static. The water outlet of the pump is communicated with the water outlet 16 of the float bowl, so that the effluent passing through the power pump 3 is discharged out of the collection float bowl 1 from the water outlet 16 of the float bowl.
In this embodiment, the drainage mechanism 2 includes a drainage tube 19, a drainage water inlet 21 disposed at one end of the drainage tube 19, and a surface water suction port 22 disposed at the other end of the drainage tube 19, in terms of a water level difference, the position of the surface water suction port 22 is higher than that of the drainage water inlet 21, the drainage tube 19 is installed on the power pump 3, and the drainage water inlet 21 is communicated with the underwater water inlet 15, that is, the underwater water inlet 15 of the power pump 3 is isolated into an underwater water suction port and a surface water suction port 22 by the drainage mechanism 2, the underwater water suction port is the drainage water inlet 21 mentioned above, and the underwater water suction port of the drainage mechanism 2 is submerged under the water surface all the time, so as to prevent air from being sucked into the water inlet of the power pump 3 to generate cavitation and ensure normal water suction of the power pump 3.
Under the effect of water level automatic regulating mechanism 9, top layer water sucking mouth 22 is in all the time the surface of water position in the collection flotation pontoon 1 for inhale top layer water, thereby rubbish particles such as the little plastics of top layer water get into top layer water sucking mouth 22 along with top layer water, and get into the underwater water inlet 15 of power pump 3 by drainage water inlet 21 under the suction of power pump 3, the partly surface of water that comes from of the underwater water inlet 15 of power pump 3, partly surface layer water sucking mouth 22 that comes from, that is to say, 15 water meters of underwater water inlet and underwater intake simultaneously. The surface layer water suction port 22 of the drainage mechanism 2 is always positioned on the water surface under the assistance of the automatic water level adjusting mechanism 9 in the cylinder, so that the micro plastic floating on the water surface is ensured to be smoothly sucked into the power pump 3, and the smooth collection of the light micro plastic on the surface layer is ensured.
In this embodiment, the automatic water level adjusting mechanism 9 includes a supporting frame 37, a guiding sleeve 40 configured on the supporting frame 37, a water baffle 32 disposed on the periphery of the supporting frame 37, and an automatic water level adjusting buoyancy unit fixed in the supporting frame 37 and providing buoyancy for the supporting frame 37, the supporting frame 37 is disposed in the collection buoy 1, the guiding sleeve 40 is vertically disposed, the supporting frame 37 can automatically rise and fall along with the water level in the collection buoy 1, the upper end of the power pump 3 is movably disposed in the guiding sleeve 40, and by disposing the guiding sleeve 40, a guiding function can be provided for the supporting frame 37, so that the supporting frame 37 floats up and down in the vertical direction, the periphery of the water baffle 32 is matched with the inner wall of the collection buoy 1 at the open end, for example, the collection buoy 1 is a cylinder, and accordingly, the peripheral shape of the water baffle 32 also forms a cylinder, and the sizes of the two cylinders are matched, so that the water baffle 32 can cover or open the water inlet window 12 by moving up and down according to the change of the water level, namely, the water baffle 32 can completely cover the water inlet window 12 when being aligned with the water inlet window 12, at the moment, water cannot enter from the water inlet window 12, when the water baffle 32 floats upwards or downwards and is dislocated with the water inlet window 12, at the moment, at least part of the water inlet window 12 is exposed, and at the moment, the water enters the acquisition buoy 1 from the exposed part of the water inlet window 12. When the water inlet window 12 of the collection buoy 1 is fully opened, the water inlet speed is higher than the water discharge speed of the power pump 3.
In this embodiment, the dynamic balance of the water level in the collection float 1 is maintained by the design of the automatic water level adjusting mechanism 9, and the surface water suction port 22 of the power pump 3 is always located at the position of the water surface inside the collection float 1, so that the external surface water and the floating garbage and the micro plastic mixed in the external surface water continuously flow into the collection float 1, and the active, fast and efficient collection of the floating garbage and the micro plastic in the surface water is realized.
The design of the power pump 3 enables the equipment to have an active acquisition function, and the collection efficiency and the sampling efficiency are improved.
In this embodiment, the filtration and collection unit 4 is disposed at the bottom outside the collection float 1 and is communicated with the water outlet of the power pump 3, water flowing out of the water outlet enters the filtration and collection unit 4 for filtration and collection, and the filtered micro plastic is retained in the filtration and collection unit 4.
In order to enable the collection buoy 1 to stably float on the water surface and improve the adaptability to waves, according to one embodiment of the invention, the collection buoy further comprises a buoyancy balance ring 8 and a plurality of floating balls 10, the buoyancy balance ring 8 is fixedly sleeved outside the collection buoy 1, the floating balls 10 are respectively connected to the periphery of the buoyancy balance ring 8 at intervals through chains, and the number of the floating balls 10 can be set according to needs. The buoyancy balance ring 8 is arranged to not only improve the stability of the collection buoy 1, but also provide a part of buoyancy, so that the volume of the floating ball 10 can be reduced. The buoyancy of the floating ball 10 pulls the whole device to float. In addition, the length of the chain between the floating ball 10 and the buoyancy balance ring 8 can be adjusted, and the depth of the surface water below the water surface can be determined by adjusting the length of the chain between the floating ball 10 and the buoyancy balance ring 8.
The arrangement of the buoyancy balance ring 8 and the floating ball 10 ensures the balance between the weight of the device and the buoyancy, and ensures the range of the device for sampling the water layer.
The embodiment can rapidly and continuously collect floating garbage and micro-plastics on the surface of the water body, and has strong adaptability to tidal level difference and wave environment of an operation water area.
In order to facilitate installation of the collecting buoy 1, according to an embodiment of the present invention, the collecting buoy may further include a guide fixing frame 11, where the guide fixing frame 11 includes vertical supporting rods located at two opposite sides outside the collecting buoy 1, and the vertical supporting rods are respectively and fixedly disposed on the buoyancy balance ring 8. The guide fixing frame 11 further comprises a horizontal supporting rod located below the outer side of the collecting buoy 1, and the horizontal supporting rod and the vertical supporting rods on the two sides are integrally connected to form a U-shaped frame. The installation of whole equipment can be convenient for through direction mount 11, can fix whole equipment on bank structure thing or ship board, avoid floating away with the rivers, also realized that equipment removes the restraint of other degrees of freedom of vertical direction, inject the motion range of equipment.
Of course, in the sea area where no structure can be attached, the guide fixing frame 11 can be removed and connected to the below-mentioned counter weight 39 through the anchor chain, and the anchor chain is fixed to the sea bottom, so that the active collecting device can float and move within the set range of the sea area without drifting away with the water flow.
This embodiment, both sides the top of vertical branch is connected with the connecting rod that the level set up respectively, through setting up the connecting rod, the transport of the whole device of being convenient for on the one hand also is convenient for be connected with other structures, can establish the T type position of being connected at connecting rod and vertical branch through the rope system for example, and the rope is difficult to the pine and takes off, and in addition, the connecting rod level sets up, and the whole equipment of still being convenient for is balanced.
According to one embodiment of the invention, as shown in fig. 8, the upper surface of the support frame 37 is detachably mounted with a floating debris collecting net 36. Specifically, the supporting frame 37 is provided with a fixing flange for quickly dismounting and mounting the floating garbage collecting net 36, the floating garbage collecting net 36 is connected to the fixing flange, the floating garbage collecting net 36 floats up and down along with the supporting frame 37 and is used for collecting and isolating floating garbage with the diameter larger than 5mm, the diameter of the collected and isolated floating garbage can be adjusted according to the characteristics of the distribution environment, the connecting form of the floating garbage collecting net 36 and the supporting frame 37 is simple in structure, the quick dismounting and mounting of the floating garbage collecting net 36 can be realized, and the floating garbage can be quickly transferred under the condition that an active collecting device is not recovered.
Furthermore, a water retaining sleeve 35 parallel to the axis of the guide sleeve 40 is fixedly connected to the support frame 37, one end of the draft tube 19, which is provided with the surface layer water suction port 22, is movably inserted into the water retaining sleeve 35, and by arranging the water retaining sleeve 35, a positioning and guiding effect is exerted on the support frame 37 on one hand.
Specifically, as shown in fig. 5, drainage tube 19 has distributed a plurality of top layer suction holes near one section pipe wall of water gauge, forms top layer water sucking mouth 22, and this section distributes the pipeline section length in top layer suction hole is greater than the length of retaining cover 35 for at least partial top layer suction hole can expose retaining cover 35 outward, thereby guarantee all the time to intake from top layer suction hole, when braced frame 37 floated about the water level and made retaining cover 35 follow the fluctuation, expose the top layer suction hole position outside retaining cover 35 and constantly change, the top layer suction hole that is in water level department can intake all the time, thereby make top layer water sucking mouth 22 intake in succession. By providing a section of surface suction holes along the length of the draft tube 19, there are always surface suction holes above the water baffle 35 and from this position water can enter.
In order to facilitate the installation and fixation of the filtering and collecting unit 4, according to an embodiment of the present invention, the device further includes a mounting bracket 7, the mounting bracket 7 may be a cylindrical bracket, the filtering and collecting unit 4 is fixed in the mounting bracket 7, a quick-release flange is configured on the outer wall of the bottom of the collecting buoy 1, and the upper end of the mounting bracket 7 is connected to the bottom of the collecting buoy 1 through the quick-release flange.
Further, as shown in fig. 3, a water outlet pipe 17 is configured at the bottom of the collection buoy 1, one end of the water outlet pipe 17 extends into the collection buoy 1, one end of the water outlet pipe 17 extends out of the collection buoy 1, and the water outlet pipe 17 is installed at a buoy water outlet 16.
In this embodiment, as shown in fig. 6, the filtering and collecting unit 4 includes a multi-stage sealing connection filter screen module 24 and is located the upper end of the water inlet end of the filter screen module 24 is pressed with the cap 23 and is located the lower end of the water outlet end of the filter screen module 24 is pressed with the cap 26, the upper end is pressed with the cap 23, and the lower end is pressed with the cap 26 and is equipped with the water outlet channel. And a filter screen 29 is arranged on each stage of filter screen module 24, and classification, concentration and interception of surface layer micro-plastics in water are realized through the multi-stage filter screen modules 24. The multi-stage filter screen module 24 is composed of a plurality of filter screen modules 24 with different filter grades, and can be randomly and rapidly matched on site according to the requirement of obtaining the grade of the micro-plastic.
The filter screen modules 24 at each stage are sealed by a seal ring 25, for example, the seal ring 25 is press-fitted at the joint of the filter screen modules 24 at each stage, the upper end press cap 23 is press-fitted on the first stage filter module, and the lower end press cap 26 is press-fitted on the last stage filter module, and the screw 28 penetrates through the parts of the upper end press cap 23 and the lower end press cap 26 outside the filter screen modules 24 and is screwed by a nut, so that the upper end press cap 23, the multi-stage filter modules and the lower end press cap 26 are press-fitted into a whole.
Further, the pump outlet of power pump 3 with outlet pipe 17 is located the fixed cup joint of one end in the collection flotation pontoon 1 for the play water of power pump 3 can flow out through collection flotation pontoon 1, inhalant canal with outlet pipe 17 extends the outer one end butt joint of collection flotation pontoon 1 specifically can press cap 23 and outlet pipe 17's the corresponding end in the upper end and all set up flange 31, and both pass through flange 31 high-speed joint, make the hydroenergy in the collection flotation pontoon 1 can directly flow into multi-stage filtration module, in addition, in order to fully contact with filter screen 28 from the water that inhalant canal flowed in for the convenience be equipped with vortex honeycomb duct 30 in the cap 23 is pressed to the upper end.
According to an embodiment of the present invention, a flow meter 5 is connected to the outlet of the water outlet channel, and specifically, a flow meter fixing flange 27 may be respectively disposed on the lower end pressure cap 26 and the flow meter 5, and the connection between the two is realized through the flow meter fixing flange 27. Through setting up flowmeter 5, realized the monitoring function of sample process, according to the floating garbage volume of inflow and collection and the little plastics volume of gathering, the actual distribution condition of convenient, directly perceivedly reaction top water floating garbage and little plastics provides data support for the judgement of follow-up little plastics concentration.
The active collection device of the embodiment realizes synchronous collection of floating garbage and micro-plastic in surface water, can be used for protecting marine environment, and can meet the requirement of scientific investigation on sampling.
In addition, as shown in fig. 3, the bottom of gathering flotation pontoon 1 still is connected with washes tub 14, washes and is equipped with on the tub 14 and washes valve 13, is convenient for wash the switching of tub 14, wash the one end of tub 14 with gather the bottom intercommunication of flotation pontoon 1, wash tub 14 through setting up, be convenient for wash the rivers play of gathering flotation pontoon 1, because after power pump 3 stops the operation, the flotation pontoon delivery port 16 of gathering flotation pontoon 1 is unable, will wash the water discharge through washing tub 14 this moment, wash tub 14 the other end with outlet pipe 17 is located gather the outer pipe wall intercommunication of flotation pontoon 1 to wash the water and go into multi-stage filtration module, thereby collect the micro-plastic of rinsing aquatic.
As shown in fig. 9, in order to keep the balance between the gravity and the buoyancy of the equipment, according to an embodiment of the present invention, a counterweight adjusting mechanism 6 may be further included, where the counterweight adjusting mechanism 6 includes a counterweight frame 38 and a counterweight 39 connected to a lower portion of the counterweight frame 38, and the counterweight frame 38 is connected to a bottom portion of the mounting bracket 7, and both of the counterweight frame 38 and the mounting bracket may be connected by a flange to facilitate mounting and dismounting.
According to an embodiment of the present invention, a linear bearing 34 is disposed in the guiding sleeve 40, and the automatic water level adjusting mechanism 9 is subjected to a buoyancy greater than its own weight, and smoothly floats inside the collecting buoy 1 by the guiding action of the linear bearing 34.
In one embodiment, as shown in fig. 7, the automatic water level adjusting buoyancy unit is a water level adjusting buoyancy ring 33 fixedly installed in the support frame 37, and buoyancy is provided to the support frame 37 by the water level adjusting buoyancy ring 33.
In one embodiment, as shown in fig. 3, the water inlet windows 12 are elongated and arranged along the length direction of the collection buoy 1, and the water inlet windows 12 are uniformly distributed on the cylinder wall of the collection buoy 1. When the device is completely submerged in water, the water baffle 32 of the automatic water level adjusting mechanism 9 just completely covers the water inlet window 12 of the collecting buoy 1, the upper edge of the water inlet window 12 is positioned at the water surface position, and the lower edge of the water inlet window 12 is positioned at the deepest position of the taken surface water. The upper edge of the water baffle 32 of the automatic water level adjusting mechanism 9 is always positioned on the water surface, so that the surface layer water suction port 22 of the drainage mechanism 2 is always positioned on the water surface.
In order to facilitate the fixing of the buoyancy balance ring 8 on the collection buoy 1, as shown in fig. 3, according to an embodiment of the present invention, a flange rib plate 18 is fixed outside the cylinder wall of the collection buoy 1, and the buoyancy balance ring 8 is sleeved outside the collection buoy 1 and is fixedly connected to the flange rib plate 18.
As shown in fig. 5, specifically, the drainage tube 19 includes an L-shaped tube and a water inlet pipe joint 20 for being sleeved on the power pump 3 and being communicated with the underwater water inlet 15 of the power pump 3, and by providing the water inlet pipe joint 20, the drainage tube 19 is convenient to be installed on the power pump 3, and the water inlet of the water inlet pipe joint 20 is convenient to be communicated with the underwater water inlet 15 of the power pump 3; one section (a shorter section horizontally arranged) of the L-shaped pipe is butted with the water inlet pipe joint 20, and the other section (a longer section vertically arranged) of the L-shaped pipe vertically extends to the surface water level and is arranged in the water blocking sleeve 35 in a penetrating manner.
The embodiment of the invention realizes the synchronous collection of floating garbage and micro-plastic in surface water, can be used for realizing the protection of marine environment, and can meet the requirement of scientific investigation on sampling.
The above embodiments are merely illustrative of the present invention and are not to be construed as limiting the invention. Although the present invention has been described in detail with reference to the embodiments, it should be understood by those skilled in the art that various combinations, modifications or equivalents may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and the technical solution of the present invention is covered by the claims of the present invention.
Claims (10)
1. An active collection device for micro-plastic in surface water, which is characterized by comprising:
the device comprises a collecting buoy, a power pump, a drainage mechanism, an automatic water level adjusting mechanism and a filtering and collecting unit; the collecting buoy is provided with an open end, the side wall of the collecting buoy, which is positioned at the open end, is provided with a water inlet window, and the bottom of the collecting buoy is provided with a buoy water outlet;
the side wall of the power pump close to the lower part is provided with an underwater water inlet, the bottom of the power pump is provided with a water outlet, the power pump is fixed in the collection buoy, and the water outlet of the pump is communicated with the water outlet of the buoy;
the drainage mechanism comprises a drainage tube, a drainage water inlet and a surface layer water suction port, the drainage water inlet is arranged at one end of the drainage tube, the surface layer water suction port is arranged at the other end of the drainage tube, the drainage tube is arranged on the power pump, the drainage water inlet is communicated with the underwater water inlet, and the surface layer water suction port is positioned at the water surface position in the collection floating barrel and used for sucking surface layer water;
the automatic water level adjusting mechanism comprises a supporting frame, a guide sleeve constructed on the supporting frame, a water baffle arranged on the periphery of the supporting frame and an automatic water level adjusting buoyancy unit fixed in the supporting frame and used for providing buoyancy for the supporting frame, the supporting frame is arranged in the acquisition buoy, the upper end of the power pump is movably arranged in the guide sleeve in a penetrating mode, the periphery of the water baffle is matched with the inner wall, located at the opening end, of the acquisition buoy, and the water baffle moves up and down according to the change of water level to shield or open the water inlet window;
the filtering and collecting unit is arranged at the bottom outside the collecting floating barrel and is communicated with a water outlet of a pump of the power pump.
2. The active collection device for micro plastic in surface water of claim 1, further comprising a buoyancy balance ring and a plurality of floating balls, wherein the buoyancy balance ring is fixedly sleeved outside the collection buoy, and the plurality of floating balls are respectively connected to the periphery of the buoyancy balance ring at intervals through lock chains.
3. The active collection device for micro plastic in surface water of claim 2, further comprising a guide fixing frame, wherein the guide fixing frame comprises vertical support rods located at two opposite sides outside the collection float bowl, and the vertical support rods are respectively and fixedly arranged on the buoyancy balance ring in a penetrating manner.
4. The active collection device for micro plastic in surface water of claim 3, wherein the guiding fixing frame further comprises a horizontal strut located outside and below the collection buoy, and the horizontal strut and the vertical struts on both sides are integrally connected to form a U-shaped frame;
the top of the vertical supporting rod on two sides is respectively connected with a connecting rod which is horizontally arranged.
5. The active collection device for micro-plastics in surface water of claim 1, wherein a floating garbage collection net is detachably mounted on the upper surface of the support frame;
the supporting frame is also fixedly connected with a water retaining sleeve parallel to the axis of the guide sleeve, and one end of the drainage tube, which is provided with the surface layer water suction port, is movably arranged in the water retaining sleeve in a penetrating way;
and a plurality of surface layer water suction holes are distributed on a section of pipe wall of the drainage pipe close to the water meter to form the surface layer water suction port, and the length of the section of pipe wall distributed with the surface layer water suction holes is greater than that of the water blocking sleeve.
6. The active collection device for micro plastic in surface water of claim 1, further comprising a mounting bracket, wherein the filtering collection unit is fixed in the mounting bracket, a quick-release flange is configured on the outer wall of the bottom of the collection float, the upper end of the mounting bracket is connected with the bottom of the collection float through the quick-release flange, a water outlet pipe is configured on the bottom of the collection float, one end of the water outlet pipe extends into the collection float, and one end of the water outlet pipe extends out of the collection float;
the filter collecting unit comprises a filter screen module, an upper end pressing cap and a lower end pressing cap, the filter screen module is in multi-stage sealing connection with the filter screen module, the upper end pressing cap is positioned at the water inlet end of the filter screen module, the lower end pressing cap is positioned at the water outlet end of the filter screen module, the upper end pressing cap is provided with a water inlet channel, and the lower end pressing cap is provided with a water outlet channel;
the water inlet channel is in butt joint with one end of the water outlet pipe extending out of the collecting floating cylinder;
and a water outlet of the pump of the power pump is fixedly sleeved with one end of the water outlet pipe, which is positioned in the collection floating barrel.
7. The active collection device for micro plastic in surface water of claim 6, wherein an outlet of the water outlet channel is connected with a flow meter;
the bottom of gathering the flotation pontoon still is connected with rinses the washing pipe, rinse the one end of washing the pipe with the bottom intercommunication of gathering the flotation pontoon, rinse the other end of washing the pipe with the outlet pipe is located gather the outer pipe wall intercommunication of flotation pontoon.
8. The active collection device for micro plastic in surface water of claim 6, further comprising a weight adjustment mechanism, wherein the weight adjustment mechanism comprises a weight frame and a weight block connected to the lower portion of the weight frame, and the weight frame is connected to the bottom of the mounting bracket.
9. The active collection device for micro-plastics in surface water of claim 1, wherein a linear bearing is arranged in the guide sleeve, and the automatic water level adjusting buoyancy unit is an automatic water level adjusting buoyancy ring fixedly installed in the support frame;
the water inlet windows are long strips arranged along the length direction of the collecting buoy, and the water inlet windows are uniformly distributed on the cylinder wall of the collecting buoy.
10. The active collection device for micro-plastics in surface water according to claim 2, wherein a flange rib plate is fixed outside the cylinder wall of the collection buoy, and the buoyancy balance ring is sleeved outside the collection buoy and is fixedly connected with the flange rib plate;
the drainage tube comprises an L-shaped tube and a water inlet pipe joint, the water inlet pipe joint is used for being sleeved on the power pump and communicated with an underwater water inlet of the power pump, one section of the L-shaped tube is in butt joint with the water inlet pipe joint, and the other section of the L-shaped tube vertically extends to the surface of the surface layer water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010686696.3A CN111811884A (en) | 2020-07-16 | 2020-07-16 | Active collection device for surface underwater micro-plastic |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010686696.3A CN111811884A (en) | 2020-07-16 | 2020-07-16 | Active collection device for surface underwater micro-plastic |
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| Publication Number | Publication Date |
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| CN111811884A true CN111811884A (en) | 2020-10-23 |
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| CN202010686696.3A Pending CN111811884A (en) | 2020-07-16 | 2020-07-16 | Active collection device for surface underwater micro-plastic |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117212137A (en) * | 2023-11-09 | 2023-12-12 | 四川省地质矿产勘查开发局九0九水文地质工程地质队 | Groundwater collection device for hydraulic engineering ring geological engineering |
-
2020
- 2020-07-16 CN CN202010686696.3A patent/CN111811884A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117212137A (en) * | 2023-11-09 | 2023-12-12 | 四川省地质矿产勘查开发局九0九水文地质工程地质队 | Groundwater collection device for hydraulic engineering ring geological engineering |
| CN117212137B (en) * | 2023-11-09 | 2024-01-26 | 四川省地质矿产勘查开发局九0九水文地质工程地质队 | Groundwater collection device for hydraulic engineering ring geological engineering |
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Effective date of registration: 20210615 Address after: 266200, Qingdao, Shandong, Qingdao, Qingdao, the core of the blue Silicon Valley, blue Silicon Valley business center, phase one, building No. 1. Applicant after: OCEANOGRAPHIC INSTRUMENTATION Research Institute SHANDONG ACADEMY OF SCIENCES Applicant after: THIRD INSTITUTE OF OCEANOGRAPHY, MINISTRY OF NATURAL RESOURCES Address before: 266200, Qingdao, Shandong, Qingdao, Qingdao, the core of the blue Silicon Valley, blue Silicon Valley business center, phase one, building No. 1. Applicant before: OCEANOGRAPHIC INSTRUMENTATION Research Institute SHANDONG ACADEMY OF SCIENCES |