CN117326619A - Purifying device for micro-nano plastic - Google Patents
Purifying device for micro-nano plastic Download PDFInfo
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- CN117326619A CN117326619A CN202311303654.7A CN202311303654A CN117326619A CN 117326619 A CN117326619 A CN 117326619A CN 202311303654 A CN202311303654 A CN 202311303654A CN 117326619 A CN117326619 A CN 117326619A
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- filter cavity
- bubble
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- 229920003023 plastic Polymers 0.000 title claims abstract description 30
- 239000004033 plastic Substances 0.000 title claims abstract description 30
- 238000000746 purification Methods 0.000 claims abstract description 46
- 239000010865 sewage Substances 0.000 claims abstract description 39
- 238000005273 aeration Methods 0.000 claims abstract description 38
- 238000004065 wastewater treatment Methods 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 52
- 239000013535 sea water Substances 0.000 description 9
- 239000002101 nanobubble Substances 0.000 description 8
- 238000001914 filtration Methods 0.000 description 7
- 238000007790 scraping Methods 0.000 description 7
- 244000309464 bull Species 0.000 description 6
- 238000005188 flotation Methods 0.000 description 6
- 238000003756 stirring Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 229920000426 Microplastic Polymers 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000003911 water pollution Methods 0.000 description 2
- 238000001237 Raman spectrum Methods 0.000 description 1
- 229910052770 Uranium Inorganic materials 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000002354 radioactive wastewater Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/24—Treatment of water, waste water, or sewage by flotation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/24—Separation of coarse particles, e.g. by using sieves or screens
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/26—Reducing the size of particles, liquid droplets or bubbles, e.g. by crushing, grinding, spraying, creation of microbubbles or nanobubbles
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The invention discloses a purification device for micro-nano plastics, which relates to the technical field of wastewater treatment equipment and comprises a filter element and an aeration base, wherein the filter element is provided with a first filter cavity and a second filter cavity which are communicated with each other, and the second filter cavity is arranged around the first filter cavity. The aeration base is connected with the filter piece, is provided with a bubble cavity in the aeration base, and is provided with a first air outlet hole and a second air outlet hole, the first air outlet hole is communicated with the bubble cavity and the first filter cavity, the second air outlet hole is communicated with the bubble cavity and the second filter cavity, and the bubble cavity is used for being communicated with an external bubble generating device. The aeration base of the purification device can be connected with the bubble generation device, and micro bubbles generated by the bubble generation device can be transmitted to the bubble cavity of the aeration base. Because the microbubble in bubble chamber can be respectively through first venthole and second venthole transmission to first filter chamber and second filter chamber, when can carry out multiple purification to sewage for overall structure is simple, and occupation space is little.
Description
Technical Field
The invention relates to the technical field of wastewater treatment equipment, in particular to a purification device for micro-nano plastics.
Background
In recent years, with the development of society, plastics are becoming more common in people's lives, and water pollution caused by the plastics is also more serious. At present, water pollution is improved by micro-nano bubble flotation technology. The micro-nano bubble flotation technology is a technology for realizing the flotation separation of solid particles by utilizing the buoyancy effect brought by micro-bubbles, and has wide application in the fields of mineral flotation, environmental water treatment, biological medicine, food processing, textile industry and the like at present.
For example, the prior art with publication number CN114678153a discloses an ion flotation treatment method and treatment device for uranium-containing radioactive wastewater, which is to sequentially pass wastewater to be treated through three stirring tanks, and respectively arrange bubble generators in the three stirring tanks, and improve water quality through layer-by-layer purification.
However, this prior art has drawbacks such as that three stirring tanks and three bubble generators are arranged at separate intervals, which not only makes the whole processing apparatus complicated in structure, but also occupies a large space.
Disclosure of Invention
In view of the above, it is necessary to provide a purifying device for micro-nano plastics, which solves the technical problems that in the prior art, three stirring barrels and three bubble generators of a wastewater treatment device are arranged at intervals, so that the whole treatment device has a complex structure and occupies a large space.
In order to achieve the technical purpose, the technical scheme of the invention provides a purifying device for micro-nano plastics, which comprises:
the filter piece is provided with a first filter cavity and a second filter cavity which are communicated with each other, and the second filter cavity is arranged around the first filter cavity;
the aeration base is connected with the filter element, a bubble cavity is arranged in the aeration base, a first air outlet hole and a second air outlet hole are formed in the aeration base, the first air outlet hole is communicated with the bubble cavity and the first filter cavity, the second air outlet hole is communicated with the bubble cavity and the second filter cavity, and the bubble cavity is used for being communicated with an external bubble generating device.
Further, the bottom of the first filter cavity and the bottom of the second filter cavity are respectively provided with micro-air holes, and the micro-air holes are respectively communicated with the first air outlet hole and the second air outlet hole.
Further, the filter element comprises a central cylinder and a first outer cylinder which are arranged at intervals, the first outer cylinder surrounds the central cylinder, a second filter cavity is formed between the first outer cylinder and the first outer cylinder, the first filter cavity is arranged in the central cylinder, and the tops of the first filter cavity and the second filter cavity are both openings and are mutually communicated through the openings.
Further, the filter element comprises a first filter plate, wherein the first filter plate is positioned in the second filter cavity and is used for filtering sewage in the second filter cavity.
Further, the purification device for micro-nano plastics comprises a driving assembly, the driving assembly comprises a rotating rod and a spiral blade, the rotating rod and the spiral blade are located in the first filter cavity and are connected with each other, the spiral blade is arranged along the length direction of the rotating rod in a spiral mode, the rotating rod is connected with the aeration base in a rotating mode, the rotating rod can drive the spiral blade to rotate when rotating, and the spiral blade can drive sewage of the first filter cavity to flow towards a direction away from the aeration base when rotating.
Further, the driving assembly further comprises a driving motor, and the driving motor is connected with the rotating rod and used for driving the rotating rod to rotate.
Further, the driving assembly further comprises a scum scraper, the scum scraper comprises a fixed shaft and a plurality of scraping blades, the scraping blades are circumferentially arranged around the fixed shaft, and the fixed shaft and the rotating rod are concentrically arranged.
Further, the scraping blade is spirally arranged along the radial direction of the fixed shaft, and the rotating direction of the scraping blade is perpendicular to the rotating shaft of the fixed shaft.
Further, the filter element further comprises a second outer cylinder, the second outer cylinder is located on one side, opposite to the central cylinder, of the first outer cylinder, the second outer cylinder is arranged around the first outer cylinder, a third filter cavity is formed between the second outer cylinder and the first outer cylinder at intervals, and the third filter cavity is communicated with the second filter cavity.
Further, the filter element comprises a second filter plate, wherein the second filter plate is positioned in the third filter cavity and is used for filtering sewage in the third filter cavity.
Compared with the prior art, the invention has the beneficial effects that: the invention provides a purifying device for micro-nano plastics, which comprises an aeration base which can be connected with a bubble generating device, wherein micro-bubbles generated by the bubble generating device can be transmitted to a bubble cavity of the aeration base. Because the microbubble in bubble chamber can pass through first venthole and second venthole transmission to first filter chamber and second filter chamber respectively, the sewage that waits to purify can flow into first filter chamber, and the sewage after the microbubble of first filter chamber purifies for the first time can flow into the second filter chamber, purifies once more through the microbubble of second filter chamber. Compared with the prior art, the purification device for the micro-nano plastic integrates the first filter cavity and the second filter cavity for purifying sewage, and the aeration base can output micro bubbles to the first filter cavity and the second filter cavity at the same time, so that the integration level of the device is improved, and the sewage can be purified multiple times, and meanwhile, the whole structure is simple, and the occupied space is small.
Drawings
FIG. 1 is a schematic view showing an internal structure of a purifying apparatus for micro-nano plastics according to an embodiment of the present invention;
FIG. 2 is a schematic view of an embodiment of an aeration base according to the present invention;
fig. 3 is a schematic view showing the structure of an embodiment of the dross scraper according to the invention;
FIG. 4 is a schematic view of the structure of the purification device of the present invention in one of the viewing angles when connected to the micro-nano bubble generator, the water intake pump, and the water drain pipe;
FIG. 5 is a schematic view of the purification device of the present invention, connected to a micro-nano bubble generator, a water intake pump, and a water drain pipe, at another view angle;
fig. 6 is a schematic view of the structure of the purification apparatus of the present invention when it is applied to a ship.
Detailed Description
Preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, which form a part hereof, and together with the description serve to explain the principles of the invention, and are not intended to limit the scope of the invention.
Referring to fig. 1, the present invention provides a purification apparatus 100 for micro-nano plastics, which purification apparatus 100 for micro-nano plastics can be used to purify seawater, remove some harmful substances in seawater, for example, filter micro-plastics in seawater, to improve the quality of seawater.
The purification device 100 for micro-nano plastics comprises a filter element 1 and an aeration base 2, wherein the filter element 1 is provided with a first filter cavity 11 and a second filter cavity 12 which are communicated, the second filter cavity 12 is arranged around the first filter cavity 11, as can be seen from fig. 1, the first filter cavity 11 is cylindrical, and the second filter cavity 12 is annular. The first filter cavity 11 and the second filter cavity 12 can be used as places for filtering sewage, so that the sewage can be subjected to multiple purification, and the purification quality can be improved. The first filter chamber 11 can be used as a water inlet for the sewage to be purified to enter; the second filter chamber 12 may be provided with a water outlet for discharging the purified clean water, thereby achieving a continuous purification effect.
The aeration base 2 is connected to the bottom of the filter element 1, a bubble chamber (not shown in the figure) is arranged in the aeration base 2, the aeration base 2 is used for being connected with an external bubble generator, the bubble generator is of various types, for example, a micro-nano bubble generating device, one end of the micro-nano bubble generating device is used for being connected with a water source, water and air are fused, micro bubbles are generated, and the micro bubbles are transmitted to the bubble chamber of the aeration base 2.
The aeration base 2 is provided with a first air outlet hole 21 and a second air outlet hole 22, the first air outlet hole 21 is communicated with the bubble cavity and the first filter cavity 11, and the second air outlet hole 22 is communicated with the bubble cavity and the second filter cavity 12, so that micro bubbles in the bubble cavity can be respectively transmitted to the first filter cavity 11 and the second filter cavity 12 through the first air outlet hole 21 and the second air outlet hole 22, and sewage in the first filter cavity 11 and the second filter cavity 12 is purified.
Principle of microbubble purification: when the micro-bubbles are contacted with micro-plastic particles suspended in the seawater, the micro-bubbles and the micro-plastic particles form flocs, and the formed flocs increase the collision probability and adhesion probability due to the increase of the contact area between the micro-bubbles and the bubbles, so that the flotation efficiency is improved, and pollutants are separated from water.
The aeration base 2 included in the purification apparatus 100 of the present invention may be connected to a bubble generating apparatus, and micro bubbles generated by the bubble generating apparatus may be transferred to a bubble chamber of the aeration base 2. Since the micro-bubbles of the bubble chamber can be transferred to the first filter chamber 11 and the second filter chamber 12 through the first air outlet hole 21 and the second air outlet hole 22, respectively, the sewage to be purified can flow into the first filter chamber 11, the sewage after the first purification of the micro-bubbles passing through the first filter chamber 11 can flow into the second filter chamber 12, and the micro-bubbles passing through the second filter chamber 12 are purified again. Compared with the prior art, the purification device integrates the first filter cavity 11 and the second filter cavity 12 for purifying sewage, and the aeration base 2 can output micro bubbles to the first filter cavity 11 and the second filter cavity 12 at the same time, so that the integration level of the device is improved, and the sewage can be purified multiple times, and meanwhile, the whole structure is simple, and the occupied space is small.
Referring to fig. 1, the filter element 1 of the embodiment shown in fig. 1 is further provided with a third filter cavity 13, wherein the third filter cavity 13 is arranged around the circumference of the second filter cavity 12 and is communicated with the second filter cavity 12, and water purified by the second filter cavity 12 can flow into the third filter cavity 13 for purification again.
The aeration base 2 is provided with a third air outlet hole 23, and the third filter cavity 13 is communicated with the bubble cavity through the third air outlet hole 23. Microbubbles in the bubble chamber can flow into the third filter chamber 13 through the third air outlet hole 23, and the microbubbles can purify the water in the third filter chamber 13 again. In this embodiment, a water outlet may be formed in the filter member 1, and the water outlet communicates with the third filter chamber 13 and the outside air, so that the water filtered in the third filter chamber 13 is discharged through the water outlet.
Referring to fig. 2, the aeration base 2 of the embodiment shown in fig. 2 is circular, and the aeration base 2 is radially provided with the first air outlet holes 21, the second air outlet holes 22 and the third air outlet holes 23, where the number of the first air outlet holes 21, the second air outlet holes 22 and the third air outlet holes 23 is multiple, and all are arranged in a circular array manner, so that bubbles output from the air outlet holes can be uniformly diffused in the corresponding filter cavities, which is beneficial to improving the sewage purification efficiency of the corresponding filter cavities. In other embodiments, the gas outlet holes may be arranged in other ways, such as in a matrix arrangement, or in an irregular arrangement.
In one embodiment, the filter element 1 comprises a central cylinder 14 and a first outer cylinder 15 arranged at intervals, the first outer cylinder 15 being arranged around the central cylinder 14 with the second filter chamber 12 described above formed therebetween. The central cylinder 14 is internally provided with the first filter cavity 11, and the top parts of the first filter cavity 11 and the second filter cavity 12 are all openings and are communicated with each other through the openings. The first filter cavity 11 can be communicated with the sewage to be purified outside, the sewage enters the first filter cavity 11, and enters the second filter cavity 12 for further purification after the first filtration. Specifically, the bottom of the filter element 1 and the aeration base 2 are provided with perforations, and the water inlet pipe of the external water pump can penetrate through the perforations to extend into the first filter cavity 11, so that sewage to be purified is input into the first filter cavity 11. In other embodiments, the water inlet pipe of the external water pump can also extend into the second filter cavity 12, and after the water is purified by the second filter cavity 12, the water is discharged into the first filter cavity 11 for further purification.
In an embodiment, the filter element 1 further comprises a first filter plate 16, the first filter plate 16 being annular and being arranged around the circumference of the central cylinder 14. The first filter plate 16 is located in the second filter chamber 12 and serves to filter the sewage from the second filter chamber 12. Specifically, the height of the first filter plate 16 is lower than the height of the opening of the central cylinder 14, so that water overflowing from the opening of the first filter chamber 11 can directly fall down to the first filter plate 16, and after being filtered by the first filter plate 16, the water continues to fall down to the second filter chamber 12.
The first filter plate 16 is provided with a plurality of first micropores along the thickness direction thereof, the aperture of the first micropores is 1-2mm, and the first micropores are used for blocking microplastic larger than the aperture on the first filter plate 16, thereby achieving the purpose of purifying sewage in the first filter cavity 11.
In an embodiment, the filter element 1 further includes a second outer cylinder 17, the second outer cylinder 17 is located on a side of the first outer cylinder 15 facing away from the central cylinder 14, the second outer cylinder 17 is disposed around the first outer cylinder 15, the third filter cavity 13 is formed between the second outer cylinder 17 and the first outer cylinder 15 at intervals, and the third filter cavity 13 is communicated with the second filter cavity 12, so that water filtered by the second filter cavity 12 can flow into the third filter cavity to be filtered, so as to further improve water quality. The sidewall of the first outer cylinder 15 has overflow holes 151, the overflow holes 151 communicate the second filter chamber 12 and the third filter chamber 13, and the overflow holes 151 are located below the first filter plate 16, so that water filtered by the first filter plate 16 can flow into the third filter chamber 13 through the overflow holes 151.
The filter element 1 further comprises a second filter plate 18 provided in the third filter chamber 13, the second filter plate 18 being annular and being arranged around the circumference of the first outer cylinder 15. The second filter plate 18 is located below the overflow hole 151, water flowing through the overflow hole 151 can directly fall to the second filter plate 18, second micropores are formed in the second filter plate 18 along the thickness direction of the second filter plate, the aperture of the second micropores is 30-50 μm, water falling onto the second filter plate 18 is filtered through the second micropores, so that micro plastics larger than the aperture can stay above the second filter plate 18, and the effect of filtering in the third filter cavity 13 is achieved.
The side wall of the second outer tube 17 is provided with a water outlet 171, the water outlet 171 is positioned below the second filter plate 18, the water filtered by the second filter plate 18 falls into a cavity below the second filter plate 18 until the water overflows from the water outlet 171, and the water filtered by all the filter plates is discharged.
It should be emphasized that the bottoms of the first filter cavity 11, the second filter cavity 12 and the third filter cavity 13 are provided with micro-bubble holes 111, and the micro-bubble holes 111 of each filter cavity are communicated with the corresponding air outlet holes of the aeration base 2, so that micro-bubbles output from the air outlet holes can be output to the corresponding filter cavities through the micro-bubble holes 111. Through the action of the micro-bubble holes 111, the micro-bubbles generated in the corresponding filter cavity are more, which is beneficial to improving the purification of the sewage in the filter cavity.
In an embodiment, the purification device 100 includes the driving component 3, the driving component 3 includes the bull stick 31 and the spiral leaf 32 that are located first filter chamber 11 and interconnect, the spiral leaf 32 sets up along the length direction spiral of bull stick 31, the bull stick 31 rotates and connects aeration base 2, the bull stick 31 can drive the spiral leaf 32 rotation when rotating, the spiral leaf 32 can drive the sewage of first filter chamber 11 to flow towards the direction of keeping away from aeration base 2 when rotating, also can understand to flow towards the top of first filter chamber 11, thereby accelerate the circulation speed of sewage at purification device 100, the purification efficiency of sewage has been improved.
The bull stick 31 is located the center pin position department of first filter chamber 11, and a plurality of third micropore 321 have been seted up along the direction that its length extends to spiral leaf 32 for bull stick 31 is driving spiral leaf 32 pivoted in-process, and first filter chamber 11 can produce more microbubbles, is favorable to further improving sewage purification efficiency.
The rotation of the rotating rod 31 can be driven manually or automatically by electric drive. In an embodiment, the driving assembly 3 further includes a driving motor 33, where the driving motor 33 is connected to the rotating rod 31 and automatically drives the rotating rod 31 to rotate in an electric manner, which is beneficial to saving manpower.
Referring to fig. 1 and 3, in an embodiment, the driving assembly 3 further includes a dross scraper 34, the dross scraper 34 including a fixed shaft 341 and a plurality of wiper blades 342, the plurality of wiper blades 342 being disposed around a circumference of the fixed shaft 341, the fixed shaft 341 being disposed concentrically with the rotating shaft 31. The height of the plurality of scraping blades 342 is basically consistent with the height of the outlet of the central cylinder 14, the fixed shaft 341 is used for driving the plurality of scraping blades 342 to rotate simultaneously when rotating, and the plurality of scraping blades 342 can stir the scum on the liquid surface of the first filter cavity 11 when rotating, so that the scum falls to the first filter plate 16, and the scum impurity on the liquid surface is prevented from affecting the filtration of sewage.
Further, the shape of the wiper 342 is more specific, the wiper 342 is spirally arranged along the radial direction of the fixed shaft 341, and the wiper 342 with the shape has a certain guiding function. The direction of rotation of the wiper 342 is perpendicular to the axis of rotation of the stationary shaft 341, so that the wiper 342 can stir more liquid level scum to the first filter plate 16 during rotation.
Referring to fig. 4 and 5, the purification apparatus 100 is further connected with a micro-nano bubble generating apparatus, a water inlet pump 102 and a water drain pipe 103, wherein the micro-nano bubble generating apparatus includes a water pump 101 and an aeration tank 104 connected to each other, one end of the water pump 101 is used for connecting a water source, and the water source can be self-provided tap water or seawater in a current scene, and the seawater is usually seawater with impurities. The aeration tank 104 is used for mixing and pressurizing the water and air pumped by the water pump 101 to generate micro-bubbles, and then opening the corresponding pressure valve to release the micro-bubbles. The pressure valve is connected with the bubble chamber of the aeration base 2, so that micro bubbles can be output to the bubble chamber and simultaneously output to the first filter chamber 11, the second filter chamber 12 and the third filter chamber 13 through the bubble chamber, thereby assisting the sewage purification of the three filter chambers.
One end of the water inlet pump 102 is used for communicating sewage to be purified, and the other end extends into the first filter cavity 11. When the water intake pump 102 is operated, the water intake pump 102 can continuously pump and convey the sewage to be purified to the first filter chamber 11, so that the purification apparatus 100 purifies the sewage.
One end of the drain pipe 103 is connected to the water outlet 171, and the other end is connected to the clean water discharge site, and after the sewage is filtered and purified by the purification apparatus 100, the sewage is discharged from the water outlet 171 and then discharged to the clean water discharge site through the drain pipe 103.
Referring to fig. 6, the embodiments shown in fig. 4 and 5 may be further installed on a ship 105, the ship 105 has a fan blade 106, and the ship 105 can travel under the driving of the fan blade 106 to drive the purification apparatus 100 to a target position, so that the purification apparatus 100 purifies sewage at the target position, and the use is convenient and the sewage purification efficiency is high.
The staff can use the detector to quickly identify the micro-nano plastic in the sea area by adopting a Raman spectrum quick identification method, and feed back the identified spectrum information, so that reference is provided for the staff, and the staff is assisted in controlling the ship 105 to travel to the target area for decontamination operation. The seawater after the filtering and purifying can be directly discharged to the current sea area through the drain pipe 103.
The present invention is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present invention are intended to be included in the scope of the present invention.
Claims (10)
1. A purification device for micro-nano plastics, comprising:
the filter piece is provided with a first filter cavity and a second filter cavity which are communicated, and the second filter cavity is arranged around the circumference of the first filter cavity;
the aeration base is connected with the filter element, a bubble cavity is arranged in the aeration base, a first air outlet hole and a second air outlet hole are formed in the aeration base, the first air outlet hole is communicated with the bubble cavity and the first filter cavity, the second air outlet hole is communicated with the bubble cavity and the second filter cavity, and the bubble cavity is used for being communicated with an external bubble generating device.
2. The purification device for micro-nano plastics according to claim 1, wherein the filter element comprises a central cylinder and a first outer cylinder which are arranged at intervals, the first outer cylinder is arranged around the central cylinder, the second filter cavity is formed between the central cylinder and the first outer cylinder, the first filter cavity is arranged in the central cylinder, and the top of the first filter cavity and the top of the second filter cavity are both openings and are mutually communicated through the openings.
3. The purification device for micro-nano plastics according to claim 2, wherein the filter comprises a first filter plate located in the second filter chamber and adapted to filter the sewage from the second filter chamber.
4. The purification device for micro-nano plastics according to claim 2, wherein the purification device for micro-nano plastics comprises a driving assembly, the driving assembly comprises a rotating rod and a spiral blade, the rotating rod and the spiral blade are positioned in the first filter cavity and are connected with each other, the spiral blade is spirally arranged along the length direction of the rotating rod, the rotating rod is rotationally connected with the aeration base, the rotating rod can drive the spiral blade to rotate when rotating, and the spiral blade can drive sewage in the first filter cavity to flow in a direction away from the aeration base when rotating.
5. The purification device for micro-nano plastics according to claim 4, wherein the driving assembly further comprises a driving motor, the driving motor being connected to the rotating rod and configured to rotate the rotating rod.
6. The purification apparatus for micro-nano plastic according to claim 4, wherein the driving assembly further comprises a dross scraper comprising a fixed shaft and a plurality of wiper blades, the plurality of wiper blades being disposed around a circumference of the fixed shaft, the fixed shaft being disposed concentrically with the rotating rod.
7. The purifying apparatus for micro-nano plastic according to claim 6, wherein the wiper blade is spirally arranged along a radial direction of the fixed shaft, and a rotation direction of the wiper blade is perpendicular to a rotation axis of the fixed shaft.
8. The purification device for micro-nano plastics according to claim 2, wherein the filter further comprises a second outer tube, the second outer tube is located on a side of the first outer tube facing away from the central tube, the second outer tube is disposed around the first outer tube, a third filter cavity is formed between the second outer tube and the first outer tube at intervals, and the third filter cavity is communicated with the second filter cavity.
9. The purification device for micro-nano plastics according to claim 8, wherein the filter comprises a second filter plate, the second filter plate being located in the third filter chamber and being adapted to filter the sewage from the third filter chamber.
10. The purification device for micro-nano plastics according to claim 1, wherein the bottom of the first filter chamber and the bottom of the second filter chamber each have micro-air holes, and the first air outlet hole and the second air outlet hole are respectively communicated through the respective micro-air holes.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202311303654.7A CN117326619A (en) | 2023-10-09 | 2023-10-09 | Purifying device for micro-nano plastic |
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CN202311303654.7A CN117326619A (en) | 2023-10-09 | 2023-10-09 | Purifying device for micro-nano plastic |
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CN117326619A true CN117326619A (en) | 2024-01-02 |
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CN202311303654.7A Pending CN117326619A (en) | 2023-10-09 | 2023-10-09 | Purifying device for micro-nano plastic |
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