CN219308095U - Underwater micro-plastic collecting device - Google Patents

Abstract

The utility model discloses an underwater microplastic collecting device, which comprises: the outer wall of one end of the first collecting cylinder is in a horn-shaped structure; the first filter screen is provided with first mesh holes which are uniformly distributed, and is arranged on the first collecting cylinder; the size of the second collecting cylinder is matched with the other end of the first collecting cylinder, and the second collecting cylinder is detachably arranged on the first collecting cylinder; the second filter screen is provided with second meshes which are uniformly distributed, and the second meshes are arranged on the second collecting cylinder; the size of the third collecting cylinder is matched with that of the second collecting cylinder, and the third collecting cylinder is detachably arranged on the second collecting cylinder; the third filter screen is provided with third meshes which are uniformly distributed. The utility model is divided into four layers, and filter screens with different specifications are respectively arranged in each layer, so that microplastic with different particle diameters can be collected.

Description

Underwater microplastic collection device

technical field

The utility model relates to the technical field of microplastic collection, in particular to an underwater microplastic collection device.

Background technique

In traditional microplastic collection devices, manual sampling is mainly used. This operation is not only seriously time-consuming, but also easily leads to increased operational errors and experimental errors due to repeated collection; or basically adopts fixed or drifting methods. Collection devices, these devices cannot quickly and effectively collect microplastics in shallow water, the collection efficiency is low, the collection time is greatly prolonged, and the effective water area for collection is also reduced. Finally, most of the existing technologies are aimed at collecting microplastics in fixed waters, such as ponds and mariculture workshops. Since only one layer of collection structure is set up, the size of the filter holes is single, resulting in a large span of collected microplastics, which cannot meet Requirements for the collection of microplastics of different sizes.

After searching, the Chinese patent application number is CN202220394224.5, which discloses an underwater microplastic collection device, including solar power generation panels, power supplies, fixing seats, filter baskets, water pipes, collection mechanisms, controllers, anchor chains, and anchors. , a water pump, a cable, a buoyancy mechanism, a driver; the upper and lower sides of the fixing seat are respectively connected to a solar power generation panel and a buoyancy mechanism, the solar power generation panel is connected to both sides of a power supply, the power supply is connected to a controller, and the controller It is connected to the driver, the driver is connected to the water pump through a cable, and the driver is also connected to the power supply. The filter basket is set on the buoyancy mechanism, the upper end of the water pipe faces the filter basket, and the lower end runs through the buoyancy mechanism and is extended to connect with the water pump , the lower side of the water pipe is sleeved with a collection mechanism, and the mounting seat at the bottom of the collection mechanism is connected with the anchor through a chain. The collection device in the above-mentioned patent has the following disadvantages: the filtering effect is single, and it cannot meet the requirements for collecting microplastics of different sizes.

Utility model content

The purpose of the utility model is to solve the shortcomings in the prior art, and propose an underwater microplastic collection device.

In order to achieve the above object, the utility model adopts the following technical solutions:

Underwater microplastic collection devices, including:

The first collection tube, the outer wall at one end of the first collection tube is in the shape of a trumpet;

a first filter screen, the first filter screen is provided with uniformly distributed first mesh holes, and the first filter screen is installed on the first collection cylinder;

The second collection tube, the size of the second collection tube is adapted to the other end of the first collection tube, and the second collection tube is detachably installed on the first collection tube;

a second filter screen, the second filter screen is provided with evenly distributed second mesh holes, and the second mesh holes are installed on the second collection cylinder;

The third collection tube, the size of the third collection tube is suitable for the second collection tube, and the third collection tube is detachably installed on the second collection tube;

The third filter screen, the third filter screen is provided with evenly distributed third mesh holes, and the third filter screen is installed on the third collection cylinder;

The fourth collection tube, the size of the fourth collection tube is compatible with the third collection tube, and the fourth collection tube is detachably installed on the third collection tube;

Wherein, two symmetrical protrusions are integrally provided at the edge of the first filter screen, the second filter screen and the third filter screen;

One end of the first collection tube, the second collection tube and the third collection tube is provided with an arc-shaped groove and two grooves adapted to the protrusion; the groove communicates with the arc-shaped groove;

The first filter screen, the second filter screen and the third filter screen are inserted into the groove through the protrusion and then screwed into the arc groove to complete the installation;

Aperture diameters of the first mesh, the second mesh, and the third mesh decrease sequentially.

As a further solution of the present invention: a sieve plate is installed inside the trumpet-shaped structure of the first collection cylinder, and the sieve plate is provided with evenly distributed sieve holes, and the pore diameter of the sieve holes is larger than that of the first mesh hole.

As a further solution of the utility model: the inner walls of one end of the second collection tube, the third collection tube and the fourth collection tube are all provided with two stoppers matching the grooves; The third collection tube and the fourth collection tube are snapped into the groove by the limit block and then screwed into the arc groove to complete the installation.

As a further solution of the utility model: the first filter screen, the second filter screen and the third filter screen are hollow conical structures, and the inner diameters of the first filter screen, the second filter screen and the third filter screen are gradually decreases toward the direction away from the first collection cylinder; the first mesh is opened on the peripheral outer wall and end surface of the first filter screen; the second mesh is opened on the peripheral outer wall and end surface of the second filter screen; the third mesh Set on the peripheral outer wall of the third strainer.

As a further solution of the present invention: the aperture of the sieve is 10mm; the aperture of the first mesh is 5mm; the aperture of the second mesh is 3mm; the aperture of the third mesh is 2mm.

As a further solution of the utility model: the second collection tube, the third collection tube and the fourth collection tube are all detachable structures, and all include:

The first half of the cylinder, the first half of the cylinder has a C-shaped structure, and the two ends of the first half of the cylinder are provided with sockets;

The second half cylinder; the second half cylinder has a C-shaped structure that matches the first half cylinder, and the two ends of the second half cylinder are integrally provided with arc-shaped elastic inserts, and the second half cylinder passes through the arc The elastic insert is clamped in the socket of the first half cylinder.

As a further solution of the utility model: an elastic ring is fixed on the outer wall of the arc-shaped elastic insert.

The beneficial effects of the utility model are:

1. The utility model is divided into a four-layer structure, and filter screens of different specifications are arranged in each layer, and microplastics of different particle sizes can be collected.

2. The utility model is easy to disassemble and assemble. The bottom layer has a 2mm filter screen on the side, and there is no filter screen on the bottom surface, so that the filtered water can flow out from the sides around the device, allowing the collected microplastics to gather At the bottom for easy collection.

3. The entrance of the utility model device adopts a trumpet-shaped design to increase the flow rate of water flow. Each layer of filter screen adopts a circular table design to avoid microplastics from clogging the filter screen. The inner wall of the collection device is smooth, which reduces the friction coefficient. The shortcoming of the current low efficiency of microplastic collection and analysis technology is a microplastic collection device suitable for shallow water.

4. The utility model is equipped with an elastic ring, which can be used for reinforcement and anti-skid when the arc-shaped elastic insert is inserted into the socket.

Description of drawings

Fig. 1 is the structural schematic diagram that the utility model proposes the underwater microplastic collecting device dismantling;

Fig. 2 is a structural schematic diagram of another angle of disassembly of the underwater microplastic collection device proposed by the utility model;

Fig. 3 is a structural schematic diagram of the splitting of the first half cylinder and the second half cylinder of the underwater microplastic collection device proposed by the utility model;

Fig. 4 is a structural schematic diagram of another angle of splitting the first half-tube part and the second half-tube part of the underwater microplastic collection device proposed by the utility model;

Fig. 5 is a structural schematic diagram of an arc-shaped elastic insertion rod and a socket of the underwater microplastic collection device proposed by the utility model.

In the figure: 1-the first collection cylinder, 2-the second collection cylinder, 3-the second filter screen, 4-limiting block, 5-the fourth collection cylinder, 6-the third filter screen, 7-the third collection cylinder , 8-first filter screen, 9-screen hole, 10-sieve plate, 11-groove, 12-third mesh, 13-second mesh, 14-first half cylinder, 15-elastic ring, 16-arc elastic plunger, 17-second half cylinder, 18-arc groove, 19-jack, 20-first mesh.

Detailed ways

The technical solution of this patent will be further described in detail below in conjunction with specific embodiments.

Embodiments of the present patent are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are only used for explaining the patent, and should not be construed as limiting the patent.

Example 1

The underwater microplastic collection device, as shown in Figure 1-5, includes:

The first collection tube 1, the outer wall of one end of the first collection tube 1 has a trumpet-shaped structure;

The first filter screen 8, the first filter screen 8 is provided with evenly distributed first mesh holes 20, and the first filter screen 8 is installed on the first collection cylinder 1;

The second collection tube 2, the size of the second collection tube 2 is adapted to the other end of the first collection tube 1, and the second collection tube 2 is detachably installed on the first collection tube 1;

The second filter screen 3, the second filter screen 3 is provided with evenly distributed second mesh holes 13, and the second mesh holes 13 are installed on the second collection cylinder 2;

The third collection tube 7, the size of the third collection tube 7 is adapted to the second collection tube 2, and the third collection tube 7 is detachably installed on the second collection tube 2;

The third filter screen 6, the third filter screen 6 is provided with evenly distributed third mesh holes 12, the third filter screen 6 is installed on the third collection cylinder 7;

The fourth collection tube 5, the size of the fourth collection tube 5 is adapted to the third collection tube 7, and the fourth collection tube 5 is detachably installed on the third collection tube 7;

Wherein, two symmetrical protrusions are integrally provided at the edges of the first filter screen 8, the second filter screen 3 and the third filter screen 6;

One end of the first collecting tube 1, the second collecting tube 2 and the third collecting tube 7 is provided with an arc-shaped groove 18 and two grooves 11 matching with the protrusion; the groove 11 is connected with the arc-shaped groove 18 Pass;

The first filter screen 8, the second filter screen 3 and the third filter screen 6 are inserted into the groove 11 through the protrusions and then screwed into the arc groove 18 to complete the installation;

The diameters of the first mesh 20 , the second mesh 13 , and the third mesh 12 decrease sequentially.

In order to facilitate collection; as shown in Figure 1, a sieve plate 10 is installed on the inside of the horn-shaped structure of the first collection cylinder 1, and the sieve plate 10 is provided with evenly distributed sieve holes 9, and the aperture of the sieve holes 9 is larger than that of the first net. The diameter of the hole 20.

In order to facilitate installation; as shown in Figure 2 and Figure 4, the inner walls of one end of the second collection tube 2, the third collection tube 7 and the fourth collection tube 5 are provided with two stoppers that are adapted to the groove 11 Block 4; the second collection tube 2, the third collection tube 7 and the fourth collection tube 5 are snapped into the groove 11 by the limit block 4 and then screwed into the arc groove 18 to complete the installation.

In order to facilitate collection; as shown in Figure 2, the first filter screen 8, the second filter screen 3 and the third filter screen 6 are hollow conical structures, and the first filter screen 8, the second filter screen 3 and the third filter screen The inner diameter of the three filter screens 6 gradually decreases toward the direction away from the first collection cylinder 1; the first mesh 20 is provided on the peripheral outer wall and the end face of the first filter screen 8; the second mesh 13 is provided on the second filter screen 3 on the outer circumferential wall and end face; the third mesh 12 is opened on the outer circumferential wall of the third strainer 6 .

In order to facilitate collection; As shown in Figure 2, the aperture of described sieve hole 9 is 10mm; The aperture of the first mesh 20 is 5mm; The aperture of the second mesh 13 is 3mm; The aperture of the 3rd mesh 12 is 2mm.

Example 2

In order to facilitate disassembly and assembly, with reference to Figure 3, the underwater microplastics collection device, this embodiment makes the following improvements compared to Embodiment 1, the second collection cylinder 2, the third collection cylinder 7 and the fourth collection cylinder 5 are all Detachable structures, both including:

The first half cylinder 14, the first half cylinder 14 has a C-shaped structure, and the two ends of the first half cylinder 14 are provided with jacks 19;

The second half cylinder 17; the second half cylinder 17 is a C-shaped structure compatible with the first half cylinder 14, and the two ends of the second half cylinder 17 are integrally provided with arc-shaped elastic inserts 16, and the second half cylinder The barrel member 17 is snapped into the insertion hole 19 of the first half barrel member 14 through the arc-shaped elastic insert 16 .

In order to improve firmness; as shown in Figure 5, the outer wall of the arc-shaped elastic insert 16 is fixed with an elastic ring 15;

By providing the elastic ring 15 , when the arc-shaped elastic insert 16 is inserted into the insertion hole 19 , the elastic ring 15 can be used for reinforcement and anti-slip function.

The above is only a preferred embodiment of the utility model, but the scope of protection of the utility model is not limited thereto. The equivalent replacement or change of the new technical solution and the concept of the utility model shall be covered by the protection scope of the utility model.

Claims (7)

1. The underwater microplastic collection device is characterized in that, comprising: A first collection tube (1), the outer wall of one end of the first collection tube (1) has a trumpet-shaped structure; The first filter screen (8), the first filter screen (8) is provided with evenly distributed first mesh holes (20), and the first filter screen (8) is installed on the first collection cylinder (1); The second collection tube (2), the size of the second collection tube (2) is adapted to the other end of the first collection tube (1), and the second collection tube (2) is detachably installed on the first collection tube (1) superior; The second filter screen (3), the second filter screen (3) is provided with evenly distributed second mesh holes (13), and the second mesh holes (13) are installed on the second collection cylinder (2); The third collecting tube (7), the size of the third collecting tube (7) is adapted to the second collecting tube (2), and the third collecting tube (7) is detachably installed on the second collecting tube (2); The third filter screen (6), the third filter screen (6) is provided with evenly distributed third mesh holes (12), and the third filter screen (6) is installed on the third collection cylinder (7); The fourth collection tube (5), the size of the fourth collection tube (5) is adapted to the third collection tube (7), and the fourth collection tube (5) is detachably installed on the third collection tube (7); Wherein, two symmetrical protrusions are integrally provided at the edges of the first filter screen (8), the second filter screen (3) and the third filter screen (6); One end of the first collection tube (1), the second collection tube (2) and the third collection tube (7) is provided with an arc-shaped groove (18) and two grooves (11) matching with the protrusions ; The groove (11) communicates with the arc groove (18); The first filter screen (8), the second filter screen (3) and the third filter screen (6) are screwed into the arc groove (18) to complete the installation after snapping into the groove (11) through the protrusion; The diameters of the first mesh (20), the second mesh (13) and the third mesh (12) decrease sequentially. 2. The underwater microplastics collecting device according to claim 1, characterized in that, a sieve plate (10) is installed on the inside of the trumpet-shaped structure of the first collection cylinder (1), and a sieve plate (10) is provided on the sieve plate (10). Evenly distributed sieve holes (9), the pore diameter of the sieve holes (9) is larger than the pore diameter of the first mesh hole (20). 3. The underwater microplastic collecting device according to claim 2, characterized in that, the inner walls of one end of the second collection cylinder (2), the third collection cylinder (7) and the fourth collection cylinder (5) are all provided with There are two stoppers (4) matching the grooves (11); the second collection tube (2), the third collection tube (7) and the fourth collection tube (5) pass through the stopper (4) Snap into the groove (11) and then screw into the arc groove (18) to complete the installation. 4. The underwater microplastics collecting device according to claim 3, characterized in that, the first filter screen (8), the second filter screen (3) and the third filter screen (6) are hollow circular truncated structure, and the inner diameters of the first filter screen (8), the second filter screen (3) and the third filter screen (6) gradually decrease toward the direction away from the first collection cylinder (1); the first mesh hole (20 ) is opened on the outer circumferential wall and end face of the first filter screen (8); the second mesh (13) is opened on the outer circumferential wall and end face of the second filter screen (3); the third mesh (12) is opened on the second filter screen (3). On the circumference outer wall of three strainer screens (6). 5. underwater microplastics collecting device according to claim 2, is characterized in that, the aperture of described sieve (9) is 10mm; The aperture of the first mesh (20) is 5mm; The second mesh (13 ) of the aperture is 3mm; the aperture of the third mesh (12) is 2mm. 6. The underwater microplastic collection device according to claim 3, characterized in that, the second collection tube (2), the third collection tube (7) and the fourth collection tube (5) are all detachable structure, including: The first half cylinder (14), the first half cylinder (14) has a C-shaped structure, and the two ends of the first half cylinder (14) are provided with sockets (19); The second half cylinder (17); the second half cylinder (17) is a C-shaped structure suitable for the first half cylinder (14), and the two ends of the second half cylinder (17) are integrally provided with arcs shaped elastic insert (16), the second half cylinder (17) is clamped in the socket (19) of the first half cylinder (14) through the arc-shaped elastic insert (16). 7. The underwater microplastic collection device according to claim 6, characterized in that, an elastic ring (15) is fixed on the outer wall of the arc-shaped elastic insert (16).

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