Micro-plastic flotation device

By introducing a vibrating motor, a conical cylinder, and a connecting pipe structure into the microplastic flotation device, the problem of needing to stop the existing device to clean the filter paper cylinder is solved, and continuous operation and efficient separation effect of microplastic flotation are achieved.

CN223832498UActive Publication Date: 2026-01-27XIAN UNVERSITY OF ARTS & SCI
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520151646.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-22
Publication Date
2026-01-27
Estimated Expiration
2035-01-22

AI Technical Summary

Technical Problem

Existing microplastic flotation devices require shutdown when cleaning and replacing filter paper cylinders, and the liquid carries out some sludge, affecting flotation efficiency.

Method used

Two outlet pipes and connecting pipes were designed, along with a vibration motor, vibration frame and conical cylinder, to achieve filter paper cylinder replacement and collection bottle cleaning without stopping the machine. The conical cylinder is used to block the sludge from rising, and the vibration motor assists in separating microplastics and sludge.

Benefits of technology

This enables continuous operation of the microplastic flotation process, improves the separation quality of sludge and microplastics, and ensures the normal operation of flotation.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223832498U_ABST
    Figure CN223832498U_ABST
Patent Text Reader

Abstract

The utility model discloses a micro-plastic flotation device, which relates to the technical field of micro-plastic treatment and comprises a flotation cylinder, liquid inlet pipes are mounted at the bottom ends of two side walls of the flotation cylinder, two liquid outlet pipes are mounted at the top end of the flotation cylinder, and liquid outlets of the two liquid outlet pipes are arranged downwards. According to the micro-plastic flotation device, the two liquid outlet pipes and the two butt joint pipes are distributed on the two sides of the flotation cylinder, the filter paper cylinder can be replaced and the collecting bottle can be cleaned without shutdown during micro-plastic flotation, normal flotation of micro-plastic is guaranteed, and through the multiple conical cylinders installed in the flotation cylinder, the flotation efficiency of the micro-plastic flotation device is improved. The liquid in the flotation cylinder can block sludge particles when rising, the micro-plastic floats upwards through the top side opening of the conical cylinder, and the quality of separating the sludge and the micro-plastic can be improved in cooperation with the vibration motor, the vibration shaft and the vibration frame.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of microplastic processing technology, specifically to a microplastic flotation device. Background Technology

[0002] Microplastics refer to plastic particles with a diameter of less than 5 millimeters, including plastic fibers, films, granules, and even micron- or nano-sized plastic particles that can be detected by instruments. The accumulation of microplastics in nature can directly affect the growth and reproduction of aquatic and terrestrial animals, and affect the structure and function of biological communities. They can also become carriers of pollutants such as toxic metals and pesticides, causing even greater harm to ecosystems.

[0003] Microplastic flotation refers to the effective separation of microplastic particles from impurities through a flotation process by utilizing the differences in physical or chemical properties between microplastic particles and the flotation medium. Existing microplastic flotation devices involve the liquid flowing from bottom to top within a flotation tube. A collection bottle is placed at the bottom of the flotation tube to collect sludge, while a funnel and filter paper are placed at the top to filter and collect the microplastics. This method requires stopping the microplastic flotation operation before cleaning the flotation tube or replacing the filter paper. Furthermore, the bottom-in, top-out liquid flow still carries away some sludge. Therefore, this application proposes a microplastic flotation device to address these problems. Utility Model Content

[0004] (a) Technical problems to be solved

[0005] To address the shortcomings of existing technologies, this invention provides a microplastic flotation device that solves the technical problems mentioned in the background.

[0006] (II) Technical Solution

[0007] To achieve the above objectives, the technical solution adopted by this utility model is as follows: a microplastic flotation device, comprising a flotation cylinder, with inlet pipes installed at the bottom of both side walls of the flotation cylinder, and two outlet pipes installed at the top of the flotation cylinder, with the outlets of the two outlet pipes facing downwards, and funnels corresponding to the outlets of the two outlet pipes, with filter paper tubes installed inside the funnels, a vibration motor installed at the top of the flotation cylinder, and the vibration shaft of the vibration motor extending into the flotation cylinder, with multiple vibration frames installed on the vibration shaft, multiple conical cylinders installed inside the flotation cylinder, and two connecting pipes installed at the bottom of the flotation cylinder, each connecting pipe being connected to a collection bottle.

[0008] Preferably, an electrically controlled valve is installed at both the outlet of the liquid outlet pipe and the connecting pipe.

[0009] Preferably, the multiple conical cylinders are distributed vertically among each other, and the multiple vibration frames are staggered with the multiple conical cylinders.

[0010] Preferably, the collection bottle and the connecting pipe are connected by threads.

[0011] Preferably, the bottom of the flotation cylinder is two funnel-shaped parts, and the two funnel-shaped parts are connected to two connecting pipes in a one-to-one correspondence.

[0012] Preferably, the upper openings of the plurality of conical cylinders are constricted.

[0013] (III) Beneficial Effects

[0014] The beneficial effects of this utility model are as follows:

[0015] This microplastic flotation device, with two outlet pipes and two connecting pipes distributed on both sides of the flotation cylinder, allows for continuous replacement of filter paper cylinders and cleaning of collection bottles during microplastic flotation, ensuring normal flotation of microplastics. Furthermore, the multiple conical cylinders installed inside the flotation cylinder block sludge particles as the liquid rises, while microplastics float to the surface through the top opening of the conical cylinders. Combined with the vibration motor, vibration shaft, and vibration frame, the quality of separation between sludge and microplastics can be improved. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0017] Figure 2 This is a three-dimensional cross-sectional structural diagram of the present invention;

[0018] Figure 3 This is a three-dimensional cross-sectional structural diagram of the flotation cylinder of this utility model.

[0019] In the diagram: 1. Flotation cylinder, 2. Inlet pipe, 3. Outlet pipe, 4. Funnel, 5. Vibration motor, 6. Vibration shaft, 7. Vibration frame, 8. Conical cylinder, 9. Connecting pipe, 10. Collection bottle, 11. Filter paper cylinder, 12. Electrically controlled valve. Detailed Implementation

[0020] The technical solutions in the embodiments of this utility model will be clearly and completely described below. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0021] like Figure 1-3As shown, this utility model provides a technical solution: a microplastic flotation device, including a flotation cylinder 1, with inlet pipes 2 installed at the bottom of both side walls of the flotation cylinder 1, and two outlet pipes 3 installed at the top of the flotation cylinder 1, with the outlets of the two outlet pipes 3 facing downwards, and a funnel 4 corresponding to the outlet of each of the two outlet pipes 3, with a filter paper cylinder 11 installed inside the funnel 4, the two funnels 4 installed on both sides of the flotation cylinder 1, and a vibration motor 5 installed at the top of the flotation cylinder 1, with the vibration shaft 6 of the vibration motor 5 extending into the flotation cylinder 1, and multiple vibration frames 7 installed on the vibration shaft 6. Multiple conical cylinders 8 are installed inside the flotation cylinder 1. The upper openings of the conical cylinders 8 are constricted, so that when the liquid flows upward inside the flotation cylinder 1, the bottom side of the conical cylinders 8 can block the sludge particles, limiting their rise. The multiple conical cylinders 8 are distributed vertically, which can block the sludge layer by layer. Multiple vibrating frames 7 are staggered with the multiple conical cylinders 8, and two connecting pipes 9 are installed at the bottom of the flotation cylinder 1. The bottom of the flotation cylinder 1 is two funnel-shaped pipes, and the two funnels are connected one-to-one with the two connecting pipes 9 to facilitate the downward movement of the sludge. Each connecting pipe 9 is connected to a collection bottle. 10. Two inlet pipes 2 are connected to the pipeline conveying the liquid containing microplastics. The hoses on the bottom of the two funnels 4 are connected to the next processing equipment. After the liquid containing microplastics enters the flotation cylinder 1, the vibration shaft 6 of the vibration motor 5 drives the vibration frame 7 to vibrate, shaking the microplastics and sludge in the liquid. The conical cylinder 8 can help block the rise of sludge, minimizing the amount of sludge rising with the liquid. The sludge sinks and enters the collection bottle 10 for collection through the connecting pipe 9. The microplastics float and enter the funnel 4 through the outlet pipe 3. The microplastics are filtered through the filter paper cylinder 11 and then... The flexible tube at the bottom of the funnel 4 is used to transport the material to the next processing equipment. Both the outlet of the liquid outlet pipe 3 and the connecting pipe 9 are equipped with an electric control valve 12. When cleaning the sludge in the collection bottle 10, the electric control valve on the connecting pipe 9 can be closed. At this time, the other collection bottle 10 can receive the sludge normally. When replacing the filter paper cylinder 11 on one side, the electric control valve 12 on the liquid outlet pipe 3 on that side can be closed. The funnel 4 and the filter paper cylinder 11 on the other side can filter normally. This allows the microplastic flotation device to be replaced and cleaned without stopping the machine. The collection bottle 10 and the connecting pipe 9 are connected by threads, which makes it easy to disassemble and clean the collection bottle 10.

[0022] The operational steps for this application are as follows:

[0023] Two inlet pipes 2 are connected to pipelines conveying liquid containing microplastics. The hoses at the bottom of the two funnels 4 are connected to the next processing equipment. After the liquid containing microplastics enters the flotation cylinder 1, the vibration shaft 6 of the vibration motor 5 drives the vibration frame 7 to vibrate, shaking the microplastics and sludge in the liquid. The conical cylinder 8 can help block the rise of sludge, minimizing the amount of sludge rising with the liquid. The sludge sinks and enters the collection bottle 10 through the connecting pipe 9 for collection. The microplastics float and enter the funnel 4 through the outlet pipe 3. The microplastics are filtered through the filter paper cylinder 11 and then transported to the next processing equipment through the hose at the bottom of the funnel 4. When cleaning the sludge in the collection bottle 10, the electric control valve on the connecting pipe 9 can be closed. At this time, the other collection bottle 10 can receive sludge normally. When replacing the filter paper cylinder 11 on one side, the electric control valve 12 on the outlet pipe 3 on that side can be closed. The funnel 4 and filter paper cylinder 11 on the other side can filter normally, thus realizing the non-stop replacement and cleaning of the microplastic flotation device.

[0024] In the description of this utility model, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing this utility model and simplifying the description, and is not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0025] In this utility model, unless otherwise explicitly specified and limited, for example, it can be a fixed connection, a detachable connection, or an integral part; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components or an interaction between two components. Unless otherwise explicitly limited, those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0026] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A microplastic flotation device, comprising a flotation cylinder (1), characterized in that: The bottom of both sides of the flotation cylinder (1) is equipped with a liquid inlet pipe (2). The top of the flotation cylinder (1) is equipped with two liquid outlet pipes (3), and the outlets of the two liquid outlet pipes (3) are set downwards. The outlets of the two liquid outlet pipes (3) are respectively equipped with funnels (4), and filter paper cylinders (11) are set inside the funnels (4). The top of the flotation cylinder (1) is equipped with a vibration motor (5), and the vibration shaft (6) of the vibration motor (5) extends into the flotation cylinder (1). Multiple vibration frames (7) are installed on the vibration shaft (6). Multiple conical cylinders (8) are installed inside the flotation cylinder (1). The bottom of the flotation cylinder (1) is equipped with two connecting pipes (9), and each connecting pipe (9) is connected to a collection bottle (10).

2. The microplastic flotation device according to claim 1, characterized in that: An electric control valve (12) is installed at the outlet of the liquid outlet pipe (3) and on the connecting pipe (9).

3. The microplastic flotation device according to claim 1, characterized in that: The multiple conical cylinders (8) are distributed vertically among each other, and the multiple vibration frames (7) are staggered with the multiple conical cylinders (8).

4. The microplastic flotation device according to claim 1, characterized in that: The collection bottle (10) and the connecting pipe (9) are connected by threads.

5. The microplastic flotation device according to claim 1, characterized in that: The bottom of the flotation tube (1) is two funnel-shaped, and the two funnel-shaped tubes are connected one-to-one with the two connecting pipes (9).

6. The microplastic flotation device according to claim 1, characterized in that: The upper openings of the multiple conical cylinders (8) are constricted.