A eutrophic water purification system and its use method

Abstract

The present invention discloses a eutrophic water purification system, including an algae adsorption pool, a matrix adsorption pool and a sedimentation pool, one side of the algae adsorption pool and the matrix adsorption pool are respectively connected with an algae adsorption pool outlet and a matrix adsorption pool outlet, and one end of the algae adsorption pool outlet and the matrix adsorption pool outlet are respectively connected with the matrix adsorption pool and the sedimentation pool, a plurality of partition walls are arranged inside the algae adsorption pool, and the plurality of partition walls are installed in an interval arrangement manner, and the surfaces of the plurality of partition walls are all suspended with filamentous algae meadows, the bottom surface of the matrix adsorption pool is provided with an adsorption matrix, the bottom of the sedimentation pool is provided with matrix sand, and submerged plants and biological boxes are arranged on the matrix sand. This eutrophic water purification system has a simple and reasonable structure, a novel design, can effectively reduce the eutrophication of the water body, has a good purification effect, and has the characteristics of environmental protection, energy saving and pollution-free, and is highly practical.

Description

Technical Field

[0001] The invention relates to the technical field of water purification, and in particular to a eutrophic water purification system and a use method thereof. Background Art

[0002] Eutrophication of water bodies is a global environmental problem. Among the various measures to control eutrophic water bodies, the method of using aquatic plants is gaining increasing attention due to its good purification effect, unique economic benefits, low energy consumption, simplicity and ease of implementation, and its advantages in rebuilding and restoring a good aquatic ecosystem.

[0003] Although my country has vigorously rectified eutrophic water bodies, there are still many water bodies with a certain degree of eutrophication, especially in aquaculture ponds, artificial lakes and ponds and some slow-flowing rivers. In addition, most of these water bodies have a large number of algae. At present, the treatment methods for these water bodies are mostly single and cannot solve the problems of eutrophication and algae outbreaks. Therefore, we have made improvements to this and proposed a eutrophic water purification system and its use method. Summary of the invention

[0004] In order to solve the above technical problems, the present invention provides the following technical solutions:

[0005] The present invention discloses a eutrophic water purification system, comprising an algae adsorption pool, a matrix adsorption pool and a sedimentation pool, wherein one side of the algae adsorption pool and the matrix adsorption pool are respectively connected with an algae adsorption pool outlet and a matrix adsorption pool outlet, and one end of the algae adsorption pool outlet and the matrix adsorption pool outlet are respectively connected with the matrix adsorption pool and the sedimentation pool, a plurality of groups of partition walls are arranged inside the algae adsorption pool, and the plurality of groups of partition walls are installed in an interval arrangement manner, and filamentous algae meadows are suspended and attached on the surfaces of the plurality of groups of partition walls, an adsorption matrix is ​​provided on the bottom surface of the matrix adsorption pool, matrix sand is provided on the bottom of the sedimentation pool, and submerged plants and biological boxes are provided on the matrix sand.

[0006] As a preferred technical solution of the present invention, a plurality of groups of downlights are installed on the inner wall of the algae adsorption pool.

[0007] As a preferred technical solution of the present invention, the adsorption matrix can be a combination of one or more of zeolite, limestone, coal cinder, slag, fly ash and ceramics.

[0008] As a preferred technical solution of the present invention, a plurality of groups of mist nozzles are installed inside the matrix adsorption tank on one side close to the connection with the water outlet of the algae adsorption tank.

[0009] As a preferred technical solution of the present invention, the biological box is a transparent box body, and a plurality of groups of openings are arranged on the side of the box body.

[0010] As a preferred technical solution of the present invention, a water inlet is provided on one side of the algae adsorption tank, a sedimentation tank outlet is provided on one side of the sedimentation tank, and controllable valves are installed on the sedimentation tank outlet, the algae adsorption tank outlet and the matrix adsorption tank outlet.

[0011] The present invention also provides a method for using the eutrophic water purification system, comprising the following steps:

[0012] S1. Connect the water body to be purified to the water inlet through a pipeline, and inject the water body to be purified into the algae adsorption pool, so that the nutrients in the water body are absorbed by the filamentous algae in the algae adsorption pool;

[0013] S2, opening the controllable valve on the water outlet of the algae adsorption tank, introducing the water body after absorption treatment into the matrix adsorption tank, and simultaneously opening the mist nozzle in the matrix adsorption tank, spraying the filamentous algae inhibitor to the introduced water body through the mist nozzle, so as to inhibit the filamentous algae spores brought out of the water body from the algae adsorption tank;

[0014] S3, opening the controllable valve at the outlet of the matrix adsorption tank, introducing the treated water into the sedimentation tank, and placing benthic cladoceran insects and cladoceran zooplankton in the sedimentation tank to feed on various settled algae, thereby reducing the algae density in the water and improving the transparency of the water;

[0015] S4. Detect the nutrient content of the water in the sedimentation tank. When the discharge standard is reached, open the controllable valve on the outlet of the sedimentation tank to discharge the water.

[0016] As a preferred technical solution of the present invention, in S3, algae capable of settling floating microalgae in the water body are added to the matrix sand of the sedimentation tank to further improve the transparency of the water body.

[0017] As a preferred technical solution of the present invention, when water pollution is serious, the controllable valve on the water outlet of the algae adsorption tank can be closed, and the water can be kept in the algae adsorption tank for a period of time and then discharged into the matrix adsorption tank after the purification effect is achieved.

[0018] The beneficial effects of the present invention are:

[0019] 1. This eutrophic water purification system can effectively remove eutrophic components in the water body through the filamentous algae meadows arranged on the surfaces of multiple groups of partition walls in the algae adsorption pool. At the same time, by installing multiple groups of partition walls in an interval arrangement manner, the residence time of the water body in the algae adsorption pool can be increased to a certain extent, thereby improving the removal effect of the filamentous algae meadows on the eutrophic components in the water body;

[0020] 2. This eutrophic water purification system can effectively control the algae spores brought out of the algae adsorption pool by the mist nozzle in the matrix adsorption pool, and prevent them from multiplying in large numbers in the future;

[0021] 3. This eutrophic water purification system can further improve the efficiency of water purification by planting high-density submerged plants in the sedimentation tank. At the same time, submerged plants can inhibit the outbreak of algae through allelopathic effects and other means; by placing benthic cladoceran insects and cladoceran zooplankton in the sedimentation tank, they can continuously eat various algae settled at the bottom and various phytoplankton, reduce the algae density in the water body, and improve the water transparency. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0023] Figure 1 It is a schematic diagram of the overall structure of a eutrophic water purification system of the present invention;

[0024] Figure 2 The diagram is a schematic diagram of the top view of the structure of an algae adsorption tank of a eutrophic water purification system of the present invention.

[0025] In the figure: 1. Algae adsorption pool; 2. Partition wall; 3. Filamentous algae meadow; 4. Water inlet; 5. Drain light; 6. Controllable valve; 7. Algae adsorption pool outlet; 8. Matrix adsorption pool; 9. Adsorption matrix; 10. Mist nozzle; 11. Sedimentation pool; 12. Submerged plants; 13. Matrix sand; 14. Biological box; 15. Sedimentation pool outlet; 16. Matrix adsorption pool outlet. DETAILED DESCRIPTION

[0026] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0027] Example: Figure 1-2As shown, a eutrophic water purification system of the present invention comprises an algae adsorption pool 1, a matrix adsorption pool 8 and a sedimentation pool 11, one side of the algae adsorption pool 1 and the matrix adsorption pool 8 are respectively connected with an algae adsorption pool outlet 7 and a matrix adsorption pool outlet 16, and one end of the algae adsorption pool outlet 7 and the matrix adsorption pool outlet 16 are respectively connected with the matrix adsorption pool 8 and the sedimentation pool 11, a plurality of groups of partition walls 2 are arranged inside the algae adsorption pool 1, and the plurality of groups of partition walls 2 are installed in an interval arrangement manner, and filamentous algae meadows 3 are suspended and attached on the surfaces of the plurality of groups of partition walls 2, an adsorption matrix 9 is provided on the bottom surface of the matrix adsorption pool 8, a matrix sand 13 is provided on the bottom of the sedimentation pool 11, and a submerged plant 12 and a biological box 14 are provided on the matrix sand 13.

[0028] A plurality of sets of downlights 5 are installed on the inner wall of the algae adsorption pool 1. The plurality of sets of downlights 5 can be turned on when necessary to ensure that the filamentous algae participate in purification for 24 hours and improve purification efficiency.

[0029] Among them, the adsorption matrix 9 can be a combination of one or more of zeolite, limestone, coal cinder, slag, fly ash and ceramics. The adsorption effect of the matrix on nutrients and suspended matter in the water body can be used to further purify the water body. The matrix type is composite, and most adsorption matrices can be used.

[0030] Among them, a plurality of groups of mist nozzles 10 are installed on one side of the matrix adsorption pool 8 near the connection with the water outlet 7 of the algae adsorption pool. The plurality of groups of mist nozzles 10 are used to spray filamentous algae inhibitors. Such inhibitors are purely ecologically manufactured, pollution-free, and will not cause any pollution to the water body, but can effectively control the filamentous algae spores brought out of the algae adsorption pool by the water body to prevent them from multiplying in large numbers in the subsequent period.

[0031] Among them, the biological box 14 is a transparent box body, and a plurality of openings are arranged on the side of the box body. The length, width and height of the biological box 14 are approximately 20*10*10cm. The inside is paved with river sand and contains some algae. These algae can settle the floating microalgae in the water body, thereby further improving the transparency of the water body. The openings can ensure the entry and exit of zooplankton and provide them with a habitat.

[0032] Among them, a water inlet 4 is provided on one side of the algae adsorption tank 1, and a sedimentation tank outlet 15 is provided on one side of the sedimentation tank 11. The sedimentation tank outlet 15, the algae adsorption tank outlet 7 and the matrix adsorption tank outlet 16 are all equipped with controllable valves 6. Through the controllable valves 6, when the water pollution is more serious, the controllable valves 6 can be closed, and the water body can stay in the algae adsorption tank for a period of time, and then discharged into the next part after the purification effect is achieved.

[0033] The present invention also provides a method for using the eutrophic water purification system, comprising the following steps:

[0034] S1, connecting the water body to be purified to the water inlet 4 through a pipe, and injecting the water body to be purified into the algae adsorption pool 1, so that the nutrients in the water body are absorbed by the filamentous algae meadow 3 in the algae adsorption pool 1;

[0035] S2, opening the controllable valve on the water outlet 7 of the algae adsorption tank, introducing the water body after absorption treatment into the matrix adsorption tank 8, and simultaneously opening the mist nozzle 10 in the matrix adsorption tank 8, spraying the filamentous algae inhibitor to the introduced water body through the mist nozzle 10, so as to inhibit the filamentous algae spores brought out of the water body from the algae adsorption tank 1;

[0036] S3, opening the controllable valve of the water outlet 16 of the matrix adsorption tank, introducing the treated water into the sedimentation tank 11, and placing benthic cladoceran insects and cladoceran zooplankton in the sedimentation tank 11 to feed on various settled algae, thereby reducing the algae density in the water and improving the transparency of the water;

[0037] S4, detecting the nutrient content of the water in the sedimentation tank 11, and when the discharge standard is reached, opening the controllable valve on the sedimentation tank outlet 15 to discharge the water.

[0038] Among them, in S3, algae that can settle floating microalgae in the water body are added to the matrix sand 13 of the sedimentation tank 11 to further improve the transparency of the water body.

[0039] When the water pollution is serious, the controllable valve on the water outlet 7 of the algae adsorption tank can be closed, and the water can be kept in the algae adsorption tank 1 for a period of time, and then discharged into the matrix adsorption tank 8 after the purification effect is achieved.

[0040] Finally, it should be noted that in the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0041] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0042] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention is described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A eutrophic water purification system, characterized in that: The invention comprises an algae adsorption pool (1), a matrix adsorption pool (8) and a sedimentation pool (11), wherein one side of the algae adsorption pool (1) and the matrix adsorption pool (8) are respectively connected to an algae adsorption pool outlet (7) and a matrix adsorption pool outlet (16), and one end of the algae adsorption pool outlet (7) and the matrix adsorption pool outlet (16) are respectively connected to the matrix adsorption pool (8) and the sedimentation pool (11). The algae adsorption pool (1) is provided with a plurality of partition walls (2) inside, and the plurality of partition walls (2) are installed in an interval arrangement manner, and filamentous algae meadows (3) are suspended and attached on the surfaces of the plurality of partition walls (2). The bottom surface of the matrix adsorption pool (8) is provided with an adsorption matrix (9), and the bottom of the sedimentation pool (11) is provided with matrix sand (13), and submerged plants (12) and biological boxes (14) are provided on the matrix sand (13); Multiple groups of water discharge lamps (5) are installed on the inner wall of the algae adsorption pool (1); The adsorption matrix (9) may be a combination of one or more of zeolite, limestone, coal slag, slag, fly ash and ceramics; A plurality of groups of mist nozzles (10) are installed inside the matrix adsorption pool (8) on one side close to the connection with the water outlet (7) of the algae adsorption pool; The biological box (14) is a transparent box body, and a plurality of groups of openings are arranged on the side of the box body; A water inlet (4) is provided on one side of the algae adsorption tank (1), a sedimentation tank outlet (15) is provided on one side of the sedimentation tank (11), and controllable valves (6) are installed on the sedimentation tank outlet (15), the algae adsorption tank outlet (7) and the matrix adsorption tank outlet (16).

2. A method for using a eutrophic water purification system, based on the eutrophic water purification system according to claim 1, characterized in that: The steps include: S1, connecting the water body to be purified to the water inlet (4) through a pipeline, and injecting the water body to be purified into the algae adsorption pool (1), so that the nutrients in the water body are absorbed by the filamentous algae meadow (3) in the algae adsorption pool (1); S2, opening the controllable valve on the water outlet (7) of the algae adsorption tank, introducing the water body after absorption treatment into the matrix adsorption tank (8), and simultaneously opening the mist nozzle (10) in the matrix adsorption tank (8), spraying the filamentous algae inhibitor to the introduced water body through the mist nozzle (10), so as to inhibit the filamentous algae spores brought out of the water body from the algae adsorption tank (1); S3, opening the controllable valve of the water outlet (16) of the matrix adsorption tank, introducing the treated water into the sedimentation tank (11), and placing benthic cladoceran insects and cladoceran zooplankton in the sedimentation tank (11) to feed on the various settled algae, thereby reducing the algae density in the water and improving the transparency of the water; S4. Detect the nutrient content of the water in the sedimentation tank (11). When the nutrient content reaches the discharge standard, open the controllable valve on the sedimentation tank outlet (15) to discharge the water.

3. The method for using a eutrophic water purification system according to claim 2, characterized in that: In S3, algae capable of settling floating microalgae in the water body are placed in the matrix sand (13) of the sedimentation tank (11) to further improve the transparency of the water body.

4. The method for using a eutrophic water purification system according to claim 3, characterized in that: When the water pollution is serious, the controllable valve on the water outlet (7) of the algae adsorption tank can be closed, and the water can be kept in the algae adsorption tank (1) for a period of time, and then discharged into the matrix adsorption tank (8) after the purification effect is achieved.

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