Sewage treatment device and method for aquatic plants

Abstract

The invention discloses an aquatic plant sewage treatment device and method.The aquatic plant sewage treatment device comprises a primary filter box, a first aquatic plant filter box, a sewage purification box, a second aquatic plant filter box and an aeration box, a sewage inlet pipe is installed on one side of the primary filter box, and a primary filter screen assembly is installed in an inner cavity of the primary filter box; the water outlet end of the primary filter tank is connected with the water inlet end of the first aquatic plant filter tank through a first pipeline, the water outlet end of the first aquatic plant filter tank is connected with the water inlet end of the sewage purification tank through a second pipeline, and the water outlet end of the sewage purification tank is connected with the water inlet end of the second aquatic plant filter tank through a third pipeline; according to the present invention, the structure design is novel, the operation is convenient, the filtration and the purification treatment on the sewage can be achieved, the green plants are added to treat the sewage, the energy saving and the environmental protection are provided, and the sewage purification efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of sewage treatment, and in particular to a device and method for treating aquatic plant sewage. Background Art

[0002] Wastewater treatment: The process of purifying wastewater to meet the water quality requirements for discharge into a water body or reuse. Wastewater treatment is widely used in various fields such as construction, agriculture, transportation, energy, petrochemicals, environmental protection, urban landscape, medical care, and catering, and is increasingly entering the daily lives of ordinary people. According to the source of sewage, sewage treatment is generally divided into production sewage treatment and domestic sewage treatment. Production sewage includes industrial sewage, agricultural sewage, and medical sewage, while domestic sewage is sewage generated in daily life, which refers to a complex mixture of various forms of inorganic and organic matter, including: ① floating and suspended large and small solid particles; ② colloidal and gelatinous diffusions; ③ pure solution.

[0003] A large amount of sewage is generated in both people's daily life and industrial production. Some sewage has too high content of trace elements, which can easily cause water pollution and land pollution, affecting people's production environment. The normal sewage treatment system is too expensive and easy to cause pollution. Therefore, it is necessary to design a sewage treatment device for aquatic plants. Summary of the invention

[0004] The object of the present invention is to provide a device and method for treating aquatic plant wastewater to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a device for treating sewage from an aquatic plant, comprising a primary filter box, a first aquatic plant filter box, a sewage purification box, a second aquatic plant filter box and an aeration box, a sewage inlet pipe being installed on one side of the primary filter box, a primary filter assembly being installed in the inner cavity of the primary filter box, a water outlet end of the primary filter box being connected to a water inlet end of the first aquatic plant filter box via a first pipe, a water outlet end of the first aquatic plant filter box being connected to a water inlet end of the sewage purification box via a second pipe, a water outlet end of the sewage purification box being connected to a water inlet end of the second aquatic plant filter box via a third pipe, a water outlet end of the second aquatic plant filter box being connected to a water inlet end of an aeration box via a fourth pipe, and the water outlet end of the aeration box being connected to a drainage pipe.

[0006] Preferably, the present application provides a device for treating wastewater from aquatic plants, wherein the primary filter assembly comprises a mesh frame, a coarse filter, a medium filter and a fine filter, and the coarse filter, the medium filter and the fine filter are sequentially installed in the mesh frame.

[0007] Preferably, the present application provides a sewage treatment device for aquatic plants, wherein a first planting rack and a first aquatic plant are installed in the inner cavity of the first aquatic plant filter box, sludge is laid in the first planting rack, and the first aquatic plant is placed with its roots inserted into the sludge.

[0008] Preferably, the present application provides a sewage treatment device for aquatic plants, wherein a sewage purification filter element is installed in the sewage purification box, and the sewage purification filter element includes a filter frame, a first activated carbon filter, a non-woven fabric, a graphene filter, a second activated carbon filter and a diatom rock filter, and the first activated carbon filter, non-woven fabric, graphene filter, second activated carbon filter and diatom rock filter are fixed in the filter frame in sequence.

[0009] Preferably, the present application provides a sewage treatment device for aquatic plants, wherein a second planting rack and a second aquatic plant are installed in the inner cavity of the second aquatic plant filter box, and the bottom root system of the second aquatic plant is fixed on the second planting rack.

[0010] Preferably, the present application provides a sewage treatment device for aquatic plants, wherein the first aquatic plants are emergent plants and the second aquatic plants are floating leaf plants.

[0011] Preferably, the present application provides a wastewater treatment device for aquatic plants, wherein an aeration assembly is installed in the aeration box, and the aeration assembly includes an aeration pipe, an air inlet is provided at one end of the aeration pipe, and an air outlet is provided at the other end, and a first cylindrical cavity and a second cylindrical cavity are respectively provided in the inner cavity of the aeration pipe, the first cylindrical cavity is vertically arranged and arranged on one side of the air inlet, the second cylindrical cavity is horizontally arranged between the first cylindrical cavity and the air outlet, and the inner wall of the first cylindrical cavity is also sprayed with porous material.

[0012] Preferably, the present application provides a sewage treatment device for aquatic plants, wherein the bottom of the inner cavity of the first aquatic plant filter box and the second aquatic plant filter box are respectively installed with self-cleaning components, and the self-cleaning components include a cleaning brush and a push-pull cylinder group, the push-pull cylinder group is installed on the outer wall of the plant filter box, the cleaning brush is installed in the inner cavity of the plant filter box, the telescopic end of the push-pull cylinder group is connected to the cleaning brush, and the bottom of the first aquatic plant filter box and the second aquatic plant filter box are both installed with sewage outlets

[0013] Preferably, the present application provides a device for treating aquatic plant wastewater, wherein the method of using the device comprises the following steps:

[0014] A. Sewage enters the primary filter box through the sewage inlet pipe and is initially filtered through the primary filter assembly to remove large particles of impurities;

[0015] B. The sewage after preliminary filtration enters the first aquatic plant filter box, and the first aquatic plant contacts the sewage for purification and filtration;

[0016] C. After that, the sewage is discharged into the sewage purification tank, and the sewage is purified, adsorbed and deodorized by the sewage purification filter element;

[0017] D. The treated sewage is discharged into the second aquatic plant filter box, and the second aquatic plant further purifies and filters the sewage after contact with it;

[0018] E. The treated sewage is discharged into the aeration tank, where the organic matter in the sewage is oxidized and decomposed by the aeration components and finally discharged to the outside.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] (1) The present invention has a novel structural design and is easy to operate. It can filter and purify sewage. At the same time, two groups of green plants are added to treat sewage, which is energy-saving and environmentally friendly, and improves the sewage purification efficiency.

[0021] (2) In the present invention, the sewage purification filter element installed in the sewage purification box has the functions of purification, adsorption and deodorization, further improving the sewage treatment effect.

[0022] (3) In the present invention, the aeration assembly installed in the sewage aeration tank can achieve the purpose of oxygenation and strengthen the contact between organic matter in the sewage and microorganisms and dissolved oxygen, thereby ensuring that the microorganisms in the pool can oxidize and decompose organic matter in the sewage under the condition of sufficient dissolved oxygen, effectively decompose and oxidize nitrogen and phosphorus organic matter in the sewage, and can achieve long-term decomposition, further improving the sewage treatment effect.

[0023] (4) The self-cleaning component used in the present invention can clean the impurities at the bottom of the plant filter box, further improving the filtering effect of the filter box. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the structure of the present invention;

[0025] Figure 2 This is a schematic diagram of the structure of the primary filter assembly of the present invention;

[0026] Figure 3 This is a schematic diagram of the structure of the sewage purification filter element of the present invention;

[0027] Figure 4 This is a schematic diagram of the structure of the aeration assembly of the present invention;

[0028] Figure 5 This is a schematic diagram of the structure of the self-cleaning component of the present invention;

[0029] Figure 6 It is the work flow chart of the present invention;

[0030] In the figure: primary filter box 1, first aquatic plant filter box 2, sewage purification box 3, second aquatic plant filter box 4, aeration box 5, sewage inlet pipe 6, primary filter screen assembly 7, first pipeline 8, second pipeline 9, third pipeline 10, fourth pipeline 11, drainage pipeline 12, mesh frame 13, coarse filter screen 14, medium filter screen 15, fine filter screen 16, first planting rack 17, first aquatic plant 18, second planting rack 19, second aquatic plant 20, sewage purification filter element 26, filter frame 27, first activated carbon filter screen 28, non-woven fabric 29, graphene filter screen 30, second activated carbon filter screen 31, diatom rock filter screen 32, aeration assembly 33, aeration pipe 34, air inlet 35, air outlet 36, first cylindrical cavity 37, second cylindrical cavity 38, porous material 39, cleaning brush 40, push-pull cylinder group 41. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0032] It should be noted that when an element is referred to as being "fixed on" or "set on" another element, it can be directly on the other element or indirectly set on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0033] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present application 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, and therefore should not be understood as a limitation on the present application.

[0034] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, "multiple" and "several" mean two or more, unless otherwise clearly and specifically defined.

[0035] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the limiting conditions that can be implemented in this application, so they have no substantial technical significance. Any modification of the structure, change in the proportional relationship, or adjustment of the size should still fall within the scope of the technical content disclosed in this application without affecting the effects that can be produced by this application and the purposes that can be achieved. At the same time, the terms such as "upper", "lower", "left", "right", "middle" and "one" quoted in this specification are only for the convenience of narration, and are not used to limit the scope of the implementation of this application. The change or adjustment of their relative relationship should also be regarded as the scope of the implementation of this application without substantial change in the technical content.

[0036] See also Figure 1-6 The present invention provides a technical solution: a device for treating aquatic plant sewage, comprising a primary filter box 1, a first aquatic plant filter box 2, a sewage purification box 3, a second aquatic plant filter box 4 and an aeration box 5, a sewage inlet pipe 6 is installed on one side of the primary filter box 1, a primary filter assembly 7 is installed in the inner cavity of the primary filter box 1, the water outlet end of the primary filter box 1 is connected to the water inlet end of the first aquatic plant filter box 2 through a first pipe 8, the water outlet end of the first aquatic plant filter box 2 is connected to the water inlet end of the sewage purification box 3 through a second pipe 9, the water outlet end of the sewage purification box 3 is connected to the water inlet end of the second aquatic plant filter box 4 through a third pipe 10, the water outlet end of the second aquatic plant filter box 4 is connected to the water inlet end of the aeration box 5 through a fourth pipe 11, and the water outlet end of the aeration box 5 is connected to a drainage pipe 12. The sewage enters the primary filter box to filter out impurities and then enters the first aquatic plant filter box. The first aquatic plants come into contact with the sewage and purify and filter it. In the second aquatic plant filter box, the second aquatic plants come into contact with the sewage and further purify and filter it. The treated sewage is discharged into the aeration box, and the nitrogen, phosphorus and organic matter in the sewage are oxidized and decomposed by the aeration components before being discharged to the outside.

[0037] In the present invention, the primary filter assembly 7 comprises a mesh frame 13, a coarse filter 14, a medium filter 15 and a fine filter 16, wherein the coarse filter 14, the medium filter 15 and the fine filter 16 are sequentially installed in the mesh frame 13. The primary filter assembly used can filter large particles of impurities in sewage.

[0038] In the present invention, the first aquatic plant filter box 2 is provided with a first planting frame 17 and a first aquatic plant 18, sludge is laid in the first planting frame, and the first aquatic plant 18 is inserted into the sludge by its roots; the second aquatic plant filter box 4 is provided with a second planting frame 19 and a second aquatic plant 20, and the bottom root system of the second aquatic plant 20 is fixed on the second planting frame 19. The first aquatic plant is an emergent plant, and the second aquatic plant is a floating leaf plant.

[0039] In the present invention, a sewage purification filter element 26 is installed in the sewage purification box, and the sewage purification filter element 26 includes a filter frame 27, a first activated carbon filter 28, a non-woven fabric 29, a graphene filter 30, a second activated carbon filter 31 and a diatomite filter 32, and the first activated carbon filter 28, the non-woven fabric 29, the graphene filter 30, the second activated carbon filter 31 and the diatomite filter 32 are fixed in sequence in the filter frame 27. In the present invention, the sewage purification filter element installed in the sewage purification box has the functions of purification, adsorption and deodorization, and further improves the sewage treatment effect.

[0040] In addition, in the present invention, an aeration assembly 33 is installed in the aeration box, and the aeration assembly 33 includes an aeration pipe 34, and the aeration pipe 34 is provided with an air inlet 35 at one end and an air outlet 36 at the other end, and a first cylindrical cavity 37 and a second cylindrical cavity 38 are respectively provided in the inner cavity of the aeration pipe 34, the first cylindrical cavity 37 is vertically arranged and arranged on one side of the air inlet 35, and the second cylindrical cavity 38 is horizontally arranged between the first cylindrical cavity 37 and the air outlet 36, and the inner wall of the first cylindrical cavity 37 is also sprayed with a porous material 39. In the present invention, the aeration assembly installed in the sewage aeration box can achieve the purpose of oxygenation and the purpose of strengthening the contact between organic matter in the sewage and microorganisms and dissolved oxygen, so as to ensure that the microorganisms in the pool can oxidize and decompose the organic matter in the sewage under the condition of sufficient dissolved oxygen, effectively decompose and oxidize nitrogen and phosphorus organic matter in the sewage, and can achieve long-term decomposition, further improving the sewage treatment effect.

[0041] In the present invention, self-cleaning components are respectively installed at the bottom of the inner cavity of the first aquatic plant filter box 2 and the second aquatic plant filter box 4, and the self-cleaning components include a cleaning brush 40 and a push-pull cylinder group 41. The push-pull cylinder group 41 is installed on the outer wall of the plant filter box, and the cleaning brush 40 is installed in the inner cavity of the plant filter box. The telescopic end of the push-pull cylinder group 41 is connected to the cleaning brush 40. The first aquatic plant filter box 2 and the second aquatic plant filter box 4 are both installed with sewage outlets 42 at the bottom. The self-cleaning component used in the present invention can clean the impurities at the bottom of the plant filter box, thereby further improving the filtering effect of the filter box.

[0042] Working principle: The method of using the present invention comprises the following steps:

[0043] A. Sewage enters the primary filter box through the sewage inlet pipe and is initially filtered through the primary filter assembly to remove large particles of impurities;

[0044] B. The sewage after preliminary filtration enters the first aquatic plant filter box, and the first aquatic plant contacts the sewage for purification and filtration;

[0045] C. After that, the sewage is discharged into the sewage purification tank, and the sewage is purified, adsorbed and deodorized by the sewage purification filter element;

[0046] D. The treated sewage is discharged into the second aquatic plant filter box, and the second aquatic plant further purifies and filters the sewage after contact with it;

[0047] E. The treated sewage is discharged into the aeration tank, where the nitrogen, phosphorus and organic matter in the sewage are oxidized and decomposed through the aeration components, and finally discharged to the outside.

[0048] In summary, the present invention has novel structural design and is easy to operate, and can filter and purify sewage. At the same time, two groups of green plants are added to treat sewage, which is energy-saving and environmentally friendly, and improves sewage purification efficiency.

[0049] The circuits, electronic components and modules involved are all prior art and can be fully implemented by those skilled in the art. Needless to say, the content protected by the present invention does not involve improvements to software and methods.

[0050] It should also be noted that, in this specification, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "comprise", "include" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the statement "comprises a ..." does not exclude the presence of other identical elements in the process, method, article or device including the element.

Claims

1. A device for treating wastewater from aquatic plants, characterized in that: The invention comprises a primary filter box (1), a first aquatic plant filter box (2), a sewage purification box (3), a second aquatic plant filter box (4) and an aeration box (5); a sewage inlet pipe (6) is installed on one side of the primary filter box (1); a primary filter screen assembly (7) is installed in the inner cavity of the primary filter box (1); a water outlet of the primary filter box (1) is connected to a water inlet of the first aquatic plant filter box (2) via a first pipe (8); a water outlet of the first aquatic plant filter box (2) is connected to a water inlet of the sewage purification box (3) via a second pipe (9); a water outlet of the sewage purification box (3) is connected to a water inlet of the second aquatic plant filter box (4) via a third pipe (10); a water outlet of the second aquatic plant filter box (4) is connected to a water inlet of the aeration box (5) via a fourth pipe (11); and the water outlet of the aeration box (5) is connected to a drainage pipe (12).

2. The device for treating wastewater from aquatic plants according to claim 1, characterized in that: The primary filter assembly (7) comprises a screen frame (13), a coarse filter (14), a medium filter (15) and a fine filter (16); the coarse filter (14), the medium filter (15) and the fine filter (16) are sequentially installed in the screen frame (13).

3. The device for treating wastewater from aquatic plants according to claim 1, characterized in that: A first planting frame (17) and a first aquatic plant (18) are installed in the inner cavity of the first aquatic plant filter box (2); sludge is laid in the first planting frame, and the roots of the first aquatic plant (18) are inserted into the sludge.

4. The device for treating aquatic plant wastewater according to claim 1, characterized in that: A sewage purification filter element (26) is installed in the sewage purification box, and the sewage purification filter element (26) comprises a filter frame (27), a first activated carbon filter (28), a non-woven fabric (29), a graphene filter (30), a second activated carbon filter (31) and a diatomite filter (32), and the first activated carbon filter (28), the non-woven fabric (29), the graphene filter (30), the second activated carbon filter (31) and the diatomite filter (32) are fixed in sequence in the filter frame (27).

5. The device for treating wastewater from aquatic plants according to claim 1, characterized in that: A second planting frame (19) and a second aquatic plant (20) are installed in the inner cavity of the second aquatic plant filter box (4), and the bottom root system of the second aquatic plant (20) is fixed on the second planting frame (19).

6. The device for treating aquatic plant wastewater according to claim 3, characterized in that: The first aquatic plant is an emergent plant, and the second aquatic plant is a floating leaf plant.

7. The device for treating wastewater from aquatic plants according to claim 1, characterized in that: An aeration component (33) is installed in the aeration box, and the aeration component (33) includes an aeration pipe (34), one end of the aeration pipe (34) is provided with an air inlet (35), and the other end is provided with an air outlet (36), and a first cylindrical cavity (37) and a second cylindrical cavity (38) are respectively provided in the inner cavity of the aeration pipe (34), the first cylindrical cavity (37) is vertically arranged and arranged on one side of the air inlet (35), and the second cylindrical cavity (38) is horizontally arranged between the first cylindrical cavity (37) and the air outlet (36), and the inner wall of the first cylindrical cavity (37) is also sprayed with a porous material (39).

8. The device for treating aquatic plant wastewater according to claim 1, characterized in that: Self-cleaning components are respectively installed at the bottom of the inner cavity of the first aquatic plant filter box (2) and the second aquatic plant filter box (4), and the self-cleaning components include a cleaning brush (40) and a push-pull cylinder group (41). The push-pull cylinder group (41) is installed on the outer wall of the plant filter box, and the cleaning brush (40) is installed in the inner cavity of the plant filter box. The telescopic end of the push-pull cylinder group (41) is connected to the cleaning brush (40). The first aquatic plant filter box (2) and the second aquatic plant filter box (4) are both installed with sewage outlets (42) at the bottom.

9. A method for using the aquatic plant sewage treatment device according to claim 1, characterized in that: The method of use includes the following steps: A. Sewage enters the primary filter box through the sewage inlet pipe and is initially filtered through the primary filter assembly to remove large particles of impurities; B. The sewage after preliminary filtration enters the first aquatic plant filter box, and the first aquatic plant contacts the sewage for purification and filtration; C. After that, the sewage is discharged into the sewage purification tank, and the sewage is purified, adsorbed and deodorized by the sewage purification filter element; D. The treated sewage is discharged into the second aquatic plant filter box, and the second aquatic plant further purifies and filters the sewage after contact with it; E. The treated sewage is discharged into the aeration tank, where the nitrogen, phosphorus and organic matter in the sewage are oxidized and decomposed through the aeration components, and finally discharged to the outside.

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