Ecological treatment device based on tail water of industrial sewage plant

Abstract

The utility model relates to the field of sewage treatment equipment, in particular to an ecological treatment device based on tail water of an industrial sewage plant, which comprises a sedimentation tank, a disinfection tank, a medicine box, an ecological filter bed and an ecological wetland, a filter screen is arranged in the sedimentation tank, a water inlet is arranged on the side of the sedimentation tank, a drain pipe penetrates through the sedimentation tank and is positioned below the filter screen, and the disinfection tank is arranged in the sedimentation tank. According to the industrial sewage plant tail water treatment device, comprehensive purification of industrial sewage plant tail water is guaranteed through a multi-stage treatment mode of sedimentation, chemical disinfection, biodegradation and ecological purification, the emission standard is met, pollution to the environment is reduced, and the industrial sewage plant tail water treatment device is suitable for industrial sewage plant tail water treatment. The settling pond is provided with the filter screen and the inclined arc-shaped filter plate, so that larger suspended matters and impurities in tail water can be effectively removed, and the inclined arc-shaped filter plate increases the contact area, so that water flow is more uniform, the settling effect is improved, and the influence of the suspended matters on subsequent treatment steps is reduced.

Description

Technical Field

[0001] This utility model relates to the field of wastewater treatment equipment, specifically an ecological treatment device based on the effluent from industrial wastewater treatment plants. Background Technology

[0002] With the acceleration of industrialization, the discharge of industrial wastewater has been increasing year by year, putting enormous pressure on the natural environment. Industrial wastewater contains a variety of harmful substances, such as heavy metals, organic matter, suspended solids, and other toxic chemicals. If discharged directly into the environment without treatment, it will have a serious impact on aquatic ecosystems. Therefore, finding efficient, economical, and environmentally friendly industrial wastewater treatment technologies has become an important research direction in the field of environmental protection.

[0003] Limitations of traditional wastewater treatment methods

[0004] Traditional industrial wastewater treatment methods mainly include physical, chemical, and biological methods. Each of these methods has its own advantages and disadvantages.

[0005] Physical methods: These methods mainly remove suspended solids and large particulate matter from water through sedimentation, filtration, and other means, but they are less effective at removing dissolved pollutants.

[0006] Chemical method: Treating pollutants in wastewater by adding chemical agents can effectively remove certain pollutants, but it may cause secondary pollution and has high operating costs.

[0007] Biological method: It uses microorganisms to degrade organic matter in wastewater and is suitable for treating organic pollutants, but it is not effective for treating wastewater with high concentrations or containing toxic substances. Utility Model Content

[0008] (a) Technical problems to be solved

[0009] To address the shortcomings of existing technologies, this utility model provides an ecological treatment device based on industrial wastewater effluent.

[0010] (II) Technical Solution

[0011] To achieve the above objectives, this utility model provides the following technical solution: An ecological treatment device for industrial wastewater effluent of this utility model includes a sedimentation tank, a disinfection tank, a chemical tank, an ecological filter bed, and an ecological wetland. The sedimentation tank is equipped with a filter screen, and an inlet is located on the side of the sedimentation tank. A drain pipe runs through the sedimentation tank, positioned below the filter screen, and is connected to the disinfection tank. The chemical tank is located on the side of the disinfection tank and contains chemical disinfectant. A pump is mounted on the chemical tank, and the pump is connected to the chemical tank and the disinfection tank via a pipe. A stirring device is rotatably installed inside the disinfection tank to stir the water. The disinfection tank is connected to the ecological filter bed via a water guide pipe, and the ecological filter bed is connected to the ecological wetland via a water guide pipe. An electric valve is mounted on the water guide pipe.

[0012] Preferably, the sedimentation tank is surrounded by a plurality of filter plates, the filter plates are inclined, the water inlet is adapted to the filter plates, and the filter plates are arc-shaped.

[0013] More preferably, the stirring device includes a stirring shaft and a drive motor. The stirring shaft is rotatably installed inside the disinfection tank, and the drive motor is fixedly installed on the side of the disinfection tank. The output end of the drive motor is provided with a transmission gear, and the top end of the stirring shaft is provided with a rotating gear. The transmission gear meshes with the rotating gear.

[0014] Preferably, two sets of the stirring device are symmetrically arranged on the side of the sterilization device.

[0015] Preferably, a plurality of stirring frames are arranged around the stirring shaft, and biodegradable mesh is provided on the stirring frames.

[0016] More preferably, the ecological filter bed includes plants, soil, and gravel, and the plants are planted on the soil and gravel.

[0017] Preferably, the ecological wetland comprises aquatic plants, soil, and gravel, with the aquatic plants planted on the soil and gravel.

[0018] (III) Beneficial Effects

[0019] Compared with the prior art, this utility model provides an ecological treatment device for industrial wastewater effluent, which has the following beneficial effects:

[0020] Highly efficient physical preprocessing:

[0021] Sedimentation tank: By incorporating filter screens and inclined arc-shaped filter plates, larger suspended solids and impurities in the effluent can be effectively removed. The inclined arc-shaped filter plates increase the contact area, resulting in more uniform water flow, improved sedimentation effect, and reduced impact of suspended solids on subsequent treatment steps.

[0022] Effective chemical disinfection:

[0023] Disinfection Tank: The tank contains chemical disinfectant, which is pumped into the disinfection tank. The stirring device includes a stirring shaft and a drive motor. Gear transmission rotates the stirring shaft, ensuring the disinfectant is evenly distributed in the water, improving disinfection effectiveness. Symmetrically arranged stirring units further enhance water mixing, ensuring sufficient diffusion and reaction of the disinfectant.

[0024] Enhanced biodegradability:

[0025] Biodegradable mesh on the stirring frame: The biodegradable mesh on the stirring shaft increases the contact area between water and disinfectant, while providing a surface for microorganisms to attach, enhancing the biodegradation effect and helping to further purify the water.

[0026] Natural ecological purification:

[0027] Ecological filter bed: An ecological filter bed consists of plants, soil, and gravel, with plants grown on the soil and gravel. Utilizing the adsorption properties of plant roots and the degradation effects of microorganisms, it further purifies the water, removing organic matter and nutrients, and reducing eutrophication.

[0028] Ecological wetlands: Ecological wetlands consist of aquatic plants, soil, and gravel, with aquatic plants grown on the soil and gravel. The purifying effect of aquatic plants further improves water quality, while the activity of microorganisms helps decompose organic pollutants, reducing harmful substances in the water.

[0029] Through a multi-stage treatment process involving sedimentation, chemical disinfection, biodegradation, and ecological purification, the effluent from the industrial wastewater treatment plant is fully purified, meeting discharge standards and reducing environmental pollution. Attached Figure Description

[0030] Figure 1 This is a schematic diagram of the sedimentation tank structure of this utility model;

[0031] Figure 2 This is a schematic diagram of the disinfection pool structure of this utility model;

[0032] Figure 3 This is a schematic diagram of the ecological filter bed structure of this utility model;

[0033] Figure 4 This is a schematic diagram of the ecological wetland structure of this utility model;

[0034] In the diagram: 1. Sedimentation tank; 2. Disinfection tank; 3. Ecological filter bed; 4. Ecological wetland; 5. Medicine tank; 6. Inlet; 7. Filter screen; 8. Filter plate; 9. Drainage pipe; 10. Drive motor; 11. Transmission gear; 12. Stirring shaft; 13. Rotating gear; 14. Stirring frame; 15. Biodegradable net; 16. Pump body; 17. Water guide pipe; 18. Valve. Detailed Implementation

[0035] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0036] Please see Figure 1-4 This utility model discloses an ecological treatment device for industrial wastewater effluent, comprising a sedimentation tank 1, a disinfection tank 2, a chemical tank 5, an ecological filter bed 3, and an ecological wetland 4. The sedimentation tank 1 is equipped with a filter screen 7, and an inlet 6 is located on its side. A drain pipe 9 runs through the sedimentation tank 1, positioned below the filter screen 7, and connects to the disinfection tank 2. The chemical tank 5 is located on the side of the disinfection tank 2 and contains chemical disinfectant. A pump body 16 is mounted on the chemical tank 5, and the pump body 16 is connected to the chemical tank 5 and the disinfection tank 2 via a pipe. A stirring device is rotatably installed inside the disinfection tank 2 to stir the water. The disinfection tank 2 is connected to the ecological filter bed 3 via a water guide pipe 17, and the ecological filter bed 3 is connected to the ecological wetland 4 via the water guide pipe 17. An electric valve 18 is mounted on the water guide pipe 17.

[0037] Summary of the working principle of this ecological treatment device based on industrial wastewater effluent

[0038] Ecological treatment device

[0039] Sedimentation tank 1:

[0040] The sedimentation tank 1 is equipped with a filter screen 7 to remove larger suspended solids and impurities.

[0041] The sedimentation tank 1 is equipped with an inlet 6 on its side for receiving the effluent discharged from the industrial wastewater plant.

[0042] A drain pipe 9 runs through the sedimentation tank 1. The drain pipe 9 is located below the filter screen 7 to ensure that the water after preliminary sedimentation can smoothly enter the next treatment stage.

[0043] The drain pipe 9 is connected to the disinfection tank 2 so that the water that has undergone sedimentation treatment can be sent into the disinfection tank 2 for disinfection treatment.

[0044] Disinfection pool 2:

[0045] A medicine box 5 is provided on the side of the disinfection pool 2, and the medicine box 5 contains chemical disinfectant.

[0046] The medicine tank 5 is equipped with a pump body 16, which pumps the disinfectant in the medicine tank 5 into the disinfection pool 2 through a pipeline.

[0047] The disinfection tank 2 is equipped with a stirring device to mix water and disinfectant, ensuring that the disinfectant is evenly distributed.

[0048] The stirring device includes a stirring shaft 12 and a drive motor 10. The stirring shaft 12 is rotated through gear transmission, thereby stirring the water in the disinfection tank 2.

[0049] The disinfection pool 2 is connected to the ecological filter bed 3 through the water pipe 17. An electric valve 18 is installed on the water pipe 17 to control the water flow.

[0050] Medicine box 5:

[0051] The medicine tank 5 contains chemical disinfectant, which is pumped into the disinfection pool 2 by the pump body 16 to kill pathogenic microorganisms in the water.

[0052] Ecological filter bed 3:

[0053] The ecological filter bed 3 includes plants, soil, and gravel. The plants are planted on the soil and gravel, and the water quality is further purified by the adsorption of plant roots and the degradation of microorganisms.

[0054] The ecological filter bed 3 is connected to the ecological wetland 4 through the water pipe 17. The water pipe 17 is equipped with an electric valve 18 to control the water flow.

[0055] Ecological Wetland 4:

[0056] Ecological wetland 4 includes aquatic plants, soil, and gravel. Aquatic plants are planted on the soil and gravel, and the water quality is further improved by utilizing the purification effect of aquatic plants.

[0057] Working principles of each optimal scheme

[0058] Preferred solution for sedimentation tank 1:

[0059] Several filter plates 8 are arranged around the side of the sedimentation tank 1. The filter plates 8 have an inclined structure and an arc design, which increases the contact area and improves the filtration efficiency.

[0060] The filter plate 8 is adapted to the inlet 6 to ensure that the water flowing into the sedimentation tank 1 can be evenly dispersed, thereby improving the sedimentation effect.

[0061] Preferred solution for the stirring device:

[0062] The stirring device includes a stirring shaft 12 and a drive motor 10. The drive motor 10 is fixedly installed on the side of the disinfection tank 2 and the rotation of the stirring shaft 12 is achieved through gear transmission.

[0063] Several stirring frames 14 are arranged around the stirring shaft 12. Biodegradable nets 15 are provided on the stirring frames 14 to increase the contact area between water and disinfectant and improve the disinfection effect.

[0064] Two sets of stirring devices are symmetrically arranged on the side of the disinfection tank 2 to ensure that the water in the disinfection tank 2 can be stirred evenly and improve the disinfection efficiency.

[0065] Ecological filter bed 3 preferred solution:

[0066] The ecological filter bed 3 includes plants, soil, and gravel. The plants are planted on the soil and gravel, and the water quality is further purified by the adsorption of plant roots and the degradation of microorganisms.

[0067] The ecological filter bed 3 is connected to the ecological wetland 4 through the water pipe 17. The water pipe 17 is equipped with an electric valve 18 to control the water flow.

[0068] Four preferred ecological wetland schemes:

[0069] Ecological wetland 4 includes aquatic plants, soil, and gravel. Aquatic plants are planted on the soil and gravel, and the water quality is further improved by utilizing the purification effect of aquatic plants.

[0070] Aquatic plants can absorb nutrients from the water, reducing eutrophication, while the activity of microorganisms also helps to decompose organic pollutants.

[0071] Summarize

[0072] Through the above design, this invention provides an ecological treatment device for industrial wastewater effluent. Through multi-stage treatment involving sedimentation, disinfection, ecological filter bed 3, and ecological wetland 4, effective purification of industrial wastewater is achieved. Sedimentation tank 1 removes larger suspended solids using filter screen 7 and inclined arc-shaped filter plate 8; disinfection tank 2 ensures disinfection effectiveness using chemical disinfectants and a stirring device; and ecological filter bed 3 and ecological wetland 4 further improve water quality by utilizing the natural purification effects of plants and microorganisms, ultimately meeting discharge standards.

[0073] 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. An ecological treatment device for industrial wastewater effluent, characterized in that, The system includes a sedimentation tank (1), a disinfection tank (2), a medicine tank (5), an ecological filter bed (3), and an ecological wetland (4). The sedimentation tank (1) is equipped with a filter screen (7), and an inlet (6) is located on the side of the sedimentation tank (1). A drain pipe (9) runs through the sedimentation tank (1) and is located below the filter screen (7). The drain pipe (9) is connected to the disinfection tank (2). The medicine tank (5) is located on the side of the disinfection tank (2) and contains chemical reagents. The disinfectant is provided with a pump body (16) on the medicine tank (5). The pump body (16) is connected to the medicine tank (5) and the disinfection pool (2) through a pipe. A stirring device is rotatably installed in the disinfection pool (2). The stirring device is used to stir the water in the disinfection pool (2). The disinfection pool (2) is connected to the ecological filter bed (3) through a water guide pipe (17). The ecological filter bed (3) is connected to the ecological wetland (4) through a water guide pipe (17). An electric valve (18) is provided on the water guide pipe (17).

2. The ecological treatment device based on industrial wastewater effluent according to claim 1, characterized in that, The sedimentation tank (1) is surrounded by several filter plates (8), and the filter plates (8) are inclined. The water inlet (6) is adapted to the filter plates (8), and the filter plates (8) are arc-shaped.

3. An ecological treatment device for industrial wastewater effluent according to claim 2, characterized in that, The stirring device includes a stirring shaft (12) and a drive motor (10). The stirring shaft (12) is rotatably installed in the disinfection tank (2). The drive motor (10) is fixedly installed on the side of the disinfection tank (2). The output end of the drive motor (10) is provided with a transmission gear (11). The top end of the stirring shaft (12) is provided with a rotating gear (13). The transmission gear (11) meshes with the rotating gear (13).

4. An ecological treatment device for industrial wastewater effluent according to claim 3, characterized in that, Two sets of stirring devices are symmetrically arranged on the sides of the sterilization device.

5. An ecological treatment device for industrial wastewater effluent according to claim 4, characterized in that, A plurality of stirring frames (14) are arranged around the stirring shaft (12), and a biodegradable net (15) is provided on the stirring frames (14).

6. An ecological treatment device for industrial wastewater effluent according to claim 5, characterized in that, The ecological filter bed (3) includes plants, soil and gravel, and the plants are planted on the soil and gravel.

7. An ecological treatment device for industrial wastewater effluent according to claim 6, characterized in that, The ecological wetland (4) includes aquatic plants, soil and gravel, with the aquatic plants planted on the soil and gravel.

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